CN217844228U

CN217844228U - Return air inlet filtration system and degassing unit thereof

Info

Publication number: CN217844228U
Application number: CN202222130360.6U
Authority: CN
Inventors: 王爱玉; 张文学; 张宣伟
Original assignee: Shandong Weigao Medical Engineering Co Ltd
Current assignee: Shandong Weigao Medical Engineering Co Ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-11-18
Anticipated expiration: 2032-08-12

Abstract

The utility model discloses a return air inlet filtration system and degassing unit thereof, degassing unit includes: the high-voltage plasma electric field is provided with a contact; the electric field support mechanism comprises an electric field support body and a butt joint component arranged on the electric field support body, the high-voltage plasma electric field is arranged in the electric field support body, and the contact is electrically connected with the butt joint component; the electric field fixing mechanism is installed on the electric field support body and can rotate to lock or unlock the high-voltage plasma electric field. The utility model provides a degassing unit utilizes electric field fixed establishment will high pressure plasma electric field locking is in on the electric field gimbal mechanism, and through rotating electric field fixed establishment realizes the unblock, the device simple structure, the simple operation, and the cost of manufacture is low, easily realizes.

Description

Return air inlet filtration system and degassing unit thereof

Technical Field

The utility model relates to a examination strip check out test set field especially relates to a degassing unit. Furthermore, the utility model discloses still relate to an including above-mentioned degassing unit's return air inlet filtration system.

Background

Because the cross infection of hospital respiration caused by the biological aerosol is widely concerned as an important virus infection way, the air purification and disinfection are more and more paid more attention by people.

The common medical air disinfection methods mainly include: ultraviolet disinfection, ozone disinfection, dry fog fumigation, plasma disinfection and the like, wherein the ultraviolet disinfection, the ozone disinfection and the dry fog fumigation by corrosive gases such as formaldehyde and the like can stimulate eyes and skin and have an injury effect on a human body under certain conditions. Plasma disinfection is used as a sterilization method with extremely high broad-spectrum sterilization rate, does not cause any damage to human bodies and does not cause pollution to the environment, and is widely applied to the field of disinfection and air purification in recent years as a high-efficiency and clean sterilization mode.

Therefore, how to improve the reliability of the disinfection device is a technical problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a disinfection device, this disinfection device uses reliably, easy dismounting. The utility model also aims to provide a return air inlet filtration system comprising the disinfection device.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a disinfection device comprising:

the high-voltage plasma electric field is provided with a contact;

the electric field support mechanism comprises an electric field support body and a butt joint component arranged on the electric field support body, the high-voltage plasma electric field is arranged in the electric field support body, and the contact is electrically connected with the butt joint component;

the electric field fixing mechanism is installed on the electric field support body and can rotate to lock or unlock the high-voltage plasma electric field.

Preferably, the electric field bracket body is an annular frame, and a bearing plate for bearing the high-voltage plasma electric field is arranged on the inner periphery of one side of the annular frame.

Preferably, a first sealing component is arranged between the bearing plate and the high-voltage plasma electric field.

Preferably, the electric field bracket mechanism further comprises a contact assembly mounted on the electric field bracket body, the contact assembly is in contact connection with the contact, and the contact assembly is electrically connected with the butting component.

Preferably, the contact assembly comprises a contact piece and a contact piece fixing plate, the contact piece is fixedly arranged on one surface of the contact piece fixing plate, which is far away from the high-voltage plasma electric field, a contact hole is formed in the contact piece fixing plate, a contact part is arranged at one end of the contact piece, and the contact part penetrates through the contact hole and then is in contact connection with the contact; the other end of the contact piece is electrically connected with the butt joint component.

Preferably, at least one side frame of the electric field bracket body is of a double-layer structure, the contact assembly is connected with the butting part through a conductive part, and the conductive part is located inside the double-layer structure.

Preferably, the electric field fixing mechanism comprises a pressing block, a fastening part penetrating through the pressing block and connected with the electric field bracket body, and an elastic part for supporting the pressing block, wherein the pressing block can rotate relative to the fastening part; when the fastening component moves towards the electric field support body, the fastening component can drive the pressing block to press the high-voltage plasma electric field, and when the fastening component moves away from the electric field support body, the elastic component can push the pressing block to separate from the high-voltage plasma electric field.

Preferably, an inner hole for the fastening component to penetrate through is formed in the middle of the elastic component, and a limiting groove for limiting the first end of the elastic component is formed in the pressing block.

The utility model provides a return air inlet filtration system, includes the shell and certainly degassing unit, primary filter and wind gap grid that the inside of shell set gradually to the outside, the wind gap grid with the shell can be dismantled and be connected, degassing unit be above-mentioned arbitrary degassing unit.

Preferably, the inner periphery of the shell is provided with a transverse baffle for blocking the disinfection device and a vertical baffle for being matched and connected with the air vent grille; and second sealing parts are arranged between the transverse baffle and the sterilizing device and between the sterilizing device and the primary filter.

Preferably, the anti-dropping device further comprises an anti-dropping block rotatably mounted on the vertical baffle, and the anti-dropping block can lock or unlock the primary filter through rotation.

Preferably, a control switch for starting and stopping the disinfection device is arranged on the vertical baffle.

Preferably, the shell is provided with a second fixed elastic sheet, and the air inlet grille is provided with a first fixed elastic sheet; the tip of first fixed shell fragment is equipped with the tubaeform opening that buckles and form, the tip of the fixed shell fragment of second is equipped with the pointed end that buckles and form, pointed end can run through the front end of tubaeform opening and with the rear portion joint of tubaeform opening.

Preferably, still be equipped with the first installation department that bends and form on the first fixed bullet piece, first installation department sets firmly on the air port grid, still be equipped with the second installation department that bends and form on the second fixed bullet piece, the second installation department sets firmly on the shell.

The utility model also provides a return air inlet filtration system, including above-mentioned arbitrary degassing unit.

The utility model provides a disinfection device, include: the high-voltage plasma electric field is provided with a contact; the electric field bracket mechanism comprises an electric field bracket body and a butt joint component arranged on the electric field bracket body, the high-voltage plasma electric field is arranged in the electric field bracket body, and the contact is electrically connected with the butt joint component; the electric field fixing mechanism is installed on the electric field support body and can rotate to lock or unlock the high-voltage plasma electric field. The utility model provides a degassing unit utilizes electric field fixed establishment will high pressure plasma electric field locking is in on the electric field gimbal mechanism, and through rotating electric field fixed establishment realizes the unblock, the device simple structure, the simple operation, and the cost of manufacture is low, easily realizes.

The utility model provides a return air inlet filtration system is equipped with above-mentioned degassing unit, because degassing unit has above-mentioned technological effect, consequently, the return air inlet filtration system who is equipped with this degassing unit also should have corresponding technological effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of a disinfection apparatus provided by the present invention;

FIG. 2 is an exploded view of the sterilization unit of FIG. 1;

FIG. 3 is a schematic view of the disinfection device of FIG. 1 with the electric field bracket mechanism removed;

FIG. 4 is a schematic view of the structure of the electric field bracket mechanism of the disinfection device shown in FIG. 1;

FIG. 5 is a schematic view of the connection between the contact plate and the contact plate fixing plate in the field bracket mechanism shown in FIG. 4;

FIG. 6 is a cross-sectional view of the electric field fixing mechanism in the disinfection device of FIG. 1;

FIG. 7 is a schematic structural view of an electrolytic steel plate in the return air inlet filtering system provided by the present invention;

FIG. 8 is a schematic structural view of an embodiment of the return air inlet filtering system of the present invention;

fig. 9 is a schematic structural view of a first fixing elastic sheet and a second fixing elastic sheet in the return air inlet filtering system shown in fig. 8;

FIG. 10 is a schematic view of the location of the air outlet grill and the housing in the return air inlet filter system of FIG. 8;

FIG. 11 is a schematic view of the housing of the return air inlet filter system of FIG. 8;

FIG. 12 is a schematic structural view of an anti-separation block in the return air inlet filtration system shown in FIG. 8;

wherein: high-voltage plasma electric field-100; a contact-101; electric field support mechanism-200; an electric field bracket body-201; a handle-202; a contact piece-203; a contact piece fixing plate-204; a conductive member-205; a carrier plate-206; electric field fixing mechanism-300; a compact block-301; a fastening member-302; an elastic member-303; docking component-400; a first mating plug-401; a second mating plug-402; a first sealing member-500; primary filter-600; a tuyere grid-700; electrolytic steel plate-701; a first fixed elastic sheet-702; a first outer bevel-702-1; a first inner bevel-702-2; a first mounting portion-702-3; -a housing-800; a return air duct-801; a second fixed spring-802; a second outer bevel-802-1; a second inner bevel-802-2; a second mounting portion-802-3; an anti-drop block-803; control switch-804; a vertical baffle-805; a transverse baffle-806; a second sealing member-900.

Detailed Description

The core of the utility model is to provide a disinfection device, which has small manufacturing volume, firm installation and reliable use. The other core of the utility model is to provide a return air inlet filtering system comprising the sterilizing device.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, in this embodiment, as shown in fig. 1, the sterilizing apparatus includes:

the plasma device comprises a high-voltage plasma electric field 100, wherein a contact 101 is arranged on the high-voltage plasma electric field 100, and the high-voltage plasma electric field 100 can be electrified through the contact 101;

the electric field support mechanism 200 comprises an electric field support body 201 and a butt joint part 400 arranged on the electric field support body 201, wherein the butt joint part 400 is used for connecting an external power supply or other electric appliances, the high-voltage plasma electric field 100 is arranged in the electric field support body 201, the contact 101 is electrically connected with the butt joint part 400, and the contact 101 and the butt joint part 400 can be electrically connected through a wire;

the electric field fixing mechanism 300, the electric field fixing mechanism 300 is installed on the electric field bracket body 201, and the electric field fixing mechanism 300 can rotate to lock or unlock the high-voltage plasma electric field 100; specifically, the electric field fixing mechanism 300 can rotate to contact with the high-voltage plasma electric field 100, so that the high-voltage plasma electric field 100 is prevented from being separated from the electric field support body 201, and meanwhile, the electric field fixing mechanism 300 can rotate to be separated from the high-voltage plasma electric field 100, so that the high-voltage plasma electric field 100 can be conveniently detached from the electric field support body 201.

The utility model provides a degassing unit utilizes electric field fixed establishment 300 with 100 locking of high-pressure plasma electric field on electric field support body 201 to realize the unblock through rotating electric field fixed establishment 300, the device simple structure, the simple operation, the cost of manufacture is low, easily realizes.

In some embodiments, as shown in fig. 2 and 3, the electric field support body 201 is an annular frame, for example, a quadrilateral annular frame, one side of the annular frame is provided with a bearing plate 206 for bearing the high-voltage plasma electric field 100 on the inner periphery, that is, the bearing plate 206 is arranged on one side of the annular frame in the opening direction, and the bearing plate 206 preferably surrounds the inner periphery of the annular frame and plays a role of supporting the high-voltage plasma electric field 100. The field mounting mechanism 300 is mounted on the side of the field bracket body 201 away from the carrier plate 206.

In some embodiments, a first sealing member 500 is disposed between the carrier plate 206 and the high-pressure plasma electric field 100, i.e., the carrier plate 206 and the high-pressure plasma electric field 100 are hermetically disposed, and the shape of the first sealing member 500 is identical to the shape of the carrier plate 206. Specifically, the elastic foam is arranged between the frames of the high-voltage plasma electric field 100 and the electric field support body 201, and when the electric field fixing mechanism 300 compresses the high-voltage plasma electric field 100 on the electric field support body 201, the elastic foam is compressed to play a sealing role, so that air flow is prevented from passing through a gap between the high-voltage plasma electric field 100 and the electric field support body 201.

In some embodiments, as shown in fig. 4 and 5, the field bracket mechanism 200 further comprises a contact assembly mounted on the field bracket body 201, the contact assembly being in contact connection with the contact 101, and the contact assembly being electrically connected with the docking member 400, the contact assembly serving to connect the contact 101 with the docking member 400. Specifically, the docking component 400 includes a first docking plug 401 and a second docking plug 402, the first docking plug 401 is disposed on the field bracket body 201, and the second docking plug 402 is used for external power supply.

In some embodiments, the contact assembly includes a contact piece 203 and a contact piece fixing plate 204, the contact piece 203 is a conductive piece, the contact piece 203 is fixedly arranged on a surface of the contact piece fixing plate 204, which faces away from the high-voltage plasma electric field 100, a contact hole is arranged on the contact piece fixing plate 204, one end of the contact piece 203 is provided with a contact part, and the contact part penetrates through the contact hole and then is in contact connection with the contact 101; the other end of the contact piece 203 is electrically connected to the docking member 400. Specifically, the contact part is formed by bending the one end of the contact piece 203 in an arc shape, and the contact part with an arc structure can be better attached to the contact 101, so that the connection stability is ensured.

In some embodiments, at least one side frame of the electric field bracket body 201 is a double-layer structure, the contact assembly and the docking component 400 are connected through a conductive component 205, and the conductive component 205 is located inside the double-layer structure. Specifically, offer the recess that is used for assembling contact piece fixed plate 204 on bilayer structure's the frame, inside contact piece 203 and conductive part 205 all were located bilayer structure, the increase of strength, neater is favorable to the miniaturized design.

In some embodiments, the left and right sides of the electric field support body 201 are of a double-layer structure, the electric field fixing mechanism 300 is installed on the left and right sides of the electric field support body 201, and the contact assembly and the contact 101 may be installed on the same side or different sides, which is specifically selected according to the structure of the high voltage plasma electric field 100.

In some embodiments, as shown in fig. 6, the electric field fixing mechanism 300 includes a pressing block 301, a fastening part 302 penetrating the pressing block 301 and connected to the electric field bracket body 201, and an elastic part 303 for supporting the pressing block 301, wherein the pressing block 301 is rotatable relative to the fastening part 302; specifically, the fastening part 302 and the electric field bracket body 201 are preferably in threaded connection, the fastening part 302 is rotated to drive the pressing block 301 to move towards the electric field bracket body 201, when the fastening part 302 moves towards the electric field bracket body 201, the pressing block 301 can be driven to press the high-voltage plasma electric field 100, and when the fastening part 302 moves away from the electric field bracket body 201, the elastic part 303 can push the anti-falling block 803 to separate from the high-voltage plasma electric field 100.

In some embodiments, an inner hole through which the fastening part 302 penetrates is formed in the middle of the elastic part 303, and a limiting groove for limiting the first end of the elastic part 303 is formed in the pressing block 301. Further, the elastic member 303 is preferably a spring, the elastic member 303 is in a circular truncated cone shape, the inner diameter of the second end of the elastic member 303 is larger than the inner diameter of the first end of the elastic member 303, the electric field bracket body 201 is provided with a nut matched with the fastening member 302, and the inner diameter of the second end of the elastic member 303 is larger than the inner diameter of the first end of the elastic member 303, so that the second end of the elastic member 303 can conveniently cover the nut, and the nut and the elastic member 303 are prevented from interfering.

In some embodiments, the frame of the electric field bracket body 201 for mounting the electric field fixing mechanism 300 is a double-layer structure, and preferably, the left and right sides of the electric field bracket body 201 are double-layer structures, so that on one hand, the wires can pass through the inside conveniently, and on the other hand, the surface of the double-layer structure provides a mounting plane for the electric field fixing mechanism 300, which facilitates assembly.

In one embodiment, the sterilization apparatus comprises an electric field bracket mechanism 200, a high-pressure plasma electric field 100, an electric field fixing mechanism 300, a docking component 400, and a first sealing component 500. The high-voltage plasma electric field 100 is arranged in the electric field fixing mechanism 300, is separated from the electric field support mechanism 200 by a first sealing part 500, and is compressed by a plurality of electric field fixing mechanisms 300 which are symmetrically distributed, wherein the number of the electric field fixing mechanisms 300 is preferably four or more; after the high-voltage plasma electric field 100 is tightly pressed against the electric field support mechanism 200, the first sealing part 500 can well play a role in sealing, and air flow cannot penetrate through a gap between the high-voltage plasma electric field 100 and the electric field support mechanism 200. Further, the air passing through the disinfection device is treated by an electric field, and the high-voltage plasma electric field 100 decomposes and destroys microorganisms such as electric bacteria and the like, polarizes and adsorbs dust, and finally achieves the effects of purification and disinfection; the electric field fixing mechanism 300 comprises a spring, a pressing block 301 and a fastening part 302, wherein the fastening part 302 can be a butterfly screw, and the butterfly screw penetrates through the pressing block 301 and the spring and is matched with a screw hole of a nut on the electric field support mechanism 200; the diameter of the upper end of the spring is smaller, and the diameter of the lower end of the spring is larger, so that the contact area is increased; the pressing block 301 is thickened at the position where the pressing block is contacted with the spring so as to enhance the strength of the pressing block, and the pressing block 301 is pressed under the action of the spring so as to be difficult to rotate automatically; the pressing block 301 is rotated by a certain angle under the action of human, so that the high-voltage plasma electric field 100 can be installed and taken out;

the field bracket mechanism 200 includes: the electric field bracket comprises an electric field bracket body 201, a first docking plug 401, a contact piece 203 and a contact piece fixing plate 204, wherein the first docking plug 401 is installed at the front end of the electric field bracket body 201 and is matched with a second docking plug 402 for supplying power; the top end of the electric field bracket body 201 is provided with a buckle 202, which is convenient for taking and placing the high-voltage plasma electric field 100. The left and right sides of the electric field bracket body 201 are of a double-layer structure, and the lead passes through the middle. The contact plate 203 is in contact with the contact point 101 of the high voltage plasma electric field 100 to realize current conduction. The contact piece 203 and the contact piece fixing plate 204 are connected as shown in fig. 5. The contact fixing plate 204 is fixed to the electric field bracket body 201 by four screws at corners, two rectangular holes are formed in the middle of the contact fixing plate 204, the contact 203 is made of spring steel with one end being arc-shaped, the arc-shaped part penetrates through the rectangular hole in the middle of the contact fixing plate 204, and the other end and the lead are fixed to the contact fixing plate 204 together. When the high voltage plasma electric field 100 is placed in the electric field bracket mechanism 200, the contact piece 203 can reliably contact with the contact point 101 of the electric field.

The disinfection device has the advantages of simple structure, easy realization, good sealing performance, and good capability of filtering and sterilizing the passing air and preventing the spread of virus.

In addition to the above-mentioned sterilizing device, as shown in fig. 7 to 12, the present invention further provides a return air inlet filtering system including the above-mentioned sterilizing device, as shown in fig. 8, the return air inlet filtering system includes a casing 800, and the above-mentioned sterilizing device, a primary filter 600 and an air inlet grille 700 which are sequentially arranged from the inside to the outside of the casing 800, the air inlet grille 700 is detachably connected with the casing 800;

specifically, as shown in fig. 7, a square hole for installing a return air inlet filtering system is formed on the wall surface of the electrolytic steel plate 701 in the operating room; the shell 800 of the return air inlet filtering system is directly and fixedly connected to the wall surface of an electrolytic steel plate 701; air in the operating room enters the return air inlet filtering system through the air inlet grille 700, and finally enters the return air pipe 801 after being filtered and purified; one part of the air entering the return air pipe 801 is treated and then discharged outdoors, the other part of the air is mixed with fresh air entering an air conditioner outdoors, then the mixture is subjected to temperature regulation and humidification and then enters the operating room again from the static pressure box, and the air flow in the operating room is circulated in a reciprocating manner, so that high cleanliness is achieved while a certain fresh air volume in the room is ensured.

In some embodiments, as shown in fig. 10, the primary filter further includes an anti-slip block 803 rotatably mounted on the vertical baffle 805, the anti-slip block 803 can lock or unlock the primary filter 600 by rotating, and the anti-slip block 803 is located on the mounting surface of the vertical baffle 805.

In some embodiments, as shown in fig. 11, the inner periphery of the casing 800 is provided with a lateral baffle 806 for blocking the sterilizing device and a vertical baffle 805 for fitting connection with the tuyere grating 700; a second sealing member 900 is provided between the transverse barrier 806 and the disinfection device and between the disinfection device and the primary filter 600, the second sealing member 900 preferably being foam. Preferably, the lateral barriers 806 are positioned at the upper and lower sides of the inside of the casing 800, the vertical barriers 805 are positioned at the left and right sides of the inside of the casing 800, the vertical barriers 805 have a zigzag shape, the opening side is installed on the inner wall of the casing 800, and the side of the vertical barrier 805 adjacent to the tuyere grating 700 forms a mounting surface.

In some embodiments, as shown in fig. 12, the anti-slip block 803 includes a mounting hole and a protrusion, the mounting hole is rotatably connected to the vertical baffle 805, the protrusion is located on a side of the anti-slip block 803 facing away from the vertical baffle 805, and the protrusion is configured to facilitate an operator to hold the anti-slip block 803 to rotate the anti-slip block 803.

In some embodiments, the vertical baffle 805 is provided with a control switch 804 for starting and stopping the disinfection device, and the control switch 804 is arranged on the vertical baffle 805, so that the tuyere grating 700 can be opened and operated, and the mistaken touch is effectively prevented. Of course, the control switch 804 may be disposed outside the housing, or may be remotely controlled.

In some embodiments, as shown in fig. 9, a second fixing elastic sheet 802 is disposed on the casing 800, and a first fixing elastic sheet 702 is disposed on the tuyere grating 700; the end of the first fixing elastic sheet 702 is provided with a horn-shaped opening, and the end of the second fixing elastic sheet 802 is provided with a tip which is bent and can penetrate through the front end of the horn-shaped opening and be clamped with the rear part of the horn-shaped opening.

Specifically, as shown in the figure, the first fixing elastic sheet 702 includes two first clamping legs, each of the two first clamping legs includes a first outer inclined surface 702-1 and a first inner inclined surface 702-2, a joint between the first outer inclined surface 702-1 and the first inner inclined surface 702-2 forms a protrusion facing inward, the second fixing elastic sheet 802 includes two second clamping legs, each of the two second clamping legs includes a second outer inclined surface 802-1 and a second inner inclined surface 802-2, a joint between the second outer inclined surface 802-1 and the second inner inclined surface 802-2 forms a protrusion facing outward, when the first fixing elastic sheet 702 and the second fixing elastic sheet 802 are close to each other, the second outer inclined surface 802-1 is matched with the first outer inclined surface 702-1 and separated from the two first clamping legs until the second outer inclined surface 802-1 moves to a position of the first inner inclined surface 702-2, the distance between the two first clamping legs is the largest, then the second inner inclined surface 802-2 moves to be attached to the first inner inclined surface 702-2, and the two first clamping legs are clamped to reset the second clamping legs.

In some embodiments, the first fixing elastic sheet 702 is further provided with a first mounting portion 702-3 formed by bending, the first mounting portion 702-3 is fixedly arranged on the air outlet grille 700, the second fixing elastic sheet 802 is further provided with a second mounting portion 802-3 formed by bending, and the second mounting portion 802-3 is fixedly arranged on the housing 800. The first fixing elastic sheet 702 and the second fixing elastic sheet 802 are simple in structure, formed by bending and convenient to assemble.

In one embodiment, the return air inlet filter system comprises: the air inlet grille 700, the primary filter 600, the disinfection device, the outer shell 800, the air return pipe 801, the second sealing part 900, the anti-falling block 803, the control switch 804, the first fixing elastic sheet 702 and the second fixing elastic sheet 802. The tuyere grating 700 is provided with a series of elongated holes for facilitating the passage of air flow. The first fixing elastic pieces 702 are installed at four inner corners of the tuyere grating 700, or a plurality of first fixing elastic pieces 702 may be additionally installed at other corresponding positions, and the second fixing elastic pieces 802 are fixedly installed at the inner side of the casing 800 opposite to the first fixing elastic pieces 702. The first fixing elastic sheet 702 and the second fixing elastic sheet 802 are structurally as shown in fig. 9, and the first fixing elastic sheet 702 clamps the second fixing elastic sheet 802 through elastic deformation, so that the air outlet grille 700 is fixed on the casing 800. The middle of the primary filter 600 is composed of multiple layers of filter paper with micro pore size, which can filter dust, hair and other large particles in the air and prevent the pollutants from entering an air conditioning system along with the air, so that the pollutants enter an operation area for the second time to cause infection and virus transmission. The air entering the return air inlet filtering system firstly passes through the primary filter 600, harmful substances such as hair, large particle dust and the like in the air are firstly filtered, the filtered air enters the high-pressure disinfection device, the high-pressure plasma electric field 100 ionizes the passing air, and the generated positively charged particles and negatively charged particles carry out charge neutralization in the air and instantly release huge energy, so that the change of the surrounding bacterial structure or the energy conversion is caused, the bacteria die, and the sterilization and disinfection effects are realized; further, vertical baffles 805 are fixed to the left and right sides of the housing 800, and L-shaped transverse baffles 806 are fixed in the up-down direction; the transverse baffle 806 and the vertical baffle 805 form a rectangular mounting frame, and the size between the transverse baffle 806 and the vertical baffle 805 is slightly larger than the cross-sectional size of the disinfection device and the primary filter 600; the disinfection device and the primary filter 600 are respectively arranged in the rectangular mounting frame; the vertical baffle 805 is provided with anti-drop blocks 803 at the upper and lower sides respectively, the anti-drop blocks 803 are made of plastic insulating materials as shown in fig. 12, one end of each anti-drop block 803 is provided with a circular mounting hole, the top surface of each anti-drop block 803 is provided with a protrusion convenient to operate, and the primary filter 600 and a rear disinfection device can be conveniently pressed and fixed by rotating the anti-drop blocks 803; a second sealing member 900 is provided between the back of the disinfection device and the transverse barrier 806, and a second sealing member 900 is provided between the same disinfection device and the primary filter 600; the foam can play a good insulating role and a sealing role at the same time, so that air which is not filtered, sterilized and purified can be prevented from passing through; a control switch 804 for controlling the start and stop of the disinfection device is arranged on a vertical baffle 805 on the right side of the shell 800; during operation, the plasma disinfection module can be conveniently controlled only by detaching the return air inlet grille 700.

The air return port filtering system has a plasma disinfection function, and can well filter and sterilize passing air and prevent virus from spreading. For the structure of other parts of the return air inlet filtering system, please refer to the prior art, and the description is omitted herein.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The above details the disinfection device provided by the present invention. The principles and embodiments of the present invention have been explained herein using specific examples, and the above description of the embodiments is only used to help understand the method and its core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A disinfection device, comprising:

the plasma torch comprises a high-voltage plasma electric field (100), wherein a contact (101) is arranged on the high-voltage plasma electric field (100);

the electric field support mechanism (200), the electric field support mechanism (200) comprises an electric field support body (201) and a butt joint component (400) arranged on the electric field support body (201), the high-voltage plasma electric field (100) is installed in the electric field support body (201), and the contact (101) is electrically connected with the butt joint component (400);

the electric field fixing mechanism (300) is installed on the electric field support body (201), and the electric field fixing mechanism (300) can rotate to lock or unlock the high-voltage plasma electric field (100).

2. A disinfection device as claimed in claim 1, wherein the field bracket body (201) is a ring frame, the inner circumference of one side of which is provided with a carrier plate (206) for carrying the high-pressure plasma field (100).

3. A disinfection apparatus as claimed in claim 2, characterized in that a first sealing member (500) is arranged between the carrier plate (206) and the high-pressure plasma field (100).

4. A disinfection device as claimed in claim 1, wherein said field bracket means (200) further comprises a contact assembly mounted on said field bracket body (201), said contact assembly being in contact connection with said contacts (101) and said contact assembly being electrically connected to said docking member (400).

5. The disinfection device of claim 4, wherein the contact assembly comprises a contact piece (203) and a contact piece fixing plate (204), the contact piece (203) is fixedly arranged on one surface of the contact piece fixing plate (204) which is far away from the high-pressure plasma electric field (100), a contact hole is arranged on the contact piece fixing plate (204), a contact part is arranged at one end of the contact piece (203), and the contact part penetrates through the contact hole and then is in contact connection with the contact (101); the other end of the contact piece (203) is electrically connected with the butting component (400).

6. A disinfection device as claimed in claim 4, characterised in that at least one side frame of said field bracket body (201) is a double structure, said contact assembly and said docking member (400) being connected by a conductive member (205), said conductive member (205) being located inside said double structure.

7. A disinfection device as claimed in any one of claims 1-6, wherein said electric field fixation means (300) comprises a compression block (301), a fastening member (302) extending through said compression block (301) and connected to said electric field support body (201), and an elastic member (303) for supporting said compression block (301), said compression block (301) being rotatable relative to said fastening member (302); when the fastening component (302) moves towards the electric field support body (201), the pressing block (301) can be driven to press the high-voltage plasma electric field (100), and when the fastening component (302) moves away from the electric field support body (201), the elastic component (303) can push the pressing block (301) to be separated from the high-voltage plasma electric field (100).

8. A disinfection device as claimed in claim 7, wherein said elastic member (303) is provided with an inner hole in the middle for said fastening member (302) to pass through, and said compression block (301) is provided with a limiting groove for limiting said first end of said elastic member (303).

9. A return air inlet filtering system, which is characterized by comprising a shell (800), and a disinfecting device, a primary filter (600) and an air inlet grille (700) which are sequentially arranged from the inside to the outside of the shell (800), wherein the air inlet grille (700) is detachably connected with the shell (800), and the disinfecting device is the disinfecting device as claimed in any one of claims 1 to 8.

10. The return air inlet filtering system according to claim 9, characterized in that the inner periphery of the casing (800) is provided with a transverse baffle (806) for blocking the sterilizing device and a vertical baffle (805) for cooperating with the air inlet grille (700); second sealing parts (900) are arranged between the transverse baffle (806) and the disinfection device and between the disinfection device and the primary filter (600).

11. The return air inlet filter system of claim 10, further comprising a locking block (803) rotatably mounted on the vertical baffle (805), wherein the locking block (803) can lock or unlock the primary filter (600) by rotation.

12. The return air inlet filter system according to claim 10, wherein a control switch (804) for starting and stopping the sterilizing device is arranged on the vertical baffle (805).

13. The return air inlet filtering system according to any one of claims 9 to 12, wherein a second fixing spring piece (802) is provided on the casing (800), and a first fixing spring piece (702) is provided on the air inlet grille (700); the tip of first fixed shell fragment (702) is equipped with the tubaeform opening that buckles and form, the tip of second fixed shell fragment (802) is equipped with the pointed end that buckles and form, pointed end can run through the front end of tubaeform opening and with the rear portion joint of tubaeform opening.

14. The return air inlet filtering system according to claim 13, wherein the first fixing elastic sheet (702) is further provided with a first mounting portion (702-3) formed by bending, the first mounting portion (702-3) is fixedly arranged on the air inlet grille (700), the second fixing elastic sheet (802) is further provided with a second mounting portion (802-3) formed by bending, and the second mounting portion (802-3) is fixedly arranged on the casing (800).