A plate structure, a sterilizing device and an air purifier

By adopting a plate structure in the air purifier and using a plate structure with high-density plasma, the problem of low ion efficiency in existing electrical purification devices is solved, and efficient sterilization and disinfection effect is achieved.

CN112344502BActive Publication Date: 2025-04-15GREE ELECTRIC APPLIANCE INC OF ZHUHAI
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Patent Information

Application Number
CN202011302590.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-11-19
Publication Date
2025-04-15
Estimated Expiration
2040-11-19

AI Technical Summary

Technical Problem

In the existing electric purification form of air purifiers, the discharge electrode plate has a low ion efficiency, resulting in a low sterilization and disinfection efficiency.

Method used

A plate structure is adopted, wherein the first electrode is plate-shaped or cylindrical structure, and the second electrode is mesh-shaped or winding structure, and a dielectric layer made of electret material is provided between the two to generate a high-density plasma.

Benefits of technology

By increasing the density and energy of the plasma, increasing the contact surface with the air, efficient sterilization and disinfection effect are achieved, and air purification efficiency is improved.

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Abstract

The present invention relates to the technical field of sterilization devices, and specifically to a plate structure, a sterilization device, and an air purifier. The sterilization device comprises: a first electrode, which is constructed as a plate structure or a columnar structure; a second electrode, which is constructed as a mesh structure and is arranged in parallel with the first electrode, or is arranged around the first electrode; a dielectric layer, which is arranged between the first electrode and the second electrode. The sterilization device provided by the present invention is arranged by stacking the first electrode, the dielectric layer, and the second electrode in sequence, so that when the power is on, the plate structure is convenient for generating high-density plasma; the second electrode is constructed as a mesh structure or is arranged around the first electrode, so that the second electrode has a certain gap and does not form a closed form, so that the second electrode has a spare light-emitting gap, increases the contact surface with the air, and is convenient for generating high-density plasma and producing the effect of glow discharge.
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Description

Technical Field

[0001] The present invention relates to the technical field of sterilization devices, and in particular to a plate structure, a sterilization device and an air purifier. Background Art

[0002] As environmental problems become increasingly serious, air purifiers have become a must-have household appliance for many families. Most of the air purifiers currently on the market are of the filtering type or electric purification type. The filtering type air purifier can intercept viruses, but cannot kill them, and is prone to secondary pollution. The effect is relatively general, and the cost of replacing the filter is high. Electric purification products have the advantages of small wind resistance, no consumables, and ideal sterilization and disinfection effects. They currently occupy an increasingly important position in the market. However, most of the electric purification products on the market achieve the disinfection and sterilization function by applying high voltage to the discharge electrode to generate corona plasma and high-voltage electric field. Due to its structural limitations, the conventional electric purification structure cannot generate high-energy plasma to act, and the disinfection and sterilization efficiency is low. Summary of the invention

[0003] Therefore, the technical problem to be solved by the present invention is to overcome the defect of low efficiency of ion generation of the discharge electrode plate of the electric purification device in the prior art, thereby providing a plate structure for generating high-density ions.

[0004] Another technical problem to be solved by the present invention is to overcome the defect of low efficiency of the electric purification sterilization device in the prior art, thereby providing a sterilization device with higher sterilization efficiency.

[0005] Another technical problem to be solved by the present invention is to overcome the defect of low efficiency of the sterilization device of the air purifier in the prior art, thereby providing an air purifier with high sterilization efficiency.

[0006] In order to solve the above technical problems, the present invention provides a plate structure, comprising:

[0007] The first electrode is constructed as a plate-like structure or a columnar structure;

[0008] A second electrode is constructed as a mesh structure and is arranged in parallel with the first electrode or is arranged to be wound around the first electrode;

[0009] The dielectric layer is arranged between the first electrode and the second electrode, and the dielectric layer is made of electret material.

[0010] Optionally, the first electrode and / or the second electrode are made of a conductive material.

[0011] Optionally, the electret material includes PI (polyimide), PAI (polyamide-imide), or PTFE (polytetrafluoroethylene).

[0012] Optionally, the first electrode is suitable for connecting to a ground terminal, and the second electrode is suitable for connecting to a positive electrode of a power supply terminal.

[0013] Optionally, the second electrode is attached to the dielectric layer.

[0014] The present invention provides a sterilization device, comprising: a discharge generating electrode unit made of the above-mentioned electrode plate structure, and

[0015] A collecting electrode unit is arranged opposite to the discharge generating electrode unit.

[0016] Optionally, the discharge generating pole unit comprises at least one discharge electrode plate, the discharge electrode plate is constructed as a plate-like structure and is made of the plate structure;

[0017] The collector unit includes at least one collector plate, and the collector plate is configured as a plate-shaped structure.

[0018] Optionally, the discharge electrode plate and / or the collector electrode plate are respectively connected to a first conductive shaft wheel rod and a second conductive shaft wheel rod at both ends along the length direction.

[0019] Optionally, the sterilization device further comprises: an axle wheel;

[0020] an insulating shaft wheel rod, two ends of which are connected to the first conductive shaft wheel rod and the second conductive shaft wheel rod via the shaft wheels respectively; and

[0021] The actuator is suitable for driving the insulating shaft wheel rod, thereby directly or indirectly driving the discharge electrode plate and the collector electrode plate to rotate.

[0022] Optionally, the first electrode of the discharge electrode plate and the collector electrode plate are connected to a ground terminal via a connector;

[0023] The second electrode of the discharge electrode plate is connected to the positive electrode of the power supply end.

[0024] Optionally, the ground terminal is electrically connected to the second conductive shaft wheel rod;

[0025] The positive electrode of the power supply end is electrically connected to the first conductive shaft wheel rod on the discharge electrode plate.

[0026] The air purifier provided by the present invention includes the sterilization device as described above.

[0027] The technical solution of the present invention has the following advantages:

[0028] 1. The electrode structure provided by the present invention is to stack the first electrode, the dielectric layer, and the second electrode in sequence, so that when powered on, the electrode structure can generate high-density plasma; the second electrode is constructed as a mesh structure or is wound on the first electrode, so that the second electrode has a certain gap and does not form a closed form, so that the second electrode has a spare light-emitting gap, increases the contact surface with the air, and is convenient for generating high-density plasma and producing a glow discharge effect.

[0029] 2. The sterilization device provided by the present invention, the discharge generating electrode unit is made of the electrode plate structure, which can make the polluted air contact with the plasma generating electrode more, fully act on and remove pollutants; through the relatively arranged discharge generating electrode unit and the collecting electrode unit, when powered on, it can generate high-density and high-energy plasma under atmospheric pressure, act on gaseous pollutants and microorganisms, viruses, etc., so that the particulate matter in the air flowing through the sterilization device is charged, and the particulate matter and pathogenic bacteria residues are collected by the collecting electrode unit, thereby greatly improving the sterilization efficiency, achieving the effect of efficient sterilization, and purifying the air.

[0030] 3. The sterilization device provided by the present invention, by setting a rotating structure of the discharge electrode plate and the collecting electrode plate, drives the rotation of the discharge electrode plate and the collecting electrode plate, and then changes the direction of the airflow, increases the contact area and contact time between the polluted gas and the plasma, thereby greatly improving the adsorption effect on particulate matter; when the air blows toward the discharge electrode plate, since the blowing direction of the air is at an angle to the discharge electrode plate, the charge of the particulate matter is increased under the turbulence effect of the discharge electrode plate, thereby improving the dust collection rate.

[0031] 4. The air purifier provided by the present invention adopts a sterilization device, and specifically sets the discharge generating electrode unit in the sterilization device, so that the polluted air can be more in contact with the plasma generating electrode, fully acting on and removing pollutants; by cooperating with the relatively arranged discharge generating electrode unit and the collecting electrode unit, when powered on, it can generate high-density and high-energy plasma under atmospheric pressure, act on gaseous pollutants and microorganisms, viruses, etc., so that the particulate matter in the air flowing through the sterilization device is charged, and the particulate matter and pathogenic bacteria residues are collected by the collecting electrode unit, thereby greatly improving the sterilization and disinfection efficiency, achieving a high-efficiency sterilization effect, and purifying the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 It is a front view of the discharge electrode plate of the present invention;

[0034] Figure 2 A top view of the discharge electrode plate of the present invention;

[0035] Figure 3 is a schematic diagram of a sterilization device of the present invention;

[0036] Figure 4 It is a cross-sectional view of the sterilization device of the present invention.

[0037] Description of reference numerals:

[0038] 1-discharge generating electrode unit, 10-discharge electrode plate, 11-first electrode, 12-second electrode, 13-medium layer; 2-collecting electrode unit, 20-collecting electrode plate;

[0039] 31-actuator, 32-axle wheel, 33-first conductive axle wheel rod, 34-insulating axle wheel rod, 35-second conductive axle wheel rod;

[0040] 40-power supply terminal, 50-ground terminal, 51-connector. DETAILED DESCRIPTION

[0041] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. 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.

[0042] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0043] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0045] Embodiment 1

[0046] Combination Figure 1-Figure 2 As shown, the electrode plate structure provided in this embodiment includes:

[0047] The first electrode 11 is constructed as a plate-like structure or a columnar structure;

[0048] The second electrode 12 is constructed as a mesh structure and is arranged in parallel with the first electrode 11, or is arranged to be wound around the first electrode 11;

[0049] The dielectric layer 13 is disposed between the first electrode 11 and the second electrode 12 .

[0050] The electrode structure provided in this embodiment is configured by stacking the first electrode 11, the dielectric layer 13, and the second electrode 12 in sequence, so that when powered on, the electrode structure is convenient for generating high-density plasma; the second electrode 12 is configured as a mesh structure or is wound around the first electrode 11, so that the second electrode 12 has a certain gap and does not form a closed form, so that the second electrode 12 has a spare light-emitting gap, increasing the contact surface with the air, facilitating the generation of high-density plasma, and producing a glow discharge effect.

[0051] Specifically, the first electrode 11 and / or the second electrode 12 are made of a conductive material. Preferably, in this embodiment, the material of the first electrode 11 can be a metal material, which can specifically include any conductive metal material such as aluminum, iron, copper, or other conductive materials. The second electrode 12 can be formed by a mesh structure woven from other conductive materials such as metal wire or carbon fiber, or can be formed by continuously winding other conductive materials such as metal wire or carbon fiber.

[0052] Specifically, the dielectric layer 13 is made of electret material.

[0053] Preferably, the electret material has the ability to store electric charge, and is easy to discharge without the side effect of breakdown. The dielectric layer 13 can be made of electret materials such as PI (polyimide), PAI (polyamide-imide), PTFE (polytetrafluoroethylene), etc.

[0054] Specifically, the first electrode 11 is suitable for connecting to the ground terminal 50 , and the second electrode 12 is suitable for connecting to the positive electrode of the power terminal 40 .

[0055] Specifically, the second electrode 12 is attached to the dielectric layer 13 .

[0056] Embodiment 2

[0057] Combination Figure 3-Figure 4 As shown, the sterilization device provided in this embodiment includes: a discharge generating pole unit 1 made of the pole plate structure described in the first embodiment above, and

[0058] A collecting electrode unit 2 is arranged opposite to the discharge generating electrode unit 1.

[0059] Compared with the traditional electric purification device which cannot generate high-energy plasma to act on particulate matter, the sterilization device provided in this embodiment achieves efficient disinfection and sterilization by adopting the discharge form of glow discharge.

[0060] Combination Figure 3 As shown, the airflow flows along the direction S, the air enters from the discharge generating pole unit 1 and is blown out from the collecting pole unit 2.

[0061] The sterilization device provided in this embodiment, the discharge generating electrode unit 1 is made of the electrode plate structure, so that the polluted air can be more in contact with the plasma generating electrode, fully acting on and removing pollutants; by cooperating with the relatively arranged discharge generating electrode unit 1 and the collecting electrode unit 2, when powered on, high-density and high-energy plasma can be generated under atmospheric pressure to act on gaseous pollutants as well as microorganisms, viruses, etc., so that the particles in the air flowing through the sterilization device are charged, and the collecting electrode unit 2 collects the particles and pathogenic bacteria residues, thereby greatly improving the sterilization efficiency, achieving a high-efficiency sterilization effect, and purifying the air.

[0062] Specifically, the discharge generating pole unit 1 comprises at least one discharge pole plate 10, and the discharge pole plate 10 is constructed as a plate-like structure and is made of the pole plate structure;

[0063] The collector unit 2 includes at least one collector plate 20 , and the collector plate 20 is configured as a plate-shaped structure.

[0064] The discharge generating pole unit 1 is formed by continuously arranging a plurality of discharge electrode plates 10, thereby facilitating the generation of high-density plasma.

[0065] Specifically, the discharge electrode plate 10 and / or the collector electrode plate 20 are respectively connected to a first conductive shaft wheel rod 33 and a second conductive shaft wheel rod 35 at both ends along the length direction.

[0066] Specifically, the sterilization device further includes: an axle wheel 32;

[0067] An insulating shaft wheel rod 34, two ends of which are connected to the first conductive shaft wheel rod 33 and the second conductive shaft wheel rod 35 via the shaft wheel 32 respectively; and

[0068] The actuator 31 is suitable for driving the insulating shaft wheel rod 34, thereby directly or indirectly driving the discharge electrode plate 10 and the collector electrode plate 20 to rotate.

[0069] Driven by the actuator 31, the insulating shaft wheel rod 34 rotates, and the insulating shaft wheel rod 34 drives the shaft wheel 32 connected to the upper and lower ends thereof to rotate, the shaft wheel 32 at the first end of the insulating shaft wheel rod 34 drives the first conductive shaft wheel rod 33 to move horizontally, and the shaft wheel 32 at the second end of the insulating shaft wheel rod 34 drives the second conductive shaft wheel rod 35 to move horizontally; at this time, the first conductive shaft wheel rod 33 and the second conductive shaft wheel rod 35 move horizontally synchronously. The discharge electrode plate 10 or the collector electrode plate 20 disposed between the first conductive shaft wheel rod 33 and the second conductive shaft wheel rod 35 is connected to the first conductive shaft wheel rod 33 and the second conductive shaft wheel rod 35 via a rotating shaft disposed on the central axis thereof, and driven by the first conductive shaft wheel rod 33 and the second conductive shaft wheel rod 35, rotates around its own central axis, thereby realizing the flipping of the discharge electrode plate 10 and the collector electrode plate 20.

[0070] The sterilization device provided in this embodiment is provided with a rotating structure of the discharge electrode plate 10 and the collecting electrode plate 20, thereby driving the rotation of the discharge electrode plate 10 and the collecting electrode plate 20, thereby changing the direction of the airflow, increasing the contact area and contact time between the polluted gas and the plasma, thereby greatly improving the adsorption effect on particulate matter; when the air blows toward the discharge electrode plate 10, since the blowing direction of the air is at an angle to the discharge electrode plate 10, the turbulence of the discharge electrode plate 10 increases the charge of the particulate matter and improves the dust collection rate.

[0071] Specifically, the first electrode 11 of the discharge electrode plate 10 and the collector electrode plate 20 are connected to the ground terminal 50 through a connector 51;

[0072] The second electrode 12 of the discharge electrode plate 10 is connected to the positive electrode of the power supply terminal 40 .

[0073] Specifically, the ground terminal 50 is electrically connected to the second conductive shaft wheel rod 35;

[0074] The positive electrode of the power supply terminal 40 is electrically connected to the first conductive shaft wheel rod 33 on the discharge electrode plate 10 .

[0075] By making the second conductive shaft wheel rod 35 and the first conductive shaft wheel rod 33 made of conductive material, it is convenient for multiple discharge electrode plates 10 to conduct circuits at the same time, simplifying the complexity of the structure, and eliminating the need for each discharge electrode plate 10 to be individually wired.

[0076] The second conductive shaft wheel rod 35 is connected to the first conductive shaft wheel rod 33 via the insulating shaft wheel rod 34 , so that the second conductive shaft wheel rod 35 and the first conductive shaft wheel rod 33 are not connected to each other, thereby ensuring the effectiveness of the circuit structure.

[0077] Embodiment 3

[0078] This embodiment provides an air purifier, including: the sterilization device as described in the above-mentioned embodiment 2.

[0079] The air purifier provided in this embodiment adopts a sterilization device, and specifically sets the discharge generating electrode unit 1 in the sterilization device, so that the polluted air can be more in contact with the plasma generating electrode, fully act on and remove pollutants; by cooperating with the relatively arranged discharge generating electrode unit 1 and the collecting electrode unit 2, when powered on, it can generate high-density and high-energy plasma under atmospheric pressure, act on gaseous pollutants and microorganisms, viruses, etc., so that the particles in the air flowing through the sterilization device are charged, and the collecting electrode unit 2 collects the particles and pathogenic bacteria debris, thereby greatly improving the sterilization and disinfection efficiency, achieving a high-efficiency sterilization effect, and purifying the air.

[0080] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A sterilization device, characterized in that: include: A discharge generating pole unit (1) made of a pole plate structure, and a collecting pole unit (2) arranged opposite to the discharge generating pole unit (1); The plate structure comprises: The first electrode (11) is constructed as a plate-like structure or a columnar structure; A second electrode (12) is constructed as a mesh structure and is arranged in parallel with the first electrode (11); A dielectric layer (13) is arranged between the first electrode (11) and the second electrode (12), and the dielectric layer (13) is made of an electret material; The discharge generating electrode unit (1) comprises at least one discharge electrode plate (10), wherein the discharge electrode plate (10) is constructed as a plate-like structure and is made of the plate structure; The collector unit (2) comprises at least one collector plate (20), and the collector plate (20) is constructed as a plate-shaped structure; The two ends of the discharge electrode plate (10) and / or the collector electrode plate (20) along the length direction are respectively connected to a first conductive shaft wheel rod (33) and a second conductive shaft wheel rod (35); The sterilization device further comprises: an axle wheel (32); an insulating shaft wheel rod (34), wherein two ends of the insulating shaft wheel rod (34) are respectively connected to the first conductive shaft wheel rod (33) and the second conductive shaft wheel rod (35) via the shaft wheel (32); and The actuator (31) is suitable for driving the insulating shaft wheel rod (34), thereby directly or indirectly driving the discharge electrode plate (10) and the collector electrode plate (20) to rotate.

2. The sterilization device according to claim 1, characterized in that: The first electrode (11) and / or the second electrode (12) are made of a conductive material.

3. The sterilization device according to claim 2, characterized in that: The electret material includes PI (polyimide), PAI (polyamide-imide), and PTFE (polytetrafluoroethylene).

4. The sterilization device according to claim 1, characterized in that: The first electrode (11) is suitable for connecting to a ground terminal (50), and the second electrode (12) is suitable for connecting to a positive electrode of a power supply terminal (40).

5. The sterilization device according to any one of claims 1 to 4, characterized in that: The second electrode (12) is attached to the dielectric layer (13).

6. The sterilization device according to claim 1, characterized in that: The first electrode (11) of the discharge electrode plate (10) and the collector electrode plate (20) are connected to a ground terminal (50) via a connector (51); The second electrode (12) of the discharge electrode plate (10) is connected to the positive electrode of the power supply terminal (40).

7. The sterilization device according to claim 6, characterized in that: The grounding terminal (50) is electrically connected to the second conductive shaft wheel rod (35); The positive electrode of the power supply end (40) is electrically connected to the first conductive shaft wheel rod (33) on the discharge electrode plate (10).

8. An air purifier, characterized in that: It comprises a sterilization device as described in any one of claims 1 to 7.

Citation Information

Patent Citations

  • Glow discharge plasma surface treatment method and device

    CN110468580A

  • Polar plate structure, sterilization device and air purifier

    CN213630828U