JP7410304B2 - Induced plasma generator and its manufacturing method - Google Patents

Description

TECHNICAL FIELD The present invention relates to the technical field of air purification devices, and more specifically to an induced plasma generator and a method for manufacturing the same.

In the environment where people currently live, various harmful organic gases are floating in the air, and due to the effect of the heat island phenomenon, various bacteria are appearing along with environmental pollution. Most of the existing air purification devices are activated carbon filters, ultraviolet lamps or ion purifiers, which are basically passive and the purification effect is not ideal. When using an activated carbon filter, it can adsorb organic harmful gases and some bacteria, but these harmful substances accumulate on the activated carbon filter and become a breeding ground for bacteria, causing secondary pollution. When using UV lamps, sterilization can only be performed at a specific frequency spectrum, and UV lamps tend to get hot, which affects sterilization effectiveness. When using an ion purifier, it has no sterilizing effect and generates a large amount of ozone, which in severe cases can cause discomfort to the user's respiratory tract.

A Chinese patent document with publication number CN204268589U discloses a high-efficiency air purification device, and the high-efficiency air purification device is equipped with a metal foam supporting a photocatalyst, so that the purification effect is improved.

However, the above solution is prone to generate heat during use, so its sterilization effect is easily affected, thereby affecting its air purification effect.

The purpose of the present invention is to overcome the deficiencies of the prior art and provide an induced plasma generator and its manufacturing method, which kills bacteria, decomposes organic harmful gases, and quickly and effectively It has good economic benefits and safety benefits.

In order to solve the above technical problem, the technical solution adopted in the present invention is to provide a method for manufacturing an induced plasma generator, which method includes:
S1, providing a plasma generator and a stimulated ion ejection structure;
S2, pre-treating the stimulated ion emission structure;
S3, manufacturing an ionization structure;
S4, superimposing the stimulated ion emission structure obtained in step S2 and the ionization structure obtained in step S3 using a bracket, the ionization structure being located between the stimulated ion emission structures;
S5, communicatively connecting the stimulated ion ejection structure and the ionization structure to a plasma generation device, respectively, to form an induced plasma generation device.

The present invention includes a method for manufacturing an induced plasma generation device, in which the induced ion emission structure and the ionization structure can jointly generate an electric field, and by setting the induced ion emission structure, the ionization structure can be induced. It can generate more ions, and the positive and negative ions produced by the ionization structure can kill bacteria in the air and purify the air, and only a trace amount of ozone is produced in this process. , reduce damage to human health.

Further, step S2 specifically includes sharpening one end of the stimulated ion emission structure.

Additionally, the stimulated ion ejection structure includes at least two carbon fiber bundles.

Further, step S3 specifically includes providing a foamed metal mesh and coating the metal foam mesh with a metal oxide coating or a nanoscale metal oxide coating to form the ionized structure.

Furthermore, the foamed metal mesh is a foamed metal mesh made of any one or more of nickel, copper, iron, tungsten, magnesium, manganese, silver, platinum, cobalt, and titanium, and the metal oxide coating is a metal oxide coating made of one or more of nickel oxide, copper oxide, iron oxide, tungsten oxide, magnesium oxide, manganese oxide, silver oxide, platinum oxide, cobalt oxide, and titanium oxide.

Furthermore, the step S3 specifically includes:
S31, preparing a substrate paste using a carrier metal;
S32, adding an oxidized metal material to the substrate paste and mixing to form a mesh structure to obtain the ionized structure.

Further, in step S4, the bracket includes a first plate and a second plate removably connected to the first plate, and both the first plate and the second plate include , a first anchoring portion is provided for attaching an ionization structure, and the first plate further includes a second anchoring portion for attaching a stimulated ion emission structure.

Furthermore, the method further includes the step of detecting the amount of ions and the amount of ozone in the induced plasma generator in step S6.

The present invention further includes an induced plasma generation device, the induced plasma generation device including a plasma generation device, a stimulated ion emitting structure and an ionization structure communicatively connected to the plasma generation device, the ionization structure and the guided ionization structure. The emissive structures are overlapped by brackets, and the ionizing structure is located between the stimulated ion emitting structures.

Preferably, the stimulated ion emitting structure includes at least two carbon fiber bundles, and the ionization structure includes at least two foamed metal meshes, the foamed metal mesh being between the carbon fiber bundles.

Compared with the prior art, the beneficial effects of the present invention are as follows.

The present invention provides an induced plasma generation device and its manufacturing method, in which the induced ion emission structure and the ionization structure can jointly generate an electric field, and by setting the induced ion emission structure, the ionization structure can be generated. The positive and negative ions produced by the ionization structure can decompose or destroy bacteria in the air and purify the air, and in this process, trace amounts of Only ozone is produced, reducing the damage to human health.

3 is a flowchart of a method for manufacturing an induced plasma generator according to the present invention. 1 is a data test table of a method for manufacturing an induced plasma generator according to the present invention. 1 is a schematic structural diagram of an induced plasma generation device according to the present invention. FIG. 2 is a schematic structural diagram of a stimulated ion emission structure and an ionization structure in the present invention. It is a schematic structural diagram of Example 3 of the induced plasma generation device according to the present invention. FIG. 2 is a structural schematic diagram of a bracket in the present invention. FIG. 3 is a structural schematic diagram of the bracket according to the present invention from another angle; It is a schematic structural diagram of Example 4 of the induced plasma generation device according to the present invention. FIG. 3 is a structural schematic diagram of a baffle hood in the present invention.

The present invention will be further described below in conjunction with specific embodiments. The accompanying drawings are used for illustrative purposes only and depict only schematic diagrams rather than actual figures and should not be construed as limiting the patent. In order to better illustrate the embodiments of the invention, some parts in the drawings may be omitted, enlarged or reduced in size and do not represent actual product dimensions. Those skilled in the art will understand that some well-known structures and their descriptions may be omitted from the drawings.

In the drawings of embodiments of the invention, identical or similar reference numbers correspond to identical or similar parts. In the description of the present invention, orientations or relationships indicated by terms such as "top," "bottom," "left," and "right" are based on the orientations or relationships shown in the accompanying drawings, which are , does not indicate or imply that the devices or elements referred to have a particular orientation or must be constructed and operated in a particular orientation, but merely to facilitate and simplify the description of the invention. It's just for the sake of it. Accordingly, the positional terminology in the accompanying drawings is used for illustrative purposes only and is not to be construed as limiting this patent. Those skilled in the art will understand the specific meanings of the above terms depending on the particular situation.

Example 1

As shown in FIG. 1, the first embodiment of the method for manufacturing an induced plasma generator according to the present invention includes the following steps.

S1, a plasma generator 1 and a stimulated ion emission structure 2 are provided.

Here, the plasma generator 1 is a plasma generator, and the stimulated ion emission structure 2 includes at least two carbon fiber bundles. The stimulated ion release structure 2 in this example includes two carbon fiber bundles, which are used to release positive and negative ions, respectively, and also guide the ionization structure 3 to release more ions. Also used to generate.

S2: After step S1, the stimulated ion emission structure 2 is pretreated. Pretreatment includes sharpening one end of the carbon fiber bundle to form a tip structure.

S3, manufacturing ionization structure 3; This involves providing a foamed metal mesh and coating the metal foam mesh with a metal oxide coating or a nanoscale metal oxide coating to form the ionized structure 3. The ionization structure 3 in this example includes two foam metal meshes covered with a coating, which are used to generate a positive electrode and a negative electrode, respectively, and the generated positive and negative electrodes are ionized and exposed to an electric field. generate.

Specifically, the foamed metal mesh is a foamed metal mesh made of one or more of nickel, copper, iron, tungsten, magnesium, manganese, silver, platinum, cobalt, and titanium. The mesh of the foamed metal mesh in this example is 40 mesh or more.

Specifically, the metal oxide coating includes one or more of nickel oxide, copper oxide, iron oxide, tungsten oxide, magnesium oxide, manganese oxide, silver oxide, platinum oxide, cobalt oxide, and titanium oxide. It is a metal oxide coating consisting of Material selection for nanoscale metal oxide coatings is similar to metal oxide coatings. The application of the metal oxide coating or nanoscale metal oxide coating in this example may be performed by, but not limited to, spraying, electroplating, and the like.

It should be noted that the materials of the foam metal mesh and coating can be tailored according to the actual functional requirements. For example, by coating a foamed copper mesh with a silver oxide coating, in addition to achieving sterilization and air purification, titanium oxide can be utilized to decompose ozone and further reduce ozone production.

S4, the stimulated ion emission structure 2 obtained in step S2 and the ionization structure 3 obtained in step S3 are superimposed using a bracket 4. The stimulated ion emission structures 2, which are sharpened at one end, are oriented in the direction of the air flow, and the ionization structures 3 are located between the stimulated ion emission structures 2.

Specifically, the bracket 4 includes a first plate 41 and a second plate 42 removably connected to the first plate 41. In both cases, a first attachment part 43 for attaching the ionization structure 3 is provided, and the first plate 41 is further provided with a second attachment part 44 for attaching the stimulated ion emission structure 2. It is being Specifically, the second engaging portion 44 is located near the edge of the first plate 41.

Specifically, step S4 is
S41, anchoring two foamed metal meshes covered with coatings to the first anchoring portion 43;
After S42 and Step S41, the two carbon fiber bundles are engaged with the second engagement part 44, and the tip structure of the carbon fiber bundles is oriented in the direction of the air flow;
S43 includes a step of assembling the first plate 41 and the second plate 42 after step S42.

After S5 and step S4, the stimulated ion emission structure 2 and the ionization structure 3 are respectively connected in communication with the plasma generation device 1 to form a stimulated plasma generation device.

Step S5 specifically connects the foamed metal mesh used to generate the positive electrode and the carbon fiber bundle used to emit positive ions to the positive electrode of the boosting module of the plasma generator 1 via a wire. connecting the foamed metal mesh used to generate the negative electrode and the carbon fiber bundle for emitting negative ions to the negative electrode contact of the boost module of the plasma generator 1 via a wire; including. Note that the foamed metal mesh used to generate the positive electrode and the carbon fiber bundle used to emit positive ions are connected to the same potential of the plasma generator 1 and used to generate the negative electrode. The foamed metal mesh and the carbon fiber bundle used to emit negative ions are connected to the same potential of the plasma generator 1. Further, the positive electrode contact and the negative electrode contact may be located outside the plasma generator 1 or may be located inside the plasma generator 1. The carbon fiber bundles used to release positive ions are adjacent to the foamed metal mesh used to produce the positive electrode, and the carbon fiber bundles used to release negative ions are adjacent to the foamed metal mesh used to produce the negative electrode. Adjacent to the foam metal mesh used to generate.

After step S6 and step S5, the amount of ions and the amount of ozone in the induction plasma generator are detected.

Specifically, step 6 is:
S61, providing a power source 6 and connecting the plasma generator 1 to the power source 6;
S62, providing a fan and attaching a guided plasma generator to an exhaust port of the fan;
S63, providing an air positive and negative ion tester and placing the air positive and negative ion tester at an initial test point at the front end of the induced plasma generator, specifically between the initial test point and the fan exhaust port; a step whose horizontal distance is 10 cm;
S64. Start the power supply, fan and air positive and negative ion tester, take a reading 5-10 seconds after the air positive and negative ion tester displays a value, repeat this step at least three times and average the three readings. a step of taking
S65, moving the air positive and negative ion tester away from the initial test point and testing again, specifically testing at locations 20 cm, 30 cm, and 40 cm away from the fan exhaust port;
S66, detecting the amount of ozone using an ozone monitor.

In this example, the test was performed using a KT-401 Air Ion Tester air positive and negative ion tester, and the maximum reading of the instrument is 1999x104. As shown in FIG. 2, the induced plasma generator can generate more ions over a wider area than the combination of plasma tube, foam metal mesh, and carbon fiber bundle. Further, the amount of ozone generated by the induction plasma generator is 0.033 ppm, which has no ozone odor and can be basically ignored. On the other hand, the amount of ozone produced by the combination of plasma tube, foamed metal mesh, and carbon fiber bundle is 0.2 to 1 ppm, and there is a strong ozone odor. It can be seen that the amount of ozone produced by the induced plasma generator is significantly lower than the plasma tube, foam metal mesh, and carbon fiber bundle combination.

Example 2

This example is similar to Example 1, but the difference is that step S3 specifically includes:
S31, preparing a substrate paste using a carrier metal;
S32, adding an oxidized metal material to the substrate paste and mixing to form a mesh structure to obtain an ionized structure 3;

Example 3

3 to 7 show a first embodiment of the induced plasma generation device according to the present invention, the induced plasma generation device includes a plasma generation device 1 and an induced ion device connected in communication with the plasma generation device 1. It includes an emitting structure 2 and an ionizing structure 3, the ionizing structure 3 and the stimulated ion emitting structure 2 are overlapped by a bracket 4, and the ionizing structure 3 is located between the stimulated ion emitting structure 2.

The bracket 4 includes a first plate 41, a second plate 42, a connection sheet 45, and a connection block 46, and the first plate 41, the second plate 42, and the connection sheet 45 all have It is connected to a connection block 46. Both the first plate 41 and the second plate 42 are provided with a first attachment part 43 for fixing the ionization structure 3, and the first plate 41 is provided with the stimulated ion emission structure 2. A second engaging portion 44 is further provided for fixing. As shown in FIGS. 3, 6, and 7, the first plate 41, the second plate 42, and the connection sheet 45 are arranged parallel to each other, and the connection block 46 It is connected to both ends and also to both ends of the second plate 42 . In this embodiment, at least two second engaging parts 44 and at least two first engaging parts 43 are provided, and the second engaging part 44 is located at the edge of the first plate 41. do. Specifically, the second engaging portion 44 has a through-hole structure, the first plate 41 is provided with a plurality of mutually parallel strip structures, and the second plate 42 has the following structure: Similar to the first plate 41, the second plate 42 is also provided with a plurality of mutually parallel strip structures, and the first engaging portion 43 is formed between adjacent strip structures. It is a gap between Furthermore, the connecting sheet 45 in this embodiment is a ring structure or a rectangular structure, which can facilitate the stacking of the bracket 4 with any air purifier or fan.

The induced plasma generator further includes a power source 6, and the power source 6 is electrically connected to the plasma generator 1, as shown in FIG.

As shown in FIGS. 3 to 5, the stimulated plasma emission structure 2 in this embodiment includes two carbon fiber bundles, the carbon fiber bundles are locked in the through-hole structure, and the ionization structure 3 includes two foam metal bundles. a mesh, the foam metal mesh is locked in the gap, and the foam metal mesh is located between the two carbon fiber bundles. As shown in Figure 4, the two foam metal meshes are placed horizontally to each other. The two foam metal meshes can also be placed at an angle, as shown in FIG.

As shown in Figure 5, when in use, when the wind blows on the induced plasma generator, the generated wind speed will form a jet stream, which is the principle of jet stream, and the air passes between two foam metal meshes. Then, based on the jet flow principle, an electric field is generated due to ionization between the two foamed metal meshes, making it possible to purify bacteria and organic harmful gases (VOCs). When the air flows through the bracket 4, the two foam metal meshes and the two carbon fiber bundles are located on both sides of the flowing air, which can reduce wind resistance and prevent the displacement from attenuating. . In addition, by providing carbon fiber bundles to guide the foam metal mesh, the generation of ions can be greatly increased, and only a small amount of ozone is generated in this process, which improves the purification effect and improves the user's health. Further protect your health. Moreover, the number of induced plasma generators can be increased according to the actual performance, thus ensuring the killing of bacteria and decomposition of organic harmful gases, and further improving the air purification effect.

Example 4

This embodiment is similar to Embodiment 3, but the difference is that, as shown in FIGS. 8 and 9, the induced plasma generator in this embodiment further includes an air guide hood 5. The plasma generator 1 is provided with an exhaust port 51 and an intake port 52, the plasma generating device 1 is provided inside the air guide hood 5, and the air guide hood 5 is removably connected to the exhaust port 51.

As shown in FIG. 9, inside the baffle hood 5, a first connection post 53 for connecting to the bracket 4 is connected, and a second connection post 54 for connecting to the plasma generator 1 is also connected. It is connected . The second connection post 54 is provided with a cut surface that can be easily fixed to the plasma generator 1. Specifically, the bracket 4 and the exhaust port 51 are connected by passing screws through the connection sheet 45 and the first connection post 53 in this order. Convex rings are provided at both ends of the plasma generator 1, and the plasma generator 1 and the baffle hood 5 are connected by passing screws through the convex rings and the second connection post 54 in this order. It should be noted that the baffle hood 5 in this example is cylindrical, and the baffle hood 5 can also have other structures, such as, but not limited to, rectangular, conical, etc.

When in use, by connecting the air intake port 52 of the ventilation hood 5 to an air purifier or fan, the air blown out by the air purifier or fan flows out from the exhaust port 51 after passing through the induced plasma generator. It has a purifying effect.

Obviously, the above embodiments of the invention are merely examples for clearly illustrating the invention and are not intended to limit the embodiments of the invention. Those skilled in the art may also make other different changes or modifications based on the above description. It is not necessary or possible to cover all embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall all be included within the protection scope of the claims of the present invention.

1-plasma generator, 2-stimulated ion emission structure, 3-ionization structure, 4-bracket, 41-first plate, 42-second plate, 43-first engagement part, 44-second Attachment part, 45-connection sheet, 46-connection block, 5-air guide hood, 51-exhaust port, 52-intake port, 53-first connection post, 54-second connection post, 6-power supply.
The arrows in FIG. 5 indicate the direction of air flow.

Claims (8)

A method for manufacturing an induced plasma generator, the method comprising:
S1, providing a plasma generator (1 ) and a stimulated ion ejection structure (2) comprising at least two carbon fiber bundles ;
S2, pre-treating the stimulated ion emission structure (2);
S3, manufacturing an ionization structure (3) comprising at least two foamed metal meshes ;
S4, a step of superimposing the stimulated ion emission structure (2) obtained in step S2 and the ionized structure (3) obtained in step S3 using a bracket (4), the step of overlapping the stimulated ion emission structure (2) obtained in step S2 with the at least two of the ionized structures (3); two foamed metal meshes are located between the at least two carbon fiber bundles of the stimulated ion emission structure (2);
S5, the foamed metal mesh used to generate the positive electrode and the carbon fiber bundle used to emit positive ions are connected to the positive electrode contact of the boosting module of the plasma generator (1) via a wire; connecting the foamed metal mesh used to generate the negative electrode and the carbon fiber bundle for emitting negative ions to the negative electrode contact of the boost module of the plasma generator (1) via a wire; connecting, the carbon fiber bundle used to emit positive ions is adjacent to the foamed metal mesh used to produce a positive electrode and is used to emit negative ions. forming an induced plasma generator, wherein the carbon fiber bundle is adjacent to the foamed metal mesh used to produce a negative electrode. Production method. The method for manufacturing an induced plasma generation device according to claim 1, wherein the step S2 specifically includes sharpening one end of the stimulated ion emission structure (2) to make it sharp. Said step S3 specifically comprises providing a foamed metal mesh and coating said metal foam mesh with a metal oxide coating or a nanoscale metal oxide coating to form said ionized structure (3). The method for manufacturing an induced plasma generator according to claim 1, characterized in that: The foamed metal mesh is a foamed metal mesh made of one or more of nickel, copper, iron, tungsten, magnesium, manganese, silver, platinum, cobalt, and titanium, and the metal oxide coating is It is a metal oxide coating consisting of any one or more of nickel oxide, copper oxide, iron oxide, tungsten oxide, magnesium oxide, manganese oxide, silver oxide, platinum oxide, cobalt oxide, and titanium oxide. The method for manufacturing an induced plasma generator according to claim 3 . Specifically, the step S3 includes:
S31, preparing a substrate paste using a carrier metal;
Induced plasma generation according to claim 1, characterized in that it comprises the step of: S32, adding an oxidized metal material to the substrate paste and mixing to form a mesh structure to obtain the ionized structure (3). Method of manufacturing the device. In step S4, the bracket (4) includes a first plate (41) and a second plate (42) removably connected to the first plate (41); Both the plate (41) and the second plate (42) are provided with a first attachment part (43) for attaching the ionization structure (3), and the first plate (41) is provided with a first attachment part (43) for attaching the ionization structure (3). The method for manufacturing an induced plasma generator according to claim 1, further comprising a second attachment part (44) for attaching the stimulated ion emission structure (2). The method for manufacturing an induced plasma generator according to claim 1, further comprising the step of S6: detecting the amount of ions and the amount of ozone in the induced plasma generator. An induced plasma generation device, comprising a plasma generation device (1), and an induced ion emission structure (2) and an ionization structure (3) connected to the plasma generation device (1),
The stimulated ion emitting structure (2) comprises at least two carbon fiber bundles,
said ionizing structure (3) comprising at least two foamed metal meshes;
The ionization structure (3) and the stimulated ion release structure (2) are superimposed by a bracket (4), and the at least two foam metal meshes of the ionization structure (3) are connected to the stimulated ion release structure (2). located between at least two carbon fiber bundles ;
The foamed metal mesh used to generate the positive electrode and the carbon fiber bundle used to emit positive ions are connected to the positive electrode contact of the boost module of the plasma generator (1) via a wire. , the foamed metal mesh used to generate the negative electrode and the carbon fiber bundle for emitting negative ions are connected to the negative electrode contact of the boost module of the plasma generator (1) via a wire, and the positive The carbon fiber bundles used to release ions are adjacent to the foamed metal mesh used to produce the positive electrode, and the carbon fiber bundles used to release negative ions are adjacent to the foamed metal mesh used to produce the positive electrode. adjacent to the foamed metal mesh used to generate an induced plasma.