KR20200054358A - Method of producing three-dimensional electromagnetic filter using 3d printer - Google Patents

Abstract

Disclosed is a method of manufacturing an electromagnetic filter of a three-dimensional structure by using a 3D printer, which comprises the following steps of: (a) molding a first electrode layer by scanning a conductive material on a bottom surface; (b) curing the conductive material; (c) forming a first insulating layer by using a non-conductive material on an upper part of the first electrode layer; (d) molding a second electrode layer by scanning the conductive material on an upper part of the first insulating layer; (e) curing the conductive material; and (f) forming a second insulating layer by using the non-conductive material on an upper part of the second electrode layer. The steps (a) to (f) are repeated to form a three-dimensional electrode array.

Description

Manufacturing method of 3D electromagnetic filter using dual nozzle 3D printer {METHOD OF PRODUCING THREE-DIMENSIONAL ELECTROMAGNETIC FILTER USING 3D PRINTER}

The present invention relates to a method for manufacturing an electromagnetic filter having a three-dimensional structure, and more specifically, by using a 3D printer composed of dual nozzles capable of simultaneously using dissimilar materials to stack and stack electrodes and insulators in layers, it is simple and easy. It relates to a method for manufacturing an electromagnetic filter having a three-dimensional structure using a dual nozzle 3D printer that allows an electromagnetic filter to be manufactured in various shapes.

Recently, air pollution has emerged seriously due to the rapid industrialization, and accordingly, interest in a technology for filtering fine dust existing in the atmosphere has increased. Fine dust ranges from dust with a particle size of 10 μm (PM ₁₀ ) or less to ultrafine dust with a particle size of 2.5 μm (PM _2.5 ) or less. It penetrates directly and causes various respiratory diseases and has a fatal effect on the human body, such as weakening the body's immunity.

The most well-known method for filtration of fine dust is the method of separating fine dust by installing a filter in the gas flow. Brown diffusion, interception, inertial impaction, and gravity sedimentation (Gravitational Settling), the fine dust is filtered on the surface of the filter through the mechanism by electrostatic forces (Electrical Forces). However, in the case of the conventional filter, fine dust having a size of 1 μm or less shows a low dust collection efficiency, and there is a problem that the efficiency decreases due to the decrease of the electric field strength as the electrostatic force increases the amount of particles collected.

The prior art for solving this problem is illustrated in FIG. 1.

Referring to FIG. 1, the electrofiltration dust filter is a dust collecting part 30 made of a conductive fiber, a first electrode 20 installed on one side of the dust collecting part 30 and electrically connected to the dust collecting part 30, the dust collecting part A second electrode 25 installed on the other side of 30 and electrically connected to the dust collecting part 30, and an external power supply part connected to the first electrode 20 and the second electrode 25 to apply a voltage ( 10).

However, in the case of these conventional electrostatic precipitating filters, it is common to have a two-dimensional planar structure, the gap for applying voltage is about 2 mm, and a high voltage of about 15 kV is applied to catch dust particles that are charged. It is the structure that I pay.

Therefore, the existing electromagnetic filter needs to apply a high voltage, and there is a disadvantage in that an electric field is generated only in one direction, so the dust collection efficiency is not good.

Accordingly, there is a need to develop a filter that supplements the disadvantages of the known filter and filters fine dust that is difficult to collect.

1. Republic of Korea Registered Patent No. 10-1334294 (2013.11.22) 2. Republic of Korea Registered Patent No. 10-0734504 (2007.06.26)

An object of the present invention is a method of manufacturing an electromagnetic filter having a three-dimensional structure using a dual nozzle 3D printer that can be easily and easily manufactured in various shapes by stacking and stacking layers of electrodes and insulators using a 3D printer composed of dual nozzles. To provide.

Another object of the present invention is designed to solve the above problems, by enabling the application of a higher-density electric field and the generation of electric fields in various directions through 3D electrode array, so that the filtering efficiency of fine dust can be greatly increased. It is to provide a method of manufacturing a three-dimensional electromagnetic filter using a dual nozzle 3D printer.

To achieve the above object, a method of manufacturing an electromagnetic filter having a three-dimensional structure using a dual nozzle 3D printer according to an embodiment of the present invention,

(a) forming a first electrode layer by scanning a conductive material on the bottom surface; (b) forming a first insulating layer of a non-conductive material on the first electrode layer; (c) forming a second electrode layer by injecting a conductive material over the first insulating layer; And (d) forming a second insulating layer with a non-conductive material on top of the second electrode layer, and repeating steps (a) to (d) to form a three-dimensional electrode array. It is characterized by.

In the forming of the first electrode layer, the first main frame and a plurality of first comb portions extending integrally in the right direction from the first main frame are formed by scanning a conductive material using the first nozzle. It characterized in that it comprises a step.

The forming of the first insulating layer may include forming a lower protruding portion to contact the free end of each first comb portion by scanning a non-conductive material using a second nozzle; Forming a second main frame, a third main frame, and a plurality of connecting bars on the first electrode layer and the lower protrusion; And forming an upper protrusion on the upper portion of the second main frame.

In the forming of the second electrode layer, by injecting a conductive material using a first nozzle, forming a plurality of second comb parts extending integrally to the left from the fourth main frame and the fourth main frame are integrally formed. It characterized in that it comprises.

The free end of the second comb portion of the second electrode layer is characterized in that it is molded to abut the upper protrusion protruding from the second main frame of the first insulating layer.

The forming of the second insulating layer may include forming a second main frame, a third main frame, and a plurality of connecting bars on the second electrode layer and the upper protrusion.

Method of manufacturing a three-dimensional electromagnetic filter using a dual nozzle 3D printer according to another embodiment of the present invention,

(a) forming a first electrode layer by scanning a conductive material on the bottom surface, and forming a second electrode layer on the same plane so as to be crossed to the right side of the first electrode layer; And (b) forming an insulating layer of a non-conductive material on the first electrode layer and the second electrode layer, and repeating the steps (a) to (b) to form a three-dimensional electrode array. It is characterized by forming.

The step of forming the first electrode layer and the second electrode layer is performed by scanning a conductive material using a first nozzle to produce a first electrode layer, so that a first main frame having a predetermined width and a right side from the first main frame are formed. Forming a plurality of first comb parts extending in the direction and integrally formed; And forming a second main layer having a predetermined width and a plurality of second comb portions extending integrally in the left direction from the fourth main frame to form a second electrode layer; .

The second comb portion of the second electrode layer is characterized in that it is arranged to be inserted into the space between the first comb portions of the first electrode layer.

A predetermined spaced apart slit is formed between the first comb portion and the second comb portion, between the free end of the first comb portion and the fourth main frame of the second electrode layer, and between the free end of the second comb portion and the first electrode layer. A predetermined spaced apart gap is formed between the first main frames.

The forming of the insulating layer may include forming a protrusion in the gap by scanning a nonconductive material using a second nozzle; And forming a second main frame, a plurality of connecting bars, and a third main frame on the first electrode layer, the second electrode layer, and the insulating protrusion by continuously scanning the non-conductive material using the second nozzle. It is characterized by.

The second main frame and the third main frame are positioned opposite to each other, and a plurality of connection bars are connected between them.

According to the present invention, an electrode and an insulator using a 3D printer composed of dual nozzles are stacked on top of one another, thereby making it easy and easy to produce various shapes.

According to the present invention, it is possible to significantly increase the filtering efficiency of fine dust by enabling application of a higher density electric field and generation of electric fields in various directions through 3D electrode array.

According to the present invention, an electrode and an insulator are stacked on top of one another, so that a strong electric / magnetic field can be obtained even under a low voltage, thereby effectively collecting dust.

According to the present invention, there is an advantage in that it is possible to catch fine dust through a three-dimensional electrode molding, away from a structure for catching dust through an existing two-dimensional electrode arrangement.

In addition, according to the present invention, depending on the voltage applied to the electrode, the electric field is generated only in the direction of the existing Y-axis, in the Z-axis direction, and in the electrode that is staggered with each other, the electric field is also generated in the diagonal direction. It has the effect of adsorbing fine dust in the direction.

1 is a schematic diagram of a filter according to the prior art.
2 is a view schematically showing a process of manufacturing a three-dimensional electromagnetic filter using a dual nozzle 3D printer according to an embodiment of the present invention.
3 is a view schematically showing a process of manufacturing a three-dimensional electromagnetic filter using a dual nozzle 3D printer according to another embodiment of the present invention.

Hereinafter, a method of manufacturing a three-dimensional electromagnetic filter using a dual nozzle 3D printer according to the present invention will be described in detail with reference to the accompanying drawings.

In the description of the present invention, for convenience of understanding, when the drawings are viewed, the left part is set to the left and the right part is set to the right to describe.

In the present invention, the main feature is to form an electromagnetic filter with a conductive material and a non-conductive material using a dual nozzle 3D printer. That is, the present invention is to use a 3D printer of the FDM (Fused Deforsition Modeling) output method, and is a method of heating PLA (Poly Lactic Acid) or ABS material to about 200 degrees and stacking them layer by layer through a dual nozzle.

For example, in the present invention, the (+) electrode layer and the (-) electrode layer are molded using a conductive filament containing carbon, and the insulating layer can be molded from a filament material such as PLA or ABS material. It is.

The manufacturing method of the electromagnetic filter having a three-dimensional structure according to the present invention simultaneously applies a (+) electrode layer for applying voltage and a non-conductive material for forming a conductive material forming a (-) electrode layer and an insulating layer disposed between the two electrode layers. By applying, it is possible to manufacture an electromagnetic filter in a single process.

On the other hand, as in the present invention, the electrode layer and the insulating layer are positioned at predetermined positions in the 3D CAD model in the molding process of the dissimilar materials, thereby making it possible to manufacture the electromagnetic filter in a unified process.

For example, in FIG. 2, the non-conductive material is to form an insulating layer, and the conductive material is to form a (+) electrode layer and a (-) electrode layer, which is formed by repeatedly stacking non-conductive materials one by one. The metal conductive material is stacked between them to form a three-dimensional electromagnetic filter.

Hereinafter, a method of manufacturing an electromagnetic filter according to various embodiments of the present invention will be described.

<Example 1>

A method of manufacturing an electromagnetic filter according to a first embodiment of the present invention will be described with reference to FIG. 2.

1. The first electrode layer 110 is molded.

First, by scanning the conductive material using the first nozzle 100, the first main frame 111 and the plurality of first comb portions extending in the right direction from the first main frame 111 and integrally formed ( 113). The plurality of first comb parts 113 are formed to be spaced apart from each other at regular intervals (see FIG. 2 (a)).

2. The first insulating layer 120 is molded.

By injecting the non-conductive material using the second nozzle 105, the lower protruding portion 129 is molded to contact the free end of each first comb portion 113 (see FIG. 2 (b)). Thereafter, a second main frame 121, a third main frame 123 and a plurality of connecting bars 125 are formed on the first electrode layer 110 and the lower protrusion 129. Each connection bar is formed at a position corresponding to the first comb portion 113, thereby forming a stacked structure (see FIG. 2 (c)).

Finally, an upper protrusion 127 is formed on the second main frame 121 (see FIG. 2 (d)).

3. The second electrode layer 130 is molded.

By injecting the conductive material using the first nozzle 100, a plurality of second comb parts 133 extending integrally from the fourth main frame 131 and the fourth main frame 131 in the left direction are formed. Molds. The plurality of second comb parts 133 are formed to be spaced apart from each other at a predetermined interval (see FIG. 2 (e)).

The second comb portion 133 is formed at a position corresponding to the plurality of connection bars 125, so that the second electrode layer 130 is stacked on top of the first insulating layer 120, The plurality of connecting bars 125 and the plurality of second comb parts 133 are disposed at the same position. That is, when viewed in plan view, the connecting bar 125 and the second comb portion 133 have a structure stacked upward at the same position.

In addition, the free end of the second comb portion 133 of the second electrode layer 130 is formed to abut the upper protrusion 127 protruding from the second main frame 121 of the first insulating layer 120.

4. The second insulating layer is molded.

By scanning the non-conductive material using the second nozzle 105, a second insulating layer is formed on the second electrode layer 130 and the upper protrusion 227. The second insulating layer is composed of a second main frame 121, a third main frame 123 and a plurality of connection bars 125. Each of the connecting bars is formed at a position corresponding to the second comb portion 113, thereby forming a stacked structure. In the second insulating layer, the configuration of the upper protrusion and the lower protrusion is not necessary (see FIG. 2 (f)).

As a result, when the first electrode layer 110, the first insulating layer 120, the second electrode layer 130, and the second insulating layer are stacked up and down, the first and second comb portions and between them Due to the connecting bar located therein, the interior is divided into a number of spaces, and the height of the left side and the height of the right side of the stack can be molded identically.

Finally, the first electrode layer 110, the first insulating layer 120, the second electrode layer 130, the second insulating layer, the first electrode layer 110, the first insulating layer 120 and the second electrode layer 130 ) Are stacked repeatedly in this order, so that a three-dimensional electromagnetic filter can be manufactured.

<Example 2>

A method of manufacturing an electromagnetic filter according to a second embodiment of the present invention will be described with reference to FIG. 3.

1. The first electrode layer 210 and the second electrode layer are molded on the same plane.

First, in order to fabricate the first electrode layer 210, the first main frame 211 and the first main frame 211 having a predetermined width are scanned by scanning a conductive material using the first nozzle 100. A plurality of first comb portions 213 extending in the direction and formed integrally are molded. The plurality of first comb parts 213 are formed to be spaced apart from each other at regular intervals.

Thereafter, in order to fabricate the second electrode layer 230, a fourth main frame 231 having a predetermined width and a plurality of second comb portions extending in the left direction from the fourth main frame 231 and integrally formed (233) is molded. The plurality of second comb parts 233 are formed to be spaced apart from each other at regular intervals.

When the second electrode layer 230 is installed on the same plane so as to cross the right side of the first electrode layer 210, the second comb portion 233 of the second electrode layer 230 is the first electrode layer 230 ) Is arranged to be inserted into the space between the first comb parts 133. As a result, each second comb portion 233 of the second electrode layer 230 is disposed as a space between the plurality of first comb portions 133 of the first electrode layer 210.

In this state, the first comb portion 133 and the second comb portion 233 are installed, and a predetermined spaced slit portion S is formed between the first comb portion 133 and the second comb portion 233. do. That is, the first comb portion 133 and the second comb portion 233 are spaced apart from each other.

In addition, between the free end of the first comb portion 133 and the fourth main frame 231 of the second electrode layer 230, the free end of the second comb portion 233 and the first end of the first electrode layer 130 A predetermined spaced gap G is formed between the main frames 131 (see Fig. 3 (a)).

2. The insulating layer 220 is molded.

First, by injecting a non-conductive material using the second nozzle 105, the insulating protrusion 227 is formed in the gap G. In this case, the insulating protrusion 227 is disposed on the same plane as the first electrode layer 210 and the second electrode layer 230. The insulating protrusions 227 are positioned in the gap G to function to insulate the first electrode layer 210 and the second electrode layer 230 (see FIG. 3 (b)).

Thereafter, by continuously scanning the non-conductive material using the second nozzle 105, the second main frame 221 on the first electrode layer 210, the second electrode layer 230 and the insulating projection 227, A plurality of connecting bars 225 and the third main frame 223 are molded.

The second main frame 221 and the third main frame 223 are positioned opposite to each other, and a plurality of connection bars 225 are connected between them.

The plurality of connection bars 225 are formed at positions corresponding to the first comb portion 213 and the second comb portion 233, so that the insulating layer 220 is the first electrode layer 210. And the second electrode layer 230, the plurality of connection bars 225 and the plurality of first comb parts 213 and the second comb parts 233 are disposed at the same position. do. That is, when viewed in plan view, the connecting bar 225 and the first comb portion 213 and the second comb portion 233 have a structure stacked upward at the same position.

As a result, when the first electrode layer 210, the second electrode layer 230, and the insulating layer 220 are stacked, a plurality of spaces are formed inside due to the first and second comb parts and a connection bar positioned between them. It is formed by being divided into, and the height of the left side and the height of the right side of the laminate can be molded identically.

Finally, the first electrode layer 210 and the second electrode layer 230, the insulating layer 120, the first electrode electrode layer 210 and the second electrode layer 230, and the insulating layer 220 are repeatedly stacked in this order. As a result, a three-dimensional electromagnetic filter can be manufactured.

All the electrode layers described above should be surrounded by an insulating layer or a separate insulating material so as not to be exposed to the outside.

Although described above with reference to preferred embodiments of the present invention, those skilled in the art can variously modify and change the present invention without departing from the spirit and scope of the present invention described in the claims. Will be able to understand.

100: first nozzle 105: second nozzle
110, 210: first electrode layer 111, 211: first main frame
113, 213: first comb part 120, 220: insulating layer
121, 221: 2nd main frame 123, 223: 2nd main frame
125, 225: connecting bar 127: upper projection
129: lower protrusion 130, 230: second electrode layer
131, 231: 4th main frame 133, 233: 2nd comb part
227: insulating projection
G: clearance S: slit

Claims (12)

(a) forming a first electrode layer by scanning a conductive material on the bottom surface;
(b) forming a first insulating layer of a non-conductive material on the first electrode layer;
(c) forming a second electrode layer by injecting a conductive material over the first insulating layer; And
(d) forming a second insulating layer of a non-conductive material on the second electrode layer;
A method of manufacturing a three-dimensional electromagnetic filter using a dual nozzle 3D printer, characterized in that the steps of (a) to (d) are repeated to form a three-dimensional electrode array. According to claim 1,
The forming of the first electrode layer may include:
And injecting a conductive material using the first nozzle, thereby forming a first main frame and a plurality of first comb portions extending in a right direction from the first main frame and integrally formed. Method of manufacturing a three-dimensional electromagnetic filter using a 3D printer. According to claim 2,
Forming the first insulating layer,
Forming a lower protruding portion to contact the free end of each first comb portion by scanning a non-conductive material using a second nozzle;
Forming a second main frame, a third main frame, and a plurality of connecting bars on the first electrode layer and the lower protrusion; And
A method of manufacturing an electromagnetic filter having a three-dimensional structure using a dual nozzle 3D printer, comprising: forming an upper protrusion on an upper portion of the second main frame. According to claim 3,
Forming the second electrode layer,
And injecting a conductive material using the first nozzle, thereby forming a plurality of second comb portions extending in the left direction from the fourth main frame and the fourth main frame and integrally formed. Method of manufacturing a three-dimensional electromagnetic filter using a 3D printer. The method of claim 4,
Production of a three-dimensional electromagnetic filter using a dual nozzle 3D printer, characterized in that the free end of the second comb portion of the second electrode layer is formed to abut against an upper protrusion projecting from the second main frame of the first insulating layer. Way. The method of claim 4,
Forming the second insulating layer,
A method of manufacturing a three-dimensional electromagnetic filter using a dual nozzle 3D printer, comprising forming a second main frame, a third main frame, and a plurality of connecting bars on the second electrode layer and the upper protrusion. (a) forming a first electrode layer by scanning a conductive material on the bottom surface, and forming a second electrode layer on the same plane so as to be crossed to the right side of the first electrode layer; And
(b) forming an insulating layer of a non-conductive material on the first electrode layer and the second electrode layer;
A method of manufacturing a three-dimensional electromagnetic filter using a dual nozzle 3D printer, characterized in that the steps of (a) to (b) are repeated to form a three-dimensional electrode array. The method of claim 7,
Forming the first electrode layer and the second electrode layer,
In order to fabricate the first electrode layer, by scanning a conductive material using a first nozzle, a first main frame having a predetermined width and a plurality of first comb portions extending in the right direction from the first main frame and integrally formed Forming; And
In order to fabricate the second electrode layer, forming a fourth main frame having a predetermined width and a plurality of second comb portions extending in the left direction from the fourth main frame and integrally formed; a dual comprising a Method of manufacturing a three-dimensional electromagnetic filter using a nozzle 3D printer. The method of claim 8,
Method of manufacturing a three-dimensional electromagnetic filter using a dual nozzle 3D printer, characterized in that the second comb portion of the second electrode layer is arranged to be inserted into the space between the first comb portions of the first electrode layer. The method of claim 8,
A predetermined spaced apart slit portion is formed between the first comb portion and the second comb portion,
Dual nozzle 3D, characterized in that a predetermined spaced gap is formed between the free end of the first comb portion and the fourth main frame of the second electrode layer, and between the free end of the second comb portion and the first main frame of the first electrode layer. Method of manufacturing a three-dimensional electromagnetic filter using a printer. The method of claim 8,
The step of forming the insulating layer,
Forming an insulating protrusion in the gap by scanning a nonconductive material using a second nozzle; And
Continuing to scan the non-conductive material using a second nozzle, forming a second main frame, a plurality of connecting bars and a third main frame on the first electrode layer, the second electrode layer, and the insulating protrusions. Method of manufacturing a three-dimensional electromagnetic filter using a dual nozzle 3D printer, characterized in that. The method of claim 11,
The second main frame and the third main frame are located opposite to each other, and a plurality of connection bars are connected between them, so that the electromagnetic filter of the 3D structure using the dual nozzle 3D printer is Manufacturing method.

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