KR102210832B1 - Ventilating window with dustproofing and rainwater proofing - Google Patents

Abstract

The present invention relates to a ventilation window capable of preventing inflow of fine dust and rainwater and, more specifically, to a ventilation window which is installed on a window to prevent fine dust contained in air and prevent rainwater from being introduced thereinto in case of ventilation. The ventilation window includes: a frame installed on the window and having a ventilation hole therein; a dust-proof net arranged on the ventilation hole to be fixed to the frame; and a plurality of rainwater prevention wings arranged on the ventilation hole to be installed on the frame.

Description

Ventilation window that can block fine dust and rainwater inflow {VENTILATING WINDOW WITH DUSTPROOFING AND RAINWATER PROOFING}

The present invention relates to a ventilation window capable of blocking the inflow of fine dust and rainwater, and specifically, to a ventilation window that is installed on a window and can block fine dust contained in air when ventilation, and can block the inflow of rainwater into the interior.

In general, a window of a residential building such as a house or apartment is usually installed with a mesh-type insect screen that can block pests such as mosquitoes and flies and allow ventilation.

Materials of such insect screens have been developed and widely used, including synthetic fibers such as nylon and polyester, as well as fine metal nets such as aluminum and stainless steel, and products using glass fibers in recent years.

However, in recent years, as the frequency of occurrence of harmful (ultra) fine dust that can be introduced into the room through the existing insect repellent net is increasing, and the concern of the occurrence of respiratory system diseases due to the fine dust increases. The situation is that it is reluctant to open the window and ventilate with confidence only with a screen.

In other words, ventilation is essential during residential life due to various indoor air pollutants caused by indoor asbestos, radon, bacteria, formaldehyde, cooking, and the use of electronic devices, but ventilation is reluctant due to external harmful substances such as fine dust. Losing is true.

In addition, rainwater may be introduced through the insect screen in case of rain, and internal soundness may be lowered by the incoming rainwater.

Therefore, it is urgently needed to develop a ventilation window with a new function that can block harmful fine dust and rainwater as well as the function of the existing insect screen.

KR 1020180120532

An object of the present invention is to provide a ventilation window that is installed on a window and can block fine dust contained in the air when ventilating, and can block the inflow of rainwater into the interior.

In order to achieve the above object, the present invention consists of a pair of horizontal frames that are spaced apart from each other at regular intervals and installed on the windows, and a pair of vertical frames that are disposed between the horizontal frames and are coupled or separated on both sides of the horizontal frame. A frame in which a ventilation hole is formed inside; A dustproof net disposed in the ventilation hole; Wing fixing members installed on each of a pair of vertical frames; And a plurality of rainwater blocking blades consisting of a blocking plate disposed in the ventilation hole, and hook portions respectively formed at both ends of the blocking plate and installed on the wing fixing member, wherein the wing fixing member has a through hole through which the hook part is drawn in or out. The plurality of wing cradle grooves are formed to be inclined by a predetermined angle to be spaced apart from each other at regular intervals along the length direction of the vertical frame, and the hook portion is formed on one side of the blocking plate with respect to the width direction of the blocking plate; And a second hook part formed on the other side of the blocking plate so as to face the first hook part based on the width direction of the blocking plate, and the first hook part and the second hook part are caught in the through hole when entering the through hole, thereby narrowing the gap. After passing through the hole, it is restored to its original state, and it can be fixed by being caught in the wing holder groove.

In the present invention, a vibration-proof net fixing groove is formed in the frame along the longitudinal direction of the frame, so that a part of the dust-proof net is inserted, and a fixing member that is inserted into the dust-proof net fixing groove to fix the dust-proof net may be further included.

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In the present invention, the rainwater blocking blade is inclined at a certain angle and spaced apart from each other at a predetermined interval along the longitudinal direction of the wing fixing member, and may be coupled to the wing fixing member.

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In the present invention, the anti-vibration net may be manufactured by sequentially stacking a net-shaped screen fabric formed of polyester yarn coated with a chargeable polymer resin, a nanofiber web having a pore size of 0.1 to 100 um, and a protective fabric.

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The ventilation window capable of blocking the inflow of fine dust and rainwater according to the present invention can block the inflow of external contaminants such as fine dust, ultrafine dust, and yellow sand.

In addition, it is possible to prevent rainwater from flowing into the interior when it rains.

1A and 1B are a front perspective view and a rear perspective view of a ventilation window capable of sequentially blocking the inflow of fine dust and rainwater according to an embodiment of the present invention.
2A and 2B are a plan view of a dustproof net that is sequentially fixed to the frame shown in FIG. 1A, and a front perspective view showing a state in which the dustproof net is fixed.
3A, B and 4A to 4C are a rear perspective view, a side view, a rear view, a top view, and a bottom view of the first horizontal frame shown in FIG. 1A in sequence.
5A and 5B are views sequentially showing a state in which the gap compensation member shown in FIG. 3A is separated and coupled to the first horizontal member.
6A and 6B are a rear perspective view, a side view, a rear view, a plan view, and a bottom view of the second horizontal frame shown in FIG. 1A sequentially.
8A and 8B are diagrams illustrating a state in which the first horizontal frames shown in FIG. 1A are sequentially coupled to and separated from the vertical frames.
9A and 9B are side views and plan views of the wing fixing member shown in FIG. 1A sequentially.
10 is a plan view of the rainwater blocking blade shown in FIG. 1A.
FIG. 11 is a section diagram A'-A' shown in FIG. 1A.
12a and b are views sequentially showing a state in which the rainwater blocking blades shown in FIG. 1a are separated and coupled to the wing fixing member.
13A to 13C are views sequentially showing a state in which the rainwater blocking blades shown in FIG. 1A are coupled to the wing fixing member.
14 is a micrograph of a net-shaped insect screen fabric formed of polyester yarn.
15 is an electron microscope image of a nanofiber web.
FIG. 16 is a schematic diagram schematically showing a cross-sectional structure of the vibration isolation net shown in FIG. 2A.
17 is a view showing an electric field spinning method for manufacturing a nanofiber web.
18 is an SEM image of the dustproof net shown in FIG. 2A.
19 is an SEM image of a nanofiber web containing titanium dioxide.

In order to describe in detail enough to enable a person of ordinary skill in the art to easily implement the technical idea of the present invention, a most preferred embodiment of the present invention will be described with reference to the accompanying drawings.

First of all, in adding reference numerals to elements of each drawing, it should be noted that the same elements have the same numerals as possible even if they are indicated on different drawings.

In addition, in describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the subject matter of the present invention, a detailed description thereof will be omitted.

In the direction expressed in the content to be described later prior to the detailed description of the present invention, the upper portion of the "upper" is directed toward the first horizontal frame 121 with respect to the second horizontal frame 122 shown in FIG. 1A. It is a direction, and the lower (lower) of "lower" is defined as a direction toward the second horizontal frame 122 with respect to the first horizontal frame 121.

Hereinafter, a ventilation window capable of blocking the inflow of fine dust and rainwater according to an embodiment of the present invention will be described with reference to FIGS. 1 to 19.

1A and B are a front perspective view and a rear perspective view of a ventilation window capable of sequentially blocking the inflow of fine dust and rainwater according to an embodiment of the present invention, and FIGS. 2A and 2B are views of a dustproof net sequentially fixed to the frame shown in FIG. 1A. It is a plan view and a front perspective view showing a state in which the dustproof net is fixed.

And. Figures 5a and b are views showing a state in which the gap compensation member shown in Figure 3a is sequentially separated and coupled to the first horizontal member, and Figures 6a and b are rear perspective views of the second horizontal frame sequentially shown in Figure 1a , Side view, rear view, top view, bottom view.

In addition, FIGS. 8A and 8B are diagrams illustrating a state in which the first horizontal frames shown in FIG. 1A are sequentially coupled to and separated from the vertical frames.

1A to 8B, a ventilation window 100 (hereinafter, referred to as a'ventilation window') capable of blocking the inflow of fine dust and rainwater is installed in a window, a frame 110 having a ventilation hole formed inside, and the ventilation hole It may include a dustproof net 140 disposed and fixed to the frame 110, and a plurality of rainwater blocking blades 150 disposed in the ventilation hole and installed in the frame 110.

Here, the frame 110 may be installed on a window frame or a door frame among windows and doors, and hereinafter, for ease of explanation, the frame 110 will be described with reference to a window frame in which a rail is formed so that the window slides.

The frame 110 is a pair of horizontal frames 120 that are arranged at regular intervals in parallel with each other, and a pair of horizontal frames 120 that are disposed between the horizontal frames 120 to be coupled or separated on both sides of the horizontal frame 120, respectively. It may include a vertical frame 130.

More specifically, the horizontal frame 120 may include a first horizontal frame 121 mounted on an upper rail of a window and a second horizontal frame 122 mounted on a lower rail of the window, and the ventilation window Rail mounting grooves 123 are formed on both sides of the horizontal frame 120 to be mounted on the rails of the windows and doors 100.

The rail mounting groove 123 includes a first rail mounting groove 123a formed in the first horizontal frame 121 and a second rail mounting groove 123b formed in the second horizontal frame 122, and , It is preferable that the length d1 of the first rail mounting groove 123a is formed longer than the length d2 of the second rail mounting groove 123b.

That is, since the length d1 of the first rail mounting groove 123a is formed longer than the length d2 of the second rail mounting groove 123b, the second rail mounting groove 123b is formed on the lower rail more easily. ) Can be mounted.

When the ventilation window 100 is mounted on a rail of a window, a gap is formed between the window frame and the ventilation window 100, so that vibration may occur when the ventilation window 100 slides along the rail. Damage may occur to the ventilation window 100 and the window frame.

In order to prevent this, the ventilation window 100 further includes a gap compensation member 180, and the gap compensation member 180 has a gap compensation plate 181 formed with a predetermined thickness B, the gap compensation plate ( It may include a leg portion 182 that is formed on one side of the 181 and is coupled to or separated from the horizontal frame 120.

On one side of the first horizontal frame 121, a gap compensation member mounting groove 124 formed by cutting a predetermined length downward from the upper end of the first horizontal frame 121 is formed, and the leg portion 182 May be slide-coupled or separated into the gap compensation member mounting groove 124.

That is, when the gap compensation member 180 is coupled to the gap compensation member mounting groove 124, the gap between the ventilation window 100 and the window frame is compensated for as much as the thickness (B) of the gap compensation plate 181, so that the vibration is reduced. Can be prevented.

The second horizontal frame 122 may also have a gap compensation member mounting groove 124 formed on one side thereof by cutting a certain length upward from the lower end of the second horizontal frame 122, as shown in the drawing. Although not present, the gap compensation member 180 may be coupled or separated.

Here, the thickness (B) of the gap compensation plate 181 may be variously configured, and the thickness of the gap compensation plate 181 that can minimize the oscillation in consideration of the gap between the ventilation window 100 and the window frame ( B) can be selected.

In order to increase the rigidity of the horizontal frame 120, a plurality of reinforcing pieces 126 may be formed on the other side of the horizontal frame 120, and the reinforcing pieces 126 are It may be formed in the horizontal frame 120 to be spaced apart from each other at a predetermined interval along the longitudinal direction.

Both sides of the horizontal frame 120 are formed with coupling protrusions 125 that are coupled to or separated from the vertical frame 130, and the coupling protrusions 125 protrude downward from the lower surface of the first horizontal frame 121 Is formed, and is formed to protrude upward on the upper surface of the second horizontal frame 122.

The vertical frame 130 includes a first vertical frame 131 that is coupled to or separated from one end of the horizontal frame 120, and a second vertical frame 132 that is coupled to or separated from the other end of the horizontal frame 120 Includes.

On one side of the vertical frame 130, a vibration-proofing net fixing groove 133 is formed in the vertical frame 130 along the longitudinal direction of the vertical frame 130, so that a part of the vibration-proofing net 140 is inserted, and the ventilation window 100 further includes a fixing member 160 inserted into the vibration-proof net fixing groove 133 to fix the dust-proof net 140.

The fixing member 160 includes a base 161 and a pair of pressing portions 162 protruding from both sides of the base 161 and inserted into the anti-vibration net fixing groove 133, and the anti-vibration net fixing groove ( Fixing protrusions 133a are protruding on both sides of the 133.

That is, when the fixing member 160 is inserted into the anti-vibration net fixing groove 133, the pressing part 162 presses the anti-vibration net 140 and the pressing part 162 is elastic by the fixing protrusion 133a. By being deformed, the gap between the pressing parts 162 is narrowed, so that the fixing member 160 can be firmly fixed to the vibration-proof net fixing groove 133 together with the dust-proof net 140.

The fixing member 160 may be made of a known material having elasticity such as plastic resin or rubber to facilitate deformation as described above, and is cut to correspond to the length of the anti-vibration net fixing groove 133 or cut into a plurality of pieces. As a result, it can be inserted into the vibration-proof net fixing groove 133 by being spaced apart from each other at a predetermined interval.

The vertical frame 130 has a frame insertion groove 135 to which the coupling protrusion 125 is coupled or separated on one side of the vibration-proof net fixing groove 133.

Further, guide protrusions 137 are formed along the longitudinal direction of the vertical frame 130 on both sides of the frame insertion groove 135, and slide grooves inserted into the guide protrusions 137 in the coupling protrusion 125 (125a) is formed.

That is, the coupling protrusion 125 is inserted into the frame insertion groove 135 so that the guide protrusion 137 is coupled to the slide groove 125a, so that the horizontal frame 120 is fixed to the vertical frame 130. Can be.

At the end of the frame insertion groove 135, a frame engaging protrusion 136a is bent and formed, and the horizontal frame 120 through the frame engaging protrusion 136a together with the guide protrusion 137 and the slide groove 125a. ) May be more rigidly coupled to the vertical frame 130.

Figures 9a, b are side views and plan views of the wing fixing member shown in Figure 1a in sequence, Figure 10 is a plan view of the rainwater blocking blade shown in Figure 1a, Figure 11 is a section A'-A' shown in Figure 1a Is also.

And, Figure 12a,b is a diagram showing a state in which the rainwater blocking blades shown in Figure 1a are sequentially separated and coupled to the wing fixing member, and Figures 13a to 13c are the rainwater blocking blades shown in FIG. It is a diagram sequentially showing the state that is coupled to.

Referring to FIGS. 1A to 13C, the ventilation window 100 further includes a wing fixing member 170 that is inserted or withdrawn into the frame 110 and on which the rainwater blocking blade 150 is installed.

The vertical frame 130 has a blade fixing member insertion groove 134 through which the blade fixing member 170 is inserted or extracted on the other side based on the vibration-proof net fixing groove 133.

The wing fixing member 170 is in the form of a rod, and the wing fixing member 170 is inserted into the wing fixing member insertion groove 134 and the coupling protrusion 125 is coupled to the frame insertion groove 135. It can be prevented from being pulled out from the wing fixing portion re-insertion groove 134.

The wing fixing member 170 is formed with a plurality of wing holder grooves 171, and the wing holder grooves 171 are spaced apart from each other at a predetermined interval along the longitudinal direction of the vertical frame 130, and the wing fixing member ( 170).

Here, the wing holder groove 171 is formed in the wing fixing member 170 by inclining by a predetermined angle, and the rainwater blocking blade 150 is inclined at a predetermined angle so as to correspond to the wing holder groove 171. It may be coupled to the wing fixing member 170 is spaced apart at a predetermined interval from each other along the longitudinal direction of the wing fixing member 170.

That is, rainwater may be blocked by the rainwater blocking blade 150 inclined by a predetermined angle and disposed in the ventilation hole, and ventilation may be performed through a gap between the rainwater blocking blade 150.

A departure prevention part 173 is bent at an end of the wing fixing member 170 based on the width direction of the wing fixing member 170, and a wing fixing member at the end of the blade fixing member insertion groove 134 The locking protrusion 136b is formed by bending.

That is, the detachment preventing part 173 and the wing fixing part re-engaging protrusion 136b are in close contact with each other, thereby preventing the wing fixing member 170 from being undesirably separated from the vertical frame 130.

The rainwater blocking blade 150 includes a blocking plate 151 disposed in the ventilation hole, and a hook part 152 formed at an end of the blocking plate 151 and coupled to or separated from the wing fixing member 170 can do.

The hook part 152 includes a first hook part 152a formed on one side of the blocking plate 151 and a second hook part 152b formed on the other side with respect to the width direction of the blocking plate 151. Include.

The wing cradle groove 171 has a through hole 172 through which the hook part 152 is inserted or withdrawn, and when the hook part 152 passes through the through hole 172 by an external force, the hook part ( 152 is elastically deformed by the wing holder groove 171 to narrow the gap between the first and second hook portions 152a and b.

Further, when the hook part 152 passes through the through hole 172, the hook part 152 is restored to its original state, so that the hook part 152 is caught and fixed in the wing holder groove 171, so that the rainwater blocking blade 150 may be coupled to the wing fixing member 170.

Separation of the rainwater blocking blade 150 proceeds in the reverse order of the above-described coupling process.

That is, an external force is input to the rainwater blocking wing 150 so that the hook portion 152 is elastically deformed by the wing holder groove 171 so that the gap between the first and second hook portions 152a and b is narrowed. Further, when the hook part 152 passes through the through hole 172, the hook part 152 is restored to its original state, thereby completing the separation of the rainwater blocking blade 150 and the wing fixing member 170.

Here, a rounding portion 152c may be formed in the hook portion 152 so that the hook portion 152 can easily pass through the through hole 172.

The rainwater blocking blade 150 may be made of a known material having elasticity such as plastic resin or rubber to facilitate deformation as described above.

14 is a microscopic photograph of a net-shaped screen fabric formed of polyester thread, FIG. 15 is an electron microscopic image of a nanofiber web, and FIG. 16 is a schematic diagram showing a cross-sectional structure of the dustproof net shown in FIG. 2A.

In addition, FIG. 17 is a view showing an electrospinning method for manufacturing a nanofiber web, FIG. 18 is an SEM image of the anti-vibration net shown in FIG. 2A, and FIG. 19 is an SEM image of a nanofiber web containing titanium dioxide.

1 to 19, the anti-vibration net 140 is a net-shaped screen fabric 1 formed of a polyester thread coated with an electrostatic polymer resin, a nanofiber web 2 having a pore size of 0.1 to 100 um, and The protective fabric 3 may be sequentially stacked and manufactured.

The charging polymer resin is applied to electrostatically collect fine dust and/or yellow dust by having the filament yarn charging property. However, when the fiber itself has an electrification property and has a certain strength, it is understood that the embodiment in which the charging polymer resin is not coated is also applicable to the present invention.

According to an embodiment of the present invention, a polyester yarn coated with a charged polymer resin may be obtained by coating a polyester yarn using a charged polymer coating solution and/or powder.

The chargeable polymer coating solution of the present invention contains 5 to 20 parts by weight of a chargeable polymer, 5 to 30 parts by weight of a binder, 40 to 80 parts by weight of water or an organic solvent or a mixed solvent thereof, and 1 to 2 parts by weight of a slip and leveling additive. .

Here, as the charging polymer, polyvinyl chloride, polyaniline, polypyrrole, polythiophene, poly(3,4-ethylenethiophene) or derivatives thereof may be used. In particular, Germany H.C. Baytron PH from stock can be used.

As the binder, polyvinyl acetate, polycarbonate, polyacrylate, polybutylate, polyether, polyester, polyurethane, polyacrylic-urethane copolymer binder, and the like can be used.

In addition, in the case of the charged polymer powder of the present invention, a charged polymer polyaniline or polypyrrole powder may be prepared and prepared by adding 2 to 30 parts by weight to polypropylene or polyethylene resin. In the case of the electrostatic polymer powder, it can be prepared by manufacturing methods such as Korean Patent Nos. 318153 and 374719.

On the other hand, nanofibers are a material that exhibits high performance throughout the industry, and applications of nanomaterials such as filters using nonwoven fabrics, miniaturization of electronic devices, high functionality, and use of biological tissues are increasing. The application of nanomaterials for this is gradually increasing. Accordingly, high-functional nanofibers are expected to grow high in the future as demand increases.

Nanofibers can be mainly manufactured by field spinning, and this field spinning method discovered in 1795 that when Bose applied a high voltage to a water drop suspended at the end of a capillary tube, an electrostatic spray phenomenon in which fine filaments were released from the water drop surface due to surface tension. It started with, and it is a phenomenon in which fibers are formed when electrostatic force is applied to a polymer solution or melt with viscosity. The diameter of the fiber produced by electric field spinning can produce a wide range of fibers ranging from small-thick fibers composed of polymer chains of 10 or less per cross-sectional area to the thickness of conventional textile fibers, and will continue to be demanded in the fields of nanoscience, material science, and life science. Is expected to increase rapidly.

Nanomaterials have dimensions of at least 100 nm or less, and in the case of textile fibers, they can be defined as one-dimensional flexible solid nanomaterials having a diameter of 100 nm and an aspect ratio of 100: 1 or more. Microfiber is a fiber that has been contracted and processed thinner than one hundredth of the thickness of a human hair, and has been used as the term microfiber. In recent years, as the technology related to nanomaterials rapidly develops, fiber materials that are thinner and thinner than conventional microfibers are being developed, and recently, fibers with a thickness of 1micrometer or less are used as a new standard for microfibers, and this is called nanofiber.

The nanofiber manufacturing technology directly manufactures fibers having a nano-sized fiber diameter, and is manufactured by composite spinning, nonwoven spinning, and direct spinning. Existing functions can be greatly improved by controlling the size of the fiber to a nano size, and its use is expanding not only for clothing, but also for filters, energy storage materials, and medical use. In a strict sense, nanofiber refers to a fiber with a diameter of 1 nm to 100 nm, but the use of these fibers is extremely limited in the textile industry, so the diameter of the fiber is 1 for differentiation from microfibers called microfibers. It refers to fibers that are less than or equal to µm.

The recently mentioned nanofiber generally refers to a fiber manufactured by electrospinning or an improved method, and can be broadly divided into a nano-spinning field and a nanostructured fiber field according to a manufacturing method. In general, the finer the fiber, the lower the productivity.

Electrospinning is a method of manufacturing using the difference in charge, and is gaining attention as a technology capable of manufacturing ultra-fine polymer fibers that cannot be processed by other methods. It is a relatively simple and easy method to produce fibers with a diameter of a nanometer to a submicron from a solution or melt of a polymer, ceramic, composite material, metal, etc. In the electrospinning device, at the end of a capillary tube positioned vertically, that is, at the spinning protrusion, the polymer solution equilibrates between gravity and surface tension to form hemispherical droplets and hangs.

At this time, when an electric field is applied, a force opposite to the surface tension is generated, and the hemispherical droplet is stretched in a conical shape, and when the electric field exceeds a certain strength, the jet of the charged polymer solution is continuously released from the Taylor cone while overcoming the surface tension. . In the case of electric field radiation, the cone angle is about 30 degrees. When a higher voltage is applied, jets are formed from the deformed droplet.

This jet moves in the direction of the opposite electrode and becomes thinner. The solvent evaporates while heading to the counter electrode, and solid fibers ranging in diameter from micrometers to nanometers are precipitated as it is directed to the counter electrode at high speed.

The field spinning apparatus is very simple, but the fiber spinning mechanism under the influence of an electric field is very complicated. The key to field emission is to create a continuous jet by immobilizing an electric charge on the surface of a suspended droplet. The field emission process can be divided into five main steps.

1) the addition of electric charges of the hanging drops,

2) formation of a cone-jet,

3) thinning of the stabilizing jet,

4) reduction in diameter to nanometer size through growth of jet stability, and

5) Fiber collection in various forms.

After the unstable liquid filaments are stretched to form nanometer-sized fibers and solidify, fibers are accumulated on the collector. The liquid jet must maintain adequate viscoelasticity to maintain the fiber shape during spinning and stretching. Types of nanofibers include polymeric nanofibers, carbon nanofibers, and other nanofibers.

Polymer is the earliest developed nanofiber material, and started with the development of field spinning, the most common nanofiber manufacturing method. In the early 1980s, Donaldson produced the world's first field-spun nanofibers of 500 nm or less and applied it to the air filter market. Various polymers have been developed as raw materials, and most commercial polymers can be applied as nanofibers.

According to an embodiment of the present invention, a nanofiber web may be formed by spinning a nylon resin in the form of a nanofiber with a nano-spinning device on a screen. At this time, the radiation amount of the nanofibers per unit area (1㎡) is appropriately about 1 to 10 g, and optimally, about 1 to 3 g can obtain good results.

The protective fabric has a mesh structure knitted or woven with monofilament yarns, and the unit mesh constituting the mesh structure has a polygonal structure of four or more squares. The protective fabric is laminated on the nanofiber web layer to prevent separation of the nanofiber web layer and improve the wear strength of the multilayer filter. In addition, the protective fabric is treated to have an electrification property to help collect fine dust and/or yellow dust.

The protective fabric is knitted or woven with monofilament yarn. When the protective fabric is knitted or woven using braid, there may be a problem in that the braid is unwound and peeled while the multilayer filter is used. However, the monofilament yarn has a smaller surface area than the ply yarn, so its adhesion to the screen fabric/nanofiber web layer is weaker than that of the ply yarn, so the cross section of the monofilament yarn is made in the form of a triangular, C-shaped, and Y-shaped cross-section. Thus, the adhesion of the monofilament yarn can be supplemented.

The monofilament yarn constituting the protective fabric may be manufactured from synthetic fibers that are easily electrostatically charged, for example, one or more selected from the group consisting of polyolefin, polyester, and polyamide. In addition, the monofilament yarn may have a thickness of 1 to 100 μm and may be woven or knitted to have an eye size of 10 to 30 mesh, but the thickness and the eye size are not limited thereto.

The unit mesh constituting the protective fabric may have a polygonal shape of more than a square. In the multilayered dustproof network according to the present invention, the nanofiber web layer is located between the charging mesh substrate and the protective material, but the nanofiber web layer is formed of very thin nanofibers and the basis weight thereof is also relatively small, so that the protective fabric is not only charged with the nanofiber web layer but also There is a part in direct contact with the castle mesh substrate, and in order to increase the durability of the dustproof net, it is preferable that the protective fabric is firmly attached to the insect screen and the nanofiber web layer.

Therefore, it is necessary to increase the area in which the protective fabric is in contact with the nanofiber web layer and the screen fabric. To this end, when monofilament yarns are knitted or woven so that the unit mesh constituting the protective fabric has a polygonal shape of more than a square, it is possible to obtain a structure with four or more contact points with the protective fabric per mesh of the charging mesh base material. Becomes higher. As a result, efficient management of the dustproof net becomes possible.

The protective fabric can also be treated to have an electrifying property. To this end, the monofilament yarn used for the protective fabric may be previously treated with an electrostatic material, or the protective fabric knitted or woven with the monofilament yarn may be treated with the electrostatic material. Non-limiting examples of electrostatic materials include Calixarenes.

According to an embodiment of the present invention, the nanofiber web may contain photocatalytic microparticles, and titanium dioxide may be preferably used.

In order to create a more comfortable indoor air environment, a method of removing pollutants using the photoactivity of a photocatalyst can be applied, and among them, titanium dioxide photocatalyst is in the spotlight as an eco-friendly material that converts light energy into chemical energy at room temperature. . Titanium dioxide photocatalyst reacts with oxygen and moisture to generate complex oxygen ions, and these complex oxygen ions act to decompose and remove VOCs and formaldehyde generated from indoor building materials and furniture. In addition, it has excellent effects such as antibacterial, antifungal, antibacterial, and antiviral, creating a clean living environment. As a method for improving photoactivity, a method of converting titanium dioxide into ultrafine particles in nano units and a method of adding metals such as platinum, silver, and nickel to titanium dioxide may be considered.

The anti-vibration net 140 is a nanofiber having a pore size of 0.1-100 um so as to block fine dust by spinning nanofibers on one side of the net-shaped screen fabric 1 formed of polyester yarn coated with a chargeable polymer resin. After the web 2 is formed, an additional protective fabric 3 on which a hot melt resin is partially applied is overlaid on the nanofiber web 2 and passed through a heat bonding roller, so that the spun nanofiber web 2 is applied to the hot melt resin. It can be manufactured so that it can be firmly adhered to the polyester fabric.

To allow the spinning-coated nano-sized nanofiber web to adhere to the surface of the screen fabric, the protective fabric (3) is overlaid on the spun nanofiber web, and then the whole is passed through a heat-adhesive roller capable of heat-adhesion. The hot melt resin applied to the upper and lower fabrics by the heat of the rollers melts by the heat to fuse the insect screen fabric, the nanofiber web layer, and the protective fabric, thereby forming a solid dustproof net. In other words, the nano-radiated dustproof layer is firmly attached between the two polyester fabrics, thereby finally completing the complete dustproof net. The finished anti-vibration net is wound by a winder and wrapped in a roll form, so that it can be processed to the required length and width.

On the other hand, the above embodiment presents an example of the material constituting the dust-proof net 140, as the screen fabric constituting the dust-proof net, various types other than metal materials, that is, polyethylene, polypropylene, nylon, natural cotton yarn including polyester Any material that can form a network, such as artificial silk yarn, can be used, and nano-spun materials include nylon, Polyvinylidene Fluoride (PVdF), Polyvinyl Alcohol (PVA), Polyethylene Oxide (PEO), Polyurethane (PU/TPU). ), Polyaniline(PA), Polysulfone(PSU/PES), Polyacrylonitrile(PAN), Polybenzimidazole(PBI), Polyimides(PI), Polystirene(PS), Polyvinyl Chloride(PVC), PGA, PLA, PCL, Silk, Collagen, Since all materials capable of spinning in the form of nanofibers, such as Cellusose Acetate, can be used, the material for making the dustproof net according to the present invention is not limited to this embodiment.

Hereinafter, the present invention will be described in more detail through examples according to an embodiment of the present invention, but these do not limit the scope of the present invention.

[Example]

1. Manufacture of antistatic screen fabric

A filament yarn having a diameter of 0.4 mm was prepared by coating a polyester yarn with polyvinyl chloride, and a mesh was produced at a ratio of 50 WP and 50 WF per inch and a basis weight of about 30 g/m 2. The thickness of the mesh was 130±5 μm, the gap was 420±10 μm, and the aperture ratio was 65±1.6%.

2. Formation of nanofiber web layer

Prepare a polymer solution by dissolving polyvinylidene fluoride in a 50:50 wt% mixed solvent of dimethylformamide and acetone, and then spun on the polyester mesh prepared by electrospinning at a basis weight of 1.5 g/m 2, and a nanofiber web layer Formed. Thereafter, a 10% solution of titanium dioxide was sprayed.

3. Manufacturing of protective fabric

Using a 10 μm-thick polyethylene terephthalate monofilament yarn, a protective fabric was knitted in a mesh structure so that the unit mesh had a hexagonal shape.

[Example 1] Preparation of a dustproof net

Polyurethane as a binder resin was partially coated on the surface of the protective fabric in an amount of 1 g/m 2, laminated on the antistatic screen fabric on which the nanofiber web layer was formed, passed through a heat-sealing roller, and securely fixed to prepare a dustproof net.

[Comparative Example 1]

A dustproof net was manufactured in the same manner as in Example 1, except that a titanium dioxide spray was not used.

[Comparative Example 2]

A dustproof net was prepared in the same manner as in Example 1, except that the polyvinyl chloride was not coated on the screen fabric and the titanium dioxide spray was not used.

The properties of the manufactured dustproof net were evaluated as follows.

Example 1 Comparative Example 1 Comparative Example 2 Air permeability (cm3/㎠/s) 428.0 408 405 Dust collection efficiency (%) 92.8 89 88

As shown in Table 1, it can be seen that the air permeability and dust collection efficiency are significantly improved compared to Comparative Example 1 that does not contain a titanium dioxide photocatalyst or Comparative Example 2 that is not coated with a charging resin. .

As described above, the ventilation window according to an embodiment of the present invention may block the inflow of external pollutants such as fine dust, ultrafine dust, and yellow dust.

In addition, it is possible to prevent rainwater from flowing into the interior when it rains.

As described above, an optimal embodiment has been disclosed in the drawings and specifications. Although specific terms have been used herein, these are only used for the purpose of describing the present invention, and are not used to limit the meaning or the scope of the present invention described in the claims. Therefore, those of ordinary skill in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

100: ventilation window 110: frame
140: anti-vibration net 150: rainwater blocking wing
170: wing fixing material 180: gap compensation member

Claims (7)

A frame in which a ventilation hole is formed inside, consisting of a pair of horizontal frames that are spaced apart from each other at regular intervals and installed on a window, and a pair of vertical frames that are disposed between the horizontal frames and are coupled or separated on both sides of the horizontal frame;
A dustproof net disposed in the ventilation hole;
Wing fixing members respectively installed on the pair of vertical frames; And
A plurality of rainwater blocking blades comprising a blocking plate disposed in the ventilation hole and a hook portion formed at both ends of the blocking plate and installed on the wing fixing member;
Including,
The wing fixing member,
A plurality of wing cradle grooves in which through holes through which the hook portion is drawn in or out is formed are inclined by a predetermined angle and are formed to be spaced apart from each other at predetermined intervals along the length direction of the vertical frame,
The hook part,
A first hook part formed on one side of the blocking plate based on the width direction of the blocking plate; And
A second hook part formed on the other side of the blocking plate so as to face the first hook part based on the width direction of the blocking plate;
Including,
The first hook portion and the second hook portion,
When entering the through hole, the gap between each other is narrowed by being caught in the through hole,
Ventilation window capable of blocking the inflow of fine dust and rainwater which is restored to its original state after passing through the through hole and fixed by being caught in the wing holder groove.
delete The method of claim 1,
A vibration isolating net fixing groove is formed in the frame along the longitudinal direction of the frame, so that a part of the vibration isolating net is inserted,
Ventilation window capable of blocking the inflow of fine dust and rainwater further comprising a fixing member that is inserted into the dustproof net fixing groove and fixes the dustproof net.
delete The method of claim 1,
The rainwater blocking blade,
Ventilation windows that are inclined at a certain angle and are spaced apart from each other at regular intervals along the longitudinal direction of the wing fixing member to block the inflow of fine dust and rainwater coupled to the wing fixing member.
delete The method of claim 1,
The above dustproof net,
A ventilation window capable of blocking the inflow of fine dust and rainwater produced by sequentially stacking a net-shaped insect repellent fabric formed of polyester yarn coated with an electrostatic polymer resin, a nanofiber web with a pore size of 0.1-100 um, and a protective fabric.

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