KR101946357B1 - A protection against dust and mosquito net for natural ventilation - Google Patents

Abstract

The present invention relates to a dust-proof and insect-proof net for natural ventilation capable of securing view and removing fine dust, capable of blocking insects and fine dust from entering a room. According to an embodiment of the present invention, the dust-proof and insect-proof net for natural ventilation capable of securing view and removing the fine dust includes: a first filter net and a second filter net having porosity to prevent the fine dust and the insect from intruding and to collect the fine dust by static electricity generated by triboelectrification between the first filter net and the second filter net; a filter frame formed along an inner periphery thereof with filter fixing grooves to which the first and the second filter nets are fitted to install the same on a window frame; and a spacing member having a first groove to which the first filter net is fitted and a second groove to which the second filter net is fitted, in which the first and second grooves are formed in opposite directions, to fixedly fit the first and the second filter nets into the filter fixing grooves so that the first and second filter nets are spaced apart from each other. Therefore, a sense of openness is improved due to high transparency, and the fine dust is removed by dust collecting properties due to the triboelectrification.

Description

Technical Field [0001] The present invention relates to a dust protection screen for natural ventilation,

The present invention relates to a dustproof screening net for natural ventilation which is capable of preventing penetration of insects and fine dust into the room and removing minute dust.

Generally, a window is opened to allow ventilation, and a window screen is provided with a screen net formed of a grid-shaped wire net to prevent inflow of pests when the window is opened.

However, the insect screen only blocks inflow of insects, and does not filter dust generated from the outside, so that the contaminated air flows into the room as it is, and indoor air quality is lowered.

In order to solve this problem, a "yellow sand cleaning net" of Korean Patent Laid-Open Publication No. 10-2018-0040750 (published on April 23, 2018) has been disclosed.

The conventional yellow sand cleaning net has a network structure composed of synthetic fiber filament yarns, and the synthetic fiber filament yarns are electrostatically charged to collect yellow dust or fine dust particles in the air by electrostatic force, 1012 to 1015 Ω.

Such a conventional dust net cleaning net can prevent penetration of insects and prevent the passage of fine dust such as yellow dust.

However, the conventional dust net cleaning net has a network structure in which a synthetic fiber filament yarn is woven, causing a problem in that it is shaken due to wind and accumulates fatigue easily and is easily broken. Also, There was a problem that could not be filtered out.

Also, the dust net clean net is made of synthetic fiber filament yarn, and not only the dustiness due to the triboelectric charging is not high but also the openness is lowered because the perspective is not high.

In addition, there is a problem that the synthetic fiber filament yarn is easily broken so that it is not easy to install on the frame, and there is a problem that it is difficult to control the interval of the synthetic fiber filament yarns in which optimum charging occurs.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a high- And it is an object of the present invention to provide a vibration damping screen inspecting net for natural ventilation which is capable of improving the dust collecting performance of fine dusts and capable of easily cleaning and removing fine dusts.

According to an embodiment of the present invention, there is provided a dust-screening insect-control net for natural ventilation, which is capable of purifying dust and fine dust according to an embodiment of the present invention to prevent micro dust and pest infiltration, And a filter fixing groove in which the first filter network and the second filter network are sandwiched are formed along the inner circumference of the first filter network and the second filter network, And a second groove in which the first filter net is fitted and the second groove in which the second filter net is fitted are formed in a direction in which the first groove and the second filter net are sandwiched between the first filter net and the second filter net, And a spacing member for fitting and fixing the filter nets to the filter fixing grooves so as to be spaced apart from each other.

The first filter network and the second filter network may be polarized by a dipole.

And a pressing member inserted in the filter fixing groove in which the spacing member is fitted to press the spacing member to prevent the first filter network and the second filter network from being separated.

The first filter network or the second filter network may include a porous nano-web formed by electrospinning, a forming net for forming the nano-web and reinforcing the rigidity of the nano-web, And a protective net for protecting the nano web, wherein the protective net and the forming net are formed as a transparent body so as to be seen through the net.

The nano-web is a ferroelectric polymer material having a high electrostatic property due to triboelectrification, and is made of a material selected from the group consisting of polyacrylonitrile (PAN), polyvinyl pyrrolidone (PVP), polyether amide (PEI), polymethyl methacrylate (PMMA) (PC), poly (lactic acid) (PLA), and nylon 6 may be contained in the resin composition of the present invention. Examples of the thermoplastic resin include polyvinylidene fluoride (PVDF), polyvinylidene fluoride (PVDF), polyvinylidene fluoride

The first filter net or the second filter net may include a coating layer coated with a photocatalyst to easily clean fine dust collected by static electricity.

A wind inlet formed in the filter frame so that the first filter net and the second filter net can easily flow and rub against each other by the wind to allow wind to flow between the first filter net and the second filter net, And a wind blowing hole formed through the spacing member so as to guide the wind introduced into the inlet port between the first filter net and the second filter net.

According to the present invention, the relatively weak nano web constituting the first filter network and the second filter network is reinforced by the forming net and the protection net, so that the first filter net and the second filter net Damage can be minimized.

In addition, the first filter net and the second filter net are fixed to the filter frame by the spacing member and the fixing member, so that fabrication is easy and firmly fixed.

In addition, the first filter net and the second filter net are formed of a material having high spontaneous polarizability, and are installed in the filter frame in a polarized state through the dipoles, thereby improving the electrostatic effect due to the triboelectric charging, .

In addition, there is an advantage that a coating layer formed by a photocatalyst is formed on the first filter net and the second filter net, thereby facilitating washing.

Further, the protective net, the forming net, and the nano web are formed of a light-transmitting material, thereby improving the perspective and improving the open feeling.

In addition, the interval between the first and second filter nets can be adjusted by the fixing member so that the optimum electrostatic effect can be generated.

FIG. 1 is an exploded perspective view of a dustproof screening net for natural ventilation according to an embodiment of the present invention. FIG.
FIG. 2 is a side cross-sectional view of a dustproof insecting net for natural ventilation which is capable of penetrating and removing fine dust according to an embodiment of the present invention.
3 is a side cross-sectional view schematically illustrating the configuration of a first filter network and a second filter network of a dustproof screening network for natural ventilation, which is capable of sighting and fine dust removal according to an embodiment of the present invention.
FIG. 4 is a side cross-sectional view enlarging one end portion of a dustproof insecting net for natural ventilation, which is capable of penetrating and removing fine dust according to an embodiment of the present invention.
FIG. 5 is a side cross-sectional view of an enlarged view of one end portion of a dustproof screen for natural ventilation, which is capable of sighting and fine dust removal according to another embodiment of the present invention.
FIG. 6 is a view showing a state in which the interval between the first filter net and the second filter net is adjusted by the fixing member in FIG. 5; FIG.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

1 to 3 are diagrams illustrating a dust and dirt screening network 100 for natural ventilation according to an embodiment of the present invention. The dust and dirt screening network 100 includes a first filter network 110 and a second filter network 120 .

The first filter net 110 and the second filter net 120 can prevent infiltration of fine dust and pests.

The first filter net 110 and the second filter net 120 may be formed of a porous material so that foreign matter can be filtered through the wind. It is possible to collect fine dust in a form that generates a static electricity by mutual friction by the coming wind.

The first filter network 110 or the second filter network 120 may include nano webs 111 and 121, forming nets 113 and 123 and protective nets 115 and 125.

The nano webs 111 and 121 may be formed by electrospinning the nano webs 111 and 121 formed in a net shape and integrating fibers having nano diameter. The nano webs 111 and 121 may have a porous structure, You can filter.

The nano webs 111 and 121 are formed on the forming nets 113 and 123 and the protective nets 115 and 125 for protecting the nano webs 111 and 121 are attached to the formed nano webs 111 and 121 by laminating them. The second filter network 120 may be configured.

The nano-webs 111 and 121 may be formed of a light-transmissive material so as to have a high degree of perspective, and the thickness of the nano-webs 111 and 121 may be determined according to a desired perspective.

The nano webs 111 and 121 constituting the first filter network 110 and the nano webs 111 and 121 constituting the second filter network 120 may be formed of different materials so as to enhance triboelectric chargeability, The nano webs 111 and 121 may have optical transparency so that light can be transmitted.

The nano webs 111 and 121 constituting the first filter network 110 or the second filter network 120 may be a ferroelectric polymer material having high spontaneous polarizability so as to improve the electrostatic effect.

The ferroelectric polymer materials with high spontaneous polarizability are selected from the group consisting of polyacrylonitrile (PAN), polyvinyl pyrrolidone (PVP), polyether amide (PEI), poly (PMMA), polytetrafluoroethylene (PTFE), polyvinylidene fluoride (PVDF), polybenzimidazole (PBI), polycarbonate (PC), polylactic acid (PLA) It may be any one or a mixture of two or more.

Since the nano webs 111 and 121 are formed of a material having high spontaneous polarizability, when the first filter net 110 and the second filter net 120 pass between the dipoles, the first filter net 110 ) And the second filter net 120 are polarized by the positive charge on the one surface and the negative charge on the other surface to improve the electrostatic effect due to the triboelectrification.

The nano webs 111 and 121 may be formed in a predetermined thickness on the upper surfaces of the forming nets 113 and 123 and may be formed in the forming nets 113 and 123. The forming nets 113 and 123 may be formed of synthetic resin, 113, and 123 are formed of a transparent body so that a rear object can be seen through.

The forming nets 113 and 123 can function to reinforce the rigidity of the nanofibers 111 and 121 in which the fibers are integrated.

The protection nets 115 and 125 may be made of a synthetic resin in the form of a net so that air can pass through the nano webs 111 and 121 as well as the forming nets 113 and 123. The nano webs 111 and 121 formed on the molding na- can do.

The protection nets 115 and 125 may be laminated on the upper surfaces of the nano webs 111 and 121 by a method such as thermal fusion, ultrasonic fusion, or the like.

In one embodiment, the protection nets 115 and 125 and the forming nets 113 and 123 are formed of synthetic resin, but they may be formed by weaving in a nonwoven fabric or fiber form.

In addition, the first filter network 110 and the second filter network 120 may include coating layers 117 and 127.

The coating layers 117 and 127 are formed on the outer surfaces of the first filter net 110 and the second filter net 120 so as to easily clean the foreign substances that are adsorbed on the first filter net 110 and the second filter net 120, As shown in FIG.

Meanwhile, the coating layers 117 and 127 may be formed by coating a photocatalyst so that the foreign matters filtered by the first filter net 110 and the second filter net 120 can be easily removed by photochemical reaction.

Here, the first filter network 110 and the second filter network 120 may induce polarization to occur after coating the photocatalyst and finally passing through the dipole.

The first filter network 110 and the second filter network 120 are spaced apart from each other by a predetermined interval (approximately several millimeters) and generate triboelectric charges by wind to generate static electricity. The second filter network 110 and the second filter network 120 are arranged such that the polarities of the charges aligned by the dipole face each other, and generate static electricity due to mutual charging.

As shown in FIGS. 1 to 3, the dustproof screen 100 for natural ventilation according to an embodiment of the present invention may include a filter frame 130.

The filter frame 130 can install the first filter network 110 and the second filter network 120 on the window frame.

The first filter net 110 and the second filter net 120 may be fixed to the filter frame 130 at a central portion of the filter frame 130 passing through the front of the filter frame 130, The window can be opened and closed by sliding along the window frame while being fitted to the window frame.

A rail groove 133 may be formed at the upper and lower ends of the filter frame 130 so as to be fitted to the rail formed on the window frame. The first filter net 110 and the second filter A filter fixing groove 131 in which the net 120 is inserted may be formed along the inner circumference.

Although not shown in the drawing, the rail groove 133 may be provided with a roller so that the filter frame 130 can be easily opened and closed along the rail.

The filter fixing groove 131 is formed so as to be wider and wider outside than the inner side of the filter frame 130 so that the separating member 140 to be described below, (131).

As shown in FIGS. 1 and 4, the dustproof screen 100 for natural ventilation, which is capable of penetrating and removing fine dust, according to an embodiment of the present invention includes a spacing member 140 and a fixing member 150 .

The spacer 140 may be fixed in a state where the first filter net 110 and the second filter net 120 are spaced apart from each other in the filter frame 130.

The first groove 141 and the second groove 141 are formed at one side of the separating member 140 so that the end of the first filter net 110 is inserted into the separating member 140, A second groove 142 in which the end of the second filter net 120 is inserted is formed in the opposite direction to the first filter net 110. The first filter net 110 is located at one side of the spacing member 140, The second filter network 120 may be spaced apart from the first filter network 110 in a manner that the second filter network 120 is located.

The first grooves 141 and the second grooves 142 are formed in a direction opposite to the direction in which the first filter net 110 and the second filter net 120 are installed The first filter net 110 and the second filter net 120 may be configured so as to surround a part of the circumference of the spacer 140.

The spacing members 140 are formed of a material having elasticity and are compressed so that the first filter net 110 and the second filter net 120 sandwiched between the first groove 141 and the second groove 142, So that it can be firmly supported and fixed.

The spacing members 140 may be fitted in the filter fixing grooves 131 of the filter frame 130 so that the first filter net 110 and the second filter net 120 may be fixedly installed. The first filter net 110 and the second filter net 120 can be supported on the slopes of the filter frame 130 by being fitted into the filter fixing grooves 131 formed on the respective sides of the filter frame 130.

The fixing member 150 is fitted in the filter fixing groove 131 to prevent the separation member 140 fitted in the filter fixing groove 131 from being separated from the fixing member 150. The fixing member 150 is spaced apart from the filter fixing groove 131 It is possible to prevent the separation member 140 from being separated from the filter fixing groove 131 by filling the remaining empty space filled with the member 140.

The fixing member 150 may be formed of a material having a hardness enough to press and fix the spacing member 140. The fixing member 150 may be formed of a material It may be sandwiched on either side or may be sandwiched on both sides.

The operation and effects of the above-described respective structures will be described.

The vibration damping screen 100 for natural ventilation according to an embodiment of the present invention is formed by electrospinning the nano webs 111 and 121 in the forming nets 113 and 123 and the upper surfaces of the nano webs 111 and 121 The first filter network 110 and the second filter network 120 are formed in such a manner that the protection networks 115 and 125 are laminated and attached to each other.

The first filter network 110 and the second filter network 120 form coating layers 117 and 127 on the outer surfaces of the first filter net 110 and the second filter net 120 by spraying a photocatalyst, The first filter network 110 and the second filter network 120 are passed through the dipoles to induce a polarization in the first filter network 110 and the second filter network 120 so that the electrostatic properties of the first filter network 110 and the second filter network 120 are improved .

When the first filter net 110 and the second filter net 120 are fabricated, the first filter net 110 is sandwiched by the first grooves 141 and the second filter net 120 is sandwiched between the second grooves 141, The separating member 140 is inserted into the filter fixing groove 131 of the filter frame 130 while the separating member 140 is sandwiched between the first filter net 110 and the second filter net 130 The fixing member 150 is inserted into the remaining empty space of the filter fixing groove 131 so that the fixing member 150 is fixed.

The sides of the first filter net 110 and the second filter net 120 are inserted into the filter fixing groove 131 by the spacing member 140 and the fixing member 150 and fixed to the filter frame 130, The vibration damping screen 100 for the natural ventilation is installed and the rail groove 133 of the filter frame 130 is inserted into the rail of the window frame.

When the wind is blown by the natural ventilation dustproof screening network 100 installed in the window frame, the wind passes through the first filter net 110 and the second filter net 120 while the wind is transmitted through the nano webs 111 and 121, The second filter net 110 and the second filter net 120 are frictionally charged with each other by wind to generate static electricity, and the fine dust is collected by the static electricity, So that fresh air can be supplied to the room.

Since the first filter net 110 and the second filter net 120 are formed of a ferroelectric material and the dipoles are in a polarized state, the frictional electrification ratio is increased to improve the electrostatic property when they are in mutual friction, Can be improved.

Also, since the first filter net 110 and the second filter net 120 are formed as a transparent body and the outside is seen through, the open feeling can be ensured.

Therefore, in the dustproof screen 100 for natural ventilation according to an embodiment of the present invention, the first filter net 110 and the second filter net 120 are formed of nano webs 111 and 121 The first filter net 110 and the second filter net 120 are triboelectrically charged by wind to generate static electricity so that the fine dust particles can be removed from the fine dust particles, The removability can be further improved.

The first filter net 110 and the second filter net 120 are spaced apart from each other by the spacing member 140 so that the filter frame 130 is easily installed. The first filter net 110 and the second filter net 120 can be firmly fixed.

In addition, the first filter net 110 and the second filter net 120 can prevent damage to the nano webs 111 and 121 having relatively low rigidity by protecting the nano webs 111 and 121 by the forming nets 113 and 123 and the protective nets 115 and 125, Can be minimized.

In addition, the first filter network 110 and the second filter network 120 may be formed as a transparent body to improve the transmittance.

In addition, the first filter net 110 and the second filter net 120 are coated with a photocatalyst, which is advantageous in that the collected foreign matter and the filtered foreign matter can be easily cleaned.

Hereinafter, a dustproof screening net 100 for natural ventilation, which is capable of penetrating and removing fine dust according to another embodiment of the present invention, will be described. In the other embodiments, the same components as those in the embodiment are denoted by the same reference numerals, and the same components have the same functions and effects, and a detailed description thereof will be omitted.

5 and 6, the vibration damping screen 100 for natural ventilation according to another embodiment of the present invention is provided with a filter frame 130, a filter fixing groove 131, 150).

The filter frame 130 may be formed with a wind inflow port 135 through which wind is blown to the outside.

The wind inlet 135 may be formed at a portion of the filter frame 130 located outside the window and the wind inlet 135 may be formed to be opened to allow wind to flow into the filter frame 130.

The filter frame 130 is provided with a wind guide 132 for guiding the wind introduced into the wind inlet 135 to the filter fixing groove 131 so as to be introduced between the first filter net 110 and the second filter net 120. [ A portion 137 can be formed.

At this time, the filter fixing groove 131, that is, the filter fixing groove 131 located inside the filter frame 130, is provided with the guide groove 137 so that the wind guided from the wind guiding portion 137 can be introduced into the filter fixing groove 131 An open groove inlet can be formed.

The spacing member 140 is provided with a first groove 141 and a second groove 142 between the first filter net 110 and the second filter net 120 so that the air flowing into the inlet port can be provided between the first filter net 110 and the second filter net 120. [ The air blow holes 145 may be formed.

The wind that flows into the filter frame 130 through the wind inflow hole of the filter frame 130 flows into the filter fixing groove 131 through the wind guide portion, And is introduced into the first filter net 110 and the second filter net 120 through the injection hole 145.

Accordingly, since the wind passing between the facing surfaces of the first filter network 110 and the second filter network 120 passes through the first filter network 110 and the second filter network 120 with irregular pressure, The vibration of the filter net 110 and the second filter net 120 may be weighted to improve the electrostatic effect due to the triboelectrification.

The fixing member 150 can adjust the distance d between the first filter net 110 and the second filter net 120 according to the position where the fixing member 150 is coupled in the filter fixing groove 131. [

For example, the filter fixing groove 131 is formed in a circular shape having a diameter larger than the diameter of the spacer 140, and the fixing member 150 is formed to be sandwiched between the spacer 140 and the filter fixing groove 131 Lt; / RTI >

A plurality of toothed grooves 132 are formed on the inner circumference of the filter fixing groove 131 and a plurality of teeth 151 are formed on the outer surface of the fixing member 150 to be engaged with the toothed grooves 132 have.

At this time, the tooth grooves 132 are formed at intervals of 1 mm so that the position of the fixing member 150 is changed in units of 1 mm so that the interval d between the first filter net 110 and the second filter net 120 is set to 1 mm .

Of course, the toothed grooves 132 may be smaller than 1 mm units to adjust the finer spacing d, and may be formed larger than 1 mm units to adjust to a larger spacing d.

The fixing member 150 is fixed to the first filter net 110 and the second filter net 120 where the first filter net 110 and the second filter net 120 are in contact with each other, A cut preventing portion 153 having a curved surface that flares outwardly so as not to be damaged by a portion supported by the member 150 may be further formed.

The fixing member 150 according to another embodiment configured as described above can adjust the position of the teeth 151 that fit in the toothed groove 132 and fit the fixing member 150 into the filter fixing groove 131, The distance d between the first filter network 110 and the second filter network 120 can be adjusted.

For example, when the fixing member 150 is inserted into the filter fixing groove 131 so that the distance between the fixing members 150 sandwiched between the first filter net 110 and the second filter net 120 And the fixing member 150 is inserted into the filter fixing groove 131 so that the distance between the fixing member 150 and the filter fixing groove 150 is narrowed, the first filter net 110 and the second filter net 120 are separated from each other, The distance d between the first and second electrodes may be widened.

Accordingly, in addition to the effect of the embodiment, the dustproof screen 100 for natural ventilation according to another embodiment of the present invention is capable of removing dust and fine dust, and the wind can be supplied to the first filter net 110 through the wind inflow hole formed in the filter frame 130, The first filter net 110 and the second filter net 120 are caused to flow through the surfaces of the first filter net 110 and the second filter net 120, The electrostatic effect can be improved.

The distance d between the first filter net 110 and the second filter net 120 is adjusted according to the position at which the fixing member 150 is fitted, have.

While the present invention has been particularly shown and described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, And all changes and modifications to the scope of the invention.

100: Natural ventilation dustproof screening net 110: First filter net
111, 121: Nano web 113, 123:
115, 125: Protective net 117, 127:
120: second filter network 130: filter frame
131: filter fixing groove 132: tooth groove
133: rail groove 135: wind inlet
137: wind guide part 140: spacing member
141: first groove 142: second groove
145: wind blowhole 150: fixing member
151: tooth 153: cut prevention portion

Claims (7)

A first filter net having porosity to prevent fine dust and insects from intruding and to collect fine dust by static electricity generated by friction charging with each other,
A filter frame for forming the first filter net and the second filter net on the window frame and a filter frame formed on the inner circumference of the filter fixing groove for the first filter net and the second filter net,
Wherein the first and second filter nets are formed in a direction in which a first groove in which the first filter net is fitted and a second groove in which the second filter net is fitted are opposed to each other, And a separating member which is fitted and fixed to the main body of the vibration damping screen for natural ventilation. The method according to claim 1,
Wherein the first filter network and the second filter network are polarized by a dipole. ≪ RTI ID = 0.0 > 11. < / RTI > The method according to claim 1,
And a pressing member which is inserted in the filter fixing groove in which the spacer member is fitted and presses the spacer member to prevent the first filter net and the second filter net from being separated from each other. Dustproof screen for ventilation. The method according to claim 1,
The first filter network or the second filter network
A porous nano-web formed by electrospinning,
A forming net in which the nano web is formed to reinforce the rigidity of the nano web,
And a protective net positioned on an upper surface of the nanoweb formed on the forming net to protect the nanoweb,
Wherein the protective net and the forming net are formed as a transparent body so as to be seen through the net. 3. The method of claim 2,
The first filter network or the second filter network
(PAN), polyvinyl pyrrolidone (PVP), polyether amide (PEI), polymethyl methacrylate (PMMA), polytetrafluoroethylene (PTFE) (PVA), polyvinylidene fluoride (PVDF), polybenzimidazole (PBI), polycarbonate (PC), polylactic acid (PLA) and nylon 6. [ Dustproof screen for ventilation. The method according to claim 1,
The first filter network or the second filter network
Wherein the coating layer is coated with a photocatalyst so that the fine dust collected by the static electricity can be easily cleaned. ≪ RTI ID = 0.0 > 15. < / RTI > The method according to claim 1,
A wind inlet formed in the filter frame so that the first filter net and the second filter net can easily flow and rub against the wind to allow wind to flow between the first filter net and the second filter net,
And a wind blowing hole formed through the spacing member to guide the wind introduced into the wind inlet between the first filter net and the second filter net. Dustproof screen.

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