KR20050094552A - Filter and air conditioner for having the filter - Google Patents

Abstract

The present invention relates to a filter, the filter of the present invention comprises: a first filter layer in which air is sucked to one side to adsorb and sterilize dust and bacteria of a first predetermined diameter contained in the air; A second filter layer laminated on the other side of the first filter layer and absorbing dust having a second predetermined diameter smaller than the first predetermined diameter; A third filter layer laminated on one side of the second filter layer and configured to adsorb and filter harmful gas in the air filtered by the second filter layer; A fourth filter layer laminated on one side of the third filter layer and configured to filter fine dust generated in the second filter layer and the third filter layer; It is preferable that the shape maintaining member for maintaining the second filter layer to the fourth filter layer in a predetermined form is provided. According to the present invention as described above, filtration for various kinds of harmful substances is possible at the same time, thereby increasing the filtration efficiency. It is effective in obtaining a filter which is manufactured in a unit form to enable various kinds of filtration and can be replaced by a user and an air purifier equipped with the filter.

Description

Filters and Air Conditioners for Using the Filters {Filter and Air conditioner for having the filter}

The present invention relates to a filter, and more particularly, to a filter that is manufactured in a unit form to facilitate user replacement and to filter harmful substances and organic compounds in the air, and an air purifier having the filter.

Filters are used to filter fluids such as air and water, and the apparatus to be installed includes a water purifier or an air purifier.

There are several types of filters used in such a device, and different types are installed according to the type of material to be filtered.

A filter installed in a conventional water purifier or an air purifier is provided with a step-by-step filter of different types of filters for filtration of each fine dust or harmful component, and the filtration is performed by moving a fluid to each filter. .

Since these filters filter various materials such as microparticles, when the filtration is performed for a long time, the microparticles are attached to the filter and the filtration efficiency is lowered. To solve this problem, the filter is replaced with new filters at regular intervals to improve the filtration efficiency. do.

However, since these conventional filters are installed in a plurality of independent forms, it requires a lot of time if they need to be replaced periodically, and moreover, it is difficult for the user to replace the filters because they require skilled technology. There is a problem.

The present invention is to solve the above problems, an object of the present invention is to provide a filter that can be replaced by the user by making a filter of the unit form that can be filtered at the same time for various types of harmful substances, such a filter is provided To provide a purified air purifier.

A filter according to the present invention for achieving the above object comprises a first filter layer in which air is sucked to one side to adsorb and sterilize dust and bacteria of a first predetermined diameter contained in the air; A second filter layer laminated on the other side of the first filter layer and absorbing dust having a second predetermined diameter smaller than the first predetermined diameter; A third filter layer laminated on one side of the second filter layer and configured to adsorb and filter harmful gas in the air filtered by the second filter layer; A fourth filter layer laminated on one side of the third filter layer and configured to filter fine dust generated in the second filter layer and the third filter layer; It is preferable that a shape holding member for holding the second filter layer to the fourth filter layer in a predetermined form is provided, and the shape holding member is preferably a metal mesh surrounding the second filter layer to the fourth filter layer.

The first filter layer is an antibacterial mesh, the second filter layer is an antibacterial electrostatic filter, the third filter layer is activated carbon fiber of a nonwoven fabric or woven fabric, and the fourth filter layer is an antibacterial polypropylene. Preferably, any one of the first filter layer, the second filter layer, the third filter layer, the fourth filter layer, or the shape retaining member may be a contaminant in the air, a bad smell, and an adsorbed state by a light source irradiated from the outside. It is preferable that the photocatalyst treatment decomposes the debris, and the antimicrobial treatment is preferably performed on any one of the first filter layer, the third filter layer, or the shape holding member.

In addition, any one of the first filter layer, the second filter layer, the third filter layer, the fourth filter layer, or the shape holding member may be anion treated, and the shape holding member, the second filter layer, and the third filter layer may be used. In the periphery of the fourth filter layer is provided with a frame, the inner peripheral surface of the frame is preferably provided with a memory foam for fixing the shape holding member, the second filter layer, the third filter layer, the fourth filter layer, Preferably, the fourth filter layer is provided with a fragrance emitting layer for emitting an aromatic fragrance, and the edge frame is preferably provided with a light source for inducing a photocatalytic reaction.

On the other hand, the configuration of the air purifier provided with a filter of this configuration, the photocatalyst treated filter for decomposing contaminants in the air, odors and bacterial debris in the adsorbed state; A light source for irradiating light to the filter; A reflector for concentrating light of the light source to the filter; It is preferable that a blower is provided for forcibly circulating air to the filter, and one side of the filter is preferably provided with an anion generator. According to the present invention as described above, filtration for various kinds of harmful substances is possible. Filtration efficiency is increased, there is an effect of obtaining a filter that can be replaced by the user and the air purifier equipped with the filter is manufactured in the unit form to enable various kinds of filtration.

Hereinafter, one preferred embodiment according to the present invention will be described in more detail with reference to the drawings, wherein the same reference numerals shown in each of the drawings indicate the same member having the same function.

As shown in FIGS. 1 to 3, the filter 100 according to the present invention includes a first filter layer 102 through which air is sucked to one side to sterilize large dust filtration and bacteria and mold contained in the air. The second filter layer 104 is laminated on the other side of the first filter layer 102 and sterilizes dust filtration and bacteria having a predetermined diameter or more, and the second filter layer 106 is laminated on one side of the second filter layer 106. Fine dust which is laminated on one side of the third filter layer 108 and the third filter layer 108 for adsorbing and filtering the harmful gas in the filtered air and is generated in the second filter layer 106 and the third filter layer 108. The fourth filter layer 110 for filtration and the shape holding member 110 for holding the second filter layer 106 to the fourth filter layer 110 in a predetermined form.

Hereinafter, each component will be described in more detail.

When the air is filtered, the air first passes through the first filter layer 102, and the first filter layer 102 is manufactured in a metal mesh form.

The first filter layer 102 is made of an inorganic metal antimicrobial agent having antibacterial activity such as Ag, Cu, Zn, or a mesh form in which natural antimicrobial agents such as kitchen, chitosan, natural sulfur, mineral ore and ceramic are surface-treated. The function is to filter large dust and to prevent the occurrence of various bacteria or fungi contained in the dust, to kill them and to deodorize the bacterial odor.

When the air passes through the first filter layer 102, the first predetermined diameter included in the air, that is, dust and bacteria of 10 μm or more are purified. If the first filter layer 102 is formed of a metal mesh, When manufactured, the second filter layer 106 to the fourth filter layer 110 can be maintained at the same time as the shape maintaining member 104, which will be described later.

That is, when the first filter layer 102 is used as a function for maintaining the second filter layer 106 to the fourth filter layer 110 in a predetermined form like the shape maintaining member 104, it is used in a pleated form and simply When used as an antimicrobial function can be installed in the form of a plate can be used.

The air subjected to the antimicrobial treatment by the antimicrobial mesh is passed through the shape holding member 104 stacked on the other side of the antimicrobial mesh, and the shape holding member 104 is a mesh of a flexible material in the form of a plate. Is produced by.

A photocatalytic coating is applied to the mesh-like shape retaining member 104. The photocatalytic reaction is performed by absorbing ultraviolet light such as ultraviolet rays to ultrafine titanium oxide having an anatase crystal structure, thereby generating electrons and holes on the surface thereof. The former refers to a reaction in which majors decompose most harmful substances. This process not only removes contaminants and odors, but also decomposes the bacterial debris in the adsorbed state in the photocatalyst filter.

In order to induce the photocatalytic reaction, it is realized by coating a photocatalyst material such as titanium oxide (TiO₂), ZnO or SrTiO₃ on a mesh made of iron, stainless steel, copper, aluminum, glass, or plastic.

In addition, in order to improve the properties of the photocatalyst, the surface area in contact with air must be large. In addition, UV light must be able to pass well and air must flow well. In order to satisfy all of these conditions, the shape retaining member 104 in the form of a mesh coated with a photocatalyst material is folded and used.

Furthermore, the shape maintaining member 104 treated with the photocatalyst coating maintains the shape of the second filter layer 106 to the fourth filter layer 110, which will be described later, in a pleated form, thereby increasing the filtration area of the air.

In addition, the shape-retaining member 104 may be subjected to anion treatment in another embodiment in addition to the photocatalyst coating treatment.

Negative ions have the effect of purifying blood, increasing resistance, purifying air and removing dust and sterilizing. Among these, the air is cured and precipitated by the smoke of tobacco smoke sulfur dioxide, nitrogen oxide, nitrous oxide, ozone, etc. Keep it clean.

The air passing through the shape-retaining member 104 is then passed through the second filter layer 106, in which dust and the like of a second predetermined diameter smaller than the first predetermined diameter are filtered and the size thereof is the first filter layer 102. Purify the dust and bacteria below the 10㎛ size passed through.

The second filter layer 106 uses an antibacterial electrostatic filter. The electrostatic filter is generally made of an ion-synthetic resin and always has a negative charge, and when air passes through, fine dust having positive ions in the air All the lights are adsorbed and filtered.

Particularly, since mineral dust and synthetic resin dust often carry a positive charge, such dust is filtered by the second filter layer 106 which is an electrostatic filter.

In addition, the electrostatic filter of the second filter layer 106 may be subjected to a photocatalytic treatment in another embodiment in addition to the antibacterial treatment to increase the removal efficiency of harmful substances.

Thereafter, the air passes through the third filter layer 108, and the third filter layer 108 is formed of an active carbon fiber (ACF) in the form of a nonwoven fabric or a woven fabric.

The specific surface area of activated carbon fiber is 1500 ~ 2500 ㎡ / g, which is more than twice as large as the specific surface area of AC, Activity Carbon (AC), 500 ~ 1200㎡ / g. It is composed of uniform structure and the whole pore is exposed on the surface, so it has better adsorption capacity and light weight than granular activated carbon in small amount.

In addition, activated carbon fibers can be processed into woven and nonwoven fabrics, and caustic soda (NaOH) or sodium carbonate (NaCO₃) or inorganic acid sulfuric acid (H₂SO₄) or weak acid phosphoric acid (H₃PO₄) or halogen compounds (mainly F). By providing a surface functional group, it is possible to effectively treat polar and odorous substances such as hydrogen sulfide, ammonia, methyl disulfide, etc., and improve detoxification function by catalytic oxidation by adding metals such as silver, chromium and copper.

In another embodiment of the third filter layer 108, photocatalytic treatment of activated carbon fibers may be carried out to decompose harmful substances adsorbed by the activated carbon fibers by photocatalytic materials to semipermanently maintain the adsorption life of the activated carbon fibers. .

Thereafter, the air passes through the fourth filter layer 110, and the fourth filter layer 110 is made of polypropylene (PP) of a nonwoven fabric in which antibacterial treatment is performed.

The fourth filter layer 110 made of polypropylene is used to prevent particles, which form each filter layer, from entering the interior when the air is filtered through the first filter layer 102 to the third filter layer 108. will be.

In particular, the second filter layer 106 and the third filter layer 108 are prevented from being introduced into the filtered air with carbon particles or fine particles of the fiber constituting the third filter layer 108 made of activated carbon fibers. Is used to maintain the shape.

And, on the rear surface of the fourth filter layer 110, a shape retaining member 104 in the form of a mesh is stacked. That is, the shape maintaining member 104 surrounds them on the front and rear surfaces of the second filter layer 106 to the fourth filter layer 110 to maintain the second filter layer 106 to the fourth filter layer 110 in a pleated form. Done.

In other words, since each of the separate components 104, 106, 108, 110 are positioned so as to be stacked, the shape holding member 104 is used to surround them, so that the shape holding member 104 may be Separation from each of the components 104, 106, 108 and 110 in a stacked state allows them to be separated and cleaned or replaced individually.

On the other hand, around the first filter layer 102 to the fourth filter layer 110 and the shape holding member 104 is provided with a frame 112 for wrapping them together.

The frame 112 is wrapped around each component (102, 104, 106, 108, 110) can be manufactured in a unit form to enable easy replacement by the user.

In particular, the inner surface of the frame 112 is provided with a natural rubber material and a polyurethane latex or memory foam 114 having excellent shape restoring ability, so that the shape retaining member located inside the frame 112 in a corrugated form ( 104 and the first filter layer 102 to the fourth filter layer 110 is stably fixed.

In addition, latex and other types of memory foams include high-density urethane, reinforced sponges, and the like, and these may also be located inside the frame 112 to enable the same function.

That is, it uses a fixing method through the memory foam 114 having an excellent shape restoring force as opposed to the conventional method by the adhesive, when using the memory foam 114 such that the filter 100 from the frame 112 Easily removable.

Accordingly, since the shape retaining member 100 and the first filter layer 102 to the fourth filter layer 110, which are respective components of the frame 112 and the filter 100, can be separated separately, recycling is possible. Done.

Each of the filter layers 102, 106, 108, 110 and the shape holding member 104 may be the filter layers 102, 106, 108, 110 according to the user's needs or the air condition of the place to be cleaned. And the shape holding member 104 can be added and manufactured, and each of the filter layers 102, 106, 108, 110 and the shape holding member 104 can be combined to enable a complex function. That is, it can be produced in a form capable of a complex function, such as anion treatment to the shape-retaining member 104 is a photocatalytic treatment, or anion treatment to the second filter layer 106 is an antibacterial treatment.

In addition, the fourth filter layer 110 is provided with a fragrance diverging layer 130 is provided with aroma fragrance. As the fragrance diverging layer 130 is provided, natural aroma fragrance is introduced into the room together with clean air filtered through each of the filter layers 102, 104, 106, 108, and 110 to create a pleasant environment. do.

Aroma fragrance is a natural ingredient with the unique ingredients of natural fragrances. For example, the treatment of pain such as muscle pain or rheumatoid arthritis, digestive disorders, women's diseases, menstrual disorders, menopausal disorders, postpartum diseases, skin diseases, recently It is also used to reduce side effects that can occur during chemotherapy, neodialysis and radiation therapy.

On the other hand, the frame 112 is provided with a light source 88 for inducing a photocatalytic reaction.

Mainly used as the light source 90 is a UV lamp that emits UV light, because the UV lamp is used because it can most activate the reaction of titanium oxide (TiO₂) mainly used as a photocatalyst material.

In addition, visible light generated by solar energy may be used as a light source.

The position of the light source 90 can be installed and used on the outer side of the frame 112 as shown, and is also installed in the form attached to the frame frame 112 or mounted inside the frame frame 112. It is possible.

Figure 4 shows a schematic use state of the air purifier is installed filter 100 according to the present invention of the form as described above.

In this case, the inside of the case 200 forming the exterior of the air purifier is installed in the order of the light source 90, the filter 100, the negative ion generator 130, and the blower 140 at the foremost front according to the inflow direction of the air. Use may be one embodiment of preferred use.

The configuration of the filter 100 is laminated on the other side of the first filter layer 102 and the first filter layer 102, the air is sucked to one side in order to sterilize the large dust filtration and bacteria and mold contained in the air A second filter layer 104 for sterilizing dust and bacteria having a diameter or more and a second filter layer for adsorbing and filtering harmful gases in the air filtered by the second filter layer 106 and laminated on one side of the second filter layer 106. A fourth filter layer 110 laminated on one side of the third filter layer 108 and the third filter layer 108 to filter fine dust generated from the second filter layer 106 and the third filter layer 108, The shape retaining member 110 for holding the second filter layer 106 to the fourth filter layer 110 in a predetermined form is manufactured and used in a unitized state. In addition, the fourth filter layer 110 is provided with a fragrance diverging layer 130 is provided with aroma fragrance.

Each of these layers is manufactured and used to have the same function as each of the layers 102, 104, 106, 108, 110, and 130 of the filter 100 described above.

The light source 90 installed in front of the filter 100 is to induce a photocatalytic reaction in the filter 100 subjected to the photocatalytic treatment, and may be any type of light source that can be irradiated with ultraviolet or visible light. In one embodiment it is possible to use visible light through the UV lamp or solar tube.

In addition, if necessary, the installation position may be used by being positioned behind the filter 100, and may be installed and used at the front and rear of the filter 100 at the same time.

In addition, the case 200 is provided with a reflector 88 so that the light of the light source 90 is concentrated and irradiated to the filter 100.

The presence or absence of such a reflection shade 88 can prevent the scattering of light irradiated by the light source 90 to increase the irradiation efficiency, 80% or more of the irradiated light by installing the reflection shade 88 filter 100 Can be focused.

The range which can apply the filter 100 of this invention of this form can be installed also in a water purifier air purifier etc., if the form is modified based on the structure of this invention.

Moreover, the filter 100 of the present invention having such a configuration is unitized so that the user can easily replace the filter 100.

As described above, the filter according to the present invention is capable of simultaneously filtering various kinds of harmful substances, thereby increasing the filtration efficiency, and having the effect of obtaining a filter which can be replaced by a user by being manufactured in a unit form to enable various kinds of filtration. have.

In addition, the filter can be easily assembled and disassembled in a non-adhesive manner using a memory foam, thereby obtaining a filter that can be recycled.

1 is a perspective view of a filter according to the present invention.

2 is an exploded perspective view of a filter according to the present invention.

3 is a cross-sectional view of a filter according to the invention.

Figure 4 is a schematic diagram showing a schematic arrangement of the air purification apparatus using the filter according to the present invention.

** Description of the symbols for the main parts of the drawings **

102; First filter layer 104; Shape retaining member

106; Second filter layer 108; Third filter layer

110; Fourth filter layer 112; Border frame

114; Memory foam 130; Incense

Claims (21)

A first filter layer of an antimicrobial mesh type in which air is sucked to one side to adsorb and sterilize dust and bacteria of a first predetermined diameter included in the air; A second filter layer laminated on the other side of the first filter layer and absorbing dust having a second predetermined diameter smaller than the first predetermined diameter; A third filter layer laminated on one side of the second filter layer and configured to adsorb and filter harmful gas in the air filtered by the second filter layer; A fourth filter layer laminated on one side of the third filter layer and configured to filter fine dust generated in the second filter layer and the third filter layer; And a shape holding member for holding the second to fourth filter layers in a predetermined shape. The filter of claim 1, wherein the shape maintaining member is a mesh of a flexible material surrounding the second filter layer, the third filter layer, and the fourth filter layer. The filter of claim 1, wherein the second filter layer is an antibacterial electrostatic filter, the third filter layer is activated carbon fiber, and the fourth filter layer is an antibacterial polypropylene. The photocatalyst of claim 3, wherein at least one of the first filter layer, the second filter layer, the third filter layer, the fourth filter layer, and the shape holding member is treated to induce a photocatalytic reaction by a light source irradiated from the outside. Filter characterized in that it became. 4. The filter according to claim 3, wherein at least one of the first filter layer, the third filter layer, and the shape holding member is subjected to an antibacterial treatment. 4. The filter according to claim 3, wherein at least one of the first filter layer, the second filter layer, the third filter layer, the fourth filter layer, and the shape retaining member is subjected to anion treatment. 4. The filter as claimed in claim 3, wherein at least one of nonvolatile inorganic materials, inorganic acids, weak acids, halogen compounds, and metal compounds is surface-treated in the third filter layer. According to any one of claims 1 to 7, wherein the periphery of the shape holding member, the second filter layer, the third filter layer, the fourth filter layer is provided with a frame for wrapping them together, the inner surface of the frame And a memory foam for fixing the shape maintaining member, the second filter layer, the third filter layer, and the fourth filter layer together. 9. The filter as claimed in claim 8, wherein the fourth filter layer is provided with a fragrance emitting layer for emitting an aromatic fragrance. The filter of claim 9, wherein a light source for inducing a photocatalytic reaction is provided at one side of the frame. A filter treated with a photocatalyst for decomposing contaminants, odors and bacterial debris in an adsorbed state; A light source for irradiating light to the filter; A reflector for concentrating light of the light source to the filter; And a blower for forcibly circulating air to the filter. 12. The air purifier of claim 11, wherein an anion generator is provided at one side of the filter. The method of claim 11 or 12, wherein the filter A first filter layer of an antimicrobial mesh type in which air is sucked to one side to adsorb and sterilize dust and bacteria of a first predetermined diameter included in the air; A second filter layer laminated on the other side of the first filter layer and absorbing dust having a second predetermined diameter smaller than the first predetermined diameter; A third filter layer laminated on one side of the second filter layer and configured to adsorb and filter harmful gas in the air filtered by the second filter layer; A fourth filter layer laminated on one side of the third filter layer and configured to filter fine dust generated in the second filter layer and the third filter layer; And a shape holding member for holding the second to fourth filter layers in a predetermined shape. The air purifier according to claim 13, wherein the second filter layer is an antibacterial electrostatic filter, the third filter layer is activated carbon fiber, and the fourth filter layer is an antibacterial polypropylene. The air purifier of claim 13, wherein the shape maintaining member is a mesh of a flexible material surrounding the second to fourth filter layers. 15. The method of claim 13, wherein any one or more of the first filter layer, the second filter layer, the third filter layer, the fourth filter layer, and the shape-retaining member is in the state of being contaminated, odor and adsorbed in the air by the light source. Air purifier, characterized in that the photocatalyst is processed to decompose bacteria debris. The air purifier of claim 13, wherein the third filter layer or the shape holding member is subjected to an antibacterial treatment. The air purifier of claim 13, wherein at least one of a nonvolatile inorganic material, an inorganic acid, a weak acid, a halogen compound, and a metal compound is surface-treated in the third filter layer. The air purifier according to claim 13, wherein at least one of the first filter layer, the second filter layer, the third filter layer, the fourth filter layer, or the shape retaining member is subjected to anion treatment. According to any one of claims 13 to 19, Around the shape holding member, the second filter layer, the third filter layer, the fourth filter layer has a frame for wrapping them together, the inner surface of the frame has the shape And a memory foam for fixing the holding member, the second filter layer, the third filter layer, and the fourth filter layer together. 21. The air purification apparatus as claimed in claim 20, wherein the fourth filter layer is provided with a fragrance emitting layer for emitting an aromatic fragrance.