KR102369878B1 - Complex water purification filter for nutrition supplementation - Google Patents

Abstract

Disclosed is a filter for a water purifier. The filter for a water purifier can include: a housing provided with a water inlet and a water outlet; a filtration filter unit for filtering water flowing in through the water inlet; an active ingredient supply unit for supplying an active ingredient to the water that has passed through the filtration filter unit; and an antibacterial filter unit provided to antibacterially treat the water to which the active ingredient is supplied by the active ingredient supply unit.

Description

Nutritional supplementation complex water filter {Complex water purification filter for nutrition supplementation}

The present invention relates to a filter for a water purifier, and more particularly, to a complex water filter capable of providing nutritional support.

A water filter is a device that filters out foreign substances in water to make water clean and clear, and generally filters pollutants contained in water through a physically porous medium. Globally, the water filter market is expected to reach USD 14.7 billion in 2023, increasing from USD 10.2 billion in 2018 to an annual average growth rate of 6.3%, and Korea’s water filter market is expected to grow from USD 470 million in 2018 to an average annual growth rate of 6.3%. It is projected to reach $700 million by 2023 with a growth rate of 8.3% (Markets and Markets, Water Filters Market, 2018).

On the other hand, in general, water filters exist as ions in water using a filtration function that filters particles in water through a micro-membrane such as a nonwoven fabric, an adsorption function to remove volatile organic substances in water through activated carbon, etc., and an ion exchange resin It is possible to purify water by combining one or more functions, such as an ion exchange function that reduces substances that are used, and an antibacterial/sterilization function that removes microorganisms using ultraviolet rays or the like.

However, in the case of a conventional water filter, a plurality of filter bodies having different water purifying functions are individually mounted at predetermined intervals, so that the volume of the water purifier increases, materials and installation costs increase, and maintenance is inconvenient. In this regard, Korean Patent Laid-Open Publication No. 10-2019-0040541 discloses a composite filter body comprising a plurality of filter bodies having different functions as one filter body, but it is possible to provide nutrients with a water filter function at the same time. Composite filters have not been studied.

Under this background, the present inventors have completed the present invention by using a functional ceramic ball and a gel filler to develop a filter capable of removing harmful ingredients and providing active ingredients in a complex manner.

The present invention provides a filter for a water purifier capable of simultaneously removing harmful components, supplying nutrients, and performing antibacterial treatment.

The present invention provides a filter for a water purifier having a structure in which the filter can be easily separated and replaced.

The present invention provides a filter for a water purifier with an improved flow path structure to facilitate the flow of water.

A filter for a water purifier according to an aspect of the present invention includes: a housing provided with an inlet and an outlet; a filtration filter unit for filtering the water flowing in through the inlet; an active ingredient supply unit for supplying an active ingredient to the water that has passed through the filtration filter unit; and an antibacterial filter unit provided to antibacterially treat the water supplied with the active ingredient by the active ingredient supply unit.

The active ingredient supply unit has a filling space formed therein, the filling case including a through hole communicating with the filling space; and a filler that is filled in the filling space and includes an active ingredient that is provided to be eluted in water passing in and out of the through hole.

The antibacterial filter unit may include a filter ball formed by sintering silver (Ag) nano ceramic powder.

A guide spacer disposed between the filtering filter unit and the active ingredient supply unit and guiding water passing through the filtering filter unit to the through hole; may further include.

The guide spacer may include a nozzle surface facing the filtering filter unit and forming an outlet corresponding to the through hole; and a guide surface that faces the active ingredient supply unit and reverses the direction of the water discharged from the active ingredient supply unit.

According to the present invention, by including a functional ceramic ball and a gel filler containing nutrients that can help improve immunity, recover from fatigue, strengthen vitality, etc. ingredients can be consumed.

According to the present invention, since the filtration filter unit, the active ingredient supply unit, the antibacterial filter unit and the like are modularized, a desired part can be easily separated and replaced from the housing.

According to the present invention, by providing a guide spacer that prevents backflow of water inside the housing, purification efficiency can be increased and the active ingredient can be more effectively eluted.

1 is a perspective view illustrating a filter for a water purifier according to an embodiment of the present invention.
FIG. 2 is a side cross-sectional view of the filter for water purifier shown in FIG. 1 .
FIG. 3 is an exploded perspective view illustrating the filtration filter unit shown in FIG. 2 by disassembling it.
4 is a perspective view (a) and a bottom perspective view (b) illustrating the guide spacer shown in FIG. 2 .
5 is a perspective view of the filling case of the active ingredient supply unit shown in FIG.
6 is a bottom view of the filling case shown in FIG. 5 .
7 is an exploded perspective view illustrating the antibacterial filter unit shown in FIG. 2 by disassembling it.
FIG. 8 is a view illustrating a filling case of an active ingredient supply unit according to another embodiment in the filter for water purifier shown in FIG. 1 .
9 is a side cross-sectional view illustrating a case in which the filter for water purifier shown in FIG. 1 includes an active ingredient supply unit and a guide spacer according to another embodiment.

The configuration shown in the embodiments and drawings described in this specification is only a preferred example of the disclosed invention, and there may be various modifications that can replace the embodiments and drawings of the present specification at the time of filing of the present application.

The same reference numbers or reference numerals in each drawing in this specification indicate parts or components that perform substantially the same functions. The shapes and sizes of elements in the drawings may be exaggerated for clear explanation.

The terminology used herein is used to describe the embodiments, and is not intended to limit and/or limit the disclosed invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In this specification, terms such as “comprise” or “have” are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist, and one or more other features It does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

As used herein, terms including ordinal numbers such as “first” and “second” may be used to describe various components, but the components are not limited by the terms, and the terms are one It is used only for the purpose of distinguishing a component from other components. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component. The term “and/or” includes any combination of a plurality of related listed items or any of a plurality of related listed items.

The terms "upper", "lower", "upper", "lower", etc. used below are defined based on the drawings, and the shape and position of each component is not limited by these terms.

It will be understood that each block of the process flow diagrams and combinations of the flowchart diagrams may be executed by computer program instructions. These computer program instructions may be embodied in a processor of a general purpose computer, special purpose computer, or other programmable data processing equipment such that the instructions performed by the processor of the computer or other programmable data processing equipment are described in the flowchart block(s). It creates a means to perform the specified functions. These computer program instructions may also be stored in a computer-usable or computer-readable memory that may direct a computer or other programmable data processing equipment to implement a function in a particular manner, and thus the computer-usable or computer-readable memory. It is also possible that the instructions stored in the flow chart block(s) produce an article of manufacture containing instruction means for performing the function described in the flowchart block(s). The computer program instructions may also be mounted on a computer or other programmable data processing equipment, such that a series of operational steps are performed on the computer or other programmable data processing equipment to create a computer-executed process to create a computer or other programmable data processing equipment. It is also possible that instructions for performing the processing equipment provide steps for performing the functions described in the flowchart block(s).

In addition, each block may represent a module, segment, or part of code that includes at least one executable instructions for executing specified logical function(s). It should also be noted that in some alternative implementations it is also possible for the functions recited in blocks to occur out of order. For example, two blocks shown one after another may be performed substantially simultaneously, or the blocks may sometimes be performed in the reverse order according to a corresponding function.

In this case, the term '~ unit' used in this embodiment means software or hardware components such as field-programmable gate array (FPGA) or ASIC (Application Specific Integrated Circuit), and '~ unit' refers to what role carry out the However, '-part' is not limited to software or hardware. '~' may be configured to reside on an addressable storage medium or may be configured to refresh one or more processors. Accordingly, as an example, '~' refers to components such as software components, object-oriented software components, class components, and task components, and processes, functions, properties, and procedures. , subroutines, segments of program code, drivers, firmware, microcode, circuitry, data, databases, data structures, tables, arrays, and variables. The functions provided in the components and '~ units' may be combined into a smaller number of components and '~ units' or further separated into additional components and '~ units'. In addition, components and '~ units' may be implemented to play one or more CPUs in a device or a secure multimedia card.

Hereinafter, an embodiment according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view illustrating a filter for a water purifier according to an embodiment of the present invention. FIG. 2 is a side cross-sectional view of the filter for water purifier shown in FIG. 1 .

1 to 2 , the filter 1 for water purifier may include at least one of a housing 10 , a filtration filter unit 100 , an active ingredient supply unit 300 , and an antibacterial filter unit 400 . can The filter 1 for water purifier may further include a guide spacer 200 .

The housing 10 may have a cylindrical shape extending in an approximately vertical direction. The longitudinal direction of the housing 10 may mean a vertical direction.

The housing 10 may be provided with an inlet 11 and an outlet 12 . The housing 10 may have an inlet 11 and an outlet 12 formed therein. The housing 10 may include an inlet 11 and an outlet 12 .

The inlet 11 and the outlet 12 may be disposed on opposite sides of the housing 10 . For example, the water inlet 11 may be disposed at the upper end of the housing 10 , and the water outlet 12 may be disposed at the lower end of the housing 10 . As such, the housing 10 can be designed for a bidirectional filter.

However, the present invention is not limited thereto, and the inlet 11 and the outlet 12 of the housing 10 may be disposed on the same side of the housing 10 . For example, the inlet 11 and the water outlet 12 may be disposed at the upper end of the housing 10 . As such, the housing 10 may be designed for a one-way filter.

An inner space may be formed inside the housing 10 . The inner space may correspond to a flow path through which water flows. The flow path inside the housing 10 may be designed to suit the arrangement of the inlet 11 and the outlet 12, which is a means widely known to those skilled in the art, and thus detailed description will be omitted. Hereinafter, one of the water inlet 11 and the water outlet 12 is disposed at the upper end of the housing 10 and the other one is disposed at the lower end of the housing 10 as an example. For example, the water inlet 11 may be disposed at the upper end of the housing 10 and the water outlet 12 may be disposed at the lower end of the housing 10 .

Meanwhile, the housing 10 may include a first housing 10a and a second housing 10b, and the first housing 10a and the second housing 10b may be detachably coupled to each other. For example, the first housing 10a and the second housing 10b may be screwed together. By separating the first housing 10a and the second housing 10b, the inner space of the housing 10 can be exposed, and the user can use the components inside the housing 10 (eg, the filtering filter unit 100, effective The component supply unit 300 , the guide spacer 200 , the antibacterial filter unit 400 , etc.) may be separated and/or replaced.

The filtering filter unit 100 , the active ingredient supply unit 300 , the antibacterial filter unit 400 , and the guide spacer 200 are modularized, respectively, and may be detachably inserted and/or coupled to the housing 10 . Therefore, only the parts that need to be replaced can be easily separated and replaced, and the order of each module can be changed as desired by the user to be disposed inside the housing 10 .

The filtering filter unit 100 may be disposed inside the housing 10 . The filtering filter unit 100 may be disposed adjacent to the inlet 11 .

Filtration The filter unit 100 may filter water (or "raw water") flowing in from the inlet 11 . The filtration filter unit 100 may primarily filter foreign substances from the water flowing in from the water inlet 11 .

Water filtered while passing through the filtering filter unit 100 may flow toward the active ingredient supply unit 300 . Water passing through the filtration filter unit 100 may flow only in one direction (eg, downward). In the filtration filter unit 100 , water may flow toward the active ingredient supply unit 300 .

The active ingredient supply unit 300 may be disposed inside the housing 10 . The active ingredient supply unit 300 may be disposed on one side (eg, the lower portion) of the filtration filter unit 100 . The active ingredient supply unit 300 may be disposed to be spaced apart from the filter unit 100 by a predetermined distance.

The active ingredient supply unit 300 may supply the active ingredient to raw water. The active ingredient supply unit 300 may supply the active ingredient to the water that has passed through the filtering filter unit 100 . The active ingredient of the active ingredient supply unit 300 may be eluted in the filtered water while passing through the filtration filter unit 100 .

At this time, the guide spacer 200 may separate the active ingredient supply unit 300 from the filtration filter unit 100 and guide the flow of raw water toward the active ingredient supply unit 300 .

The guide spacer 200 may be disposed between the inlet 11 and the active ingredient supply unit 300 . The guide spacer 200 may be disposed between the filtering filter unit 100 and the active ingredient supply unit 300 . The guide spacer 200 may be disposed on one side (eg, an upper portion) of the active ingredient supply unit 300 .

However, the present invention is not limited thereto, and the guide spacer 200 in the filter 1 for water purifier may be omitted. In this case, the water that has passed through the filtering filter unit 100 may flow directly to the active ingredient supply unit 300 .

The antibacterial filter unit 400 may antibacterialize raw water. The antibacterial filter unit 400 may antibacterialize the water supplied with the active ingredient from the active ingredient supply unit 300 . The water supplied with the active ingredient from the active ingredient supply unit 300 may flow to the antibacterial filter unit 400 .

The antibacterial filter unit 400 may deodorize by adsorbing volatile fine particles contained in raw water. The antibacterial filter unit 400 can deodorize by adsorbing volatile microparticles from the water supplied with the active ingredient from the active ingredient supply unit 300 .

The antibacterial filter unit 400 may be disposed inside the housing 10 . The antibacterial filter unit 400 may be disposed on one side (eg, the lower portion) of the active ingredient supply unit 300 . However, the present invention is not limited thereto, and the antibacterial filter unit 400 may be disposed on one side (eg, upper portion) of the filtering filter unit 100 , and between the filtering filter unit 100 and the active ingredient supply unit 300 . may be placed. When the antibacterial filter unit 400 is disposed between the filtration filter unit 100 and the active ingredient supply unit 300 , the guide spacer 200 is disposed between the antibacterial filter unit 400 and the active ingredient supply unit 300 . can be

The water (or raw water) that has passed through the filtration filter unit 100 , the active ingredient supply unit 300 , and the antibacterial filter unit 400 described above may be discharged to the outside of the water purifier filter 1 through the water outlet 12 . . Water discharged through the water outlet 12 may be referred to as purified water.

Hereinafter, each configuration of the filter 1 for a water purifier will be described in detail with reference to the drawings.

FIG. 3 is an exploded perspective view illustrating the filtration filter unit shown in FIG. 2 by disassembling it.

Referring to FIG. 2 , the filtration filter unit 100 may include a filter body 110 for filtering raw water. The filter unit 100 may include a filter body cover 120 coupled to the filter body 110 .

The filter body 110 may have a cylindrical shape, but is not limited thereto, and may have various shapes. The filter body 110 may include a water-permeable membrane filter. The filter body 110 may include one of an ultrafiltration membrane, a nanofiltration membrane, and a reverse osmosis membrane. The ultrafiltration membrane may include micropores having a pore diameter of 0.005 micrometers or more and 0.5 micrometers or less, the nanofiltration membrane may include micropores having a pore diameter of 0.001 micrometers or more and less than 0.005 micrometers, and the reverse osmosis membrane has a pore diameter of 0.0001 micrometers. It may include micropores of less than 0.001 micrometers, but is not limited thereto, and the filter body 110 may include various conventional membrane filters capable of filtering raw water.

The filter body cover 120 may have a hollow cylinder shape. The filter body cover 120 may be in contact with and/or coupled to and/or attached to the inner surface of the housing 10 .

The filter body 110 may be inserted and fixed inside the filter body cover 120 , and the filter body cover 120 may cover the outer peripheral surface of the filter body 110 . The filter body cover 120 may cover the outer peripheral surface of the filter body 110 to block the flow of the fluid.

In this way, in the filter body cover 120 , the water filtered by the filter body 110 flows out through the outer peripheral surface of the filter body 110 in the middle without proceeding in the longitudinal direction (eg, up and down direction) of the filter body 110 . It is possible to improve the filtration efficiency of the filter body 110 by preventing it.

However, the present invention is not limited thereto, and the filter body cover 120 may be omitted. In this case, only the filter body 110 may be disposed inside the housing 10 .

4 is a perspective view (a) and a bottom perspective view (b) illustrating the guide spacer shown in FIG. 2 .

Referring to FIG. 4 , the guide spacer 200 may include at least one of a spacer body 201 , a nozzle surface 210 , a guide surface 230 , and an outlet 220 .

The spacer body 201 may form a shape of the guide spacer 200 . The outer wall of the spacer body 201 may have a substantially cylindrical shape. The spacer body 201 may be disposed in the housing 10 . The outer peripheral surface of the spacer body 201 may be in contact with and/or coupled to and/or attached to the inner surface of the housing 10 . The spacer body 201 may be supported by the filtering filter unit 100 (eg, the filter body cover 120 ) and the active ingredient supply unit 300 (eg, the filling case 300a) in the vertical direction.

One surface (eg, upper surface) of the spacer body 201 may correspond to the nozzle surface 210 , and the other surface (eg, lower surface) opposite to one surface of the space body 201 may correspond to the guide surface 230 . there is. The spacer body 201 may be penetrated by the outlet 220 .

The nozzle surface 210 may increase the speed of water passing through the guide spacer 200 . The nozzle surface 210 may form a jet port 220 disposed at one end (eg, a lower end) of the nozzle surface 210 , and may increase the speed of water passing through the jet port 220 . The spout 220 may communicate the nozzle surface 210 and the guide surface 230 . The jet port 220 may be disposed at the other end (eg, upper end) of the nozzle surface 210 and may have a smaller diameter and cross-sectional area than the first inlet port 210a formed by the nozzle surface 210 .

The nozzle surface 210 extends from one end (eg, top) of the guide spacer 200 (eg, spacer body 201) to the other end (eg, bottom) of the guide spacer 200 (eg, spacer body 201). As it extends, the inner diameter may decrease.

The nozzle surface 210 may face the filtering filter unit 100 . The inner diameter of the nozzle surface 210 may increase as it is adjacent to the filtering filter unit 100 in the longitudinal direction of the housing 10, and as it becomes further away from the filtering filter unit 100 in the longitudinal direction of the housing 10, the nozzle The inner diameter of face 210 may decrease. When the filtering filter part 100 is disposed on the guide spacer 200 and the active ingredient supply part 300 is disposed on the lower part of the guide spacer 200, the nozzle surface 210 is upper and lower. can be said to have the shape of Water discharged from the filter unit 100 through the first inlet 210a may be introduced into the guide spacer 200, and the nozzle surface 210 may guide the flow of water toward the outlet 220, Water may be ejected through the outlet 220 at a faster rate than when the water passes through the first inlet 210a.

The spout 220 may correspond to the through hole 310 of the filling case 300a, which will be described later. The spout 220 may face the through hole 310 of the filling case 300a, which will be described later. Water ejected through the spout 220 may be introduced into the through-hole 310 .

The guide surface 230 may face the active ingredient supply unit 300 . The guide surface 230 may be formed as a curved surface.

One end (eg, the lower end) of the guide surface 230 may form a second inlet 230a through which water discharged from the active ingredient supply unit 300 is introduced, and the other end of the guide surface 230 is an outlet 220 . can be connected with The other end of the guide surface 230 may be considered to form the ejection port 220 .

The first inlet 210a may be disposed on the upper surface of the spacer body 201 and open upward, and the second inlet 230a may be disposed on the lower surface of the spacer body 201 and open downward. An outlet 220 may be disposed between the first inlet 210a and the second inlet 230a.

The guide surface 230 may change the direction of the water flowing into the guide spacer 200 through the second inlet 230a to the opposite direction after receiving the active ingredient from the active ingredient supply unit 300 . The guide surface 230 may guide the water moving in one direction (eg, upward) from the active ingredient supply unit 300 to move in the other direction (eg, downward) that is opposite to the one direction. The guide surface 230 may guide the water discharged from the active ingredient supply unit 300 to flow again toward the active ingredient supply unit 300 . The guide surface 230 may guide the water discharged through the through hole 310 to the first communication hole 320 and the communication path 303 while including the active ingredient.

The guide spacer 200 can concentrate the flow of water toward the through hole 310 and provide an accelerated water flow to the filling space 302a, so that the filler 500 to be described later can be more effectively eluted. In addition, since the outlet 220 of the guide spacer 200 has a diameter smaller than the first and second inlets 210a and 230a and the guide surface 230 guides the flow of water to the active ingredient supply unit 300, the active ingredient supply unit ( It is possible to prevent the water discharged from the 300) from flowing back into the filtration filter unit 100 .

5 is a perspective view of the filling case of the active ingredient supply unit shown in FIG. FIG. 6 is a bottom view of the filling case shown in FIG. 5 .

5 to 6 , the active ingredient supply unit 300 may include a filling case 300a and a filling material 500 .

The filling case 300a has a filling chamber 302 having a filling space 302a formed therein, and a through hole 310 formed on one surface (eg, upper surface) of the filling chamber 302 and communicating with the filling space 302a. ) may be included.

The filling space 302a may be filled with the filler 500 , and water may enter and leave the filling space 302a filled with the filler 500 through the through hole 310 . That is, water outside the active ingredient supply unit 300 may be introduced into the filling space 302a through the through hole 310 , and the water in the filling space 302a may be supplied to the active ingredient supply unit 300 through the through hole 310 . ) (or the filling space 302a) may be discharged to the outside.

The filling case 300a may further include a communication path 303 penetrating the filling case 300a in the longitudinal direction (or the vertical direction) of the filling case 300a. For example, the filling case 300a may further include an outer wall 301 that covers the outer circumferential surface of the filling chamber 302 and is spaced apart from the filling chamber 302 , and the communication path 303 is the filling chamber 302 . It may correspond to a spaced space between and the outer wall 301 . The outer wall 301 may contact and/or engage and/or attach to the inner surface of the housing 10 .

The filling case 300a is formed on one surface (eg, an upper surface) of the filling case 300a in which the through-hole 310 is formed, and a first communication hole 320 corresponding to one end (eg, top) of the communication path 303 . ) may be included. The filling case 300a is formed on the other surface (eg, the lower surface) of the filling case 300a opposite to one surface of the filling case 300a on which the through-hole 310 is formed, and the other end (eg, the lower end) of the communication path 303 . ) may include a second communication hole (303a) corresponding to the. Water outside the active ingredient supply unit 300 is introduced into the communication path 303 through the first communication hole 320, and the water of the communication path 303 is the active ingredient supply unit 300 through the second communication hole 303a. ) can be discharged to the outside.

A filler 500 may be disposed and/or filled in the filling space 302a. The filler 500 may be filled in the filling space 302a through the through hole 310 .

The "filler 500" of the present invention may be referred to as a "gel filler" as a filler of a gel formulation. After passing through the filtration filter unit 100, water introduced into the filling space 302a through the through-hole 310 meets the filling material 500, and the active ingredient contained in the filling material 500 is dissolved in water and eluted. there is.

The filler 500 may have a fluid solid or semi-solid state. The filler 500 of the present invention is water-soluble, and it is uniformly dissolved from the surface in the process of dissolving in water, so that it has a constant dissolution rate and has a sustained release property of continuously releasing an appropriate amount of the active ingredient.

The filler 500 of the present invention may be prepared by solidifying or curing a gel composition. Specifically, the gel composition includes a gelling agent and an active ingredient.

The gelling agent is a material that is dispersed in water and then coagulated to exhibit a gel form, pectin, gelatin, agar, alginic acid, konjac powder, carrageenan, Xanthan gum, dextrin, etc. can be used, and the type is not limited as long as the gelling agent can form a gel by combining with water. The gelling agent may be included in the gel composition at an optimal concentration and content to form a gel depending on the type thereof.

The term "active ingredient" of the present invention refers to a component that is included in the gel filler 500 and eluted into the water passing through the filter 1 for water purifier. Specifically, the active ingredient means a raw material or ingredient having useful functionality in the human body, for example, it may be a nutrient such as vitamins, amino acids, essential fatty acids, dietary fiber, physiologically active ingredients, and functional raw materials, but is not limited thereto. does not The active ingredient may also be referred to as a nutritional ingredient. The active ingredient may be included in the gel composition in an appropriate amount to be included in the gel and eluted in water depending on the type.

In addition to the gelling agent and the active ingredient, other ingredients may be appropriately formulated in the gel composition within the range that does not impair the purpose of the present invention, depending on the purpose of use. Specifically, it may further include an antibacterial component, an antiseptic component, a fragrance, and a pigment.

The flow of water in the active ingredient supply unit 300 will be described. First, at least a portion of the water flowing in from the outside of the active ingredient supply unit 300 (eg, water guided by the guide spacer 200 after passing through the filtering filter unit 100 ) is filled through the through hole 310 . may be introduced into the space 302a. The active ingredient of the filler 500 may be eluted from the water introduced into the filling space 302a. Water in the filling space 302a containing the active ingredient may be discharged to the outside of the active ingredient supply unit 300 through the through-hole 310 again, and discharged through the through-hole 310 while containing the active ingredient. The collected water may be guided to the first communication hole 320 and the communication path 303 by the guide surface 230 again. The water guided to the communication path 303 may be discharged from the active ingredient supply unit 300 through the second communication hole 303a.

In this way, the filler 500 containing the active ingredient is eluted into the purified water and provided to the user, so that the filter 1 for the water purifier according to the present invention has a function of removing harmful substances from the raw water as well as providing essential nutrients to the raw water. Functions can also be performed together.

7 is an exploded perspective view showing the antibacterial filter unit shown in FIG.

Referring to FIG. 7 , the antibacterial filter unit 400 may include a filter ball 410 , a filter ball case 401 , an inlet hole 403 , and an outlet hole 402 .

The filter ball case 401 may include an accommodating space 401a formed therein, and may have a cylindrical shape.

An inlet hole 403 through which water from the outside of the antibacterial filter unit 400 (eg, filter ball case 401) flows may be formed on one surface (eg, upper surface) of the filter ball case 401 , and the filter ball case A discharge hole 402 through which water inside the antibacterial filter unit 400 (eg, the accommodation space 401a) is discharged to the outside may be formed on the other surface (eg, the lower surface) of the 401 . The inlet hole 403 and the outlet hole 402 may communicate with the receiving space 401a.

The filter ball case 401 may include a case part in which the accommodating space 401a is formed, and a cover part covering the accommodating space 401a. The case part may be opened upwardly, and the cover part may be coupled to the upper end of the case part. The inlet hole 403 may be formed in the cover portion, and the discharge hole 402 may be formed in the bottom surface of the case portion.

The inlet hole 403 may include a plurality of inlet holes. The inlet hole 403 may correspond to the communication path 303 (eg, the second communication hole 303a) of the filling case 300a. The inlet hole 403 may receive water flowing through the communication path 303 .

The discharge hole 402 may include a plurality of discharge holes. Water discharged from the discharge hole 402 may flow to the water outlet 12 .

The filter ball 410 may antibacterially treat the water supplied to the antibacterial filter unit 400 . The filter ball 410 may deodorize the water supplied to the antibacterial filter unit 400 . The filter ball 410 may elute minerals into the water supplied to the antibacterial filter unit 400 .

The "filter ball 410" of the present invention may be manufactured by adding components such as minerals to silver (Ag) nano-ceramic powder, molding at a high temperature, and baking (or firing process). The filter ball 410 can suppress the generation or proliferation of harmful microorganisms present in the water passing through the filter 1 for the water purifier of the present invention, and can exhibit a deodorizing effect through the multi-pore adsorption capacity of the silver nano-ceramic component. there is. In addition, it is possible to improve the taste of water and maintain the freshness of the water due to the mineral elution action of the ceramic material. The filter ball 410 of the present invention may further include an antibacterial component, and if it is included in the filter ball 410 to exhibit antibacterial activity against harmful microorganisms present in water, the type is not limited.

The minerals include, for example, calcium (Ca), potassium (K), magnesium (Mg), iron (Fe), zinc (Zn), copper (Cu), selenium (Se), iodine (I), or manganese (Mn). may be, but is not limited thereto.

There is a high possibility that microorganisms may proliferate due to various active ingredients in the water that has passed through the active ingredient supply unit 300 , but the water that has passed through the active ingredient supply unit 300 is treated with antibacterial treatment in the antibacterial filter unit 400 immediately, so the filter for water purifiers It is possible to prevent the water discharged in (1) from being contaminated by microorganisms.

FIG. 8 is a view illustrating a filling case of an active ingredient supply unit according to another embodiment in the filter for water purifier shown in FIG. 1 . 9 is a side cross-sectional view illustrating a case in which the filter for water purifier shown in FIG. 1 includes an active ingredient supply unit and a guide spacer according to another embodiment. The description of the filter for water purifier illustrated in FIGS. 1 to 7 may be applied to the filter for water purifier illustrated in FIGS. 8 to 9 as it is, as long as it does not conflict with the content to be described later. A description of overlapping parts will be omitted.

8 to 9 , the active ingredient supply unit 300 - 1 may include a filling case 300 - 1a and a filler 500 .

The filling case 300-1a has a filling chamber 302 having a filling space 302a formed therein, and a through hole formed on one surface (eg, upper surface) of the filling chamber 302 and communicating with the filling space 302a. 310 (or "first through-hole"), a communication path 303 passing through the filling case 300-1a in the longitudinal direction (or up-down direction) of the filling case 300-1a, and the filling A first communication hole 320 formed on one surface (eg, upper surface) of the case 300-1a and connected to the communication path 303, and the other surface (eg, lower surface) of the filling case 300-1a, and It may include a second communication hole (303a) connected to the communication path (303).

When the through-hole 310 is referred to as the first through-hole 310, the filling case 300-1a is formed on one surface (eg, upper surface) of the filling chamber 302 and is formed in a first communication with the filling space 302a. Two through-holes 330 may be further included.

The second through hole 330 may be disposed between the first through hole 310 and the first communication hole 320 in the radial direction of the filling case 300 - 1a.

On the other hand, the guide spacer 200 - 1 is a nozzle surface 210 , a guide surface 230 , a nozzle surface 210 and an outlet 220 communicating the guide surface 230 , and a filtering filter unit 100 . It may include a first inlet 210a through which water discharged from the inlet flows, and a second inlet 230a through which water discharged from the active ingredient supply unit 300 is introduced.

The second inlet 230a and the outlet 220 may be disposed on the same plane. Accordingly, the second inlet 230a may have an annular shape in which the outlet 220 is disposed at the center.

The spout 220 may be in contact with the first through hole 310 . The spout 220 may be inserted into the first through hole 310 . Almost all of the water discharged from the spout 220 may be introduced into the first through hole 310 .

The second inlet 230a may overlap the second through hole 330 and the first communication hole 320 . The second through hole 330 and the first communication hole 320 may be covered by the second inlet 230a. The guide surface 230 may cover the first communication hole 320 and the second through hole 330 , and may form a flow path connecting the first communication hole 320 and the second through hole 330 . there is.

Water discharged through the spout 220 flows into the filling space 302a through the first through-hole 310, and the water supplied with the active ingredient in the filling space 302a passes through the second through-hole 330. The filling space 302a is discharged to the outside, and the guide surface 230 may guide the water discharged through the second through hole 330 to the first communication hole 320 and the communication path 303 .

In this way, since the inlet and outlet entering the filling space 302a are separately provided, the flow of water becomes smoother than when water enters and exits the filling space through one through-hole, and the active ingredient of the filler 500 can be more effectively eluted. there is.

In the above, specific embodiments have been shown and described. However, it is not limited only to the above-described embodiments, and those of ordinary skill in the art to which the invention pertains can make various changes without departing from the spirit of the invention described in the claims below. .

One; filter for water purifier
10; housing
100; filtration filter unit
200; guide spacer
300; active ingredient supply
400; antibacterial filter

Claims (5)

a housing provided with an inlet and an outlet;
a filtration filter unit for filtering the water flowing in through the inlet;
an active ingredient supply unit for supplying an active ingredient to the water that has passed through the filter unit;
an antibacterial filter unit provided to antibacterially treat the water supplied with the active ingredient by the active ingredient supply unit; and
A guide spacer disposed between the filtering filter unit and the active ingredient supply unit and guiding the water passing through the filtering filter unit to the active ingredient supply unit;
The active ingredient supply unit
a filling case having a filling space formed therein and including a through hole communicating with the filling space; and
It is filled in the filling space, the filling material comprising an active ingredient that is provided to be eluted in the water passing in and out of the through hole;
The guide spacer is
a nozzle face facing the filtering filter unit and corresponding to the through-hole to form an outlet for ejecting water toward the through-hole; and
A filter for water purifier comprising a; a guide surface facing the active ingredient supply unit and reversely changing the direction of the water discharged from the active ingredient supply unit through the through hole.


delete According to claim 1,
The antibacterial filter unit
A filter for a water purifier comprising a; a filter ball formed by sintering silver (Ag) nano ceramic powder.




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