KR20240077884A - Water purifier - Google Patents

Abstract

According to one aspect of the present invention, a water purification filter providing purified water by filtering incoming raw water; A first water storage unit for storing purified water, a first air storage unit for storing air, and a first water storage unit formed of a non-permeable material to independently partition the first water storage unit and the first air storage unit and have elasticity. a first storage tank including a separation membrane and configured to cause the first air storage portion to shrink when the first water storage portion expands, and to cause the first water storage portion to shrink when the first air storage portion expands; A second water storage unit for storing water, a second air storage unit for storing air, and a second water storage unit formed of a non-permeable material to independently partition the second water storage unit and the second air storage unit, and having elasticity. a second storage tank including two separation membranes and configured to cause the second air storage portion to shrink when the second water storage portion expands, and to cause the second water storage portion to shrink when the second air storage portion expands; a flow channel connecting the purified water filter, the first storage tank, and the second storage tank to provide a passage through which the raw water, the purified water, and the air flow; and a valve unit including a plurality of valve modules that are selectively opened and closed to control the flow of the raw water, the purified water, and the air in the flow channel, wherein the flow channel is operated from the first air storage unit that is reduced. The first air storage unit and the second air storage unit are configured such that the discharged air flows into the second air storage unit, or the air discharged from the shrinking second air storage unit flows into the first air storage unit. It includes an air passage connected to provide a passage for the air to flow, and the first water storage unit causes expansion of the first air storage unit when the air flows into the first air storage unit through the air passage. The second water storage unit is contracted to discharge the purified water, and when the air flows into the second air storage unit through the air passage, the second water storage unit is contracted by expansion to discharge the water. A water purifier may be provided.

Description

Water purifier{WATER PURIFIER}

The present invention relates to a water purifier.

In general, a water purifier is a device that receives water from a water source such as a tap, filters it into purified water through a filter provided therein, and then provides the purified water to the user. These water purifiers can provide not only purified water but also hot water to users.

A conventional water purifier may include a water filter for filtering raw water and a storage unit for storing purified water filtered by the water filter. In addition, the storage unit of a conventional water purifier includes a purified water storage unit for storing or discharging purified water, a living water storage unit for storing or discharging residential water, and a partition that divides the purified water storage unit and the residential water storage unit and can be deformed by pressure. Includes. In addition, the partition wall is deformed so that when raw water flows into the living water storage part, the living water storage part expands and the purified water storage part contracts to discharge purified water, and when purified water flows into the living water storage part, the purified water storage part expands and the living water storage part contracts. It can be transformed to discharge household water.

However, there is a problem that if the partition wall of a conventional water purifier is damaged, the purified water may be contaminated. In other words, if the partition wall is damaged, the domestic water from the residential water storage unit may flow into the purified water storage unit, or the purified water from the purified water storage unit may flow into the residential water storage unit, causing the purified water and residential water to be mixed.

In this regard, the applicant's Korean Patent Publication No. 10-2016-0025948 "Water Treatment Device" (Patent Document 1) includes a purification chamber into which purified water can be introduced or discharged, a living water chamber into which living water can be introduced or discharged, and purified water. A water treatment device is disclosed that includes a storage portion that partitions a chamber and a living water chamber and includes a partition wall that can be deformed by pressure.

However, if the diaphragm of the water treatment device of Patent Document 1 is damaged, there is a problem that purified water may be contaminated. In other words, if the diaphragm of Patent Document 1 is damaged, purified water from the purified water chamber flows into the living water chamber or becomes contaminated. Living water flows into the purification chamber so that purified water and living water can be mixed.

Korean Patent Publication No. 10-2016-0025948 (published March 9, 2016)

An embodiment of the present invention is intended to provide a water purifier that can prevent purified water from being contaminated even if the separator is damaged and can discharge purified water by air pressure.

According to one aspect of the present invention, a water purification filter providing purified water by filtering incoming raw water; A first water storage unit for storing purified water, a first air storage unit for storing air, and a first water storage unit formed of a non-permeable material to independently partition the first water storage unit and the first air storage unit and have elasticity. a first storage tank including a separation membrane and configured to cause the first air storage portion to shrink when the first water storage portion expands, and to cause the first water storage portion to shrink when the first air storage portion expands; A second water storage unit for storing water, a second air storage unit for storing air, and a second water storage unit formed of a non-permeable material to independently partition the second water storage unit and the second air storage unit, and having elasticity. a second storage tank including two separation membranes and configured to cause the second air storage portion to shrink when the second water storage portion expands, and to cause the second water storage portion to shrink when the second air storage portion expands; a flow channel connecting the purified water filter, the first storage tank, and the second storage tank to provide a passage through which the raw water, the purified water, and the air flow; and a valve unit including a plurality of valve modules that are selectively opened and closed to control the flow of the raw water, the purified water, and the air in the flow channel, wherein the flow channel is operated from the first air storage unit that is reduced. The first air storage unit and the second air storage unit are configured such that the discharged air flows into the second air storage unit, or the air discharged from the shrinking second air storage unit flows into the first air storage unit. It includes an air passage connected to provide a passage for the air to flow, and the first water storage unit causes expansion of the first air storage unit when the air flows into the first air storage unit through the air passage. The second water storage unit is contracted to discharge the purified water, and when the air flows into the second air storage unit through the air passage, the second water storage unit is contracted by expansion to discharge the water. A water purifier may be provided.

Additionally, a water purifier may be provided in which the first air storage portion is formed to surround at least a portion of the first water storage portion, and the second water storage portion is formed to surround at least a portion of the second air storage portion.

In addition, when the purified water is discharged from the first water storage unit, the pressure of the air stored in the first air storage unit and the second air storage unit is formed at a pressure higher than atmospheric pressure. A water purifier may be provided. .

Additionally, a water purifier may be provided in which the first water storage unit is detachably connected to the flow channel.

In addition, the plurality of valve modules are opened and closed based on a plurality of flow modes, the plurality of flow modes include a water purification storage mode for storing the purified water filtered by the water purification filter, and the plurality of valve modules are When in the purified water storage mode, the purified water is stored in the first water storage unit, and the water discharged from the shrinking second water storage unit is opened and closed by the second air storage unit to be discharged to the outside. may be provided.

In addition, the plurality of valve modules are opened and closed based on a plurality of flow modes, the plurality of flow modes include a purified water discharge mode for discharging the purified water to the outside, and the plurality of valve modules are configured to operate in the purified water discharge mode. At this time, a water purifier can be provided that opens and closes so that the water flows into the second water storage unit and the purified water discharged from the shrinking first water storage unit is discharged to the outside by the first air storage unit. there is.

In addition, it further includes an air injection unit connected to the air passage to inject air into the first air storage unit and the second air storage unit, wherein the plurality of valve modules are opened and closed based on a plurality of flow modes, The plurality of flow modes further include an air injection mode for injecting air into the first air storage unit and the second air storage unit through the air injection unit, and the plurality of valve modules are in the air injection mode. , a water purifier can be provided that opens and closes so that the air contained in the first water storage unit is discharged to the outside.

In addition, the flow channel includes a raw water supply passage connected to the water purification filter to provide a passage through which the raw water flows into the water purification filter; At least a portion of the raw water flowing in the raw water supply passage flows into the second water storage unit, or the raw water supply passage is connected to the second water storage unit so that the raw water discharged from the second water storage unit flows. A raw water connection channel that provides a passage through which raw water flows; A water purifier may be provided, including a raw water discharge passage connected to the raw water connection passage to provide a passage through which the raw water flows so that the raw water discharged from the second water storage unit is discharged to the outside.

In addition, a raw water supply source connected to the raw water supply passage and discharging the raw water flowing in from the outside into the raw water supply passage; and a pretreatment filter for preprocessing the raw water, wherein the pretreatment filter is provided in the raw water supply passage and is disposed between a point where the raw water connection passage and the raw water supply passage are connected and the raw water supply source, or A water purifier may be provided, disposed between the point where the raw water connection passage and the raw water supply passage are connected and the water purification filter.

In addition, the flow channel connects the water purification filter and the second water storage unit to flow the domestic water discharged from the water purification filter to the second water storage unit or to allow the domestic water discharged from the second water storage unit to flow. A pressurized water flow path that provides a passage through which the domestic water flows; A water purifier may be provided, further comprising a pressurized water discharge passage connected to the pressurized water flow passage to provide a passage through which the domestic water flows to discharge the domestic water discharged from the second water storage unit to the outside.

Additionally, a water purifier may be provided in which the first storage tank is formed to be smaller than the second storage tank.

Since the purified water of the water purifier according to the present invention is stored in the first water storage unit, and the water is stored in the second water storage unit, the purified water is not contaminated by water even if either the first separation membrane or the second separation membrane is damaged. This can be prevented.

Additionally, because air can flow between the first air storage unit and the second air storage unit, purified water and water can flow smoothly inside the water purifier.

In addition, when the air pressure of the first air storage unit and the second air storage unit is in the purified water discharge mode, the purified water can be set to a pressure higher than atmospheric pressure, so the purified water can be smoothly discharged to the outside.

Additionally, since the first air storage unit can be formed to surround the first water storage unit, contamination of the first water storage unit can be prevented.

Additionally, since the first water storage unit can be separated from the flow channel, the first water storage unit can be easily cleaned.

Additionally, since the first storage tank can be formed to be smaller than the second storage tank, purified water can be efficiently discharged by expansion and contraction of the second water storage portion and the second air storage portion of the second storage tank.

Additionally, in the air injection mode, air can flow into the first air storage unit and the second air storage unit, so the first air storage unit and the second air storage unit can be maintained at an air pressure higher than atmospheric pressure.

Additionally, in the air injection mode, air from the first water storage unit and the second water storage unit can be discharged to the outside, so the water storage capacity of the first water storage unit and the second water storage unit can be increased.

In addition, since raw water may flow into the second water storage unit or be discharged from the second water storage unit by the raw water supply flow path, the raw water connection flow path, and the raw water discharge flow path, the air may flow into either the first air storage part or the second air storage part. It can flow smoothly to one place.

In addition, raw water can be pretreated by a pretreatment filter before it flows into the purified water filter, and purified water can be posttreated by a posttreatment filter before it is discharged, so clean water can be provided to users.

Additionally, when in the purified water discharge mode, the plurality of valve modules can be opened and closed so that household water discharged from the purified water filter flows into the second water storage unit, so that the purified water filter can be cleaned.

In addition, since household water can be stored in the second water storage unit or discharged from the second water storage unit by the pressurized water flow passage and the pressurized water discharge passage, air is stored in either the first air storage unit or the second air storage unit. can flow smoothly.

1 is a diagram showing a water purifier according to a first embodiment of the present invention.
Figure 2 is a diagram showing the flow path of water and air when the water purifier of Figure 1 is in purified water storage mode.
Figure 3 is a diagram showing the flow path of water and air when the water purifier of Figure 1 is in purified water discharge mode.
Figure 4 is a diagram showing the air flow path when the water purifier of Figure 1 is in air injection mode.
FIG. 5 is a diagram showing that the pre-treatment filter of the water purifier of FIG. 1 is provided in the raw water supply passage 410, and is located between the point where the raw water supply passage and the raw water connection passage are connected and the water purification filter.
Figure 6 is a diagram showing a water purifier according to a second embodiment.
Figure 7 is a diagram showing the flow path of water and air when the water purifier of Figure 5 is in purified water storage mode.
Figure 8 is a diagram showing the flow path of water and air when the water purifier of Figure 5 is in purified water discharge mode.

Hereinafter, specific embodiments for implementing the technical idea of the present invention will be described in detail with reference to the drawings.

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

Additionally, when a component is mentioned as being 'connected' to another component, it should be understood that it may be directly connected to the other component, but that other components may exist in between.

The terms used in this specification are merely used to describe specific embodiments and are not intended to limit the invention. Singular expressions include plural expressions unless the context clearly dictates otherwise.

In addition, it should be noted in advance that expressions such as upper, lower, and side in this specification are explained based on the drawings, and may be expressed differently if the direction of the object in question changes. For the same reason, in the accompanying drawings, some components are exaggerated, omitted, or schematically shown, and the size of each component does not entirely reflect the actual size.

Additionally, terms including ordinal numbers, such as first, second, etc., may be used to describe various components, but the components are not limited by these terms. These terms are used only to distinguish one component from another.

As used in the specification, the meaning of "comprising" is to specify a specific characteristic, area, integer, step, operation, element, and/or component, and to specify another specific property, area, integer, step, operation, element, component, and/or group. It does not exclude the existence or addition of .

Hereinafter, a water purifier 1 according to an embodiment of the present invention will be described with reference to the drawings.

Referring to Figure 1, the water purifier 1 according to an embodiment of the present invention can provide clean water to the user by filtering water supplied from the outside. This water purifier (1) includes a water purification filter (100), a first storage tank (200), a second storage tank (300), a flow channel (400), an air injection unit (500), a valve unit (600), and a pretreatment filter ( 700), a post-treatment filter 800, a raw water supply source 900, an outlet 1000, and a controller 1100.

The water purification filter 100 can provide purified water by filtering incoming raw water. When the water purification filter 100 is configured to filter a portion of the inflow raw water, the remaining unfiltered water can be provided as domestic water. For example, the water purification filter 110 may be a reverse osmosis filter. In this specification, raw water is defined as water before filtration in the water purification filter 100, regardless of whether it is filtered in the pre-treatment filter 700, and purified water is defined as water before filtration in the post-treatment filter 800. Defined as filtered water at (100). In addition, residential water is defined as water that has not been filtered by the water purification filter 100.

The first storage tank 200 may be configured to store purified water and air and discharge one or more of air and purified water. A plurality of first storage tanks 200 may be formed and connected to the flow channel 400 in parallel. Additionally, the purified water tank 120 may be sealed to prevent external foreign substances from entering, and may include a non-elastic housing (first non-elastic housing). This first storage tank 200 may include a first water storage unit 210, a first air storage unit 220, and a first separation membrane 230.

The first water storage unit 210 may be configured to store purified water discharged from the water purification filter 100 or to discharge the stored purified water. This first water storage unit 210 can discharge purified water while shrinking when the first air storage unit 220 expands, and expands when purified water flows in to shrink the first air storage unit 220. You can do it. Additionally, the first water storage unit 210 may be detachably connected to the flow channel 400.

The first air storage unit 220 may be configured to store air or discharge air. This first air storage unit 220 may contract and discharge air when the first water storage unit 210 expands. Additionally, when air is introduced, the first air storage unit 220 may expand and shrink the first water storage unit 210. For example, the first air storage unit 220 may be formed to surround at least a portion of the first water storage unit 210 so that the first water storage unit 210 is not exposed to the outside. The pressure of the air stored in the first air storage unit 220 and the second air storage unit 320 may be formed to a pressure greater than atmospheric pressure when purified water is discharged from the first water storage unit 210.

The first separation membrane 230 is made of a non-permeable material and can independently separate the first water storage unit 210 and the first air storage unit 220 and have elasticity. An impermeable material may refer to a material through which gas and liquid cannot permeate, and may be an elastic material that can expand and contract by air pressure or liquid pressure. For example, the first separator 230 is made of polyolefin plastomer (POP), polyolefin elastomer (POE), polyethylene (PE), linear low density polyethylene (LLDPE), and polyethylene. It may be made of vinyl chloride (PVC, polyvinyl chloride), ethylene-vinyl acetate (EVA), or silicone material.

When the first water storage unit 210 is expanded by the first separation membrane 230, the first air storage unit 220 is contracted, and when the first air storage unit 220 is expanded, the first water storage unit 210 is expanded. The storage unit 210 may be reduced. The first separator 230 may be accommodated in the first non-elastic housing.

The second storage tank 300 may be configured to store water and air and discharge one or more of air and purified water. Additionally, the second storage tank 300 may be formed to be larger than the first storage tank 200. The second storage tank 300 may be sealed to prevent external foreign substances from entering, and may include a non-elastic housing (second non-elastic housing). This second storage tank 300 may include a second water storage unit 310, a second air storage unit 320, and a second separation membrane 330.

The second water storage unit 310 may be configured to store water or discharge the stored water. This second water storage unit 310 can discharge water while shrinking when the second air storage unit 320 expands, and expands when water flows in to shrink the second air storage unit 320. You can do it. The water stored in this second water storage unit 310 may be raw water. For example, the second water storage unit 310 may be formed to surround at least a portion of the second air storage unit 320.

The second air storage unit 320 may be configured to store air or discharge the stored air. This second air storage unit 320 may contract and discharge air when the second water storage unit 310 expands. Additionally, when air is introduced, the second air storage unit 320 may expand and shrink the second water storage unit 310.

The second separation membrane 330 is made of a non-permeable material and can independently separate the second water storage unit 310 and the second air storage unit 320 and have elasticity. When the second water storage unit 310 is expanded by the second separation membrane 330, the second air storage unit 320 is contracted, and when the second air storage unit 320 is expanded, the second water storage unit 320 is expanded. The storage unit 310 may be reduced. The second separator 330 may be accommodated in the second non-stretchable housing.

The flow channel 400 connects the water purification filter 100, the first storage tank 200, and the second storage tank 300 to provide a passage through which raw water, purified water, domestic water, and air flow. These flow channels 400 include a raw water supply passage 410, a purified water flow passage 420, a purified water discharge passage 430, a fresh water discharge passage 440, an air passage 450, a raw water connection passage 460, and raw water. It may include a discharge passage 470.

The raw water supply passage 410 may provide a passage through which raw water discharged from the raw water supply source 900 flows. Additionally, the raw water supply passage 410 may be connected to the water purification filter 100. Raw water can flow to the water purification filter 100 through this raw water supply passage 410.

The purified water flow path 420 may provide a passage through which purified water discharged from the purified water filter 100 flows. Additionally, the purified water flow path 420 may be connected to the first water storage unit 210. Purified water can flow into the first water storage unit 210 through this purified water flow path 420.

The purified water discharge passage 430 may provide a passage through which purified water discharged from the first water storage unit 210 flows. Additionally, the purified water discharge channel 430 may be connected to the purified water flow channel 420 and the outlet 1000. Through this purified water discharge passage 430, purified water discharged from the first water storage unit 210 may flow to the outlet 1000 and be discharged to the outside of the water purifier 1.

The fresh water discharge passage 440 may provide a passage through which the household water discharged from the water purification filter 100 flows. Living water can be discharged to the outside of the water purifier (1) through this fresh water discharge channel 440.

The air flow path 450 may provide a passage through which air flows. The air flow path 450 may be connected to the first air storage unit 220 and the second air storage unit 320. The first air storage unit 220 and the second air storage unit 320 may be connected in series through this air passage 450. In addition, by the air flow path 450, air is discharged from the contracted first air storage unit 220 and flows to the second air storage unit 320, or is discharged from the contracted second air storage unit 320 to the second air storage unit 320. 1 may flow into the air storage unit 220.

The raw water connection passage 460 may provide a passage through which raw water flows to the second water storage unit 310. The raw water connection passage 460 may be connected to the raw water supply passage 410 and the second water storage unit 310. At least a portion of the raw water flowing in the raw water supply passage 410 may flow into the second water storage unit 310 by this raw water connection passage 460.

The raw water discharge passage 470 may provide a passage through which raw water flows so that the raw water discharged from the second water storage unit 310 is discharged to the outside of the water purifier (1). The raw water discharge passage 470 may be connected to the raw water connection passage 460. Through this raw water discharge passage 470, raw water discharged from the second water storage unit 310 can be discharged outside the water purifier.

The air injection unit 500 may inject air introduced from the outside into the first air storage unit 220 and the second air storage unit 320. The air injection unit 500 may be connected to the air passage 450. By this air injection unit 500, when air is injected into the first air storage unit 220 and the second air storage unit 320 through the air passage 450, the first air storage unit 220 and the second air storage unit 320 2 The air storage unit 320 can be expanded. In addition, when the first air storage part 220 and the second air storage part 320 expand, the first water storage part 210 and the second water storage part 310 shrink and the first water storage part 210 ) and the air contained in the second water storage unit 310 may be discharged.

The valve unit 600 may include a plurality of valve modules that are selectively opened and closed to control the flow of raw water, purified water, domestic water, and air in the flow channel 400. These plurality of valve modules may include a first valve module 610, a second valve module 620, a third valve module 630, a fourth valve module 640, and a fifth valve module 650. .

The first valve module 610 is provided in the raw water supply passage 410 and can be opened and closed to allow raw water to flow into the water purification filter 100. For example, the first valve module 610 is provided in the raw water supply passage 410, and may be located between the point where the raw water connection passage 460 and the raw water supply passage 410 are connected and the water purification filter 100. there is. When the first valve module 610 is opened, raw water can flow to the water purification filter 100 and be filtered.

The second valve module 620 is provided in the raw water connection passage 460 and can be opened and closed to allow raw water to flow into the second water storage unit 310. When the second valve module 620 is opened, at least a portion of the raw water flowing in the raw water supply passage 410 may flow into the raw water connection passage 460.

The third valve module 630 is provided in the raw water discharge passage 470 and can be opened and closed so that raw water discharged from the second water storage unit 310 is discharged to the outside of the water purifier (1). When this third valve module 630 is opened, raw water flowing in the raw water connection passage 460 can be discharged to the outside through the raw water discharge passage 470.

The fourth valve module 640 is provided in the purified water discharge passage 430 and can be opened and closed so that purified water discharged from the first water storage unit 210 flows to the discharge port 1000. For example, the fourth valve module 640 may be provided in the purified water discharge passage 430 and located between the post-treatment filter 800 and the outlet 1000. When the fourth valve module 640 is opened, purified water flowing in the purified water flow passage 420 may be discharged to the outside of the water purifier 1 through the purified water discharge passage 430 and the outlet 1000.

The fifth valve module 650 is provided in the raw water supply passage 410 and can be opened and closed to allow raw water to flow into the raw water supply passage 410. For example, the fifth valve module 650 may be provided in the raw water supply passage 410 and located between the pre-treatment filter 700 and the raw water supply source 900. When the fifth valve module 650 is opened, raw water from the raw water supply source 900 can flow into the raw water supply passage 410.

Meanwhile, a plurality of valve modules may be opened and closed based on a plurality of flow modes. The plurality of flow modes may include a purified water storage mode, a purified water discharge mode, and an air injection mode.

Referring to FIG. 2, the purified water storage mode is a mode for storing purified water filtered by the water purification filter 100 in the first water storage unit 210. In the purified water storage mode, raw water flows to the purified water filter 100 and is filtered into purified water, and the purified water flows to the second water storage unit 310 to expand the second water storage unit 310. Due to the expanded second water storage unit 310, the air in the first air storage unit 220 may flow to the second air storage unit 320, thereby expanding the second air storage unit 320. When the second air storage unit 320 is expanded, the water stored in the second water storage unit 310 may be discharged and discharged to the outside.

In this purified water storage mode, the plurality of valve modules allow purified water to flow into the first water storage unit 210, and the second water storage unit 310 is contracted by the expanded second air storage unit 320. It can be opened and closed so that the water discharged from it is discharged to the outside. In other words, when in the purified water storage mode, the first valve module 610 and the fifth valve module 650 are opened so that raw water flows to the purified water filter 100 through the raw water supply passage 410 and is filtered, and the second valve module 650 is opened. The third valve module 630 may be opened so that raw water in the water storage unit 310 is discharged to the outside through the raw water discharge passage 470. Additionally, when in the purified water storage mode, the second valve module 620 and the fourth valve module 640 may be closed.

Referring to Figure 3, the purified water discharge mode is a mode for discharging purified water to the outside. In the purified water discharge mode, raw water flows to the second water storage unit 310, causing the second water storage unit 310 to expand, and the expanded second water storage unit 310 causes the second air storage unit ( The air in 320 may flow into the first air storage unit 320 to expand the first air storage unit 320. By the expanded first air storage unit 320, purified water in the first water storage unit 210 can be discharged to the outside.

In this purified water discharge mode, the plurality of valve modules allow water to flow into the second water storage unit 310, and purified water is discharged from the first water storage unit 210, which is reduced by the first air storage unit 220. It can be opened and closed so that it can be discharged to the outside. In other words, in the purified water discharge mode, the second valve module 620 and the fifth valve module 650 are opened so that raw water flows into the second water storage unit 310, and the raw water flows from the second water storage unit 310. The fifth valve module 650 may be opened so that the discharged purified water is discharged to the outside. Additionally, when in the purified water discharge mode, the first valve module 610 and the third valve module 630 may be closed.

Referring to FIG. 4, the air injection mode is a mode for injecting air into the first air storage unit 220 and the second air storage unit 320 through the air injection unit 500.

In the air injection mode, air is injected into the first air storage unit 220 and the second air storage unit 320 to expand the first air storage unit 220 and the second air storage unit 320. . Air may be discharged from the first water storage unit 210 and the second water storage unit 310 by the expanded first air storage unit 220 and the second air storage unit 320 and discharged to the outside.

In this air injection mode, the plurality of valve modules may be opened and closed so that air contained in one or more of the first water storage unit 210 and the second water storage unit 310 is discharged to the outside. In other words, when in the air injection mode, at least one of the third valve module 630 and the fourth valve module 640 may be open, and the first valve module 610 and the second valve module 620 may be closed. there is. When the third valve module 630 is opened in the air injection mode, the air discharged from the second water storage unit 310 may be discharged to the outside through the raw water discharge passage 470. In addition, when the fourth valve module 640 is opened in the air injection mode, the air discharged from the second water storage unit 310 passes through the purified water flow passage 420, the purified water discharge passage 430, and the outlet 1000. It may be discharged to the outside.

Referring further to FIG. 5, the pre-treatment filter 700 can filter raw water flowing into the water purifier 1 before it flows into the water purification filter 100. In other words, the pre-treatment filter 700 can pre-process the raw water supplied to the water purification filter 100. As an example, the pre-treatment filter 700 is provided in the raw water supply passage 410, and may be located between the point where the raw water supply passage 410 and the raw water connection passage 460 are connected and the raw water supply source 900. Raw water can be pretreated by this pretreatment filter 700 and flow into the water purification filter 100 or the second water storage unit 310. As another example, the pre-treatment filter 700 is provided in the raw water supply passage 410, and may be located between the point where the raw water supply passage 410 and the raw water connection passage 460 are connected and the water purification filter 100. By this pretreatment filter 700, raw water can flow to the second water storage unit 310 in an unpretreated state when in the purified water discharge mode, and can be pretreated and flow into the purified water filter 100 when in the purified water storage mode. there is.

The post-treatment filter 800 can filter the purified water filtered in the water purification filter 100 again before it flows to the outlet 1000. In other words, the post-processing filter 800 can post-process the purified water discharged from the first water storage unit 210. This post-treatment filter 800 may be provided in the purified water discharge passage 430.

The raw water supply source 900 can receive raw water from outside. This raw water supply source 900 provides raw water containing at least one of hot water and cold water from one or more of a hot water faucet capable of providing hot water, which is relatively warm raw water, and a cold water faucet, which can provide cold water, which is relatively cold raw water. can be supplied. Additionally, the raw water supply source 900 may be connected to the raw water supply passage 410.

The outlet 1000 can discharge purified water to the outside of the water purifier 1. The outlet 1000 may be provided in the purified water discharge passage 430. The user can be provided with purified water through this outlet 1000.

The controller 1100 can control the opening and closing of a plurality of opening and closing modules based on a plurality of flow modes. This controller 1100 can be implemented by an arithmetic device including a microprocessor, a measuring device such as a sensor, and memory, and since the implementation method is obvious to those skilled in the art, further detailed description will be omitted.

Hereinafter, the operation and effects of the water purifier 1 according to the first embodiment of the present invention will be described.

Since the purified water of the water purifier 1 according to the first embodiment of the present invention is stored in the first water storage unit 210, and the water is stored in the second water storage unit 310, the first separation membrane 230 and Even if any one of the second separation membranes 330 is damaged, water and purified water do not mix. In other words, purified water stored in the first water storage unit 210 can be prevented from being contaminated by water.

Since air can flow between the first air storage unit 220 and the air storage unit 320 by the air passage 450, purified water can be smoothly introduced into the water purifier 1. In other words, even if a separate pump for pressurizing raw water is not provided inside the water purifier (1), when in the purified water discharge mode, purified water is purified by the air flowing into the first air storage unit 220 through the air passage 450. may be discharged to the outside. In addition, the air pressure of the first air storage unit 220 and the second air storage unit 320 can be set to a pressure higher than atmospheric pressure when in the purified water discharge mode, so that purified water can be smoothly discharged to the outside.

Since the first air storage unit 220 can be formed to surround the first water storage unit 210, the first water storage unit 210 can be prevented from being contaminated. In other words, since the first water storage unit 210 is not exposed to the outside by the first air storage unit 220, contamination of purified water can be prevented. Additionally, since the first water storage unit 210 can be separated by the flow channel 400, the first water storage unit 210 can be easily cleaned.

Since the first storage tank 200 is formed smaller than the second storage tank 300, the expansion and contraction of the second water storage part 310 and the second air storage part 320 of the second storage tank 300 Purified water and water can flow efficiently. In addition, the second storage tank 300 can be formed larger than the first storage tank 200, so that even if the first water storage unit 210 is formed in plural and connected in parallel, purified water and water flow smoothly and are stored. It can be released or released.

Since air can be introduced into the first air storage unit 220 and the second air storage unit 320 by the air injection unit 500, the first air storage unit 220 and the second air storage unit 320 can be maintained at high air pressure. In addition, when air flows into the first air storage unit 220 and the second air storage unit 320, the air in the first water storage unit 210 and the second water storage unit 310 is discharged to the outside. Therefore, it is possible to secure as much space as possible to store water and purified water. In other words, the water storage capacity of the first water storage unit 210 and the second water storage unit 310 can be increased.

Since raw water can flow into or be discharged from the second water storage unit 310 by the raw water supply passage 410, the raw water connection passage 460, and the raw water discharge passage 470, the air It can flow smoothly into either the first air storage unit 220 or the second air storage unit 320.

Since raw water is pretreated by the pre-treatment filter 700 before it flows into the purified water filter, and purified water can be post-treated by the post-treatment filter 800 before being discharged, clean water can be provided to users. When this pre-treatment filter 700 is placed between the point where the raw water connection passage 460 and the raw water supply passage 410 are connected and the purified water filter 100, in the purified water discharge mode, raw water is supplied to the pre-treatment filter 700. Since no inflow occurs, the lifespan of the pre-treatment filter 700 can be extended.

Hereinafter, a water purifier 1 according to a second embodiment of the present invention will be described with reference to FIG. 6. In explaining the second embodiment of the present invention, there is a difference in that a plurality of valve modules can be opened and closed so that household water flows into or discharges from the second water storage unit 310 of the water purifier 1, We will mainly explain these differences.

The flow channel 400 of the water purifier 1 according to the second embodiment of the present invention may include a pressurized water flow passage 480 and a pressurized water discharge passage 490.

The pressurized water flow path 480 may provide a passage through which household water discharged from the water purification filter 100 flows. The pressurized water flow path 480 may be connected to the water purification filter 100 and the second water storage unit 310. By this pressurized water flow path 480, the domestic water discharged from the water purification filter 100 can flow into the second water storage unit 310 so that the air storage unit 320 is pressurized. Additionally, raw water to be discharged from the second water storage unit 310 by the pressurized water flow passage 480 may flow into the pressurized water discharge passage 490.

The pressurized water discharge passage 490 may be connected to the pressurized water flow passage 480 to provide a passage through which the household water discharged from the second water storage unit 310 flows. Domestic water can be discharged to the outside of the water purifier (1) through this pressurized water discharge passage 490.

The plurality of valve modules may include a sixth valve module 660 and a seventh valve module 670.

The sixth valve module 660 is provided in the pressurized water flow path 480 and can be opened and closed so that household water is discharged from the water purification filter 100 to the pressurized water flow path 480. When the sixth valve module 660 is opened, at least a portion of the household water discharged from the water purification filter 100 may flow into the second water storage unit 310 through the pressurized water flow passage 480.

The seventh valve module 670 is provided in the pressurized water discharge passage 490 and can be opened and closed so that purified water discharged from the second water storage unit 310 is discharged to the outside. When the seventh valve module 670 is opened, household water discharged from the second water storage unit 310 can flow into the pressurized water flow passage 480 and the pressurized water discharge passage 490.

Referring further to FIG. 7, when in the purified water storage mode, the plurality of valve modules open and close so that purified water is stored in the first water storage unit 210 and household water discharged from the second water storage unit 310 is discharged to the outside. It can be. In other words, when in the purified water storage mode, the first valve module 610 may be opened so that raw water flows to the purified water filter 100 through the raw water supply passage 410 and is filtered. In addition, when in the purified water storage mode, the seventh valve module 670 may be opened so that the domestic water in the second water storage unit 310 is discharged to the outside through the pressurized water flow passage 480 and the pressurized water discharge passage 490. there is. Additionally, when in the purified water storage mode, the fourth valve module 640 and the sixth valve module 660 may be closed.

In other words, in the purified water storage mode, raw water flows to the purified water filter, is filtered as purified water, and flows to the first water storage unit 210 to expand the first water storage unit 210. Due to the expanded first water storage unit 210, the air in the first air storage unit 220 can flow to the second air storage unit 320 to expand the second air storage unit 320. The domestic water in the second water storage unit 310 can be discharged to the outside by the expanded second air storage unit 320.

Referring further to FIG. 8, when the plurality of valve modules are in the purified water discharge mode, household water flows into the second water storage unit 310, and the first water storage unit (which is reduced by the first air storage unit 220) 210) can be opened and closed so that the purified water discharged from the device is discharged to the outside. In other words, in the purified water discharge mode, the first valve module 610 and the sixth valve module 660 are opened so that household water flows into the second water storage unit 310, and the first water storage unit 210 The fourth valve module 640 may be opened so that the purified water discharged from is discharged to the outside. Additionally, when in the purified water discharge mode, the sixth valve module 660 and the seventh valve module 670 may be closed.

In other words, in the purified water discharge mode, the raw water flows into the purified water filter 100, and the domestic water discharged from the purified water filter 100 by the incoming raw water flows into the second water storage unit 310 and becomes the second water. The storage unit 310 can be expanded. Due to the expansion of the second water storage unit 310, the air in the second air storage unit 320 may flow to the first air storage unit 220 to expand the first air storage unit 220. By expansion of the first air storage unit 220, the purified water in the first water storage unit 210 may be discharged to the outside and provided to the user.

Hereinafter, the operation and effects of the water purifier 1 according to the second embodiment of the present invention will be described.

When in the purified water discharge mode, the plurality of valve modules of the water purifier (1) according to the second embodiment of the present invention can be opened and closed so that the household water discharged from the purified water filter (100) flows into the second water storage unit (310). , the water purification filter 100 can be washed. In other words, when the purified water filter 100 is in the purified water discharge mode, it can discharge household water while being washed by incoming raw water.

Because household water can be stored in the second water storage unit 310 or discharged from the second water storage unit 310 by the pressurized water flow passage 480 and the pressurized water discharge passage 490, air is stored in the first air storage unit. It can flow smoothly to any one of (220) and the second air storage unit (320).

Although embodiments of the present invention have been described above as specific embodiments, this is merely an example, and the present invention is not limited thereto, and should be construed as having the widest scope following the technical idea disclosed in this specification. A person skilled in the art may implement a pattern of a shape not specified by combining/substituting the disclosed embodiments, but this also does not depart from the scope of the present invention. In addition, a person skilled in the art can easily change or modify the embodiments disclosed based on the present specification, and it is clear that such changes or modifications also fall within the scope of the present invention.

1: Water purifier
100: Water purification filter 200: First storage tank
210: first water storage unit 220: first air storage unit
230: first separation membrane 300: second storage tank
310: second water storage unit 320: second air storage unit
330: second separator 400: flow channel
410: Raw water supply channel 420: Purified water flow channel
430: Purified water discharge channel 440: Fresh water discharge channel
450: Air flow path 460: Raw water connection flow path
470: Raw water discharge channel 480: Pressurized water flow channel
490: Pressurized water discharge passage 500: Air injection unit
600: valve unit 610: first valve module
620: second valve module 630: third valve module
640: 4th valve module 650: 5th valve module
660: 6th valve module 670: 7th valve module
700: Pre-processing filter 800: Post-processing filter
900: Raw water supply source 1000: Outlet

Claims (11)

A water purification filter that filters incoming raw water and provides purified water;
A first water storage unit for storing purified water, a first air storage unit for storing air, and a first water storage unit formed of a non-permeable material to independently partition the first water storage unit and the first air storage unit and have elasticity. a first storage tank including a separation membrane and configured to cause the first air storage portion to shrink when the first water storage portion expands, and to cause the first water storage portion to shrink when the first air storage portion expands;
A second water storage unit for storing water, a second air storage unit for storing air, and a second water storage unit formed of a non-permeable material to independently partition the second water storage unit and the second air storage unit, and having elasticity. a second storage tank including two separation membranes and configured to cause the second air storage portion to shrink when the second water storage portion expands, and to cause the second water storage portion to shrink when the second air storage portion expands;
a flow channel connecting the purified water filter, the first storage tank, and the second storage tank to provide a passage through which the raw water, the purified water, and the air flow; and
Comprising a valve unit including a plurality of valve modules that are selectively opened and closed to control the flow of the raw water, the purified water, and the air in the flow channel,
The flow channel is,
The first air is stored so that the air discharged from the first air storage unit, which is reduced, flows into the second air storage unit, or the air discharged from the second air storage unit, which is reduced, flows into the first air storage unit. It includes an air passage connecting the storage unit and the second air storage unit to provide a passage for the air to flow,
The first water storage unit
When the air flows into the first air storage unit through the air passage, the first air storage unit expands and contracts to discharge the purified water,
The second water storage unit
When the air flows into the second air storage unit through the air passage, the second air storage unit expands and contracts to discharge the water.
water purifier. According to claim 1,
The first air storage portion is formed to surround at least a portion of the first water storage portion,
The second water storage portion is formed to surround at least a portion of the second air storage portion,
water purifier. According to claim 1,
When the purified water is discharged from the first water storage unit, the pressure of the air stored in the first air storage unit and the second air storage unit is formed at a pressure higher than atmospheric pressure.
water purifier. According to claim 1,
The first water storage unit is detachably connected to the flow channel,
water purifier. According to claim 1,
The plurality of valve modules are opened and closed based on a plurality of flow modes,
The plurality of flow modes include a purified water storage mode for storing the purified water filtered by the purified water filter,
The plurality of valve modules are,
In the purified water storage mode, the purified water is stored in the first water storage unit, and the water discharged from the shrinking second water storage unit is opened and closed by the second air storage unit to be discharged to the outside.
water purifier. According to claim 1,
The plurality of valve modules are opened and closed based on a plurality of flow modes,
The plurality of flow modes include a purified water discharge mode for discharging the purified water to the outside,
The plurality of valve modules are,
In the purified water discharge mode, the water flows into the second water storage unit, and the purified water discharged from the first water storage unit, which is reduced by the first air storage unit, is opened and closed so that the purified water is discharged to the outside.
water purifier. According to claim 1,
It further includes an air injection unit connected to the air flow path to inject air into the first air storage unit and the second air storage unit,
The plurality of valve modules are opened and closed based on a plurality of flow modes,
The plurality of flow modes further include an air injection mode for injecting air into the first air storage unit and the second air storage unit through the air injection unit,
The plurality of valve modules are,
When in the air injection mode, the air contained in the first water storage unit is opened and closed to be discharged to the outside.
water purifier. According to claim 1,
The flow channel is,
a raw water supply passage connected to the water purification filter to provide a passage through which the raw water flows into the water purification filter;
At least a portion of the raw water flowing in the raw water supply passage flows into the second water storage unit, or the raw water supply passage is connected to the second water storage unit so that the raw water discharged from the second water storage unit flows. A raw water connection channel that provides a passage through which raw water flows; and
Comprising a raw water discharge passage connected to the raw water connection passage so that the raw water discharged from the second water storage unit is discharged to the outside, providing a passage through which the raw water flows,
water purifier. According to claim 8,
A raw water supply source connected to the raw water supply passage and discharging the raw water flowing in from the outside into the raw water supply passage; and
Further comprising a pretreatment filter for preprocessing the raw water,
The pretreatment filter is,
Provided in the raw water supply passage, disposed between the point where the raw water connection passage and the raw water supply passage are connected and the raw water supply source, or between the point where the raw water connection passage and the raw water supply passage are connected and the water purification filter,
water purifier. According to claim 1,
The flow channel is,
A passage through which the domestic water flows by connecting the water purification filter and the second water storage unit so that the domestic water discharged from the water purification filter flows into the second water storage unit or the domestic water discharged from the second water storage unit flows. A pressurized water flow path providing a; and
Further comprising a pressurized water discharge passage connected to the pressurized water flow passage to discharge the domestic water discharged from the second water storage unit to the outside, providing a passage through which the domestic water flows,
water purifier. According to claim 1,
The first storage tank is formed smaller than the second storage tank,
water purifier.

Images