KR20210039233A - Complex filter assembly and water purifier having the same - Google Patents

Abstract

The present invention provides a compolex filter assembly having a plurality of inlets and a plurality of outlets, and a water purifier having the same. The compolex filter assembly includes a filter housing having a first inlet, a first outlet, a second inlet, and a second outlet; a first filter unit accommodated in the filter housing to filter water introduced through the first inlet; a second filter unit accommodated in the filter housing to filter water introduced through the second inlet; an inner flow path separating member accommodating the second filter unit therein and dividing a flow path communicating with the first filter unit and a flow path communicating with the second filter unit; an outer flow path separating member positioned in a space between the filter housing and the inner flow path separating member to accommodate the inner flow path separating member therein, wherein the outer flow path separating member divides a first inflow path through which water flows into the first filter unit and a first outlet path through which water is discharged from the first filter unit. The purified water filtered by the first filter unit is discharged through the first outlet, and the purified water filtered by the second filter unit is discharged through the second outlet.

Description

Composite filter assembly and water purifier having the same {COMPLEX FILTER ASSEMBLY AND WATER PURIFIER HAVING THE SAME}

The present invention relates to a composite filter assembly in which a plurality of filters are integrated, and a water purifier having the same, and more particularly, to a composite filter assembly having a plurality of inlets and a plurality of outlets, and a water purifier having the same.

A water purifier is a device that supplies drinking water to users by filtering the inflowed water and then discharging it to the outside.

In such a water purifier, the product system is complex and the volume occupied by the filter on the product increases, increasing the overall size of the product by using a combination of three or more individual filters for filtration of incoming treated water (for example, raw water). There was a problem.

In order to solve this problem, a technique for using two filters in combination has been proposed. For example, a composite filter assembly in which a sediment filter and a pre-carbon filter are integrated as a pretreatment filter, a composite filter assembly in which a pre-carbon filter and a hollow fiber membrane filter are integrated, and the like have also been used.

However, the conventional composite filter assembly has one inlet and one outlet, and a plurality of filters are arranged in series therein. That is, the water introduced through the inlet is filtered through the first filter, and then the water filtered through the first filter is introduced into the second filter, filtered, and then discharged through the outlet.

Such a conventional composite filter assembly has a problem in that the replacement cycle of filters accommodated therein is different, so that if it corresponds to the replacement cycle of some filters, the composite filter assembly must be replaced as a whole, so that the filter with the remaining usage cycle must be replaced. .

In addition, the conventional composite filter assembly has a problem in that a plurality of filters are arranged in series, so that other components cannot be installed between the filters.

KR 10-2003-0096867 A KR 10-2008-0101567 A KR 10-2009-0014436 A

The present invention has been conceived to solve at least some of the problems of the prior art as described above, and has a plurality of filter units and has a plurality of inlet and a plurality of outlets for providing a composite filter assembly and a water purifier having the same do.

In addition, as an aspect of the present invention, it is an object of the present invention to provide a composite filter assembly capable of easily mounting or separating the composite filter assembly in a flow path of a water purifier, and a water purifier having the same.

In addition, as an aspect, an object of the present invention is to provide a composite filter assembly having a high degree of freedom in a flow path configuration and a water purifier having the same.

In addition, as an aspect, an object of the present invention is to provide a composite filter assembly capable of diversifying filters that can be composited, and a water purifier having the same.

In addition, as an aspect, an object of the present invention is to provide a complex filter assembly capable of complexing filters having similar filter exchange cycles, and a water purifier having the same.

In addition, as an aspect, an object of the present invention is to provide a composite filter assembly capable of reducing the total number of filters provided in a water purifier and achieving miniaturization of a product, and a water purifier having the same.

In addition, as an aspect, an object of the present invention is to provide a composite filter assembly capable of increasing management efficiency by reducing the number of filters to be replaced, and a water purifier having the same.

As an aspect for achieving the above object, the present invention includes a filter housing having a first inlet, a first outlet, a second inlet, and a second outlet; A first filter unit accommodated in the filter housing and filtering water introduced through the first inlet; A second filter unit accommodated in the filter housing and filtering water introduced through the second inlet; An inner flow path separating member accommodating the second filter part therein and partitioning a flow path in communication with the first filter part and a flow path in communication with the second filter part; And a first inlet passage through which water flows into the first filter unit and water from the first filter unit, positioned in a space between the filter housing and the inner passage separating member to accommodate the inner passage separating member therein. And an outer flow path separating member for partitioning the discharged first outlet flow path, wherein the purified water filtered by the first filter unit is discharged through the first outlet, and the purified water filtered by the second filter unit is 2 Provides a composite filter assembly discharged through the outlet.

In this case, the first inlet, the first outlet, the second inlet and the second outlet may be all formed on one surface of the filter housing. In addition, the first inlet, the first outlet, the second inlet and the second outlet may be formed on a lower side or an upper side of the filter housing.

In addition, the first inlet, the first outlet, the second inlet and the second outlet may be formed to face the same direction to the filter housing. In this case, the first inlet, the first outlet, the second inlet and the second outlet may have ends formed on the same plane.

In addition, at least one of the first filter unit and the second filter unit may be configured as a composite filter in which a plurality of filter elements are arranged in series in a flow path. As an example, one of the first filter unit and the second filter unit may be configured as a pre-processing filter, and the other may be configured as a post-processing filter, and the pre-processing filter is a composite filter of a sediment filter and a pre-carbon filter. It can be composed of.

In addition, the first filter unit and the second filter unit may be provided on the upper side and the lower side, respectively, based on the longitudinal direction of the filter housing.

In this case, the first filter unit is disposed at a position where the distance to the second inlet is greater than that of the second filter unit, and the inner flow path separation member vertically moves between the first filter unit and the second filter unit. It may include an up-down separation portion divided into and a radial separation portion extending in a longitudinal direction from an end of the vertical separation portion inside the outer flow path separation member.

In addition, the outer flow path separating member includes an up-down partition partitioning between the vertical separation unit and the first filter unit, and a radial partition partitioning between the radial separation unit and an inner circumferential surface of the filter housing. can do.

In addition, the second filter unit may have a second inflow passage formed radially outward, a second outlet passage formed in the center, and the first filter portion may have the first inflow passage formed radially outward, and the center In the first outflow passage may be formed.

In this case, the first inflow passage may extend from the first inlet through a space between the radial separation portion and the inner peripheral surface of the filter housing to the outer side in the radial direction of the first filter portion. In addition, the first outlet passage may be communicated with the first outlet through a connection passage between the vertical separation portion and the vertical partition portion and a connection passage between the radial separation portion and the radial partition portion.

In addition, the filter housing is integrally formed by a housing body and a housing cap incorporated therein, and the first filter unit, the second filter unit, the inner flow path separation member, and the outer flow path separation member are integrally formed inside the filter housing. Can be accommodated in space.

In another aspect, the present invention is a composite filter assembly described above; And a main filter filtering particles finer than a filter element provided in the composite filter assembly, wherein the water to be treated is any one of a first filter part and a second filter part of the composite filter assembly, the main filter, and the A water purifier provided to a user is provided through a flow path passing through the other of the first filter unit and the second filter unit.

In addition, the water purifier according to another aspect of the present invention further includes a composite filter mounting unit having connection ports corresponding to the first inlet, the first outlet, the second inlet and the second outlet, respectively, and the composite filter The first inlet, the first outlet, the second inlet, and the second outlet of the assembly are fitted into the connection port, so that a plurality of flow paths can be connected at once.

In addition, the purified water discharged through the first outlet of the composite filter assembly is configured to flow into the second inlet through the main filter, or the purified water discharged through the second outlet of the composite filter assembly passes through the main filter. It may be configured to flow into the first inlet.

In addition, a branch passage for providing purified water supplied from the composite filter assembly to the main filter to a user without passing through the main filter may be provided in a passage in front of the main filter.

On the other hand, the water purifier according to another aspect of the present invention further includes a pressing unit disposed in the flow path of the front end of the main filter to pressurize the water supplied to the main filter, wherein the main filter includes a reverse osmosis membrane filter. It can be configured.

According to an embodiment of the present invention having such a configuration, it is possible to obtain an effect that a plurality of inlets and a plurality of outlets can be provided in complexing a plurality of filter units.

In addition, according to an embodiment of the present invention, it is possible to obtain an effect that the composite filter assembly can be easily mounted in the flow path of the water purifier or separated from the flow path.

In addition, according to an embodiment of the present invention, there is an effect that the degree of freedom of the flow path configuration is high.

In addition, according to an embodiment of the present invention, it is possible to obtain an effect of diversifying filters that can be combined.

In addition, according to an embodiment of the present invention, there is an effect that filters having a similar filter exchange period can be combined.

In addition, according to an embodiment of the present invention, it is possible to obtain an effect of reducing the total number of filters provided in the water purifier and achieving miniaturization of the product.

In addition, according to an embodiment of the present invention, there is an effect that the number of filters to be replaced can be reduced, thereby increasing the effectiveness of management.

1 is a perspective view of a composite filter assembly according to an embodiment of the present invention, (a) is a perspective view in the upper direction, (b) is a perspective view in the lower direction.
FIG. 2 is a cross-sectional view taken along line II′ of FIG. 1(a) of the composite filter assembly shown in FIG. 1.
3 is a cross-sectional view showing a portion of the vertical direction omitted in order to enlarge the cross-sectional view shown in FIG. 2;
Figure 4 is a schematic view showing the composite filter assembly shown in Figure 1 and the composite filter mounting portion of the water purifier.
5 is a water piping diagram of an embodiment of a water purifier to which the composite filter assembly shown in FIG. 1 is applied.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. However, embodiments of the present invention may be modified in various other forms, and the scope of the present invention is not limited to the embodiments described below. In addition, embodiments of the present invention are provided in order to more completely explain the present invention to those with average knowledge in the art. In the drawings, the shapes and sizes of elements may be exaggerated for clearer explanation.

In addition, in the present specification, expressions in the singular include a plurality of expressions unless the context clearly indicates otherwise, and the same reference numerals throughout the specification refer to the same or corresponding elements.

In addition, in the present specification, the terms'first' and'second' are merely used to distinguish and refer to two similar elements, meaning that'first' and'second' are arranged in order. no.

In addition, in the present specification, expressions such as upper, upper, lower, lower, side, front, and rear are expressed based on the directions shown in the drawings, and it should be noted in advance that if the direction of the corresponding object is changed, it may be expressed differently.

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

First, a composite filter assembly 100 according to an aspect of the present invention will be described with reference to FIGS. 1 to 4.

1 is a perspective view of a composite filter assembly 100 according to an embodiment of the present invention, (a) is a perspective view in an upward direction, (b) is a perspective view in a downward direction, and FIG. 2 is a composite filter assembly shown in FIG. A cross-sectional view of the filter assembly 100 taken along line II′ of FIG. 1(a), FIG. 3 is a cross-sectional view of the filter assembly 100 by omitting a part of the vertical direction in order to enlarge the cross-sectional view shown in FIG. 2, and FIG. It is a schematic diagram showing the composite filter assembly 100 and the composite filter mounting portion (F) of the water purifier 10 shown in FIG.

1 to 4, the composite filter assembly 100 according to an embodiment of the present invention includes a filter housing 101, a first filter unit 110, a second filter unit 150, and an inner flow path. It may be configured to include a separating member 130 and an outer flow path separating member 120.

First, the filter housing 101 may be integrally formed by a housing body 102 and a housing cap 103 incorporated therein.

And, as shown in Figures 1 to 3, the housing body 102 and the housing cap 103 are joined at the junction 104. Such a junction part 104, for example, forms a fusion rib on one side of the housing body 102 and the housing cap 103, and forms a fusion groove for accommodating the fusion rib on the other side, and then, the housing body ( 102) and the housing cap 103 may be formed through a process in which the fusion rib is fused to the fusion groove as the outer circumferential surface of the fusion rib is rubbed against the inner circumferential surface of the fusion groove. However, the bonding method of the housing body 102 and the housing cap 103 is not limited to the above-described fusion bonding and can be variously changed as long as water tightness can be realized.

In FIGS. 1 to 3, the housing body 102 is shown to be positioned at the lower side and the housing cap 103 is positioned at the upper side, but the position can be changed. In addition, in FIGS. 1 to 3, it is shown that the fusion rib is formed in the housing body 102 and the fusion groove is formed in the housing cap 103, but the positions of the fusion rib and the fusion groove can be changed. In addition, although it is shown that the housing cap 103 is coupled to the upper side of the housing body 102 in FIGS. 1 to 3, an inner space may be formed by the combination of the housing body 102 and the housing cap 103. If so, the filter housing 101 may have a structure in which the housing cap 103 is formed on the upper and lower sides of the housing body 102, respectively, and the housing body 102 is manufactured in two or more and then integrally coupled. It is possible.

In addition, the first filter unit 110, the second filter unit 150, the inner flow path separation member 130 and the outer flow path separation member 120 are accommodated in the internal space of the filter housing 101 configured as an integral type. It will be described later.

Meanwhile, the filter housing 101 includes a first inlet P1 through which water flows into the first filter unit 110, a first outlet P2 through which water filtered by the first filter unit 110 flows out, A second inlet P3 through which water flows into the second filter unit 150 and a second outlet P4 through which water filtered by the second filter unit 150 flows out may be formed.

The first inlet (P1), the first outlet (P2), the second inlet (P3) and the second outlet (P4) are the first inlet (P1), the first outlet (P2), the second inlet (P3) and To facilitate the operation of connecting the internal flow path of the water purifier 10 to the second outlet (P4), or separating from the internal flow path of the water purifier 10, all of the filter housing 101, that is, the outlet installation surface 109 Can be formed. For example, the outlet installation surface 109 on which the first inlet P1, the first outlet P2, the second inlet P3, and the second outlet P4 are formed is shown in FIGS. As shown, it may be configured as the lower side of the filter housing 101, but unlike this, it may be configured as the upper side of the filter housing 101. In addition, in FIGS. 1 to 3, the first inlet P1, the first outlet P2, the second inlet P3, and the second outlet P4 are shown to be formed in the housing body 102, but the filter When the housing body 102 is located on the upper side of the housing 101 and the housing cap 103 is located on the lower side, it may be formed on the housing cap 103.

In addition, the first inlet (P1), the first outlet (P2), the second inlet (P3), and the second outlet (P4) face the same direction to the outlet installation surface 109 of the filter housing 101. , For example, it may be formed to face the composite filter mounting portion (F) inside the water purifier (10).

In this way, through at least some of the configurations related to the arrangement positions of the first inlet (P1), the first outlet (P2), the second inlet (P3) and the second outlet (P4), the composite filter assembly 200 and the water purifier ( The internal flow path of 10) can be easily connected or the composite filter assembly 200 can be easily separated from the internal flow path of the water purifier 10. For example, as shown in FIG. 4, the composite filter mounting portion F has a first inlet port P1, a first outlet port P2, a second inlet port P3, and a second outlet port P4, respectively. 1 Inlet-side connection port (Q1), a first outlet-side connection port (Q2), a second inlet-side connection port (Q3), and a second outlet-side connection port (Q4). In this case, the first inlet (P1), the first outlet (P2), the second inlet (P3) and the second outlet (P4) of the composite filter assembly 100 correspond to the connection ports (Q1, Q2, Q3, Q4). ) By being inserted into each of the plurality of flow paths are connected at once, it is possible to obtain an effect that the composite filter assembly 100 can be easily mounted in the flow path of the water purifier 10 or separated from the flow path.

Further, the first inlet P1, the first outlet P2, the second inlet P3, and the second outlet P4 may have ends formed on the same plane. That is, the ends of the first inlet P1, the first outlet P2, the second inlet P3, and the second outlet P4 from the outlet installation surface 109 may have the same height. . In this case, as shown in FIG. 4, the first inlet (P1), the first outlet (P2), the second inlet (P3) and the second outlet (P4) are formed corresponding to the composite filter mounting portion (F), respectively. It is possible to more easily perform the work of coupling to the connection ports (Q1, Q2, Q3, Q4) or disconnecting from the connection ports (Q1, Q2, Q3, Q4). However, some of the first inlet (P1), the first outlet (P2), the second inlet (P3) and the second outlet (P4) have a height protruding from the outlet mounting surface 109, that is, the height of the end. It may be set differently, in this case, by adjusting the height of the connection ports (Q1, Q2, Q3, Q4) formed corresponding to the composite filter mounting portion (F), it is possible to achieve the ease of joining/separating operation.

In addition, the first filter unit 110 is accommodated in the filter housing 101, filters the water introduced through the first inlet (P1), the purified water filtered by the first filter unit 110 is It can be discharged through the outlet (P2). At this time, the first filter unit 110 includes a first filter material 111 for filtering water, and an upper cap 113 that is coupled to an upper portion of the first filter material 111 to support the first filter material 111 And, it may include a lower cap 115 coupled to the lower portion of the first filter material 111 to support the first filter material 111.

In addition, the second filter unit 150 is accommodated in the filter housing 101 and filters water introduced through the second inlet P3, and the purified water filtered by the second filter unit 150 is It can be discharged through the outlet (P4). In this case, the second filter unit 150 includes a second filter material 151 for filtering water, and an upper cap 153 that is coupled to an upper portion of the second filter material 151 to support the second filter material 151 And, it may include a lower cap 155 coupled to the lower portion of the second filter material 151 to support the second filter material 151.

In FIGS. 1 to 3, two filter units, that is, the first filter unit 110 and the second filter unit 150 are shown to be accommodated in the filter housing 101, but the interior of the filter housing 101 The number of filter units provided in is not limited to two, and three or more filter units may be accommodated. In this way, when three or more filter units are accommodated in the filter housing 101, a number of inlets and outlets corresponding to the number of filter units may be formed in the filter housing 101.

And, in the present specification, the terms "first" and "second" are used to refer to the point that the first filter unit 110 and the second filter unit 150 are different components, and thus the order of water flow That is, in the arrangement on the flow path, the first filter unit 110 may be located upstream or downstream of the second filter unit 150. However, in the water piping diagram of FIG. 5 to be described later for convenience of explanation, it is illustrated that the first filter unit 110 is positioned upstream of the second filter unit 150 in a flow path arrangement, and hereinafter, shown in FIG. 3 The flow of water will be described based on the water piping diagram of FIG. 5.

In addition, the first filter material 111 constituting the first filter unit 110 and the second filter material 151 constituting the second filter unit 150 are each a single filter element, for example, a sediment. Filters, pre-carbon filters, post-carbon filters, antibacterial filters, various functional filters, reverse osmosis membrane filters (RO membrane filters), hollow fiber membrane filters, nano-filters (nano trap), etc. may be selected from known filter materials.

At this time, the first filter material 111 constituting the first filter unit 110 and the second filter material 151 constituting the second filter unit 150 are composed of filters having a similar filter exchange cycle, so that the composite filter assembly The use efficiency of (100) can be maximized.

Meanwhile, the first filter material 111 constituting the first filter unit 110 and the second filter material 151 constituting the second filter unit 150 may each include only one of the above-described filter elements. , At least some of the first filter material 111 constituting the first filter unit 110 and the second filter material 151 constituting the second filter unit 150 are formed by combining two or more filter elements. Can be. In this way, when the first filter unit 110 or the second filter unit 150 is composed of a complex filter in which two or more filter elements are combined in combination, the first filter unit 110 or the second filter unit 150 Two or more filter elements included in combination may be arranged in series on a flow path.

For example, one of the first filter unit 110 and the second filter unit 150 may be configured as a pre-processing filter, and the other may be configured as a post-processing filter, and the pre-processing filter is a sediment filter and a pre-carbon filter. The filter may be composed of a composite filter, and the post-processing filter may be composed of a single filter including a post carbon filter or a composite filter. When the first filter unit 110 is composed of a pretreatment filter (composite filter) including a sediment filter and a pre-carbon filter, water flowing into the first filter unit 110 through the first inlet P1 is cedi. After filtering while passing through the ment filter, it may be additionally filtered through a pre-carbon filter, and then flow out through the first outlet P2. In order to form such a serial flow path, two or more filters may be stacked in an up-down direction when the water flow direction is vertical, and when the water flow direction is a radial direction, two or more filters may be stacked in a radial direction.

Meanwhile, as shown in FIGS. 2 and 3, the first filter unit 110 and the second filter unit 150 may be provided on the upper side and the lower side, respectively, based on the longitudinal direction of the filter housing 101. For example, as shown in FIGS. 2 and 3, the first filter unit 110 is disposed in the first area A1 corresponding to the upper side of the filter housing 101, and the lower side of the filter housing 101 The second filter unit 150 may be disposed in the second area A2 corresponding to, but its position may be changed.

In this way, when the first filter unit 110 and the second filter unit 150 are stacked and disposed in the vertical direction, the first filter unit 110 is formed by the inner flow path separation member 130 and the outer flow path separation member 120. ) And the flow paths of the second filter unit 150 may be separated from each other.

Hereinafter, for convenience of explanation, as shown in FIGS. 2 and 3, the first filter unit 110 is disposed above the filter housing 101, and the second filter unit 150 is disposed on the filter housing ( 101) will be described as an example.

2 and 3, the first filter unit 110 is disposed at a position where the distance from the second inlet P3 is greater than that of the second filter unit 150.

In this case, the inner flow path separating member 130 accommodates the second filter unit 150 therein, and the flow paths LL1, LL2, LL3, LL4 communicated with the first filter unit 110 and the second filter unit ( The flow paths LL5 and LL6 communicated with 150 are partitioned.

In addition, the inner flow path separation member 130 includes a vertical separation unit 131 that divides the first filter unit 110 and the second filter unit 150 in the vertical direction, and the inside of the outer flow path separation member 120 In may be provided with a radial separation portion 135 extending in the longitudinal direction from the end of the vertical separation portion 131.

In addition, the outer flow path separation member 120 may be positioned in a space between the filter housing 101 and the inner flow path separation member 130 to accommodate the inner flow path separation member 130 therein. At this time, the outer flow path separating member 120 includes a first inflow path LL1 through which water is introduced into the first filter unit 110 and a first outflow path LL2 through which water is discharged from the first filter unit 110. It can be configured to partition.

In addition, the outer flow path separating member 120 includes a vertical partition portion 121 that partitions between the vertical separation unit 131 and the first filter unit 110 of the inner flow path separation member 130, and the inner flow path separation. A radial partitioning portion 125 for partitioning between the radial separation portion 135 of the member 130 and the inner circumferential surface of the filter housing 101 may be provided.

In addition, as shown in FIGS. 2 and 3, the first filter unit 110 may have a first inflow passage LL1 formed at the outer side in the radial direction, and a first outflow passage LL2 at the center thereof. . In this way, when the area into which water is introduced is formed wide, the contact area between the first filter material 111 of the first filter unit 110 and the incoming water increases, so that the first filter material 111 can be used as a whole. Therefore, the filter usage efficiency is increased.

And, the first inlet passage (LL1) extends from the first inlet (P1) through the space between the radial separation portion 135 and the inner peripheral surface of the filter housing 101 to the outer side in the radial direction of the first filter portion (110). In this case, water introduced through the first inlet P1 may flow into the radially outer portion of the first filter material 111 of the first filter unit 110 through the first inlet passage LL1. have. The water flowing into the radially outer portion of the first filter material 111 through the first inflow passage LL1 is filtered while moving from the radially outer side to the radially inner side (center) of the first filter material 111 It moves to the first outflow passage LL2. In addition, the first outflow passage LL2 is a connection passage LL3 between the vertical separation unit 131 and the vertical partition unit 121 and between the radial separation unit 135 and the radial partition unit 125. It may communicate with the first outlet P2 through the connection passage LL4. Therefore, the water flowing into the first outlet passage LL2 passes through the outlet 116 of the lower cap 115, and the connection passage LL3 between the vertical separation portion 131 and the vertical partition portion 121 and It may be discharged to the first outlet P2 through the connection passage LL4 between the radial separation unit 135 and the radial division unit 125.

In addition, as shown in FIGS. 2 and 3, the second filter unit 150 may have a second inlet passage LL5 formed on the outer side in the radial direction, and a second outlet passage LL6 in the center thereof. . In this way, when the area into which water is introduced is formed wide, the contact area between the second filter material 151 of the second filter unit 150 and the incoming water increases, so that the second filter material 151 can be used as a whole. Therefore, the filter usage efficiency is increased.

In addition, water introduced through the second inlet P3 may flow into a radially outer portion of the second filter material 151 of the second filter unit 150 through the second inlet passage LL5. In addition, the water introduced into the radially outer portion of the second filter material 151 through the second inflow passage LL5 is filtered while moving from the radially outer side of the second filter material 151 to the radially inner side (center). After being moved to the second outlet flow path LL6, it may be discharged to the second outlet P4 through the outlet 156 of the lower cap 155.

In this way, the first filter unit 110 is located in the first region A1 corresponding to the upper side of the filter housing 101, and the second filter unit 150 is positioned at the second area A1 corresponding to the lower side of the filter housing 101. When located in the area A2, in the first area A1, a first inflow passage LL1 and a first outflow passage LL2 are sequentially arranged in the radial direction from the outer side to the center direction, and the second area A2 The first inlet passage LL1, the connection passage LL4, the second inlet passage LL5, and the second outlet passage LL6 are sequentially arranged from the outer side in the radial direction to the center. The number of flow paths arranged on the cross section of the two regions A2 is configured differently. In this way, different number of flow path configurations may be implemented through the above-described configuration of the inner flow path separation member 130 and the outer flow path separation member 120.

Meanwhile, in FIGS. 2 and 3, a first inflow passage LL1 is formed radially outside the first filter unit 110, a first outflow passage LL2 is formed in the center, and the second filter unit 150 ), the second inflow passage LL5 is formed on the outer side in the radial direction, and the second outlet passage LL6 is formed in the center, but the first inflow passage LL1 and the first outflow passage LL2 are described above. ), and the positions of the second inlet passage LL5 and the second outlet passage LL6 may be formed opposite to those of FIGS. 2 and 3.

In addition, a first inlet port P1 connected to the first inlet passage LL1, a first outlet port P2 connected to the first outlet passage LL2, a second inlet port P3 connected to the second inlet passage LL5, Location and flow chart of the second outlet (P4) connected to the second outlet passage (LL6) The first inlet passage (LL1), the first outlet passage (LL2), the second inlet passage (LL5), and the second outlet passage (LL6) It can be changed into various forms according to the arrangement structure of the product.

Next, with reference to FIG. 5, an embodiment of the water purifier 10 including the composite filter assembly 100 described with reference to FIGS. 1 to 4 will be described.

5 is a water piping diagram of an embodiment of a water purifier 10 to which the composite filter assembly 100 shown in FIG. 1 is applied.

As shown in FIG. 5, the water purifier 10 according to an aspect of the present invention may include the above-described composite filter assembly 100 and the main filter 200. That is, the water purifier 10 according to an aspect of the present invention may include the composite filter assembly 100 and the main filter 200 as the filtering unit 20. In addition, the water purifier 10 according to an aspect of the present invention may further include a pressing unit 30 and a composite filter mounting unit F shown in FIG. 4.

1 to 4, the composite filter assembly 100 may include a first filter unit 110 and a second filter unit 150.

In addition, as shown in FIG. 5, when a flow path is formed by using the composite filter assembly 100 and the main filter 200 together, the water to be treated is the first filter unit 110 of the composite filter assembly 100 and the Any one of the second filter units 150, the main filter 200, and the other one of the first filter unit 110 and the second filter unit 150 may be provided to the user through a flow path sequentially.

At this time, according to the flow path connection structure between the first filter unit 110 and the second filter unit 150 and the main filter 200, the filter is filtered by the first filter unit 110 of the composite filter assembly 100 and then 1 The purified water discharged through the outlet (P2) is configured to flow into the second inlet (P3) of the second filter unit 150 through the main filter 200, or the second filter unit ( The purified water filtered at 150) and then discharged through the second outlet P4 may be configured to flow into the first inlet P1 of the first filter unit 110 through the main filter 200.

In this way, the first filter unit 110 of the composite filter assembly 100 may be positioned upstream of the main filter 200 and the second filter unit 150 in a flow path arrangement, or the main filter 200 and the second filter unit 150 Although it may be located downstream of the filter unit 150, for convenience of explanation, the first filter unit 110 will be described as being positioned upstream of the second filter unit 150 in the water piping diagram of FIG. 5. .

First, the first filter unit 110 may be composed of a single filter element, but may be composed of a pre-processing filter (composite filter) including a sediment filter and a pre-carbon filter. In this case, the water flowing into the first filter unit 110 through the first inlet (P1) is filtered while passing through the sediment filter, and then is additionally filtered through the pre-carbon filter and then flows out through the first outlet (P2). Can be.

In addition, the second filter unit 150 may be configured as a post-processing filter including a post carbon filter, and water flowing into the second filter unit 150 through the second inlet P3 passes through the post carbon filter. While being filtered, it may be discharged through the second outlet (P4).

In addition, the main filter 200 may be configured to filter finer particles than the first filter material 111 and the second filter material 151 provided in the composite filter assembly 100. That is, the main filter 200 may be formed of a filter capable of filtering the finest particles among filters provided in the filter unit 20 of the water purifier 10.

As the main filter 200, various known filters such as a reverse osmosis membrane filter (RO membrane filter), a hollow fiber membrane filter, and a nano filter (nano trap) may be used. In the case of the water purifier 10 illustrated in FIG. 5, a case in which a reverse osmosis membrane filter is used as the main filter 200 is illustrated, but the present invention is not limited thereto. However, for convenience of explanation, hereinafter, a case where a reverse osmosis membrane filter is used as the main filter 200 will be described as an example, and the same reference numeral 200 as the main filter 200 will be used for the reverse osmosis membrane filter.

In addition, the pressurizing unit 30 may be disposed in a flow path at the front end of the reverse osmosis membrane filter 200 to pressurize water supplied to the main filter 200, in particular, the reverse osmosis membrane filter, and may be configured as a pump as an example.

And, as shown in Figure 4, the composite filter mounting portion (F) of the water purifier 10 according to an aspect of the present invention is a first inlet (P1), a first outlet (P2), a second inlet (P3) and The first inlet-side connection port (Q1), the first outlet-side connection port (Q2), the second inlet-side connection port (Q3), and the second outlet-side connection port (Q4) respectively corresponding to the second outlet (P4). Accordingly, the connection ports Q1 and Q2 corresponding to the first inlet P1, the first outlet P2, the second inlet P3, and the second outlet P4 of the composite filter assembly 100 are provided. , Q3, Q4) can be connected to a plurality of flow paths at once by being fitted and coupled to each other.

On the other hand, in order to perform filtration through the composite filter assembly 100 and the main filter 200 of the filter unit 20, as shown in FIG. 5, in the interior of the water purifier 10, water filtration and various parts are installed. For this purpose, a plurality of flow paths are formed.

For example, according to the opening of the feed valve (FV) that is turned on or off to supply or cut off the supply of water, the water to be treated (raw water) is passed through the primary filter inlet passage (L1) through the first inlet of the composite filter assembly (100). It flows into (P1). This feed valve (V1) may be provided in the flow path of the front end of the pressing unit 30, for example, may be installed in the primary filter outlet flow path (L2). In addition, a regulator RV for adjusting raw water to a predetermined amount of pressure may be installed in the primary filter intake passage L1. The water flowing into the first inlet P1 is filtered through the first filter unit 110, and the primary purified water first filtered by the first filter unit 110 is discharged through the first outlet P2.

The primary purified water discharged through the first outlet P2 is supplied to the pressurizing unit 30 through the first filter outlet passage L2. At this time, in the first filter outlet passage (L2), a first flow sensor (FS1) that measures the flow rate of the primary purified water, the feed valve (FV), and the TDS (total dissolved solids) of the primary purified water, and the temperature are respectively measured. A first TDS sensor TDS1 and a first temperature sensor TS1 may be installed.

Further, the pressurization unit 30 may be driven to pressurize water supplied to the reverse osmosis membrane filter 200 because sufficient filtration may not be performed in the reverse osmosis membrane filter 200 only by the pressure of raw water.

The primary water pressurized by the pressurizing unit 30 flows into the reverse osmosis membrane filter 200 through the main filter inlet passage L3. In this case, a pressure sensor PS for measuring the pressure of water flowing into the reverse osmosis membrane filter 200 may be installed in the main filter intake passage L3.

The primary water flowing into the reverse osmosis membrane filter 200 is separated into secondary water filtered through a membrane provided in the reverse osmosis membrane filter 200 and concentrated water (living water) that has not passed through the membrane. The concentrated water may be discharged to the drainage passage D through the drain passage LD. At this time, the drain passage LD has a resistance to limit the amount or ratio of the concentrated water discharged through the drain passage LD (the ratio of the water discharged as purified water and the water discharged as concentrated water among the water introduced through the reverse osmosis membrane filter). A valve DV may be installed. That is, filtration pressure is formed in the reverse osmosis membrane filter 200 by the small flow path diameter of the resistance valve (DV), through which some water is filtered through the membrane of the reverse osmosis membrane filter 200, and the remaining water is concentrated as concentrated water. Drainage can be achieved.

On the other hand, the secondary water filtered through the membrane provided in the reverse osmosis membrane filter 200 is filtered through the second filter inlet (P3) through the second filter inlet passage (main filter outlet passage) (L4). ) And filtered. At this time, in the second filter inlet passage (main filter outlet passage) L4, a check valve CV for preventing reverse flow of water from the second filter unit 150 side to the reverse osmosis membrane filter 200, and the reverse osmosis membrane filter 200 A second TDS sensor (TDS2) and a second temperature sensor (TS2) for measuring TDS (total dissolved solids) and temperature of the secondary purified water filtered in) may be installed.

In addition, the secondary water filtered by the second filter unit 150 flows into the second filter outlet passage L5 through the second outlet P4, and thereafter, the first extraction unit S1 made of a faucet or coke, etc. ) Can be supplied to the user. In addition, a second flow sensor FS2 that measures the flow rate of water extracted through the first extraction unit S1 in the second filter outlet flow path L5, and a high pressure switch that generates a signal when a pressure higher than the set pressure is applied. (HPS) can be installed. That is, when the extraction of the first extraction unit S1 is finished and the pressure in the secondary filter outlet passage L5 increases, the control unit (not shown) based on the signal generated from the high pressure switch HPS, the feed valve FV ) Is turned off or the operation of the pressurizing unit 30 is stopped to cut off the supply of water to the reverse osmosis membrane filter 200.

Meanwhile, a branch passage L6 may be installed to provide the first purified water filtered through only the first filter unit 110 to the user through the second extraction unit S2 made of a faucet or coke.

In order to provide the primary water supplied from the composite filter assembly 100 to the main filter 200 to a user without passing through the main filter 200, the branch passage L6 is a front end of the main filter 200. It may be installed on the flow path of, for example, the primary filter outlet flow path L2. There is an advantage that various uses of purified water filtered in the composite filter assembly 100 are possible through the installation of the branch flow path L6.

As described above, the water purifier 10 according to an embodiment of the present invention can reduce the total number of filters provided in the water purifier 10 by combining a plurality of filter units and achieve miniaturization of the product. By reducing the number, it is possible to increase the effectiveness of management. In addition, the water purifier 10 according to an embodiment of the present invention has a high degree of freedom in the configuration of a flow path by installing a plurality of inlets and a plurality of outlets, and it is possible to combine filters spaced apart from each other in the flow path arrangement. Filters that can be used can be diversified, and filters with similar filter replacement cycles can be combined.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and variations are possible without departing from the technical spirit of the present invention described in the claims. It will be obvious to those of ordinary skill in the field.

10... water purifier 20... filter part
30... pressurized part 100... composite filter assembly
101...Filter housing 102...Housing body
103... housing cap 104... junction
109... Outlet inlet mounting surface 110... 1st filter part
111...First filter material 113...Top cap
115... Lower cap 116... Outlet
120... outer flow path separation member 121... vertical division part
125... radial division 130... inner flow path separation member
131... vertical separation 135... radial separation
150... second filter unit 151... second filter material
153... upper cap 155... lower cap
156... Outlet 200... Main filter (reverse osmosis membrane filter)
A1... 1st area A2... 2nd area
CV... check valve D... drainage
DV... Resistance valve F... Composite filter mounting part
FV... Feed valve FS1... 1st flow sensor
FS2... 2nd flow sensor HPS... high pressure switch
L1... primary filter inlet flow channel L2... primary filter outlet flow channel
L3... Main filter inlet flow path
L4...Second filter inlet passage (main filter outlet passage)
L5... 2nd filter outlet flow path L6... Branch flow path
LD... drain flow path
LL1... 1st inflow channel LL2... 1st outflow channel
LL3... connecting flow LL4... connecting flow
LL5... 2nd inflow channel LL6... 2nd outflow channel
P1... 1st inlet P2... 1st outlet
P3... 2nd inlet P4... 2nd outlet
PS... pressure sensor
Q1... 1st inlet side connection port Q2... 1st outlet side connection port
Q3... 2nd inlet side connection port Q4... 2nd outlet side connection port
S1... the first extraction part S2... the second extraction part
TDS1... 1st TDS sensor TDS2... 2nd TDS sensor
TS1... 1st temperature sensor TS2... 2nd temperature sensor

Claims (21)

A filter housing having a first inlet, a first outlet, a second inlet and a second outlet;
A first filter unit accommodated in the filter housing and filtering water introduced through the first inlet;
A second filter unit accommodated in the filter housing and filtering water introduced through the second inlet;
An inner flow path separating member accommodating the second filter part therein and partitioning a flow path in communication with the first filter part and a flow path in communication with the second filter part; And
It is located in the space between the filter housing and the inner flow path separation member and is configured to accommodate the inner flow path separation member therein, and the first inflow passage through which water flows into the first filter unit and water from the first filter unit An outer flow path separating member partitioning the discharged first flow path;
Including,
The purified water filtered by the first filter unit is discharged through the first outlet,
The purified water filtered by the second filter unit is discharged through the second outlet. The method of claim 1,
The first inlet, the first outlet, the second inlet and the second outlet are all formed on one surface of the filter housing. The method of claim 2,
The first inlet, the first outlet, the second inlet and the second outlet are formed on a lower side or an upper side of the filter housing. The method of claim 1,
The first inlet, the first outlet, the second inlet, and the second outlet are formed to face the same direction to the filter housing. The method of claim 4,
The composite filter assembly of the first inlet, the first outlet, the second inlet and the second outlet is formed at the same end of the first inlet port. The method of claim 1,
At least one of the first filter unit and the second filter unit may be configured as a complex filter in which a plurality of filter elements are arranged in series in a flow path. The method of claim 1,
One of the first filter unit and the second filter unit is composed of a pre-treatment filter, and the other is composed of a post-treatment filter. The method of claim 7,
The pre-treatment filter is a composite filter assembly composed of a composite filter of a sediment filter and a pre-carbon filter. The method according to any one of claims 1 to 8,
The composite filter assembly, wherein the first filter unit and the second filter unit are respectively provided on an upper side and a lower side based on a longitudinal direction of the filter housing. The method of claim 9,
The first filter unit is disposed at a position where the distance from the second inlet is greater than that of the second filter unit,
The inner flow path separating member includes an up-down separating portion partitioning between the first filter portion and the second filter portion in an up-down direction, and extending in a longitudinal direction from an end of the vertical separating portion inside the outer passage separating member Composite filter assembly having a radial separation portion. The method of claim 10,
The outer flow path separating member includes a vertical partition partitioning between the vertical separation unit and the first filter unit, and a radial partition partitioning between the radial separation unit and an inner circumferential surface of the filter housing. Filter assembly. The method of claim 11,
A composite filter assembly in which a second inflow passage is formed on the outer side in the radial direction of the second filter unit and a second outlet passage is formed in the center. The method of claim 12,
The composite filter assembly in which the first inflow passage is formed on the outer side in the radial direction of the first filter unit, and the first outlet passage is formed in the center. The method of claim 13,
The first inlet passage is a composite filter assembly extending from the first inlet through a space between the radial separation portion and the inner peripheral surface of the filter housing to the outer side in the radial direction of the first filter portion. The method of claim 13,
The first outlet flow path is a composite filter assembly that communicates with the first outlet through a connection passage between the vertical separation portion and the vertical partition portion and a connection passage between the radial separation portion and the radial partition portion. The method according to any one of claims 1 to 8,
The filter housing is integrally formed by a housing body and a housing cap incorporated therewith,
The first filter unit, the second filter unit, the inner flow path separation member, and the outer flow path separation member are integrally configured to be accommodated in the inner space of the filter housing.
The composite filter assembly of any one of claims 1 to 8; And
A main filter filtering particles finer than the filter material provided in the composite filter assembly;
Including,
The water to be treated is a water purifier provided to the user through a flow path passing through one of the first filter unit and the second filter unit of the composite filter assembly, the main filter, and the remaining one of the first filter unit and the second filter unit. . The method of claim 17,
A composite filter mounting unit having a connection port corresponding to the first inlet, the first outlet, the second inlet, and the second outlet, respectively;
It further includes,
The first inlet, the first outlet, the second inlet and the second outlet of the composite filter assembly are fitted into the connection port, thereby connecting a plurality of flow paths at once. The method of claim 17,
The purified water discharged through the first outlet of the composite filter assembly is configured to flow into the second inlet through the main filter, or
The purified water discharged through the second outlet of the composite filter assembly is configured to flow into the first inlet through the main filter. The method of claim 19,
A water purifier provided with a branch passage for providing purified water supplied to the main filter from the composite filter assembly to a user without passing through the main filter in a passage in front of the main filter. The method of claim 17,
A pressing unit disposed in a flow path at a front end of the main filter to pressurize the water supplied to the main filter;
It further includes,
The main filter is a water purifier comprising a reverse osmosis membrane filter.

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