KR900002549B1 - Portable water purification system - Google Patents

Abstract

A portable water purification system (10) comprises a reverse osmosis unit which is for domestic use and is connected to a water supply faucet (20) to provide purified water which is discharged into a storage container (46). The reverse osmosis filter (12) is housed in a portable box (54) together with flexible conduits (18,44,50) which connect it to the storage container and the water supply faucet. Pref. the unit includes a solid filter on the upstream side of the reverse osmosis filter and an adsorbent, esp. activated carbon, on its downstream side. Pref. the conduits and connectors are stored on a removable tray (76) located within the unit.

Description

Portable water purification system

1 is a schematic diagram of a water treatment working element of a water purification system according to the present invention.

2 is an exploded perspective view of the support tray member and the storage box.

3 is a perspective view of a water purification system in use.

4 is a cross sectional view taken along line 4-4 of FIG. 2 of the tray member and box in an assembled state.

5 is a cross-sectional view of the connector assembly of the purified water storage vessel.

6 is a longitudinal sectional view of the reverse osmosis main filter unit and the pressure vessel.

7 is a sectional view taken along line 7-7 of FIG.

* Explanation of symbols for main parts of the drawings

12: main filter unit 14: preliminary filter unit

16 second filter unit 22 diverter valve assembly

32: preliminary filter unit discharge conduit 34: water purification conduit

36 housing 40 filter media

44: purified water discharge conduit 46: purified water storage container

48 connector assembly 50 wastewater conduit assembly

54 base 72: lid

76: tray member 136: housing

152: internal chamber 156: filter membrane structure

160: sealing member 163: flow restriction tube

TECHNICAL FIELD The present invention relates to a portable water purification system, in particular connected to a domestic water source for use in a domestic sink or the like to provide purified water using a plurality of water storage containers connected in series with a reverse osmosis filter unit. A portable water purification system suitable for the present invention.

Household water sources are questionable in their cleanliness depending on the region. The costs associated with the use of certain centralized water purification systems and the use of underground and ground water resources make it economically impossible to provide at least the cleanliness beverages suitable or necessary for human use. Thus, there has been a continuing need for water purification systems that can be easily used as household appliances for connection to household water sources, which are sometimes suitable for portable use but are actually toxic. Under these circumstances and many other sources, the cleanliness of water from central supply systems or private wells requires that the water have additional cleanliness for consumption by the human body. In this regard, the water purification system is easily used in combination with a domestic water distribution system, and is only used when a supply of drinking water is required, and in some cases it must be easily stored outdoors. The present invention provides a unique portable water purification system suitable for use as a home base having a number of advantages and superior features known to those of ordinary skill in the art according to the following description.

The present invention provides a portable water purification system suitable for use in supplying purified beverages for internal consumption of the human body, which is intended for use in kitchens for connection to kitchen sinks, etc. to supply a predetermined amount of beverage to one or more portable storage containers. It is suitable for use as a device.

According to an important feature of the present invention, the portable water purification system of the present invention comprises a reverse osmosis filter unit, a solid filter unit embedded in a raw water inlet conduit connected to the reverse osmosis filter unit, and a source of connection to the filter system. And connector means for connecting the water purification system to the water purification vessel at the same time. The filter unit is supported in a conventional manner in a carrying case, which carries a support tray for embedding a flexible conduit connected to or connected to the filter unit, and a plurality of casings for serially connecting one or more reservoirs to the water outlet conduit. Linkers and elemental tap connectors.

According to another feature of the invention, a portable filter unit comprises a storage box having means for receiving and supporting a plurality of flexible hoses or conduits, including a raw water inlet conduit for a water filter system, and a water purifier for connection to the storage container. An outlet conduit and a wastewater outlet conduit for discharging the wastewater to the discharge conduit or the like. The portable storage box includes a hinged cover and a support tray that is mounted in the box to form a cover for the means in the box to support the plurality of filter units. The support trays are suitable for receiving flexible conduits of various lengths and fixtures for connecting the conduits to each source and wastewater receiving means, as well as to water storage vessels.

According to another aspect of the present invention, a portable water purification system is provided, including a one-on-one milk container or the like provided with a plurality of plural parts couplers suitable for connecting to a container and interconnecting a continuous container filled with purified water from the water purification system. The same number of portable containers can store a certain amount of purified beverage.

Other excellent aspects along with the advantages and features of the present invention will be described in detail below with the accompanying drawings so that any person in the art can easily grasp.

1, there is schematically shown an operating part of the water purification system 10 according to the present invention. The water purification system 10 is composed of a reverse osmosis main filter unit 12, a solid preliminary filter unit 14, and an adsorptive second filter unit 16. The water purification system 10 reserves raw water at the inlet through a flexible conduit 18 connected between a preliminary filter unit 14 and a source of water, such as the kitchen faucet 20, in particular via a diverter valve assembly 22. It is suitable to flow into the filter unit 14. The diverter valve assembly 22 includes a conventional momentary non-binding fixture 24 that is coupled to and actuated to the faucet adapter member 26 in a prior art construction. Raw water is discharged through the diverter valve assembly 22 at the faucet outlet nozzle 27 and distributed to the water purification system 10 through the conduit 18.

The preliminary filter unit 14 is characterized by a cylindrical sealed container 28 provided with a barrier filter unit 30 for filtering solid particles of water flowing through the preliminary filter unit 14. The preliminary filter unit discharge conduit 32 interconnects the preliminary filter unit and the reverse osmosis main filter unit 12. Conduits 18 and 32 are connected to each of the components shown by conventional connectors 19 and 21 for use as flexible pressure piping. Nearly purified water is discharged from the reverse osmosis main filter unit 12 via a purified water conduit 34 connected to the adsorptive second filter unit 16. The adsorptive second filter unit 16 comprises a housing 36 provided with a porous support member 38 filled with an adsorptive filter media 40 such as activated carbon or charcoal. Water introduced into the filter unit 16 flows radially outward through the filter medium 40 and the porous support member 38 into the annular chamber 42 and is discharged from the housing 36 through the purified water discharge conduit 44. do. The purified water conduit 44 is connected to a plurality of purified water storage vessels 46 connected in series by a number of unique connector assemblies 48 which will be described in detail below. Wastewater from the reverse osmosis main filter unit 12 is discharged via a flexible conduit assembly 50 to an appropriate wastewater discharge point, not shown in FIG.

According to FIGS. 2 and 4, the water purification system 10 is also connected to the raw water inlet conduit, the water discharge conduit and the waste water conduit so that it can be easily placed in the sink adjacent to a conventional sink faucet such as the faucet 20. It includes a unique support container or box that provides a small unit that can be. The water purification system 10 comprises support boxes for the filter units 12, 14, 16 consisting of rectangular bases 54, the bases having longitudinally opposite side walls 56, 58 and end walls 60, 62. And bottom wall 64. The base portion 54 is provided with arc-shaped recesses or openings 61 and 63 in respective end walls 60 and 62 that intersect the upper outer rim 65. The base 54 also includes a hinge bearing 66 that cooperates with the hinge bearings 68 and 70 spaced apart from each other on the lid 72, so that the lid 72 is supported by the hinge pin 71. Is hingedly fixed. The lid 72 is provided with a deflectable lid foam 67, which can be engaged with the notch 69 in the side wall 56 of the base 54 to secure the lid 72 in the closed position.

The base 54 includes the support member 74 of FIG. 2 formed integrally spaced apart from it, which forms the respective cradles of the filter units 14, 16. A cradle-like support 77, similar to the one shown in FIG. 4, is provided to support the main filter unit 12 in the base 54. The support member 74 includes an upstanding column portion 75 that supports a removable tray member 76 suitable for seating in a box formed of opposing side walls 56, 58 and end walls 60, 62. The tray member 76 includes a stepped floor and an outer circumference 78 formed of the floor portions 80 and 82. The tray member 76 is also divided into upper opening compartments 88, 90, 92 to hold each cap portion of the connector assembly 48 at the same time as protruding upward from the floor portions 80, 82 and receptacle ( An integral boss 84 of rectangular shape forming 86. The receptacle 86 also includes a number of integrally formed upright posts 94 that support other portions of the connector assembly 48 having the conduit connector member 49 of FIG. 5. The floor portion 82 includes a recess 97 integrally formed or formed to receive a diverter valve assembly 22 including an instantaneous non-locking fixture 24.

Thus, the bosses 84 together with the outer rim 78 have an annular or circumferential channel 98 of FIG. 4 extending integrally between the side wall and end wall portions of the rim 78 and around the boss 84. Formed and stored in a box without the use of a water purification system, the flexible conduits 18, 44 and 50 are required as indicated by the dashed line in FIG. 2 showing the different positions of the flexible conduits 18, 44 and 50. The coil 84 may be loosely wound around the boss 84 to be positioned on the floor portions 80 and 82 of the tray member 76.

The tray member 76 also has two spaced suspension bosses shown only in FIG. 4 that only interact with the upright support boss 102 shown in FIG. 4 but both are shown in FIG. 100 is provided so that the support boss 102 supports the tray member 76 in the bottom portion 54 as shown in FIGS. 3 and 4 together with the column portion 75. A suitable screw fastener 104, shown only in FIG. 4, extends through a hole in the boss 102 to secure the tray member 76 in the positions shown in FIGS. 3 and 4. ) And screwed together. Further, when the tray member 76 is positioned in the assembly position of FIG. 4, the filter units 12, 14, 16 are fixed without being moved from each cradle support. Thus, when the lid 72 is assembled to the base 54 and the top wall 73 of the lid 72 is hinged thereto, the top wall 73 of the lid 72 is receptacle 86 or in its closed position. It is fitted close to the upper circumferential rim 85 of the boss 84 to prevent movement or detachment of components located within the outer circumferential channel 98. As shown in FIG. 2, the tray member 76 has opposing arc-shaped recesses 79 configured to align with the openings 61, 63, respectively, when the tray member 76 is assembled with the base 54. The lid 72 has recesses 81 similarly aligned. In this way, the conduits 18, 50, 44 can extend from the box in the closed position as shown in FIG. 3.

By means of the configuration of the filter units 12, 14, 16 and the flexible conduits 18, 44, 50, the water purification system 10 is connected to the faucet 20 of the sink 112, for example. As shown in FIG. 3, it can be easily set on the top surface of the household sink 110. In addition, the diverter valve assembly 22 eliminates the necessity of using the water purification system 10 and the faucet 20 together. An advantage of the present invention resides in the connector assembly 48 and the connection of the flexible conduits 113 and 114 of FIGS. 1 to 3, whereby a number of reservoirs 46 change the position of the purified water conduit 44. Or in series to receive purified water without contaminating the vessel. As each reservoir 46 is filled with purified water, the next vessel connected in series is filled with water in series until the final vessel overflows via conduit 114. Flexible conduits 18, 32, 50 are preferably reinforced plastics, and conduits 34, 44, 113, 114 may be provided with relatively soft plastic pressure tubing under the TYGON brand. The conduit should be colored to indicate the source inlet, wastewater outlet and water conduit. Conduits 113 and 114 may also be installed in the channel 98 when storing the system.

5, the purified water discharge conduit 44 is provided with a cylindrical cap member 118 having an internal thread 120 of a standard form such that a screw connection with a conventional one-piece milk container and the cap member is made. The cap member 118 includes an upper wall 122 from which two spaced tops 124 protrude. The spigot 124 has a conical slightly tapered outer wall 125 and an inner passage 126, with each connector member 49 being tightly engaged by the connector body 128 being slipped over the spigot 124. And a connector body 28 having a conical hole that forms an inner passage 130 shaped to conform to the taper of the outer wall 125. The connector member 49 also includes a laterally protruding cylindrical securing portion 132, which includes a plurality of axially spaced projections extending in the circumferential direction such that a forced fit is made in the holes of the tube portions 44, 113, 114. 134). The connector assembly 48 is flexible so that the cap member 118 is fitted or screwed into the neck 47 of the reservoir 46, and the connector member 49 is arranged in such a way that the containers 46 are required relative to each other. And is forcibly inserted into the stem 124 to be interconnected by the conduit 113 and rotatable to a convenient position. When the connector assembly 48 is not used, the cap members 118 are stored in the open compartments 88, 90 and 92, and the connector members 49 are supported on the upright posts 94 in the tray member 76. do. The cap member 118 also includes an elastic gasket member 119 installed in the lower incision groove 121 to seal seal with the upper edge of the neck 47.

6 and 7, the main filter unit 12 features an elongated cylindrical housing 136 with detachable opposing end cams 138, 140. The end caps 138 and 140 are suitably secured to seal engage the housing 136 by interacting with the respective threaded connections 139 and 141. The end cap 140 includes an inner axially projecting boss 142 that defines a cylindrical hole 144 configured to support one end of an elongated cylindrical tube 146 having an internal passageway 148 formed therein. . The tube 146 is fitted with a cylindrical annular seal member 150, such as a conventional circular ring, and a tube end including the circular ring is inserted into the hole 144, whereby the circular ring passes through the conduit 32. A seal is provided to prevent water entering the interior chamber 152 from flowing directly into the water conduit 34.

The tube 146 is sealed by the plug 154 at the opposite end, and the plug 154 is fixed to the end of the tube 146 by adhesive bonding after the tube holes have been machined to a predetermined size. As the tube 146 is also secured to the reverse osmosis filter membrane structure designed to be 156, spaced ports 158 in the tube 146 through the filter membrane structure 156 for the raw water introduced into the interior chamber 152. Forced inwards allows the purified water that has penetrated through the membrane structure to flow out of the main filter unit 12 through the inner passageway 148 and conduit 34. Conduit 34 is properly connected to cap 140 by a conventional tube fixture 159. The inner chamber 152 into which raw water flows from the conduit 32 prevents bypassing of the filter membrane structure 156 by an annular ring-shaped seal member 160 positioned around the membrane structure, and the inner hole wall of the housing 136. 137 and sealingly coupled. Water that does not flow through the reverse osmosis filter membrane structure 156 is discharged from the main filter unit 12 through a fixture 159 screwed into the end cap 138, which fixture is wastewater conduit assembly 50. Connected with. The wastewater conduit assembly 50 is pressurized to flow through the membrane structure 156 of the water introduced into the interior chamber 152 to the interior passage 148 to prevent flow resistance or back pressure in the interior chamber 152, And a flow restriction tube 163 having a relatively small diameter and a predetermined length. The minimum flow passage diameter of the flow restriction tube 163 is determined to be about 0.06 mm (0.030 in) to prevent clogging by particulate material. Preferably, a nylon mesh filter 167 is inserted in the fixture 159 or upstream of the wastewater flow passage of the restriction tube 163 as shown in FIG. 6 to prevent the restriction tube orifice from being blocked by solids. You can prevent it. The restriction tube 163 is aligned in the longitudinal direction of the conduit assembly 50 to be placed in the box when used in the conduit assembly 50.

According to FIG. 7, the filter membrane structure 156 features at least a pair of permeable membranes 164, which, at their opposite ends 165, have an outer circumferential surface of the tube 146 on the opposite side of the port 158. It is fixed properly. The membrane 164 is maintained at intervals by suitable mesh members 168 and 170. The mesh member 170 communicates with the interior chamber 152 at opposite ends 171 and 173 of the membrane structure 156. However, the space formed between the membranes 164 by the mesh member 168 is closed at opposite ends 171 and 173 of the filter membrane structure 156 so that the water flowing into the inner chamber 152 is transferred to the mesh member 170. Flows along the helical space formed by the infiltration, penetrates through the membrane 164 into the space formed by the mesh member 168 and flows along the spiral passage until the water enters the port 158 and the inner passage 148. do. The filter membrane structure 156 is exemplary and may take other forms.

The operation of the water purification system 10 will be readily understood from the above description. However, anyone who is in the field consists of a particulate material filter such as a prefilter unit 14 connected in series, a reverse osmosis main filter unit 12 and an adsorbent second filter unit 16 of activated carbon or charcoal. It will be appreciated that this provides a good filter or water purification system. In particular, the reverse osmosis / carbon filter combination removes bacteria and other organics and at least 85% and 90% of each dissolved nitrate and sodium and heavy metals and halogen compounds and dissolved salts. The system consumes no energy and provides 76 l (19 gallons) per day at a raw water pressure of approximately 77.3 kg / cm2 (110 psi). The unit is 15 cm x 38 cm x 12 cm (6 in x 15 in x 5 in). Sink space for the storage box. The box base 54, the tray member 76, and the lid 72 are molded from high impact resistance plastics, such as portions of the container and connector assembly 48 for the filter units 12, 14, 16.

While the preferred embodiments of the invention have been described in detail above, it will be appreciated that the invention is capable of various additional modifications to components of a particular structure without departing from the scope and spirit of the invention as set forth in the appended claims.

Claims (16)

In a portable water purification system (10) for use as a household appliance, a reverse osmosis filter membrane structure (156), a preliminary filter unit discharge conduit (32) and a water purification conduit (34), including a pressure vessel, and respectively in the pressure vessel, respectively; A main filter unit 12 comprising means for forming a flexible conduit assembly 50 connected to the pressure vessel, a diverter valve assembly 22 for connecting to a raw water faucet 20 and purified water from the valve assembly A flexible conduit 18 for introducing raw water into the system 10 and a water coupler assembly 48 for connecting to the water storage vessel 46 and interconnecting the water coupler assembly and the water purification system 10. The primary filter unit 12 for storage of the system as the flexible purified water conduit 44 and the discharge conduit are respectively dismantled from the faucet 20 and the reservoir 46 A portable water purification system, comprising a urinal conduit (18, 44, 50) and a storage box means of the connector assembly (48). A box according to claim 1, wherein said storage box means each comprise means (74,77) for supporting the main filter unit (12) encased in the base portion (54), and at the same time having a top outer rim (65). The connector assembly 48 and the flexible conduit 18 while being supported by a base 54 of a mold and the base 54 which is adjacent to the rim and forms a cover over the main filter unit 12. A tray member 76 comprising means for storing 44, 50 and a lid 72 that forms a lid over the tray member and is movable between an open and closed position relative to the base 54. Portable water purification system, characterized in that. 3. The tray member (76) of claim 2, wherein the tray member (76) protrudes from the floor to partially define floors (80, 82) and perimeter channels (98) for receiving the soluble conduits (18, 44, 50). And a means for forming a standing upright boss (84). 4. The portable water purification system according to claim 3, wherein said boss (84) comprises a receptacle (86) for receiving and storing a water connection gas (48) on said tray member (76). 4. The portable water purification system according to claim 3, wherein the tray member (76) comprises a recess (97) for receiving and supporting the diverter valve assembly (22). 6. The portable water purification system according to claim 5, wherein the tray member (76) has a peripheral upright circumference (78) which partially defines the outer circumferential channel (98). 3. An arc as defined in claim 2 wherein the lid (72) is formed in the box with openings (61, 63) through which the flexible conduits (18, 44, 50) are positioned when the lid (72) is installed on the tray member (76). Portable water purification system, characterized in that it comprises a recess (79). 8. The recess of claim 7 wherein the tray member 76 includes a recess in the box such that a flexible conduit is positioned along the box and the channel 98 when the lid 72 is closed over the tray member 76. Portable water purification system comprising means for aligning with (79). 2. The water purification connector assembly (48) of claim 1, wherein the water purification connector assembly (48) has a cap member (118) for removably securing the connector assembly to the water storage container (46) and an internal passage defining a water inlet passage and a water outlet passage. And a plurality of connectors each comprising a plurality of connectors, and a flexible conduit connector (49) for respectively connecting said purified water connector in series with said purified water conduit and at least a second vessel. 7. The inner passage 126, which forms the water inlet and outlet passages, is comprised of each spigot portion 124 of the cap member 118, and the spigot portion is formed by sealing engagement force fitting. A portable water purification system, having a conical outer wall surface 125 engageable with a conical tapered hole in a flexible conduit connector to receive the connector, wherein the connector is selectively detachable and rotatably positioned relative to the cap member. . A main filter unit (12) consisting of a closed pressure vessel and a preliminary filter unit discharge conduit (32) and a water conduit (34) and a flexible conduit assembly (50) connected to the pressure vessel, respectively, and the preliminary filter unit discharge conduit A raw water connector 21 for connecting a raw water source to the main filter unit through the air, a solid preliminary filter unit 14 fitted into the preliminary filter unit discharge conduit, a second adsorptive filter unit 16 fitted into the water purification conduit, A plurality of container assemblies 48 for connecting the plurality of storage containers in series to the purified water conduits for serially filling the containers without separating the water conduits from any of the plurality of storage containers, and the filter unit (12, 14, 16) and connector assembly and storage box means of said conduit means. 12. The respective stem connector assembly (48) of claim 11, wherein each of the container connector assemblies (48) includes: a cap member (118) for removably securing the container connector assembly to the purified water storage container, and each of the cap members having a conical tapered surface An inner passage 126 forming each of the purified water inlet and outlet passages, consisting of 124, and a conical tapered hole that connects the purified water connector assembly to a purified water conduit and receives the spigot to be hermetically fitted. The means comprises a conduit connector member 49 which is selectively detachable to the cap member and configured to be rotatably positioned with respect to the cap member to interconnect a plurality of vessels in series to receive purified water from the filter unit. Portable water purification system. 13. The flexible purified water conduit (113, 114) according to claim 12, wherein the flexible purified water conduits (113, 114) are connected in series to transfer the purified water from one vessel to another vessel and from the final vessel in series with the purified vessel to the excess discharge point. Portable water purification system comprising a. A main filter unit 12 comprising a box-shaped elongated support box having a base 54 including means for supporting at least one filter unit, a housing 136 supported in the base, and the main filter unit A preliminary filter unit outlet conduit 32, a water conduit 34 and a flexible conduit assembly 50 connected respectively to the instantaneous splitting connector connected to one end of the preliminary filter unit outlet conduit to connect the main filter unit to a source of water; 21, at least one detachable purified water connector assembly 48 for connecting the purified water conduit to the storage vessel 46 to introduce purified water into the reservoir, and means for receiving and supporting the conduit and the connector assembly. A tray member 76 which is provided on the base and which forms a cover of the base for enclosing the main filter unit, and surrounding the tray member. Sink water purification system according to claim in that it comprises a lid (72) removably positioned on the tray members to groups. 15. The water purification system as recited in claim 14, comprising a flexible conduit (114) connected to a water purification connector assembly for spilling excess water to a discharge point when the vessel is filled. 15. The main filter unit (12) according to claim 14, wherein the main filter unit (12) includes a housing (136), a filter membrane structure (156) installed in the housing and connected to a purified water discharge tube for directing purified water to a purified water conduit; It includes a flexible conduit assembly 50 that is connected to the housing to receive non-penetrating wastewater and consists of an elongate flow restriction tube 163 for providing back pressure in the housing to apply sufficient force to infiltrate the membrane structure. Water purification system characterized in that.

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