KR20130009329A - Water purifier - Google Patents

Abstract

PURPOSE: A water purifier is provided to increase sterilization reliability as the water purifier is capable of simultaneously sterilizing a cold water tank, a hot water tank, and a water tank by sterilizing a purified water flow path, a cold water flow path, a hot water flow path at the same time. CONSTITUTION: A water purifier includes a water purifying unit(1), a water tank(12), a cold water tank(20), a hot water tank(30), an electrolysis sterilizer(50), a common water flow path, and a circulation and flow controlling valve(70). The water purifying unit includes a plurality of filters through which water is purified by sequential passings. The water tank is connected to the water purifying unit and a purified water flow path. The cold water tank is connected to the water tank and a cold water flow path. The cold water tank is connected to the water tank and a hot water flow path. The electrolysis sterilizer guides water to be electrolyzed by bypassing the water through at least one filter from the plurality of filters, and then to flow through at least one of the purified water flow path, the cold water flow path, and the hot water flow path. The common water flow path connects the purified water flow path, the cold water flow path, and the hot water flow path. The circulation and flow controlling valve is installed in the common water flow path to open and close the common water flow path. The circulation and flow controlling valve is opened in a water flow mode and is closed in a sterilization mode.

Description

Water Purifier

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water purifier, and more particularly, to a water purifier capable of circulating and sterilizing a water discharge channel and a water tank together with an electrolytic sterilizer.

In general, a water purifier is a device that removes impurities and filters them by physical and chemical methods.

Water purifiers can be classified into natural filtration, direct filtration, ion exchange resin, distillation, reverse osmosis, etc.

Water purifiers are classified according to the type of storage water purifier that passes through the filter and stores the purified purified water in a water tank, and discharges it by heating or cooling. There is.

In recent years, water purifiers tend to sterilize water purification pipes or reservoirs through which water in a reservoir is discharged to the outside.

KR 10-0613359 (2006.08.09)

The water purifier according to the prior art can only sterilize the purified water outlet pipe with high temperature hot water, and there is a problem in that it does not sterilize the water storage tank, the water purification tank and the hot water tank with sterilization components.

Water purifier according to the present invention for solving the above problems and the water purification unit having a plurality of filters to be purified while passing water sequentially; A reservoir connected to the purified water unit and connected to a purified water discharge passage; A cold water tank connected to the water reservoir and connected to a cold water discharge passage; A hot water tank connected to the water reservoir and connected to a hot water discharge passage; An electrolytic sterilization mechanism for guiding water to be bypassed by at least one filter of the plurality of filters, and to be supplied to at least one of the purified water outlet channel, the cold water outlet channel, and the hot water outlet channel; A common water extraction channel connected to the purified water extraction channel, the cold water extraction channel, and the hot water extraction channel; It is installed in the common water flow passage includes a sterilization and water discharge control valve for opening and closing the common water flow passage.

The circulation and discharge control valve may be opened in the discharge mode, and closed in the sterilization mode.

An example of the electrolytic sterilization apparatus includes an electrolytic sterilizer for generating a sterilization component by electrolyzing water; A bypass inlet flow passage through which water bypasses at least one of the plurality of filters and is obtained by the electrolytic sterilizer; It may include an electrolytic sterilizer discharge passage connecting at least one of the purified water extraction passage, the cold water extraction passage and the hot water extraction passage and the electrolytic sterilizer.

The electrolytic sterilizer discharge channel connects an electrolytic sterilizer connection channel connected to the electrolytic sterilizer, an electrostatic sterilizer connection channel connected to the electrolytic sterilizer channel and the purified water output channel, and connects the electrolytic sterilizer connection channel and the cold water output channel It may include a cold water outlet flow passage connecting passage, and a hot water outlet passage connecting passage connected to the electrolytic sterilizer connection passage and the hot water extraction passage.

The water purifier includes a water purification valve installed in the water purification flow passage; A cold water valve installed in the cold water discharge channel; It may include a hot water valve installed in the hot water discharge passage.

The water purification valve may be installed between a portion of the purified water outlet passage connected to the purified water outlet passage and the reservoir, and the cold water valve is a portion of the cold water outlet passage connected to the cold water outlet passage and the The hot water valve may be installed between the cold water tank, and the hot water valve may be installed between a portion of the hot water discharge passage connected to the hot water discharge passage and the hot water tank.

Another example of the electrolytic sterilization apparatus includes an electrolytic sterilizer for generating a sterilization component by electrolyzing water; A bypass inlet flow passage through which water bypasses at least one of the plurality of filters and is obtained by the electrolytic sterilizer; It may include an electrolytic sterilizer discharge passage connecting the common discharge passage and the electrolytic sterilizer.

The electrolytic sterilizer discharge passage may be connected to the sterilization and discharge control valve in the direction of the water discharge of the common discharge passage.

The water purifier of the present invention includes a water purifying unit having a plurality of filters which are purified while passing water sequentially; A reservoir connected to the purified water unit and connected to a purified water discharge passage; A cold water tank connected to the water reservoir and connected to a cold water discharge passage; A hot water tank connected to the water reservoir and connected to a hot water discharge passage; A purified water valve installed in the purified water discharge passage; A cold water valve installed in the cold water discharge channel; A hot water valve installed in the hot water discharge passage; After the water is electrolyzed by bypassing at least one filter of the plurality of filters, between the reservoir and the purified water valve of the purified water discharge channel, between the cold and the cold water valve of the cold water discharge channel, and the hot water tank and the hot water valve of the hot water discharge channel Electrolytic sterilization apparatus for guiding the water supply to at least one of the.

The electrolytic sterilization apparatus includes an electrolytic sterilizer for generating a sterilization component by electrolyzing water; A bypass inlet flow passage through which water bypasses at least one of the plurality of filters and is obtained by the electrolytic sterilizer; It may include an electrolytic sterilizer discharge passage connecting at least one of the reservoir and the purified water valve, between the cold and cold water valves, between the hot water tank and the hot water valve and the electrolytic sterilizer.

The electrolytic sterilizer discharge passage connects the electrolytic sterilizer connecting passage connected to the electrolytic sterilizer, the electrolytic sterilizer connecting passage connects the water reservoir and the purified water valve between the flow passage, and the electrolytic sterilizer connecting passage connects the cold water tank and the cold water. It may include a cold water outlet flow passage connecting the connection between the valve and the hot water outlet flow passage connecting the electrolytic sterilizer connection passage between the hot water tank and the hot water valve.

As an example of the bypass inlet, water passing through some of the plurality of filters may be connected to the electrolytic sterilizer by bypassing the rest of the plurality of filters.

Another example of the bypass inlet flow passage may be connected to the water of the raw water supply flow path for guiding water to the water purification unit to bypass the plurality of filters to be guided to the electrolytic sterilizer.

It may further include a bypass valve installed in the bypass inlet. The bypass valve can be opened in sterilization mode.

 The water purifier may further include a drain passage connected to the cold water tank and a pump installed in the drain passage.

The present invention can sterilize at least one of the purified water discharge passage, the cold water discharge passage and the hot water discharge passage, even though the hot water temperature is low in the hot water tank, and has the advantage of efficiently sterilizing the cold water tank and the hot water tank together with the reservoir tank.

In addition, it is possible to sterilize the purified water discharge passage, the cold water discharge passage and the hot water discharge passage at the same time, and also can be sterilized together with the storage tank, the cold water tank and the hot water tank, there is an advantage of high reliability of sterilization.

In addition, there is an advantage that it is possible to quickly sterilize any one of the purified water discharge passage, cold water discharge passage and hot water discharge passage by opening and closing the purified water valve, cold water valve and hot water valve.

In addition, there is an advantage that can be sterilized water valve, cold water valve and hot water valve.

In addition, the storage tank can be sterilized by the dual sterilization effect of the high temperature sterilization effect and the electrolytic sterilization effect, there is an advantage that the sterilization capacity of the storage tank is high.

In addition, even if a filter for improving water purification performance of a plurality of filters filters a specific component that produces a sterilization component, the water discharge passage such as the purified water discharge passage, the cold water discharge passage, the hot water discharge passage, and the reservoir tank, the cold water tank, the hot water tank, etc. There is an advantage that can be sterilized efficiently.

1 is a view showing the configuration of the first embodiment of the water purifier according to the present invention;
2 is a control block diagram of a water purifier according to a first embodiment of the present invention;
3 is a view showing the water purification flow path of the first embodiment of the water purifier according to the present invention and the water flow when the reservoir and the cold water tank are sterilized;
Figure 4 is a view showing the water flow when the cold water discharge channel and the cold water tank of the first embodiment of the water purifier according to the present invention,
5 is a view showing the water flow when the hot water discharge passage, the hot water tank, the reservoir and the cold water tank of the first embodiment of the water purifier according to the present invention are sterilized;
6 is a view showing the water flow when the purified water discharge passage, the cold water discharge passage, the hot water discharge passage, the reservoir, the cold water tank, and the hot water tank of the first embodiment of the water purifier are sterilized together.
7 is a view showing the configuration of a second embodiment of a water purifier according to the present invention;
8 is a view showing the configuration of a third embodiment of the water purifier according to the present invention;
9 is a diagram showing the configuration of the fourth embodiment of the water purifier according to the present invention.

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

1 is a diagram showing the configuration of a first embodiment of a water purifier according to the present invention.

As shown in FIG. 1, the water purifier 1 purifies water, a reservoir 12 connected to the purified water unit 1, a cold tank 20 connected to the reservoir 12, and a reservoir 12. It includes a hot water tank (30) connected to.

The water purification unit 1 may include a plurality of filters 2, 3, 4 that are purified while water sequentially passes through.

The plurality of filters (2) (3) (4) are described as at least two filters in which water can be connected stepwise with water, and three filters below. The plurality of filters (2) (3) (4) includes a first filter (2) through which water passes, a second filter (3) through which water purified by the first filter (2), and a second filter ( It may include a third filter 4 through which the water purified in 3) passes.

The plurality of filters 2, 3, and 4 may include a first filter 2 as a sediment filter, and the second filter 3 as a reverse osmosis membrame filter. Or it may be composed of a hollow fiber membrane filter (Ultra Filtration membrame filter), the third filter 4 may be composed of a carbon filter.

Here, the sediment filter is a filter that performs mechanical filtration, and may filter out large foreign matter contained in water. The sediment filter is a filter made of high density polypropylene of 5 μm or less, and the sediment filter helps the reverse osmosis membrane filter or the hollow fiber membrane filter and the carbon filter to filter out small particles and fine components.

 The water supply unit 5 may be connected to the water supply unit 5 for guiding water to the water purification unit 1.

The raw water supply flow passage 5 guides the water supplied from the outside, such as tap water, to be purified by the water purification unit 1, and may be connected to one of the plurality of filters 2, 3, and 4. 2).

A first filter outlet flow passage 6 for guiding water passing through the first filter 2 may be connected to the first filter 2.

A water supply valve 7 for controlling water passing through the first filter 2 may be connected to the first filter outlet flow passage 6.

A second filter inflow passage 8 may be connected to the water supply valve 7 to guide the water passing through the water supply valve 7 to the second filter 3.

The second filter 3 may be connected to a third filter inflow passage 9 which guides the water passing through the second filter 3 to the third filter 4.

The water storage unit 1 may be connected to the water storage tank inlet 10 for guiding water passing through the water purification unit 1 to the water storage tank 12.

The reservoir inflow channel 10 may be disposed between the purified water unit 1 and the reservoir 12 to guide the water purified in the purified water unit 1 to be contained in the reservoir 12. One end of the reservoir inflow channel 10 may be connected to the third filter 4, and the other end thereof may be connected to the reservoir 12.

The reservoir 12 is a reservoir tank in which water purified from the purified water unit 1 is contained. The reservoir 12 may be connected to the purified water discharge passages 13 and 14 capable of withdrawing water contained in the reservoir 12 after being purified by the purified water unit 1.

The purified water discharge passages 13 and 14 may be provided with a purified water valve 16 to intercept water discharged from the reservoir 10 to the purified water discharge passages 13 and 14. The purified water valve 16 may be a solenoid valve.

The purified water outlet passage 13 and 14 may include a purified water valve inlet passage 13 before the purified water valve 16 and a purified water valve outlet passage 14 after the purified water valve 16 in a direction in which water is discharged. have.

The cold water tank 20 is a cooling tank in which the water flowing in the water storage tank 12 is cooled. The cold water tank 20 is directly connected to the water storage tank 12 at the lower side of the water storage tank 12 to hold water dropped from the water storage tank 12, and is connected to the water storage tank 12 and the cold water tank inflow passage 21. It is possible to receive the water of the reservoir 12 through the cold water tank inlet flow passage 21.

The cold water tank 20 may be connected to a cooling device 22 for cooling the water of the cold water tank 20.

The cooling device 22 may include a compressor for compressing a refrigerant, a condenser for condensing the refrigerant compressed in the compressor, an expansion mechanism for expanding the refrigerant condensed in the condenser, and an evaporator for evaporating the refrigerant expanded in the expansion mechanism. have.

The cooling apparatus may be disposed inside the cold water tank 20 or may be disposed on the outer wall of the cold water tank 20, and the refrigerant may cool the water in the cold water tank 20 while being evaporated when passing through the evaporator.

The cold water tank 20 may be connected to the cold water discharge passages 23 and 24 capable of withdrawing the water contained in the cold water tank 20.

The cold water outlet passages 23 and 24 may be provided with a cold water valve 26 to control the water discharged from the cold water tank 20 to the cold water outlet passages 23 and 24. The cold water valve 26 may be a solenoid valve.

The cold water outlet passages 23 and 24 may include a cold water valve inlet passage 23 before the cold water valve 26 and a cold water valve outlet passage 24 after the cold water valve 26 in a direction in which water is discharged. have.

The hot water tank 30 is a heating tank in which the water flowing in the reservoir 12 is heated. The hot water tank 30 is directly connected to the water storage tank 12 at the lower side of the water storage tank 12 to hold water dropped from the water storage tank 12, and connected to the water storage tank 12 and the hot water tank inlet flow passage 31. It is possible to receive the water of the reservoir 12 through the hot water tank inlet flow passage 31.

The hot water tank 30 may be provided with a heater 32 for heating the water of the hot water tank 30.

The hot water tank 30 may be connected to the hot water discharge passages 33 and 34 capable of withdrawing water contained in the hot water tank 30.

The hot water outlet passages 33 and 34 may be provided with a hot water valve 36 for controlling the water discharged from the hot water tank 30 to the hot water outlet passages 33 and 34. The hot water valve 36 may be a solenoid valve.

The hot water discharge passage 33 and 34 may include a hot water valve inlet passage 33 before the hot water valve 36 and a hot water valve outlet passage 34 after the hot water valve 36 in a direction in which water is discharged. have.

  The water purifier includes a common discharge passage 40 and 42 to which the purified water discharge passage 13 and 14, the cold water discharge passage 23, 24, and the hot water discharge passage 33 and 34 are connected.

The common water flow passages 40 and 42 include purified water through which one flow passage passes the purified water discharge passages 13 and 14, purified water and cooled water passing through the cold water discharge passages 23 and 24, The purified water and the heated water passing through the hot water discharge passages 33 and 34 may be discharged to the outside.

The water purifier is electrolyzed by bypassing at least one filter (3) (4) of the plurality of filters (2) (3) (4) and then purified water discharge channel (13) (14) and cold water discharge channel (23). (24) and the electrolytic sterilization mechanism (50) for guiding water to at least one of the hot water outlet passages (33) and (34), and the common outlet passages (40, 42) are installed in the common outlet passages (40) (42). It may include a sterilization and water discharge control valve 60 to open and close the.

The electrolytic sterilizer 50 includes an electrolytic sterilizer 51 which electrolyzes water to generate sterilization components; A bypass inlet flow passage 52 or 53 through which water bypasses at least one filter 3 or 4 of the plurality of filters 2, 3, and 4 and enters the electrolytic sterilizer 51; Electrolytic sterilizer discharge passage 54, 55 connecting at least one of the purified water discharge passage 13, 14, the cold water discharge passage 23, 24, and the hot water discharge passage 33, 34 with the electrolytic sterilizer 52 (56) (57). The electrolytic sterilization apparatus 50 may further include a bypass valve 58 installed in the bypass inflow passages 52 and 53.

 The electrolytic sterilizer 51 includes a reservoir 12, a hot water tank 20, a cold water tank 30, a purified water discharge passage 13, 14, a cold water discharge passage 23, 24, and a hot water discharge passage 33 34) All can be sterilized, and the water can be electrolyzed to change the chlorine ions in the water to hypochlorite ions.

The electrolytic sterilizer 51 includes a housing and an anode and a cathode spaced apart from the inside of the housing, wherein the housing has a water inlet for guiding water to flow between the anode and the cathode, and water passed through the anode and the cathode is discharged. The water exit portion may be formed.

The bypass inlet passages 52 and 53 are formed separately from the purified water outlet passages 13 and 14, the cold water outlet passages 23 and 24, and the hot water outlet passages 33 and 34 to electrolyze the water. Guide).

The water purifier may excessively lower the concentration of chlorine ions contained in water by at least one of the plurality of filters (2) (3) (4) in order to increase the water purification capacity, in which case the reservoir 12 and the cold water In the tank 20 and the hot water tank 30, water having a low concentration of chlorine ions may be contained, and when water having a low concentration of chlorine ions is obtained by the electrolytic sterilizer 51, the concentration of hypochlorite as a sterilizing component is increased. The target concentration may not be reached and it may take a long time to reach the target concentration even if the sterilizing component hypochlorous acid reaches the target concentration.

On the other hand, when water that has not yet passed through a filter that excessively lowers the concentration of chlorine ions contained in the water is obtained into the electrolytic sterilizer 51 by the bypass inflow channels 52 and 53, the bypass inflow channel 52 Chlorine ions contained in the water introduced into the 53 are electrolyzed by the electrolytic sterilizer 51, and hypochlorous acid of a concentration suitable for sterilization is generated in the electrolytic sterilizer outlet passages 54, 55, 56 and 57. do.

That is, the bypass inlet flow passages 52 and 53 may supply water required to generate sterilization components in the sterilization mode. In this case, the bypass valve 58 may provide a filter that excessively lowers the concentration of chlorine ions in the sterilization mode. Water that has not passed may be opened to flow into the electrolytic sterilizer 51.

The bypass inlet flow passages 52 and 53 pass water to the raw water feed flow passage 5 through some of the plurality of filters 2, 3, and 4, and pass the remainder 3, 4. It is possible to connect bypass.

The bypass inlet flow passages 52 and 53 may be connected to a portion 2 of the plurality of filters 2, 3, and 4 at one end into which water is introduced, and a plurality of filters at one end into which water is introduced. It is possible to be connected between some (2) of the (2) (3) (4) and the rest (3) (4).

Bypass inflow passages 52 and 53 are connected to the electrolytic sterilizer 51 at the other end of the water outlet, so that the water can be supplied to the electrolytic sterilizer 51.

Bypass inlet flow passage (52) (53) is that a large amount of foreign matter in the water flowing into the raw water supply flow passage (5) is filtered through a portion (2) of a plurality of filters (2) (3) (4) More preferred.

Bypass inlet flow paths 52 and 53 are the cedi when the first filter 2 is a sediment filter, the second filter 3 is a reverse osmosis membrane filter, and the third filter 4 is made of a carbon filter. Water passing through the shunt filter may bypass the reverse osmosis membrane filter and the carbon filter.

The bypass inflow passages 52 and 53 may be connected to the first filter 2 or the first filter outlet passage 6 through which one end of water is introduced.

 The bypass inflow passages 52 and 53 may include a bypass valve inflow passage 52 connected to one of the first filter 2 and the first filter outlet flow passage 6 and the bypass valve 58. It may include a bypass valve discharge passage 53 connected to the pass valve 58 to supply water.

The electrolytic sterilizer discharge passage 54, 55, 56, 57 is a hot water discharge passage 33, 34 because it can be sterilized by the hot water discharged from the hot water tank 30. It is possible to sterilize the purified water discharge passages 13 and 14 and the cold water discharge passages 23 and 24 by the sterilization component in the electrolyzed water by being connected only to the 14 and the cold water discharge passages 23 and 24.

The electrolytic sterilizer discharge passages 54, 55, 56 and 57 are purified water discharge passages 13 and 14 so that the hot water discharge passages 33 and 34 can also be sterilized by the sterilization component in the electrolyzed water. It is preferable to be connected to the water discharge passages 23 and 24 and the hot water discharge passages 33 and 34.

The electrolytic sterilizer discharge channel 54, 55, 56, 57 is an electrolytic sterilizer connection channel 54 connected to the electrolytic sterilizer 51, an electrolytic sterilizer connection channel 51 and a purified water output channel 13, 14. ), The purified water outlet passage connected to the water purification passage 55, the electrolytic sterilizer connection passage 54 and the cold water outlet passage 23, 24 connected to the cold water outlet passage 56, and the electrolytic sterilizer connection passage 54 ) And a hot water outlet passage (57) connected to the hot water outlet passage (33) (34).

The water purifier may be installed between the water reservoir 12 and the portion of the purified water discharge channel 13 and 14 to which the purified water outlet channel 55 is connected. That is, the purified water outlet passage 55 may be connected to the purified water valve outlet passage 14 among the purified water outlet passages 13 and 14.

The purified water valve 16 may be opened when the user desires purified water discharge to allow the water in the reservoir 12 to pass through the purified water discharge passages 13 and 14, and is always open in the sterilization mode or during the sterilization mode. Water passing through the electrolytic sterilizer 51 may be allowed to flow through the water purification valve inlet passage 13 to the reservoir 12.

The water purifier may be installed between the cold water tank 20 and the portion where the cold water outlet passage 23 and 24 are connected to the cold water outlet passage 56. That is, the cold water outlet flow passage 56 may be connected to the cold water valve outlet passage 24 among the cold water outlet passages 23 and 24.

The cold water valve 26 may be opened when the user desires cold water discharge so that the water in the cold water tank 20 may pass through the cold water discharge passages 23 and 24, and always open in the sterilization mode or during the sterilization mode. The water passing through the electrolytic sterilizer 51 may be flowed into the cold water tank 20 through the cold water valve inlet passage 23.

The water purifier may be installed between a hot water valve 36 and a portion of the hot water discharge passage 33 and 34 connected to the hot water discharge passage 57 and the hot water tank 30. That is, the hot water outlet passage 57 may be connected to the hot water valve outlet passage 34 among the hot water outlet passages 33 and 34.

The hot water valve 36 may be opened when the user wishes to discharge hot water so that the water in the hot water tank 30 passes through the hot water discharge passages 33 and 34, and is always open in the sterilization mode or during the sterilization mode. The water passing through the electrolytic sterilizer 51 may be flowed into the hot water tank 20 through the hot water valve inlet passage 33.

The sterilization and water discharge control valve 60 may form a sterilization flow path of water in the water purifier together with the electrolytic sterilization mechanism 50.

Here, the sterilization flow path of the water is the purified water discharge passage while the water passing through the electrolytic sterilizer 51 sequentially passes through the purified water discharge passage 13, 14, the purified water valve 16, the reservoir 12 and the cold water tank 20. And a first sterilization flow path for sterilizing the water (13) and the water purification valve (16), the water reservoir (12), and the cold water tank (20).

The sterilization flow path of the water passes through the electrolytic sterilizer 51 while the water passes through the cold water outlet passage 23, 24, the cold water valve 16, and the cold water tank 20 in sequence. ) And a second sterilization flow path for sterilizing the cold water valve 16 and the cold water tank 20.

The sterilization flow path of the water sequentially passes the water passing through the electrolytic sterilizer 51 through the hot water discharge channel 33, 34, the hot water valve 36, the hot water tank 30, the reservoir 12, and the cold water tank 20. While passing through it may have a third sterilization flow path for sterilizing the hot water outlet passage 33, 34, hot water valve 36, hot water tank 30, the reservoir 12 and the cold water tank (20).

Sterilization and water discharge control valve 60 is at least one of the purified water discharge passage 13, 14, the cold water discharge passage 23, 24 and the hot water discharge passage 33, 34 in the electrolytic sterilizer 51 in the sterilization mode. The water supplied is closed to prevent water from being discharged to the outside through the common water flow passages 40 and 42, and at this time, the purified water discharge passages 13 and 14, the cold water discharge passages 23, 24, and the hot water discharge passages ( Water supplied to at least one of the 33 and 34 flows toward at least one of the reservoir 12, the cold water tank 20, and the hot water tank 30.

The sterilization and water discharge control valve 60 is opened in the water extraction mode of the purified water extraction, the cold water extraction, or the hot water extraction, to help the water to be discharged to the outside through the outlet of the common discharge passage 40, 42.

The sterilization and water discharge control valve 60 may be made of a solenoid valve, and may be made of water extraction cock provided with a water extraction lever.

When the sterilization and water discharge control valve 60 is composed of a solenoid valve, the water purifier may be closed when the water purifier is not in use and in the sterilization mode, and may be opened only when the user desires the discharge of one of purified water, cold water and hot water.

The sterilization and water discharge control valve 60 is closed when the water purifier is not in use and when the water purifier is not in use and in sterilization mode, and can be opened only when the user operates the water discharge lever.

 The water purifier may further include a drain passage 71, 72, 73 connected to the cold water tank 20, and a pump 74 installed at the drain passages 71, 72, 73. The pump 74 may be driven in the drainage mode and may be driven in the sterilization mode.

The water purifier may further include a drain valve 75 installed downstream of the pump 74 among the drain passages 71, 72, 73.

The water purifier may start a sterilization mode when the electrolytic sterilizer 51 is driven and the bypass valve 58 is opened and the sterilization and discharge control valve 60 is closed, and the pump 74 and the drain valve 75 are Before the start of the sterilization mode, it is possible to first drain the water already contained in the reservoir 12, the cold water tank 20, and the hot water tank 30.

The pump 74 and the drain valve 75 can drain the water containing the sterilizing component flowing into the water reservoir 12, the cold water tank 20, and the hot water tank 30 during the sterilization mode.

The pump 74 and the drain valve 75 allow the water containing the sterilizing component to be filled in both the reservoir 12, the cold water tank 20 and the hot water tank 30 during the sterilization mode, and the water containing the sterilizing component. After the set time has elapsed after all or all of the water storage tank 12, the cold water tank 20, and the hot water tank 30 have been filled, the water of the water storage tank 12, the cold water tank 20, and the hot water tank 30 is drained to the outside. It is possible to let.

Here, the pump 74 can be driven together at the time of driving of the electrolytic sterilizer 51 and opening of the bypass valve 58 and closing of the sterilization and discharge control valve 60, and driving of the electrolytic sterilizer 51. It is possible to stop upon opening of the bypass valve 58 and closing of the sterilization and discharge control valve 60.

The water purifier can be sterilized in a combination of sterilization mode and drainage mode,

The sterilization stroke consists of the water reservoir 12, the cold water tank 20, the hot water tank 30, the purified water discharge passage 13, 14, the cold water discharge passage 23, 24 and the hot water discharge passage 33, 34. A first drainage mode step in which all of the water is drained may be included.

The sterilization stroke is followed by water supply to the electrolytic sterilizer 51 after the first drainage mode step, while the reservoir 12, the cold water tank 20, the hot water tank 30, the purified water discharge passage 13, 14 and the cold water discharge passage ( 23) (24) and the hot water outlet channel 33, 34 are sterilized and the reservoir 12, the reservoir 12, the cold water tank 20, the hot water tank 30, and the purified water outlet channel 13, 14 And a sterilization mode step in which the water is filled with the cold water outlet passages 23 and 24 and the hot water outlet passages 33 and 34.

The sterilization stroke may include a second drainage mode step in which the water filled in the purified water discharge passage 13, 14, the cold water discharge passage 23, 24, and the hot water discharge passage 33, 34 after the sterilization mode stage is drained. Can be.

After the second drainage mode step, the sterilization stroke is carried out with the water tank 12, the cold water tank 20, the hot water tank 30, the purified water discharge passage 13, 14, the cold water discharge passage 23, 24 and the hot water discharge passage ( 33) 34 may include a rinse mode step of supplying water for rinsing.

The sterilization stroke may include a third drainage mode step in which the water filled in the purified water discharge passage 13, 14, the cold water discharge passage 23, 24, and the hot water discharge passage 33, 34 is drained after the rinsing mode stage. Can be.

The water purifier may automatically perform the first drain mode step, the sterilization mode step, the second drain mode step, the rinsing mode step, and the third drain mode step when the sterilization condition is generated.

Figure 2 is a control block diagram of a first embodiment of the water purifier according to the present invention, Figure 3 is a view showing the water flow passage and the water flow when the reservoir and cold water tank of the first embodiment of the water purifier according to the present invention is sterilized, Figure 4 is a view showing the water flow when the cold water discharge channel and the cold water tank of the first embodiment of the water purifier according to the present invention is sterilized, Figure 5 is a hot water discharge channel and a hot water tank, a reservoir and a cold water of the first embodiment of the water purifier according to the present invention 6 is a diagram illustrating the water flow when the bath is sterilized, and FIG. 6 is a water flow when the water purification passage, the cold water discharge passage, the hot water discharge passage, the reservoir, the cold water tank, and the hot water tank of the first embodiment of the water purifier according to the present invention are sterilized together. This is the illustrated figure.

The water purifier may include a control unit 76 for controlling the water purifier and an input unit 78 for inputting a command by the user, and the control unit 76 may control the water purifier according to the input of the input unit 78 or the satisfaction of sterilization conditions. have.

 The control unit 76 includes a water supply valve 7, a water purification valve 16, a cooling device 22, a cold water valve 26, a heater 32, a hot water valve 36, an electrolytic sterilizer 51, and a bypass valve ( 58) and the sterilization and discharge control valve 70, the pump 74 and the drain valve 75 can be controlled.

The water purifier may have a water extraction mode of the purified water extraction mode, a cold water extraction mode and a hot water extraction mode, a sterilization mode for sterilizing the inside of the water purifier, and a drainage mode for draining water.

The control unit 76 includes a water supply valve 7, a water purification valve 16, a cooling device 22, a cold water valve 26, a heater 32, a hot water valve 36, an electrolytic sterilizer 51, and a water heater valve according to each mode. Sterilization and discharge control valve 60, pump 74 and drain valve 75 is controlled.

Hereinafter, the water extraction mode will be described first.

The control unit 76 may open the water supply valve 7 in the purified water discharge mode, and open the purified water valve 16 and the sterilization and discharge control valve 60. The controller 76 may drive or stop the cooling device 22 in the purified water discharge mode, and may close the cold water valve 26. The controller 76 may turn on or off the heater 32 in the purified water discharge mode, and may close the hot water valve 36. The controller 76 may stop the electrolytic sterilizer 51 and the pump 74 in the purified water extraction mode, and may close the bypass valve 58 and the drain valve 75.

 When the user inputs the purified water output by inputting the input unit 78, the water inside the reservoir 12 passes through the purified water discharge passages 13 and 14 and the purified water valve 16, and the common discharge passage 40 and 42. And through the sterilization and discharge control valve 60 is discharged to the outside. At this time, the water in the raw water feed flow passage (5) is purified while passing through the first filter (2), the water supply valve (7), the second filter (3) and the third filter (4) and then passes through the water tank inlet flow passage (10). By filling the reservoir (12).

The control unit 76 may open the water supply valve 7 in the cold water discharge mode, drive the cooling device 32, and open the cold water valve 26 and the sterilization and discharge control valve 60. . The controller 76 may close the purified water valve 16 in the cold water discharge mode. The controller 76 may turn the heater 32 on or off in the cold water discharge mode, and close the hot water valve 36. The controller 76 may stop the electrolytic sterilizer 51 and the pump 74 in the cold water discharge mode, and may close the bypass valve 58 and the drain valve 75.

When the user inputs the cold water outlet by inputting the input unit 78, the water inside the cold water tank 20 passes through the cold water outlet passages 23 and 24 and the cold water valve 26, and the common outlet passage 40 ( 42) and through the sterilization and discharge control valve 60 is discharged to the outside. At this time,

 The water of the reservoir 12 is moved to the cold water tank 20 as the water is discharged from the cold water tank 20, the water of the raw water supply flow passage (5) is the first filter (2) and the water supply valve (7) and the first After being purified while passing through the second filter 3 and the third filter 4, the water is passed through the water tank inlet 10 and filled with the water tank 12.

The controller 76 may open the water supply valve 7 in the hot water discharge mode, turn on the heater 32, and open the hot water valve 36 and the sterilization and discharge control valve 60. The controller 76 may drive or stop the cooling device 32 in the hot water discharge mode, and may close the cold water valve 26. The controller 76 may close the purified water valve 16 in the hot water discharge mode. The controller 76 may stop the electrolytic sterilizer 51 and the pump 74 in the hot water discharge mode, and may close the bypass valve 58 and the drain valve 75.

When the user inputs the hot water outlet by inputting the input unit 78, the water inside the hot water tank 30 passes through the hot water outlet passages 33 and 34 and the hot water valve 36 and the common outlet passage 40 ( 42) and through the sterilization and discharge control valve 60 is discharged to the outside. At this time,

 The water of the reservoir 12 is moved to the hot water tank 30 as the water is discharged from the hot water tank 30, the water of the raw water feed flow passage 5 is the first filter (2) and the water supply valve (7) After being purified while passing through the second filter 3 and the third filter 4, the water is passed through the water tank inlet 10 and filled with the water tank 12.

The sterilization mode will be described below.

The water purifier may automatically execute sterilization mode when predetermined sterilization conditions are satisfied. Here, the sterilization condition may be a variety of conditions, such as the operation time of the water purifier reaches the operation setting time, or the time for which one of the purified water, cold water and hot water is not withdrawn to reach the non-water extraction setting time.

When the water purifier inputs a sterilization command through the input unit 78, the water purifier may be sterilized.

In the sterilization mode, when the electrolytic sterilizer 51 is driven, the bypass valve 58 is opened, and the sterilization and discharge control valve 60 is closed. At this time, the purified water valve 16 and the cold water valve 26 and the hot water valve Depending on whether or not to open or close the 36 can be a various combination sterilization mode.

The sterilization mode may have a single sterilization mode in which only one of the purified water valve 16, the cold water valve 26, and the hot water valve 36 is opened and then closed according to sterilization conditions.

For example, if the cold water and hot water are withdrawn within the untreated water set time, and only the purified water is not withdrawn during the untreated water set time, the cold water discharged water passages 23 and 24 and the hot water discharged water channels 33 and 34 need to be sterilized. Therefore, the water purifier may have an integer sterilization mode in which the electrolytic sterilizer 51 is driven, the bypass valve 58 is opened, the sterilization and discharge control valve 60 is closed, and only the water purification valve 16 is opened and closed. have.

In addition, the purified water and hot water are discharged within the untreated water set time, and if only cold water is not discharged during the untreated water set time, the purified water discharge passages 13 and 14 and the hot water discharge passage 33 and 34 do not need to be sterilized. The water purifier may have a cold water sterilization mode in which the electrolytic sterilizer 51 is driven, the bypass valve 58 is opened, the sterilization and discharge control valve 60 is closed, and only the cold water valve 26 is opened and closed. .

In addition, the purified water and cold water are discharged within the unextracted set time, but if only hot water is not discharged during the unextracted set time, the purified water discharge passages 13 and 14 and the cold water discharge passage 23 and 24 do not need to be sterilized. The water purifier may have a hot water sterilization mode in which the electrolytic sterilizer 51 is driven, the bypass valve 58 is opened, the sterilization and discharge control valve 60 is closed, and only the hot water valve 36 is opened and closed. .

Further, the sterilization mode is closed after the purified water valve 16, the cold water valve 26, and the hot water valve 36 are sequentially opened one by one, and the purified water valve 16, the cold water valve 26, and the hot water valve 36 are closed. All may have a sequential sterilization mode that is opened and then closed at least once or more.

The sterilization mode may have a simultaneous sterilization mode in which the purified water valve 16, the cold water valve 26, and the hot water valve 36 are opened together and closed.

Sterilization mode can be performed only in the single sterilization mode, only sequential sterilization mode can be performed, only simultaneous sterilization mode can be carried out, either sterilization mode, sequential sterilization mode and simultaneous sterilization mode It is possible to be carried out first and then another sterilization mode.

That is, the water purifier may perform a single sterilization mode or a sequential sterilization mode as illustrated in FIGS. 3 to 5, and may perform a simultaneous sterilization mode as illustrated in FIG. 6.

The control unit 76 may close the water supply valve 7 and open the bypass valve 58 and the water purification valve 16 in the sterilization mode, and open the cold water valve 26 and the hot water valve 36. And sterilization and water discharge control valve 60 can be closed. The controller 76 may drive the electrolytic sterilizer 51 in the purified water sterilization mode. The controller 76 may drive or stop the cooling device 22 and the heater 32 in the purified water sterilization mode.

In the purified water sterilization mode, the water of the raw water feed flow passage 5 passes through a portion 2 of the plurality of filters 2, 3, and 4, as shown in FIG. 53) and the bypass valve 58, and flows into the electrolytic sterilizer 51. Water introduced into the electrolytic sterilizer 51 is electrolyzed in the electrolytic sterilizer 51 to generate sterilizing components such as hypochlorous acid, and then water containing sterilizing components such as hypochlorous acid is purified water discharge passage 13 (14). Flows into. The water flowing into the purified water discharge passages 13 and 14 is blocked by the sterilization and discharge control valve 60, the cold water valve 26, and the hot water valve 36, and passes through the purified water valve 16 and the purified water discharge passage ( 13) 14 is passed in the direction opposite to the water discharge direction of the water flows into the reservoir 12, and then flows back to the cold water tank (20).

That is, sterilization components such as hypochlorous acid generated by the electrolytic sterilizer 51 first sterilize the purified water discharge channel 13 and 14 and the purified water valve 16, sterilize the reservoir 12, and then the cold water tank. (20) is sterilized, and the water purifier sterilizes all of the purified water discharge passages 13 and 14, the purified water valve 16, the reservoir 12, and the cold water tank 20 by performing the purified water sterilization mode.

The control unit 76 may close the water supply valve 7 in the cold water sterilization mode, open the bypass valve 58 and the cold water valve 26, and the purified water valve 16 and the hot water valve 36. Sterilization and discharge control valve 60 may be closed. The controller 76 may drive the electrolytic sterilizer 51 in the cold water sterilization mode. The controller 76 may drive or stop the cooling apparatus 22 and the heater 32 in the cold water sterilization mode.

In the cold water sterilization mode, the water of the raw water feed channel 5 passes through a portion 2 of the plurality of filters 2, 3, and 4, as shown in FIG. 53) and the bypass valve 58, and flows into the electrolytic sterilizer 51. Water introduced into the electrolytic sterilizer 51 is electrolyzed in the electrolytic sterilizer 51 to generate sterilizing components such as hypochlorous acid, and then water containing sterilizing components such as hypochlorous acid is a cold water discharge passage 23, 24. Flows into. The water flowing into the cold water outlet passages 23 and 24 is blocked by the sterilization and outlet control valve 60, the purified water valve 16, and the hot water valve 36, and passes through the cold water valve 26 and the cold water outlet passage ( 23) passes through the cold water tank 20 in a direction opposite to the water discharge direction.

That is, sterilization components such as hypochlorous acid generated by the electrolytic sterilizer 51 firstly sterilize the cold water discharge channel 23 and the cold water valve 26, and sterilize the cold water tank 20. By performing the cold water sterilization mode, both the cold water discharge passages 23 and 24, the cold water valve 26, and the cold water tank 20 are sterilized.

The control unit 76 may close the water supply valve 7 in the hot water sterilization mode, open the bypass valve 58 and the hot water valve 36, and the purified water valve 16 and the cold water valve 26. Sterilization and discharge control valve 60 may be closed. The controller 76 may drive the electrolytic sterilizer 51 in the warm water sterilization mode. The controller 76 may drive or stop the cooling device 22 and the heater 32 in the warm water sterilization mode.

In the warm water sterilization mode, the water of the raw water feed flow passage 5 passes through a portion 2 of the plurality of filters 2, 3, and 4, as shown in FIG. 53) and the bypass valve 58, and flows into the electrolytic sterilizer 51. Water introduced into the electrolytic sterilizer 51 is electrolyzed in the electrolytic sterilizer 51 to generate sterilizing components such as hypochlorous acid, and then water containing sterilizing components such as hypochlorous acid is a hot water outlet passage 33, 34. Flows into. The water flowing into the hot water outlet passages 33 and 34 is blocked by the sterilization and outlet control valve 60, the purified water valve 16, and the cold water valve 26, and passes through the hot water valve 36 and the hot water outlet passage ( 33) (34) is passed in the direction opposite to the water discharge direction is introduced into the hot water tank (30).

That is, the sterilization component such as hypochlorous acid generated by the electrolytic sterilizer 51 first sterilizes the hot water discharge channel 33 and 34 and the hot water valve 36, sterilizes the hot water tank 30, and then the water tank. 12 and the cold water tank 20 are sterilized sequentially. In the hot water sterilization mode, the hot water discharge passage 33, 34, the hot water valve 36, and the hot water tank 30 are electrolytically sterilized by sterilizing components such as hypochlorous acid, and the water tank 12 and the cold water tank 20 ) Is sterilized by sterilizing components such as hypochlorous acid while sterilized by high temperature hot water. The water purifier sterilizes both the hot water discharge passage 33 and 34, the hot water valve 36, the hot water tank 30, the reservoir 12, and the cold water tank 20 by the execution of the hot water sterilization mode.

The control unit 76 may close the water supply valve 7 in the simultaneous sterilization mode, open the bypass valve 58, the purified water valve 16, the cold water valve 26 and the hot water valve 36, Sterilization and discharge control valve 60 may be closed. The controller 76 may drive the electrolytic sterilizer 51 in the simultaneous sterilization mode. The controller 76 may drive or stop the cooling device 22 and the heater 32 in the simultaneous sterilization mode.

In the simultaneous sterilization mode, the water of the raw water feed channel 5 passes through a part 2 of the plurality of filters 2, 3, and 4, and then bypasses the water flow channel 52 as shown in FIG. 6. 53) and the bypass valve 58, and flows into the electrolytic sterilizer 51. Water introduced into the electrolytic sterilizer 51 is electrolyzed in the electrolytic sterilizer 51 to generate sterilizing components such as hypochlorous acid, and then water containing sterilizing components such as hypochlorous acid is sterilized and the outlet control valve 60 It is blocked, and it is distributed to the purified water discharge channel 13 and 23, the cold water discharge channel 23 and 24, and the hot water discharge channel 33 and 34.

Water flowing into the purified water discharge passages 13 and 14 passes through the purified water discharge passages 13 and 14, the purified water valve 16, the reservoir 12, and the cold water tank 20 in sequence. 14), the water purification valve 16, the reservoir 12 and the cold water tank 20 are sterilized.

At this time, the water flowing into the cold water outlet passage 23, 24 is passed through the cold water outlet passage 23, 24, the cold water valve 26 and the cold water tank 20 in sequence, while the cold water outlet passage 23, 24 ) And the cold water valve 26 and the cold water tank 20 are sterilized.

In addition, the water flowing into the hot water outlet passages 33 and 34 sequentially receives the hot water outlet passages 33 and 34, the hot water valve 36, the hot water tank 30, the reservoir 12, and the cold water tank 20. While passing through the hot water outlet passage 33, 34, hot water valve 36, the hot water tank 30, the reservoir 12 and the cold water tank 20 to sterilize.

7 is a diagram showing the configuration of the second embodiment of the water purifier according to the present invention.

The water purifier of the present embodiment may be connected to the raw water feed passage 5 and the electrolytic sterilizer 51 through which the bypass inlet passages 52 'and 53' guide water to the purified water unit 1, and the bypass inlet passage 52 '53' may direct the water of the feed water supply passage 5 to the electrolytic sterilizer 51 by bypassing the purified water unit 1, and other configurations and operations are the same or similar to those of the first embodiment of the present invention. Therefore, the same reference numerals are used and detailed description thereof will be omitted.

The bypass inlet passage 52 'and 53' may have a bypass inlet passage 52 'connected to the raw water feed passage 5, and the bypass outlet passage 53' may be connected to the electrolytic sterilizer 51. have.

8 is a diagram showing the configuration of the third embodiment of the water purifier according to the present invention.

As the water purifier of the present embodiment, the electrolytic sterilizer discharge passage 59 connects the common discharge passage 40, 42 and the electrolytic sterilizer 51, as shown in FIG. Since the same or similar to the example or the second embodiment, the same reference numerals are used and detailed description thereof will be omitted.

The electrolytic sterilizer withdrawal passage 59 may function the same as the electrolytic sterilizer withdrawal passage 54, 55, 56, 57 of the first or second embodiment of the present invention, and the electrolytic sterilizer withdrawal passage 59 The water flowing through the common water flow passage 40, 42 is blocked by the sterilization and water discharge control valve 60 when the sterilization and water discharge control valve 60 is closed, and thus cannot be discharged to the outside. The water flowing into the common water flow passages 40 and 42 flows in a direction opposite to the water discharge direction, and flows through the purified water extraction passages 13 and 14 to the reservoir 12, or the cold water discharge passage 23 ( 24 through the cold water tank 20 or through the hot water discharge passage 33, 34 to the hot water tank (30).

One end of the electrolytic sterilizer discharge passage 59 is connected to the electrolytic sterilizer 51, and the other end thereof is connected to the sterilization and discharge control valve 60 in the water discharge direction of the common discharge passage 40 and 42.

9 is a diagram showing the configuration of the fourth embodiment of the water purifier according to the present invention.

As shown in FIG. 9, the water purifier of the present embodiment may be configured such that the electrolytic sterilization device 50 'bypasses at least one filter 3, 4 of the plurality of filters 2, 3, 4, or the like. After electrolysis by bypassing the water purification unit 1, between the reservoir 12 and the purified water valve 16 'in the purified water discharge channel 13 and 14 and the cold water tank 20 in the cold water discharge channel 23 and 24 And water supply between the cold water valve 26 'and between the hot water tank 30 and the hot water valve 36' among the hot water discharge passages 33 and 34, and other configurations and actions are carried out in the first embodiment of the present invention. Since the same or similar to the example or the second embodiment, the same reference numerals are used and detailed description thereof will be omitted.

The electrolytic sterilization apparatus 50 'includes an electrolytic sterilizer 51, an electrolytic sterilizer acquisition passage 52, 53, and a bypass valve 58, as in the first or second embodiment of the present invention. The electrolytic sterilizer discharge passages 54 ', 55', 56 ', 57' may be configured differently from the first or second embodiment of the present invention.

The electrolytic sterilizer discharge passages 54 ', 55', 56 'and 57' are respectively connected to the electrolytic sterilizer connecting passage 54 'connected to the electrolytic sterilizer 51 and the electrolytic sterilizer connecting passage 54'. 12) the cold water connecting the purified water outlet flow passage 55 'and the electrolytic sterilizer connecting passage 54' between the cold water tank 20 and the cold water valve 26 '. It may include a hot water outlet passage 56 'connecting the water outlet passage 56' and the electrolytic sterilizer connection passage 54 'between the hot water tank 30 and the hot water valve 36'.

The purified water valve 16 ', the cold water valve 26', and the hot water valve 36 'may be opened as in the first or second embodiment of the present invention in the water extraction mode, and the first invention in the sterilization mode. Like the embodiment or the second embodiment, it can be closed.

The water purification valve 16 ', the cold water valve 26', and the hot water valve 36 'can also function as the sterilization and discharge control valve 60 of the first or second embodiment of the present invention. As in the first or second embodiment of the invention, it is possible to withdraw water through the common water discharge passage 40.

Unlike the first embodiment or the second embodiment of the present invention, the water purifier of the present embodiment has an outlet of the purified water discharge passages 12 and 13 and an outlet of the cold water discharge passages 23 and 24 without the common discharge passage 40. It is possible to independently discharge purified water, cold water and hot water through the outlets of the hot water discharge passages 33 and 34. That is, the water purifier of the present embodiment can withdraw and sterilize the parts while minimizing the number of parts than the first embodiment or the second embodiment of the present invention.

 In the sterilization mode, the water supply valve 7 may be closed, and the purified water valve 16 ', the cold water valve 26', and the hot water valve 36 'may be closed. The electrolytic sterilizer 51 may be driven and the bypass valve 58 may be opened. In the sterilization mode, the cooling device 22 and the heater 32 may be driven or stopped.

In the sterilization mode, the water of the raw water feed passage 5 passes through a portion 2 of the plurality of filters 2, 3, 4 or bypasses the water purification unit 1 as shown in FIG. 9. Passed through the pass inlet flow passages 52 and 53 and the bypass valve 58, and flows into the electrolytic sterilizer 51. Water introduced into the electrolytic sterilizer 51 is electrolyzed in the electrolytic sterilizer 51 to generate sterilizing components such as hypochlorous acid, and then water containing sterilizing components such as hypochlorous acid is purified water discharge passage 13, 23. And cold water discharge passages 23 and 24 and hot water discharge passages 33 and 34.

The water flowing into the purified water outlet passages 13 and 14 is not blocked by the purified water valve 16 'and is not flowed into the cold water outlet passages 23 and 24 and the hot water outlet passages 33 and 34, and is discharged to the outside. The water purification valve inlet passage 13, the reservoir 12, and the cold water are sequentially passed through the purified water valve inlet passage 13, the reservoir 12, and the cold water tank 20 among the purified water outlet passages 13 and 14. Sterilize the bath 20.

At this time, the water flowing into the cold water discharge channel (23, 24) is blocked by the cold water valve (26 ') not only flow to the purified water discharge channel (13) (14) and hot water discharge channel (33) (34), but also outside It cannot be withdrawn, and sterilizes the cold water valve inlet 23 and the cold water tank 20 while sequentially passing through the cold water valve inlet 23 and the cold water tank 20 of the cold water outlet 24.

In addition, the water flowing into the hot water outlet passages 33 and 34 is not blocked by the hot water valve 36 'and may not flow into the purified water outlet passages 13 and 14 and the cold water outlet passages 23 and 24 as well. The hot water valve inlet passage 33 is sequentially passed through the hot water valve inlet passage 33, the hot water tank 30, the reservoir 12, and the cold water tank 20 of the hot water outlet passage 33, 34. ) And the hot water tank 30, the water storage tank 12 and the cold water tank 20 are sterilized.

1: water purification unit 2: first filter
3: second filter 4: third filter
10: reservoir tank Euro 12: reservoir
13,14: water purification flow path 16: water purification valve
20: cold water tank 23, 24: cold water outlet
26: cold water valve 30: hot water tank
33,34: hot water outlet flow path 36: hot water valve
50,50 ': electrolytic sterilizer 51: electrolytic sterilizer
52,53: Bypass Access Euro
54,55,56,57: Electrolytic Sterilizer Outflow Euro
54 ', 55', 56 ', 57': Euro with electrolytic sterilizer
58: bypass valve 59: electrolytic sterilizer discharge passage
60: Sterilization and discharge control valve 71, 72, 73: drainage flow path
74: pump 75: drain valve

Claims (19)

A water purification unit having a plurality of filters which are purified while passing water sequentially;
A reservoir connected to the purified water unit and connected to a purified water discharge passage;
A cold water tank connected to the water reservoir and connected to a cold water discharge passage;
A hot water tank connected to the water reservoir and connected to a hot water discharge passage;
An electrolytic sterilization mechanism for guiding water to be bypassed by at least one filter of the plurality of filters, and to be supplied to at least one of the purified water outlet channel, the cold water outlet channel, and the hot water outlet channel;
A common water extraction channel connected to the purified water extraction channel, the cold water extraction channel, and the hot water extraction channel;
A water purifier including a sterilization and water discharge control valve installed in the common water outlet passage to open and close the common water outlet passage. The method of claim 1,
The circulation and discharge control valve is open in the discharge mode, water purifier closed in the sterilization mode. The method of claim 1,
The electrolytic sterilization apparatus
An electrolytic sterilizer which electrolyzes water to generate sterilization components;
A bypass inlet flow passage through which water bypasses at least one of the plurality of filters and is obtained by the electrolytic sterilizer;
A water purifier including an electrolytic sterilizer discharge channel connecting at least one of the purified water extraction channel, the cold water extraction channel, and the hot water extraction channel and the electrolytic sterilizer. The method of claim 3, wherein
The electrolytic sterilizer discharge passage and an electrolytic sterilizer connection passage connected to the electrolytic sterilizer,
A connection flow passage connected to the electrolytic sterilizer and a water purification passage connected to the water purification passage;
A cold water outlet passage connected to the electrolytic sterilizer connection passage and the cold water outlet passage;
A water purifier including a hot water outlet passage connected to the electrolytic sterilizer connection passage and the hot water outlet passage. The method of claim 4, wherein
A purified water valve installed in the purified water discharge passage;
A cold water valve installed in the cold water discharge channel;
Water purifier comprising a hot water valve installed in the hot water discharge passage. The method of claim 5, wherein
The water purification valve is installed between the water tank and the portion of the purified water outlet flow passage connected to the reservoir,
The cold water valve is installed between the cold water tank and the portion of the cold water water flow passage connecting the connection flow path,
The hot water valve is a water purifier installed between the portion of the hot water outlet flow path connected to the hot water outlet flow path and the hot water tank. The method of claim 1,
The electrolytic sterilization apparatus
An electrolytic sterilizer which electrolyzes water to generate sterilization components;
A bypass inlet flow passage through which water bypasses at least one of the plurality of filters and is obtained by the electrolytic sterilizer;
A water purifier including an electrolytic sterilizer discharge channel connecting the common discharge channel and the electrolytic sterilizer. The method of claim 7, wherein
The electrolytic sterilizer water flow passage is a water purifier connected to the transfer of the sterilization and water discharge control valve in the water discharge direction of the common water flow passage. The method of claim 8,
A purified water valve installed in the purified water discharge passage;
A cold water valve installed in the cold water discharge channel;
Water purifier comprising a hot water valve installed in the hot water discharge passage. The method according to claim 3 or 7,
The bypass inlet is a water purifier is connected to the water passing through a portion of the plurality of filters bypasses the rest of the plurality of filters to be guided to the electrolytic sterilizer. The method according to claim 3 or 7,
The bypass inlet is a water purifier connected to the water of the raw water supply flow path for guiding the water to the water purification unit is bypassed to the water purification unit to be guided to the electrolytic sterilizer. A water purification unit having a plurality of filters which are purified while passing water sequentially;
A reservoir connected to the purified water unit and connected to a purified water discharge passage;
A cold water tank connected to the water reservoir and connected to a cold water discharge passage;
A hot water tank connected to the water reservoir and connected to a hot water discharge passage;
A purified water valve installed in the purified water discharge passage;
A cold water valve installed in the cold water discharge channel;
A hot water valve installed in the hot water discharge passage;
After the water is electrolyzed by bypassing at least one filter of the plurality of filters, between the reservoir and the purified water valve of the purified water discharge channel, between the cold and the cold water valve of the cold water discharge channel, and the hot water tank and the hot water valve of the hot water discharge channel A water purifier comprising an electrolytic sterilization apparatus for guiding the water supply to at least one of them. 13. The method of claim 12,
The electrolytic sterilization apparatus
An electrolytic sterilizer which electrolyzes water to generate sterilization components;
A bypass inlet flow passage through which water bypasses at least one of the plurality of filters and is obtained by the electrolytic sterilizer;
And a electrolytic sterilizer discharge passage connecting at least one of the reservoir and the purified water valve, between the cold and cold water valves, and between the hot water and the hot water valves, and the electrolytic sterilizer. The method of claim 13,
The bypass inlet is a water purifier is connected to the water passing through a portion of the plurality of filters bypasses the rest of the plurality of filters to be guided to the electrolytic sterilizer. The method of claim 13,
The bypass inlet is a water purifier connected to the water of the raw water supply flow path for guiding the water to the water purification unit is bypassed by the plurality of filters to be guided to the electrolytic sterilizer. The method of claim 13,
The electrolytic sterilizer discharge passage and an electrolytic sterilizer connection passage connected to the electrolytic sterilizer,
A purified water outlet passage connecting passage connecting the electrolytic sterilizer connecting passage between the reservoir and the purified water valve;
A cold water outlet passage connecting the electrolytic sterilizer connection passage between the cold water tank and the cold water valve;
And a hot water outlet flow passage connecting passage connecting the electrolytic sterilizer connection passage between the hot water tank and the hot water valve. The method according to any one of claims 3 to 7, and 13,
And a bypass valve installed on the bypass inlet. The method of claim 17,
The bypass valve is a water purifier opened in the sterilization mode. The method of claim 17,
A drain passage connected to the cold water tank,
And a pump installed in the drain passage.

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