KR101305328B1 - Water purifier - Google Patents

Abstract

The present invention comprises: a water purification unit including a plurality of filters which are purified while passing water sequentially; A water tank including a water tank containing water purified from a water purification unit and a cold water tank into which water discharged from the water tank flows and is cooled; An electrolytic sterilizer which electrolyzes water to generate sterilization components; A circulation passage through which water in the cold water tank circulates between the electrolytic sterilizer, the water storage tank and the cold water tank; Any one of the plurality of filters, including a water supply mechanism connected to the water for the generation of the sterilizing component bypasses at least one filter of the plurality of filters and is then supplied to at least one of the reservoir tank, the cold water tank, the electrolytic sterilizer and the circulation passage. There is an advantage that can effectively sterilize the water tank, such as the reservoir tank and cold water tank even if the specific components for producing the sterilization component is filtered.

Description

 Water purifier

The present invention relates to a water purifier, and more particularly, to a water purifier capable of sterilizing a water tank and a cold water tank with an electrolytic sterilizer.

In general, a water purifier is a device that filters water by filtering it with physical and chemical methods to remove impurities.

The water purifier can be classified into natural filtration, direct filtration, ion exchange water, distillation type, and reverse osmosis if it is classified according to the purification method.

The water purifier is classified into a storage type water purifier for storing the purified water through the filter and stored in the water storage tank and heating or cooling the water, and a direct water type water purifier for heating and cooling the purified water passing through the filter without the water storage tank .

Recently, a sterilizer is installed in a water purifier to sterilize a reservoir with a sterilizer.

KR 10-0621937 (September 14, 2006)

Since the water purifier according to the prior art is contained in the water purification tank after the water passing through the filter unit passes through the electrolytic cell sterilizer, there is a problem in that the capacity and cost of the electrolytic cell sterilizer are increased to generate a large amount of sterilizing material.

Water purifier according to the present invention for solving the above problems and the water purification unit including a plurality of filters that are purified while passing water sequentially; A water tank including a water tank containing water purified by the water purification unit and a cold water tank into which water discharged from the water storage tank is introduced and cooled; An electrolytic sterilizer which electrolyzes water to generate sterilization components; A circulation passage through which the water of the cold water tank circulates between the electrolytic sterilizer, the water storage tank and the cold water tank; Water for generating a sterilization component includes a water supply mechanism connected to at least one of the reservoir, the cold water, the electrolytic sterilizer and the circulation passage after bypassing at least one filter of the plurality of filters.

One end of the circulation passage may be connected to a drain passage for draining the water of the cold water tank to the outside, and the other end of the circulation passage may be connected to the tank inlet passage that guides the water passing through the water purification unit to the tank.

The circulation passage may include an electrolytic sterilizer acquisition passage connected to the drainage passage and the electrolytic sterilizer, and an electrolytic sterilizer outlet passage connected to the electrolytic sterilizer and the tank receiving passage.

It may include a combined circulation drain pump disposed between the cold water tank and one end of the circulation passage of the drain passage.

The combined circulation drainage pump may be driven in sterilization mode and drainage mode, respectively.

The combined circulation drainage pump may be turned off after being turned on for a set time in a sterilization mode or may be repeated on and off a set number of times.

It may include a circulation and drain control valve provided between one end of the circulation passage and the outlet of the drain passage.

The circulation and drain control valve may be closed in sterilization mode and open in drain mode.

One example of the water supply mechanism may include a bypass flow passage through which water passing through some of the plurality of filters bypasses the remainder of the plurality of filters and is guided to at least one of the reservoir tank, the cold water tank, the electrolytic sterilizer, and the circulation passage. Can be.

The plurality of filters may include a sediment filter, a reverse osmosis membrane filter, and a carbon filter, in which water is purified while passing sequentially, and the bypass flow path includes water passing through the sediment filter in the reverse osmosis membrane. The filter and the carbon filter may be bypassed.

Another example of the water supply mechanism is a bypass flow passage through which water in a raw water feed flow passage that guides water to the purified water unit is connected to at least one of the reservoir tank, the cold water tank, the electrolytic sterilizer, and the circulation passage by bypassing the plurality of filters. It may include.

The bypass flow passage may be connected to a water tank inlet flow passage for guiding water passing through the water purification unit to the water tank, connected to the cold water tank, connected to the circulation flow passage, or connected to the electrolytic sterilizer.

The water supply device may further include a bypass valve installed in the bypass flow path. The bypass valve can be opened in sterilization mode.

It may include a water supply valve provided between some and the rest of the plurality of filters. The water supply valve is a water purifier that is turned off in the sterilization mode.

The water purifier according to the present invention includes: a water purifying unit including a plurality of filters through which water passes sequentially; A water tank containing water purified from the water purification unit; An electrolytic sterilizer which electrolyzes water to generate sterilization components; A circulation passage through which water in the tank circulates through the electrolytic sterilizer and the tank; Water for generating a sterilization component includes a water supply device connected to the water tank and the electrolytic sterilizer and at least one of the circulation passage after bypassing at least one filter of the plurality of filters.

The water purifier according to the present invention includes a sediment filter for purifying water, a hollow fiber membrane membrane filter for purifying water purified by the sediment filter, and a water purifying part including a carbon filter for purifying water purified from the hollow fiber membrane membrane filter. Wow; A water tank including a water tank containing water purified by the water purification unit and a cold water tank into which water discharged from the water storage tank is introduced and cooled; An electrolytic sterilizer which electrolyzes water to generate sterilization components; The cold water tank includes a circulation passage connected to circulate the electrolytic sterilizer, the reservoir and the cold water tank.

The water purifier according to the present invention includes a sediment filter for purifying water, a hollow fiber membrane membrane filter for purifying water purified by the sediment filter, and a water purifying part including a carbon filter for purifying water purified from the hollow fiber membrane membrane filter. Wow; A water tank containing water purified from the water purification unit; An electrolytic sterilizer which electrolyzes water to generate sterilization components; The water in the tank includes a circulation passage connected to circulate the electrolytic sterilizer and the tank.

The present invention has the advantage that can effectively sterilize the water tank, such as the reservoir tank and cold water tank even if any filter for improving the water purification performance of the plurality of filters to filter out a specific component to produce a sterilization component.

In addition, since it is not necessary to drain all the water contained in the water tank and the cold water tank for sterilization of the water tank and the cold water tank, only some water can be drained, so that the amount of drainage for the sterilization of the water tank and the cold water tank can be minimized, and the sterilization time can be minimized. There is an advantage that can be shortened.

In addition, the circulation sterilization of water has the advantage of efficiently sterilizing the reservoir and cold water tank while minimizing the capacity and cost of the electrolytic sterilizer.

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 flow when the first embodiment of the water purifier according to the present invention is cold water intake;
4 is a view showing the water flow when the first embodiment of the water purifier according to the present invention in the sterilization mode,
5 is a view showing the water flow when the first embodiment of the water purifier according to the present invention in the drainage mode,
6 is a view showing the configuration of a second embodiment of the water purifier according to the present invention;
7 is a view showing the configuration of a third embodiment of the water purifier according to the present invention;
8 is a view showing the configuration of the fourth embodiment of the water purifier according to the present invention;
9 is a view showing the configuration of the fifth embodiment of the water purifier according to the present invention;
10 is a diagram showing the configuration of a sixth embodiment of a 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.

Referring to FIG. 1, the water purifier includes a water purification unit 10 including a plurality of filters 2, 4, and 6 through which water passes sequentially, and a water tank 20 in which water purified from the water purification unit 10 is contained. The electrolytic sterilizer 40 which electrolyzes water to generate a sterilizing component, the circulation passage 50 through which the water of the water tank 20 circulates between the electrolytic sterilizer 40 and the water tank 20, Water for generation bypasses at least one filter (4) (6) of the plurality of filters (2) (4) (6), and then, in the water tank (20), the electrolytic sterilizer (40), and the circulation passage (50). It may include a water supply device 60 connected to be supplied to at least one.

The plurality of filters (2), (4) and (6) can be at least two filters connected in stages to purify water, and are described as three filters below. The plurality of filters (2) (4) (6) includes a first filter (2) through which water passes, a second filter (4) through which water purified by the first filter (2), and a second filter ( And a third filter 6 through which the water purified in 4) passes.

The plurality of filters (2), (4), (6) may include a first filter (2) as a sediment filter (2), and the second filter (4) is a reverse osmosis membrane filter (4, Reverse). Osmosis membrame filter), the third filter 6 may be composed of a carbon filter (6).

Here, the sediment filter (2) is a filter that performs a mechanical filtration action, it can play a role of filtering large foreign matter contained in the water. The sediment filter 2 is a filter made of high density polypropylene of 5 μm or less, and the sediment filter 2 helps the reverse osmosis membrane filter 4 and the carbon filter 6 to filter out small particles and fine components.

In addition, a drain passage 5 may be connected to the reverse osmosis membrane filter 4.

The reverse osmosis membrane filter 4 can lower the concentration of chlorine ions in water during the water purification operation, and the concentration of chlorine ions contained in the water can be drastically lowered while passing through the reverse osmosis membrane filter 4. When the concentration of chlorine ions in the water before passing through the reverse osmosis membrane filter 4 is 14 ppm, for example, the concentration of chlorine ions in the water passing through the reverse osmosis membrane filter 4 will be lowered to 0.5 ppm. Can be.

The water supply unit 11 may be connected to the water purification unit 10 for guiding water to the water purification unit 10.

The raw water feed passage 11 guides the water supplied from the outside such as tap water to be purified by the water purification unit 10, and may be connected to the plurality of filters 2, 4, 6, and the first filter 2. Can be connected to.

The first filter outlet flow passage 12 may be connected to the first filter 2 to guide the water passing through the first filter 2.

A water supply valve 13 for controlling the water passing through the first filter 2 may be connected to the first filter outlet flow passage 12. Here, the water supply valve 13 is closed in the water supply mode to be described later to help the water for sterilization component generation through the water supply mechanism 60 in the sterilization mode.

A second filter inflow passage 14 may be connected to the water supply valve 13 to guide the water passing through the water supply valve 13 to the second filter 4.

The second filter 4 may be connected to a third filter inflow passage 15 for guiding water passing through the second filter 4 to the third filter 6.

The water purification unit 10 may be connected to the water tank inflow passage 16 for guiding the water passing through the water purification unit 10 to the water tank 20.

The tank inlet flow passage 16 guides the purified water from the purified water unit 10 to be contained in the water tank 20, and one end thereof may be connected to the third filter 6, and the other end thereof may be connected to the water tank 20.

The water tank 20 is a tank in which the water purified by the water purification unit 10 is contained, and may be installed at least one.

The water tank 20 may include at least one of a water tank 22 in which water is contained and a cold water tank 24 in which water is contained and the water contained therein is cooled.

The cold water tank 24 may be connected to a cooling device 25 for cooling the water in the cold water tank 24, the cooling device 25 is a compressor for compressing the refrigerant, a condenser to condense 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. The chiller may be disposed inside the cold water tank 24 or on the outer wall of the cold water tank 24, and the refrigerant may cool the water in the cold water tank 24 while being evaporated when passing through the evaporator.

When the water tank 20 is configured as the water storage tank 22 without including the cold water tank 24, the water tank inflow passage 16 may be a water storage tank inflow passage connected to the water storage tank 22, and the water storage tank 22 may include The purified water discharge passage may be connected to the water contained in the reservoir 22 to the outside. The purified water discharge passage may be provided with a purified water discharge valve for regulating the water discharged from the reservoir 22 to the purified water discharge passage.

When the water tank 20 is configured as a cold water tank 24 without including the water storage tank 22,

The water tank inlet flow passage 16 may be a cold water tank inlet passage connected to the cold water tank 24, and the cold water tank 24 has a cold water outlet channel 26 for extracting water contained in the cold water tank 24 to the outside. Can be connected. The cold water outlet passage 26 may be provided with a cold water outlet valve 27 for controlling the water discharged from the cold water tank 24 to the cold water outlet passage 26.

When the water tank 20 includes both the water storage tank 22 and the cold water tank 24, the water tank inflow passage 16 may be a water storage tank inflow passage connected to the water storage tank 22, and the cold water tank 24 may be a water storage tank. Water flowing out from 22 may be installed to cool by inflow. The reservoir 22 may be connected to the cold water tank 24 and the connection flow path 23, and the water of the reservoir 22 flows into the connection water flow path 23 and then flows into the cold water tank 24 and the cold water tank 24. Can be cooled in The cold water tank 24 may be connected to a cold water discharge channel 26 for withdrawing water contained in the cold water tank 24 to the outside. The cold water outlet passage 26 may be provided with a cold water outlet valve 27 for controlling the water discharged from the cold water tank 24 to the cold water outlet passage 26.

 The water purifier may further include a hot water tank 28 in which water is contained and in which the contained water is heated. The hot water tank 28 may be provided with a heater 29 for heating the water. The hot water tank 28 may be installed so that the water flowing out of the water storage tank 22 flows in and is heated. The hot water tank 28 may be connected to the water storage tank 22 and the hot water tank inflow passage 30, and the water of the water storage tank 22 flows into the hot water tank inflow passage 30 and then flows into the hot water tank 28 to receive hot water. May be heated in bath 28. The hot water tank 28 may be connected to the hot water discharge passage 31 for withdrawing water contained in the hot water tank 28 to the outside. The hot water outlet passage 31 may be provided with a hot water outlet valve 32 for controlling the water discharged from the hot water tank 28 to the hot water outlet passage 31.

On the other hand, the water tank 20 may be connected to the drain passage 34 for draining the water of the water tank 20 to the outside. When the water tank 20 includes the water tank 22 and the cold water tank 24, the drain passage 34 may be connected to the cold water tank 24 to drain water from the cold water tank 24 to the outside.

The electrolytic sterilizer 40 is capable of sterilizing the water tank 20 including the water storage tank 22 and the cold water tank 24. The electrolytic sterilizer 40 can change the chlorine ions in the water to hypochlorite ions, which are sterilization components by electrolyzing water. have.

The electrolytic sterilizer 40 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 the water to flow between the anode and the cathode, and the water passed between the anode and the cathode is discharged. The water exit portion may be formed.

The circulation passage 50 may be connected to the drainage passage 34 and the tank inlet passage 16 to allow the water leaked from the tank 20 to the drainage passage 34 to be introduced into the electrolytic sterilizer 40, and the electrolytic sterilizer 40. Water passing through the 40 may be introduced into the water tank 20 through the water tank inlet 16.

The circulation passage 50 is connected to the drainage passage 34 and the water tank 20 to allow the water leaked from the water tank 20 to the drainage passage 34 to be introduced into the electrolytic sterilizer 40, and the electrolytic sterilizer 40. Water passing through) may be introduced into the water tank (20).

The circulation passage 50 is connected to the water tank 20 and the water tank inlet 16 to allow the water flowing out of the water tank 20 to flow into the electrolytic sterilizer 40, and the water passed through the electrolytic sterilizer 40. Through the water tank inlet 16, it can be introduced into the water tank 20.

Hereinafter, the circulation passage 50 will be described as being connected to the water tank inlet 16 and the drain 34, one end 51 is connected to the drainage passage 34 and the other end 52 is the tank inlet 16 It will be described as being connected to).

The circulation passage 50 includes an electrolytic sterilizer inlet passage 53 connected to the drainage passage 34 and the electrolytic sterilizer 40, and an electrolytic sterilizer outlet passage connected to the electrolytic sterilizer 40 and the water tank inlet passage 16. ) May be included.

That is, in the water purifier, the water of the water tank 20 including both the reservoir tank 22 and the cold water tank 24 is discharged from a part of the drainage passage 34, the electrolytic sterilizer flow passage 53, the electrolytic sterilizer 40, and the electrolytic sterilizer. After partially passing through the flow path 54 and the water tank inlet 16, it may be returned to the inside of the water tank 20 including both the water reservoir 22 and the cold water tank 24. A portion of the reservoir 22, the cold water tank 24, the drain passage 34, the electrolytic sterilizer inlet passage 53, the electrolytic sterilizer 40, the electrolytic sterilizer outlet passage 54, and the part of the tank inlet passage 16 The water circulates through the reservoir 22, the cold water tank 24, and the electrolytic sterilizer 40 to constitute a sterilization flow path for sterilizing the reservoir 22 and the cold water tank 24.

The water purifier may include a combined circulation drain pump 55. The combined circulation drain pump 55 may be driven in the sterilization mode to cause the reservoir 22 and the cold water tank 24 to be sterilized by the electrolytic sterilizer 40, and may be driven in the drainage mode to operate the reservoir 22 and the cold water tank ( The water in 24 can be drained to the outside.

When the combined circulation drain pump 55 is disposed between the one end 51 of the circulation flow path 50 and the cold water tank 24, the sterilization of the water tank 20 and the drainage of the water tank 20 are one circulation combined water drain. Optionally done by pump 55.

That is, the combined circulation drain pump 55 may be driven in the sterilization mode and the drain mode, respectively.

 The combined circulation drain pump 55 may be turned off after being turned on for a predetermined time in the sterilization mode.

 The combined circulation drainage pump 55 may be turned on and off a set number of times in the sterilization mode. The combined circulation drainage pump 55 is turned on for the on set time and then turned off for the off set time, and the on and off may be repeatedly performed as many times as the set number.

That is, the combined circulation drain pump 55 is continuously turned on for a predetermined time in the middle of the sterilization mode and then turned off so that the water can be continuously circulated through the water tank 20 and the electrolytic sterilizer 40 in the middle of the sterilization mode. It is possible to repeat on and off during the mode so that the water circulation and stop are repeated a predetermined number of times.

The water purifier may include a circulation and drain control valve 56 installed between one end 51 of the circulation passage 50 and the outlet 35 of the drain passage 34.

 The circulation and drain control valve 56 may be closed in sterilization mode and open in drain mode. The water flowing out of the water tank 20 is blocked by the circulation and drain control valves 56 in the sterilization mode and is not drained to the outside, and is drained by the circulation and drain control valves 56 in the drainage mode.

When the electrolytic sterilizer 40 does not produce sterilization components in a concentration sufficient to sterilize the reservoir 22 and the cold water tank 24, the electrolytic sterilizer 40 may store the reservoir 22 and the cold water tank. Help to produce a bactericidal component in a concentration sufficient for the sterilization of (24).

In order to increase the water purification capacity, any one of the plurality of filters (2) (4) (6) may excessively lower the concentration of chlorine ions contained in the water, in which case the reservoir 22 and the cold water tank 24 The water circulating in the electrolytic sterilizer 40 may not reach the target concentration of hypochlorite as a sterilization component due to insufficient concentration of chlorine ions, and may take a long time to reach the target concentration even if the sterilization component of hypochlorite is reached to the target concentration. Can be.

On the other hand, if the water supply mechanism 60 is additionally supplied with water for the generation of sterilization components in the water circulating the reservoir 22, the cold water tank 24 and the electrolytic sterilizer 40, the electrolytic sterilizer 40 As the additional water is introduced, chlorine ions contained in the additionally introduced water are electrolyzed by the electrolytic sterilizer 40 to generate hypochlorous acid at an appropriate concentration for sterilization of the storage tank 22 and the cold water tank 24. do.

The water supply device 60 preferably supplies water that has not yet passed through a filter that excessively lowers the concentration of chlorine ions contained in the water.

The water supply device 60 is configured to allow the water that has passed through a portion 2 of the plurality of filters 2, 4, 6 to pass through the remaining portions 4, 6 of the plurality of filters 2, 4, 6. Bypass may include a bypass passage 62, 64 connected to be guided to at least one of the reservoir 22, the cold water tank 24, the electrolytic sterilizer 40 and the circulation passage (50).

In the bypass passages 62 and 64, the first filter 2 is the sediment filter 2, the second filter 4 is the reverse osmosis membrane filter 4, and the third filter 6 is the carbon filter. In the case of (6), the water passing through the sediment filter (2) may be connected to the reverse osmosis membrane filter (4) and the carbon filter (6) bypass.

The water supply device 60 may further include a bypass valve 66 installed in the bypass flow paths 62 and 64. Bypass valve 66 may be open in sterilization mode.

The bypass flow paths 62 and 64 guide water passing through a portion 2 of the plurality of filters 2, 4, and 6 to the water tank inlet 16 and through the water tank inlet 16. To (2).

The bypass flow paths 62 and 64 have one end 63 with a portion 2 of the plurality of filters 2, 4, 6 and the remainder 4 of the plurality of filters 2, 4, 6. It is possible to be connected between 6, and one end 63 may be directly connected to a part 2 of the plurality of filters 2, 4, 6.

 The bypass passages 62 and 64 may be connected to the other end 65 of the tank inlet passage 16.

 The bypass flow paths 62 and 64 include a bypass valve inlet flow path 62 connected to one of the first filter 2 and the first filter outlet flow path 12, and the bypass valve 66. The valve 66 and the water tank inlet 16 may include a bypass valve outlet passage 64.

The bypass valve discharge channel 64 is connected before the point where the electrolytic sterilizer discharge channel 54 and the tank inlet channel 16 are connected in the water flow direction of the tank inlet channel 16.

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 when the first embodiment of the water purifier according to the present invention is cold water intake, Figure 4 is a water purifier according to the present invention Fig. 5 shows the water flow when the first embodiment is in sterilization mode, and Fig. 5 shows the water flow when the first embodiment of the water purifier according to the present invention is in the drainage mode.

The water purifier according to the present embodiment may further include an input unit 67 for the user to input a command, and a control unit 68 for controlling the water purifier according to the input of the input unit 67. The control unit 68 includes a water supply valve 13, a cooling device 25, a cold water discharge valve 27, a heater 29, a hot water discharge valve 32, an electrolytic sterilizer 40, a combined circulation pump, and The circulation and drain control valve 56 and the bypass valve 96 can be controlled.

In the cold water intake mode, the controller 68 may open the water supply valve 13, drive the cooling device 25, and open the cold water discharge valve 27. The controller 68 may stop the electrolytic sterilizer 40 and the combined circulation drain pump 55 in the cold water intake mode, and may seal the circulation and drain control valve 56 and the bypass valve 96. The controller 68 may turn off the heater 29 in the cold water intake mode, and seal the hot water discharge valve 32.

In the sterilization mode, the controller 68 may close the water supply valve 13, stop the cooling device 25, and close the cold water discharge valve 27. The control unit 68 may drive the electrolytic sterilizer 40 and the combined circulation drain pump 55 in the sterilization mode, seal the circulation and drain control valve 56, and open the bypass valve 66. You can. In the sterilization mode, the controller 68 may turn off the heater 29 and seal the hot water discharge valve 32.

In the drainage mode, the controller 68 may open or close the water supply valve 13, stop the cooling device 25, and close the cold water discharge valve 27. The control unit 68 can stop the electrolytic sterilizer 40 in the drainage mode, drive the combined circulation drain pump 55, open the circulation and drain control valve 56, and bypass valve 96. Can be opened or closed. In addition, the controller 68 may turn off the heater 29 in the drainage mode, and seal the hot water discharge valve 32.

Hereinafter, the operation according to the present embodiment will be described. For convenience of description, it will be described as a case in which the water tank 20 includes the water storage tank 22 and the cold water tank 24.

First, when the user inputs the cold water intake by inputting the input unit 67, as shown in FIG. 3, the water inside the cold water tank 24 is discharged to the outside through the cold water discharge passage 26, and the water tank ( The water of 22 is transferred to the cold water tank 24 as much as water is discharged from the cold water tank 24, and the water of the raw water feed flow passage 11 passes through the first filter 2, the water supply valve 13, and the second filter. After being purified while passing through (4) and the third filter (6), the water is passed through the tank inlet flow passage (16) and filled with the reservoir (22).

When the user inputs the input unit 67 and inputs a sterilization command, the water purifier performs a sterilization stroke, and during the sterilization stroke, the water in the raw water feed flow passage 11 receives the first filter (as shown in FIG. 4). After passing through 2), the second filter 4 and the third filter 6 are bypassed while passing through the bypass valve 66, and then flows into the water tank 22 through the water tank inlet 16. The water introduced into the reservoir 22 is mixed with the water in the reservoir 22 and the cold water tank 24, and then the combined circulation drain pump 55, the electrolytic sterilizer 40, the reservoir 22 and the cold water tank 24. The sterilization component is generated in the electrolytic sterilizer 40 while circulating, and the sterilization component generated in the electrolytic sterilizer 40 sterilizes the combined circulation drain pump 55, the reservoir 22, and the cold water tank 24.

In the water purifier, during the sterilization stroke, water which bypasses the second filter 4 and the third filter 6 may be introduced into the reservoir 22 while a part of the water in the cold water tank 24 is drained to the outside. After a part of the water in the tank 24 is drained to the outside, the water bypassing the second filter 4 and the third filter 6 can be introduced into the reservoir 22,

The water purifier drives the electrolytic sterilizer 40 and the combined-use drain pump 55 while water bypassing the second filter 4 and the third filter 6 flows into the reservoir 22 during the sterilization stroke. It is possible that the water bypassing the second filter 4 and the third filter 6 flows into the reservoir 22 and no longer bypasses the second filter 4 and the third filter 6. It is possible to drive the electrolytic sterilizer 40 and the combined-use drainage pump 55 after not being introduced into the reservoir 22.

 When the user inputs a drainage command by inputting the input unit 67, the water purifier, as shown in Figure 5, the water in the cold water tank 24 is combined with the circulation combined drain pump 55 and the circulation and drain control valve 56 After passing sequentially, the water is drained to the outside, the water in the reservoir 22 is moved to the cold water tank 24 as the water in the cold water tank 24 is drained, combined circulation pump pump 55 and circulation and drain control valve Drained to the outside through 56.

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

The water purifier according to the present embodiment may be connected to the cold water tank 24 to supply water to the cold water tank 24 to supply water for sterilizing components.

The water supply device 60 may include a bypass passage 72 and 74 and a bypass valve 76.

The bypass passages 72 and 74 have one end 73 with a portion 2 of the plurality of filters 2, 4, 6 and the remainder 4 of the plurality of filters 2, 4, 6. It is possible to be connected between (6), and one end 73 may be directly connected to a part 2 of the plurality of filters (2) (4) (6).

 The bypass passages 72 and 74 may have other ends 75 connected to the cold water tank 24.

 The bypass flow paths 72 and 74 include a bypass valve inlet flow path 72 connected to one of the first filter 2 and the first filter outlet flow path 12, and the bypass valve 76. It may include a bypass valve discharge passage 74 connected to the valve 76 and the cold water tank 24.

The water purifier according to the present embodiment uses the same reference numerals and the detailed description thereof will be omitted since other configurations and operations other than the positions of the bypass flow paths 72 and 74 are the same or similar to those of the first embodiment of the present invention.

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

The water purifier according to this embodiment is connected to the electrolytic sterilizer 40, the water supply mechanism 60 can supply water for the generation of sterilization components to the electrolytic sterilizer (40).

The water supply device 60 may include a bypass flow path 82 and 84 and a bypass valve 86.

The bypass flow paths 82 and 84 have one end 83 having a portion 2 of the plurality of filters 2, 4, 6 and the remainder 4 of the plurality of filters 2, 4, 6. It is possible to be connected between (6), and one end 83 can be directly connected to a part 2 of the plurality of filters (2) (4) (6).

 The bypass flow paths 82 and 84 may have other ends 85 connected to the electrolytic sterilizer 40.

The bypass flow paths 82 and 84 may include a bypass valve inlet flow path 82 connected to one of the first filter 2 and the first filter outlet flow path 12, and the bypass valve 86. It may include a bypass valve discharge passage 84 connected to the valve 86 and the electrolytic sterilizer 40.

The water purifier according to the present embodiment uses the same reference numerals and the detailed description thereof will be omitted since other configurations and operations other than the positions of the bypass flow paths 82 and 84 are the same or similar to those of the first embodiment of the present invention.

The bypass valve outlet passage 84 is preferably connected to the water inlet of the electrolytic sterilizer 40.

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

The water purifier according to the present embodiment may be connected to the water supply mechanism 60 to the circulation passage 50 to supply water for the generation of the sterilization component to the circulation passage 50.

The water supply device 60 may include a bypass flow path 92 and 94 and a bypass valve 96.

The bypass passages 92 and 94 have one end 93 with a portion 2 of the plurality of filters 2, 4, 6 and the remainder 4 of the plurality of filters 2, 4, 6. It is possible to be connected between (6), and it is possible for one end 93 to be directly connected to some 2 of a plurality of filters (2) (4) and (6).

 The bypass passages 92 and 94 may have the other end 95 connected to the circulation passage 50.

The bypass flow paths 92 and 94 include a bypass valve inlet flow path 92 connected to one of the first filter 2 and the first filter outlet flow path 12, and the bypass valve 96. It may include a bypass valve withdrawal flow path 94 connected to the valve 96 and the circulation flow path (50).

The water purifier according to the present embodiment uses the same reference numerals and the detailed description thereof will be omitted since other configurations and operations other than the positions of the bypass flow paths 92 and 94 are the same or similar to those of the first embodiment of the present invention.

The bypass valve discharge passage 94 may be connected to one of the electrolytic sterilizer inlet passage 53 and the electrolytic sterilizer outlet passage 54, and the reservoir 22 after the bypassed water is obtained from the electrolytic sterilizer 40. And it is preferable to be connected to the electrolytic sterilizer acquisition passage 53 so as to flow into the water tank 20 of the cold water tank (24).

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

The water in the raw water feed passage 11 through which the water feed mechanism 60 according to the present embodiment guides the water to the water purification unit 10 bypasses the plurality of filters 2, 4, 6, and thus the water tank 20. And bypass passages 102 and 104 connected to at least one of the electrolytic sterilizer 40 and the circulation passage 50, and a bypass valve 106 installed in the bypass passages 102 and 104. Other configurations and actions other than the positions of the bypass flow passages 102 and 104 may be the same as or similar to those of the first to fourth embodiments of the present invention, and therefore the same reference numerals are used and detailed description thereof will be omitted.

The bypass flow passage 102, 104 has one end 103 may be connected to the raw water supply flow passage 11, the other end 105, as in the first to fourth embodiments of the present invention, the water tank inlet passage 16 ) May be connected to one of the cold water tank 24 and the electrolytic sterilizer 40 and the circulation passage 50.

The bypass flow passages 102 and 104 are provided with a bypass valve inlet passage 102 connecting the raw water feed passage 11 and the bypass valve 106, a water tank inlet passage 16, and a cold water tank 24. One of the sterilizer 40 and the circulation passage 50 may include a bypass valve discharge passage 104 connecting the bypass valve 106.

       10 is a diagram showing the configuration of a sixth embodiment of a water purifier according to the present invention.

In the water purifier according to the present embodiment, a plurality of filters (2) (4) and (6) may use a sediment filter (2), a hollow fiber membrane filter (4 ', ultra filtration membrame filter), and a carbon filter (6). It may include.

The hollow fiber membrane membrane filter 4 'is a filter for removing bacteria, viruses and fine particles in the water. The 0.1 to 0.4 micron fine hollow fiber membrane membrane filter 4' filters out impurities remaining in the water and removes minerals. Pass only clean water as it is.

Unlike the first to fifth embodiments of the present invention, the water purifier of the present embodiment differs from the first to fifth embodiments of the present invention because the hollow fiber membrane membrane filter 4 'does not excessively lower the chlorine ion concentration in water. Without the water supply mechanism of the example, the water of the water tank 20, that is, the water of the water tank 22 and the water of the cold water tank 24 circulates through the electrolytic sterilizer 40, the water storage tank 22 and the cold water tank 24, A sterilization component can be produced at 40, and the resulting sterilization component sterilizes the reservoir 22 and the cold water tank 24 together.

2: first filter 4: second filter
6: 3rd filter 10: Water purification part
13: water supply valve 20: water tank
22: water tank 24: cold water tank
25: chiller 26: cold water outlet
27: cold water outlet valve 34: drain flow path
40: electrolytic sterilizer 50: circulation passage
52; Euro electrolytic sterilizer flow passage 54: Electrolytic sterilizer discharge passage
55: combined circulation drain pump 56: circulation and drain control valve
60: water supply mechanism 62,64: bypass flow path
66: bypass valve

Claims (23)

A water purification unit including a plurality of filters to be purified while passing water sequentially;
A water tank including a water tank containing water purified by the water purification unit and a cold water tank into which water discharged from the water storage tank is introduced and cooled;
A drain flow channel for draining the water of the cold water tank to the outside of the water purifier;
An electrolytic sterilizer which electrolyzes water to generate sterilization components;
A circulation passage connected to the drainage passage, wherein the water in the cold water tank is connected to circulate the electrolytic sterilizer, the reservoir and the cold water tank;
A bypass flow path connected to supply water to at least one of the reservoir tank, the cold water tank, the electrolytic sterilizer, and the circulation passage after the water for generating a sterilization component bypasses at least one filter of the plurality of filters;
A circulation combined drain pump provided on the drain passage and operating in a sterilization mode and a drain mode;
In the sterilization mode, the drain flow path is blocked so that the water pumped by the combined circulation drain pump moves along the circulation flow path, and in the drainage mode, the water pumped by the combined circulation drain pump is drained along the drain flow path. Circulation and drain control valves for opening the drain passages;
And a bypass valve that opens the bypass flow path in the sterilization mode and blocks the bypass flow path in the drainage mode. The method of claim 1,
The circulating flow path
A water purifier, one end of which is connected to a drain passage for draining the water of the cold water tank to the outside, and the other end of which is connected to a water tank inlet passage that guides the water passing through the water purification unit to the tank. 3. The method of claim 2,
The circulation passage is a water purifier including an electrolytic sterilizer acquisition passage connected to the drainage passage and an electrolytic sterilizer, and an electrolytic sterilizer discharge passage connected to the electrolytic sterilizer and the tank receiving passage. The method of claim 1,
The circulation combined use drain pump,
A water purifier disposed between the cold water tank and one end of the circulation passage in the drain passage. delete The method of claim 1,
The circulation combined drain pump is a water purifier that is turned on and off for a predetermined time in the sterilization mode. The method of claim 1,
The circulation combined drain pump is a water purifier that is repeated on and off the set number of times in the sterilization mode. The method of claim 1,
The circulation and drain control valve,
And a water purifier installed between one end of the circulation passage and the outlet of the drain passage. delete delete The method of claim 1,
The plurality of filters includes a sediment filter, a reverse osmosis membrane filter, and a carbon filter that is purified while passing water sequentially,
The bypass flow path is a water purifier in which water passing through the sediment filter bypasses the reverse osmosis membrane filter and the carbon filter. delete delete delete delete delete delete delete The method of claim 1,
The water purifier further comprising a water supply valve disposed between some of the plurality of filters and the rest of the plurality of filters. The method of claim 19,
And the water supply valve is turned off in the sterilization mode. A water purification unit including a plurality of filters through which water passes sequentially;
A water tank containing water purified from the water purification unit;
An electrolytic sterilizer which electrolyzes water to generate sterilization components;
A drain flow channel for draining the water of the tank to the outside of the water purifier;
A circulation passage connected to the drain passage, for connecting the water of the tank to circulate the electrolytic sterilizer, the reservoir tank and the cold water tank;
A bypass flow passage connected to supply water to at least one of the water tank, the electrolytic sterilizer, and the circulation passage after the water for generating a sterilization component bypasses at least one of the plurality of filters;
A combined circulation drain pump provided on the drain passage and operating in a sterilization mode and a drain mode;
In the sterilization mode, the drain flow path is blocked so that the water pumped by the combined circulation drain pump moves along the circulation flow path, and in the drainage mode, the water pumped by the combined circulation drain pump is drained along the drain flow path. Circulation and drain control valves for opening the drain passages;
And a bypass valve that opens the bypass flow path in the sterilization mode and blocks the bypass flow path in the drainage mode. delete delete

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