CN106565039B - Water treatment system, sterilization method for water treatment system, and sterilization cup - Google Patents

Water treatment system, sterilization method for water treatment system, and sterilization cup Download PDF

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Publication number
CN106565039B
CN106565039B CN201510646290.1A CN201510646290A CN106565039B CN 106565039 B CN106565039 B CN 106565039B CN 201510646290 A CN201510646290 A CN 201510646290A CN 106565039 B CN106565039 B CN 106565039B
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water
storage tank
sterilizing
sterilization
hydrant
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CN106565039A (en
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孙正哲
金昌镇
尹星文
李仁揆
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Cuckoo Homesys Co Ltd
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Cuckoo Homesys Co Ltd
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Priority to CN201910481351.1A priority patent/CN110143704B/en
Publication of CN106565039A publication Critical patent/CN106565039A/en
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  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

The invention discloses a water treatment system, a sterilization method for the water treatment system and a sterilization cup, which aims to sterilize a storage tank and a water intake plug under the condition of not discharging water in the storage tank and uniformly sterilize the interiors of a plurality of storage tanks. In order to achieve the above object, a water treatment system of the present invention comprises: a first storage tank and a second storage tank which respectively store water filtered by the filtering part at different temperatures; a circulation passage connected to circulate water of the first and second storage tanks; the sterilization module is formed on the circulating channel and generates sterilization water; and a control unit for controlling the sterilizing water generated in the sterilizing module to circulate through the circulation passage or supply the sterilizing water to the water-collecting cock.

Description

Water treatment system, sterilization method for water treatment system, and sterilization cup
Technical Field
The present invention relates to a water treatment system, a method of sterilizing a water treatment system, and a sterilization cup, and more particularly, to a water treatment system, a method of sterilizing a water treatment system, and a sterilization cup, which sterilize the inside of a tank and a pipe and a water intake cock with sterilizing water.
Background
The existing water purifier includes: the raw water valve is used for controlling the supply of tap water or natural water; a pretreatment precipitation filter element for filtering impurities in the raw water passing through the raw water valve; a pre-treated activated carbon filter (Free carbon filter) for removing chlorine components or odors from raw water; a Post-treatment activated carbon part (Post carbon filter) for removing chlorine components or odors contained in the purified water passing through the pre-treatment activated carbon part; a hollow fiber membrane cartridge for removing bacteria and other particles contained in the purified water passing through the post-treatment activated carbon part; and the water tank is used for storing the purified water passing through the hollow fiber membrane filter element.
In general, in a water treatment plant, a chlorine-containing disinfectant is administered to inhibit the growth of microorganisms in water, and the chlorine-containing component is removed from the pretreated activated carbon section and the post-treated activated carbon section and stored in a water tank while tap water to which the disinfectant is administered passes through a water purifier.
Since chlorine-containing components for inhibiting the proliferation of microorganisms in the purified water stored in the water tank by the above method have been filtered by the filter cartridge, if a user does not immediately use the purified water stored in the water tank, bacteria may be proliferated inside the water tank after a long time, and for this reason, various methods have been proposed for sterilizing the water tank.
For example, korean patent No. 10-621937 discloses a technique as follows: an electrolytic sterilizing unit for generating a sterilizing and oxidizing mixture of purified water by electrolysis between a filter element and a purified water tank is provided to sterilize the inside of the purified water tank.
However, the sterilization system disclosed in the above-mentioned prior art is configured such that a water intake plug for discharging water stored in the water tank is exposed to the outside, and therefore, the sterilization process is troublesome, and there is a problem that contamination with foreign substances or bacterial growth may occur.
In order to sterilize the hydrant by using the sterilizing water generated in the electrolytic sterilizing unit in the order of the electrolytic sterilizing unit, the fresh water tank, and the cold water tank/hot water tank, it is necessary to discharge all of the water in the fresh water tank, the cold water tank, and the hot water tank, discharge the sterilizing water generated in the electrolytic sterilizing unit to the hydrant through the interiors of the fresh water tank, the cold water tank, and the hot water tank, rinse the sterilizing water remaining in the interiors of the fresh water tank, the cold water tank, and the hot water tank with the rinse water, and then fill the tank with the filtered clean water in the filter part, thereby causing a serious waste of water and increasing the time required for sterilization.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a water treatment system and a method of sterilizing a water treatment system, which can sterilize a storage tank and a water intake plug without discharging water from the storage tank and can uniformly sterilize the interiors of a plurality of storage tanks.
Another object of the present invention is to provide a water treatment system and a sterilization cup that can perform sterilization treatment on the inside and outside of a stopcock using sterilization water generated in a water treatment apparatus.
In order to achieve the above object, a water treatment system of the present invention comprises: a first storage tank and a second storage tank which store the water filtered by the filtering part at different temperatures, respectively; a circulation passage connected to circulate water of the first and second storage tanks; a sterilizing module formed on the circulation channel and generating sterilizing water; and a control unit for controlling the sterilizing water generated in the sterilizing module to circulate through the circulation passage or supply the sterilizing water to the water-collecting cock.
The water treatment system has a hydrant route branched on the circulation passage and connected to the hydrant, and the sterilizing water can be supplied to the hydrant through the hydrant route.
The circulation passage may include: a first connection route connecting an upper space of the first storage box and a lower portion of the second storage box; a second connection line connected to mix water of the lower space of the first storage tank and water of the second storage tank; a circulation line connected to allow water discharged from the second storage tank to flow into an upper space of the first storage tank; and a circulation pump provided on the circulation passage and circulating the water discharged from the first and second storage tanks through the circulation passage.
A third passage switching valve for switching a flow direction of the sterilizing water may be provided at a branch point of the water intake cock route and the circulation route.
The water intake hydrant is composed of a first water intake hydrant for discharging water of the first storage tank and a second water intake hydrant for discharging water of the second storage tank, and the water intake hydrant route is composed of a first water intake hydrant route connected to the first water intake hydrant and a second water intake hydrant route connected to the second water intake hydrant.
The first storage tank and the second storage tank are respectively positioned at the upper part and the lower part, and the height of the upper ends of the water intaking faucet route and the circulating channel is lower than the height of the full water level of the first storage tank, so that the sterilizing water is discharged to the water intaking faucet through the circulating channel and the water intaking faucet route due to the water head difference.
A drain route for discharging the water of the first and second storage tanks to the outside is branched on the circulation passage, and a second passage switching valve for switching a flow direction of the water flowing through the circulation passage may be provided at a branching point.
When a sterilization cup located at the lower part of the water taking cock is detected, the sterilization water can be discharged through the water taking cock.
The sterilization method of the water treatment system comprises the following steps: a) the filtered water in the filtering part is stored in the first storage tank and the second storage tank at different temperatures; b) generating sterilizing water in a sterilizing module provided on a circulation passage that establishes a connection for circulating water in the first and second storage tanks; c) discharging the sterilizing water from the hydrant; d) rinsing water is supplied to the water-fetching plug to perform rinsing.
In the c) step, the sterilizing water may be discharged to the hydrant through a hydrant route branched at the circulation passage.
The circulation path includes: a first connection route connecting an upper space of the first storage box and a lower portion of the second storage box; a second connection line connecting a lower space of the first storage box and an upper portion of the second storage box; and a circulation line connected to the water discharged from the second storage tank to flow into an upper space of the first storage tank. And a first connection line cut-off valve and a first channel switching valve are formed on the first connection line and the second connection line, respectively. And in the sterilization mode, the first connection line cut-Off valve and the first channel switching valve are repeatedly alternately opened (On)/closed (Off).
If the full water level is detected by the water level sensor provided in the first storage tank in the step a), the steps after the step b) are performed.
Stopping the steps after the step b) and outputting a warning to a user when the water level sensor provided in the first storage tank in the step a) does not detect the full water level within a set time.
The step c) is executed when the sterilization cup detector detects the sterilization cup positioned at the lower part of the water fetching bolt.
The sterilizing water generated in the step b) is stored in the first storage tank and the second storage tank, the sterilizing water in the first storage tank and the second storage tank is discharged to the outside through a drain line while the sterilizing water is discharged through the water-taking hydrant in the step c), the rinsing of the water-taking hydrant in the step d) is realized by the rinsing water filtered in the filtering part and stored in the first storage tank and the second storage tank, and after the step d), the rinsing water in the first storage tank and the second storage tank is discharged to the outside through the drain line, and then the filtered water obtained in the filtering part flows into the first storage tank and the second storage tank.
Another water treatment system of the present invention comprises: a water treatment device is provided with: a sterilization module generating sterilization water; a storage unit for storing the water filtered by the filtering unit; a water-taking cock for discharging the water in the storage part to a user; a control unit that performs control so that the sterilizing water is discharged through the water intake cock; and a sterilization cup for containing the sterilization water discharged through the water intake cock, wherein the sterilization water is discharged through the water intake cock according to a water intake cock sterilization request signal of a user.
The water intaking bolt sterilization request signal is generated by pressing a key of an operation panel arranged on the water treatment module by a user.
The water treatment apparatus is provided with a sterilization cup detection unit for detecting the sterilization cup, and the water intake cock sterilization request signal is generated when the sterilization cup detection unit detects the sterilization cup.
The sterilization cup is formed with a magnet, and the sterilization cup detection unit is configured with a sensor for detecting a change in a magnetic field caused by the approach of the magnet.
The sterilization cup comprises: a first housing section having: a storage tank capable of storing the sterilizing water discharged from the water intake cock; an opening part formed at one side of the containing groove and capable of overflowing the sterilizing water in the containing groove; and a second receiving part formed at a lower portion of the first receiving part, for receiving the sterilizing water overflowing through the opening.
The water treatment apparatus may have a light emitting unit for displaying the progress state of the sterilization of the hydrant.
The water intake cock of the water treatment apparatus has a water discharge button at a lower portion thereof, which is pressed by a cup attached by a user for discharging water, and the main body of the sterilization cup is spaced from the water discharge button when the sterilization cup is attached to the water treatment apparatus.
The invention provides a sterilization cup, comprising: a first housing part having a housing groove capable of housing the sterilizing water discharged by a water intake cock for discharging water of a storage part provided in the water treatment apparatus to a user; and a second storage part formed at a lower portion of the first storage part and storing the sterilizing water overflowing from the storage tank.
The first housing portion includes: and an opening part formed at one side of the accommodating groove and capable of overflowing the sterilizing water in the accommodating groove.
A cup pad is formed at a lower portion of the second receiving portion, and a magnet is inserted into a magnet insertion portion formed inside the cup pad.
According to the present invention, the sterilizing module is provided on the circulation line connecting the first storage tank and the second storage tank, so that the sterilizing water can be generated without discharging the water inside the first and second storage tanks in the sterilizing mode, thereby preventing the waste of water and shortening the time required for sterilization.
Further, the sterilizing water is generated by circulating the water inside the first storage tank and the second storage tank, so that the first storage tank and the second storage tank can be uniformly sterilized.
Further, the sterilizing water generated in the sterilizing module is discharged through the water taking plug, so that the inside of the water taking plug can be sterilized, and the sterilizing cup can contain the sterilizing water discharged through the water taking plug, so that the water taking plug is immersed in the sterilizing water contained in the sterilizing cup, and the outside of the water taking plug can be sterilized, so that clean water can be provided for a user, and the reliability of a product can be improved.
In addition, the water stored in the storage tank is used for sterilizing and rinsing the water intaking bolt, so that the waste of water can be reduced, and the time for sterilizing the water intaking bolt can be shortened.
When the full water level of the storage tank is detected, the sterilization mode is started, and the storage tank is sterilized to the full water level by the sterilizing water filled up to the full water level of the storage tank.
And, the first connection line cut-Off valve and the first channel switching valve formed On the first connection line and the second connection line connecting between the first storage tank and the second storage tank are alternately opened (On)/closed (Off) in the sterilization mode, thereby mixing the water of the first storage tank and the second storage tank and reducing the temperature of the water flowing into the circulation line and the circulation pump, so that it is not necessary to use a material having good heat resistance, thereby reducing the price of products and providing the sterilization water of uniform concentration to the first storage tank and the second storage tank.
Further, since the upper ends of the circulation passage and the water intake cock line are lower than the full water level of the first storage tank, the sterilizing water is supplied to the water intake cock line and the water intake cock by the head difference without starting the circulation pump, and thus the flow rate of the water supplied to the sterilizing module is reduced, thereby increasing the concentration of the sterilizing material in the sterilizing water supplied to the water intake cock and reducing noise.
Also, a circulation pump is provided between the second storage tank and the drain line, so that the circulation pump can be used at the time of draining, so that an additional drain pump is not required and the water can be drained quickly.
In addition, the user can select sterilization of the water tap and the cyclic sterilization to independently perform sterilization, so that the convenience of the user can be improved, and the waiting time of the user when using the product can be reduced.
Further, the light emitting unit formed inside the water intake stopper cover is turned on during sterilization of the water intake stopper, thereby drawing attention of a user and improving safety and convenience of use.
In addition, the circulating pump is not started when the water intaking bolt is sterilized, so that the noise can be reduced, the concentration of the sterilizing substance can be improved, and the sterilizing effect of the water intaking bolt can be improved.
Drawings
Fig. 1 is a perspective view showing a state in which a sterilization cup is attached to a water treatment apparatus according to the present invention.
Fig. 2 is a diagram showing an internal configuration of a water treatment apparatus according to a first embodiment of the present invention.
Fig. 3 is a combined perspective view and an exploded perspective view illustrating a sterilization cup according to an embodiment of the present invention.
Fig. 4 is a side sectional view of the sterilization cup of fig. 3.
Fig. 5 is a perspective view showing a back surface of the second housing portion in fig. 3.
Fig. 6 is a perspective view showing the second receiving part of the sterilization cup and the bottom surface of the cup mat in fig. 3.
FIG. 7 is a partial side sectional view showing a state where a sterilization cup is attached to the water treatment apparatus of the present invention.
Fig. 8 is an assembled perspective view and an exploded perspective view of a sterilization cup according to another embodiment of the present invention.
Fig. 9 is a side sectional view of the sterilization cup of fig. 8.
Fig. 10 is a view showing a sterilization cycle process in the water treatment apparatus according to the first embodiment of the present invention.
Fig. 11 is a view illustrating a sterilizing water discharging process in the water treatment apparatus according to the first embodiment of the present invention.
Fig. 12 is a view showing a rinsing water inflow process in the water treatment apparatus according to the first embodiment of the present invention.
Fig. 13 is a view showing a process of performing the sterilization of the hydrant in the water treatment apparatus according to the first embodiment of the present invention.
Fig. 14 is an operation state diagram illustrating a process of containing sterilizing water in the sterilizing cup according to the present invention.
Fig. 15 is a view showing a circulation process of sterilizing water in the water treatment apparatus according to the first embodiment of the present invention.
Fig. 16 is a flowchart showing a process of sterilizing the hydrant in the water purification mode in the water treatment apparatus according to the first embodiment of the present invention.
Fig. 17 is a view showing a process of sterilizing the hydrant in the sterilization cycle mode.
Fig. 18 is a diagram showing an internal configuration of a water treatment apparatus according to a second embodiment of the present invention.
Fig. 19 is a diagram showing an internal configuration of a water treatment apparatus according to a third embodiment of the present invention.
Fig. 20 is a view showing an internal constitution and a sterilization cycle process of a water treatment apparatus according to a fourth embodiment of the present invention.
Fig. 21 is a view showing a process of performing water discharge in a water treatment apparatus according to a fourth embodiment of the present invention.
Fig. 22 is a view showing a process of sterilizing the hydrant in the water treatment apparatus according to the fourth embodiment of the present invention.
Description of the symbols
1: water treatment apparatus 2: sterilization cup
21: first receiving portion 21 a: outer body
21 b: storage groove 21 c: opening part
21 d: inner body 22: second container part
22 a: inner space 22 b: main body part
22 c: upper end flange portion 22 d: a first combining part
22 e: the button guide portion 23: cup pad
24: magnet 25: sealing ring
100: the filter part 150: raw water valve
200: storage section 210: the first storage box
210 a: upper space 210 b: lower space
213: separation plate 213: connecting channel
215: the water level sensor 220: second storage box
300: the sterilization module 310: circulating pump
320: second passage switching valve 330: first passage switching valve
340: circulation line cut-off valve 350: first connecting line trip valve
360: third passage switching valve 400: water outlet part
410: cold water intake valve 420: hot water intake valve
430: a purified water intake valve 440: fourth passage change-over valve
450. 450-1, 450-2: water-fetching bolt 511: first connecting line
512. 512-1: second connection routes 521a, 521b, 521c, 521 d: circulation route
531. 531-1, 531-2: water intake plug route 532: cold water taking line
533: hot water intake route 534: water purification and taking line
610: the operation panel 620: water receiving part
Detailed Description
Hereinafter, the configuration and operation of the preferred embodiment of the present invention will be described in detail with reference to the drawings.
Fig. 1 is a perspective view showing a state in which a sterilization cup is attached to a water treatment apparatus according to the present invention.
The water treatment system of the present invention includes a water treatment apparatus 1 and a sterilization cup 2.
An operation panel 610 protruding forward is provided on the front portion of the water treatment apparatus 1, the operation panel 610 includes a plurality of buttons (not shown) such as a button for allowing a user to select cold water or hot water and a button for selecting a water tap to sterilize, a water receiving tray 620 is provided on the lower portion of the operation panel 610, and a sterilization cup 2 can be attached to the upper portion of the water receiving tray 620.
A water tap 450 (fig. 2) protruding downward is provided at a lower portion of the operation panel 610, and when a user desires to sterilize the water tap 450, the sterilizing cup 2 is attached to the drain pan 620, and then the sterilizing water discharged from the water tap 450 is stored in the sterilizing cup 2.
Fig. 2 is a diagram showing an internal configuration of a water treatment apparatus according to a first embodiment of the present invention.
A water treatment apparatus 1 according to a first embodiment of the present invention includes: a filter unit 100 for filtering raw water and including a plurality of filter elements 110, 120, 130, and 140; a storage part 200 for storing water filtered in the filtering part 100; a sterilizing module 300 disposed on a circulation line 521 connected to the storage part 200 and supplying sterilizing water; a water outlet part 400 for discharging the water stored in the storage part 200 to a user.
The filter portion 100 includes: a pretreatment precipitation Filter element 110, a pretreatment activated Carbon Filter element 120(Free Carbon Filter), a Post-treatment activated Carbon Filter element 130(Post Carbon Filter), and a hollow fiber membrane Filter element 140. And a reverse osmosis membrane cartridge may be formed instead of the hollow fiber membrane cartridge 140.
A purified water moving path for moving purified water is formed between the filter elements 110, 120, 130, and 140 by connecting a plurality of pipes 501, 502, and 503 to each other, and a raw water valve 150 capable of controlling inflow of raw water is provided in the pipe 501 connecting the pre-treatment sedimentation filter element 110 and the pre-treatment activated carbon filter element 120.
The storage part 200 is for storing water filtered in the filtering part 100, and includes: a first storage tank 210 connected to the hollow fiber membrane cartridge 140 through a purified water supply line 504 and storing cold water and purified water; and a second storage tank 220 connected to the first storage tank 210 and storing hot water.
The first storage tank 210 is composed of an upper space 210a for storing normal temperature purified water and a lower space 210b for storing cold water. The upper space 210a and the lower space 210b are divided by a separation plate 213, and are provided with: and a connection passage 214 extending downward from the center of the separation plate 213 and penetrating the lower space 210b, for supplying the purified water to the second storage tank 220 without mixing with the cold water.
A cooling coil (not shown) for cooling the stored purified water may be provided around the outside of the lower space 210b, and a heater (not shown) for heating the stored purified water may be provided around the outside of the second storage tank 220. Of course, the cooling coil and the heater may be formed in the lower space 210b of the first storage tank 210 and the inside of the second storage tank 220.
The sterilization module 300 may be configured as follows, for example: electrolyzing water to react chlorine ions contained in the raw water with oxygen, hydrogen, etc. to generate HOCl and ClO-An ion or other sterilizing substance.
The cold water in the first storage tank 210 and the hot water in the second storage tank 220 are supplied to the user through the water intake part 400. The water intake part 400 includes: a cold water intake valve 410 installed on a cold water intake route 532 connected to the lower space 210b of the first storage tank 210 and controlling supply of cold water; a hot water intake valve 420 installed on a hot water intake line 533 connected to an upper portion of the second storage tank 220, and controlling supply of hot water; a water tap 450 for supplying the cold and hot water to a user.
In addition, a circulation path including a first connection line 511, a second connection line 512, and circulation lines 521a, 521b, 521c, and 521d is provided to circulate the sterilizing water between the first and second storage tanks 210 and 220 and the sterilizing module 300.
The first connection line 511 has one end connected to the connection passage 214 of the first storage tank 210 and the other end connected to the lower portion of the second storage tank 220, so that the water of the upper space 210a of the first storage tank 210 flows into the second storage tank 220.
The first connection line 511 has: the first connection line cut-off valve 350 is opened (On) when the sterilization cycle is performed and the water intake valve sterilization is performed, so that the water or the sterilizing water in the first storage tank 210 flows into the second storage tank 220.
The second connection line 512 connects the cold water intake line 532 and the hot water intake line 533, so that the water in the lower space 210b of the first storage tank 210 can flow into the upper portion of the second storage tank 220 through the cold water intake line 532, the second connection line 512, and the hot water intake line 533.
At the place where the second connection route 512 and the cold water intake route 532 cross, there is a first passage circulation valve 330 opened to flow water through the second connection route 512 in the sterilization mode.
In the first passage switching valve 330, the passage connected from the cold water intake passage 532 to the cold water intake valve 410 is always opened, and the passage connected from the cold water intake passage 532 to the second connection passage 512 is opened/closed (On/Off), but may be closed in one of the passage directions and opened in the other of the passage directions.
Therefore, in the case of supplying the water of the lower space 210b to the cold water intake valve 410, the first passage switching valve 330 is closed (off); and the first passage switching valve 330 is opened (on) in the case that the water of the lower space 210b is supplied to the second storage tank 220 through the second connection line 512.
The circulation lines 521a, 521b, 521c, 521d connect between the lower portion of the second storage tank 220 and the upper portion of the first storage tank 210.
The circulation lines 521a, 521b, 521c, and 521d include: a circulation pump 310 for circulating sterilizing water; a circulation line cut-off valve 340 for controlling whether or not water is supplied to the circulation lines 521a, 521b, 521c, 521d when the sterilization cycle is performed; a second passage switching valve 320 formed at a place where the circulation routes 521a and 521b and the drain route 541 intersect, and for switching a passage direction; a sterilizing module 300 for generating sterilizing water using the water passing through the circulation lines 521b and 521 c; a third passage switching valve 360 for supplying the sterilizing water generated at the sterilizing module 300 to one direction of the first storage tank 210 and the hydrant line 531.
The drain line 541 is branched from the circulation lines 521a and 521b, and the second passage switching valve 320 is opened (On) at the time of draining to connect the drain line 541 to the circulation line 521a, thereby allowing the water in the first and second storage tanks 210 and 220 to be drained to the outside through the drain line 541, and is closed (Off) at a time other than the time of draining, thereby connecting the circulation line 521b in the direction of the sterilization module 300 to the circulation line 521a, thereby supplying the water of the first and second storage tanks 210 and 220 to the sterilization module 300.
The third path switching valve 360 is closed (Off) when the sterilization cycle is performed, so that the circulation path 521d in the direction of the first storage tank 210 is connected to the circulation path 521c, so that the sterilization water generated in the sterilization module 300 flows into the first storage tank 210 through the circulation path 521d, and is opened (On) when the water intake cock sterilization is performed, so that the water intake cock path 531 is connected to the circulation path 521c, so that the sterilization water passes through the water intake cock path 531 and is discharged to the sterilization cup 2 through the water intake cock 450.
In the above, the second and third passage switching valves 320 and 360 may be formed such that one of the passage directions of both sides is closed and the other passage direction is opened.
Fig. 3 is a combined perspective view and an exploded perspective view illustrating a sterilization cup according to an embodiment of the present invention, fig. 4 is a side sectional view of the sterilization cup of fig. 3, fig. 5 is a perspective view illustrating a rear surface of a second receiving part of fig. 3, fig. 6 is a perspective view illustrating the second receiving part of the sterilization cup of fig. 3 and a bottom surface of a cup mat, fig. 7 is a partial side sectional view illustrating a state in which the sterilization cup is mounted on a water treatment apparatus according to the present invention, and the sterilization cup according to an embodiment of the present invention will be described below with reference to fig. 3 to 7.
The sterilization cup 2 of the present invention includes: a first housing part 21 having a housing groove 21b for housing the sterilized water discharged from the water cock 450; a second storage part 22 formed at a lower portion of the first storage part 21 and storing the sterilizing water overflowing from the storage groove 21 b; and a cup pad 23 formed at a lower portion of the second receiving portion 22 and supporting the second receiving portion 22.
The first receiving portion 21 includes: an outer body 21a having a substantially trapezoidal cross section; an inner body 21d which is spaced inward from the outer body 21a and forms the recessed accommodation groove 21 b; openings 21c, 21f formed in a shape to be pierced with a predetermined length in the lateral direction at the rear and front of the inner body 21 d; and a plurality of pin support portions 21e protruding inward from the inner body 21 d.
Then, when the storage tank 21b is filled with the sterilizing water after the sterilizing water discharged from the water cock 450 is first stored in the storage tank 21b, the sterilizing water overflows through the opening 21c and is stored in the internal space 22a of the second storage part 22 through the space between the outer body 21a and the inner body 21 d.
In this case, since the water collection stopper 450 is positioned below the opening 21c, when the storage tank 21b is filled with the sterilizing water, the water collection stopper 450 is immersed in the sterilizing water, and thus the inside and the outside of the water collection stopper 450 can be sterilized.
When the sterilization cup 2 is drawn out from the water treatment apparatus 1 in a state where the storage groove 21b is filled with water, the upper portion of the sterilization cup needs to be inclined rearward, and at this time, the water in the storage groove 21b is stored in the second storage part 22 through the opening 21c formed rearward, so that the water can be prevented from overflowing to the outside.
In the present embodiment, the two openings 21c and 21f are formed at the rear and the front of the inner body 21d, but three or more openings may be formed around the entire circumference of the inner body 21d, or only one opening may be formed at the rear of the inner body 21 d. The openings 21c and 21f may be formed in various shapes such as a circular shape, instead of the shape opened in the lateral direction.
The inner body 21d is formed in a shape inclined outward as it goes upward, so that water received in the receiving groove 21b can be smoothly discharged through the opening portions 21c and 21f, and the space between the inner body 21d and the outer body 21a is formed to be narrow at the upper portion and wide at the lower portion, so that the lower injection mold is easily drawn when the first receiving portion 21 is manufactured by injection molding, thereby improving the manufacturing efficiency.
The plurality of the pin support portions 21e are formed to be spaced apart from each other along the periphery of the inner body 21d, and the inner end portion of the pin support portion 21e is formed to be inclined in the outer direction as going upward, similarly to the inner body 21 d. Therefore, the water stopper 450 is guided by the inner end of the stopper support portion 21e and positioned inside the storage groove 21b, and therefore, when the sterilization cup 2 is attached to the water receiving portion 620, the position of the water stopper 450 is easily adjusted. When the water intake plug 450 is positioned inside the storage tank 21b, the side portion of the water intake plug 450 is supported by the plug support portion 21e, and therefore, the sterilization cup 2 can be prevented from rattling.
The second housing portion 22 includes: a main body part 22b having a quadrangular tube shape and forming an internal space 22a for containing sterilizing water; an upper flange portion 22c formed in a band shape along the upper periphery of the main body portion 22b and inserted into the lower end portion 21e of the outer body 21a of the first receiving portion 21; a first coupling portion 22d protruding downward from a lower end of the body portion 22b and having a rectangular cross-section to be coupled to the cup pad 23; a pair of key guide portions 22e projecting rearward from both side edge positions of an upper rear surface of the main body portion 22b and spaced apart from each other; a lower flange portion 22f projecting rearward from the lower end of the main body portion 22 b; a magnet cover portion 22h protruding in a cylindrical shape downward from the lower end of the body portion 22 b; a plurality of hook coupling holes 22g formed to be opened in a lateral direction at one side and the other side of the first coupling portion 22 d.
The lower end 21e of the outer body 21a of the first receiving portion 21 is inserted into the upper flange 22c of the second receiving portion 22, and the water overflowing from the receiving groove 21b can be prevented from leaking between the lower end 21e of the outer body 21a and the upper flange 22c by the above-described configuration.
The lower portion of the hydrant 450 has a water discharge button 460 which is pressed by a cup when a user mounts the cup on the cup mat 620 for discharging cold water or hot water, and when the sterilizing cup is mounted on the cup mat 620 for sterilizing the hydrant 450, if the water discharge button 460 is pressed by the sterilizing cup 2, cold water or hot water can be discharged without performing the hydrant sterilization mode.
Therefore, the lower flange 22f is formed at the lower end of the second receiving part 22, so that the lower flange 22f is brought into contact with the front surface of the water treatment apparatus 1 when the sterilization cup 2 is mounted on the water receiving part 620, thereby forming a space between the rear surface of the body part 22b of the second receiving part 22 and the front surface of the water treatment apparatus 1, and the water outlet button 460 is positioned in the space, thereby preventing the water outlet button 460 from being pressed by the sterilization cup 2.
Further, the opposite inner side surfaces of the double key guide portions 22e are spaced apart from both side surfaces of the water discharge key 460, and the water discharge key 460 is placed between the spaced apart double key guide portions 22e, so that when shaking or impact occurs on the sterilization cup 2, the water discharge key 460 supports the key guide portions 22e to stably support the sterilization cup 2, and thus the right and left positions of the sterilization cup detector 600 and the magnet 24, which will be described later, are aligned, thereby improving the detection performance of the sterilization cup 2.
The lower end of the key guide portion 22e may be extended downward so as to be connected to the lower end flange portion 22f, and in this case, the key guide portion 22e may be stably supported by the water outlet key 460 without being affected by the up-down position of the water outlet key 460.
The cup pad 23 includes: an outer body 23a having a rectangular cross section; a second coupling portion 23b formed in a shape corresponding to the first coupling portion 22d inside the outer body 23a and inserted inside the first coupling portion 22 d; a magnet insertion part 23c for inserting a magnet 24 for identifying the sterilization cup 2 in the water treatment apparatus 1; and a plurality of hook portions 23d protruding in a hook shape on an outer surface of the second coupling portion 23b and coupled to the hook coupling holes 22 g.
In the state where the magnet 24 is inserted into the magnet insertion portion 23c, the magnet cover portion 22h of the second housing portion 22 is inserted into the magnet insertion portion 23c so as to cover the upper portion of the magnet 24, and a packing 25 for maintaining airtightness is interposed between the outer side surface of the magnet cover portion 22h and the inner side surface of the magnet insertion portion 23c, thereby preventing water from penetrating when the sterilization cup 2 is washed.
In the present embodiment, the example in which the seal ring 25 is interposed between the magnet insertion portion 23c and the magnet cover portion 22h is described, but instead of the magnet cover portion 22h and the seal ring 25, the following structure may be adopted: molding (molding) the magnet 24 inserted into the magnet insertion portion 23c to form a lid portion; alternatively, after the upper portion of the magnet 24 is closed by a lid portion made of synthetic resin, the lid portion and the magnet insertion portion 23c are welded together.
The hook portion 23d is inserted into the hook coupling hole 22g of the second receiving portion 22, so that the second receiving portion 22 and the cup pad 23 are integrally coupled.
In the present embodiment, the entire shape of the sterilization cup 2 formed by the first and second receiving parts 21 and 22 and the cup mat 23 is a rectangular tube, but the present invention is not limited thereto, and various shapes such as a cylinder and a polygonal tube may be modified.
Further, although the example in which the hook coupling hole 22g is formed in the second receiving portion 22 and the hook portion 23d is formed in the cup mat 23 has been described above, the hook portion 23d may be formed in the second receiving portion 22 and the hook coupling hole 22g may be formed in the cup mat 23.
In addition, although the second receiving portion 22 and the cup pad 23 are coupled by the hooking manner, there are various modifications that can be made, for example, when the second receiving portion 22 and the cup pad 23 are coupled by a fastening member such as a screw, or when the sterilization cup 2 is cylindrical, the inner surface and the outer surface of the portion where the second receiving portion 22 and the cup pad 23 are coupled are screwed and coupled by a rotation manner.
The water treatment apparatus 1 includes a sterilizing cup detecting unit 600 for detecting the magnetic field of the magnet 24 at a position corresponding to the magnet 24. The sterilization cup detector 600 detects the magnet 24, and when the sterilization cup detector 600 determines that the sterilization cup 2 is mounted on the water receiving unit 600, the sterilization water is discharged through the water cock 450, and the sterilization process of the water cock 450 is performed.
The sterilization cup detector 600 may be a magneto-resistance sensor that detects a change amount of a magnetic field according to movement of the magnet, or a reed switch or a hall sensor that is turned On/Off (On/Off) according to movement of the magnet.
Further, the sterilization cup 2 may not include the magnet 24, but the sterilization cup detection unit 600 may include an optical sensor including a light emitting unit and a light receiving unit, and the method of detecting the presence or absence of the sterilization cup 2 may be various methods other than the above-described method, which is not limited to the specific example.
Further, even if the sterilization detection unit 600 detects the sterilization cup 2, the sterilization mode can be operated only when the user presses or touches the sterilization button formed on the operation panel 610.
As shown in fig. 7, the water intake plug 450 is surrounded by a water intake plug cover 455, and a light emitting unit (not shown) that indicates the progress of sterilization of the water intake plug may be provided inside the water intake plug cover 455.
The light emitting unit may be formed of a plurality of light emitting diodes emitting light of a plurality of colors, and the user may be effectively made aware that a sterilization process is in progress by repeatedly lighting the plurality of light emitting diodes in the course of performing the sterilization of the hydrant. The light emitting unit may also be formed of a single light emitting diode that lights a single color.
In this case, if the sterilization cup 2 is formed of a transparent synthetic resin, light emitted from the light emitting diode can be transmitted through the transparent sterilization cup 2 and refracted, thereby improving the aesthetic effect of the product.
In addition, in each process of sterilizing the water collection stopper, the user may be notified of the progress of the sterilization by a sound, thereby attracting the attention of the user.
Fig. 8 is a combined perspective view and an exploded perspective view illustrating a sterilization cup according to another embodiment of the present invention, fig. 9 is a side sectional view of the sterilization cup of fig. 8, and the sterilization cup according to another embodiment of the present invention will be described with reference to fig. 8 and 9.
The sterilization cup 2-1 according to the present embodiment is composed of only the first receiving portion 21-1 and the second receiving portion 22-1, and is characterized in comparison with the embodiments of fig. 3 to 7 in that: the second receiving portion 22-1 extends downward so as not to have a configuration corresponding to the cup pad 23.
The configurations of the outer body 21-1a, the receiving groove 21-1b, the opening portions 21-1c, 21-1f, the inner body 21-1d, the lower end portion 21-1e of the outer body 21-1a, the upper end flange portion 22-1c, the key guide portion 22-1e, and the lower end flange portion 22-1f of the first receiving portion 21-1 are the same as those of the first receiving portion 21 and the second receiving portion 22 according to the embodiment of fig. 3 to 7, and thus detailed descriptions thereof are omitted.
The bottom surface of the main body 22-1b of the second housing portion 22-1 is attached to the upper portion of the water receiving portion 620, and a magnet insertion portion 22-1h in the form of a groove is formed in the bottom surface of the main body 22-1b so as to face upward.
A magnet 24-1 for detecting a change in magnetic field by a sterilization cup detecting part of the water treatment apparatus 1 is inserted into the magnet insertion part 22-1h, and a lid part 26-1 for preventing the magnet 24-1 from being detached from the magnet insertion part 22-1h is provided.
The lid portion 26-1 is press-fitted into the magnet insertion portion 22-1h, may be formed of a sealing member made of a rubber material in order to prevent water from penetrating therethrough, and may be molded with a resin in a state where the magnet 24-1 is inserted into the magnet insertion portion 22-1h, thereby sealing the magnet insertion portion 22-1 h.
Fig. 10 is a diagram showing a sterilization cycle process in a water treatment apparatus according to a first embodiment of the present invention, fig. 11 is a diagram showing a sterilization drain process in a water treatment apparatus according to a first embodiment of the present invention, fig. 12 is a diagram showing a rinse water inflow process in a water treatment apparatus according to a first embodiment of the present invention, fig. 13 is a diagram showing a process of performing water extraction plug sterilization in a water treatment apparatus according to a first embodiment of the present invention, fig. 14 is an operation state diagram showing a process of containing sterilized water in a sterilizing cup of the present invention, fig. 15 is a flowchart showing a sterilization cycle process in a water treatment apparatus according to a first embodiment of the present invention, and fig. 16 is a flowchart showing a process of performing plug sterilization in a water purification mode in a water treatment apparatus according to a first embodiment of the present invention.
The sterilization cycle mode of the present invention is performed by the order of sterilization cycle-discharging sterilization water-flowing rinsing water-discharging rinsing water-flowing washing water, and the sterilization mode of the hydrant may be performed during the progress of the sterilization cycle mode according to the user's hydrant sterilization request signal or may be performed independently of the sterilization cycle mode, and the sterilization cycle mode and the hydrant sterilization mode in the water treatment apparatus according to the first embodiment of the present invention will be described below with reference to fig. 10 to 16.
Since the process of containing the sterilizing water in the sterilizing cups 2 and 2-1 of the two embodiments is the same, only the sterilizing cup 2 of the embodiment shown in fig. 3 to 7 will be described.
Hereinafter, the Off refers to a state in which the valves 150, 340, 350, 410, 420 are closed or a state in which the sterilizing module 300 and the circulation pump 310 are not activated, and the On refers to a state in which the valves 150, 340, 350, 410, 420 are opened or a state in which the sterilizing module 300 and the circulation pump 310 are activated. Further, the first path circulation valve 330 is opened (On) when the path connected from the cold water intake path 532 to the direction of the second connection path 512 is in the open state and closed (Off) when in the closed state, and the second path switching valve 320 is opened (On) when the path connected from the circulation path 521c to the direction of the drain path 541 is in the open state and closed (Off) when in the closed state.
When the sterilization cycle mode is started, the water level sensor 215 detects whether the water level of the first storage tank 210 reaches the full water level (S1100).
If the water level detection result is not the full water level, the raw water valve 150 is opened (On), and the purified water filtered in the filter unit 100 is supplied to the first storage tank 210(S1110), and if the full water level of the first storage tank 210 is not detected even if the water cut-off occurs and the set time is exceeded (S1120), the operation of the sterilization cycle mode is stopped, and a warning sound and a warning message are output to the user (S1130) to attract the user' S attention, and such a process is hereinafter referred to as a "full water level error notification mode".
If the pure water is introduced before the set time elapses and the full water level of the first storage tank 210 is detected, the sterilizing water generating and circulating process is performed (S1200).
Since scale may be generated on the inner wall of the first storage tank 210 touched by the water level corresponding to the full water level of the first storage tank 210, the sterilization cycle is performed in the state where the water level of the first storage tank 210 is the full water level, as described above, so that the entire inner wall of the first storage tank 210 touched by the water level may be sterilized.
If the full water level of the first storage tank 210 is detected, as shown in fig. 10, the raw water valve 150, the cold water intake valve 410, the hot water intake valve 420, the second passage switching valve 320, and the third passage switching valve 360 are in a closed (Off) state, and the first connection line cut-Off valve 350, the first passage switching valve 330, and the circulation line cut-Off valve 340 are in an open (On) state, in which case the circulation pump 310 and the sterilization module 300 are activated to circulate the water of the first storage tank 210 and the second storage tank 220 through the first connection line 511, the second connection line 512, and the circulation lines 521a, 521b, 521c, and 521d and generate the sterilization water (S1200).
The water flowing through the circulation lines 521a, 521b, 521c, 521d is electrolyzed in the sterilization module 300, thereby generating hypochlorous acid (HClO), hypochlorite ions (OCl-), chlorine (Cl-)2) The sterilizing material flows into the first storage tank 210, and the sterilizing water flowing into the upper space 210a of the first storage tank 210 flows into the lower portion of the second storage tank 220 through the connection passage 214 and the first connection line 511, and the sterilizing water flowing into the lower space 210b communicating with the upper space 210a of the first storage tank 210 flows into the upper portion of the second storage tank 220 through the cold water intake line 532, the second connection line 512, and the hot water intake line 533, and then is repeatedly circulated through the circulation lines 521a, 521b, 521c, and 521 d.
When the sterilization cycle is performed, the cold water in the lower space 210b of the first storage tank 210 flows into the second storage tank 220 through the second connection line 512 to be mixed with the hot water, and the purified water in the upper space 210a of the first storage tank 210 flows into the lower space of the second storage tank 220 through the first connection line 511 to be mixed with the hot water.
Since the water thus mixed and cooled in the second reserve tank 220 is discharged to the circulation line 521a side, the heat resistance of the internal material of the circulation lines 521a, 521b, 521c, 521d and the circulation pump 310 is required to be lower than that in the case where the hot water stored in the second reserve tank 220 directly flows into the circulation line 521a, and the material cost can be reduced.
In the above description, the first connection line cut-Off valve 350 and the first channel switching valve 330 are continuously maintained in the open (On) state while the sterilization cycle is being performed, but if controlled to be alternately opened (On) and closed (Off) for a set time, the temperature of the water in the second storage tank 220 can be effectively lowered, and the water in the first storage tank 210 and the second storage tank 220 can be uniformly circulated, thereby making the concentration of the sterilization water uniform.
Further, the sterilizing water generated by the sterilizing module 300 flows into the lower space 210b of the first storage tank 210 during circulation, and simultaneously fills the first storage tank 210 and the second storage tank 220 by flowing into the second storage tank 220 through the cold water intake line 532, the second connection line 512, and the hot water intake line 533, so that the time difference between the sterilizing effects of the first storage tank 210 and the second storage tank 220 is reduced compared to the case where one of the first storage tank and the second storage tank is filled first, and the sterilization can be performed uniformly.
Also, it is possible to generate sterilizing water using the water stored in the first and second storage tanks 210 and 220 without discharging the water stored in the first and second storage tanks 210 and 220, so it is possible to prevent water from being wasted and to reduce time required for sterilization.
In addition, the cold water intake path 532 and the hot water intake path 533 can sterilize the tips of the cold water intake valve 410 and the hot water intake valve 420 by allowing the sterilization water to pass through the insides thereof in the sterilization mode, and thus a Dead zone (Dead zone) where sterilization is not performed can be minimized.
The circulation process may be performed for a predetermined time, and the circulation pump 310 and the circulation module 300 may be constantly operated during the circulation process, and may be stopped after a predetermined time of operation to wait for a predetermined time, thereby sterilizing the interiors of the first storage tank 210 and the second storage tank 220.
After the sterilization is performed through the above-described process, the sterilizing water in the first storage tank 210 and the second storage tank 220 is discharged, and as shown in fig. 11, the raw water valve 150, the cold water intake valve 410, the hot water intake valve 420, the third passage switching valve 360, and the sterilization module 300 are closed (Off), and the first passage switching valve 330, the first connection line cut-Off valve 350, the circulation line cut-Off valve 340, and the second passage switching valve 320 are opened (On), in which case the circulation pump 310 is activated to discharge the sterilizing water in the first storage tank 210 and the second storage tank 220 to the outside through the drainage line 541 (S1300).
After the completion of the above-described drainage of the sterilizing water, in order to wash the sterilizing water remaining in the first storage tank 210 and the second storage tank 220, a rinsing process is performed, as shown in fig. 12, in which the cold water intake valve 410, the hot water intake valve 420, the sterilizing module 300, the circulation pump 310, and the second passage switching valve 320 are closed (Off), the raw water valve 150, the first passage switching valve 330, the circulation line cut-Off valve 340, and the first connection line cut-Off valve 350 are opened (On), so that the raw water is filtered by the filter unit 100, the thus-filtered water (hereinafter, referred to as "rinse water") flows into the first storage tank 210 through the purified water supply line 501, and the rinse water flowing into the first storage tank 210 flows into the second storage tank 220 and the circulation lines 521a, 521b, 521c, 521d through the first connection line 511 and the second connection line 512, thereby performing rinsing.
At this time, the water level sensor 215 determines whether the water level of the first storage tank 210 is the full water level (S1500), and if the detection result is not the full water level, the full water level error mode is operated (S1510, S1520, S1530).
If the full water level of the first storage tank 210 is detected, a predetermined time is waited so that rinsing is sufficiently performed, and the rinsing water is also circulated through the path shown in fig. 10 or the above-described rinsing process is repeated as in the circulation of the sterilizing water, thereby improving the rinsing effect.
If the rinsing process is completed, the rinsing water is drained, and the draining of the rinsing water is performed through the same process as the draining of the sterilizing water as shown in fig. 11 (S1600).
If the drainage of the rinse water is completed, the inflow of clean water is performed through the same process as the inflow of the rinse water (S1700), and it is detected whether the water level of the first storage tank 210 is the full water level by the water level sensor 215 (S1800), and the detection result is an error mode of the full water level if not (S1810, S1820, S1830), and the sterilization mode is ended if the full water level is detected.
Since the circulation lines 521a, 521b, 521c, and 521d do not require inflow of purified water, the circulation line cut valve 340 in fig. 12 can be closed (Off).
In the present invention, the circulation pump 310 can be used to discharge water without being limited to the circulation of the sterilizing water, even when the sterilizing water and the rinsing water are discharged, so that the sterilizing water and the rinsing water can be discharged more smoothly, thereby shortening the time required for discharging water, and the circulation pump 310 can be used to perform both the circulation and the drainage functions, thereby reducing the cost and improving the space utilization rate of the water treatment apparatus.
The sterilization cycle module as described above may be set to automatically repeat at a predetermined cycle, or may perform an operation according to a user's selection.
When the control unit (not shown) receives a water intake plug sterilization request signal from the user, it performs a water intake plug sterilization mode. In this case, the water intake hydrant sterilization request signal may be a signal transmitted by the sterilization cup detection unit 600 detecting the sterilization cup when the user mounts the sterilization cup 2 on the water receiving unit 620, a signal transmitted by the user pressing the water intake hydrant sterilization button of the operation panel 610 formed on the front surface of the water pressure treatment apparatus 1, or a water intake hydrant sterilization mode may be performed on the condition that both of the signals are transmitted.
If the sterilizing cup 2 is detected by the sterilizing cup detecting part 600 (S2100), the water level sensor 215 detects whether the water level of the first storage tank 210 is the full water level (S2200), and performs a full water level error mode if the water level of the first storage tank 210 is not the full water level (S2210, S2220, S2230).
In the present embodiment, the water tap is sterilized when the water level of the first storage tank 210 is at the full water level, but the water tap may be sterilized when the water level of the first storage tank 210 is not at the full water level.
If the full water level of the first storage tank 210 is detected, as shown in fig. 13, the hot water valve 150, the cold water intake valve 410, the hot water intake valve 420, the first passage switching valve 330, and the second passage switching valve 320 are turned Off (Off) and the first connection line cut-Off valve 350, the circulation line cut-Off valve 340, and the third passage switching valve 360 are turned On (On), in which case the sterilization module 300 is activated.
The water in the upper space 210a of the first storage tank 210 flows into the second storage tank 220 through the connection passage 214 and the first connection line 511, is mixed with the hot water in the second storage tank 220, is supplied to the sterilization module 300 through the circulation lines 521a and 521b, and is discharged to the water intake plug 450 through the circulation line 521c and the water intake plug line 531, thereby performing sterilization treatment of the inside of the water intake plug 450 (S2300).
At this time, if the first storage tank 210 and the second storage tank 220 are respectively positioned at the upper and lower portions and the upper ends of the water intake cock line 531 and the circulation line 521c are positioned below the full water level of the first storage tank 210, the water in the first storage tank 210 and the second storage tank 220 is supplied to the sterilization module 300 through the circulation lines 521a and 521b due to the head difference even if the circulation pump 310 is not turned On (On), and the sterilization water generated in the sterilization module 300 can be discharged to the water intake cock 450 through the circulation line 521c and the water intake cock line 531.
As described above, the circulation pump 310 is turned Off (Off), so that the flow rate of the water supplied to the sterilization module 300 can be reduced, the concentration of the sterilizing material in the sterilizing water generated in the sterilization module 300 can be increased, and the sterilizing effect of the hydrant 450 can be improved.
The circulation pump 310 is turned Off (Off) in the above, but the circulation pump 310 may be repeatedly turned On (On) and Off (Off) for a set time in consideration of the flow rate of the sterilizing water supplied to the hydrant 450.
As shown in fig. 14 (a), the sterilizing water discharged from the water collecting cock 450 is received in the receiving groove 21b of the first receiving portion 21 of the sterilizing cup 2, and when the water collecting cock 450 continues to discharge the sterilizing water to fill the opening 21c, the sterilizing water overflows through the opening 21c and is received in the internal space 22a of the second receiving portion 22.
At this time, the lower portion of the water intake cock 450 is immersed in the sterilizing water, and the inside or outside of the water intake cock 450 is sterilized.
If the storage tub 21b is filled with the sterilizing water, the first connection line cut-Off valve 350, the circulation line cut-Off valve 340, the third passage switching valve 360 and the sterilizing module 300 are closed (Off), and then a set time is waited for to sufficiently perform the sterilization of the water-fetching bolt 450.
In addition, if the sterilizing cup detecting unit 600 detects the detachment of the sterilizing cup 2 during the sterilization of the hydrant (S2400), the sterilization operation is temporarily stopped and a warning sound and a warning message are output to attract the attention of the user (S2410), and it is determined whether the sterilizing cup detecting unit 600 detects the sterilizing cup within the set time (S2420), and the process is hereinafter referred to as a "sterilizing cup error notification mode".
If the sterilizing cup 2 is not detected after the set time has elapsed, the rinsing water for rinsing the sterilizing water remaining in the circulation route 521c and the water intake faucet route 531 and the rinsing water remaining on the inner wall surface of the circulation route 521c and the water intake faucet route 531 is discharged to the water receiving unit 620 by the water intake cock 450 (S2430), and if the sterilizing cup 2 is detected again within the set time, the sterilizing water is discharged to the sterilizing cup 2 by the water intake cock 450.
When the sterilization of the hydrant 450 is completed through the above-described process, the hydrant rinsing process is performed, and after waiting for the set time, if the first connection line cut valve 350, the circulation line cut valve 340, and the third channel switching valve 360 are opened (On), water in the first storage tank 210 (hereinafter, referred to as "rinse water") flows along the same path (i.e., arrow path in fig. 13) as when the sterilization water is generated, and then, as shown in fig. 14 (b), the water is discharged to the storage tank 21b of the first storage part 21 of the sterilization cup 2 through the hydrant 450, so that the inside of the hydrant 450 is rinsed, and if the storage tank 21b is filled with the rinse water, the hydrant 450 is soaked, so that the outside of the hydrant 450 can be rinsed.
The rinsing water overflowing from the storage tank 21b through the opening 21c is stored in the internal space 22a of the second storage part 22, and the rinsing process of the water stopper is terminated (S2600).
If the sterilization cup detector 600 detects the detachment of the sterilization cup 2 during the rinsing of the hydrant (S2700), the sterilization cup error mode is entered, the rinsing operation is temporarily stopped, and a warning lamp and a warning message are output to attract the attention of the user (S2710), and if the sterilization cup 2 is not detected within the set time, the rinsing water is discharged to the water receiving unit 620(S2730 ), and if the sterilization cup 2 is detected within the set time, the rinsing water is discharged to the sterilization cup by the hydrant 450, thereby finishing the rinsing process of the hydrant 450.
In the sterilization and rinsing of the water intake stopper 450 as described above, the plurality of light emitting diodes provided inside the water intake stopper cover 455 are repeatedly turned on in sequence, and emit light of different colors or a single light emitting diode is repeatedly turned on to emit light of a single color, so that the user can recognize that the water intake stopper is sterilized.
In the case of sterilizing the hydrant as described above, the sterilized water can be generated from the purified water stored in the first and second storage tanks 210 and 220 without discharging the water from the first and second storage tanks 210 and 220, and the hydrant 450 can be sterilized.
Fig. 17 is a flowchart showing a procedure of sterilizing the hydrant in the sterilization cycle mode, and the following describes a procedure of sterilizing the hydrant by receiving a water hydrant sterilization request signal from a user in the sterilization cycle mode, with reference to fig. 17.
First, if the sterilization circulation mode is started, the water level sensor 215 detects whether the water level of the first storage tank 210 is the full water level (S3100), and performs the full water level error mode if not (S3110, S3120, S3130), and if the full water level of the first storage tank 210 is detected, circulates the sterilizing water generated in the sterilizing module 300 in the circulation passage through the same process as that shown in fig. 10 and performs the sterilizing process (S3200).
In the sterilization cycle as described above, if the sterilization cup 2 is detected (S3300), after the sterilization process of the first storage tank 210, the second storage tank 220, and the circulation passage is completed, the sterilization water stored in the first storage tank 210 and the second storage tank 220 is electrolyzed again in the sterilization module 300, and then discharged to the water intake cock 450 along the path shown in fig. 13, thereby performing sterilization of the water intake cock (S3310), and if the sterilization cup 2 is not detected, the sterilization cycle as shown in fig. 15 is sequentially performed (S1300, S1400, S1500, S1600, S1700, S1800).
Further, if the detachment of the sterilizing cup 2 is detected by the sterilizing cup detecting part 600 during the sterilization of the water collecting stopper (S3320), the sterilizing cup error notification mode is performed (S3330, S3340).
When the sterilization of the hydrant is completed, the sterilizing water discharging process is performed, and the sterilizing water inside the first storage tank 210 and the second storage tank 220 is discharged to the outside through the water discharge line 541 through the same process as shown in fig. 11 (S3400).
If the above-described drainage of the sterilizing water is completed, the rinsing process is performed, and the rinsing water is flowed into the first storage tank 210, the second storage tank 220, and the circulation lines 521a, 521b, 521c, and 521d through the same process as that shown in fig. 12 to perform the rinsing (S3500).
At this time, water level sensor 215 detects whether or not the water level of first storage tank 210 is at the full water level, and if the detection result is not at the full water level, performs the full water level error notification mode (S3610, S3620, S3630).
When the full water level of the first storage tank 210 is detected and the rinsing process is completed, the rinsing water is drained and the hydrant is rinsed, and the rinsing water is discharged to the outside through the path shown in fig. 11, and the rinsing water is discharged through the hydrant 450 through the path shown in fig. 13 while the hydrant is being rinsed (S3700).
When the discharge of the rinse water and the rinsing of the water intake plug are completed, the inflow of clean water is performed in the same process as the inflow of the rinse water (S3800), the water level sensor 215 detects whether the water level of the first storage tank 210 is the full water level (S3900), and if the detection result is not the full water level, the full water level error mode is performed (S3910, S3920, S3930), and the sterilization mode is terminated if the full water level is detected.
Since the sterilization of the hydrant 450 is performed by using the sterilization water stored in the first and second storage tanks 210 and 220 in the above sterilization circulation mode, not only waste of water can be reduced, but also time required for sterilization of the hydrant can be shortened. The sterilizing water stored in the first and second storage tanks 210 and 220 is electrolyzed again in the sterilizing module 300 to increase the sterilizing concentration and then discharged to the water intake cock 450, thereby improving the sterilizing efficiency of the water intake cock 450.
In the present embodiment, when a water intake cock sterilization request signal from a user is received during the sterilization circulation mode, water in the first storage tank 210 and the second storage tank 220 is supplied to the circulation lines 521a, 521b, 521c, and 521d, and sterilized water is generated in the sterilization module 300 and then discharged to the water intake cock 450 through the water intake cock line 531. However, when the concentration of the sterilizing water in the first storage tank 210 and the second storage tank 220 generated in the sterilization circulation mode is suitable for sterilization of the hydrant, the cold water intake valve 410 is opened (On) so that the sterilizing water in the lower space 210b of the first storage tank 210 is directly discharged to the hydrant 450 through the cold water intake line 532 and the cold water intake valve 410 without passing through the circulation lines 521a, 521b, 521c, and 521 d. At this time, the rinsing water is also discharged to the water intake cock 450 through the same route as the sterilizing water, thereby performing the rinsing process.
If the user requests the sterilization cycle mode and the hydrant sterilization mode at the same time, the sterilization cycle may be performed first by the above-described method, and then the hydrant 450 may be sterilized. The sterilization of the hydrant 450 may be performed during the sterilization cycle by switching the opening and closing directions of the third passage switching valve 360, and the rinsing of the hydrant 450 may be performed during the rinsing of the first and second storage tanks 210 and 220 and the circulation passage by the above-described method.
Fig. 18 is a diagram showing an internal configuration of a water treatment apparatus according to a second embodiment of the present invention.
All the configurations of the present embodiment are the same as those of the first embodiment except that: a purified water intake line 534 having one side connected to the purified water supply line 504 through a connection port 506; and a purified water intake valve 430 provided on the purified water intake line 534 and controlling purified water supplied to a user.
In the case where purified water is supplied to the first storage tank 210, the purified water filtered by the filter unit 100 is supplied to the user through the purified water supply line 504, the connection port 506, and the purified water intake line 534 when the user requests the purified water to be discharged from the first storage tank 210 through the purified water supply line 504 and the connection port 506.
In this embodiment, the sterilization cycle and the process of sterilizing the water collection stopper are the same as those described in the first embodiment.
Fig. 19 is a diagram showing an internal configuration of a water treatment apparatus according to a third embodiment of the present invention.
All the constitution of this embodiment is the same as that of the first embodiment except that two water taps 450-1 and 450-2 and water tap routes 531-1 and 531-2 are provided.
The water-fetching embolus 450-1 and 450-2 comprise: a cold water tap 450-1 (first tap) for supplying cold water of the lower space 210b of the first storage tank 210 to a user; a hot water hydrant 450-2 (second hydrant) for supplying the hot water of the second storage tank 220 to a user.
The water intake hydrant routes 531-1 and 531-2 comprise: a first water tap route 531-1 connecting between the cold water tap 450-1 and the third channel switching valve 360; and a second water intake cock line 531-2 connected between the hot water intake cock 450-2 and the third channel switching valve 360.
In the sterilization mode of the hydrant, the sterilization water generated from the sterilization module 300 passes through the circulation route 521c and the third path switching valve 360, and is discharged to the cold water hydrant 450-1 and the hot water hydrant 450-2 through the first and second hydrant routes 531-1 and 531-2, thereby sterilizing the hydrant 450-1 and 450-2.
As described above, in this embodiment, the procedure of the sterilization cycle, the sterilization process of the water intake faucet, and the sterilization of the water intake faucet in the sterilization cycle are the same as those described in the first embodiment, except that the sterilization of the water intake faucet is performed through the two water intake faucet routes 531-1 and 531-2 and the water intake faucets 450-1 and 450-2 at the time of the sterilization of the water intake faucet.
Fig. 20 is a view showing an internal configuration and a sterilization cycle process of a water treatment apparatus according to a fourth embodiment of the present invention, fig. 21 is a view showing a process of performing water discharge in the water treatment apparatus according to the fourth embodiment of the present invention, and fig. 22 is a view showing a process of performing water-fetching plug sterilization in the water treatment apparatus according to the fourth embodiment of the present invention.
All the constitutions of the present embodiment are the same as those of the first embodiment except that: has a purified water intake route 534 and a purified water intake valve 430 described in the second embodiment; a fourth channel switching valve 440 is provided between the water intake cock 450 and the water intake valves 410, 420, and 430; and the water of the first storage tank 210 and the water of the second storage tank 220 at the time of the sterilization cycle are supplied to the second connection line 512-1 through the fourth channel switching valve 440.
The fourth channel switching valve 440 is closed when: a case where water supplied from the lower space 210b of the first storage tank 210 and the second storage tank 220 is supplied to a user through the hydrant 450; the case where the sterilizing water is discharged through the water-fetching cock 450; when the water in the first storage tank 210 and the water in the second storage tank 20 are drained, the opening and closing directions are set so that the intake valves 410, 420, and 430 and the intake cock 450 communicate with each other. And is opened (On) at the time of the sterilization cycle, thereby setting the opening and closing directions to communicate between the water intake valves 410, 420, 430 and the second communication line 512-1.
In this case, the fourth channel switching valve 440 closes one of the channel directions of both sides and opens the other channel direction, or may open or close the direction of the other channel in a state where one channel direction is kept open.
In the fourth embodiment, as shown in fig. 20, the sterilization cycle is performed by closing (Off) the raw water valve 150, the purified water intake valve 430, the circulation line cut-Off valve 340, the second channel switching valve 320, and the third channel switching valve 360, and opening (On) the sterilization module 300, the cold water intake valve 410, the hot water intake valve 420, the first connection line cut-Off valve 350, and the fourth channel switching valve 440, in which case, when the circulation pump 310 is activated, the cold water in the lower space 210a of the first storage tank 210 is supplied to the second connection line 512-1 through the cold water intake line 532, the cold water intake valve 410, and the fourth channel switching valve 440, and the purified water in the upper space 210a of the first storage tank 210 flows into the lower portion of the second storage tank 220 through the first connection line 511 and is mixed with the hot water in the second storage tank 220, and is supplied to the second connection line 512-1 through the hot water intake line 533, the hot water intake valve 420, and the, thereby mixing with the cold water supplied from the lower space 210b of the first storage tank 210 and circulating through the second connection line 512-1 and the circulation lines 521a, 521b, 521c, 521d in this state.
After the sterilization is performed through the above-described processes, the sterilizing water in the first and second storage tanks 210 and 220 is discharged, and as shown in fig. 21, the raw water valve 150, the purified water intake valve 430, the third passage switching valve 360, the fourth passage switching valve 440, and the sterilizing module 300 are closed (Off), and the cold water intake valve 410, the hot water intake valve 420, the first connection line cut-Off valve 350, the circulation line cut-Off valve 340, and the second passage switching valve 320 are opened (On), and in this case, the circulating pump 310 is activated, so that the sterilizing water in the first and second storage tanks 210 and 220 is discharged to the outside through the circulation line 521a and the drain 541 line.
When the sterilizing water is completely discharged, the rinse water filtered in the filter unit 100 flows into the first storage tank 210 through the purified water supply line 504, the rinse water in the first storage tank 210 flows into the lower and upper portions of the second storage tank 220 through the first connection line 511, the cold water intake line 532, and the hot water intake line 533, and the rinse water in the lower space 210b of the first storage tank 210 flows into the circulation line 521a through the cold water intake line 532, the fourth passage switching valve 440, and the second connection line 512-1, thereby performing rinsing.
When the rinsing process is completed, the rinsing water is discharged through the same process as that shown in fig. 21, and the rinsing water is discharged, the purified water filtered in the filter part 100 flows into the first storage tank 210 through the purified water supply line 504, and the purified water of the first storage tank 210 flows into the upper and lower portions of the second storage tank 220 through the first connection line 511, the cold water intake line 532, and the hot water intake line 533, thereby terminating the sterilization cycle process.
In addition, when the water intake cock 450 is sterilized, as shown in fig. 22, the raw water valve 150, the purified water intake valve 430, the cold water intake valve 410, the hot water intake valve 420, the second passage switching valve 320, the fourth passage switching valve 440, and the circulation pump 310 are closed (Off), and the first connection line cut-Off valve 350, the circulation line cut-Off valve 340, the third passage switching valve 360, and the sterilization module 300 are opened (On), so that the water in the first storage tank 210 and the second storage tank 220 is supplied to the sterilization module 300, and the sterilized water is generated and then discharged to the water intake cock 450 through the water intake cock line 531, thereby sterilizing the water intake cock 450.
When the sterilization of the water intake hydrant 450 is completed, the water in the first storage tank 210 and the second storage tank 220 is supplied to the water intake hydrant route 531 and the water intake hydrant 450 along the same route as shown in fig. 22, and the rinsing process is performed.
The sterilizing water generated by the sterilizing module 300 as described above is discharged through the hydrant 450, so that the hydrant 450 can be sterilized, and clean water can be supplied to a user to improve reliability of a product.
As described above, the present invention is not limited to the above-described embodiments, and a person having basic knowledge in the related art of the present invention can perform various modified implementations without departing from the technical idea of the claims of the present invention, and such modified implementations are within the scope of the present invention.

Claims (28)

1. A water treatment system comprising:
a first storage tank and a second storage tank which store the water filtered by the filtering part at different temperatures, respectively;
a circulation passage establishing connection for circulating water of the first and second storage tanks;
a sterilizing module formed on the circulation channel and generating sterilizing water;
a water intake cock route branching off on the circulation channel and connected to a water intake cock;
a control part which controls the sterilization module to generate the sterilization water by using the water circulating in the circulation channel and controls the generated sterilization water to circulate through the circulation channel or to be supplied to the hydrant through the hydrant route,
the circulation path includes: a first connection route connecting an upper space of the first storage box and a lower portion of the second storage box; a second connection line establishing connection for mixing the water of the lower space of the first storage tank and the water of the second storage tank; a circulation line connected to allow water discharged from the second storage tank to flow into an upper space of the first storage tank,
the water of the first storage tank and the second storage tank is provided to the sterilization module, so that the sterilization water is generated and then discharged to the hydrant through the hydrant taking line, thereby performing sterilization of the hydrant,
the first and second storage tanks are respectively positioned at the upper and lower portions, and the height of the upper ends of the water intake cock line and the circulation passage is lower than the height of the full water level of the first storage tank, so that the sterilizing water passes through the circulation passage and the water intake cock line due to a head difference and is discharged from the water intake cock.
2. The water treatment system of claim 1, wherein the circulation channel comprises:
and a circulation pump provided on the circulation passage and circulating the water discharged from the first and second storage tanks through the circulation passage.
3. The water treatment system of claim 1, wherein there is a cold water intake line connecting between the lower space and the cold water intake valve, and a hot water intake line connecting between the second storage tank and the hot water intake valve, and the second connection line is configured to connect between the cold water intake line and the hot water intake line.
4. The water treatment system as claimed in claim 1, wherein a first connection line cut valve and a channel switching valve which are alternately opened/closed when a sterilization cycle is performed are provided on the first connection line and the second connection line.
5. The water treatment system as recited in claim 4 wherein said passage switching valve connects between said lower space and said second storage tank when the sterilization cycle is in progress.
6. The water treatment system of claim 1 wherein there is a circulation line shut-off valve on the circulation line that is open when operating in the germicidal mode.
7. The water treatment system as recited in claim 4, wherein the water of said lower space and said second storage tank is supplied to the user through at least two water take-off valves and a water take-off cock, said passage switching valve being provided between said water take-off cock and said water take-off valve for supplying the water supplied from said lower space and said second storage tank to a direction in which one of said second connection line and said water take-off cock is located.
8. The water treatment system according to claim 7, wherein the second connection line connects between the channel switching valve and the circulation line.
9. The water treatment system as claimed in claim 1, wherein a third passage switching valve for switching a flow direction of the sterilizing water is provided at a branch point of the hydrant route and the circulation route.
10. The water treatment system of claim 1,
the water intake plug is composed of a first water intake plug for discharging water of the first storage tank and a second water intake plug for discharging water of the second storage tank,
the water intake hydrant route is constituted by a first water intake hydrant route connected to the first water intake hydrant and a second water intake hydrant route connected to the second water intake hydrant.
11. The water treatment system as claimed in claim 1, wherein a drain route for discharging the water of the first and second storage tanks to the outside is branched at the circulation passage, and a second passage switching valve for switching a flow direction of the water flowing through the circulation passage is provided at the branched point.
12. The water treatment system as claimed in claim 11, wherein a circulation pump provided on said circulation passage is provided between said second storage tank and said second passage switching valve and is adapted to be activated in case of circulating the sterilizing water and in case of discharging the water.
13. The water treatment system of claim 1 wherein the sterilizing water is discharged through the hydrant when a sterilizing cup located at a lower portion of the hydrant is detected.
14. A method of sterilizing a water treatment system comprising the steps of:
a) the filtered water in the filtering part is stored in the first storage tank and the second storage tank at different temperatures;
b) a sterilizing module for generating sterilizing water using water circulating through a circulation passage provided on the circulation passage, the circulation passage being connected to circulate the water in the first and second storage tanks;
c) discharging the generated sterilizing water from a hydrant through a hydrant route diverged on the circulation passage;
d) supplying rinsing water to the water-fetching plug to perform rinsing,
the circulation path includes: a first connection route connecting an upper space of the first storage box and a lower portion of the second storage box; a second connection line connecting a lower space of the first storage tank and the second storage tank; a circulation line connected to the upper space of the first storage tank so that water discharged from the second storage tank flows into the upper space of the first storage tank,
the water of the first storage tank and the second storage tank is provided to the sterilization module, so that the sterilization water is generated and then discharged to the hydrant through the hydrant taking line, thereby performing sterilization of the hydrant,
the first and second storage tanks are respectively positioned at the upper and lower portions, and the height of the upper ends of the water intake cock line and the circulation passage is lower than the height of the full water level of the first storage tank, so that the sterilizing water passes through the circulation passage and the water intake cock line due to a head difference and is discharged from the water intake cock.
15. The method of sterilizing a water treatment system as defined in claim 14, wherein said step b) comprises the steps of:
b-1) mixing the water of the first and second storage tanks and generating sterilizing water in the sterilizing module using the mixed water;
b-2) starting a circulation pump equipped on the circulation passage to circulate the generated sterilizing water in the first storage tank, the second storage tank, and the circulation passage connecting the first storage tank and the second storage tank, thereby performing sterilization.
16. The method of sterilizing a water treatment system as defined in claim 15,
the sterilizing water generated in the step b-1) is stored in the first storage tank and the second storage tank,
and c) discharging the sterilizing water stored in the first storage tank and the second storage tank from the water intake hydrant through the circulation passage and the water intake hydrant route according to the water intake hydrant sterilizing signal of the control part.
17. The method for sterilizing a water treatment system according to claim 16, wherein in the step c), the circulation pump is turned off or repeatedly turned on/off in case the sterilizing water is discharged through the hydrant.
18. The method of sterilizing a water treatment system as defined in claim 15,
comprising: a drain line branching off on the circulation passage; a second passage switching valve for switching a flow direction of the sterilizing water at the branch point,
after said step c), performing the steps of: the flow direction of the second passage switching valve is switched toward the side of the drain route, and the sterilizing water in the first and second storage tanks is discharged through the drain route.
19. The method of sterilizing a water treatment system as defined in claim 15,
a cold water intake route connecting the first storage tank and the cold water intake valve,
in the step c), the sterilizing water stored in the first storage tank is discharged from the water intake faucet through the cold water intake route in response to a water intake faucet sterilizing signal from a control unit.
20. The method for sterilizing a water treatment system according to claim 14, wherein in the step b), the filtered water stored in the first storage tank and the second storage tank is supplied to the sterilizing module according to a water intake hydrant sterilization signal from the controller, so that the sterilized water is generated.
21. The method of sterilizing a water treatment system as defined in claim 14,
a first connection line cut-off valve and a channel switching valve are formed on the first connection line and the second connection line, respectively,
in the sterilization mode, the first connection line cutoff valve and the channel switching valve are repeatedly alternately opened/closed.
22. The method of sterilizing a water treatment system as defined in claim 14,
if the full water level is detected by the water level sensor provided in the first storage tank in the step a), the steps after the step b) are performed.
23. The method of sterilizing a water treatment system as defined in claim 14,
stopping the steps after the step b) and outputting a warning to a user when the water level sensor provided in the first storage tank in the step a) does not detect the full water level within a set time.
24. The method of sterilizing a water treatment system as defined in claim 14,
the step c) is executed when the sterilization cup detector detects the sterilization cup positioned at the lower part of the water fetching bolt.
25. The method of sterilizing a water treatment system as defined in claim 24,
in the course of performing the step c), in case that the detachment of the sterilizing cup is detected, the sterilizing water discharging operation is stopped and a warning is output to a user.
26. The method of sterilizing a water treatment system as defined in claim 25,
and in the stopping process of the sterilizing water discharging operation, if the sterilizing cup is not detected within the set time, sequentially discharging the sterilizing water and the rinsing water through the water taking plug.
27. The method of sterilizing a water treatment system as defined in claim 14,
the sterilizing water generated in the step b) is stored in the first storage tank and the second storage tank,
the sterilizing water in the first storage tank and the second storage tank is discharged to the outside through a water discharge route while the sterilizing water is discharged through the water-taking cock in the c) step,
the rinsing of the water intake plug in the step d) is performed by means of the rinsing water filtered in the filtering part and stored in the first and second storage tanks,
after the step d), the rinsing water in the first and second storage tanks is discharged to the outside through the drain line, and then the water filtered in the filtering part flows into the first and second storage tanks.
28. The method of sterilizing a water treatment system as defined in claim 14,
under the condition that the sterilization cup at the lower part of the water taking plug is detected, the steps a), b), c) and d) are sequentially executed;
circulating the sterilizing water generated in the step b) to the circulation passage and performing sterilization of the first storage tank and the second storage tank in case that the sterilizing cup at the lower part of the water taking cock is not detected.
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