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WO2025239744A1 - Appareil de distribution d'eau - Google Patents

Appareil de distribution d'eau

Info

Publication number
WO2025239744A1
WO2025239744A1 PCT/KR2025/006795 KR2025006795W WO2025239744A1 WO 2025239744 A1 WO2025239744 A1 WO 2025239744A1 KR 2025006795 W KR2025006795 W KR 2025006795W WO 2025239744 A1 WO2025239744 A1 WO 2025239744A1
Authority
WO
WIPO (PCT)
Prior art keywords
ice
evaporator
cold water
cover
inner cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/KR2025/006795
Other languages
English (en)
Korean (ko)
Inventor
김현동
노근호
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of WO2025239744A1 publication Critical patent/WO2025239744A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/40—Fluid line arrangements
    • F25B41/42—Arrangements for diverging or converging flows, e.g. branch lines or junctions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • F25C1/22—Construction of moulds; Filling devices for moulds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C5/00—Working or handling ice
    • F25C5/18—Storing ice

Definitions

  • the present invention relates to a water treatment device capable of simultaneously replacing a filter head when replacing a filter.
  • a water dispenser is a device that supplies beverages, purified water, etc.
  • a water purifier is a water purifier, which is a device that physically and chemically filters out harmful elements such as foreign substances and heavy metals contained in water.
  • a typical water purifier largely includes a filter unit that filters out contaminants from raw water containing contaminants, and an outlet unit that extracts purified water that has passed through the filter unit.
  • raw water is supplied to the filter unit and purified, and the purified purified water is extracted through the outlet unit according to the user's choice.
  • some purifiers also offer cooling and heating functions, providing cold and hot water by cooling or heating the purified water.
  • water purifiers capable of providing ice in addition to cold and hot water, including ice-making devices, have been developed. These cooling and ice-making functions require a cooling device to cool the water passing through the filter.
  • Cooling devices used in water purifiers include thermoelectric elements or refrigerant compression cycle devices used in general refrigerators, and refrigerant compression cycle devices are widely used due to issues such as power consumption and cooling capacity.
  • a conventional water purifier with an ice-making function includes a water purification tank in which purified water, after being filtered of foreign substances, is stored. Furthermore, separate from the water purification tank, an ice-making tray is provided for temporarily storing water used to make ice, and a cold water tank is provided for storing cold water cooled by the ice-making tray.
  • an evaporator is provided adjacent to the ice-making tray, and a compressor, a condenser, and a capillary tube, which form a refrigerant compression cycle device together with the evaporator, are respectively provided.
  • an ice bank for storing the ice produced is provided below the ice-making tray. The ice bank is arranged together with the ice-making tray within a single insulated space.
  • a water purifier having a conventional ice-making means having a structure as described above stores ice produced in an ice-making tray in the ice bank, and moves water remaining in the ice-making tray to the cold water tank to supply cold water to a user.
  • the evaporator is a so-called submerged evaporator, which has fingers that come into direct contact with the cold water filled in the ice tray.
  • the submerged evaporator has been used as an ice-making means in water purifiers for a long time due to its simple structure and low production cost.
  • an ice-making means that controls the compressor using an inverter has been used for the purpose of improving ice-making efficiency, reducing power consumption, and shortening ice-making time.
  • the conventional ice purifier as described above uses a three-way valve to open the cold water side valve when producing cold water, and to open the ice-making side valve when making ice.
  • the conventional ice purifier as described above has a problem in that after completing ice making, the compressor is stopped and the ice removing heater is operated to remove the ice, so the number of times the compressor is turned on/off is large, resulting in high energy consumption, and the waiting time for turning the compressor on/off is generated, resulting in a decrease in the ice making amount (kg/day).
  • the conventional ice purifier as described above had the following problems when storing frozen ice because it did not store the stored ice under sub-zero temperature conditions.
  • the frozen ice was stored at room temperature and melted during storage.
  • water is created, and the water created as the ice melts is drained or used as cold water.
  • storing ice at room temperature can cause hygiene problems inside the ice storage.
  • existing ice purifiers utilize a finger-type evaporator to complete ice production.
  • the ice tray rotates, discharging any remaining water into the ice storage located below. If this water drips onto the ice stored in the ice bank, the quality of the ice can deteriorate.
  • insulation is foamed around the ice storage to insulate the ice storage.
  • an insulation layer is formed to insulate an ice storage facility that stores ice at room temperature, no matter how thick the insulation layer is formed, the ice in the ice storage facility will melt, which will eventually lead to a problem of deterioration in the quality of the ice and sanitary conditions.
  • the purpose of the present invention is to provide a water discharge device having a refrigeration system capable of performing at least one function selected from among cold water production, ice production, ice deicing, and ice freezing storage using refrigerant discharged from one compressor.
  • the purpose is to provide a water extraction device that can generate ice and de-ice the generated ice using one evaporator and one refrigerant pipe.
  • the purpose is to provide a device that can store ice at sub-zero temperatures without melting the ice and without the heat energy used for deicing flowing into the ice storage space even when deicing is in progress, thereby allowing the ice to be stored at sub-zero temperatures.
  • the purpose is to provide a water discharge device that can simultaneously insulate a cold water tank by a vacuum insulation panel attached between an inner cover and an outer cover and a foam liquid injected between the inner cover and the outer cover, even without a separate insulation material being provided in the cold water tank.
  • a water discharging device includes a filter unit that receives raw water and removes foreign substances, an ice-making tray filled with purified water generated by the filter unit, an inner cover disposed below the ice-making tray and having an ice bank for storing ice generated in the ice-making tray after it has been defrostered, an outer cover provided to cover the outer side of the inner cover, a cold water tank disposed between the inner cover and the outer cover that cools purified water generated by the filter unit to produce cold water, and a cooling means including a compressor, a condenser, a capillary tube, and an evaporator.
  • the cooling means includes an ice evaporator provided for cooling purified water filled in the ice tray, into which refrigerant passing through the capillary tube flows, a cold water evaporator provided inside the cold water tank, into which refrigerant passing through the capillary tube flows, for cooling purified water passing through the cold water tank, and a freezing evaporator provided for freezing storage of ice stored in the ice bank.
  • a connecting frame extending rearward from the upper rear surface of the inner cover may be formed, and the cold water tank may be coupled to the lower portion of the connecting frame.
  • the above cold water tank can be connected from the bottom to the top of the above connecting frame.
  • the rear surface of the inner cover and the connecting frame may include a bridge connecting the connecting frame and the upper rear surface of the inner cover so that the connecting frame is spaced apart from each other.
  • the cold water tank may be formed to be concave inward along the circumference of the upper portion and may have a rib groove formed into which the lower portion of the connecting frame is fitted.
  • a sealing member may be fitted between the rib home and the lower end of the connecting frame.
  • the shortest distance between the lower rear surface of the inner cover and the cold water tank can be formed to be greater than the shortest distance between the upper rear surface of the inner cover and the cold water tank.
  • the width of the cold water tank in the front-back direction can be formed to narrow from the top to the bottom.
  • a water level sensor for detecting the water level of the cooling water may be installed on one side of the cold water tank, and a temperature sensor for detecting the temperature of the cooling water may be installed below the water level sensor.
  • the water level sensor and temperature sensor may be installed from the outside to the inside of the cold water tank in a horizontal direction or an inclined direction from the top to the bottom on the side of the cold water tank.
  • a drain tank is arranged at the bottom of the inner cover to store water drained from the inner cover, the drain tank protrudes toward the rear of the inner cover, and the cold water tank can be arranged at the top of the cold water tank.
  • a first heater may be placed between the inner cover and the drain tank.
  • a second heater may be installed between the inner cover and the cold water tank.
  • a cold water tank cover portion covering the cold water tank may be formed at the rear end of the outer cover, and the condenser may be placed at the lower end of the cold water tank cover portion.
  • the upper side of the cold water tank may be open, and may include a tank cover covering the upper side of the cold water tank and an insulating cover made of insulating material and coupled to the upper side of the tank cover.
  • an insulating layer can be formed by injecting foam between the inner cover and the outer cover.
  • a vacuum insulation panel may be attached to at least one of the outer surface of the inner cover or the inner surface of the outer cover.
  • the inner space of the inner cover may include an ice-making space formed on an upper side of one side of the inner cover and in which the ice-making tray and the ice-making evaporator are arranged, an ice-storage space formed on a lower side of the other side of the inner cover and in which an ice bank for storing ice is arranged, and a cooling space formed at the rear of the ice-making space or the ice-storage space and in which the refrigeration evaporator is arranged.
  • an evaporator fan may be placed between the ice bank and the refrigerated evaporator to divide the ice storage space and the cooling space.
  • cold water evaporator may be placed at the rear of the refrigerant evaporator.
  • it may include a first refrigerant pipe that guides the refrigerant that has passed through the condenser to the cold water evaporator side, and a second refrigerant pipe that is connected in parallel with the first refrigerant pipe and guides the refrigerant that has passed through the condenser to the ice-making evaporator and freezing evaporator side.
  • the finger-type ice evaporator does not have a separate heater installed and heat is transferred by directly supplying hot gas to the inside of the finger, the heat transfer efficiency is increased, which has the advantage of shortening the ice-making time.
  • Figure 1 is a perspective view of a water extraction device according to one embodiment of the present invention.
  • Figure 2 is a drawing showing one embodiment of a refrigeration cycle applied to the water extraction device of the present invention.
  • Figure 3 is a longitudinal cross-sectional view of an ice-making unit, which is a component of the present invention.
  • Figure 4 is an exploded perspective view of an ice-making unit, which is a component of the present invention.
  • FIG. 5 is a drawing of the interior of an ice making unit according to one embodiment of the present invention viewed from above.
  • Figure 6 is a drawing illustrating a fan bracket, which is a component of the present invention.
  • Figure 7 is a perspective view showing a part of a refrigerant compression cycle device according to one embodiment of the present invention.
  • Figure 8 is a side view of the inside of the water extraction device of the present invention.
  • Figure 9 is a longitudinal cross-sectional view of the ice making means and cold water tank, which are the main components of the present invention.
  • Figure 10 is an enlarged view of a portion of Figure 9.
  • Figure 11 is an exploded perspective view of the ice making means and cold water tank, which are the main components of the present invention.
  • Figure 12 is an exploded perspective view of the inner cover and cold water tank, which are the main components of the present invention.
  • Figure 13 is a side view of the inner cover and cold water tank, which are the main components of the present invention, combined.
  • Figure 14 is a plan view showing the process of assembling a tank cover and an insulation cover to a cold water tank.
  • the water dispensing device of the present invention refers to a water purifier, refrigerator, coffee machine, beverage maker, etc., and refers to a dispenser or water dispensing device that can produce ice while dispensing various liquids.
  • the discharge device of the present invention is characterized by implementing a refrigeration cycle so that the ice produced internally can be stored without melting.
  • ice water purifiers have a structure in which water circulates at room temperature, so the ice produced is also stored at room temperature, which has the problem of hygienic problems such as mold growth, and the problem of ice quality deteriorating as melted ice is extracted.
  • the present invention has a feature that the ice produced can be stored in a frozen state so that the ice does not melt.
  • Fig. 1 is a perspective view of a water extraction device according to one embodiment of the present invention.
  • Fig. 2 is a drawing showing one embodiment of a refrigeration cycle applied to the water extraction device of the present invention.
  • the water extraction device is for extracting water supplied from an external water source immediately after purification, or extracting it after cooling or heating it, and may mean, for example, a direct water extraction device.
  • a direct-type water extraction device refers to a water extraction device that does not have a reservoir for storing purified water, but rather a device in which water passes through a filter in real time and purified water is extracted when a user requests purified water extraction.
  • the water extraction device may refer to a refrigerator having a water extraction device function. That is, it may refer to a water extraction device refrigerator that is a refrigerator and has a filter for purifying raw water and a water extraction nozzle through which purified water is extracted.
  • the water outlet device may mean an under-sink type water outlet device in which the main body is installed under the sink and the water outlet nozzle is installed on the outside of the sink.
  • the water discharging device may refer to various types of known devices that receive water from a water source, purify it by passing it through a filter, and then supply it to the outside.
  • a water treatment device includes a main body (10) and a water discharge nozzle (30) coupled to the main body (10) and supplying water downward.
  • the above main body (10) is formed to be concave toward the rear at the lower part of the front, and forms a water outlet space (11) in which a container for supplying water and ice is placed.
  • the main body (10) forms a water outlet (20) protruding forward at the upper part of the front.
  • the above-mentioned water discharge nozzle (30) is installed at the lower end of the water discharge portion (20) defining the upper surface of the water discharge space (11).
  • the above-mentioned water outlet (20) may be equipped with various buttons (40).
  • a purified water/hot water/cold water selection button a water outlet button, an ice selection button, an ice extraction button, etc. may be equipped.
  • At least one filter is arranged inside the main body (10), and purified water passing through the filter can be supplied to the user through the water outlet nozzle (30).
  • a purified water path that guides purified water passing through the filter toward the water outlet nozzle (30) can be arranged inside the main body (10).
  • purified water passing through the filter can be supplied to the outlet nozzle (30) in the form of cold water or hot water after being cooled or heated, and various beverages, coffee, etc. produced in the main body (10) can also be discharged through the outlet nozzle (30).
  • a hot water tank for heating purified water passing through the filter and a hot water path for guiding the heated hot water in the hot water tank toward the water outlet nozzle (30) may be arranged inside the main body (10).
  • the hot water tank may generate hot water by instantaneously heating purified water passing through the hot water tank using an induction heating (IH) method.
  • IH induction heating
  • the hot water tank may be equipped with a thermoelectric element or a heating wire to heat purified water passing through the hot water tank into hot water.
  • a cooling tank for cooling purified water passing through the filter and a cold water path for guiding the cold water cooled in the cooling tank toward the water outlet nozzle (30) may be arranged inside the main body (10).
  • the cooling tank may be equipped with a compressor, an evaporator, a condenser, a cooling fan, etc., so that purified water passing through the cooling tank can be cooled with cold water.
  • the cooling tank may be equipped with a thermoelectric element, so that purified water passing through the cooling tank can be cooled with cold water.
  • various cooling devices can be applied within the range of being able to cool the purified water passing through the cooling tank with cold water.
  • an ice-making means may be provided on the inside of the main body (10) to cool the purified water that has passed through the filter or the cold water cooled in the cooling tank to create ice.
  • the ice produced by the ice making means is stored under sub-zero temperature conditions where the ice does not melt, and can be supplied to the user through the water outlet nozzle (30) or an outlet (50) provided separately from the water outlet nozzle (30).
  • Fig. 3 is a cross-sectional view of an ice making unit, which is a component of the present invention.
  • Fig. 4 is an exploded perspective view of an ice making unit, which is a component of the present invention.
  • Fig. 5 is a view of the inside of an ice making unit according to an embodiment of the present invention, viewed from above.
  • the above ice making means (100) includes an ice making unit (110), a dispenser unit (150), and a cover unit (102).
  • the ice making means (100) includes an ice making unit (110).
  • the above ice making unit (110) is configured to include a body unit (101) and a cover unit (102) described later.
  • the body part (101) and cover part (102) described below can be understood as a housing that forms the exterior of the ice making part (110).
  • the above ice-making unit (110) is surrounded by insulating material to secure an insulated space.
  • An ice-making tray (120) is installed in the insulated space formed inside the ice-making unit (110) to temporarily store water to be used for ice-making.
  • the ice-making tray (120) is mounted on a driving motor and a rotational shaft, and is mounted so as to be rotatable around the rotational shaft.
  • An ice bank (130) is provided so that the falling ice and water can be fed.
  • the ice bank (130) has an opening formed at the top, through which the water and ice that fall from the ice tray (120) can enter the interior of the ice bank (130).
  • the water and ice that fell from the ice tray (120) are separated, the ice is stored in the ice bank (130), and the water can be drained through a separate path.
  • an auger (140) is provided that rotates in one direction and pushes ice outward, and a dispenser unit (150) is located at the outlet side of the auger (140).
  • the dispenser unit (150) is connected to the inside of the above-described discharge port (50), so that ice discharged by the operation of the auger (140) can be delivered to the user through the discharge port (50).
  • the bottom surface of the ice bank (130) is made of a water-permeable material, or is configured so that a plurality of permeable holes are formed so that the supplied water can pass through the bottom surface of the ice bank (130) and flow out downward.
  • the water thus flowed out passes through the passage hole (131) of the ice bank (130), and the water passing through the passage hole (131) is discharged through a separate drain hole formed at the lowest end of the bottom surface of the inner cover (111), and the discharged water can be stored in a separate residual water storage tank or drained to the outside through a separate drain pipe.
  • the drain pipe may also be equipped with a pump for drainage, or an external pump may be connected to the drain pipe to perform drainage.
  • the ice-making means (100) includes a refrigerant compression cycle device (200) to freeze water supplied to the ice-making tray (120) or cool water in the cold water tank.
  • the refrigerant compression cycle device (200) includes a compressor (210), a condenser (220), a dryer (230), an expansion valve (240), an evaporator (251, 252, 253), and an accumulator. Since the operating principles of each component are known from the prior art, a detailed description thereof will be omitted.
  • the refrigerant passing through the compressor (210) is supplied for at least one of the following uses.
  • the refrigerant passing through the compressor (210) can be supplied to a cold water evaporator provided in the cold water tank to lower the temperature of the cooling water or cold water in the cold water tank.
  • the refrigerant passing through the compressor (210) can be supplied to an ice evaporator placed on the side of the ice tray to freeze water contained in the ice tray.
  • the refrigerant passing through the compressor (210) may be supplied to an ice evaporator or a separate heat exchanger placed on the ice tray side to freeze the ice generated in the ice tray.
  • the refrigerant that has passed through the compressor (210) can be supplied to a freezing evaporator placed on one side of the ice storage space so that the ice separated from the ice tray is stored at sub-zero temperature conditions.
  • the above evaporators (251, 252, 253) may be provided in multiple numbers.
  • the above evaporators (251, 252, 253) may be divided into an evaporator for generating cold water, an evaporator for generating ice, and an evaporator for storing ice.
  • the above evaporators (251, 252, 253) can perform multiple functions selected from among cold water cooling, ice making, and ice storage, and each evaporator can individually perform the functions of cold water cooling, ice making, and ice storage.
  • a plurality of refrigerant pipes may be provided to transfer the refrigerant passing through the dryer (230) to each evaporator (251, 252, 253).
  • the above refrigerant pipe may refer to a single pipe, path, etc. through which the refrigerant flows, and may also refer to a plurality of separate pipes, paths, etc. for connection to other devices such as an evaporator or capillary tube.
  • the refrigerant that has passed through the condenser and the dryer in sequence flows to the refrigerant valve, but the scope of the present invention is not limited to this, and it is to be noted in advance that the refrigerant that has passed through the condenser may flow directly to the refrigerant valve without passing through the dryer.
  • each of the above refrigerant pipes may be connected in parallel, or at least some of the refrigerant pipes may be connected in series.
  • multiple evaporators may be connected in parallel, or at least some of the evaporators may be connected in series.
  • a refrigerant valve for transmitting or blocking refrigerant to each refrigerant pipe may be provided.
  • a component when it is said that a component is connected “in parallel” with another component in a flow path through which refrigerant discharged from a compressor flows, it means that the flow path connected to one component and the flow path connected to the other component branch off from the upstream side of the two components and join together from the downstream side of the two components based on the flow direction of the refrigerant.
  • the flow path may be implemented as a component in which a passage through which refrigerant flows is formed, such as a refrigerant pipe or an expansion valve, and components such as valves and connecting pipes may be arranged at the points where the flow paths branch off and join together.
  • the evaporators (251, 252, 253) include a cold water evaporator (251) for generating cold water, an ice evaporator (252) arranged on the side of the ice tray (120) for making ice, and a freezing evaporator (253) for supplying cold air to prevent ice stored in the ice bank (130) from melting.
  • the refrigerant that has passed through the compressor (210) passes through the condenser (220) and the dryer (230) and then flows into the refrigerant valve (270).
  • a condenser fan (280) may be installed on one side of the condenser (220) to dissipate heat from the condenser.
  • the refrigerant introduced into the refrigerant valve (270) can flow into the first refrigerant pipe (291) or the second refrigerant pipe (292).
  • the refrigerant introduced into the refrigerant valve (270) may flow into the fourth refrigerant pipe (294) to supply hot gas to the ice evaporator (252).
  • the refrigerant valve (270) may be provided as a 4-way valve having one inlet and three outlets, and capable of individually opening and closing each inlet and outlet and controlling the degree of opening.
  • the above refrigerant valve (270) may be configured as a single four-way valve, or may be configured using multiple three-way valves, etc.
  • a refrigerant valve may be individually installed in each refrigerant pipe (291, 292, 294).
  • the refrigerant flowing through the first refrigerant pipe (291) passes through the first expansion valve (241) and then flows to the cold water evaporator (251).
  • the cold water evaporator (251) cools the water in the cold water tank (160) into cold water through heat exchange with purified water passing through the cold water tank (160).
  • the refrigerant that has passed through the above cold water evaporator (251) flows back to the compressor (210).
  • the refrigerant flowing through the second refrigerant pipe (292) passes through the second expansion valve (242) and then flows to the ice evaporator (252).
  • the refrigerant introduced into the ice evaporator (252) exchanges heat with the water contained in the ice tray (120) to freeze the water into ice.
  • the ice evaporator (252) has a plurality of fingers (252a) that are immersed at one end in water supplied to the ice tray (120). Therefore, when cold refrigerant flows inside the ice evaporator (252), water in contact with the surrounding area freezes, causing ice to gradually grow.
  • a separate ice separating means may be provided on one side of the ice evaporator (252).
  • the high-temperature refrigerant that has passed through the compressor (210) can be supplied directly to the ice evaporator (252) by bypassing the second refrigerant pipe (292).
  • a fourth refrigerant pipe (294) is provided.
  • the fourth refrigerant pipe (294) connects the refrigerant valve (270) and the ice evaporator (252).
  • the fourth refrigerant pipe (240) bypasses the second refrigerant pipe (292) and connects the refrigerant valve (270) and the ice evaporator (252).
  • the refrigerant of the refrigerant valve (270) flows to the second refrigerant pipe (292), and in an ice-breaking situation, the refrigerant of the refrigerant valve (270) flows to the fourth refrigerant pipe (294).
  • the high-temperature refrigerant (hot gas) introduced into the refrigerant valve (270) is supplied to the ice-making evaporator (252) through the fourth refrigerant pipe (294) to melt the ice stuck to the ice-making evaporator (252) and cause ice-breaking.
  • the refrigerant that provides the heat necessary for ice-breaking while passing through the ice-making evaporator (252) can flow to the compressor (210) via the freezing evaporator (253).
  • the evaporator fan (260) can be controlled to stop operating or to have a rotation speed lower than that in the cooling mode.
  • the condenser fan (280) may also be controlled to stop operating or have a rotation speed lowered compared to the cooling mode.
  • high temperature, high pressure gas discharged from the compressor passes through a condenser (220) and is converted into high temperature, high pressure liquid.
  • the operation of the condenser fan (280) is stopped or controlled to rotate at a low speed, so that the refrigerant passing through the condenser (220) can reach the ice-making evaporator (252) in a gaseous state.
  • a forced convection condenser (220) may be used as a type of condenser.
  • a forced convection condenser since air is circulated through a condenser fan (280) to condense the refrigerant, if the condenser fan (280) stops operating, the condensation performance deteriorates. Therefore, if the condenser fan (280) stops operating, the refrigerant may remain in a gaseous state even if it passes through the condenser (220).
  • the temperature of the ice storage space cannot help but rise due to the hot gas flowing through the ice-making evaporator and the freezing evaporator during ice removal.
  • control can be performed to perform an ice-making operation by supplying hot gas, etc.
  • the refrigerant passing through the ice evaporator (252) flows to the freezing evaporator (253).
  • both the ice-making evaporator (252) and the freezing evaporator (253) are installed in the second refrigerant pipe (292), the ice-making evaporator (252) and the freezing evaporator (253) are connected in series, and the ice-making evaporator (252) is located upstream of the freezing evaporator (253) based on the flow direction of the refrigerant.
  • the refrigeration evaporator (253) supplies cold air to prevent the ice stored in the ice bank (130) from melting.
  • an evaporator fan (260) that forms a discharge airflow toward the ice bank (130) may be formed on one side of the refrigeration evaporator (253).
  • the refrigerant that passes through the ice evaporator (252) and the freezing evaporator (253) in sequence flows back to the compressor (210).
  • the ice bank (130) can be maintained at a temperature at which ice does not melt by the refrigeration evaporator (253) and the evaporator fan (260).
  • the present invention as described above can implement cold water generation, ice making, and ice removal in one refrigerant cycle.
  • a 4-way refrigerant valve (270) is installed at the rear end of the dryer (230), so that the refrigerant passing through the dryer (230) can be delivered to the first refrigerant pipe (291) for cold water production, to the second refrigerant pipe (292) for ice production and frozen storage, or to the fourth refrigerant pipe (294) for ice removal.
  • the refrigerant valve (270) opens the outlet side of the first refrigerant pipe (291) to discharge the refrigerant to the first expansion valve (241) and the cold water evaporator (251).
  • the refrigerant valve (270) opens the outlet of the second refrigerant pipe (292) to discharge the refrigerant through the second expansion valve (242). Then, the refrigerant passing through the second expansion valve (242) passes through the ice-making evaporator (252) to create ice, and passes through the freezing evaporator (253) to create cold air to prevent the frozen ice from melting.
  • the refrigerant valve (270) can open both the outlet on the first refrigerant pipe (291) side and the outlet on the second refrigerant pipe (292) side to generate cold water and also generate ice.
  • the refrigerant valve (270) opens the outlet of the fourth refrigerant pipe (294), supplies the hot refrigerant (hot gas) that has passed through the condenser to the ice making evaporator (252), and melts and separates the ice from the fingers (252a) of the ice making evaporator (252).
  • the refrigerant valve (270) opens the outlet of the second refrigerant pipe (292), thereby generating ice or generating cold air to prevent the ice-making ice from melting.
  • the refrigerant cycle is implemented so that the ice produced in the ice purifier does not melt and is stored under sub-zero temperature conditions.
  • Conventional ice water purifiers do not have a separate refrigerant cycle to store ice at sub-zero temperatures.
  • a refrigerant cycle for storing ice at sub-zero temperatures is established so that ice can be stored in a frozen state without melting even after ice making and ice removal.
  • the refrigerating evaporator (253) used in the present invention can be manufactured by miniaturizing the fin type evaporator (Fin Type EVA) used in a general refrigerator, and can be installed downstream of the ice-making evaporator (Finger Type EVA) based on the refrigerant flow direction.
  • Fin Type EVA fin type evaporator
  • Finger Type EVA ice-making evaporator
  • an evaporator fan is installed to allow cold air generated from a refrigerated evaporator (253), which is a fin type evaporator (Fin Type EVA), to flow into the ice bank, thereby forming a cooling path.
  • a refrigerated evaporator (253), which is a fin type evaporator (Fin Type EVA)
  • Fin Type EVA fin type evaporator
  • the above evaporator fan causes cold air to flow from the above refrigerated evaporator toward the ice bank.
  • the refrigerant flowing through the second refrigerant pipe (292) passes through the second expansion valve (242), ice making is performed firstly while passing through the finger type ice evaporator (252), and secondly while passing through the fin type refrigeration evaporator (253), cold air is generated. Then, as the evaporator fan (260) operates, the cold air generated in the refrigeration evaporator (253) flows into the ice bank (130), so that the ice in the ice bank can be stored at sub-zero temperature conditions.
  • the freezing evaporator (253) cools the ice-making and ice-storage space
  • the ice-making evaporator (252) may not produce ice.
  • low-temperature refrigerant can be supplied to the ice-making evaporator (252) and the freezing evaporator (253) in a state where the ice-making evaporator (252) does not generate ice.
  • the refrigerant passes through the ice-making evaporator (252) without generating ice in the ice-making evaporator (252), and thus enters the freezing evaporator (253) with minimized heat loss.
  • the freezing evaporator (253) can quickly cool the ice-making and ice-storage space or cool it to a temperature below a certain level.
  • control unit may not supply water to the ice tray (120) or drain the water contained in the ice tray (120) to prevent ice making. Even if ice making is not performed, low-temperature refrigerant may flow into the ice evaporator (252), and in this case, the ice evaporator (252) may only serve as a passage through which the refrigerant flows toward the freezing evaporator (253).
  • the evaporator fan (260) may be installed on a separate fan bracket (118) and placed on the upper portion of the freezing evaporator (253).
  • the above fan bracket (118) may be formed to surround the edge of the evaporator fan (260) to secure the evaporator fan (260) in place.
  • fan bracket (118) can serve as an intermediate wall that divides one space into two spaces.
  • the fan bracket (118) can partition a space where a refrigerating evaporator (253) is placed and a space where an ice-making evaporator (252) is placed.
  • a defrosting heater (116) is installed on one side of the refrigerating evaporator (253). The defrosting heater (116) is provided to remove frost formed on the refrigerating evaporator (253), and during defrosting operation, power is supplied to melt and control the frost formed on the refrigerating evaporator (253).
  • ice can be stored at a sub-zero temperature.
  • the temperature range of the ice storage room can be maintained at -18 to -2 degrees, and suitably -11 to -9 degrees.
  • the finger-type ice evaporator does not have a separate heater installed and heat is transferred by directly supplying hot gas to the inside of the finger, the heat transfer efficiency is increased and the ice-making time can be shortened.
  • the front refers to the direction in which the water outlet nozzle (30) through which water is supplied and the ice outlet (50) through which ice is supplied are arranged.
  • the ice making means of the present invention may include a body part (101) having an open upper side and forming a space on the inside, and an open upper side, and a cover part (102) detachably coupled to the upper end of the body part (101) to cover the open upper side of the body part (101).
  • the above cover part (102) is formed as a single body and can cover the entire open upper side of the body part (101).
  • the above cover part (102) has an opening/closing structure that can be separated from and then reattached to the body part (101).
  • cover part (102) may be provided in multiple numbers to partially open and close the open upper side of the body part (101).
  • the above cover part (102) is detachably connected to the upper part of the body part (101), and can be separated and then reconnected.
  • a gasket (105) may be installed between the body portion (101) and the cover portion (102) for sealing.
  • the above gasket (105) can be fixed to the lower part of the cover part (102).
  • the gasket may be formed at the upper end of the body portion (101).
  • the above cover part (102) is provided in an overall rectangular panel shape.
  • a vacuum insulation panel may be attached to the inner surface of the lower or upper cover. Then, with the vacuum insulation panel attached, an insulation material such as urethane may be foamed inside to form an insulation layer.
  • a gasket (105) can be fixed to the lower part of the lower cover to seal between the body part (101) and the cover part (102).
  • a detection means may be installed on one side of the body part (101) and the cover part (102) to detect whether the cover part (102) is separated.
  • the above detection means is connected to the control unit and can detect whether the cover part (102) is separated from the body part (101).
  • the control unit confirms the opening of the ice bank (130) in real time through the detection means.
  • the above detection means may include various known sensors of various structures.
  • a magnet may be installed in the cover portion (102) or the inner cover (103) described below.
  • a separate reed switch detects this, and the control part can control the operation of the evaporator fan to stop or control the evaporator fan to rotate at a low speed.
  • control unit can control the ice-making tray to return from the open position (ice-making position) to the closed position (ice-making position).
  • the control unit stops the ice making operation and returns the ice making tray (130) to the ice making position.
  • the reed switch can detect the opening and closing of the cover part (102) in which the magnet is installed or the inner cover (103) described later by detecting a magnetic field.
  • the control unit can control the operation of at least one of the evaporator fan and the condenser fan to stop, or control the rotation speed (rpm) of at least one of the fans to decrease.
  • the reed switch may be installed on a front cover forming the front of the water purifier body, a side panel forming the side of the water purifier body, or a rear cover forming the rear of the water purifier body.
  • the reed switch can be installed in various locations, such as the ice bank (130) or ice making unit (110), dispenser unit (150), etc., which are not separated from the cover unit (102) or the inner cover (103) described below, but are maintained in a fixed state.
  • the body part (101) may be provided with an inner cover (103) separately from the cover part (102).
  • the above cover part (102) can cover the upper side of the inner cover (103).
  • the inner cover (103) above maintains a state of being coupled to the body part (101) even if the cover part (102) is separated from the body part (101).
  • the inner cover (103) must be separated from the body portion (101) and then reattached using a separate fastening means such as a screw or a tool.
  • the internal space of the body part (101) can be divided into an ice-making space, an ice-storing space, and a cooling space.
  • the ice-making space (1011) is a space where the ice-making evaporator (252) is placed
  • the ice storage space (1012) is a space where the ice is made and stored
  • the cooling space (1013) is a space where the refrigeration evaporator (253) that generates cold air so that the ice stored in the ice storage space (1012) is stored at a sub-zero temperature is placed.
  • the user needs to open it to check the ice, check the internal cleanliness, wash, etc. Therefore, in the case of the ice storage space (1012), a separate inner cover is not provided, and when the cover part (102) is separated, it is immediately exposed to the outside.
  • the ice-making space (1011) and the cooling space (1013) that accommodate the ice-making evaporator (252), the freezing evaporator (253), the evaporator fan (260), etc. have a structure in which the upper side is covered with a separate inner cover (103).
  • this inner cover (103) is fastened with a fastening means such as a screw so that the user cannot easily open or access it, and is configured so that it can be opened only with a separate tool.
  • the inner cover (103) may be provided separately with an inner cover covering the ice-making space (1011) and an inner cover covering the cooling space (1013).
  • the inner cover (103) may be provided as one, so that the ice-making space (1011) and the cooling space (1013) may be covered at once with one inner cover (103), and may be opened at once.
  • the above body part (101) may have an overall rectangular shape when viewed from above.
  • an ice-making space (1011) and an ice-storage space (1012) may be arranged on the front side where the above-mentioned outlet (50) is arranged, and a cooling space (1013) may be arranged at the rear of the ice-making space (1011) and the ice-storage space (1012).
  • an ice storage space (1012) may be formed on one front side (left side as shown in FIG. 6) of the body part (101), and an ice-making space (1011) may be formed on the other front side (right side as shown in FIG. 6) of the body part (101).
  • the ice making space (1011) and cooling space (1013) have an overall ‘ ⁇ ’ shape when viewed from above.
  • the inner cover (103) may have an overall ‘ ⁇ ’ shape to simultaneously open and cover the ice-making space (1011) and the cooling space (1013).
  • the cover part (102) can cover the ice-making space (1011), the ice-storage space (1012), and the cooling space (1013).
  • the inner cover (103) can cover the cooling space (1013) or the ice-storage space (1012).
  • the inner cover (103) can cover only the cooling space (1013) and only the ice-storage space (1012).
  • one inner cover (103) can cover the cooling space (1013) and the ice storage space (1012) at the same time, and an inner cover covering the cooling space (1013) and an inner cover covering the ice storage space (1012) can be provided separately.
  • the inner cover (103) is secured with a fastening means such as a screw so that the user can open it only by using a separate tool such as a screwdriver. This prevents the user from inadvertently opening the inner cover covering the refrigerating evaporator (253) or the ice-making evaporator (252), thereby preventing damage to the refrigerating evaporator (253) or the ice-making evaporator (252) or injury to the user.
  • a fastening means such as a screw
  • the cover part (102) covering the ice storage space (1012) can be opened and closed by the user to clean the inside of the ice bank (130) or to take the ice bank (130) out of the inner cover (111), and thus can be opened without a separate tool.
  • the cover part (102) can be easily opened and closed with a clip provided at the top of the ice storage part (110).
  • a dispenser unit (150) is placed in front of the body unit (101) to supply ice toward the outlet (50).
  • All or part of the ice tray (120), ice bank (130), and auger (140) may be placed inside the above body part (101).
  • a fan bracket (118) may be placed between the above-mentioned storage space (1012) and the cooling space (1013).
  • An evaporator fan (260) is installed on the above fan bracket (118).
  • the ice storage space (1012) and the cooling space (1013) can be partitioned.
  • the above body part (101) may include an inner cover (111) and an outer cover (112).
  • the body part (101) may be equipped with only an inner cover (111) without an outer cover.
  • an insulating material may be provided in the space between the inner cover (111) and the case forming the exterior of the water purifier.
  • the outer cover (112) may include a first outer cover (112a) that covers one side of the inner cover (111) and a second outer cover (112b) that covers the other side of the inner cover (112b), and the outer covers (112a, 112b) may be separated into two sides and then combined.
  • a space is formed between the inner cover (111) and the outer cover (112), and the space can be filled with insulating material.
  • the insulation material may be formed by foaming polyurethane (PU foam) between the inner cover (111) and the outer cover (112).
  • PU foam polyurethane
  • vacuum insulated panels may be attached to the inner surface of the outer cover (112a, 112b) before foaming polyurethane (PU foam).
  • vacuum insulation panels may be attached to the inner side surfaces on both sides, a vacuum insulation panel may also be attached to the inner bottom surface, and a vacuum insulation panel may also be attached to the inner side surface on the back.
  • the inner surface of the outer cover (112a, 112b) forms a generally flat surface, making it easy to attach a vacuum insulation panel.
  • an inner cover (111), a cold water tank (160), and a drain tank (170) are arranged inside the outer cover (112a, 112b, and while the inner cover (111), the cold water tank (160), and the drain tank (170) are arranged inside the outer cover (112a, 112b), a foaming liquid is sprayed to secure an insulating layer.
  • drain tank (170) or the cold water tank (160) since cold water is stored inside the drain tank (170) or the cold water tank (160), insulation is required to prevent condensation. In this case, if the drain tank (170) or the cold water tank (160) is placed inside the outer cover (112a, 112b), insulation can be performed all at once, thereby minimizing the number of insulation components. If the drain tank (170) or the cold water tank (160) is placed outside the outer cover (112a, 112b), separate insulation is required.
  • the outer covers (112a, 112b) are formed with all flat surfaces, making it easy to attach vacuum insulation panels.
  • the outer surface of the inner cover (111) is partially curved, particularly the bottom surface. In order to attach a vacuum insulation panel (VIP) to the curved surface, the insulation material must be cut into small pieces, making the process cumbersome.
  • VIP vacuum insulation panel
  • the first outer cover (112a) and the second outer cover (112b) can be connected to each other using hooks or screws, etc.
  • the jig holds the outer covers (112a, 112b) from both sides, so they can be fixed using only hooks.
  • the vacuum insulated panel (VIP) has excellent insulation performance relative to its thickness, so the gap between the outer cover (112a, 112b) and the inner cover (111) can be reduced. As a result, the size of the ice making unit (110) can be reduced.
  • the temperature of the ice bank (130) is maintained below zero, high insulation performance is required.
  • insulation is provided only with foamed urethane, the thickness of the insulation material becomes too thick and the size of the ice-making part becomes large. Therefore, a vacuum insulation panel (VIP) with good insulation performance relative to its thickness is attached to the inner surface of the outer cover (112a, 112b), and urethane is foamed into the empty space where the vacuum insulation panel (VIP) is not attached to form an insulation layer.
  • VIP vacuum insulation panel
  • the vacuum insulation panel (VIP) can be fixed to the inner surface of the outer cover (112a, 112b) using double-sided tape, etc. Since the urethane foaming process will fix the vacuum insulation panel (VIP) to the outer cover (112a, 112b) anyway, it can be fixed simply before foaming.
  • the thickness of the vacuum insulation panel (VIP) can be approximately 8 to 11 mm, and in the case of urethane, it can be formed to be 5 mm or more to ensure flowability when foaming. That is, the gap between the vacuum insulation panel (VIP) on which urethane is foamed and the inner cover (111) can be formed to be 5 mm or more.
  • a vacuum insulation panel can be formed to a thickness of 10 mm, and PU (foamed polyurethane) can also be formed to a thickness of 10 mm.
  • the bottom surface of the above outer cover (112a, 112b) is formed to slope downward from the front to the rear.
  • the rear lower portion of the outer cover (112a, 112b) may be formed to be convex toward the rear so that the drain tank (170) can be accommodated therein.
  • an inner cover (111) is placed on the inside of the outer cover (112a, 112b), and the inner bottom surface of the inner cover (111) is also formed to slope downward from the front to the rear.
  • the inner cover (111) forms an ice-making space (1011), an ice-storing space (1012), and a cooling space (1013) on the inner side.
  • an ice bank (130) may be placed on the inside of the inner cover (111).
  • a plurality of passage holes (131) can be formed in the above ice bank (130).
  • a plurality of passage holes (131) may be formed on the bottom surface, side surface, etc. of the ice bank (130), and the bottom surface of the ice bank (130) may be formed to slope downward from the front side to the rear side.
  • the bottom surface of the ice bank (130) may be formed as a curved surface.
  • the ice bank (130) may have a shape in which the front side is open and the rear side is closed.
  • an ice-making tray (120) is installed to temporarily store water to be used for ice-making.
  • the ice-making tray (120) is mounted on a driving motor and a rotational shaft, and is mounted so as to be rotatable around the rotational shaft.
  • the ice evaporator (252) may be placed on the upper side of the ice tray (120).
  • Ice making is performed in the ice making evaporator (252) while the above ice making tray (120) is fixed in the ice making position. Then, when ice making is completed, the ice making tray (120) rotates.
  • the above ice bank (130) has an opening formed at the top, through which ice falling from the ice tray (120) can enter the interior of the ice bank (130).
  • the ice bank (130) is equipped with an auger (140) that rotates in one direction and pushes ice outward, and a dispenser unit (150) is located on the outlet side of the auger (140).
  • the dispenser unit (150) is connected to the interior of the above-described discharge port (50), so that ice discharged by the operation of the auger (140) can be delivered to the user through the discharge port (50).
  • the bottom and rear surfaces of the ice bank (130) are made of a water-permeable material, or are configured so that a plurality of passage holes (131) are formed so that any water that may have entered can pass through the bottom surface of the ice bank (130) and flow out downward.
  • the water that flows out in this way passes through the ice bank (130) and is received in the drain tank (170) located at the bottom of the inner cover (111), or is drained through a separate drain pipe.
  • a pump for drainage may be provided in the drain pipe, or an external pump may be connected to the drain pipe to perform drainage.
  • a lower hole is formed in the lower part of the fan bracket (118) to allow air to flow from the ice storage space (1102) to the cooling space (1103), and an upper hole is formed in the upper part of the fan bracket (118) to allow air discharged from the evaporator fan (260) to flow to the ice storage space (1102).
  • the fan bracket (118) is configured to divide the ice storage space (1102) and the cooling space (1103), and an insulating material may be provided inside.
  • the heat of the freezing evaporator may melt the ice in the ice storage space (1102), so an insulating material is placed inside the fan bracket (118) to provide insulation between the ice storage space (1102) and the cooling space (1103).
  • the inside of the fan bracket (118) may not be provided with insulation.
  • the above fan bracket (118) acts as a passage for air to flow between the cooling space (1103) where the refrigerant evaporator (253) is placed and the ice storage space (1102).
  • an evaporator fan (260) may be coupled to the rear upper portion of the fan bracket (118).
  • the evaporator fan (260) sucks in air from the side of the freezer evaporator (253) and creates a flow of air from the lower side to the upper side. Then, the cold air that has passed through the freezer evaporator (253) is supplied to the upper side of the ice storage space (1012) through the evaporator fan (260), and accordingly, the ice stored in the ice storage space (1012) can be stored at a sub-zero temperature by the cold air.
  • an evaporator fan (260) is installed at the top of the refrigerated evaporator (253) to pull up the cold air generated in the refrigerated evaporator (253) and supply it to the upper side of the ice storage space (1012).
  • the above storage space (1012) is located adjacent to the outlet (50), and the cooling space (1103) is arranged in a direction away from the outlet (50).
  • cold water tank (160) and cold water evaporator (251) can also be placed inside the body part (101).
  • a separate cold water tank (160) installation space can be formed at the rear of the body part (101).
  • the cold water tank (160) may be installed between the inner cover (111) and the outer cover (112).
  • the cold water tank (160) may be positioned adjacent to the ice evaporator (252) and the freezing evaporator (253) to facilitate installation of refrigerant pipes.
  • An installation space is formed between the rear surface of the inner cover (111) and the rear surface of the outer cover (112), and the cold water tank (160) can be installed in the installation space between the rear surface of the inner cover (111) and the rear surface of the outer cover (112).
  • the cold water tank (160) when the cold water tank (160) is installed between the inner cover (111) and the outer cover (112), and insulation is foamed between the inner cover (111) and the outer cover (112), the cold water tank (160) can be automatically insulated.
  • the refrigerant compression cycle device (200) and various valves, components, lighting, etc. can be controlled through a separate control unit.
  • the control unit may include one or more PCBs.
  • the control unit may operate according to a programmed algorithm.
  • Figure 6 is a drawing illustrating a fan bracket, which is a component of the present invention.
  • FIG. 6 is a perspective view of the fan bracket
  • FIG. 6 is an exploded perspective view of the fan bracket.
  • a fan bracket (118) is installed on the inside of the ice making unit (110).
  • the fan bracket (118) may include an evaporator fan (260) installed on the upper side of the fan bracket (118) and a dividing wall (1186) formed on the lower side to divide the installation space of the ice bank (130) and the installation space of the refrigerated evaporator (253).
  • a plurality of ventilation holes (118a) may be formed on the upper side of the fan bracket (118) to allow air discharged from the evaporator fan (260) to pass through.
  • the upper side of the fan bracket (118) may have a grill shape due to the plurality of ventilation holes (118a).
  • the cold air of the refrigerated evaporator (253) flows upward by the suction force of the evaporator fan (260), passes through the evaporator fan (260), and the cold air discharged from the evaporator fan (260) passes through the ventilation hole (118a) and is supplied to the internal space of the ice bank (130).
  • the cold air of the ice bank (130) flows downward to the refrigeration evaporator (253) by the suction force of the evaporator fan (260).
  • a passage (118b) is formed at the bottom of the fan bracket (118) to connect the bottom of the ice storage space (1012) and the bottom of the cooling space (1013).
  • a plurality of passages (118b) are formed on the lower side of the fan bracket (118) so that the cold air of the ice bank (130) flows toward the refrigeration evaporator (253).
  • the user's hand may be injured when it enters the cooling space (1013) where the refrigerant evaporator (253) is installed through the space between the bottom of the fan bracket (118) and the bottom surface of the inner cover (111).
  • the passage (118b) may be formed in a grill shape or a rake shape and may serve to block the space between the lower part of the fan bracket (118) and the bottom surface of the inner cover (111).
  • the air outlet and air inlet are formed vertically in one fan bracket (118), in another embodiment, the air outlet and air inlet may be formed separately in two fan brackets (118) arranged vertically.
  • the cold air flowing downward from the above-mentioned refrigerated evaporator (253) flows upward by the suction force of the evaporator fan (260), becomes colder as it passes through the refrigerated evaporator (253), and is supplied to the internal space of the ice bank (130) by passing through the evaporator fan (260) and the ventilation hole (118a) again.
  • the lower part of the above fan bracket (118) is formed in a grill shape so that cold air from the ice bank (130) can flow toward the refrigeration evaporator (253).
  • the rear side of the ice bank (130) can be arranged parallel to the separating wall (1186) of the fan bracket (118).
  • the cold air of the ice bank (130) can pass through the passage hole (131) formed on the bottom surface and the rear surface of the ice bank (130) and pass through the passage (118b) of the fan bracket (118) and then flow toward the refrigeration evaporator (253).
  • the above fan bracket (118) may include a front member (118c) and a rear member (118d). Insulating material may be provided in the space (S) between them.
  • the above front member (118c) is positioned relatively forward compared to the rear member (118d), and a ventilation hole (118a), a separation wall (1186), and a passage (118b) can be formed.
  • a connecting portion (1189) may be formed on one or both upper sides of the front member (118c) so as to extend outward, hang over the upper side of the ice making unit (110), and be connected to the upper side of the ice making unit (110).
  • the rear member (118d) is positioned relatively rearwardly relative to the front member (118c) and forms an installation opening (1187) in which the evaporator fan (260) is installed.
  • the installation opening (1187) may be formed at a position facing the ventilation hole (118a).
  • an extension portion (1188) extending rearward along the perimeter of the installation opening (1187) may be formed, and the extension portion (1188) may cover the perimeter of the evaporator fan (260).
  • the fan bracket (118) may optionally be equipped with a full ice sensor (301) that detects whether the ice stored in the ice bank (130) is full, a UV lamp (302) that sterilizes the ice storage space of the ice bank (130) by irradiating ultraviolet rays, and a temperature sensor that measures the temperature of the ice storage space of the ice bank (130).
  • a full ice sensor (301) that detects whether the ice stored in the ice bank (130) is full
  • a UV lamp (302) that sterilizes the ice storage space of the ice bank (130) by irradiating ultraviolet rays
  • a temperature sensor that measures the temperature of the ice storage space of the ice bank (130).
  • the above evaporator fan (260) may be placed in an upright position, i.e., with the rotation axis of the evaporator fan (260) facing forward and backward. If the distance between the evaporator fan (260) and the refrigerated evaporator (253) is too close, frost may form on the evaporator fan (260), preventing the evaporator fan (260) from operating properly. In order to secure a gap between the evaporator fan (260) and the refrigerated evaporator (253), the evaporator fan (260) needs to be placed upright rather than lying down.
  • a PCB case having a built-in PCB may be installed at the rear of the fan bracket (118), specifically, at the rear of the separating wall (1186).
  • the PCB case may be placed at the bottom of the evaporator fan (260).
  • the fan bracket (118) may have an insulating material attached to it, or an insulating layer may be formed inside it.
  • the above fan bracket (118) functions as an intermediate wall dividing the ice storage space (1012) and the cooling space (1013).
  • a grill-shaped passage (118b) is formed at the bottom of the fan bracket (118) to allow air to flow from the ice storage space (1012) to the cooling space (1013).
  • a plurality of ventilation holes (118a) are formed in a grill shape on the upper part of the fan bracket (118) so that the air discharged from the evaporator fan (260) flows into the ice storage space (1012).
  • insulation may be provided inside the fan bracket (118).
  • the heat of the freezing evaporator (253) may cause the ice in the ice storage space (1012) to melt, so an insulating material is placed inside the fan bracket (118) to provide insulation between the ice storage space (1012) and the cooling space (1013).
  • the inside of the fan bracket (118) may not be provided with insulation.
  • the fan bracket (118) acts as a path for allowing air to flow between the cooling space (1013) where the refrigerant evaporator is placed and the ice storage space (1012) where the ice bank (130) is placed.
  • the above fan bracket (118) may be formed integrally with the inner cover (111), or may be detachably coupled to the inner cover (111).
  • an evaporator fan (260) may be placed on the upper side of the refrigerated evaporator (253). Then, the evaporator fan (260) sucks in air from the side of the refrigerated evaporator (253) and creates a flow of air from the lower side to the upper side. Then, the cold air that has passed through the refrigerated evaporator (253) is supplied to the upper side of the ice storage space (1012) through the evaporator fan (260), and accordingly, the ice stored in the ice storage space (1012) can be stored at a sub-zero temperature by the cold air.
  • an evaporator fan (260) is installed at the top of the refrigerated evaporator (253) to pull up the cold air generated in the refrigerated evaporator and supply it to the upper part of the ice storage space (1012).
  • Figure 7 is a perspective view showing a part of a refrigerant compression cycle device according to one embodiment of the present invention.
  • the refrigerant compression cycle device (200) of the present invention includes an ice evaporator (252) having a plurality of fingers (252a) immersed in an ice tray (120), a refrigerant evaporator (253) having a plurality of heat exchange fins (2531) and having a heat absorption function, and an accumulator (2924).
  • a separate heater (2532) for defrosting may be installed on the heat exchange fins (2531) of the refrigerant evaporator (253).
  • the refrigerant pipe may include a refrigerant pipe (2921) that supplies refrigerant to the ice-making evaporator (252), a refrigerant pipe (2922) that supplies refrigerant that has passed through the ice-making evaporator (252) to the freezing evaporator (253), and a refrigerant pipe (2923) that supplies refrigerant that has passed through the freezing evaporator (253) to the compressor side.
  • a refrigerant pipe (2921) that supplies refrigerant to the ice-making evaporator (252
  • a refrigerant pipe (2922) that supplies refrigerant that has passed through the ice-making evaporator (252) to the freezing evaporator (253
  • a refrigerant pipe (2923) that supplies refrigerant that has passed through the freezing evaporator (253) to the compressor side.
  • a freezing evaporator (253) is installed inside the body (101) so that ice stored in the ice bank (130) can be frozen and stored.
  • an evaporator fan (260) was installed on the upper side of the refrigerated evaporator (253) to form cold air flow.
  • the control unit of the present invention detects the opening of at least one of the cover part (102) or the inner cover (103), and controls the operation of the evaporator fan (260) depending on whether the cover part (102) or the inner cover (103) is opened.
  • the operation of the evaporator fan (260) is controlled to stop in order to prevent cold air from leaking, and when the cover part (102) is coupled to the body part (101) and the upper part of the body part (101) is closed, the evaporator fan (260) is controlled to operate again, so that the evaporator fan (260) can be controlled to operate only when the cover part (102) is coupled to the body part (101).
  • control unit controls the evaporator fan (260) to rotate at a second speed lower than the first speed, and when the cover part (102) is coupled to the body part (101), the control unit controls the evaporator fan (260) to rotate at the first speed again.
  • the upper side of the ice bank (130) is open, and the ice bank (130) is placed inside the body part (101).
  • the ice bank (130) is placed inside the inner cover (111) that constitutes the body part (101).
  • control unit can detect whether the top cover forming the upper surface of the main body (10) is open, and control the operation of the evaporator fan (260) depending on whether the top cover is open.
  • the evaporator fan (260) can be controlled to stop or the evaporator fan (260) can be controlled to rotate at a low speed.
  • the evaporator fan (260) that has stopped can be controlled to operate again, or the evaporator fan (260) that is operating at low speed can be controlled to rotate at high speed.
  • control unit of the present invention can control the evaporator fan (260) to stop or control the rotation speed of the evaporator fan (260) to decrease when the opening of any one selected component covering the upper side of the ice bank (130) is detected.
  • a detection means (180) that detects whether the cover part (102), inner cover (103), or top cover is separated may be installed.
  • the above detection means (180) is connected to the control unit and can detect whether the cover unit (102) is separated from the ice bank (130).
  • the cover part (102) is separated from the body part (101), the upper side of the ice bank (130) can be seen as open.
  • the detection means (180) detects this and sends a signal to the control part.
  • control unit controls the evaporator fan (260) to stop or to lower the rotation speed of the evaporator fan (260).
  • the above detection means (180) may include various known sensors of different structures.
  • the detection means (180) may be composed of a magnet (181) installed on one side of the cover portion (102) and a reed switch (182) installed on one side of the body portion (101) to detect the magnet (181).
  • cover part (102) may be fixed to the upper side of the body part (101) using a magnet.
  • a magnet may be formed on the inner cover or on the top cover forming the upper surface of the water purifier body.
  • a detection unit installed on one side of the body part (101) detects this, and the control unit can control the operation of the evaporator fan (260) to stop or control the evaporator fan (260) to operate at a low speed.
  • the control unit detects this and controls the first motor to return the ice-making tray (120) from the open position (ice-freezing position) to the closed position (ice-freezing position) for the protection and safety of the parts.
  • the reed switch (182) can detect whether the cover part (102) or the top cover or the inner cover is open or closed by detecting a magnetic field and a magnet provided in the cover part (102) or a magnet provided in the top cover or a magnet provided in the inner cover.
  • the control unit can control the operation of at least one of the evaporator fan and the condenser fan to stop, or control the rotation speed (rpm) of at least one of the fans to decrease.
  • the reed switch may be installed in front of the ice making unit (110), or may be installed on both sides of the ice making unit (110) or at the rear of the ice making unit (110).
  • the reed switch may be installed not only in the ice making unit (110), but also in the dispenser unit (150), ice bank (130), etc.
  • the above ice bank (130) is placed relatively forward with respect to the center of the ice making unit (110), and the above refrigeration evaporator (253) is placed relatively rearward.
  • the evaporator fan (260) may be placed between the ice bank (130) and the refrigeration evaporator (253).
  • the evaporator fan (260) generates flow from rear to front.
  • the cold air from the rear refrigeration evaporator (253) can be supplied to the front ice bank (130) after passing through the evaporator fan (260).
  • the lower end of the above evaporator fan (260) may be located higher than the upper end of the above refrigerated evaporator (253).
  • cold air tends to gather downwards, and if cold air only gathers downwards, it is difficult to create a flow of cold air.
  • the cold air gathered at the bottom is forced to flow from the bottom to the top by the evaporator fan (260), and then the cold air is supplied to the top of the ice bank (130).
  • the cold air is supplied to the top of the ice bank (130)
  • due to the nature of the cold air it flows downward, and as the cold air flows from the top to the bottom, it can pass through the ice stored in the ice bank (130) and cool the ice without melting it.
  • the above ice bank (130) can be formed so that the bottom surface (132) slopes downward from one side to the other.
  • the bottom surface (132) of the ice bank (130) is arranged to slope downward as described above, the ice inside the ice bank (130) is not dispersed, but gathers at the bottom of the other side of the ice bank (130) along the downward sloped bottom surface (132).
  • the temperature of the lower side is maintained lower than that of the upper side, so that the ice inside the ice bank (130) can be stored more coldly.
  • the ice inside the ice bank (130) can be stored more coldly due to the low temperature of the refrigeration evaporator (253).
  • the cold air of the ice bank (130) flows from front to rear along the slope of the bottom surface (132) and cools the ice stored in the ice bank (130) so that it does not melt. And, the cold air that flows from front to rear along the slope of the bottom surface (132) flows again toward the refrigeration evaporator (253).
  • cold air can be supplied to the ice bank (130) from the top of the ice bank (130), and cold air from the ice bank (130) can be discharged from the bottom of the ice bank (130).
  • the cold air supplied to the ice bank (130) flows from the top to the bottom, so that the ice stored in the ice bank (130) can be cooled evenly throughout.
  • the cold air of the refrigerated evaporator (253) flows upward by the suction force of the evaporator fan (260), passes through the evaporator fan (260), and the cold air discharged from the evaporator fan (260) passes through the ventilation hole (118a) of the fan bracket (118), and is then supplied to the internal space of the ice bank (130).
  • the cold air of the ice bank (130) flows downward to the refrigeration evaporator (253) by the suction force of the evaporator fan (260).
  • a passage (118b) is formed on the lower side of the fan bracket (118) to allow cold air from the ice bank (130) to flow toward the refrigeration evaporator (253).
  • the cold air flowing downward through the passage (118b) to the refrigerated evaporator (253) flows upward by the suction force of the evaporator fan (260), becomes colder as it passes through the refrigerated evaporator (253), and is supplied to the internal space of the ice bank (130) by passing through the evaporator fan (260) and the ventilation hole (118a) again.
  • a compressor (210), a condenser (220), a condenser fan (280), etc. may be installed in the lower space of the above-mentioned storage space (1012) and cooling space (1013), and the condenser fan (280) may generate air flow so that air is discharged to the rear of the main body.
  • Fig. 8 is a side view of the interior of the water discharge device of the present invention.
  • Fig. 9 is a longitudinal cross-sectional view of the ice-making means and the cold water tank, which are the main components of the present invention.
  • Fig. 10 is an enlarged view of a portion of Fig. 9.
  • the cold water tank (160) and cold water evaporator (251) can also be placed on the inside of the body part (101).
  • a separate cold water tank (160) installation space can be formed at the rear of the body part (101).
  • the cold water tank (160) may be installed between the inner cover (111) and the outer cover (112).
  • the cold water tank (160) may be positioned adjacent to the ice evaporator (252) and the freezing evaporator (253) to facilitate installation of refrigerant pipes.
  • An installation space is formed between the rear surface of the inner cover (111) and the rear surface of the outer cover (112), and the cold water tank (160) can be installed in the installation space between the rear surface of the inner cover (111) and the rear surface of the outer cover (112).
  • the above outer cover (112) can form a cold water tank cover portion (1121) that covers the cold water tank (160) at the rear end.
  • the outer cover (112) can be covered by a housing.
  • the lower surface of the outer cover (112) may be covered by the rear cover (12) of the housing.
  • the upper part of the rear cover (12) forms a horizontal cover extending forward, and the horizontal cover can cover the upper part of the cold water tank (160).
  • the top cover forming the upper surface of the main body (10) can cover the horizontal cover.
  • a control unit (80) can be accommodated between one side of the outer cover (112) and the housing.
  • a receiving groove that is concave inward is formed on the side of the outer cover (112), and at least a part of the control unit (80) can be received in the receiving groove.
  • a hot water module (70) that generates hot water can be placed between the lower side of one side of the outer cover (112) and the housing.
  • the above housing may include a front panel (13) forming the front of the main body (10).
  • the cold water tank (160) when the cold water tank (160) is installed between the inner cover (111) and the outer cover (112), and insulation is foamed between the inner cover (111) and the outer cover (112), the cold water tank (160) can be automatically insulated.
  • the above cold water tank (160) forms a space where cooling water is stored.
  • An insulating material may be formed on the outer surface of the cold water tank (160) to insulate the cooling water from the outside air.
  • a drain pipe (1602) for discharging cooling water is formed at the bottom of the cold water tank (160), and a drain valve (161) for closing the drain pipe (1602) is installed in the drain pipe (1602).
  • it further includes a cold water pipe (162) accommodated inside the cold water tank (160) and through which drinking water flows, a partition member (163) placed on the upper side of the cold water pipe (162) inside the cold water tank (160), a cold water evaporator (251) placed on the upper side of the partition member (163), and a stirring member (164) placed on the inner side of the cold water pipe (162) penetrating the partition member (163) and having a plurality of blades at the lower end.
  • a cold water pipe (162) accommodated inside the cold water tank (160) and through which drinking water flows
  • a partition member (163) placed on the upper side of the cold water pipe (162) inside the cold water tank (160)
  • a cold water evaporator 251 placed on the upper side of the partition member (163)
  • a stirring member (164) placed on the inner side of the cold water pipe (162) penetrating the partition member (163) and having a plurality of blades at the lower end.
  • the above partition member (163) is placed horizontally, at least in part, in the transverse direction of the cold water tank (160), thereby dividing the internal space of the cold water tank (160) into an upper space where the cold water evaporator (251) is placed, and a lower space where the cold water pipe (162) is placed.
  • a plurality of grid ribs are formed in the partition member (163), so that the cooling water on the upper side of the partition member (163) and the cooling water on the lower side of the partition member (163) can circulate by the operation of the stirring member (164).
  • the cold water evaporator (251) is provided in a form that is wound multiple times on the upper side of the partition member (163).
  • a plurality of grid ribs are formed on the partition member (163), which functions to block ice formed around the cold water evaporator (251) from flowing into the lower space of the partition member (163) where the cold water pipe (162) is accommodated.
  • the stirring member (164) penetrates the partition member (163) and is placed on the inside of the cold water pipe (162).
  • the cold water pipe (162) may be formed into a cylindrical shape having a predetermined length and diameter by being wound in a spiral shape as shown.
  • the cold water tank (160) further includes a tank cover (165) covering the open top of the cold water tank (160), a stirring motor (167) mounted on the upper surface of the tank cover (165), and an insulating cover (166) covering the top of the tank cover (165).
  • the rotation axis of the stirring motor (167) extends through the center of the tank cover (165) into the cold water tank (160), and the upper end of the stirring member (164) is connected to the rotation axis of the stirring motor (167).
  • a space (S2) is formed between the rear surface of the inner cover (111) and the rear surface of the outer cover (112).
  • the cold water tank (160) can be accommodated in the above installation space (S2).
  • a connecting frame (111a) extending rearward may be formed at the upper end of the rear surface of the inner cover (111).
  • the above connecting frame (111a) can form a rectangular frame when viewed from above.
  • the cold water tank (160) has an open upper side and its upper end can form a square shape.
  • the cold water tank is described as having an overall box shape and the connecting frame (111a) forms a rectangular frame, but the scope of the present invention is not limited thereto, and the cross-section of the cold water tank and the connecting frame may be provided in various shapes, including circular, semicircular, etc.
  • a rib groove (1601) may be formed along the circumference of the upper portion of the cold water tank (160).
  • the lower part of the above connecting frame (111a) can be accommodated in the rib home (1601).
  • the above rib home (1601) can be formed concavely from the top to the bottom.
  • the above rib home (1601) can be defined by an extension rib (1603) that extends horizontally outward along the perimeter of the upper portion of the cold water tank (160) and then extends upward.
  • a sealing member (169) can be fitted between the lower part of the above connecting frame (111a) and the rib home (1601).
  • the above sealing member (169) can be formed along the circumference of the upper part of the connecting frame (111a) and the cold water tank (160).
  • the above sealing member (169) can form a concave groove from the bottom to the top.
  • extension rib (1603) can be accommodated in the groove of the sealing member (169).
  • the above connecting frame (111a) forms a central hollow (111b).
  • connecting frame (111a) can form a concave groove (111b) from the lower side to the upper side.
  • extension rib (1603) and sealing member (169) can be accommodated in the groove (111b).
  • Figure 11 is an exploded perspective view of the main components of the present invention, namely, the ice-making means and the cold water tank.
  • a vacuum insulation panel (113) can be attached to the inner bottom surface of the inclined shape of the outer cover (112), the outer rear surface of the inner cover (111), and the inner rear surface of the outer cover (112).
  • vacuum insulation panels (113) may be attached to the inner side of both sides of the outer cover (112).
  • Figure 12 is an exploded perspective view of the inner cover and cold water tank, which are the main components of the present invention.
  • Figure 13 is a side view of the inner cover and cold water tank, which are the main components of the present invention, combined.
  • a hole-shaped water level sensor mounting portion (1604) and a temperature sensor mounting portion (1603) can be formed on the side of the cold water tank (160).
  • a water level sensor (1611, see FIG. 8) for detecting the full water level of the cold water tank (160) and a temperature sensor (1612, see FIG. 8) for measuring the temperature of the cooling water in the cold water tank (160) can be installed in a water level sensor mounting portion (1604) and a temperature sensor mounting portion (1603) while being inserted horizontally from the side of the cold water tank (160), respectively.
  • the above water level sensor mounting portion (1604) may be located above the temperature sensor mounting portion (1603).
  • a water level sensor (1611, see FIG. 8) that detects the full water level of the cold water tank (160) and a temperature sensor (1612, see FIG. 8) that measures the temperature of the cooling water inside the cold water tank (160) are placed on the inside of the cold water tank (160), and the other side can be exposed to the outside of the cold water tank (160) and the outside of the outer cover (112).
  • the cold water generation capacity can be adjusted according to the amount of coolant.
  • the coolant level sensor (1611) detects the coolant full level, and the user can check whether the coolant is full.
  • the above water level sensor (1611) and temperature sensor (1612) can penetrate the cold water tank (160) while being inserted horizontally.
  • the water level sensor (1611) and temperature sensor (1612) may be coupled so as to slope upward from the inside to the outside of the cold water tank (160).
  • the water level sensor mounting portion (1604) and the temperature sensor mounting portion (1603) may be formed to slope upward from the inside to the outside of the cold water tank (160).
  • a first heater (191) is provided to prevent water drained from the inner cover (111) to the drain tank (170) from freezing.
  • a refrigerated evaporator (253) may be positioned above the drain pipe (119). During defrosting operation, frost formed in the refrigerated evaporator melts to generate defrost water, and the generated defrost water may be discharged to the outside of the inner cover (111) through the drain pipe (119).
  • the first heater (191) can be placed adjacent to the drain pipe (119).
  • the first heater (191) can be fixed to the surface on which the drain pipe (119) is formed on the inner cover (111).
  • the above first heater (191) may be provided on the lower surface of the inner cover (111).
  • the first heater (191) may be provided as a line heater such as a heating wire.
  • the first heater (191) may be provided as a surface heater. If the first heater (191) is provided as a surface heater, the first heater (191) may be attached to surround the outer surface of the lower part of the inner cover (111).
  • the first heater (191) can be fixed to the outer surface of the inner cover (111), particularly a part of the bottom or side.
  • first heater (191) can be attached to the outer surface of the inner cover (111) using aluminum tape or the like.
  • the first heater (191) is provided on the outer surface of the inner cover (111), particularly on the bottom surface and side surface adjacent to and facing the drain tank (170), water flowing from the inner cover (111) to the drain tank (170) can be drained to the drain tank (170) in a liquid state without freezing.
  • Ice is stored on the inside of the inner cover (111) under sub-zero conditions.
  • the ice residue remains in the inner cover (111) and freezes, and tangles with the ice stored in the inner cover (111), resulting in a situation where the ice cannot be used.
  • a first heater (191) is provided at the lower part of the inner cover (111) to prevent water passing through the lower part of the inner cover (111) that maintains a sub-zero temperature from freezing during the draining process.
  • first heater (191) may be attached to the outer surface of the drain pipe (119) connecting the inner cover (111) and the drain tank (170).
  • a drain tank (170) is arranged at the bottom of the inner cover (111), and the first heater (191) may be provided between the bottom of the inner cover (111) and the drain tank (170).
  • the above first heater (191) can be formed in a zigzag shape.
  • the above first heater (191) may be provided as a surface heater.
  • control unit turns the first heater (191) on and off.
  • control unit can control the first heater (191) to turn on and off according to the temperature of the inner cover (111) or drain pipe (119) detected by placing a separate temperature sensor on the inner cover (111) or drain pipe (119).
  • control unit can control the first heater (191) to be turned on while ice making is in progress.
  • control unit can control the first heater (191) to be turned off when ice making is completed.
  • control unit can control the first heater (191) to be turned on when the freezing evaporator (253) or the ice-making evaporator (252) is in operation, and can control the first heater (191) to be turned off when the freezing evaporator (253) or the ice-making evaporator (252) is stopped from operating.
  • control unit can control the first heater (191) to be turned off when the cover unit (102) is opened.
  • a second heater (192) may be provided along the upper perimeter of the inner cover (111).
  • the above second heater (191) may also be provided between the upper part of the inner cover (111) and the cold water tank (160).
  • the above second heater (192) may be provided as a heating wire or surface heater.
  • a separate second heater (192) may be provided around the upper perimeter of the inner cover (111) and between the upper portion of the inner cover (111) and the cold water tank (160).
  • the ice-making space (1011) is a space where the ice-making evaporator (252) is placed
  • the ice storage space (1012) is a space where the ice is stored
  • the cooling space (1013) is a space where the refrigeration evaporator (253) that generates cold air so that the ice stored in the ice storage space (1012) is stored at a sub-zero temperature is placed.
  • the inner side of the ice making unit (110), specifically the inner space of the body part (101), is maintained at a temperature below zero.
  • the outer side of the body part (101) is at room temperature, condensation may occur at the boundary between the body part (101) and the cover part (102) due to the temperature difference.
  • a second heater (192) can be installed at the boundary between the body portion (101) and the cover portion (102).
  • the second heater (192) may be provided as a line heater including a heating wire.
  • the second heater (192) may be provided as a surface heater.
  • the above second heater (192) can be formed anywhere on the upper part of the body part (101) or the lower part of the cover part (102).
  • the second heater (192) can be formed on the inner cover (111) as well as the outer cover (112).
  • the second heater (192) is provided at the upper part of the body part (101) as described above, the problem of condensation occurring at the upper part of the body part (101) where the cover part (102) and the body part (101) are joined due to cold air inside the body part (101) can be solved.
  • the second heater (192) may be formed anywhere in the insulating space between the inner cover (111) and the outer cover (112), and its position may be fixed by an insulating layer.
  • a cold water tank (160) or a drain tank (170) may be placed in the insulating space between the inner cover (111) and the outer cover (112).
  • the foam insulation can be formed to surround at least a portion of the cold water tank (160) or drain tank (170).
  • various panels are arranged on the outside of the outer cover (112), and the outer case of the water discharge device is formed by combining the various panels.
  • An air layer is formed between the outer cover (112) and the outer case.
  • control unit turns the second heater (192) on and off.
  • control unit can control the second heater (192) to be turned on and off according to the temperature of the body (101) detected by placing a separate temperature sensor in the body (101).
  • control unit can control the second heater (192) to be turned on while ice making is in progress.
  • control unit can control the second heater (192) to be turned off when ice making is finished.
  • control unit can control the second heater (192) to be turned on when the freezing evaporator (253) or the ice-making evaporator (252) is in operation, and can control the second heater (192) to be turned off when the freezing evaporator (253) or the ice-making evaporator (252) is stopped from operating.
  • control unit can control the second heater (192) to be turned off when the cover unit (102) is opened.
  • the cold water tank (160) may be located above the drain tank (170).
  • the above drain tank (170) may be formed to protrude further rearward than the inner cover (111).
  • the upper space of the drain tank (170) may be an empty space, and a cold water tank (160) may be installed in the upper space of the drain tank (170) to increase space utilization.
  • the shortest distance (D1) between the lower end of the cold water tank (160) and the inner cover may be formed to be greater than the shortest distance (D2) between the upper end of the cold water tank (160) and the inner cover (111). (i.e., D1>D2)
  • the shortest distance between the cold water tank (160) and the inner cover (111) can be formed to gradually widen from the top to the bottom.
  • the insulation material is foam-injected, and the insulation material can be injected from the upper side to the lower side of the outer cover (112).
  • the initial pressure is strong when injected, and the initial fluidity is good.
  • the shortest distance between the cold water tank (160) and the inner cover (111) should be formed to become wider from the top to the bottom so that the flow of the foaming liquid improves, and the foaming liquid can be evenly injected between the cold water tank (160) and the inner cover (111), between the cold water tank (160) and the outer cover (112), and between the inner cover (111) and the outer cover (112).
  • a mounting portion (111c) may be formed on the upper side of one side of the connecting frame (111a) to form a concave mounting groove from the upper side to the lower side so that a refrigerant pipe, a water purification channel, a cold water channel, etc. extending toward the cold water tank (160) are mounted.
  • the above connecting frame (111a) extends rearward from the top of the inner cover (111) so that the rear surface (1112) of the inner cover (111) and the cold water tank (160) are spaced apart from each other and can form a bridge (111d) connecting the top of the inner cover (111) and the top of the connecting frame (111a).
  • a cold water tank (160) may be placed at the lower portion of the connecting frame (111a), and a tank cover (165) covering the open upper portion of the cold water tank (160), a stirring motor (167) mounted on the upper surface of the tank cover (165), and an insulating cover (166) covering the upper portion of the tank cover (165) may be placed at the upper portion of the connecting frame (111a).
  • the above connecting frame (111a) includes a first extension portion extending rearward from the rear of the inner cover (111).
  • It may include a second extension portion extending rearward from one side of the first extension portion, a third extension portion extending by being bent in the other direction from the second extension portion, and a fourth extension portion extending by being bent again from the third extension portion toward the first extension portion.
  • the second extension portion and the second extension portion can be formed at a position spaced downward from the top of the inner cover (111).
  • the vertical thickness of the second extension portion and the third extension portion may be formed thinner than the vertical thickness of the first extension portion and the fourth extension portion.
  • the upper ends of the first extension portion and the fourth extension portion may be formed at the same or similar height as the upper end of the inner cover.
  • the lower ends of the first extension, second extension, third extension, and fourth extension can be formed at the same height.
  • the upper part of the above cold water tank (160) and the above connecting frame (111a) can be connected to each other through a fastening means such as a screw.
  • an insulating cover (166) may be placed on the upper part of the second extension portion and the third extension portion.
  • Figure 14 is a plan view showing the process of assembling a tank cover and an insulation cover to a cold water tank.
  • the rear space of the outer cover (112) is formed as a space in which the cold water tank (160) is placed.
  • the outer cover (112) is formed so that one corner of the rear side (right side in the drawing) is concave inward.
  • a pipe space (1123) is formed on one side of the rear of the outer cover (112).
  • the above pipe space (1123) is used as a space where various pipes are arranged.
  • it can be used as a space where cold water pipes, water purification pipes, and refrigerant pipes are placed or pass through.
  • a dispenser unit (150) is placed in front of the inner cover (111) and the outer cover (112).
  • a cold water tank (160) is placed at the rear of the inner cover (111).
  • the outer cover (112) covers the inner cover (111) and the cold water tank (112).
  • the upper part of the cold water tank (112) is open, and the open upper part of the cold water tank (160) is covered by a tank cover (165).
  • the cold water tank (160) is accommodated on the inside of the outer cover (112) and can be insulated by an insulating material.
  • the outer cover (1120) is exposed to the outside, and in order to insulate the tank cover (165), an insulating cover (166) that covers the top of the tank cover (165) is provided separately.
  • the cold water tank (160) is placed on the outer rear of the inner cover (111) that functions as a low-freezing tank.
  • the above cold water tank (160) is fixed to a connecting frame (111a) extended to the lower part of the inner cover (111).
  • a vacuum insulation panel is attached to the outer surface of the inner cover (111) and the inner surface of the outer cover (112), and a foaming liquid is injected between the inner cover (111) and the outer cover (112).
  • a vacuum insulation panel is attached to the rear outer side of the inner cover (111) facing the cold water tank (160), and a vacuum insulation panel is attached to the rear inner side of the outer cover (112) facing the cold water tank (160), and then a foaming liquid is injected between the inner cover (111) and the outer cover (112).
  • the foaming liquid is injected between the cold water tank (160) and the inner cover (111), as well as between the cold water tank (160) and the outer cover (112).

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Production, Working, Storing, Or Distribution Of Ice (AREA)

Abstract

Un appareil de distribution d'eau de la présente invention comprend : une unité de filtre pour recevoir de l'eau brute et éliminer des substances étrangères ; un plateau de fabrication de glace rempli d'eau purifiée générée par l'unité de filtre ; un couvercle interne dans lequel un banc de glace est disposé au-dessous du plateau de fabrication de glace de sorte que la glace générée dans le plateau de fabrication de glace est libérée et stockée ; des couvercles externes pour recouvrir le côté externe du couvercle interne ; et un moyen de refroidissement qui refroidit l'eau purifiée générée par l'unité de filtre de façon à générer de l'eau froide, et qui comprend un réservoir d'eau froide, un compresseur, un condenseur, un tube capillaire et un évaporateur qui sont disposés entre le couvercle interne et les couvercles externes.
PCT/KR2025/006795 2024-05-17 2025-05-19 Appareil de distribution d'eau Pending WO2025239744A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2024-0064720 2024-05-17
KR1020240064720A KR20250165100A (ko) 2024-05-17 2024-05-17 출수장치

Publications (1)

Publication Number Publication Date
WO2025239744A1 true WO2025239744A1 (fr) 2025-11-20

Family

ID=97720491

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2025/006795 Pending WO2025239744A1 (fr) 2024-05-17 2025-05-19 Appareil de distribution d'eau

Country Status (2)

Country Link
KR (1) KR20250165100A (fr)
WO (1) WO2025239744A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200307021Y1 (ko) * 2002-12-13 2003-03-12 임명호 장식얼음 제조장치
KR20130021257A (ko) * 2011-08-22 2013-03-05 엘지전자 주식회사 제빙수단을 갖는 정수기
JP2014074548A (ja) * 2012-10-04 2014-04-24 Hoshizaki Electric Co Ltd 製氷機
KR20170056271A (ko) * 2015-11-13 2017-05-23 코웨이 주식회사 수처리장치
KR20210089537A (ko) * 2020-01-08 2021-07-16 주식회사 위니아전자 냉장고

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200307021Y1 (ko) * 2002-12-13 2003-03-12 임명호 장식얼음 제조장치
KR20130021257A (ko) * 2011-08-22 2013-03-05 엘지전자 주식회사 제빙수단을 갖는 정수기
JP2014074548A (ja) * 2012-10-04 2014-04-24 Hoshizaki Electric Co Ltd 製氷機
KR20170056271A (ko) * 2015-11-13 2017-05-23 코웨이 주식회사 수처리장치
KR20210089537A (ko) * 2020-01-08 2021-07-16 주식회사 위니아전자 냉장고

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KR20250165100A (ko) 2025-11-25

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