KR20160148336A - Ice making system of refrigerator and ice making method thereof - Google Patents

Ice making system of refrigerator and ice making method thereof Download PDF

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Publication number
KR20160148336A
KR20160148336A KR1020150085275A KR20150085275A KR20160148336A KR 20160148336 A KR20160148336 A KR 20160148336A KR 1020150085275 A KR1020150085275 A KR 1020150085275A KR 20150085275 A KR20150085275 A KR 20150085275A KR 20160148336 A KR20160148336 A KR 20160148336A
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KR
South Korea
Prior art keywords
cooling duct
opening
ice
air
cool air
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KR1020150085275A
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Korean (ko)
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KR101715804B1 (en
Inventor
구민본
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동부대우전자 주식회사
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Priority to KR1020150085275A priority Critical patent/KR101715804B1/en
Publication of KR20160148336A publication Critical patent/KR20160148336A/en
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Publication of KR101715804B1 publication Critical patent/KR101715804B1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/006Self-contained movable devices, e.g. domestic refrigerators with cold storage accumulators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25CPRODUCING, WORKING OR HANDLING ICE
    • F25C1/00Producing ice
    • F25C1/04Producing ice by using stationary moulds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25CPRODUCING, WORKING OR HANDLING ICE
    • F25C1/00Producing ice
    • F25C1/22Construction of moulds; Filling devices for moulds
    • F25C1/24Construction of moulds; Filling devices for moulds for refrigerators, e.g. freezing trays
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25CPRODUCING, WORKING OR HANDLING ICE
    • F25C5/00Working or handling ice
    • F25C5/18Storing ice
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25CPRODUCING, WORKING OR HANDLING ICE
    • F25C5/00Working or handling ice
    • F25C5/20Distributing ice
    • F25C5/22Distributing ice particularly adapted for household refrigerators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/08Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06Removing frost
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06Removing frost
    • F25D21/08Removing frost by electric heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06Removing frost
    • F25D21/12Removing frost by hot-fluid circulating system separate from the refrigerant system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14Collecting or removing condensed and defrost water; Drip trays
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D23/00General constructional features
    • F25D23/02Doors; Covers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D23/00General constructional features
    • F25D23/02Doors; Covers
    • F25D23/028Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25CPRODUCING, WORKING OR HANDLING ICE
    • F25C2400/00Auxiliary features or devices for producing, working or handling ice
    • F25C2400/10Refrigerator units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F25D11/022Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D2317/00Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/062Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation along the inside of doors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances
    • Y02B40/30Technologies aiming at improving the efficiency of home appliances relating to refrigerators or freezers

Abstract

An ice-making system and an ice-making method of a refrigerator are introduced.
The ice making system of the refrigerator includes a freezing portion for generating ice, a cold generating portion for cooling the air in the cooling duct to generate cool air, a cool air generating portion for introducing cool air in the cool generating portion into the freezing portion, A circulation unit for discharging the cold air to the cool air generating unit, and an opening / closing unit for selectively discharging the purified water generated in the cooling duct to the outside.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an icemaking system and an icemaking method for a refrigerator,

The present invention relates to an ice making system and an ice making method of a refrigerator.

A refrigerator is a device intended for low-temperature storage of food, and can be configured to refrigerate or store food according to the type of food to be stored.

The inside of the refrigerator is cooled by the continuously supplied cool air, and the cool air is continuously generated by the heat exchange function of the refrigerant by the refrigeration cycle through the process of compression-condensation-expansion-evaporation. The cold air supplied to the inside of the refrigerator is uniformly transferred to the inside of the refrigerator by the convection so that the food inside the refrigerator can be stored at a desired temperature.

Generally, the refrigerator body is in the form of a rectangular parallelepiped having an open front, and a refrigerator compartment and a freezer compartment may be provided inside the refrigerator body. In addition, a refrigerator compartment door and a freezer compartment door may be provided on the front surface of the main body for selectively shielding the opening, and a plurality of drawers, a shelf and a storage compartment Box or the like may be provided.

Conventionally, a top mount type refrigerator in which a freezing compartment is located on the upper side and a refrigerating compartment is located on the lower side has been the mainstream. In recent years, however, a bottom freeze type refrigerator Is also being released. Here, in the case of the bottom freeze type refrigerator, a frequently used refrigerator room is located on the upper side, and a relatively less used freezer room is located on the lower side, so that the user can conveniently use the refrigerator room. However, since the bottom freeze-type refrigerator has the freezing chamber located on the lower side, it is inconvenient for the user to bend the waist to open the freezing chamber door and take out the ice to take out the ice.

In order to solve this problem, a refrigerator has been recently provided with a dispenser for taking out ice from the refrigerator compartment door located above the bottom freeze type refrigerator. In this case, an ice maker for generating ice may be provided in the refrigerator compartment door or the refrigerating compartment.

For example, in the bottom freeze type refrigerator in which the ice maker is installed in the refrigerator compartment door, air (cool air) cooled by the evaporator is branched and discharged to the freezer compartment and the refrigerating compartment. The cool air discharged to the freezer compartment flows to the ice maker along the cool air supply duct embedded in the side wall of the refrigerator, and then dehydrates while flowing inside the ice maker. Then, the cool air in the ice maker is discharged to the refrigerator through the cool air reducing duct embedded in the side wall of the refrigerator, thereby lowering the internal temperature of the refrigerator.

However, since the cold air on the side of the freezing chamber is used for the ice making device through the cold air supply duct and the cold air reducing duct for the ice making of ice in the ice maker, the cold air moves through the cold air supply duct and the cold reduction duct , The supply efficiency of the cool air may be reduced.

In addition, cold air may be generated in the cold air supply duct and the cold air reducing duct. If the air is not properly removed, it may be difficult for the cold air to be properly transmitted to the ice maker. As a result, There is a problem that the power consumption according to the present invention may be greatly increased.

Patent Document: Korean Published Patent Application No. 10-2005-0098135 (published on October 11, 2005)

Embodiments of the present invention provide an ice making system and an ice making method of a refrigerator which can directly use cool air cooled in a cooling duct to generate ice and can smoothly discharge defrost water generated in a cooling duct to the outside.

In addition, embodiments of the present invention provide an ice making system and an ice making method of a refrigerator that can block external hot air through an opening and closing part of a cooling duct and enhance the cooling efficiency by discharging defrost water generated in the inside of the refrigerator to the outside .

According to an aspect of the present invention, an ice making system for a refrigerator includes: a ice making part for generating ice; A cool air generating unit for cooling air in a cooling duct to generate cool air; A circulation unit for introducing cool air in the cool air generating unit into the freezing unit and discharging cool air in the freezing unit to the cool air generating unit; And an opening / closing part for selectively discharging the defrost water generated in the cooling duct to the outside.

At this time, the opening / closing part includes an opening cap provided at the lowermost part of the cooling duct so as to communicate with the cooling duct; And a cover connected to one side of the opening cap to open and close the opening cap by a load of the defrost water.

In addition, the present invention may further include a drain portion for discharging the defrost water passing through the opening / closing portion to the outside through a drain hose communicating with the opening / closing portion.

The opening / closing portion is provided at the lowermost portion of the cooling duct so as to communicate with the cooling duct, and is mounted on the upper end of the drain hose; And a cover connected to one side of the opening cap to open and close the opening cap by a load of the defrost water.

In addition, the opening and closing part may include an elastic member that can be restored to its original shape.

In addition, the opening cap may be provided with a locking protrusion protruding from the upper edge so as to overlap the edge of the cover.

Also, the cold air generating unit may include a cooling duct through which the cool air can move; An evaporation coil for heating the cooling duct to cool the air through heat exchange with the refrigerant; A compressor for converting the refrigerant discharged from the evaporation coil into a gaseous refrigerant of high temperature and high pressure; A condenser for converting the gaseous refrigerant into a liquid refrigerant at a high pressure; An expansion valve for decompressing the liquid refrigerant to provide the liquid refrigerant to the evaporation coil; And a heater that heats the property generated in the cooling duct to the dehydrated water.

The ice making part may include an ice making chamber for providing an ice making space; An ice maker for generating the ice using the cool air; And an ice bank for storing the ice.

In addition, the circulation unit may include an inlet formed on an upper side of the ice making unit such that cool air of the cooling duct flows into the ice making unit; A discharge port provided at a lower side of the ice making chamber so that the cool air in the ice making chamber is discharged to the cooling duct; And a circulation fan for moving the cool air from the inlet to the outlet.

In addition, the cooling duct is installed in the main body of the refrigerator, and the ice making part is installed in the refrigerator door of the refrigerator, and one end and the other end of the cooling duct are selectively communicated with the ice- have.

In addition, the evaporation coil has an evaporator function of a refrigeration cycle and can cool the cooling duct by conduction.

According to an aspect of the present invention, there is provided a method of making an ice in a refrigerator, comprising: cooling air through a cooling duct with cold air; Supplying the cold air to the ice making part for generating ice; Discharging the cool air in the ice making part to the cooling duct; Re-cooling the discharged cold air in the cooling duct; Heating the gasses generated in the cooling duct to the defrost water; And opening the opening / closing portion provided at the lowermost portion of the cooling duct; And discharging the purified water passing through the opening and closing part to the outside.

At this time, in the step of opening the opening / closing part provided at the lowermost part of the cooling duct, the cover of the opening / closing part can be opened by the load of the defrost water.

In addition, in the step of discharging the defrost water to the outside, the defrost water converged at the lowermost part of the cooling duct may be discharged to a defrosting tray provided in the machine room of the refrigerator.

The cooling of the air through the cooling duct may be performed by moving the air along the cooling channel of the cooling duct for a predetermined time to cool the air to a cool air of a predetermined temperature or lower.

Embodiments of the present invention are advantageous in that it is possible to remove the gasses generated in the cooling duct and smoothly discharge the defrost water generated upon removal of the duct.

In addition, the embodiments of the present invention have an advantage in that hot air outside is blocked through the opening and closing part of the cooling duct, and the defrost water generated in the inside of the refrigerator is discharged to the outside to improve the cooling efficiency

In addition, embodiments of the present invention have the advantage that the cooling efficiency of ice can be improved and the supply efficiency of cool air can be increased by generating ice using cool air directly cooled in the cooling duct.

In addition, since the circulation of the cold air is short between the cooling duct and the ice making space of the refrigerator door, the embodiments of the present invention enable the cooling air cooled in the lower portion of the refrigerator to move to the ice- There is an advantage that the loss can be effectively reduced and the power consumption due to the operation of the refrigerator can be reduced.

1 is a perspective view illustrating an ice making system of a refrigerator according to an embodiment of the present invention.
FIG. 2 is a state diagram showing a connection state between a freezing portion and a cooling duct of a cold-generating portion in an ice-making system of a refrigerator according to an embodiment of the present invention.
FIG. 3 is an internal configuration diagram illustrating an ice making system of a refrigerator according to an embodiment of the present invention.
4 is a block diagram illustrating a cool air generating unit in an ice making system for a refrigerator according to an embodiment of the present invention.
FIG. 5 is a perspective view illustrating an opening / closing part of an ice making system for a refrigerator according to an embodiment of the present invention.
Fig. 6 is a cross-sectional view cut along the "AA"
7 is a cross-sectional view showing an operating state of the opening and closing part in the "AA"
8 is a perspective view illustrating an opening and closing part of the ice making system of a refrigerator according to another embodiment of the present invention.
Fig. 9 is a cross-sectional view cut along the "BB"
FIG. 10 is a block diagram showing a method of making an ice in a refrigerator according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, configurations and operations according to embodiments of the present invention will be described in detail with reference to the accompanying drawings. DETAILED DESCRIPTION OF THE INVENTION The following description is one of many aspects of the claimed invention and the following description may form part of the detailed description of the invention. However, the detailed description of known configurations or functions in describing the present invention may be omitted for clarity.

While the invention is susceptible to various modifications and its various embodiments, it is intended to illustrate the specific embodiments and the detailed description. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

And terms including ordinals such as first, second, etc. may be used to describe various elements, but the constituent elements are not limited by such terms. These terms are used only to distinguish one component from another. It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise.

FIG. 1 is a perspective view illustrating an ice making system of a refrigerator according to an embodiment of the present invention. FIG. 2 is a perspective view illustrating a connection state between a freezing portion and a cooling duct of a freezing generating portion in the freezing device of a refrigerator according to an embodiment of the present invention. FIG. 3 is an internal configuration diagram of an ice making system for a refrigerator according to an embodiment of the present invention. Referring to FIG.

1 to 3, an ice making system for a refrigerator according to an embodiment of the present invention generates ice using cool air cooled in a cooling duct 210, It can be smoothly discharged to the outside.

The refrigerator 1 includes a main body 10 forming an outer appearance, a barrier 20 partitioning the inside of the main body 10 into a refrigerating chamber and a freezing chamber, A refrigerator compartment door 30 for selectively shielding the refrigerating compartment, and a freezing compartment door 40 for shielding the front opening of the freezing compartment. The refrigerator 1 according to the present embodiment is a bottom freeze type refrigerator in which a freezing chamber is located at a lower portion. However, the present invention is not limited thereto and the present invention can be applied to various types of refrigerators.

The ice making system may include a ice making unit 100, a cold generating unit 200, a circulating unit 300, a drainage unit 600, and an opening and closing unit 700.

Specifically, the ice-making unit 100 may be provided in the refrigerator-compartment door 30 to change the phase of water into ice using cold air. In the present embodiment, the ice-making unit 100 is provided on the upper portion of the refrigerator door 30, but this is merely an example, and the ice- It may be installed in another location.

The ice maker 100 may include an ice making chamber 110, an ice maker 120, and an ice bank 130.

The ice making chamber 110 may be provided inside the refrigerator door 30 to provide an ice making space 111 in which ice is generated. The ice maker 120 can cool water with ice using the cool air introduced into the ice making space 111, and take out the cooled ice to the ice bank 130. The ice bank 130 is located below the ice maker 120 where the ice is taken out. The ice bank 130 stores the ice taken out, and can provide ice to the user through a dispenser unit (not shown).

The circulation unit 300 may be configured to allow the cool air in the cool air generating unit 200 to flow into the ice making space 111 in the ice making unit 100 or to cool the ice in the ice making space 111, 200). For example, the circulation unit 300 includes an inlet 310 provided on the upper side of the ice-making unit 100 so as to face the first duct hole 212 of the cooling duct 210, A discharge port 320 provided at a lower side of the ice making chamber 110 so as to face the second duct hole 213 of the circulating fan 310 and a circulation fan 320 for moving the cold air from the inlet 310 to the outlet 320 330).

Accordingly, when the refrigerator door 30 is closed to the main body 10, the cool air in the cooling duct 210 flows through the first duct hole 212 to the inlet 310 of the ice- And the cold air introduced into the ice-making unit 100 is circulated in the ice-making space 111 by the operation of the circulation fan 330 and the water in the ice-making space 111 is ice- . The cool air in the ice making chamber 100 is discharged to the second duct hole 213 of the cooling duct 210 through the discharge port 320 and the cool air discharged from the ice making chamber 100 is cooled Cooled again in the duct 210, and then introduced into the inlet 310 of the ice-maker 100 again.

The drainage unit 600 can smoothly discharge the defrost water generated in the cooling duct 210 to the outside.

The drainage unit 600 may include a hollow drainage hose 610 through which the defrosted water can be moved and a defrosting tray 50 for converging the defrosted water discharged from the drainage hose 610 have. The drain hose 610 may be connected to the concave curved bottom of the cooling duct 210. At this time, the upper end of the drain hose 610 communicates with the lowermost part of the cooling duct 210, so that the defrost water discharged from the drain hose 610 can be discharged to the defrosting tray 50.

4 is a block diagram illustrating a cool air generating unit in an ice making system for a refrigerator according to an embodiment of the present invention.

As shown in FIG. 4, the cool air generating unit 200 can cool the air moving in the cooling duct 210 and provide the cooled cool air to the ice making unit 100. The cool air generating part 200 may be provided on the main body 10 of the refrigerator 1, more specifically on the side walls of the main body 10 and the lower part of the main body 10.

The cool air generating unit 200 includes a cooling duct 210 provided on a side wall of the main body so that the cool air can be moved, an evaporation coil 220 surrounding the outer surface of the cooling duct 210, A compressor 230 for converting the refrigerant discharged from the evaporation coil 220 into a gaseous refrigerant at a high temperature and a high pressure, a condenser 240 for phase-changing the gaseous refrigerant to liquid refrigerant at a high pressure, An expansion valve 250 provided to the evaporation coil 220, and a heater (not shown) heating the performance generated in the cooling duct 210 with dehydration water.

A first duct hole 212 is formed in the upper end of the cooling duct 210 so as to communicate with the inlet 310. A second duct hole 210 is formed in the lower end of the cooling duct 210, 213 may be formed. The heater may include a heat conductive tape surrounding the surface of the cooling duct 210 to provide a heat source to the cooling duct 210.

Since the refrigerant is heat-exchanged by the refrigeration cycle through the compression-condensation-expansion-evaporation process in the compressor 230, the condenser 240, the expansion valve 250, and the evaporation coil 220, The air in the cooling duct 210 can be cooled by the cool air through heat exchange with the refrigerant of the evaporation coil 220. Particularly, since the cooling passage has a sufficient length to cool the air by the cooling air, the air is cooled by the cooling air at a temperature (for example, below -14 degrees Celsius) .

The compressor 230, the condenser 240 and the expansion valve 250 may share a refrigeration cycle for providing the refrigerator to the refrigerator and the freezer of the refrigerator 1.

The cold air generating unit 200 includes a cooling duct 210, an evaporation coil 220, a compressor 230, a condenser 240, an expansion valve 250, an evaporator 260, a branch line 270, A control valve 280 may be included. The configuration of the cooling duct 210, the evaporation coil 220, the compressor 230, the condenser 240 and the expansion valve 250 is the same as that of the cooling duct 210, 220, the compressor 230, the condenser 240, and the expansion valve 250, detailed description thereof will be omitted.

However, the evaporator 260 is provided on the lower side of the main body 10, and can cool the air by the cool air through heat exchange with the refrigerant. At this time, the cooled cold air may be provided to the freezing room or the refrigerating room. The branch line 270 may divide the liquid refrigerant decompressed in the expansion valve 250 into the evaporation coil 220 or the evaporator 260. The control valve 280 is located at a branch point of the branch line 270 to selectively control the flow of the liquid coolant to the evaporation coil 220 or the evaporator 260 side.

The refrigerant is branched through the branch line 270 and then circulated in the refrigeration cycle consisting of the evaporation coil 220, the compressor 230, the condenser 240 and the expansion valve 250, The cooling air supplied to the ice-making unit 100 can be cooled. The refrigerant is branched through the branch line 270 and then circulated in the refrigeration cycle composed of the evaporator 260, the compressor 230, the condenser 240 and the expansion valve 250, And to cool the cold air provided in the freezing chamber.

FIG. 5 is a perspective view showing an opening and closing part of the ice making system of the refrigerator according to the embodiment of the present invention, FIG. 6 is a sectional view cut along the "AA" Sectional view showing the operating state of the opening and closing part in the front part.

As shown in FIGS. 5 to 7, the opening and closing part 700 can block hot air from the outside, selectively discharge the defrost water generated in the cooling duct 210 to the outside, So that the cooling efficiency can be improved.

The opening and closing part 700 includes an opening cap 710 provided at the lowermost part of the cooling duct 210 so as to communicate with the cooling duct 210 and a cover 720 connected to one side of the opening cap 710. [ ). The cover 720 can open the opening cap 710 due to the load of the defrost water. When the defrost water is discharged, the cover 720 returns to its original position by the elastic force and closes the opening cap 710 .

At this time, a predetermined gap may be formed between the inner diameter portion of the opening cap 710 and the outer diameter portion of the cover 720, and the gap is formed in the case where the cold air is cooled in the cooling duct 210, The cool air is not discharged through the gap. The gaps generated in the gaps may be changed into dehydrated water when the cooling duct 210 is heated by the heater.

In the present embodiment, the opening / closing part 700 is formed in a cap shape to be fitted in the drain hose 610, but is not limited thereto. The opening / closing part 700 may include an elastic member have.

The opening and closing part 700 may be formed in the form of a cap for opening and closing a hole communicating with the lowermost part of the cooling duct. For example, the opening / closing part 700 may be formed in the shape of an opening cap connected to the lowermost part of the cooling duct so as to selectively open / close the communication with the cooling duct due to the load of the defrost water . At this time, a drain hose may be selectively installed in the opening / closing part 700.

FIG. 8 is a perspective view showing an opening / closing part in an ice making system of a refrigerator according to another embodiment of the present invention, and FIG. 9 is a cross-sectional view cut along the line B-B in FIG.

8 to 9, in the opening cap 710 'of the opening / closing part 700' according to another embodiment of the present invention, a locking protrusion 711 protruding in the inner diameter direction from the upper edge may be provided have.

At this time, the edge of the cover 720 'may be positioned to overlap with the engagement protrusion 711 of the opening cap 710', and an accommodating space 712 'in which de- May be formed. The cover 720 'can open the opening cap 710' by the load of the defrost water when the defrost water is accommodated in the accommodation space 712 for a predetermined amount or more, The opening cap 710 'can be closed by returning to the original position by the elastic force.

As shown in FIG. 10, an ice making method of a refrigerator according to an aspect of the present invention includes: cooling (S100) air with cool air through a cooling duct; supplying cold air to a ice- (S300) of discharging the cold air in the ice making chamber to the cooling duct (S300), a step (S400) of re-cooling the discharged cold air in the cooling duct (S400), a step of heating the cold formed in the cooling duct (S600) of opening and closing the opening / closing part provided at the lowermost part of the cooling duct, and discharging the defrost water passing through the opening / closing part (S700) to the outside.

The step (S100) of cooling the air with the cooling air through the cooling duct can move the air in the cooling duct in which the evaporation coil is wound, so that the air can be cooled by the cooling air. At this time, since the air in the cooling duct moves while exchanging heat with the refrigerant of the evaporation coil for a predetermined time along the cooling channel, the air discharged from the cooling duct is cooled to a temperature (for example, minus 14 degrees or less) Of cooling air.

The step S200 of supplying cool air to the ice making section for generating the ice can supply the cool air cooled in the cooling duct to the ice making space of the ice making section through the inlet of the ice making section. The cool air introduced into the ice-making space can be circulated in the ice-making space by the operation of the circulation fan, and the water in the ice-making space can be ice-cooled.

In the step S300 of discharging the cold air in the ice-making section to the cooling duct, the cool air in the ice-making space may be discharged to the cooling duct through the outlet of the ice-making section.

In the step S400 of re-cooling the discharged cold air in the cooling duct, the cool air introduced into the cooling duct is moved again along the cooling channel of the cooling duct for a predetermined time, and cooled .

In the step S500 of heating the gasses generated in the cooling duct with the defrost water, the defroster generated in the cooling duct can be defrosted by operating the heater. At this time, the heater may be provided in the form of a heat transfer tape surrounding the surface of the evaporation coil, but not limited thereto, and various heat transfer means capable of heating the cooling duct may be used.

In the step (S600) of opening the opening / closing part provided at the lowermost part of the cooling duct, the cover of the opening / closing part can be opened by the load of the defrost water. When the defrost water is discharged through the opening cap of the opening and closing part, the cover is returned to its original position by the elastic force to close the opening cap.

The step of discharging the defrost water passing through the opening / closing part to the outside (S700) may discharge the defrost water generated in the removal of the defrost. The defrost water generated in the cooling duct may be discharged to a defrosting tray provided in the machine room of the refrigerator through a drain hose connected to the lowermost part of the cooling duct.

As described above, according to the present invention, it is possible to remove the gassing generated in the cooling duct, to smoothly discharge the defrost water generated during removal to the outside, and to generate ice using cool air directly cooled in the cooling duct The cooling efficiency of the ice and the supply efficiency of the cold air can be improved and the circulation of the cold air can be shortened between the cooling duct and the ice making space of the refrigerator door so that the loss of cold air can be effectively reduced, And power consumption can be reduced.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, You will understand. For example, a person skilled in the art can change the material, size and the like of each constituent element depending on the application field or can combine or substitute the embodiments in a form not clearly disclosed in the embodiments of the present invention, Of the range. Therefore, it should be understood that the above-described embodiments are to be considered in all respects as illustrative and not restrictive, and that such modified embodiments are included in the technical idea described in the claims of the present invention.

100: ice tray 110: ice tray
120: Ice maker 130: Ice bank
200: cold air generating unit 210: cooling duct
220: evaporation coil 230: compressor
240: condenser 250: expansion valve
300: circulation part 310: inlet
320: Outlet 330: Circulating fan
600: drainage part 610: drainage hose
700: opening and closing part 710: opening cap
720: cover

Claims (15)

  1. A freezing portion for generating ice;
    A cool air generating unit for cooling air in a cooling duct to generate cool air;
    A circulation unit for introducing cool air in the cool air generating unit into the freezing unit and discharging cool air in the freezing unit to the cool air generating unit; And
    And an opening / closing part for selectively discharging the defrost water generated in the cooling duct to the outside.
  2. The method according to claim 1,
    The opening /
    An opening cap provided at the lowermost part of the cooling duct to communicate with the cooling duct; And
    And a cover connected to one side of the opening cap to open and close the opening cap by a load of the defrost water.
  3. The method according to claim 1,
    The opening /
    An ice making system for a refrigerator comprising an elastic member capable of being restored to its original shape.
  4. The method according to claim 1,
    And a drain portion for discharging the defrost water passing through the opening / closing portion to the outside through a drain hose communicating with the opening / closing portion.
  5. 5. The method of claim 4,
    The opening /
    An opening cap provided at the lowermost portion of the cooling duct to communicate with the cooling duct, the opening cap being mounted on an upper end of the drain hose; And
    And a cover connected to one side of the opening cap to open and close the opening cap by a load of the defrost water.
  6. 6. The method of claim 5,
    The opening cap
    And a locking protrusion protruding from a top edge of the cover to overlap the edge of the cover.
  7. The method according to claim 1,
    The cold-
    A cooling duct through which the cool air can be moved;
    An evaporation coil for heating the cooling duct to cool the air through heat exchange with the refrigerant;
    A compressor for converting the refrigerant discharged from the evaporation coil into a gaseous refrigerant of high temperature and high pressure;
    A condenser for converting the gaseous refrigerant into a liquid refrigerant at a high pressure;
    An expansion valve for decompressing the liquid refrigerant to provide the liquid refrigerant to the evaporation coil; And
    And a heater for heating the property generated in the cooling duct to the defrost water.
  8. The method according to claim 1,
    The ice-
    An ice making chamber for providing an ice making space;
    An ice maker for generating the ice using the cool air; And
    And an ice bank for storing the ice.
  9. The method according to claim 1,
    The circulation unit
    An inlet port provided on an upper side of the ice making part so that cool air of the cooling duct flows into the ice making part;
    A discharge port provided at a lower side of the ice making chamber so that the cool air in the ice making chamber is discharged to the cooling duct; And
    And a circulation fan for moving the cool air from the inlet to the outlet.
  10. The method according to claim 1,
    Wherein the cooling duct is installed in a main body of a refrigerator, and the ice making part is installed in a refrigerator door of a refrigerator,
    Wherein one end of the cooling duct and the other end of the cooling duct are selectively in communication with the freezing portion according to opening and closing of the refrigerator compartment door.
  11. 8. The method of claim 7,
    The evaporation coil
    An icemaking system for a refrigerator having an evaporator function of a refrigeration cycle and cooling the cooling duct by conduction.
  12. Cooling the air through the cooling duct to cool air;
    Supplying the cold air to the ice making part for generating ice;
    Discharging the cool air in the ice making part to the cooling duct;
    Re-cooling the discharged cold air in the cooling duct;
    Heating the gasses generated in the cooling duct to the defrost water; And
    Opening an opening / closing portion provided at the lowermost part of the cooling duct; And
    And discharging the defrost water passing through the opening / closing unit to the outside.
  13. 13. The method of claim 12,
    The step of opening the opening / closing part provided at the lowermost part of the cooling duct,
    And opening the cover of the opening / closing part by a load of the defrost water.
  14. 13. The method of claim 12,
    Wherein the step of discharging the defrost water comprises:
    And discharging the defrost water converged at the lowermost part of the cooling duct to a defrosting tray provided in a machine room of the refrigerator.
  15. 13. The method of claim 12,
    Wherein cooling the air through the cooling duct with cold air comprises:
    And the air is moved for a predetermined time along a cooling channel of the cooling duct to cool the air to a cool air of a predetermined temperature or lower.
KR1020150085275A 2015-06-16 2015-06-16 Ice making system of refrigerator and ice making method thereof KR101715804B1 (en)

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KR1020150085275A KR101715804B1 (en) 2015-06-16 2015-06-16 Ice making system of refrigerator and ice making method thereof
US14/841,155 US20160370083A1 (en) 2015-06-16 2015-08-31 Ice making system and method for a refrigerator
CN201510570299.9A CN106257199B (en) 2015-06-16 2015-09-09 The ice-making system and method for refrigerator
EP15186862.7A EP3106798B1 (en) 2015-06-16 2015-09-25 Ice making system and method for a refrigerator

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KR20170123513A (en) * 2016-04-29 2017-11-08 동부대우전자 주식회사 Ice making apparatus and refrigerator including the same

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Publication number Publication date
CN106257199A (en) 2016-12-28
EP3106798B1 (en) 2019-01-16
EP3106798A1 (en) 2016-12-21
US20160370083A1 (en) 2016-12-22
KR101715804B1 (en) 2017-03-13
CN106257199B (en) 2019-03-01

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