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WO2024150937A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
WO2024150937A1
WO2024150937A1 PCT/KR2023/020342 KR2023020342W WO2024150937A1 WO 2024150937 A1 WO2024150937 A1 WO 2024150937A1 KR 2023020342 W KR2023020342 W KR 2023020342W WO 2024150937 A1 WO2024150937 A1 WO 2024150937A1
Authority
WO
WIPO (PCT)
Prior art keywords
ice
guide
tray
cold
cold air
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.)
Ceased
Application number
PCT/KR2023/020342
Other languages
English (en)
Korean (ko)
Inventor
김봉진
이동훈
박종영
이욱용
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
Priority claimed from KR1020230004914A external-priority patent/KR20240113021A/ko
Priority claimed from KR1020230131015A external-priority patent/KR20250046938A/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority to EP23916420.5A priority Critical patent/EP4647691A1/fr
Priority to CN202380090972.1A priority patent/CN120513373A/zh
Publication of WO2024150937A1 publication Critical patent/WO2024150937A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/04—Doors; Covers with special compartments, e.g. butter conditioners
    • 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
    • F25C2400/00—Auxiliary features or devices for producing, working or handling ice
    • F25C2400/10—Refrigerator units
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details 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
    • F25D2317/06—Details 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
    • F25D2317/063—Details 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 with air guides

Definitions

  • This specification relates to refrigerators.
  • a refrigerator is a home appliance that allows food to be stored at low temperatures in an internal storage space shielded by a door.
  • the refrigerator can cool the inside of the storage space using cold air, thereby keeping the stored food in a refrigerated or frozen state.
  • an ice maker for making ice is provided in the freezer compartment of a refrigerator.
  • the ice maker collects water supplied from a water source or a water tank in a tray and then cools the water to create ice. Ice produced by the ice maker may be stored in an ice bin. The user can open the freezer door, access the ice bin, and take out the ice stored in the ice bin.
  • Prior Document 1 A refrigerator is disclosed in Korea Patent Publication No. 2021-0005783 (hereinafter referred to as “Prior Document 1”), which is a prior document.
  • the refrigerator of Prior Document 1 includes a storage room where food is stored; a first tray assembly provided in the storage compartment and forming part of an ice-making cell, which is a space where water changes phase into ice by cold; and a second tray assembly forming another part of the ice making cell.
  • Prior Document 2 Chinese Patent Publication No. 114174740A (hereinafter referred to as “Priority Document 2”), which is a prior document, discloses an ice maker and an ice bank provided in the door of a refrigerator.
  • the ice maker includes an elastic mold that forms a cavity and is made of an elastic material, a heat exchanger connected to the elastic mold and for freezing water in the cavity, an elevating mechanism for easily discharging the ice from the cavity, and the elevating and lowering device. It includes a driving mechanism for driving the mechanism.
  • the driving mechanism includes a motor and a rotating cam.
  • One embodiment provides a refrigerator capable of producing spherical ice in a door.
  • one embodiment provides a refrigerator in which produced ice can be easily withdrawn from a dispenser in the door.
  • one embodiment provides a refrigerator capable of increasing the number of ice cubes produced during one ice making operation.
  • one embodiment provides a refrigerator in which the ice making rate can be increased.
  • a refrigerator may include an ice-making room that provides a space in which ice is produced.
  • the refrigerator may further include a cooler.
  • the cooler may supply or operate to supply cold to the ice-making chamber.
  • the refrigerator may further include an ice maker.
  • the ice maker may be placed in the ice making room.
  • the ice maker may include a first tray assembly.
  • the first tray assembly may form a part of an ice-making cell, which is a space where water changes phase into ice due to the cold.
  • the ice maker may further include a second tray assembly.
  • the second tray assembly may form another part of the ice making cell.
  • the refrigerator may further include a cold guide.
  • the cold guide may provide a passage through which the cooler supplies cold to the ice-making cell.
  • the cold guide may be provided outside the ice-making cell.
  • the first tray assembly may include a first tray.
  • the second tray assembly may include a second tray.
  • the cold guide may include a first opening.
  • the first opening is a passage through which the cold flows into the space formed by the cold guide.
  • the cold guide may further include a second opening.
  • the second opening is a passage through which the cold is discharged from the inside of the space formed by the cold guide to the outside of the space formed by the cold guide.
  • the cold guide may include a first guide forming the first opening.
  • the cold guide may further include a second guide forming the second opening.
  • the second guide may extend from the first guide.
  • the second guide may include a first guide wall that provides a first surface of the space formed by the cold guide.
  • the second guide may further include a second guide wall that provides a second side of the space formed by the cold guide.
  • the second guide may further include a third guide wall that provides a third side of the space formed by the cold guide.
  • the first and second surfaces may form first corners of the cold guide.
  • the first and third surfaces may form second corners of the cold guide.
  • the second opening may be provided in the first guide wall or the third guide wall.
  • the second guide may include a guide wall that provides a surface of the space formed by the cold guide.
  • the second opening may be provided on a side of the guide wall facing at least a portion of the ice maker or at least a portion of the ice making cell.
  • the second opening may be provided in a guide wall that provides a front surface of the space formed by the cold guide. At least a portion of the ice maker or at least a portion of the ice making cell may be disposed ahead of the guide wall.
  • the second opening may be provided in a guide wall that provides a rear surface of the space formed by the cold guide. At least a portion of the ice maker or at least a portion of the ice making cell may be disposed rearward of the guide wall.
  • the second guide may include a guide wall that provides a surface of the space formed by the cold guide.
  • the second opening may be provided in the guide wall.
  • the guide wall may include a switching wall that guides the cold discharged through the second opening to change the flow direction.
  • the transition wall may include a portion bent in a direction toward the front or rear of the space formed by the cold guide.
  • the transition wall may include a portion bent in a direction toward at least a portion of the ice maker or at least a portion of the ice making cell.
  • the second opening may be provided in a guide wall that provides an upper or lower surface or a side or rear surface of the space formed by the cold guide.
  • the first opening of the cold guide may be provided on one side of the space formed by the cold guide.
  • the second opening of the cold guide may be provided in the front or rear of the space formed by the cold guide. Cold introduced through the first opening may be discharged through the second opening.
  • the first opening of the cold guide may be provided on one side of the space formed by the cold guide.
  • the second opening of the cold guide may be provided on the top, bottom, or side of the space formed by the cold guide.
  • the refrigerator may further include a transition wall that guides cold discharged through the second opening to divert to the front or rear of the space formed by the cold guide.
  • the refrigerator may further include a switching wall that guides cold discharged through the second opening to divert in a direction toward at least a portion of the ice maker or at least a portion of the ice making cell.
  • the refrigerator includes a switching wall that guides the cold discharged through the second opening to change the flow direction, and the switching wall may be provided outside the space formed by the cold guide.
  • the refrigerator includes a cabinet forming a storage compartment; And it may further include a door that opens and closes the storage compartment.
  • the refrigerator may include a first space formed in the door and providing at least a portion of the ice-making chamber.
  • the refrigerator may further include a second space formed in the door, disposed in a different position from the first space, and forming at least a portion of the ice-making chamber.
  • the refrigerator may further include a second space formed in the cabinet and forming at least a portion of the ice-making chamber.
  • the first tray assembly may further include a first tray case provided on one side of the first tray.
  • the first tray case may include a part that contacts or supports the first tray.
  • the first tray case may include a heater case having a portion that contacts or supports a heater that supplies heat to the ice-making cell.
  • the first tray case may include a first tray cover having a portion provided to cover at least a portion of the first tray.
  • the heater case and the first tray cover may be integrally formed or may be provided as separate parts.
  • the first tray may further include an auxiliary storage compartment.
  • the auxiliary storage room may be a space where ice is produced.
  • the auxiliary storage room may be part of the ice-making cell.
  • the first part may include a boss and the second part may include a hole.
  • a refrigerator may include a cabinet having a storage compartment.
  • the refrigerator may further include a door that opens and closes the storage compartment.
  • the refrigerator may further include an ice-making chamber wall provided on the door and forming an ice-making chamber.
  • the refrigerator is provided in the ice making room and may further include an ice maker that produces ice.
  • the refrigerator may further include an ice bin that stores ice produced by the ice maker.
  • the refrigerator may further include a dispenser provided on the door and dispensing ice stored in the ice bin.
  • the ice maker may include a first tray assembly that forms part of an ice-making cell, which is a space where water changes phase into ice.
  • the ice maker may further include a second tray assembly forming another part of the ice making cell.
  • the ice maker may further include a cold air guide that provides a passage for supplying cold air introduced through a hole in the wall of the ice making chamber to the ice making cell.
  • the cold air guide may include a first opening communicating with the through hole.
  • the cold air guide may further include a second opening that is a passage flowing from the inside of the space formed by the cold air guide to the outside of the space formed by the cold air guide.
  • the first tray assembly may include a first tray forming part of the ice-making cell.
  • the first tray assembly may further include a first tray cover that is coupled to the first tray and forms a cooling passage through which cold air flows between the first tray and the first tray.
  • the cold air guide may be in contact with one or more of the first tray and the first tray cover, or may be formed integrally with the first tray or the first tray cover.
  • the refrigerator may further include a bracket supporting the first tray assembly.
  • the bracket may be fixed to the wall of the ice-making room.
  • the cold air guide may be in contact with the bracket or may be formed integrally with the bracket.
  • the generated spherical ice can be easily withdrawn from the dispenser on the door.
  • the speed at which ice is generated in an ice-making cell can be increased, which is an advantage in that ice-making time can be reduced.
  • FIG. 1 (A) is a front view of a refrigerator according to a first embodiment
  • FIG. 1 (B) is a view showing one door of the refrigerator in a separated state.
  • FIG. 2(A) is a perspective view viewed from the front of the first refrigerating compartment door according to the first embodiment
  • FIG. 2(B) is a perspective view viewed from the rear of the first refrigerating compartment door according to the first embodiment.
  • FIG. 3(A) is a diagram showing a state in which the basket and filter are separated from the first refrigerating chamber door
  • FIG. 3(B) is a diagram showing a state in which the ice-making chamber door and the cover member are separated from the first refrigerating chamber door.
  • Figure 4 is a cross-sectional view taken along line 4-4 in (A) of Figure 2.
  • FIG. 5(A) is a view showing a cold air duct connected to the door liner of the first embodiment
  • FIG. 5(B) is a view showing the ice-making chamber wall of the door liner of the first embodiment.
  • Figure 6 is a view showing a state in which an ice maker is installed on a support member in the first embodiment.
  • Figure 7 is a diagram showing the arrangement relationship between the ice maker and the cold air duct in the first embodiment.
  • Figure 8(A) is a perspective view of the ice maker according to the first embodiment as seen from one upper side
  • Figure 8(B) is a perspective view of the ice maker according to the first embodiment as seen from the other upper side.
  • FIG. 9(A) is a front view of the ice maker of the first embodiment
  • FIG. 9(B) is a perspective view of the ice maker of the first embodiment viewed from below.
  • Figure 10 is an exploded perspective view of the ice maker according to the first embodiment.
  • Figure 11 is an exploded front view of the ice maker according to the first embodiment.
  • Figure 12 (A) is a perspective view of the cold air guide according to the first embodiment as seen from the top
  • Figure 12 (B) is a perspective view of the cold air guide according to the first embodiment as seen from the bottom.
  • Figure 13(A) is a top view of the cold air guide according to the first embodiment
  • Figure 13(B) is a front view of the cold air guide according to the first embodiment.
  • Figure 14 is a perspective view of the first tray according to the first embodiment as seen from above.
  • Figure 15 is a perspective view of the first tray according to the first embodiment viewed from below.
  • Figure 16 is a perspective view of the first tray cover according to the first embodiment as seen from above.
  • Figure 17 is a perspective view of the first tray cover according to the first embodiment as seen from below.
  • Figure 18 (A) is a perspective view of the bracket according to the first embodiment as seen from one side.
  • Figure 18 (B) is a perspective view of the bracket according to the first embodiment as seen from the other side.
  • 19 is a view showing a state in which the first tray assembly and the cold air guide are separated according to the first embodiment.
  • Figure 20 is a view showing a state in which the cold air guide according to the first embodiment is seated on the first tray assembly.
  • Figure 21(A) is a cross-sectional view taken along line 21A-21A of Figure 20
  • Figure 21(B) is a cross-sectional view taken along line 21B-21B of Figure 20.
  • Figure 22 (A) is a diagram partially showing a state in which the cold air guide and the first tray cover are in contact
  • Figure 22 (B) is a diagram showing the arrangement of the water supply unit, the cold air guide, and the first tray assembly.
  • Figure 23 (A) is a perspective view of the first tray assembly according to the first embodiment as seen from one side
  • Figure 23 (B) is a perspective view of the first tray assembly according to the first embodiment as seen from the other side.
  • Figure 26 is a cross-sectional view showing the ice maker in the water supply position of the second tray assembly of the first embodiment.
  • Figure 27 is a cross-sectional view showing the ice maker in the ice making position of the second tray assembly of the first embodiment.
  • Figure 28 is a cross-sectional view showing the ice maker with the second tray assembly moved to the full ice detection position during the ice moving process.
  • Figure 29 (A) is a cross-sectional view showing the ice maker in a state where the first bar of the second pusher is in contact with the second tray
  • Figure 29 (B) is a state in which the second bar of the second pusher is in contact with the second tray.
  • Figure 30(A) is a diagram showing a state in which the first bar of the second pusher presses the second tray in the moving position
  • Figure 30(B) shows the second bar of the second pusher pressing the second tray in the moving position. Drawing showing pressurized state.
  • Figures 31 (A) and (B) are perspective views of the cold air guide of the second embodiment as seen from above, and Figures 32 (A) and (B) are perspective views of the cold air guide of the second embodiment as seen from the bottom.
  • Figure 33(A) is a top view of the cold air guide according to the second embodiment
  • Figure 33(B) is a front view of the cold air guide according to the second embodiment.
  • Figure 34(A) is a perspective view of the first tray assembly according to the second embodiment as seen from one side
  • Figure 34(B) is a perspective view of the first tray assembly according to the second embodiment as seen from the other side.
  • Figure 35(A) is a perspective view of the first tray assembly according to the second embodiment as seen from another side
  • Figure 35(B) is a cross-sectional view taken along line 35B-35B in Figure 34(A).
  • Figure 36(A) is a cross-sectional view taken along 36A-36A in Figure 34(A)
  • Figure 36(B) is a cross-sectional view taken along 36B-36B in Figure 34(A).
  • FIG. 37 is a view showing a first tray and a first tray cover according to the third embodiment.
  • FIG 38 is a view showing a first tray and a first tray cover according to the fourth embodiment.
  • 39 is a view showing a first tray, a first tray cover, and a bracket according to the fifth embodiment.
  • component A and component B may be interpreted as including component A, component B, or component A+B. Additionally, at least one of component A or component B may be interpreted as including component A, component B, or component A+B.
  • FIG. 1 (A) is a front view of a refrigerator according to a first embodiment
  • FIG. 1 (B) is a view showing one door of the refrigerator in a separated state.
  • Figure 2 (A) is a perspective view viewed from the front of the first refrigerating compartment door according to the first embodiment
  • Figure 2 (B) is a perspective view viewed from the rear of the first refrigerating compartment door according to the first embodiment.
  • Figure 3 (A) is a diagram showing a state in which the basket and filter are separated from the first refrigerating chamber door
  • Figure 3 (B) is a diagram showing a state in which the ice-making chamber door and cover member are separated from the first refrigerating chamber door. .
  • the refrigerator 1 of this embodiment may include a cabinet 2.
  • the cabinet 2 may be provided with a storage compartment.
  • the refrigerator 1 may further include a door that opens and closes the storage compartment. The door may be movably connected to the cabinet 2.
  • the storage compartment may include a refrigerating compartment (18).
  • the storage compartment may optionally or additionally include a freezer compartment (19).
  • the storage compartment is shown to include a refrigerator compartment 18 and a freezer compartment 19.
  • the door may include a refrigerating compartment door 5 that opens and closes the refrigerating compartment 18.
  • the refrigerating compartment 18 can be opened and closed by one or more refrigerating compartment doors 5.
  • the door may further include a freezer compartment door 30 that opens and closes the freezer compartment 19.
  • the freezer compartment 19 can be opened and closed by one or more freezer doors 30.
  • At least one of the first refrigerating compartment door 10 and the second refrigerating compartment door 20 may include a dispenser 11 for dispensing water and/or ice.
  • the freezer door 30 may be equipped with the dispenser 11.
  • At least one of the first refrigerating compartment door 10 and the second refrigerating compartment door 20 may include one or more ice makers 200.
  • the types of ice produced by the plurality of ice makers may be the same or different.
  • the size (or volume) of ice produced by a plurality of ice makers may be the same or different.
  • the transparency of ice produced from a plurality of ice makers may be the same or different.
  • the structure for producing ice and the manner in which the produced ice is separated may be the same or different.
  • the ice maker 200 is provided in the first refrigerating compartment door 10
  • an ice maker may be provided in the second refrigerator door 20 or the freezer door 30.
  • the dispenser 11 and the ice maker may be installed in the same door.
  • an additional ice maker it is possible for an additional ice maker to be provided in one or more of the refrigerating compartment 18 and the freezer compartment 19.
  • the refrigerator 1 is exemplarily shown as a bottom freezer type refrigerator.
  • the idea of the present invention can be equally applied to a side-by-side type refrigerator or a top mount type refrigerator. Let me state that it is possible.
  • the freezer door may include an ice maker and a dispenser, or the refrigerator compartment door may include an ice maker and a dispenser.
  • the dispenser 11 may be located in the front of the first refrigerating compartment door 10. A portion of the dispenser 11 may be recessed to the rear to provide a space in which a container can be placed. The dispenser 11 may discharge ice generated by the ice maker 200. At least a portion of the ice maker 200 may be located higher than the dispenser 11 .
  • the first refrigerating compartment door 10 may include an outer case 101.
  • the outer case 101 may form the front exterior of the first refrigerating compartment door 10.
  • the first refrigerating compartment door 10 may further include a door liner 102.
  • the door liner 102 may be directly or indirectly connected to the outer case 101.
  • the door liner 102 can open and close the refrigerating compartment 18.
  • an insulating space may be formed between the outer case 101 and the door liner 102.
  • An insulating material may be provided in the insulating space.
  • the insulation material may be formed by curing a foaming liquid injected from the outside.
  • a vacuum insulator may be provided in the insulation space. It is also possible for an insulating material and a vacuum insulator to be provided together in an insulating space.
  • the refrigerator 1 may include an ice-making chamber 122 that provides a space where ice is produced.
  • the ice-making chamber 122 may be provided in the first refrigerating chamber door 10, for example.
  • the ice maker 200 may be located in the ice making room 122.
  • the door liner 102 may form the ice-making chamber 122.
  • the ice-making chamber 122 may be formed as one surface of the door liner 102 is depressed toward the outer case 101.
  • the first refrigerating compartment door 10 may further include an ice bin 600 in which ice generated by the ice maker 200 is stored. Ice stored in the ice bin 600 may be discharged to the dispenser 11.
  • the ice bin 600 may be accommodated in the ice making room 122 together with the ice maker 200.
  • the ice bin 600 may be located below the ice maker 200 .
  • Cold generated in the cooler 110 may be supplied to the ice making room 122. That is, the cooler 110 may be configured to supply cold to the ice-making chamber 122. Alternatively, the cooler 110 may be configured to supply cold to the ice-making chamber 122.
  • the cooler 110 may be configured to cool the ice-making chamber 122 by including at least one of a refrigerant cycle and a thermoelectric element. For example, cold air for cooling the freezing chamber 19 may be supplied to the ice-making chamber 122 .
  • the refrigerator 1 has a supply passage 2a that guides the cold air of the freezer compartment 19 or the cold air of the space where the evaporator that generates cold air for cooling the freezer compartment 19 is located to the first refrigerator compartment door 10. ) may further be included.
  • the refrigerator 1 may include a discharge passage 2b that guides cold air discharged from the first refrigerator compartment door 10 to the freezer compartment 19 or a space where the evaporator is located.
  • the supply flow path (2a) and the discharge flow path (2b) may be provided in the cabinet (2).
  • the first refrigerating compartment door 10 may include a cold air inlet 123a. When the first refrigerating compartment door 10 is closed, the cold air inlet 123a may communicate with the supply passage 2a.
  • the first refrigerating compartment door 10 may further include a cold air outlet 123b. When the first refrigerating compartment door 10 is closed, the cold air outlet 123b may communicate with the discharge passage 2b.
  • the cold air inlet 123a may be formed on one side of the door liner 102. Although not limiting, one side of the door liner 102 faces the wall where the supply passage 2a is located in the refrigerating compartment 18 when the first refrigerating compartment door 10 is closed.
  • the cold air outlet 123b may be formed on one side of the door liner 102. Although not limiting, one side of the door liner 102 faces the wall where the discharge passage 2b is located in the refrigerating compartment 18 when the first refrigerating compartment door 10 is closed.
  • the ice maker 200 can produce spherical ice.
  • spherical shape means not only a spherical shape but also a shape similar to a spherical shape geometrically.
  • the one side of the door liner 102 may include a first side portion 102a and a second side portion 102b having different widths in the front-back direction.
  • the width of the second side portion 102b may be larger than the width of the first side portion 102a.
  • At least one of the cold air inlet 123a and the cold air outlet 123b is of the door liner 102. It may be formed on the second side portion 102b.
  • the second side portion 102b may protrude further toward the refrigerating compartment 18 than the first side portion 102a.
  • the first refrigerating compartment door 10 may further include an ice-making compartment door 130 that opens and closes the ice-making compartment 122 .
  • the ice-making room door 130 may be an insulated door provided with an insulating material inside.
  • the ice-making compartment door 130 may be rotatably connected to the first refrigerating compartment door 10 by a hinge.
  • a basket 136 capable of storing food may be connected to the ice-making room door 130.
  • the first refrigerating compartment door 10 may also be provided with a basket 137 (second basket).
  • the second basket 137 may be located below the first basket 136.
  • the front-to-back length of the second basket 137 may be shorter than the front-to-back length of the first basket 136.
  • the second basket 137 may overlap the dispenser 11 in the front-back direction.
  • a parts space 123 in which parts are accommodated may be formed in the first refrigerating compartment door 10.
  • the component space 123 may accommodate one or more of a valve 750 that controls the flow of water, a filter (not shown) that purifies water, and a water tank 700 that stores water.
  • the component space 123 may be formed by the door liner 102. Alternatively, the component space 123 may be formed by a separate wall connected to the door liner 102.
  • the first refrigerating compartment door 10 may further include a cover member 132 that covers the parts space 123.
  • the component space 123 may be provided with a holder 125 to which the filter is coupled.
  • the cover member 132 may include an opening 133.
  • the filter may be coupled to the holder 125 through the opening 133.
  • the second basket 137 may cover the opening 133. When the second basket 137 is separated, the opening 133 may be exposed.
  • the holder 125 may be exposed through the opening 133.
  • Figure 4 is a cross-sectional view taken along line 4-4 in (A) of Figure 2.
  • the dispenser 11 may include a dispenser housing 11a.
  • the dispenser housing 11a may form a space 11b.
  • a container such as a cup may be placed in the space 11b. Water or ice may be discharged into the space 11b.
  • At least a portion of the dispenser housing 11a may be arranged to overlap the component space 123 in the front-back direction.
  • the front of the first refrigerating compartment door 10 (or outer case 101) and parts are shorter than the shortest horizontal distance between the front of the first refrigerating compartment door 10 (or outer case 101) and the ice-making compartment 122.
  • the shortest horizontal distance of space 123 may be large. At least a portion of the ice-making chamber 122 may overlap the parts space 123 in the vertical direction.
  • the ice maker 200 may overlap the dispenser housing 11a in the vertical direction.
  • the ice bin 600 may overlap the dispenser housing 11a in the vertical direction.
  • the ice maker 200 may include a second pusher 530.
  • the second pusher 530 may overlap the ice bin 600 in the vertical direction.
  • the second pusher 530 may overlap the dispenser housing 11a in the vertical direction.
  • the ice bin 600 may include an ice discharge unit 630 that operates to discharge stored ice.
  • the ice discharge unit 630 may include a rotating member that rotates.
  • An ice chute 800 may be placed below the ice making room 122.
  • the ice chute 800 can be opened and closed by the cap duct 820.
  • An ice guide 840 may be located below the ice chute 800.
  • the ice chute 800 may provide a passage through which ice moves.
  • the ice chute 800 may guide ice discharged from the ice bin 600 to the ice guide 840.
  • the ice guide 840 may provide a passage through which ice moves.
  • the ice guide 840 may guide ice to the space 11b.
  • the ice chute 800 may overlap at least a portion of the ice-making chamber 122 in the vertical direction. At least a portion of the ice chute 800 may overlap the ice maker 200 in the vertical direction.
  • the second pusher 530 may overlap the ice chute 800 in the vertical direction.
  • the second pusher 530 may overlap the cap duct 820 in the vertical direction.
  • the second pusher 530 may overlap the ice guide 840 in the vertical direction.
  • the ice maker 200 may further include a first pusher 510.
  • the second pusher 530 may be located closer to the outer case 101 than the first pusher 510 .
  • the horizontal distance between the second pusher 530 and the front of the outer case 101 may be shorter than the horizontal distance between the passage formed by the ice chute 800 and the front of the outer case 101.
  • the first pusher 510 may overlap the ice discharge unit 630 in the vertical direction.
  • the first pusher 510 may overlap the ice chute 800 in the vertical direction.
  • the first pusher 510 may overlap the ice guide 840 in the vertical direction.
  • the ice maker 200 may overlap the water tank 700 in the vertical direction.
  • FIG. 5(A) is a view showing a cold air duct connected to the door liner of the first embodiment
  • FIG. 5(B) is a view showing the ice-making room wall of the door liner of the first embodiment
  • FIG. 6 is a view showing the ice-making room wall of the door liner of the first embodiment.
  • This is a diagram showing the state in which the ice maker is installed on the support member of the embodiment.
  • Figure 7 is a diagram showing the arrangement relationship between the ice maker and the cold air duct in the first embodiment.
  • the door liner 102 may include an ice-making chamber wall 140 that forms the ice-making chamber 122 .
  • the door liner 102 may further include a peripheral wall 102c.
  • the peripheral wall 102c may be spaced apart from the ice-making chamber wall 140 on the outside of the ice-making chamber wall 140 .
  • the first refrigerating compartment door 10 may further include a cold air duct 900.
  • the cold air duct 900 may guide cold air introduced through the cold air inlet 123a to the ice-making chamber 122.
  • the cold air duct 900 may guide cold air from the ice-making chamber 122 to the cold air outlet 123b.
  • the cold air duct 900 may include a first duct 910 forming a first flow path.
  • the first flow path may communicate with the cold air inlet 123a and the ice-making chamber 122.
  • the cold air duct 900 may further include a second duct 920.
  • the second duct 920 may form the first flow path together with the first duct 910.
  • a portion of the first duct 910 may be aligned with the cold air inlet 123a.
  • a portion of the second duct 920 may contact the ice-making chamber wall 140.
  • a first through hole 140a may be formed in the ice-making chamber wall 140.
  • the first through hole 140a is a supply hole through which cold air is supplied to the ice making chamber 122.
  • a portion of the second duct 920 may be aligned with the first through hole 140a.
  • One surface of the second duct 920 may form the first flow path.
  • the cold air duct 900 may further include a third duct 930.
  • the third duct 930 may form a second flow path.
  • the second flow path may communicate with the cold air outlet 123a and the ice-making chamber 122.
  • the third duct 930 may form the second flow path together with the second duct 920.
  • the other surface of the second duct 920 may form the second flow path.
  • a second through hole 140b may be formed in the ice-making chamber wall 140.
  • the second through hole 140b is an exhaust hole through which cold air is discharged from the ice making chamber 122.
  • the second through hole 140b may be located below the first through hole 140a.
  • Another portion of the second duct 920 may be aligned with the cold air outlet 123b.
  • a portion of the third duct 930 may be aligned with the second through hole 140b.
  • the cold air duct 900 may be omitted.
  • the ice-making room wall 140 may include a front wall 141.
  • the front wall 141 may be a wall facing the outer case 101.
  • the ice-making chamber wall 140 may further include a first side wall 143.
  • the ice-making chamber wall 140 may further include a second side wall 144 located opposite the first side wall 143.
  • the cold air duct 900 may be located between the second side wall 144 and the peripheral wall 102c.
  • the first through hole 140a and the second through hole 140b may be formed in the second side wall 144.
  • the ice-making chamber wall 140 may further include an upper side wall 142.
  • the ice-making chamber wall 140 may further include a lower side wall 148.
  • the first refrigerating compartment door 10 may further include a support member 150 on which the ice maker 200 is installed.
  • the support member 150 may be installed on the ice-making chamber wall 140.
  • part or all of the support member 150 may be formed integrally with the ice-making chamber wall 140.
  • the support member 150 may be omitted and the ice maker 200 may be installed on the ice making chamber wall 140.
  • the ice maker 200 can be described as being supported on the ice making room wall 140.
  • the support member 150 may include a first member 152.
  • the first member 152 may extend in the vertical direction.
  • the ice maker 200 may be installed on the first member 152.
  • the first member 152 may include an installation member 155.
  • the installation member 155 may be located on the upper side of the first member 152.
  • the first member 152 may be provided with a slot 154 through which a portion of the ice maker 200 passes.
  • a motor assembly for driving the ice discharge unit 630 of the ice bin 600 may be mounted on the first member 152 .
  • the support member 150 may further include a second member 153.
  • the second member 153 may extend from the first member 152 in the horizontal direction.
  • the ice bin 600 may be seated on the second member 153.
  • An ice hole 153a through which ice passes may be formed in the second member 153.
  • the ice maker 200 may further include a bracket 220 supported on the support member 150 or on the ice making chamber wall 140. When the ice maker 200 is directly supported on the ice making room wall 140, the ice maker 200 may be supported on the front wall 141.
  • Figure 8 (A) is a perspective view of the ice maker according to the first embodiment as seen from one upper side
  • Figure 8 (B) is a perspective view of the ice maker according to the first embodiment as seen from the other upper side
  • Figure 9 (A) is a front view of the ice maker of the first embodiment
  • Figure 9 (B) is a perspective view of the ice maker of the first embodiment viewed from below.
  • Figure 10 is an exploded perspective view of the ice maker according to the first embodiment
  • Figure 11 is an exploded front view of the ice maker according to the first embodiment.
  • the ice maker 200 may include a first tray assembly 201.
  • the first tray assembly 201 may form a part of the ice making cell 203.
  • the ice maker 200 may further include the second tray assembly 202.
  • the second tray assembly 202 may form another part of the ice making cell 203.
  • the ice-making cell 203 is a space where water changes phase due to cold.
  • a driving unit 480 may be mounted on one side of the bracket 220.
  • the driving unit 480 may provide driving force to the second tray assembly 202.
  • the first tray assembly 201 may be installed on the bracket 220.
  • the second tray assembly 202 can move relative to the first tray assembly 201. For example, the second tray assembly 202 may move in a straight line, curve, or rotate.
  • the driving unit 480 may include a motor housing 481.
  • the driving unit 480 may further include a motor accommodated in the motor housing 481 and a power transmission unit.
  • a fastening portion 482 may be formed on the upper side of the motor housing 481.
  • the fastening part 482 may be fastened to the bracket 220 by a fastening member.
  • the driving unit 480 may be located adjacent to the first side wall 143. That is, the driving unit 480 may be located on the opposite side of the first through hole (inlet hole) 140a through which cold air flows.
  • the ice maker 200 may further include a full ice detection lever 550 for detecting whether the ice bin 600 is full of ice.
  • a full ice detection lever 550 for detecting whether the ice bin 600 is full of ice.
  • One end of the full ice detection lever 550 may be connected to the driving unit 480.
  • the other end of the full ice detection lever 550 may be connected to the bracket 220 .
  • the ice-making chamber wall 140 may be provided with a recess formed at a position corresponding to the driving unit 480.
  • the depression may include a first depression 145a formed in the first side wall 143.
  • the depression may further include a second depression 145b formed in the front wall 141.
  • the ice-making chamber wall 140 may further include a third recess 145c where a portion of the support member 150 is located.
  • the third recessed portion 145c may be formed in the front wall 141.
  • the third recessed portion 145c may be connected to the second recessed portion 145b.
  • one or more of the first to third depressions may be omitted.
  • the ice maker 200 may include a cold guide.
  • the cold guide may provide a passage for supplying cold to the ice-making cell 203.
  • the cold guide may be provided outside the ice-making cell 203.
  • the cold is cold air.
  • the cold guide may include a cold air guide 270, for example. Therefore, all configurations described in the cold guide can be understood as configurations of the cold guide.
  • a passage for supplying cold to the ice-making cell 203 may be formed by the cold air guide, the first tray, and the first tray cover. Accordingly, at least a portion of each of the cold air guide, the first tray, and the first tray cover may serve as the cold guide.
  • the cold air guide 270 may be adjacent to or contact the second side wall 144.
  • the cold air guide 270 may be a separate component from the first tray case, which will be described later, or may be a part of the first tray case.
  • the first tray assembly 201 may include a first tray 320.
  • the first tray 320 may form a part of each of the plurality of ice making cells 203.
  • the first tray assembly 201 may further include a first tray case.
  • the first tray case may include a portion that is in contact with the first tray 320 or supported by the first tray 320 .
  • the first tray case may include a first tray cover 300.
  • the first tray cover 300 may be combined with the first tray 320.
  • the first tray cover 300 may be located on one side of the first tray 320.
  • the ice maker 200 may further include a heater 330 that provides heat to the ice making cell 203.
  • the first tray assembly 201 may include the heater 330.
  • the heater 330 may operate at least during the ice-making process after completion of ice-making to provide heat to the first tray 320.
  • the heater 330 may function as a moving heater.
  • the heater 330 may contact the first tray 320 .
  • the first tray assembly 201 may further include a heater cover 340 (or heater case) that covers the heater 330.
  • the heater cover 340 may include a portion that contacts the heater 330 or is supported by the heater 330 .
  • the heater cover 340 may be separate from the first tray cover 300 or may be formed integrally with the first tray cover 300.
  • the heater cover 340 may press the heater 330 toward the first tray 320 .
  • the heater cover 340 may be positioned between the first tray 320 and the first tray cover 300.
  • the heater cover 340 may be located above a portion of the first tray 320 and may be located below a portion of the first tray cover 300.
  • the second tray assembly 202 may include a second tray 360.
  • the second tray 360 may form a different part of each of the plurality of ice making cells 203.
  • At least a portion of the second tray 360 may be made of a deformable material so that ice can be easily separated.
  • the second tray assembly 202 may further include a second tray case.
  • the second tray case may be in contact with the second tray 360.
  • the second tray case may include a second tray cover 350. A portion of the second tray cover 350 may be located closer to the first tray 320 than a portion of the second tray 360 .
  • the second tray case may further include a second tray supporter 380. A portion of the second tray supporter 380 may be located farther from the first tray 320 than a portion of the second tray 360 .
  • the ice maker 200 may further include a water supply unit 240 for supplying water to the ice making cell 203.
  • the water supply unit 240 may supply water to some of the ice-making cells among the plurality of ice-making cells.
  • the water supply unit 240 may be installed on the bracket 220.
  • the water supply unit 240 may be provided with a slot 242 through which a water pipe passes.
  • the water supply unit 240 may include a through hole 241 through which water is discharged.
  • the cold air guide 270 may be installed on the bracket 220, the first tray 320, or the first tray cover 300, for example.
  • the cold air guide 270 may guide cold air to the ice-making cell 203.
  • the cold air guide 270 may contact the first tray assembly 201.
  • the cold air guide 270 may contact one or more of the first tray 320 and the first tray cover 300.
  • a portion of the cold air guide 270 may be located on the opposite side of the driving unit 480 with respect to the first tray assembly 201. Cold air guided by the cold air guide 270 may flow in a direction close to the driving unit 480. By arranging the driving unit 480, the driving unit 480 can be prevented from acting as a flow resistance of cold air.
  • the ice maker 200 may further include a temperature sensor 710 for detecting the temperature of water or ice in the ice making cell 203.
  • the temperature sensor 710 may detect the temperature of the first tray 320.
  • the temperature sensor 710 may be mounted on the first tray 320 .
  • the temperature sensor 710 may be covered by an insulation member 720.
  • the insulation member 720 can prevent cold air from directly contacting the temperature sensor 710.
  • the ice maker 200 may further include transmission units 420 and 421 for transmitting power of the driving unit 480.
  • the power of the driving unit 480 may be transmitted to the second tray assembly 202 by a plurality of transmission units 420 and 421.
  • the first transmission unit 420 may be connected to the driving unit 480.
  • the first transmission unit 420 may be coupled to one side of the second tray supporter 380.
  • the second transmission unit 421 may be coupled to the other side of the second tray supporter 380.
  • the ice maker 200 may further include a shaft 410 coupled to each of the plurality of transmission units 420 and 421.
  • the first delivery unit 420 may be movably supported on one side of the first tray 320 .
  • the second transmission unit 421 may be movably supported on the other side of the first tray 320.
  • the materials of the delivery units 420 and 421 and the first tray 320 may be different.
  • the transmission parts 420 and 421 may be, for example, injection-molded plastic products.
  • An intermediate member 416 may be coupled to any one of the transmission units 420 and 421 and the first tray 320 to prevent direct friction between the two components made of different materials.
  • the intermediate member 416 may be coupled to the first tray 320.
  • the transmission units 420 and 421 may pass through the intermediate member 416 and contact the intermediate member 416 .
  • the ice maker 200 may further include a first pusher 510 that presses the ice or the first tray assembly 201 during the ice moving process.
  • the first pusher 510 may push the ice so that the ice is separated from the first tray 320 .
  • the first pusher 510 may penetrate the first tray cover 300 to push ice.
  • the first pusher 510 may push ice through the first tray 320 .
  • the first pusher 510 may receive power from the driving unit 480.
  • the first pusher 510 may receive the power of the driving unit 480 transmitted to the second tray assembly 202.
  • the ice maker 200 may further include a pusher link 440.
  • a plurality of pusher links 440 may be connected to the first pusher 510.
  • One side of the pusher link 440 may be connected to the first pusher 510, and the other side may be connected to the second tray assembly 202.
  • the other side of the pusher link 440 may be connected to the second tray supporter 380.
  • the ice maker 200 may further include an elastic member 460.
  • One end of the elastic member 460 may be connected to the transmission units 420 and 421, and the other end may be connected to the second tray assembly 202.
  • the elastic member 460 may increase adhesion between the first tray assembly 201 and the second tray assembly 202 at the ice-making position.
  • the other end of the elastic member 460 may be coupled to the second tray supporter 380.
  • the ice maker 200 may further include a second pusher 530 that presses the ice or the second tray assembly 202 during the ice moving process.
  • the second pusher 530 may be installed on the bracket 220, for example. When the bracket 220 is omitted, the second pusher 530 may be installed on the support member 150 or the ice-making chamber wall 140.
  • the full ice detection lever 550 may include a lever body 552 extending in one direction.
  • the full ice detection lever 550 may further include a first extension portion 553 extending from one end of the lever body 552.
  • the full ice detection lever 550 may further include a second extension portion 554 extending from the other end of the lever body 552.
  • the first extension part 553 may be connected to the driving part 480.
  • the second extension 554 may be connected to the bracket 220.
  • the driving unit 480 may include an extension rib 484 inserted into the bracket 220 or penetrating the bracket 220 .
  • a plurality of extension ribs 484 may be arranged to be spaced apart in the horizontal or vertical direction.
  • the extended rib 484 may protrude from the motor housing 481.
  • Figure 12 (A) is a perspective view of the cold air guide according to the first embodiment as seen from the top
  • Figure 12 (B) is a perspective view of the cold air guide according to the first embodiment as seen from the bottom
  • Figure 13 (A) is a top view of the cold air guide according to the first embodiment
  • Figure 13 (B) is a front view of the cold air guide according to the first embodiment.
  • the cold air guide 270 may include a first opening 272 (or cold air inlet).
  • the first opening 272 may provide a passage through which cold air, which is an example of cold, flows into the space formed by the cold air guide 270.
  • the cold air guide 270 may further include a second opening 278 (or cold air outlet).
  • the second opening 278 may provide a passage through which the cold air is discharged from the inside of the space formed by the cold air guide 270 to the outside.
  • the cold air guide 270 may include a first guide 271 forming the first opening 272.
  • the cold air guide 270 may further include a second guide 275 forming the second opening 278.
  • the second guide 275 may extend from the first guide 271.
  • the first guide 271 and the second guide 275 may define a cold air flow path 270a, which is a passage through which cold air flows.
  • the first guide 271 may further include a round wall 274.
  • the round wall 274 may be formed to be convex upward.
  • the round wall 274 can prevent the second transmission unit 421 and the first guide 271 from interfering with each other.
  • the round wall 274 may be provided with a protrusion 274a.
  • the protrusion 274a may be in contact with or adjacent to the side of the first tray 320. Movement of the cold air guide 270 toward the driving unit 480 may be restricted by the protrusion 274a.
  • the cold air guide 270 may include a guide wall that provides one surface of the space formed by the cold air guide 270 or the cold air flow path 270a.
  • the guide wall may include a first guide wall 275a.
  • the first guide wall 275a may provide a first surface of the cold air flow path 270a.
  • the first surface may be a portion of the upper side of the cold air guide 275.
  • the guide wall may further include a second guide wall 276.
  • the second guide wall 276 may extend from the first guide wall 275a.
  • the second guide wall 276 may provide a second surface of the cold air flow path 270a.
  • the second surface may form the first side of the cold air flow path 270a.
  • the second surface may form a first corner portion of the cold air guide 270 together with the first surface.
  • the guide wall may further include a third guide wall 277.
  • the third guide wall 277 may extend from the first guide wall 275a.
  • the third guide wall 277 may provide a third side of the cold air flow path 270a.
  • the third side may form a second side of the cold air flow path 270a.
  • the third surface may form a second corner portion of the cold air guide 270 together with the first surface.
  • the second guide 275 may include the first to third guide walls 275a, 276, and 277.
  • the first guide wall 275a may include a first inclined surface 275b.
  • the first inclined surface 275b may be inclined in a direction approaching the second opening 278.
  • the first inclined surface 275b may be inclined downward as it moves away from the first guide 271.
  • the first guide wall 275a may further include a second inclined surface 275c.
  • the inclination direction of the second inclined surface 275c may be different from that of the first inclined surface 275b.
  • the second inclined surface 275c may be inclined in a direction closer to the second opening 278.
  • the second inclined surface 275c may slope downward as it moves away from the second guide wall 276.
  • the width (length in the Y-axis direction) of the first guide wall 275a may be variable.
  • the width of the portion of the first guide wall 275a closer to the first opening 272 may be larger than the width of the portion farther from the first opening 272.
  • the second opening 278 may be formed in the first guide wall 275a or the third guide wall 277.
  • the second guide 275 may include a guide wall that provides a surface of the space or cold air flow path formed by the cold air guide 270.
  • the second opening 278 may be provided on a guide wall that provides at least a portion of the ice maker 200 or at least a portion of the ice making cell 203 among the surfaces formed by the cold air guide.
  • At least a portion of the ice maker 200 or at least a portion of the ice making cell 203 may be located in front of the guide wall. The front may be a direction from the cold air guide toward the ice-making chamber door.
  • the second opening 278 may be formed in a portion of the guide wall that provides a front surface of the space or cold air flow path.
  • the front may be a side facing the ice-making chamber door 130 or a cooling passage 310, which will be described later.
  • the second opening 278 may be formed in a portion of the guide wall that provides the rear of the space or cold air flow path. At least a portion of the ice maker 200 or at least a portion of the ice making cell 203 may be located behind the guide wall. That is, the guide wall may be positioned between the ice-making chamber door 130 and at least a portion of the ice-making chamber 200 or between the ice-making chamber door 130 and at least a portion of the ice-making chamber 203.
  • the second guide 275 includes a guide wall that provides a surface of the space or cold air flow path formed by the cold air guide 270, and the second opening 278 is provided in the guide wall. It can be.
  • the guide wall may include a switching wall that flows to change the direction in which cold air discharged through the second opening 278 flows.
  • the transition wall may include a portion bent in a direction toward the front or rear of the space formed by the cold air guide 270.
  • the transition wall may include a portion bent in a direction toward at least a portion of the ice maker 200 or at least a portion of the ice making cell 203.
  • the second opening 278 may be provided on a guide wall that provides the top, bottom, side, or back of the space formed by the cold air guide.
  • the first opening 272 of the cold air guide 270 is provided on one side of the space formed by the cold air guide 270, and the second opening 278 of the cold air guide 270 is provided on the cold air guide 270. It is provided at the front or rear of the space formed so that cold air flowing in through the first opening 272 can be discharged through the second opening 278.
  • the first opening 272 of the cold air guide 270 is provided on one side of the space formed by the cold air guide 270, and the second opening 278 is provided in the space formed by the cold air guide 270. It is provided on the top, bottom, or side of the , and cold air flowing in through the first opening 272 can be discharged through the second opening 278.
  • the cold air guide 270 may further include a transition wall that guides the cold air discharged through the second opening 278 to be diverted to the front or rear of the space formed by the cold air guide 270.
  • the cold air guide 270 is a transition wall that guides the cold air discharged through the second opening 278 to be diverted in a direction toward at least a portion of the ice maker 200 or at least a portion of the ice making cell 203. It may further include. Alternatively, the cold air guide 270 may further include a switching wall that guides the cold air discharged through the second opening 278 to change the flow direction. The transition wall may be provided outside the space formed by the cold air guide 270.
  • the cold air guide 270 may include a switching wall for changing the flow direction of cold air in the cold air flow path 270a. That is, the diversion wall can be located within the space formed by the cold air guide 270.
  • the cold air guide 270 may further include a depression 276c for positioning a portion of the water supply unit 240.
  • the recessed portion 276c may be formed in the second guide 275.
  • the height H0 (or flow rate or cross-sectional area) of the first opening 272 may be higher than the height (or flow rate or cross-sectional area) of the second opening 278.
  • the height (or flow rate or cross-sectional area) of the second opening 278 may be constant or variable.
  • the first area 278a adjacent to the third guide wall 277 in the second opening 278 has a first height H1.
  • the second area 278b located below the depression 276c in the second opening 278 has a second height H2.
  • the third height (H3) may be smaller than the first height (H1) and the second height (H2).
  • the first height H1 may be smaller than the second height H2.
  • the second area 278b may be located between the first area 278a and the third area 278c.
  • the first area 278a may be located closer to the first opening 272 than the third area 278c.
  • the cold air flow rate in the third area 278c may be greater than the cold air flow rate in the first area 278a and the second area 278b.
  • the cold air flow rate in the first area 278a may be greater than the cold air flow rate in the second area 278b.
  • the flow rate in an area located far from the first opening 272 may be greater than the flow rate in an area located close to the first opening 272.
  • FIG. 14 is a perspective view of the first tray according to the first embodiment viewed from the top
  • FIG. 15 is a perspective view of the first tray according to the first embodiment viewed from the bottom.
  • the first tray 320 may define a first cell 321 that is part of the ice making cell 203.
  • the first tray 320 may include a first cell wall 322 forming the first cell 321 .
  • the first cell 321 may be formed in a hemispherical shape or a shape similar to a hemisphere.
  • the first tray 320 may include a first contact surface 322a that contacts the second tray 360.
  • the first contact surface 322a may be one surface of the first cell wall 322.
  • the first tray 320 may form a plurality of first cells 321.
  • the plurality of first cells 321 may be arranged in a plurality of rows to increase the number while reducing the size of the ice produced.
  • the plurality of first cells 321 may include a first cell portion 321a disposed in a first column and a second cell portion 321b disposed in a second column.
  • the first and second rows may be arranged in the Y-axis direction in the drawing.
  • the Y-axis direction may be the front-to-back direction of the refrigerator or the front-to-back direction of the door.
  • the first row may include a plurality of first cell portions 321a.
  • the second row may include a plurality of second cell portions 321b.
  • the first row may be located closer to the front wall 141 or the outer case 101 or the front of the door or the cold air guide 270 than the second row.
  • the second row may be located closer to the ice-making chamber door 130 than the first row.
  • the number of first cell portions 321a may be the same as or different from the number of second cell portions 321b.
  • the number of first cell portions 321a may be less than the number of second cell portions 321b.
  • One first cell portion 321a may be arranged to correspond to an area between two adjacent second cell portions 321b.
  • one first cell portion 321a may be arranged to face the area between two adjacent second cell portions 321b. That is, the first cell portion 321a and the second cell portion 321b may be arranged in a zigzag shape.
  • the first tray 320 may further include through holes 323a and 323b that provide a passage for water or cold air.
  • the first tray 320 may further include an auxiliary storage compartment 323d.
  • the auxiliary storage compartment 323d allows water or cold air to pass through.
  • the auxiliary storage compartment 323d may be located above the through holes 323a and 323b.
  • An extension wall 323c may extend upward around the through holes 323a and 323b to form the auxiliary storage compartment 323d.
  • the top of the ice When ice making is completed, the top of the ice may be located in or adjacent to the through holes 323a and 323b. Accordingly, the completed ice may have a spherical shape or may be almost similar to a spherical shape.
  • the auxiliary storage compartment 323d may store water excessively supplied to the ice-making cell 203.
  • the auxiliary storage compartment 323d can store ice that expands during the phase change of supplied water.
  • the first and second fastening parts 324a and 324b may extend in intersecting directions from the extension portion 324.
  • the first and second fastening parts 324a and 324b may extend from one end of the extension portion 324 in a direction away from the second tray 360.
  • the first and second fastening parts 324a and 324b may include a fastening hole 324c.
  • the first tray 320 may further include a reinforcing rib 324d connecting one or more of the first and second fastening parts 324a and 324b with the extension portion 324.
  • the first tray 320 may further include a supporter 325 that supports the movement of the second tray assembly 202.
  • a plurality of supporters 325 may be arranged to be spaced apart in the X-axis direction.
  • the supporter 325 may extend from the extension portion 324 in one direction.
  • the supporter 325 may include a hole 325a.
  • the transmission units 420 and 421 may be movably coupled to the supporter 325.
  • the transmission units 420 and 421 may be coupled to the supporter 325 to enable relative rotation.
  • the intermediate member 416 may be coupled to the hole 325a of the supporter 325.
  • the supporter 325 may be provided with a slot 325b into which a portion of the intermediate member 416 is inserted.
  • the slot 325b may extend outward from the hole 325a.
  • the first tray 320 may further include a sensor mounting portion 326 on which the temperature sensor 710 is mounted.
  • the sensor mounting portion 326 may be formed in a recessed shape toward the second tray 360.
  • the temperature sensor 710 may be accommodated in the sensor mounting portion 326.
  • the first tray 320 may further include a receiving portion 326a that accommodates an insulating member mounted on the temperature sensor 710.
  • the first tray 320 may further include a plurality of fastening bosses 328a, 328b, and 328c.
  • the plurality of fastening bosses 328a, 328b, and 328c may include a first fastening boss 328a.
  • the heater cover 340 may be seated on the first fastening boss 328a.
  • the first fastening boss 328a may be coupled to a fastening member penetrating the first tray cover 300 and the heater cover 340.
  • the plurality of fastening bosses 328a, 328b, and 328c may further include a second fastening boss 328b.
  • the first tray cover 300 may be seated on the second fastening boss 328b.
  • the second fastening boss 328b may be coupled to a fastening member fastened to the first tray cover 300.
  • the plurality of fastening bosses 328a, 328b, and 328c may further include a third fastening boss 328c.
  • the third fastening boss 328c may be coupled to a fastening member penetrating the first tray cover 300.
  • the first tray 320 may further include a heater seating portion 329 on which the heater 330 is seated.
  • the heater seating portion 329 may be formed as a portion of the first tray 320 is depressed in a direction toward the second tray 360 .
  • the first tray 320 may further include a guide groove 329a that guides a portion of the heater 330 located outside the heater seating portion 329.
  • the first tray 320 may further include a recessed portion 329c that is recessed from the extension portion 324 or the first cell wall 322 toward the second tray 360 .
  • the heater seating portion 329 may be formed by being recessed in the recessed portion 329c. Of course, the recessed portion 329c may be omitted.
  • FIG. 16 is a perspective view of the first tray cover according to the first embodiment as seen from the top
  • FIG. 17 is a perspective view of the first tray cover according to the first embodiment as seen from the bottom.
  • the first tray cover 300 may include a first portion 301.
  • the first portion 301 may be spaced apart from the first tray 320 .
  • At least a portion of the first tray 320 may be positioned between the first portion 301 and the second tray 360.
  • at least a portion of the first portion 301 may be located above the first tray 320 .
  • the first tray cover 300 may further include a second part 302 extending from one side of the first part 301.
  • the second part 302 may extend from the first part 301 in a direction that intersects the first part 301 .
  • the second portion 302 may cover the first pusher 510 in the ice making position.
  • the second part 302 can minimize exposure of the first pusher 510.
  • the second part 302 may be located between the first pusher 510 and the ice making room door 130.
  • a hole 302a may be formed in the second portion 302.
  • a fastening member may pass through the hole 302a.
  • the first tray cover 300 may further include a guide 303.
  • the guide 303 may extend from the first portion 301.
  • the guide 303 may provide a passage for the first pusher 510 to move.
  • the guide 303 may include a guide slot 303a.
  • the first tray cover 300 may further include a water supply hole 301a.
  • the water supply hole 301a may be aligned with the through hole 241 of the water supply unit 240.
  • the first tray cover 300 may further include a communication hole 301b aligned with the auxiliary storage compartment 323d (or through hole 323a, 323b) of the first tray 320.
  • the water supply hole 301a and the communication hole 301b can be collectively referred to as cover openings.
  • a plurality of communication holes 301b may be formed in the first portion 301.
  • the first tray cover 300 may further include a first fastening hole 301d aligned with the first fastening boss 328a.
  • the fastening member may pass through the first fastening hole 301d and the heater cover 340 and be fastened to the first fastening boss 328a.
  • the first tray cover 300 may further include a fastening portion 301e aligned with the second fastening boss 328b.
  • the fastening member may pass through the fastening portion 301e and be fastened to the second fastening boss 328b.
  • the first tray cover 300 may further include a second fastening hole 301f aligned with the third fastening boss 328c.
  • the fastening member may pass through the second fastening hole 301f and be fastened to the third fastening boss 328c.
  • the first part 301 may further include a receiving groove 301g in which the extension wall 323c of the first tray 320 is accommodated.
  • a rib 301c may be formed in a portion of the receiving groove 301g corresponding to the communication hole 301b.
  • the first tray cover 300 may further include a guide cover 304 that contacts a portion of the cold air guide 270.
  • the guide cover 304 may cover a portion of the cold air guide 270.
  • the guide cover 304 may be bent at the first portion 301.
  • the first tray cover 300 may further include a guide contact portion 304a that contacts the cold air guide 270.
  • the guide contact portion 304a may extend upward from the first portion 301.
  • the first tray cover 300 may further include a tray seating portion 305 mounted on the first tray 320 .
  • a tray seating portion 305 mounted on the first tray 320 .
  • a plurality of tray seating units 305 may be arranged to be spaced apart from the first part 301.
  • the tray seating portion 305 may extend downward from both ends of the first portion 301.
  • the first portion 301 may be spaced apart from a portion of the first tray 320 by the tray seating portion 305.
  • the first tray cover 300 may further include a tray coupling portion 306 to be coupled to the first tray 320.
  • the cover coupling part 327 may be coupled to the tray coupling part 306.
  • the cover coupling part 327 may be inserted into the tray coupling part 306.
  • the first tray cover 300 may further include a cover pressing portion 307.
  • the cover pressing part 307 may protrude from the first part 301.
  • the cover pressing unit 307 may press the heater cover 340.
  • the first tray cover 300 may further include a pressing protrusion 308.
  • the pressing protrusion 380 may press the insulation member 720.
  • the first tray cover 300 may further include a heater guide 309.
  • the heater guide 309 may be located adjacent to one tray seating portion 305 among the plurality of tray seating portions 305.
  • a portion of the heater 330 may be located between the heater guide 309 and the work tray seating portion 305.
  • Figure 18 (A) is a perspective view of the bracket according to the first embodiment as seen from one side
  • Figure 18 (B) is a perspective view of the bracket according to the first embodiment as seen from the other side.
  • the bracket 220 may include a first part 221.
  • the first tray assembly 201 may be in contact with or supported on the first portion 221 .
  • the first part 221 may be coupled to the support member 150.
  • the bracket 220 may further include a second part 230 extending from the first part 221.
  • the driving unit 480 may be coupled to the second part 230.
  • the first part 221 may include a first support part 222a that supports the water supply part 240. A portion of the water supply unit 240 may be inserted into the first support unit 222a.
  • the first part 221 may further include a first fastening part 222b through which a fastening member fastened to the water supply unit 240 passes.
  • the first part 221 may further include a second support part 223a supporting the cold air guide 270.
  • the protrusion 273b of the cold air guide 270 may be inserted into the second support portion 223a.
  • the first part 221 may further include a second fastening part 223b through which a fastening member fastened to the cold air guide 270 passes.
  • the first portion 221 may further include a third support portion 224a supporting the first tray assembly 201.
  • the first tray 320 may be supported on the third support part 224a.
  • the third support part 224a may be provided on the first surface of the first part 221.
  • the first portion 221 may further include third fastening portions 224d and 224e through which a fastening member fastened to the first tray 320 passes.
  • third fastening parts 224d and 224e may be arranged to be spaced apart in the horizontal or vertical direction.
  • the first part 221 further includes guide ribs 224b and 224c that guide the position of the first tray 320 while the first tray 320 is supported on the third support part 224a. can do.
  • a plurality of guide ribs 224b and 224c may be arranged to be spaced apart in the horizontal or vertical direction.
  • the first guide rib 224b may be adjacent to or contact the first fastening part 324a.
  • the second guide rib 224c may be adjacent to or contact the second fastening part 324b.
  • the first part 221 may include a first wall 221a. At least a portion of the first wall 221a may extend in the vertical direction.
  • the first part 221 may further include a second wall 221b extending from the bottom of the first wall 221a.
  • the second wall 221b may extend obliquely from the first wall 221a.
  • the first part 221 may further include a third wall 221c extending from the second wall 221b.
  • the second pusher 530 may be coupled to or supported on the first part 221. For example, the second pusher 530 may be coupled to or supported by the third wall 221c.
  • the bracket 220 may further include a bracket extension 225 penetrating the slot 154 of the support member 150.
  • the bracket extension 225 may be formed in the first portion 221.
  • the bracket extension 225 may be provided on a second side of the first wall 221 that is opposite to the first side.
  • the second part 230 may surround a portion of the outer surface of the driving unit 480.
  • the second part 230 may include an opening 232 through which components for connecting the driving unit 480 and the second tray assembly 202 pass.
  • the second part 320 may be provided with a fastening protrusion 231c for fastening with the driving unit 480.
  • a rib 232 for reinforcing strength may be provided at a connection portion between the second part 230 and the first part 221.
  • a plurality of ribs 232 may be arranged in a vertical or horizontal direction.
  • the rib 232 may be formed on the second surface of the first wall 221a.
  • the second part 230 may further include rib receiving parts 231a and 231b that accommodate the extended ribs 484 of the driving part 480.
  • the bracket 220 may further include a lever coupling portion 228 to which the second extension portion 554 of the full ice detection lever 550 is coupled.
  • the lever coupling portion 228 may include a lever through hole 228a.
  • the lever engaging portion 228 may be located on the opposite side of the first portion 221 from the second portion 230 .
  • the lever coupling portion 228 may include, for example, a first part 228c extending from the third wall 221c.
  • the lever coupling portion 228 may further include a second part 228d bent from the first part 228c.
  • the lever through hole 228a may be formed in the second part 228d.
  • Figure 19 is a diagram showing a state in which the first tray assembly and the cold air guide are separated according to the first embodiment.
  • Figure 20 is a diagram showing a state in which the cold air guide according to the first embodiment is seated on the first tray assembly.
  • Figure 21 (A) is a cross-sectional view cut along 21A-21A of Figure 20
  • Figure 21 (B) is a cross-sectional view cut along 21B-21B of Figure 20
  • Figure 22 (A) is a cold air guide and This is a diagram partially showing the state in which the first tray cover is in contact
  • FIG. 22 (B) is a diagram showing the arrangement of the water supply unit, the cold air guide, and the first tray assembly.
  • the heater 330 may be seated on the heater seating portion 329. In this state, the heater cover 340 may be in contact with the heater 330.
  • the temperature sensor 710 may be accommodated in the sensor mounting portion 326.
  • the insulation member 720 may be seated on the upper side of the temperature sensor 710.
  • the first tray cover 300 may be seated on the first tray 320 .
  • the cover coupling portion 327 may be coupled to the tray coupling portion 306.
  • the cold air guide 270 may be seated on the first tray 320.
  • the cold air guide 270 may be seated on the extension portion 324 of the first tray 320.
  • the extension portion 324 may form a lower portion of the cold air flow path 270a.
  • the cold air guide 270 may form another part of the lower side of the cold air flow path 270a.
  • the guide cover 304 may cover a portion of the cold air guide 270.
  • the second inclined surface 275c of the first guide wall 275a may be inclined downward toward the first tray cover 300.
  • the guide cover 304 may cover the second inclined surface 275c.
  • the recessed portion 276c of the cold air guide 270 may be aligned with the water supply hole 301a.
  • the guide contact portion 304a may contact the second guide 275.
  • the guide contact portion 304a may contact the third guide wall 277.
  • One guide 303 among the plurality of guides 303 may be positioned between the second portion 302 of the first tray cover 300 and the cold air guide 270.
  • cold air may be restricted from flowing between the guide contact portion 304a and the second guide 275. Then, the flow of cold air toward the guide 303 may be restricted, thereby preventing freezing of the guide 303.
  • the water supply unit 240 may include a portion located farther from the ice-making cell 203 than the cold air guide 270.
  • the water supply unit 240 may be located above a portion of the cold air guide 270.
  • the water supply unit 240 may be located above the second inclined surface 275c.
  • the lower wall 240a of the water supply unit 240 may be spaced apart from the cold air guide 270. Accordingly, transfer of cold air within the cold air guide 270 to the lower wall 240a may be reduced.
  • the through hole 241 of the water supply unit 240 may be located between the cold air guide 270 and the second part 302.
  • the through hole 241 may be aligned with any first cell portion 321a.
  • the through hole 241 may overlap one of the first cell portions 321a in the vertical direction.
  • the through hole 241 may be aligned with the water supply extension wall 323c1.
  • the water supply extension wall 323c1 may be inserted into the first tray cover 300 or may penetrate the first tray cover 300.
  • At least a portion of the inner peripheral surface 323c2 of the water supply extension wall 323c1 may have a diameter that increases as the distance from the second tray 360 increases.
  • at least a portion of the inner peripheral surface 323c2 of the water supply extension wall 323c1 may have a diameter that increases upward. Therefore, water discharged from the through hole 241 can easily flow into the water supply extension wall 323c1.
  • the water supply unit 240 may be coupled to the cold air guide 270 or may be formed integrally with the cold air guide 270. However, to reduce freezing in the water supply unit 240, at least a portion of the water supply unit 240 may overlap with the heater 330 in the vertical direction. For example, the portion of the water supply unit 240 where the through hole 241 is formed may overlap the heater 330 in the vertical direction. The water supply unit 240 may receive heat from the heater 330. Alternatively, a portion of the water supply unit 240 may contact the heater cover 340. The water supply unit 240 may be coated to prevent water from remaining. Alternatively, the corners may be reduced as much as possible to prevent water from remaining in the water supply unit 240, or the curvature of the area in contact with water may be reduced.
  • the water supply unit 240 may be formed integrally with the first tray cover 300 or may be coupled to the first tray cover 300. In this case, when the first tray cover 300 is coupled with the first tray 320, the through hole 241 of the water supply unit 240 is connected to the water supply extension wall 323c1 of the first tray 320. can be aligned with At least a portion of the water supply unit 240 may be located above the cold air flow path 270a.
  • a cooling passage 310 may be formed between the first portion 301 and the first tray 320.
  • the cooling flow path 310 may communicate with the cold air flow path 270a.
  • a portion of the passage for supplying cold to the ice-making cell 203 may be formed by the cold air passage 270a, and the other portion may be formed by the cooling passage 310.
  • the cold air passage 270a is the first cold passage (or first passage or first cooling passage)
  • the cooling passage 310 is the second cold passage (or second passage or second cooling passage) cooling channel).
  • Cold air may be guided to the second passage through the first passage, and cold air may be supplied to the ice-making cell 203 while the cold air flows through the second passage. Therefore, there is an advantage in that cold air can be concentrated around the ice-making cell 203, thereby reducing ice-making time.
  • At least a portion of the outlet of the cooling passage 310 may be formed at a fourth height H4.
  • the fourth height H4 may be smaller than the height H0 of the first opening 272 and larger than the third height H3.
  • the fourth height H4 may be equal to or greater than the second height H2.
  • the cold air flow rate (or cross-sectional area of the flow path) at the outlet of the cooling passage 310 may be smaller than the cold air flow rate (or cross-sectional area of the flow path) at the first opening 272.
  • the cold air flow rate (or cross-sectional area of the flow path) at the outlet of the cooling flow path 310 may be greater than the cold air flow rate (or cross-sectional area of the flow path) of each of the first to third regions 278a, 278b, and 278c.
  • the area of the outlet of the cooling passage 310 may be larger than the cross-sectional area of the passage at the boundary between the first area 278a and the third guide wall 277 in the cold air passage 270a.
  • the area of the outlet of the cooling passage 310 may be larger than the area of the second opening 278 of the cold air guide 270.
  • Figure 23 (A) is a perspective view of the first tray assembly according to the first embodiment as seen from one side
  • Figure 23 (B) is a perspective view of the first tray assembly according to the first embodiment as seen from the other side.
  • the first tray cover 300 forms a cooling passage 310 together with the first tray 320.
  • the cooling passage 310 may be formed by one surface of the first part 301. Since there is a height difference between at least a portion of the first portion 301 and at least a portion of the extension portion 324, the cooling passage 310 may be formed by the height difference.
  • the first tray 320 may be cooled in the process of cold air flowing along the cooling passage 310.
  • the cover pressing unit 307 may press the heater cover 340.
  • the pressing protrusion 308 may press the insulation member 720.
  • the first part 301 may be seated on the extension wall 323c of the first tray 320. Even if water overflows in the auxiliary storage compartment 323d, the overflowing water may move to the upper side of the first portion 301. Accordingly, because water is restricted from flowing directly into the first tray 320, freezing around the first tray 320 can be prevented.
  • Figure 24 (A) is a perspective view of the second tray assembly according to the first embodiment as seen from above.
  • Figure 24(B) is a perspective view of the second tray assembly according to the first embodiment viewed from the bottom.
  • the second tray 360 may be seated on the second tray supporter 380.
  • a portion of the second tray 360 may penetrate the second tray supporter 380.
  • the second tray cover 350 may be seated on the second tray 360. A portion of the second tray 360 may penetrate the second tray cover 350.
  • the second tray supporter 380, the second tray 360, and the second tray cover 350 may be fastened at once by the fastening member S4.
  • the fastening member S4 may be fastened to the lower side of the second tray supporter 380.
  • the second tray assembly 202 may further include a fixing member 390.
  • the fixing member 390 may be located in the central area.
  • the fixing member 390 may be seated on the second tray 360.
  • a portion of the fixing member 390 may penetrate the second tray 360.
  • the fixing member 390 that penetrates the second tray 360 may contact the second tray supporter 380 or may penetrate the second tray supporter 380 .
  • the second tray supporter 380, the second tray 360, and the fixing member 390 may be fastened at once by the fastening member S5.
  • the fastening member S5 may be fastened to the lower side of the second tray supporter 380.
  • the second tray 360 may define a second cell 361, which is another part of the ice-making cell.
  • the second tray 360 may include a second cell wall 362 forming the second cell 361.
  • the second cell 361 may be formed in a hemispherical shape or a shape similar to a hemisphere.
  • the second tray 360 may form a plurality of second cells 361.
  • the plurality of second cells 361 may be arranged in a plurality of rows to increase the number while reducing the size of the ice produced.
  • the plurality of second cells 361 may include a first cell portion 361a disposed in a first column and a second cell portion 361b disposed in a second column.
  • the first and second rows may be arranged in the Y-axis direction in the drawing.
  • the Y-axis direction may be the front-to-back direction of the refrigerator or the front-to-back direction of the door.
  • the first row may include a plurality of first cell portions 361a.
  • the second row may include a plurality of second cell portions 361b.
  • the first row may be located closer to the front wall 141 or the outer case 101 or the front of the door or the cold air guide 270 than the second row.
  • the second row may be located closer to the ice-making chamber door 130 than the first row. Since the second cell 361 in the second tray 360 may be arranged to correspond to the first cell 321 of the first tray 320, the specific arrangement of the second cell 361 will be omitted. Do this.
  • Figure 29 (A) is a cross-sectional view showing the ice maker in a state where the first bar of the second pusher is in contact with the second tray
  • Figure 29 (B) is a state in which the second bar of the second pusher is in contact with the second tray. This is a cross-sectional view showing the ice maker.
  • Figure 30(A) is a diagram showing a state in which the first bar of the second pusher presses the second tray in the moving position
  • Figure 30(B) shows the second bar of the second pusher pressing the second tray in the moving position. This is a drawing showing the pressurized state.
  • a portion of the cold air guide 270 may be located adjacent to the ice-making cell 203a located furthest from the first opening 272 among the plurality of ice-making cells 203a in the first row.
  • the water supply unit 240 may include a portion located higher than the cold air guide 270.
  • the cold air guide 270 may include a portion located between the rotation center C1 of the second tray assembly 202 and the water supply unit 240.
  • the cold air guide 270 may include a portion located between the first tray 320 and the water supply unit 240.
  • the refrigerator may further include a control unit 100.
  • the control unit 100 may be installed on or spaced apart from an object for control.
  • the control unit 100 may be located inside or outside the object for control.
  • the driving unit 480 may be controlled by the control unit 100.
  • the control unit 100 may control the driving unit 480 to move the second tray assembly 202 to the water supply position, ice making position, full ice detection position, and moving position.
  • the position of the second tray assembly 202 in FIG. 26 is the water supply position.
  • the position of the second tray assembly 202 in FIG. 27 is the ice-making position.
  • the position of the second tray assembly 202 in FIG. 28 is the full ice detection position.
  • the position of the second tray assembly 202 in FIG. 30 is the moving position.
  • the second tray assembly 202 may move in a first direction from the water supply position to the ice making position.
  • the first direction is clockwise in the drawing.
  • the second tray assembly 202 may move from the ice-making position to the water supply position in a second direction opposite to the first direction.
  • the second direction is counterclockwise in the drawing.
  • the second tray assembly 202 may move in the second direction from the water supply position to the full ice detection position.
  • the second tray assembly 202 may move in the second direction from the full ice detection position to the moving position.
  • the second tray assembly 202 may move in the first direction from the moving position to the water supply position.
  • a water supply process may be performed at the water supply position of the second tray assembly 202. Water may be supplied to the ice-making cell 203 through the water supply unit 240.
  • the first cell 321 and the second cell 361 may be spaced apart.
  • the first row may be located closer to the rotation center C1 of the second tray assembly 202 (or the rotation center of the driving unit) than the second row.
  • the distance between the second cell portion 321b of the first tray 320 in the second row and the second cell portion 361b of the second tray 360 is the first tray in the first row ( It may be greater than the distance between the first cell portion 321a of the first tray 320 and the first cell portion 361a of the second tray 360.
  • Each of the first bar 513 and the second bar 514 has a first edge 513b, 514b for pressing ice, and a second edge 513c located on the opposite side of the first edge 513b, 514b. , 514c).
  • the first edges 513b and 514b may be located closer to the ice making cell 203 than the second edges 513c and 514c.
  • the first edges 513b and 514b may be located outside the ice making cell 203.
  • the first edges 513b and 514b may be located outside the cooling passage 310.
  • the second portion 302 of the first tray cover 300 may face the first pusher 510.
  • the second tray assembly 202 When water supply is completed, the second tray assembly 202 can be moved to the ice-making position. When the second tray assembly 202 moves to the ice making position, the first tray 320 and the second tray 360 may come into contact. In this state, a complete ice-making cell 203 can be formed by the first cell 321 and the second cell 322. A portion of the water contained in the second tray 360 may be distributed to the first cell 321 of the first tray 320.
  • a portion of the full ice detection lever 550 may be located below the second pusher 530 .
  • the lever body 552 may be located below the second pusher 530.
  • At least a portion of the first extension 553 connected to the driving unit 480 may extend in a direction approaching the second pusher 530.
  • an ice making process may be performed.
  • the first opening 272 of the cold air guide 270 may be aligned with the first through hole 140a of the ice-making chamber wall 140.
  • Cold air flowing into the ice-making chamber 122 through the first through hole 140a may pass through the first opening 272 of the cold air guide 270.
  • the direction in which cold air flows through the first opening 272 may be a third direction.
  • the third direction may be left and right.
  • the cold air may pass through the second opening 278 after flowing through the cold air flow path 270a.
  • the flow direction of at least a portion of the cold air passing through the second opening 278 may be a fourth direction crossing the third direction.
  • Cold air passing through the second opening 278 may flow through the cooling passage 310.
  • cold air may be supplied to the ice-making chamber 122 during the water supply process.
  • cold air may be supplied to the ice-making chamber 122 only during the ice-making process.
  • Cold air may be supplied to the ice-making chamber 122 even during the moving process.
  • the moving process may include a heating process in which the heater 330 operates. When the heater 330 is turned on, heat from the heater 330 may be transferred to the ice-making cell 203. Ice may be separated from the first tray 320 by the heat of the heater 330. Turning off the heater 330 may be determined based on one or more of the operating time of the heater 330 and the temperature detected by the temperature sensor 710.
  • the moving process may further include a moving process in which the second tray assembly 202 moves.
  • the moving process may be performed after the heater 330 is turned off, or the moving process may be performed while the heater 330 is operating, and the heater 330 may be turned off during the moving process.
  • the second tray assembly 202 may move in the second direction (direction of arrow A) from the ice making position toward the moving position.
  • the full ice detection lever 550 may be moved by receiving power from the driving unit 480.
  • the full ice detection lever 550 may maintain a stopped state before the second tray assembly 202 is rotated to a certain angle in the second direction from the ice making position.
  • the full ice detection lever 550 may be rotated when the second tray assembly 202 is rotated beyond the predetermined angle.
  • the full ice detection lever 550 may be rotated in a first direction (direction arrow B) that is opposite to the rotation direction of the second tray assembly 202.
  • the full ice detection lever 550 may also be moved to the full ice detection position. At this time, the lever body 552 may be spaced apart from the second tray assembly 202.
  • the second tray assembly 202 may be further moved in the second direction toward the moving position. .
  • the full ice detection lever 550 When the second tray assembly 202 is further moved while the full ice detection lever 550 is moved to the full ice detection position, the full ice detection lever 550 is also moved in the second direction to the initial position. You can return. Accordingly, interference between the full ice detection lever 550 and the second tray assembly 202 can be prevented.
  • the bars 513 and 514 of the first pusher 510 are connected to the through holes 323a and 323b of the first tray 320. may be inserted into the first cell 321. In the process of inserting the bars 513 and 514 of the first pusher 510 into the first cell 321, the bars 513 and 514 of the first pusher 510 may pressurize ice.
  • the second pusher 530 may include a first bar 532.
  • the second pusher 530 may further include a second bar 533.
  • the first bar 532 may separate ice from the ice-making cells 203 in the first row.
  • the second bar 533 may separate ice from the ice-making cells 203 in the second row.
  • the first bar 532 of the second pusher 530 first contacts the second tray 360 as shown in (A) of FIG. 29. You can.
  • the first bar 532 may be located closer to the vertical line V1 passing through the rotation center C1 than the second bar 533.
  • the distance between the first row in the second tray 360 and the rotation center C1 is different from the distance between the second row in the second tray 360 and the rotation center C1. Therefore, the positions of the first bar 532 and the second bar 533 need to be different with respect to the vertical line V1 passing through the center of rotation C1.
  • the horizontal distance between the first bar 532 and the vertical line V1 may be shorter than the horizontal distance between the second bar 533 and the vertical line V1.
  • the first bar 532 may include a first pressure surface 532b.
  • the first pressing surface 532b may pressurize a portion of the second tray 360 corresponding to the first row.
  • the second bar 533 may include a second pressure surface 533b.
  • the second pressing surface 533b may pressurize a portion of the second tray 360 corresponding to the second row.
  • the first pressure surface 532b may be inclined with respect to the vertical line V1.
  • the second pressure surface 533b may be inclined with respect to the vertical line.
  • the inclination angle of the first pressing surface 532b may be different from the inclination angle of the second pressing surface 533b.
  • the inclination angle of the first pressing surface 532b with respect to the vertical line may be smaller than the inclination angle of the second pressing surface 533b.
  • the second bar 533 While the first bar 532 is in contact with the second tray 360, the second bar 533 may be spaced apart from the second tray 360. In this state, if the second tray assembly 202 is further moved in the second direction, the second bar 533 may contact the second tray 360 as shown in (B) of FIG. 29.
  • the first bar 532 may be a part of the second cell wall 362 that forms the first row by pressing the first row in the second tray 360 and deformed.
  • a portion of the second cell wall 362 forming the first row is deformed by the first bar 532 to form a second cell wall 362.
  • One row of ice may be separated from the second tray 360.
  • another part of the second cell wall 362 forming the second row may be deformed by the second bar 533 so that the ice in the second row may be separated from the second tray 360.
  • the first edges 513b, 514b of the first and second bars 513, 514 of the first pusher 510 penetrate the first cell 321 and It can be located outside of .
  • the first edges 513b and 514b may be positioned lower than the first tray 320 based on the drawing. According to this embodiment, ice can be sufficiently pressurized by the first edges 513b and 514b, thereby improving moving performance.
  • Ice separated from the second tray assembly 202 may fall downward and be stored in the ice bin 600.
  • the second tray assembly 202 After the second tray assembly 202 is moved to the moving position, it may be moved in the first direction toward the water supply position.
  • Figures 31 (A) and (B) are a perspective view of the cold air guide according to the second embodiment as seen from the top
  • Figures 32 (A) and (B) are a perspective view of the cold air guide according to the second embodiment as seen from the bottom
  • Figure 33(A) is a top view of the cold air guide according to the second embodiment
  • Figure 33(B) is a front view of the cold air guide according to the second embodiment.
  • This embodiment is the same as the first embodiment in other respects, but there is a difference in the shape of the cold air guide. Therefore, hereinafter, the characteristic parts of this embodiment will be described, the same symbols as those in the first embodiment will be used for the same components, and the description of the first embodiment will be used.
  • the shape of the first tray and part of the first tray cover may be changed by changing the shape of the cold air guide, so the changed first tray and first tray cover will be described.
  • the cold air guide 1270 of this embodiment may include a first opening 272.
  • the cold air guide 1270 may further include a second opening 278.
  • the cold air guide 1270 may include a first guide 271 forming the first opening 272.
  • the cold air guide 270 may further include a second guide 275 forming the second opening 278.
  • the second guide 275 may extend from the first guide 271.
  • the first guide 271 and the second guide 275 may define a cold air flow path 270a, which is a passage through which cold air flows.
  • the first guide 271 may further include a round wall 1274.
  • the round wall 1274 may be formed to be convex in a direction away from the ice-making cell 230 or upward.
  • the round wall 1274 may form a lower portion of the cold air flow path 270a. Therefore, the round wall 1274 can be said to be the lower surface of the cold air flow path 270a.
  • the second guide 275 of this embodiment may include one or more of the first to third guide walls 275a, 276, and 277 mentioned in the first embodiment. Accordingly, detailed description of the first to third guide walls 275a, 276, and 277 will be omitted.
  • the cold air guide 1270 may further include a depression 276c for positioning a portion of the water supply unit 240.
  • the height H0 (or flow rate or cross-sectional area) of the first opening 272 may be higher than the height (or flow rate or cross-sectional area) of the second opening 278.
  • the height (or flow rate or cross-sectional area) of the second opening 278 may be constant or variable. Since the description of the variation of the heights H1, H2, and H3 of the second opening 278 is the same as that of the first embodiment, detailed description will be omitted.
  • the cold air guide 1270 may further include a side opening 1276.
  • the side opening 1276 can view the bracket 220.
  • the side opening 1276 may view the first portion 221 of the bracket 220.
  • the first portion 221 of the bracket 220 may cover the side opening 1276. Accordingly, a portion of the bracket 220 may form the cold air flow path 270a. In this case, the area of the cold air flow path 270a may be increased.
  • the cold air guide 1270 may further include a cover contact portion 1275 for contacting the first tray cover 1300, which will be described later.
  • the cover contact portion 1275 may extend from the second guide 275.
  • the cover contact part 1275 may include a first fastening protrusion 1275a to be fastened to the first tray cover 1300.
  • the second guide 275 may further include a second fastening protrusion 1275b to be fastened to the first tray cover 1300.
  • the second fastening protrusion 1275b may protrude from the third guide wall 277.
  • Figure 34 (A) is a perspective view of the first tray assembly according to the second embodiment as seen from one side
  • Figure 34 (B) is a perspective view of the first tray assembly according to the second embodiment as seen from the other side.
  • Figure 35(A) is a perspective view of the first tray assembly according to the second embodiment as seen from another side
  • Figure 35(B) is a cross-sectional view taken along line 35B-35B in Figure 34(A).
  • Figure 36(A) is a cross-sectional view taken along line 36A-36A in Figure 34(A).
  • Figure 36(B) is a cross-sectional view taken along line 36B-36B in Figure 34(A).
  • the first tray assembly of this embodiment may include a first tray 1320, a first tray cover 1300, and a cold air guide 1270.
  • the extension portion 1324 of the first tray 1320 may form a cold air flow path 270a together with the cold air guide 1270.
  • An opening 1324a may be formed in the extension portion 1324.
  • the opening 1324a may be formed by cutting a portion of the extension portion 1324.
  • the opening 1324a may be covered by a cover (not shown) that is separate from the first tray 1320.
  • the cover (not shown) may be part of the first tray cover 1300, the cold air guide 1270, or the bracket 220.
  • the first tray cover 1300 may include a first contact portion 1304a that contacts the cold air guide 1270.
  • the first contact part 1304a may contact the cover contact part 1275.
  • a first fastening opening 1304b through which the first fastening protrusion 1275a is fastened may be formed in the first contact portion 1304a.
  • the first tray cover 1300 may further include a second contact portion 1304c that contacts the cold air guide 1270.
  • the second contact portion 1304c may be spaced apart from the first contact portion 1304a.
  • a second fastening opening 1304d through which the second fastening protrusion 1275b is fastened may be formed in the second contact portion 1304c.
  • the second contact portion 1304 may contact the third guide wall 277.
  • a water supply hole (see 301a in FIG. 16) may be located between the first contact part 1304a and the second contact part 1304c.
  • the height or cross-sectional area of at least a portion of the cooling passage 310 may decrease toward the outlet.
  • at least a portion of the extension portion 1324 of the first tray 1320 may be inclined upward as it moves away from the cold air guide 270 .
  • Figure 37 is a diagram showing a first tray and a first tray cover according to the third embodiment.
  • This embodiment is the same as the first or second embodiments in other respects, except that the cold air guide is formed integrally with the first tray cover. Therefore, hereinafter, only the characteristic parts of this embodiment will be described.
  • cold air guide 2275 may include the first opening, second opening, first guide, and second guide described in the previous embodiments, detailed description will be omitted.
  • the cold air guide 2275 may extend from the first portion 301 of the first tray cover 300 described in the first embodiment, for example. That is, the first tray cover 300 includes a first part 301, a second part 302 extending from a point of the first part 301, and a It may include a third part located opposite the second part 302. The third part may be the cold air guide 2275.
  • This embodiment is the same as the first or second embodiments in other respects, except that the cold air guide is formed integrally with the first tray. Therefore, hereinafter, only the characteristic parts of this embodiment will be described.
  • the first tray 320 of this embodiment may include a cold air guide 2275a. That is, the cold air guide 2275a may be formed integrally with the first tray 2320 and may be a component of the first tray 2320.
  • cold air guide 2275a may include the first opening, second opening, first guide, and second guide described in the previous embodiments, detailed description will be omitted.
  • the cold air guide 2275a may extend from the extension parts 324 and 1324 described in the previous embodiment to form a cold air flow path 2270b.
  • the fastening parts 324a and 324b described in the previous embodiment may extend from the cold air guide 2275a.
  • Figure 39 is a diagram showing a first tray, a first tray cover, and a bracket according to the fifth embodiment.
  • This embodiment is the same as the first or second embodiments in other respects, except that the cold air guide is formed integrally with the bracket. Therefore, hereinafter, only the characteristic parts of this embodiment will be described.
  • the bracket 220 of this embodiment may include a cold air guide 2275b. That is, the cold air guide 2275b may be formed integrally with the bracket 220 and may be a component of the bracket 220.
  • cold air guide 2275b may include the first opening, second opening, first guide, and second guide described in the previous embodiments, detailed description will be omitted.
  • the cold air guide 2275b may extend from the first portion 221 of the bracket 220 described in the previous embodiment. Accordingly, the first portion of the bracket 221 may form a cold air flow path 2270c.
  • the height of the second opening 272 in the cold air guide may be higher than the cooling passage 310.
  • a cooling passage may also be formed on the upper side of the first tray cover 300. That is, not only is a first flow path formed between the first tray cover (300, 1300) and the first tray (320, 1320) by the cold air guide, but also the outside of the first tray cover (300, 1300)
  • a second flow path may be formed (for example, on the upper side).
  • the first flow path may be a closed flow path
  • the second flow path may be an open flow path.
  • slits may be formed in the extension portions 324 and 1324 of the first trays 320 and 1320.
  • some of the cold air in the cold air passage 270a may flow into the cooling passage 310, and other portions may flow toward the second tray assembly 202 through the slit. That is, part of the cold air may cool the first tray, and another part may cool the second tray.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

Le réfrigérateur selon le mode de réalisation de la présente invention comprend : une chambre de fabrication de glaçons fournissant un espace dans lequel des glaçons sont réalisés ; un refroidisseur pour fournir de l'air froid à la chambre de fabrication de glaçons ; une machine à glaçons comprenant un premier ensemble plateau formant une partie d'une cellule de fabrication de glaçons, qui est un espace dans lequel de l'eau subit un changement de phase en glace en raison de l'air froid, et un second ensemble plateau formant l'autre partie de la cellule de fabrication de glaçons ; et un guide d'air froid fournissant un passage, par l'intermédiaire duquel le refroidisseur fournit de l'air froid à la cellule de fabrication de glaçons, et disposé à l'extérieur de la cellule de fabrication de glaçons, le premier ensemble plateau comprenant un premier plateau, le second ensemble plateau comprenant un second plateau, et le guide d'air froid comprenant une première ouverture, qui est un passage par l'intermédiaire duquel l'air froid est introduit dans un espace formé par le guide d'air froid, et une seconde ouverture, qui est un passage par l'intermédiaire duquel l'air froid est évacué de l'intérieur vers l'extérieur de l'espace formé par le guide d'air froid.
PCT/KR2023/020342 2023-01-12 2023-12-11 Réfrigérateur Ceased WO2024150937A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP23916420.5A EP4647691A1 (fr) 2023-01-12 2023-12-11 Réfrigérateur
CN202380090972.1A CN120513373A (zh) 2023-01-12 2023-12-11 冰箱

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2023-0004914 2023-01-12
KR1020230004914A KR20240113021A (ko) 2023-01-12 2023-01-12 냉장고
KR1020230131015A KR20250046938A (ko) 2023-09-27 2023-09-27 냉장고
KR10-2023-0131015 2023-09-27

Publications (1)

Publication Number Publication Date
WO2024150937A1 true WO2024150937A1 (fr) 2024-07-18

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PCT/KR2023/020342 Ceased WO2024150937A1 (fr) 2023-01-12 2023-12-11 Réfrigérateur

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EP (1) EP4647691A1 (fr)
CN (1) CN120513373A (fr)
WO (1) WO2024150937A1 (fr)

Citations (7)

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KR20130079851A (ko) * 2012-01-03 2013-07-11 엘지전자 주식회사 냉장고
KR20160136659A (ko) 2015-05-20 2016-11-30 엘지전자 주식회사 냉장고
KR20180053415A (ko) * 2015-08-31 2018-05-21 엘지전자 주식회사 냉장고
KR20190036681A (ko) * 2017-09-28 2019-04-05 엘지전자 주식회사 냉장고
KR20210026950A (ko) * 2019-09-02 2021-03-10 엘지전자 주식회사 냉장고
CN114174740A (zh) 2019-08-06 2022-03-11 青岛海尔电冰箱有限公司 制冷电器的制冰组件
US20220325934A1 (en) * 2019-12-30 2022-10-13 Hefei Midea Refrigerator Co., Ltd. Ice making system and refrigeration apparatus

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130079851A (ko) * 2012-01-03 2013-07-11 엘지전자 주식회사 냉장고
KR20160136659A (ko) 2015-05-20 2016-11-30 엘지전자 주식회사 냉장고
KR20180053415A (ko) * 2015-08-31 2018-05-21 엘지전자 주식회사 냉장고
KR20190036681A (ko) * 2017-09-28 2019-04-05 엘지전자 주식회사 냉장고
CN114174740A (zh) 2019-08-06 2022-03-11 青岛海尔电冰箱有限公司 制冷电器的制冰组件
KR20210026950A (ko) * 2019-09-02 2021-03-10 엘지전자 주식회사 냉장고
US20220325934A1 (en) * 2019-12-30 2022-10-13 Hefei Midea Refrigerator Co., Ltd. Ice making system and refrigeration apparatus

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Title
See also references of EP4647691A1

Also Published As

Publication number Publication date
CN120513373A (zh) 2025-08-19
EP4647691A1 (fr) 2025-11-12

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