[go: up one dir, main page]

WO2024150960A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

Info

Publication number
WO2024150960A1
WO2024150960A1 PCT/KR2023/020999 KR2023020999W WO2024150960A1 WO 2024150960 A1 WO2024150960 A1 WO 2024150960A1 KR 2023020999 W KR2023020999 W KR 2023020999W WO 2024150960 A1 WO2024150960 A1 WO 2024150960A1
Authority
WO
WIPO (PCT)
Prior art keywords
ice
bar
bars
tray
row
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/KR2023/020999
Other languages
English (en)
Korean (ko)
Inventor
박종영
이동훈
김봉진
염승섭
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 KR1020230131002A external-priority patent/KR20250046930A/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority to EP23916443.7A priority Critical patent/EP4647695A1/fr
Publication of WO2024150960A1 publication Critical patent/WO2024150960A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

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
    • 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
    • F25C1/00—Producing ice
    • F25C1/04—Producing ice by using stationary moulds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C5/00—Working or handling ice
    • F25C5/02—Apparatus for disintegrating, removing or harvesting ice
    • F25C5/04—Apparatus for disintegrating, removing or harvesting ice without the use of saws
    • F25C5/08—Apparatus for disintegrating, removing or harvesting ice without the use of saws by heating bodies in contact with the ice

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 a part of an ice-making cell, which is a space where water changes phase into ice by the 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 that can increase the number of ice produced during one ice making.
  • one embodiment provides a refrigerator in which ice can be smoothly separated from each of a plurality of ice-making cells.
  • one embodiment provides a refrigerator capable of producing sphere-shaped ice in the door.
  • one embodiment provides a refrigerator in which produced ice can be easily withdrawn from a dispenser in the door.
  • 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 ice-making room may be provided in a cabinet and/or a door.
  • 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 first tray assembly may include a first tray forming part of the ice-making cell.
  • the second tray assembly may include a second tray forming another part of the ice-making cell.
  • the ice maker may further include a pusher to separate ice from the second tray.
  • the ice-making cells may be arranged in multiple rows.
  • the pusher may include a first bar in a first row to separate ice in the first row among the plurality of rows.
  • the pusher may further include a second bar in the second row to separate ice in the second row among the plurality of rows.
  • the first bar may be arranged to face between a plurality of second bars.
  • the pusher may include a plurality of first bars in a first row and a plurality of second bars in a second row.
  • the number of the first plurality of bars may be less than the number of the plurality of second bars.
  • the pusher may include a first bar and a second bar provided to be spaced apart from the first bar.
  • the second tray assembly may begin to contact the second bar after the second tray assembly begins to contact the first bar as the second tray assembly moves relative to the second pusher.
  • the number of first bars may be less than the number of second bars.
  • the refrigerator may further include a cold guide provided outside the ice-making cell as a passage through which the cooler supplies cold to the ice-making cell.
  • the cold guide may include a first opening that is a passage through which the cold flows into the space formed by the cold guide.
  • the ice making cell corresponding to the first bar may be disposed upstream from the first opening than the ice making cell corresponding to the second bar.
  • the pusher may include a first bar, a second bar provided to be spaced apart from the first bar, and a third bar provided to be spaced apart from the first and second bars.
  • a line connecting a portion of the outer peripheral surface of the first bar, a portion of the outer peripheral surface of the second bar, and a portion of the outer peripheral surface of the third bar may form an equilateral triangle.
  • At least a portion of the outer peripheral surfaces of the first to third bars may be provided with ribs that protrude outward from the outer peripheral surfaces. One or more ribs may be located within the equilateral triangle.
  • the pusher may include a pusher body, a first bar and a second bar protruding from the pusher body, and a rib may protrude from the pusher body.
  • the rib may contact at least one of the first bar and the second bar or may be adjacent to at least one of the first bar and the second bar.
  • the pusher includes a first bar, a second bar provided to be spaced apart from the first bar, and a third bar provided to be spaced apart from the first bar and the second bar, and a portion of the outer peripheral surface of the first bar, the A line connecting a portion of the outer peripheral surface of the second bar and a portion of the outer peripheral surface of the third bar may form a non-equilateral triangle.
  • the pusher may include a first bar, a second bar provided to be spaced apart from the first bar, a third bar provided to be spaced apart from the first bar and the second bar, and a third bar provided to be spaced apart from the first bar to the third bar. It includes four bars, and a line connecting a portion of the outer peripheral surface of the first bar, a portion of the outer peripheral surface of the second bar, a portion of the outer peripheral surface of the third bar, and a portion of the fourth bar may form a square. At least a portion of the outer peripheral surfaces of the first to fourth bars may be provided with ribs that protrude outward from the outer peripheral surfaces. One or more ribs may be located within the square.
  • the pusher may include a first bar, a second bar provided to be spaced apart from the first bar, a third bar provided to be spaced apart from the first bar and the second bar, and a third bar provided to be spaced apart from the first bar to the third bar. It includes 4 bars, and a line connecting a portion of the outer peripheral surface of the first bar, a portion of the outer peripheral surface of the second bar, a portion of the outer peripheral surface of the third bar, and a portion of the fourth bar may form a non-square. .
  • the pusher includes a plurality of bars spaced apart from each other, and a line connecting a portion of the outer peripheral surface of each of the plurality of bars may form a regular polygon. At least some of the outer peripheral surfaces of the plurality of bars may be provided with ribs that protrude outward from the outer peripheral surfaces.
  • the pusher includes a plurality of bars spaced apart from each other, and a line connecting a portion of the outer peripheral surface of each of the plurality of bars may form a non-regular polygon.
  • the pusher may include a plurality of first bars in a first row for separating ice in a first row among the plurality of rows, and a plurality of second bars in a second row for separating ice in a second row among the plurality of rows. You can.
  • One or more of the plurality of first bars may include ribs protruding outward from the outer peripheral surface.
  • At least one of the plurality of second bars may include ribs protruding outward from the outer peripheral surface.
  • the pusher may further include a pusher body from which the plurality of first bars and the plurality of second bars extend.
  • the rib of the first bar may include an inclined surface that is inclined to become closer to the pusher body as it goes toward the outside of the first bar.
  • the rib of the second bar may include an inclined surface that slopes closer to the pusher body as it goes toward the outside of the second bar.
  • the number of ribs of some of the plurality of first bars may be different from the number of ribs of other portions of the first bars.
  • the number of ribs of some of the plurality of second bars may be different from the number of ribs of other portions of the plurality of second bars.
  • the first bar may include an edge for pressing the first row of ice.
  • the second bar may include an edge for pressing the second row of ice. In the water supply position or the ice making position, the edge of the first bar may be positioned closer to the ice making cell or a vertical center line of the ice making cell than the edge of the second bar.
  • the inclination angle of the edge of the first bar relative to the vertical may be different from the inclination angle of the edge of the second bar.
  • the inclination angle of the edge of the first bar with respect to the vertical line may be smaller than the inclination angle of the edge of the second bar.
  • 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 provided in the door.
  • 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 the first tray, second tray, and pusher described above.
  • the generated spherical ice can be easily withdrawn from the dispenser on the door.
  • Figure 1 (A) is a front view of the refrigerator according to this embodiment
  • Figure 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 this embodiment
  • Figure 2 (B) is a perspective view viewed from the rear of the first refrigerating compartment door according to this embodiment.
  • FIG. 3 (A) is a diagram showing a state in which the basket and filter are separated from the refrigerating compartment door
  • FIG. 3 (B) is a diagram showing a state in which the ice-making compartment door and the cover member are separated from the first refrigerating compartment 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 this embodiment
  • FIG. 5(B) is a view showing the ice-making chamber wall of the door liner of this embodiment.
  • Figure 6 is a view showing a state in which an ice maker is installed on a support member of this embodiment.
  • Figure 7 is a diagram showing the arrangement relationship between the ice maker and the cold air duct in this embodiment.
  • Figure 8 (A) is a perspective view of the ice maker according to this embodiment as seen from one upper side
  • Figure 8 (B) is a perspective view of the ice maker according to this embodiment as seen from the other upper side.
  • Figure 9(A) is a front view of the ice maker of this embodiment
  • Figure 9(B) is a perspective view of the ice maker of this embodiment viewed from below.
  • Figure 10 is an exploded perspective view of the ice maker according to this embodiment.
  • Figure 11 is an exploded front view of the ice maker according to this embodiment.
  • Figure 12 is a perspective view of the first tray according to this embodiment viewed from above.
  • Figure 13 is a perspective view of the first tray according to this embodiment viewed from the bottom.
  • Figure 14 is a perspective view of the first tray cover according to this embodiment as seen from above.
  • 15 is a perspective view of the first tray cover according to this embodiment viewed from the bottom.
  • Figure 16 is a perspective view of a bracket according to this embodiment.
  • Figure 17 (A) is a perspective view of the second tray assembly according to this embodiment viewed from above.
  • Figure 17 (B) is a perspective view of the second tray assembly according to this embodiment viewed from the bottom.
  • Figure 18 (A) is a perspective view of the second tray cover according to this embodiment viewed from above.
  • Figure 18 (B) is a perspective view of the second tray cover according to this embodiment viewed from the bottom.
  • Figure 19 (A) is a perspective view of the second tray according to this embodiment as seen from one side
  • Figure 19 (B) is a perspective view of the second tray according to this embodiment as seen from the other side.
  • Figure 20 is a perspective view of the second tray according to this embodiment viewed from the bottom.
  • Figure 21 (A) is a perspective view of the second tray supporter of this embodiment viewed from above.
  • Figure 21(B) is a perspective view of the second tray supporter of this embodiment as seen from below.
  • Figure 22 is a perspective view of the second pusher according to this embodiment as seen from the front.
  • Figure 23 is a perspective view of the second pusher according to this embodiment viewed from the rear.
  • Figure 24(A) is a front view of the second pusher according to this embodiment
  • Figure 24(B) is a bottom view of the second pusher according to this embodiment.
  • Figure 25(A) is a side view of the second pusher according to this embodiment
  • Figure 25(B) is a cross-sectional view taken along line 25B-25B in Figure 24(A).
  • Figure 26 is a cross-sectional view showing the ice maker at the water supply position of the second tray assembly of this embodiment.
  • Figure 27 is a cross-sectional view showing the ice maker in the ice making position of the second tray assembly of this 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.
  • FIG. 31 is a control block diagram of a refrigerator according to this 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 the refrigerator according to this embodiment
  • FIG. 1 (B) is a view showing one door of the refrigerator in a separated state.
  • FIG. 3 (A) is a diagram showing a state in which the basket and filter are separated from the refrigerating compartment door
  • FIG. 3 (B) is a diagram showing a state in which the ice-making compartment door and the cover member are separated from the first refrigerating compartment 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.
  • the refrigerating compartment 18 is opened and closed by the first refrigerating compartment door 10 and the second refrigerating compartment door 20.
  • 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 may be provided in the refrigerating compartment 18 or the freezing 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 (first basket) 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.
  • 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.
  • 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 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.
  • Figure 5 (A) is a diagram showing a cold air duct connected to the door liner of this embodiment
  • Figure 5 (B) is a diagram showing the ice-making room wall of the door liner of this embodiment
  • Figure 6 is a diagram of this embodiment. This is a drawing showing the ice maker installed on the support member.
  • Figure 7 is a diagram showing the arrangement relationship between the ice maker and the cold air duct in this 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 this embodiment as seen from one upper side
  • Figure 8 (B) is a perspective view of the ice maker according to this embodiment as seen from the other upper side
  • Figure 9 (A) is a perspective view of the ice maker according to this embodiment from the other side.
  • This is a front view of the ice maker of this embodiment
  • Figure 9 (B) is a perspective view of the ice maker of this embodiment viewed from below.
  • Figure 10 is an exploded perspective view of the ice maker according to this embodiment
  • Figure 11 is an exploded front view of the ice maker according to this 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.
  • the ice maker 200 may further 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 cold air guide 270 may include a first opening 272. The first opening 272 allows cold air to be supplied to the ice-making cell 203 to flow in.
  • the driving unit 480 may be located on the opposite side of the second side wall 144 or the cold air guide 270 with respect to the ice maker 200.
  • Slots 146 and 147 through which one or more of a water pipe through which water flows and a connector (or wire) for connection to the ice maker 200 pass may be formed in the ice-making chamber wall 140.
  • the slots 146 and 147 may be formed in the front wall 141.
  • a portion of the water may be phase-changed into ice while contained in a portion of the ice-making cell 203 formed by the first tray assembly 201. Another part of the water may be phase-changed into ice while contained in another part of the ice-making cell 203 formed by the second tray assembly 202. In a state where ice making is completed, a portion of the ice may contact the first tray assembly 201. When ice making is completed, another part of the ice may contact the second tray assembly 202.
  • 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 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 further 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 first tray 320 may be coupled to the bracket 220.
  • the first tray 320 may be coupled to the bracket 220 while the first tray cover 300 is coupled to one side of the first tray 320 .
  • the first tray 320 may be coupled to the support member 150 or the ice-making chamber wall 140.
  • 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 include a heater case 340 (or heater cover).
  • the heater case 340 may include a portion that contacts the heater 330 or is supported by the heater 330 .
  • the heater case 340 may cover the heater 330.
  • the heater case 340 may be separate from the first tray cover 300 or may be formed integrally with the first tray cover 300.
  • the heater case 340 may press the heater 330 toward the first tray 320 .
  • the heater case 340 may be located between the first tray 320 and the first tray cover 300.
  • the heater case 340 may be located above a portion of the first tray 320 and 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 include a part that contacts or supports 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.
  • 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.
  • 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 ice maker 200 may further include a full ice detection lever 550.
  • 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 is a perspective view of the first tray according to this embodiment viewed from the top
  • Figure 13 is a perspective view of the first tray according to this 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 cell portion 321a may form a part of the first ice-making cells in the first row
  • the second cell portion 321b may form a part of the second ice-making cells in the second row.
  • 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 number of through holes 323a and 323b may be equal to the number of first cells 321.
  • 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.
  • the first tray 320 may further include an extension wall 323c.
  • the extension wall 323c may extend upward around the through holes 323a and 323b to form the auxiliary storage compartment 323d.
  • the extension wall 323c may extend from the first cell wall 322.
  • the auxiliary storage room 323d may be a space where ice is produced.
  • the auxiliary storage compartment 323d may be a part of the ice making cell 203.
  • 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 tray 320 may further include an extension portion 324.
  • the extension portion 324 may include a portion extending from the first cell wall 322 .
  • the extension portion 324 may contact a portion of the cold air guide 270 or support the cold air guide 270.
  • the extension portion 324 may include a portion spaced apart from the cold air guide 270. Cold air may flow in the space between the extension portion 324 and the cold air guide 270.
  • the extension portion 324 may include a first extension wall 324e.
  • the extension portion 324 may further include a second extension wall 324d.
  • the second extension wall 324d may extend in a direction crossing the first extension wall 324e.
  • the first tray 320 may further include one or more fastening parts for fastening to the bracket 220.
  • the first tray 320 may include a first fastening part 324a.
  • the first tray 320 may further include a second fastening part 324b.
  • the bracket 220 is omitted, the first and second fastening parts 324a and 324b may contact or be supported by the ice-making chamber wall 140.
  • the extension portion 324 may further include the first and second fastening parts 324a and 324b.
  • the first and second fastening parts 324a and 324b may extend from one end of the first extension wall 324e in a direction away from the second tray 360.
  • the first and second fastening parts 324a and 324b may be arranged to be spaced apart in the X-axis direction (a direction crossing the Y-axis, for example, a horizontal direction).
  • the first and second fastening parts 324a and 324b may include a fastening hole 324c.
  • the first tray 320 may further include a supporter 325 that supports the movement of the second tray assembly 202.
  • a supporter 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 is coupled to the hole 325a of the supporter 325, and the intermediate member 416 is installed in the supporter 325 to prevent the intermediate member 416 from rotating with respect to the supporter 325.
  • a slot 325b into which a portion of 416 is inserted may be provided. The slot 325b may extend outward from the hole 325a.
  • the intermediate member 416 may be formed of a material different from that of the first tray 320.
  • the entire first tray 320 may be made of the same material, or at least a portion may be made of a metal material.
  • the first tray 320 may further include a bracket coupling portion 325c to be coupled to the bracket 220.
  • the bracket coupling portion 325c may protrude from the extension portion 324.
  • the bracket coupling portion 325c may be located between a plurality of supports 325.
  • the first tray 320 may further include a cover coupling portion 327 to be coupled to the first tray cover 300.
  • a cover coupling portion 327 to be coupled to the first tray cover 300.
  • a plurality of cover coupling parts 327 may be arranged to be spaced apart in the left-right direction or the front-back direction.
  • the cover coupling part 327 may protrude from the extension part 324.
  • 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 the heat insulating member 720 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 case 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 case 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.
  • the recessed portion 329c may be omitted.
  • Figure 14 is a perspective view of the first tray cover according to this embodiment as seen from the top
  • Figure 15 is a perspective view of the first tray cover according to this embodiment as seen from the bottom.
  • the first tray cover 300 may include a first portion 301. At least a portion of the first portion 301 may be spaced apart from the first tray 320 . For example, 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 part 302 may extend from the first part 301 in a direction away from the first tray 320 .
  • 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 extends from the first portion 301 and may provide a passage for the first pusher 510 to move.
  • the guide 303 may extend from the first part 301 in a direction that intersects the first part 301 .
  • 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.
  • 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 case 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 part 301e may protrude from the first part 301.
  • 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 case contact portion 307.
  • the case contact portion 307 may protrude from the first portion 301.
  • the case contact portion 307 may contact the heater case 340.
  • the case contact part 307 may pressurize the heater case 340.
  • a plurality of case contact portions 307 may be arranged to be spaced apart in the front-back and left-right directions.
  • the first tray cover 300 may further include a pressing protrusion 308.
  • the pressing protrusion 380 may press the insulation member 720.
  • a plurality of pressing protrusions 308 may protrude from the first portion 301.
  • 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.
  • the heater guide 309 may protrude from the first part 301.
  • a portion of the heater 330 may be located between the heater guide 309 and the work tray seating portion 305.
  • Figure 16 is a perspective view of the bracket according to this embodiment.
  • the bracket 220 may include a first portion 221.
  • the first tray assembly 201 may be coupled to 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 water supply unit 240 may be coupled to the first part 221.
  • the cold air guide 270 may be coupled to the first part 221.
  • the second pusher 530 may be coupled to the first part 221.
  • the first part 221 may further include a pusher support portion 227c on which the second pusher 530 is supported. A portion of the second pusher 530 may be inserted into the pusher support portion 227c.
  • the first part 221 may further include a fastening portion 227d through which a fastening member fastened to the second pusher 530 passes.
  • the first part 221 may further include a slot 227a into which a part of the second pusher 530 is inserted or for exposing a part of the second pusher 530 . With a portion of the second pusher 530 aligned with the slot 227a, a fastening member may pass through the second pusher 530 and be fastened to the support member 150.
  • the first part 221 may include a plurality of slots 227a. The plurality of slots 227a may be spaced apart in the horizontal or vertical direction. The slot 227a may be located between the fastening part 227d and the pusher support part 227c.
  • 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 third wall 221c may be divided into a part that extends in the horizontal direction or is inclined with respect to the horizontal plane, and a part that extends in the vertical direction or is inclined with respect to the horizontal plane.
  • the second wall 221b may be omitted, and the third wall 221c may extend from the lower side of the first wall 221a.
  • 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 second part 230 may surround the driving unit 480.
  • the second part 230 may be provided with an opening 232 through which components for connecting the driving unit 480 and the second tray assembly 202 pass.
  • Figure 17 (A) is a perspective view of the second tray assembly according to this embodiment viewed from above.
  • Figure 17 (B) is a perspective view of the second tray assembly according to this 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. Although it is not limited, when the second tray assembly 202 is divided into three areas in the X-axis direction (left and right directions), the fixing member 390 may be located in the central area. The fixing member 390 may be seated on the second tray 360. When the fixing member 390 is 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.
  • 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 18 (A) is a perspective view of the second tray cover according to this embodiment viewed from above.
  • Figure 18 (B) is a perspective view of the second tray cover according to this embodiment viewed from the bottom.
  • the second tray cover 350 may include a cover body 351.
  • the cover body 351 may be formed in a closed loop shape. That is, the cover body 351 may form an opening 352 through which the second tray 360 passes.
  • the cover body 351 may include a round surface 351a.
  • the round surface 351a may be formed to correspond to the curved wall 365a of the second tray 360, which will be described later.
  • the round surface 351a may contact the curved wall 365a of the second tray 360.
  • the cover body 351 may further include a plurality of fastening protrusions 353 and 353a.
  • the plurality of fastening protrusions 353 and 353a may pass through the second tray 360 and be coupled to the second tray supporter 380.
  • the plurality of fastening protrusions 353 and 353a may include a first fastening protrusion 353.
  • the first fastening protrusion 353 may protrude from the cover body 351.
  • the plurality of fastening protrusions 353 and 353a may further include a second fastening protrusion 353a.
  • the cover body 351 may be provided with an extension portion 351b extending to the opening 352.
  • the second fastening protrusion 353a may extend from the extension part 351b.
  • the cover body 351 may include a first groove 355 in which a first protrusion 368a, which will be described later, is accommodated. While the first protrusion 368a is accommodated in the first groove 355, the first protrusion 368a may be exposed to the outside. Conversely, it is also possible for the first protrusion to be formed in the cover body 351 and the first groove (or first hole) to be formed in the second tray 360.
  • the second tray cover 350 may further include a recessed portion 356.
  • the recessed portion 356 may be provided in the cover body 351.
  • the recessed portion 356 may be provided in a position corresponding to the first fastening protrusion 353 in the cover body 351.
  • the recessed portion 356 may be recessed in the cover body 351 toward the first fastening protrusion 353.
  • FIG. 19 (A) is a perspective view of the second tray according to this embodiment as seen from one side
  • FIG. 19 (B) is a perspective view of the second tray according to this embodiment as seen from the other side
  • FIG. 20 is a perspective view of the second tray according to this embodiment. This is a perspective view of the second tray according to .
  • the second tray 360 may define a second cell 361, which is another part of the ice making cell 203.
  • 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 first cell portion 361a may be positioned to correspond to an area between two adjacent second cell portions 361b or to face the area between two adjacent second cell portions 361b. That is, the first cell portion 361a and the second cell portion 361b may be arranged in a zigzag shape.
  • the second tray 360 may further include a pusher contact portion 362a that the second pusher 530 contacts during the moving process.
  • the pusher contact portion 362a may be formed on the second cell wall 362.
  • the thickness of the second cell wall 362 in the circumferential direction may be different from the thickness of the pusher contact portion 362a.
  • the thickness of the pusher contact portion 362a may be greater than the thickness of the second cell wall 362.
  • the pusher contact portion 362a may include a flat surface.
  • the second tray 360 may further include a peripheral wall 365.
  • the peripheral wall 365 may extend from the second cell wall 362 toward the first tray 320 .
  • the peripheral wall 365 may surround the first cell wall 322.
  • the peripheral wall 365 may include a curved wall 365a.
  • the curved wall 365a may be located adjacent to the first cell portion 361a.
  • the peripheral wall 365 may further include a straight wall 365b.
  • the straight wall 365b may be parallel to the Z axis.
  • the straight wall 365b may be located adjacent to the second cell portion 361b.
  • the peripheral wall 365 may further include a connecting wall 365c connecting the straight wall 365b and the curved wall 365a.
  • the connecting wall 365c may be rounded in the Z-axis direction.
  • the curvature of the curved wall 365a may be different from the curvature of the connecting wall 365c.
  • the curvature of the curved wall 365a may be greater than the curvature of the connecting wall 365c.
  • the cover body 351 may surround the outer peripheral surface of the peripheral wall 365.
  • the second tray 360 may further include an extension portion 367.
  • the extension portion 324 may extend from the second cell wall 362 or the peripheral wall 365.
  • the extension portion 367 may extend from the boundary between the second cell wall 362 and the peripheral wall 365.
  • the extension portion 367 may extend in a direction intersecting the peripheral wall 365.
  • the second tray cover 350 may be seated on one surface of the extension portion 367.
  • the other surface of the extension portion 367 may be seated on the second tray supporter 380.
  • a first protrusion 368a may be formed on one surface of the extension portion 367.
  • a second protrusion 368 may be formed on the other surface of the extension portion 367.
  • the first protrusion 368a may be bent one or more times in the horizontal direction.
  • the first protrusion 368a may include a first part and a second part that is inclined to the first part.
  • the first protrusion 368a may be formed in a “V” shape, for example.
  • the second protrusion 368 may be bent one or more times in the horizontal direction.
  • the second protrusion 368 may include a first part and a second part that is inclined to the first part.
  • the second protrusion 368 may be formed in a “V” shape, for example.
  • the other surface of the extension portion 367 may be provided with a third protrusion 369 to be coupled to the second tray supporter 380.
  • the third protrusion 369 may overlap the curved wall 365a in the Z-axis direction.
  • the second protrusion 368 may be located closer to the straight wall 365b than the curved wall 365a.
  • the first protrusion 368a may be located adjacent to the second shell portion 361b.
  • the second protrusion 368 may be located adjacent to the second cell portion 361b.
  • the third protrusion 369 may be located adjacent to the first cell portion 361a.
  • a plurality of holes 367a through which the fastening protrusions 353 and 353a pass may be formed in the extension portion 367.
  • a portion of the extension portion 367 where the fastening protrusions 353 and 353a are formed (referred to as a “fixed end”) is fixed to the second tray cover 350 and the second tray supporter 380.
  • the second pusher 530 presses the second tray 360 the walls forming each of the second cells 361 must be independently deformed so that the ice can be easily separated from the second cells 361. You can.
  • the wall is not independently deformed in the portion located far from the fixed end, but only maintains its original shape or has a small amount of deformation. Movement with ice may occur. In this case, ice may not be separated from the second cell 361. For example, when dividing the second tray 360 into three areas in the left and right directions, there is a possibility that moving performance may deteriorate in the center area.
  • the fixing member 390 may fix the central area of the second tray 320. Since the fixing member 390 serves as the fixing end, some of the second cells are located adjacent to the fixing member 390. Moving performance can be improved because the wall of the second cell located adjacent to the fixing member 390 can be independently deformed during the moving process.
  • the second tray 360 may further include a fixing groove 364 in which the fixing member 390 is accommodated.
  • the second tray 360 may further include a protruding wall 364a extending from a portion corresponding to the fixing groove 364.
  • the fixing member 390 may penetrate the fixing groove 364 and be positioned within the protruding wall 364a.
  • Figure 21 (A) is a perspective view of the second tray supporter of this embodiment viewed from above.
  • Figure 21 (B) is a perspective view of the second tray supporter of this embodiment viewed from below.
  • the second tray supporter 380 may include a supporter body 381 supporting the second tray 360.
  • the supporter body 381 may include a receiving portion 381a in which a portion of the second tray 360 is accommodated.
  • the receiving portion 381a may accommodate each of the plurality of second cells 361 of the second tray 360.
  • the second cell wall 362 can be accommodated in the receiving portion 381a.
  • the second tray supporter 380 may further include a supporter opening 382 through which the second tray 360 passes.
  • the supporter openings 382 may also be arranged in a first row and a second row.
  • the supporter body 381 may include a first support surface 383a and a second support surface 383b that is stepped from the first support surface 383a.
  • the first support surface 383a may support the second cell wall 362 or the peripheral wall 365.
  • the second support surface 383b may support the extension portion 367.
  • the shape of the supporter body 381 can be modified into various forms.
  • the second tray supporter 380 may include a plurality of through holes 384 and 384a through which the fastening protrusions 353 and 353a pass.
  • the plurality of through holes 384 and 384a may include a first through hole 384 through which the first fastening protrusion 353 passes.
  • the plurality of through holes 384 and 384a may include a first through hole 384a through which the second fastening protrusion 353a passes.
  • the second tray supporter 380 may include a first protrusion groove 385 in which the second protrusion 368 is accommodated. While the second protrusion 368 is accommodated in the first protrusion groove 385, the second protrusion 368 may be exposed to the outside.
  • the second tray supporter 380 may further include a second protrusion groove 385a in which the third protrusion 369 is accommodated. While the third protrusion 369 is accommodated in the second protrusion groove 385a, the third protrusion 369 may be exposed to the outside.
  • the second tray supporter 380 may further include coupling portions 386 and 386a extending from the supporter body 381.
  • a plurality of coupling portions 386 and 386a may be arranged to be spaced apart in the horizontal direction (X-axis direction).
  • the plurality of coupling portions 386 and 386b may include a first coupling portion 386a to which the first transmission portion 420 is coupled.
  • the plurality of coupling portions 386 and 386a may further include a second coupling portion 386 to which the second transmission portion 421 is coupled.
  • Each of the plurality of coupling portions 386 and 386a may include a coupling hole 386b.
  • the rotation center of the second tray assembly 202 may be located in the coupling hole 386b.
  • the second tray supporter 380 may further include a link coupling portion 387 to which the pusher link 440 is coupled.
  • the link coupling portion 387 may be formed in a cylindrical shape, for example.
  • the link coupling portion 387 may protrude from the supporter body 381 in the horizontal direction.
  • the link coupling portion 387 may be located closer to the bottom of the supporter body 381 than the rotation center.
  • the second tray supporter 380 may further include an elastic member coupling portion 388 to which the elastic member 460 is coupled.
  • the distance between the elastic member coupling portion 388 and the link coupling portion 387 in the Z-axis direction may be smaller than the distance between the link coupling portion 387 and the center of rotation.
  • the second tray supporter 380 may further include a hole 389 through which the fixing member 290 passes.
  • the protruding wall 364a may be received in the hole 389.
  • Figure 22 is a perspective view of the second pusher according to this embodiment as seen from the front.
  • Figure 23 is a perspective view of the second pusher according to this embodiment as seen from the rear.
  • Figure 24 (A) is a front view of the second pusher according to this embodiment, and
  • Figure 24 (B) is a bottom view of the second pusher according to this embodiment.
  • Figure 25(A) is a side view of the second pusher according to this embodiment, and Figure 25(B) is a cross-sectional view taken along line 25B-25B in Figure 24(A).
  • the pusher 530 may include a plurality of bars 532 and 533.
  • the plurality of bars 532 and 533 may include a first bar 532 arranged in a first row and a second bar 533 arranged in a second row.
  • the first bar 532 and the second bar 533 may be spaced apart in the Z-axis direction.
  • the first row may include a plurality of first bars 532.
  • the second row may include a plurality of second bars 533.
  • the second pusher 530 may include a pusher body 531.
  • the pusher body 531 may be formed to be long in the X-axis direction.
  • the plurality of bars 532 and 533 may extend from the pusher body 531.
  • the second row may be located closer to the front wall 141 or the outer case 101 than the first row.
  • the first row may be located closer to the ice-making chamber door 130 than the second row. In the water supply position or the ice making position, the first row may be located closer to the ice making cell 203 than the second row.
  • the number of first bars 532 may be the same as or different from the number of second bars 533.
  • the number of first bars 532 may be less than the number of second bars 533.
  • the first bar 532 may be positioned to correspond to the area between two adjacent second bars 533 or to face the area between two adjacent second bars 533 . That is, the first bar 532 and the second bar 533 may be arranged in a zigzag shape.
  • Each of the first bar 532 and the second bar 533 may include grooves 532a and 533a.
  • the strength of the first bar 532 and the second bar 533 can be improved by the grooves 532a and 533a.
  • the second pusher 530 may include a first fastening part 531a and a second fastening part 531b extending from the pusher body 531 to both sides.
  • the first fastening part 531a may be inserted into the pusher support part 227c of the bracket 220.
  • the second fastening part 531b may be aligned with the fastening part 227d of the bracket 220.
  • a fastening hole 531c may be formed in each of the first fastening part 531a and the second fastening part 531b.
  • the pusher body 531 may include a recessed portion 536.
  • a fastening opening 536a may be formed in the recessed portion 536.
  • the fastening member may be fastened to the support member 150 by penetrating the fastening opening 536a and the slot 227a of the bracket 220.
  • the pusher body 531 may further include a stepped surface 531d. Based on the step surface 531d, the pusher body 531 is divided into a first body 531e provided with the first bar 532 and a second body 531f provided with the second bar 533. can be distinguished.
  • the first body 531e and the second body 531f may be arranged in the Z-axis direction.
  • the surface of the first body 531e on which the first bar 532 is provided may include an inclined surface.
  • the surface of the second body 531f on which the second bar 533 is provided may include an inclined surface.
  • the first body 531e may be coupled to the bracket 220.
  • the first bar 532 may pressurize the ice-making cells in the first row
  • the second bar 533 may pressurize the ice-making cells in the second row.
  • the ice-making cells in the first row may be disposed upstream from the first opening 272 than the ice-making cells in the second row.
  • the first bar 532 may protrude from the pusher body 531 in a straight line or in a curved line.
  • the second bar 533 may protrude from the pusher body 531 in a straight line or in a curved line.
  • the curved portion of the first bar 532 may include a portion different from the curvature of the curved portion of the second bar 533.
  • the curved portion of the first bar 532 may include a portion having a greater curvature than the curvature of the curved portion of the second bar 533.
  • the length of the first bar 532 may be the same as or different from the length of the second bar 533.
  • the distance between two adjacent first bars 532 may be the same as or different from the distance between other two adjacent first bars 532.
  • the distance between two adjacent second bars 533 may be the same as or different from the distance between other two adjacent first bars 533.
  • Each of the first bar 532 and the second bar 553 may include first edges 532b and 533b.
  • the first edge 532b of the first bar 532 may push a portion corresponding to the first row in the second tray 360.
  • the first edge 533b of the second bar 533 may push a portion corresponding to the second row in the second tray 360. That is, the first edges 532b and 533b of the first bar 532 and the second bar 553 may include a push surface for pushing the second tray 360 (or ice).
  • the first bar 532 and the second bar 553 may include second edges 532c and 533c located on opposite sides of the first edges 532b and 533b.
  • the second edges 532c and 533c may be connected to the pusher body 531.
  • the first edge 532b of the first bar 532 may be inclined with respect to the vertical line.
  • the first edge 533b of the second bar 533 may be inclined with respect to the vertical line.
  • the inclination angle of the first edge 532b of the first bar 532 with respect to the vertical line may be different from the inclination angle of the first edge 533b of the second bar 533.
  • the inclination angle of the first edge 532b of the first bar 532 with respect to the vertical line may be smaller than the inclination angle of the second edge 533b of the second bar 533.
  • the second tray assembly 202 comes into contact with the first bar 532 and then comes into contact with the second bar 533. You can start making contact.
  • One or more of the plurality of first bars 532 in the first row may include ribs protruding outward from the outer peripheral surface.
  • One or more of the plurality of first bars 533 in the second row may include ribs protruding outward from the outer peripheral surface.
  • the rib may protrude from the push body and contact or be adjacent to the bar.
  • the plurality of first bars 532 in the first row include a first outer bar 5321 and a second outer bar 5322 located at the outermost side, and the first outer bar 5321 and the second outer bar ( It may include one or more intermediate bars 5323 positioned between 5322).
  • the first outer bar 5321 may include ribs 534b and 534d.
  • the first outer bar 5321 may include a plurality of ribs 534b and 534d.
  • the plurality of ribs 534b and 534d may include a first rib 534b extending toward an adjacent first bar (for example, the middle bar 5323).
  • the plurality of ribs 534b and 534d may include a second rib 534d extending toward the second row.
  • the second outer bar 5322 may include ribs 534b and 534d.
  • the first outer bar 5322 may include a plurality of ribs 534b and 534d.
  • the plurality of ribs 534b and 534d may include a first rib 534b extending toward an adjacent first bar (for example, the middle bar 5323).
  • the plurality of ribs 534b and 534d may include a second rib 534d extending toward the second row.
  • the middle bar 5323 may include ribs 534b, 534c, and 534d.
  • the middle bar 5323 may include, for example, a plurality of ribs 534b, 534c, and 534d.
  • the number of ribs of the middle bar 5323 may be different from the number of ribs of the first outer bar 5321.
  • the number of ribs of the middle bar 5323 may be different from the number of ribs of the second outer bar 5322.
  • the plurality of ribs 534b, 534c, and 534d of the middle bar 5323 may include a first rib 534b and a third rib 534c extending toward the adjacent first bar.
  • the first rib 534b and the third rib 534c of the middle bar 5323 may be located on opposite sides of each other.
  • the plurality of ribs 534b, 534c, and 534d of the middle bar 5323 may include a second rib 534d extending toward the second row.
  • the ribs 534b, 534c, and 534d extend from the first bar 532 and may be in contact with the pusher body 531 or may be formed integrally with the pusher body 531.
  • the ribs 534b, 534c, and 534d may include inclined surfaces.
  • the ribs 534b, 534c, and 534d may be inclined toward the pusher body 531 as they move outward from the first bar 532.
  • the ribs 534b, 534c, and 534d may include portions located closer to the second edge 532c than to the first edge 532b.
  • the plurality of second bars 533 in the second row include a first outer bar 5331 and a second outer bar 5332 located at the outermost side, and the first outer bar 5331 and the second outer bar ( It may include one or more intermediate bars 5333 positioned between 5332).
  • the first outer bar 5331 may include ribs 535b and 535d.
  • the first outer bar 5331 may include a plurality of ribs 535b and 535d.
  • the plurality of ribs 535b and 535d may include a first rib 535b extending toward the adjacent first bar 532.
  • the plurality of ribs 535b and 535d may include a second rib 535d extending in a direction toward the first row.
  • the second rib 535d may extend in the Z-axis direction
  • the first rib 535b may extend in a direction intersecting the Z-axis.
  • the middle bar 5333 may include ribs 535b, 535c, and 535d.
  • the middle bar 5333 may include, for example, a plurality of ribs 535b, 535c, and 535d.
  • the number of ribs of the middle bar 5333 may be different from the number of ribs of the first outer bar 5331.
  • the number of ribs of the middle bar 5323 may be different from the number of ribs of the second outer bar 5332.
  • the middle bar 5333 may include a first rib 535b extending toward one adjacent first bar 532.
  • the middle bar 5333 may include a third rib 535c extending toward another adjacent first bar 532.
  • the middle bar 5333 may include a second rib 535d extending in a direction toward the first row.
  • the second rib 535c may be located between the first rib 535b and the third rib 535c.
  • the positions of the plurality of bars in the second pusher 530 are not limited to the above and can be modified to various positions. Accordingly, the positional relationship between the plurality of bars and the ribs of the second pusher 530 may be as follows. .
  • the second pusher 530 may include a first bar, a second bar provided to be spaced apart from the first bar, and a third bar provided to be spaced apart from the first and second bars.
  • a line connecting a portion of the outer peripheral surface of the first bar, a portion of the outer peripheral surface of the second bar, and a portion of the outer peripheral surface of the third bar may form an equilateral triangle.
  • At least a portion of the outer peripheral surfaces of the first to third bars may be provided with ribs that protrude outward from the outer peripheral surfaces.
  • Two or more of the first to third bars may be arranged to be spaced apart in the Z-axis direction. One or more ribs may be located within the equilateral triangle.
  • the second pusher may include a first bar, a second bar provided spaced apart from the first bar, and a third bar provided spaced apart from the first bar and the second bar.
  • a line connecting a portion of the outer peripheral surface of the first bar, a portion of the outer peripheral surface of the second bar, and a portion of the outer peripheral surface of the third bar may form a non-equilateral triangle.
  • Two or more of the first to third bars may be arranged to be spaced apart in the Z-axis direction.
  • One or more ribs may be located within the non-equilateral triangle.
  • the second pusher includes a first bar, a second bar provided to be spaced apart from the first bar, a third bar provided to be spaced apart from the first bar and the second bar, and the first to second bars. It may include a fourth bar spaced apart from the third bar.
  • a line connecting a portion of the outer peripheral surface of the first bar, a portion of the outer peripheral surface of the second bar, a portion of the outer peripheral surface of the third bar, and a portion of the fourth bar may form a square.
  • At least a portion of the outer peripheral surfaces of the first to fourth bars may be provided with ribs that protrude outward from the outer peripheral surfaces. One or more ribs may be located within the square.
  • the second pusher includes a first bar, a second bar provided to be spaced apart from the first bar, a third bar provided to be spaced apart from the first bar and the second bar, and the first to second bars. It may include a fourth bar spaced apart from the third bar.
  • a line connecting a portion of the outer peripheral surface of the first bar, a portion of the outer peripheral surface of the second bar, a portion of the outer peripheral surface of the third bar, and a portion of the fourth bar may form a non-square shape.
  • At least a portion of the outer peripheral surfaces of the first to fourth bars may be provided with ribs that protrude outward from the outer peripheral surfaces. One or more ribs may be located within the non-square.
  • the second pusher may include a plurality of bars that are spaced apart from each other.
  • a line connecting a portion of the outer peripheral surface of each of the plurality of bars may form a regular polygon.
  • At least some of the outer peripheral surfaces of the plurality of bars may be provided with ribs that protrude outward from the outer peripheral surfaces.
  • One or more ribs may be located within the regular polygon.
  • the second pusher includes a plurality of bars spaced apart from each other, and a line connecting a portion of the outer peripheral surface of each of the plurality of bars may form a non-regular polygon.
  • the ribs formed on the bar or push body may limit ice from being caught between the bars. For example, ice accumulation between the first bar in the first row and the first bar in the second row can be reduced. Alternatively, the ribs may reduce ice accumulation between the plurality of first bars in the first row and the second bars in the second row. Alternatively, the ribs can reduce ice accumulation between the plurality of second bars in the second row and the first bar in the first row. Alternatively, the ribs can reduce ice accumulation between the plurality of second bars in the first row and the plurality of bars in the second row. Alternatively, in the case of this embodiment, ice accumulation between three or more adjacent bars can be reduced.
  • the ribs can improve the strength of the body.
  • ribs were formed on the bars, but unlike this, the adjacent bars It is also possible to omit the ribs by increasing the distance between the two bars. However, as the distance between the two bars increases, the number of ice generated may decrease.
  • FIG. 26 is a cross-sectional view showing the ice maker at the water supply position of the second tray assembly of this embodiment
  • FIG. 27 is a cross-sectional view showing the ice maker at the ice-making position of the second tray assembly of this 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. 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.
  • Figure 31 is a control block diagram of the refrigerator in this embodiment.
  • 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 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.
  • the first bar 513 of the first pusher 510 may separate ice from the ice-making cells 203 in the first row.
  • the first bar 513 may push ice from the ice-making cells 203 in the first row.
  • the second bar 514 may separate ice from the ice-making cells 203 in the second row.
  • the second bar 514 may push ice from the ice-making cells 203 in the second row.
  • 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 second part 302 of the first tray cover 300 may overlap the pusher body 511 in the horizontal direction.
  • 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.
  • Cold air may flow in the internal space of the cold air guide 270 through the first opening 272 of the cold air guide 270.
  • Cold air guided by the cold air guide 270 may flow between the first tray cover 300 and the first tray 320.
  • 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.
  • 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 first bar 532 may be located closer to the vertical line V1 passing through the rotation center C1 than the second bar 533. Alternatively, at the water supply position and/or position, the first bar 532 may be located closer to the ice-making cell 203 or the vertical center line of the ice-making cell 203 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 edge 532b of the first bar 532 may press a portion of the second tray 360 corresponding to the first row.
  • the first edge 533b of the second bar 533 may press a portion of the second tray 360 corresponding to the second row.
  • the first edge 532b of the first bar 532 may be inclined with respect to the vertical line V1.
  • the first edge 533b of the second bar 533 may be inclined with respect to the vertical line V1.
  • the inclination angle of the first edge 532b of the first bar 532 with respect to the vertical line V1 may be smaller than the inclination angle of the first edge 533b of the second bar 533.
  • 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.
  • some bars of the second pusher first push some of the ice-making cells among the plurality of ice-making chambers of the second tray assembly, and then the remaining bars push the remaining ice-making cells, thereby moving the second tray assembly 202.
  • the torque of the driving unit 480 can be reduced.
  • 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

Un réfrigérateur selon un mode de réalisation comprend : une chambre de fabrication de glace fournissant un espace dans lequel de la glace est fabriquée ; un refroidisseur pour fournir du froid à la chambre de fabrication de glace ; et une machine à glaçons possédant des cellules de fabrication de glace, qui sont des espaces dans lesquels la phase aqueuse se change en glace au moyen du froid, la machine à glaçons comprenant : un premier ensemble plateau comprenant un premier plateau formant une partie des cellules de fabrication de glace ; un second ensemble plateau comprenant un second plateau formant l'autre partie des cellules de fabrication de glace ; et un poussoir pour séparer la glace du second plateau.
PCT/KR2023/020999 2023-01-12 2023-12-19 Réfrigérateur Ceased WO2024150960A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23916443.7A EP4647695A1 (fr) 2023-01-12 2023-12-19 Réfrigérateur

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020230004914A KR20240113021A (ko) 2023-01-12 2023-01-12 냉장고
KR10-2023-0004914 2023-01-12
KR10-2023-0131002 2023-09-27
KR1020230131002A KR20250046930A (ko) 2023-09-27 2023-09-27 냉장고

Publications (1)

Publication Number Publication Date
WO2024150960A1 true WO2024150960A1 (fr) 2024-07-18

Family

ID=91897152

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2023/020999 Ceased WO2024150960A1 (fr) 2023-01-12 2023-12-19 Réfrigérateur

Country Status (2)

Country Link
EP (1) EP4647695A1 (fr)
WO (1) WO2024150960A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000011102U (ko) * 1998-11-30 2000-06-26 전주범 냉장고 자동제빙기의 이빙기구
KR20160136659A (ko) 2015-05-20 2016-11-30 엘지전자 주식회사 냉장고
US20170314831A1 (en) * 2016-04-29 2017-11-02 Emz-Hanauer Gmbh & Co. Kgaa Ice maker with freezing aid
WO2020007298A1 (fr) * 2018-07-03 2020-01-09 Qingdao Haier Refrigerator Co.,Ltd Machine à glaçons à cylindre et double rangée avec extraction en haut
KR20200057604A (ko) * 2018-11-16 2020-05-26 엘지전자 주식회사 아이스 메이커 및 냉장고
KR20210031250A (ko) * 2019-09-11 2021-03-19 엘지전자 주식회사 냉장고

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000011102U (ko) * 1998-11-30 2000-06-26 전주범 냉장고 자동제빙기의 이빙기구
KR20160136659A (ko) 2015-05-20 2016-11-30 엘지전자 주식회사 냉장고
US20170314831A1 (en) * 2016-04-29 2017-11-02 Emz-Hanauer Gmbh & Co. Kgaa Ice maker with freezing aid
WO2020007298A1 (fr) * 2018-07-03 2020-01-09 Qingdao Haier Refrigerator Co.,Ltd Machine à glaçons à cylindre et double rangée avec extraction en haut
KR20200057604A (ko) * 2018-11-16 2020-05-26 엘지전자 주식회사 아이스 메이커 및 냉장고
KR20210031250A (ko) * 2019-09-11 2021-03-19 엘지전자 주식회사 냉장고

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4647695A1

Also Published As

Publication number Publication date
EP4647695A1 (fr) 2025-11-12

Similar Documents

Publication Publication Date Title
WO2011081500A2 (fr) Réfrigérateur
WO2020101408A1 (fr) Machine à glaçons et réfrigérateur la comportant
WO2020071761A1 (fr) Réfrigérateur
AU2019381567A1 (en) Ice maker and refrigerator having the same
WO2020071772A1 (fr) Réfrigérateur
WO2024150998A2 (fr) Réfrigérateur
WO2020071740A1 (fr) Réfrigérateur et son procédé de commande
WO2022086092A1 (fr) Réfrigérateur et machine à glaçons
WO2020071760A1 (fr) Réfrigérateur
WO2020071759A1 (fr) Réfrigérateur
WO2024151097A1 (fr) Réfrigérateur
WO2020071822A1 (fr) Réfrigérateur et son procédé de commande
WO2020071741A1 (fr) Réfrigérateur et son procédé de commande
WO2024150960A1 (fr) Réfrigérateur
WO2020071755A1 (fr) Réfrigérateur et son procédé de commande
WO2020071770A1 (fr) Réfrigérateur
WO2020071787A1 (fr) Machine à glaçons et réfrigérateur la comprenant
WO2024150961A1 (fr) Réfrigérateur
WO2020071791A1 (fr) Réfrigérateur et procédé de commande associé
WO2023171964A1 (fr) Machine à glaçons et réfrigérateur
WO2024150957A1 (fr) Réfrigérateur
WO2024150958A1 (fr) Réfrigérateur
WO2024150937A1 (fr) Réfrigérateur
WO2024150959A1 (fr) Réfrigérateur
WO2024150938A1 (fr) Réfrigérateur

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23916443

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2023916443

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE

WWP Wipo information: published in national office

Ref document number: 2023916443

Country of ref document: EP