EP3653964A1 - Eisbereiter und kühlschrank - Google Patents

Eisbereiter und kühlschrank Download PDF

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Publication number
EP3653964A1
EP3653964A1 EP19209336.7A EP19209336A EP3653964A1 EP 3653964 A1 EP3653964 A1 EP 3653964A1 EP 19209336 A EP19209336 A EP 19209336A EP 3653964 A1 EP3653964 A1 EP 3653964A1
Authority
EP
European Patent Office
Prior art keywords
ice
tray
heater
chamber
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19209336.7A
Other languages
English (en)
French (fr)
Inventor
Jinil Hong
Yonghyun Kim
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 KR1020190087558A external-priority patent/KR20200057600A/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP3653964A1 publication Critical patent/EP3653964A1/de
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • F25C1/22—Construction of moulds; Filling devices for moulds
    • F25C1/24—Construction of moulds; Filling devices for moulds for refrigerators, e.g. freezing trays
    • F25C1/243—Moulds made of plastics e.g. silicone
    • 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • 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
    • F25C5/20—Distributing ice
    • F25C5/22—Distributing ice particularly adapted for household refrigerators
    • 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
    • F25C1/00—Producing ice
    • F25C1/04—Producing ice by using stationary moulds
    • F25C1/06—Producing ice by using stationary moulds open or openable at both ends
    • 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
    • F25C1/10—Producing ice by using rotating or otherwise moving 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
    • F25C1/00—Producing ice
    • F25C1/18—Producing ice of a particular transparency or translucency, e.g. by injecting air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • F25C1/22—Construction of moulds; Filling devices for moulds
    • F25C1/25—Filling devices for moulds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C5/00—Working or handling ice
    • F25C5/02—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
    • 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
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C2400/00—Auxiliary features or devices for producing, working or handling ice
    • F25C2400/06—Multiple ice moulds or trays therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C2400/00—Auxiliary features or devices for producing, working or handling ice
    • F25C2400/08—Auxiliary features or devices for producing, working or handling ice for different type of ice
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C2400/00—Auxiliary features or devices for producing, working or handling ice
    • F25C2400/10—Refrigerator units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C2500/00—Problems to be solved
    • F25C2500/02—Geometry problems
    • 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
    • F25C2600/00—Control issues
    • F25C2600/04—Control means
    • 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
    • F25C2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25C2700/12—Temperature of ice trays

Definitions

  • the ice maker is constructed so that water supplied from a water supply source or a water tank is accommodated in a tray to make ice.
  • the tray body seat supports only the extension of the tray body. Therefore, the lower cell is not covered by the lower frame. Thus, the lower cell is deformable by external force in the ice generation process.
  • Another object of the present invention is to provide an ice maker in which a deformation of the lower tray may be minimized in the ice-making process so that the ice may maintain the form of a sphere.
  • a vertical centerline vertically passing a center of the ice chamber may pass through the lower opening. At least a portion of the lower heater may be constructed to enclose the vertical centerline so that the lower heater does not interfere with the lower ejector.
  • the lower assembly may include a lower tray body forming the lower chamber and a circumferential wall extending from the lower tray body.
  • the lower assembly may further include a lower case having a cover wall surrounding the circumferential wall of the lower tray.
  • the support body may further include a reinforcing rib extending along the circumference of the lower opening.
  • the lower case may further include a second fastening boss.
  • the lower tray may further include a second through-hole through which the second fastening boss passes.
  • the lower support may include a sleeve to accommodate the second fastening boss.
  • the lower heater may be in contact with the lower tray.
  • the lower tray may include a heater contact part protruding towards the lower support part. That is, the heater contact part may protrude towards the lower heater for being in contact with the lower heater, e.g. at least in the closed position of the lower assembly.
  • the heater contact part may be formed at a position corresponding to the heater accommodation groove.
  • Accommodation members such as a drawer, a shelf, a basket, and the like may be provided in the refrigerating compartment 3 and the freezing compartment 4.
  • a user may open the refrigerating compartment door 6 to approach the ice bin 102, thereby obtaining the ice.
  • the lower assembly 200 may rotate in a forward direction.
  • the spherical ice made between the upper assembly 110 and the lower assembly 200 may be separated from the upper assembly 110 and the lower assembly 200.
  • the ice maker 100 may further include a driving unit 180 so that the lower assembly 200 is rotatable with respect to the upper assembly 110.
  • the lower case 210, the lower tray 250, and the lower support 270 may be coupled to each other through a coupling member.
  • Fig. 6 is a top perspective view of the upper case according to an embodiment
  • Fig. 7 is a bottom perspective view of the upper case according to an embodiment.
  • the heater coupling part 124 may be provided on the upper plate 121.
  • the heater coupling part 124 may be disposed below the recess 122.
  • the opening 123 may be defined between the first upper slot 131 and the second upper slot 132.
  • the first upper slot 131 and the second upper slot 132 may be spaced apart from each other in a direction of an arrow B of Fig. 7 .
  • the first upper chamber 152a, the second upper chamber 152b, and the third upper chamber 152c may be arranged in a line.
  • the first upper chamber 152a, the second upper chamber 152b, and the third upper chamber 152c may be arranged in a direction of an arrow A with respect to Fig. 9 .
  • the direction of the arrow A of Fig. 9 may be the same direction as the direction of the arrow A of Fig. 7 .
  • three upper openings 154 may be defined in the upper tray body 151.
  • the upper opening 154 may also be denoted as inlet opening.
  • One or more first connection ribs 155a may be provided along a circumference of the inlet wall 155 to prevent the inlet wall 155 from being deformed while the upper ejector 300 is inserted into the upper opening 154.
  • the horizontal extension part 164 may include a plurality of upper protrusions 165 and 166 respectively inserted into the plurality of upper slots 131 and 132.
  • each of the upper protrusions 165 and 166 may be constructed so that the upper tray 150 and the upper case 120 are coupled to each other, and also, the horizontal extension part is prevented from being deformed during the ice making process or the ice separating process.
  • the first lower protrusion 167 may be spaced apart from the vertical wall 153a of the upper tray body 151.
  • the second lower protrusion 168 may be spaced apart from the curved wall 153b of the upper tray body 151.
  • a portion of the plurality of through-holes 169 may be disposed between the two first upper protrusions 165 adjacent to each other or the two first lower protrusions 167 adjacent to each other.
  • the upper support 170 may include a support plate 171 contacting the upper tray 150.
  • a coupling member coupled to the coupling boss 175 may be, for example, a bolt (see reference symbol B1 of Fig. 3 ).
  • the bolt B1 may include a body part and a head part having a diameter greater than that of the body part.
  • the bolt B1 may be coupled to the coupling boss 175 from an upper side of the coupling boss 175.
  • the upper support 170 may further include a plurality of unit guides 181 and 182 for guiding the connection unit 350 connected to the upper ejector 300.
  • the unit guides 181 and 182 may extend upward from the top surface of the support plate 171. Each of the unit guides 181 and 182 may be connected to the circumferential wall 174.
  • the upper heater 148 may be a wire-type heater.
  • the upper heater 148 may be bendable.
  • the upper heater 148 may be bent to correspond to a shape of the heater accommodation groove 124a so as to accommodate the upper heater 148 in the heater accommodation groove 124a.
  • the heat may not be concentrated into the local portion of the ice, and a small amount of heat may be slowly applied to prevent the opaque band from being formed around the ice because the ice is effectively separated from the upper tray.
  • the upper heater 148 may contact the upper tray 150.
  • the upper heater 148 is disposed at a position lower than that of the upper opening 154, a line connecting two points of the upper rounded portions, which are spaced apart from each other, to each other may pass through upper chamber 152.
  • tension of the upper heater 148 may increase to cause disconnection, and also, the upper heater 148 may be separated from the heater accommodation groove 124a.
  • a portion of the upper heater 148 may be disposed in the through-opening 124e to reduce the tension of the upper heater 148, thereby preventing the heater accommodation groove 124a from being separated from the upper heater 148.
  • the wire 129d may be led out to the outside of the upper case 120 after being bent in an approximately "U” shape to prevent interference with the surrounding structure.
  • the upper ejector 300 passes through the guide slots 183 of the unit guides 181 and 182 protruding upward from the upper plate 121.
  • the upper ejector 300 may descend in the state of being disposed above the upper plate 121 and be inserted into the upper chamber 152 to separate ice of the upper chamber 152 from the upper tray 150.
  • a maximum distance between two points of the upper rounded portion 148c, which are disposed at opposite sides with respect to the upper chamber 152 may be less than a diameter of the upper chamber 152.
  • One of the two first links may be connected to the driving unit 180 to receive the rotation force from the driving unit 180.
  • the vertical wall 214a is a wall vertically extending upward from the lower plate 211.
  • the curved wall 215 is a wall that is rounded in a direction that is away from the opening 212 upward from the lower plate 211.
  • Fig. 20 is a top perspective view of the lower tray according to an embodiment
  • Figs. 21 and 22 are bottom perspective views of the lower tray according to an embodiment
  • Fig. 23 is a side view of the lower tray according to an embodiment.
  • the spherical ice may not be made. That is, it is impossible to repeatedly make the spherical ice.
  • the lower tray 250 may include a lower tray body 251 defining a lower chamber 252 that is a portion of the ice chamber 111.
  • the lower tray body 251 may be called as a lower mold body.
  • the first wall 260a is a vertical wall vertically extending from the top surface of the first extension part 253.
  • the first wall 260a may be called a first vertical wall portion.
  • the second wall 260b is a curved wall having a shape corresponding to that of the upper tray body 151. That is, the second wall 260b may be rounded upward from the first extension part 253 in a direction that is away from the lower chamber 252.
  • the second wall 260b may be called a second curved wall portion.
  • a plurality of through-holes may be defined in the second extension part 254.
  • the plurality of second through-holes 256b may be disposed to be spaced apart from each other in the direction of the arrow A of Fig. 20 .
  • the circumferential wall 260 of the lower tray 250 may further include a second coupling protrusion 262c coupled to the lower case 210.
  • the second lower protrusion 266 may be accommodated in a guide groove defined in the lower support 270, which will be described later.
  • the lower support 270 may further include a first coupling groove 286a to which a first coupling member B2 passing through the first coupling boss 216 of the upper case 210 is coupled.
  • the first coupling groove 286a may be provided, for example, in the second extension wall 286.
  • the plurality of first coupling grooves 286a may be disposed to be spaced apart from each other in the direction of the arrow A in the second extension wall 286. A portion of the plurality of first coupling grooves 286a may be defined between the adjacent two protrusion grooves 287.
  • the head part of the second coupling member B3 may contact bottom surfaces of the second coupling boss 217 and the sleeve 286c or may contact a bottom surface of the sleeve 286c.
  • the heater coupling part 290 may include an inner wall 291a and an outer wall 291b.
  • the lower heater 296 may be accommodated in the first guide groove 293.
  • the first connector 297a and the second connector 297b are accommodated in the second guide groove 294, the first connector 297a and the second connector 297b are not exposed to the outside when the lower assembly 200 is completely assembled.
  • the lower heater 296 may be maintained at a fixed position, and twisting force may act on the wire 298 to prevent the lower heater 296 from being damaged and disconnected.
  • a restriction guide 139 for restricting the movement of the wire 298 passing through the wire through-slot 138 may be provided in th wire through-slot 138.
  • the restriction guide 139 may have a shape that is bent several times, and the wire 298 may be disposed in a region defined by the restriction guide 139.
  • the first extension part 253 of the lower tray 250 is seated on the top surface 271a of the support body 271 of the lower support 270. Also, the second extension wall 286 of the lower support 270 contacts a side surface of the first extension part 253 of the lower tray 250.
  • the lower heater 296 should be positioned close to the bottom of the lower tray 250 so that ice may be late generated at the bottom of the lower chamber 252 and the bubbles may gather at the bottom of the lower chamber 252.
  • the lower tray 250 When the pressing force applied to the lower tray 250 is removed, the lower tray 250 may be returned to its original form because the tray is formed of a soft material. In this case, the lower tray 250 is in contact with the lower heater 296 again.
  • the water is guided by the water supply part 190 and supplied to the ice chamber 111.
  • the horizontal cross-sectional area may vary based on a height of the ice chamber 111.
  • the ice may rotate together with the lower assembly 200 in the state of being supported by the lower tray 250.
  • the lower assembly 200 rotates, even though the ice is not separated from the lower tray 250 by the self-weight thereof, when the lower tray 250 is pressed by the lower ejector 400 as shown in FIG. 37 , the ice may be separated from the lower tray 250.
  • the lower ejecting pin 420 may press the lower tray 250 to deform the lower tray 250, and the pressing force of the lower ejecting pin 420 may be transmitted to the ice to separate the ice from the lower tray 250.
  • the ice separated from the surface of the lower tray 250 may drop downward and be stored in the ice bin 102.
  • the ice separation position may be called as an opened position.
EP19209336.7A 2018-11-16 2019-11-15 Eisbereiter und kühlschrank Pending EP3653964A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20180142079 2018-11-16
KR1020190087558A KR20200057600A (ko) 2018-11-16 2019-07-19 아이스 메이커 및 냉장고

Publications (1)

Publication Number Publication Date
EP3653964A1 true EP3653964A1 (de) 2020-05-20

Family

ID=68583121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19209336.7A Pending EP3653964A1 (de) 2018-11-16 2019-11-15 Eisbereiter und kühlschrank

Country Status (3)

Country Link
EP (1) EP3653964A1 (de)
KR (4) KR20230010053A (de)
CN (5) CN115164476A (de)

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CN113237284B (zh) * 2021-05-28 2023-12-22 海信容声(广东)冰箱有限公司 一种冰箱
CN113237283B (zh) * 2021-05-28 2024-02-23 海信容声(广东)冰箱有限公司 一种冰箱

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JPH09269172A (ja) 1996-03-29 1997-10-14 Toshiba Corp 製氷装置
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CN111197890B (zh) 2022-07-08
CN115031472B (zh) 2023-12-26
CN115031472A (zh) 2022-09-09
CN115031471A (zh) 2022-09-09
KR20230010054A (ko) 2023-01-17
CN115031471B (zh) 2023-12-29
KR102581486B1 (ko) 2023-09-21
CN115164476A (zh) 2022-10-11
CN115031473B (zh) 2024-01-02
CN111197890A (zh) 2020-05-26
KR20230010053A (ko) 2023-01-17
CN115031473A (zh) 2022-09-09

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