WO2008004764A2 - Supercooling apparatus - Google Patents

Supercooling apparatus Download PDF

Info

Publication number
WO2008004764A2
WO2008004764A2 PCT/KR2007/002682 KR2007002682W WO2008004764A2 WO 2008004764 A2 WO2008004764 A2 WO 2008004764A2 KR 2007002682 W KR2007002682 W KR 2007002682W WO 2008004764 A2 WO2008004764 A2 WO 2008004764A2
Authority
WO
WIPO (PCT)
Prior art keywords
storage space
supercooling apparatus
face
drawer
switch
Prior art date
Application number
PCT/KR2007/002682
Other languages
English (en)
Other versions
WO2008004764A3 (fr
Inventor
Su-Cheong Kim
Jong-Min Shin
Deok-Hyun Youn
Cheol-Hwan Kim
Won-Young Chung
Hoon-Bong Lee
Original Assignee
Lg Electronics, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lg Electronics, Inc. filed Critical Lg Electronics, Inc.
Priority to PCT/KR2007/002682 priority Critical patent/WO2008004764A2/fr
Publication of WO2008004764A2 publication Critical patent/WO2008004764A2/fr
Publication of WO2008004764A3 publication Critical patent/WO2008004764A3/fr

Links

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
    • F25D23/12—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
    • 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
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B4/00—General methods for preserving meat, sausages, fish or fish products
    • A23B4/06—Freezing; Subsequent thawing; Cooling
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/32—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with electric currents without heating effect
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/36—Freezing; Subsequent thawing; Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F25B40/02—Subcoolers
    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06—Removing frost
    • 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
    • F25D23/06—Walls
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/006—Safety devices
    • 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
    • F25D2600/00—Control issues
    • F25D2600/04—Controlling heat transfer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/85—Food storage or conservation, e.g. cooling or drying

Definitions

  • the present invention relates to a supercooling apparatus, and more particularly, to a supercooling apparatus which can stably maintain a stored object in a supercooled state for an extended period of time by supplying energy by generating an electric field, and which can protect the health of the user and improve the safety by stopping generation of the electric field, when the supercooling apparatus is opened.
  • An object of the present invention is to provide a supercooling apparatus which can stably maintain a stored object in a supercooled state for an extended period of time.
  • Another object of the present invention is to provide a supercooling apparatus which can stably maintain a stored object in a supercooled state at a lower temperature.
  • Yet another object of the present invention is to provide a supercooling apparatus which can stably maintain a stored object in a supercooled state for an extended period of time, by generating an electric field in a storage space and supplying energy through the electric field.
  • Yet another object of the present invention is to provide a supercooling apparatus which can protect the health of the user and improve the safety, by generating an electric field in a storage space, suppljing energy through the electric field, and stopping generation of the electric field when the storage space is opened.
  • Yet another object of the present invention is to provide a supercooling apparatus which can protect the health of the user and improve the safety by cutting off supply of an electric field when a drawer is opened, by using a contact type switch with its contact state changed according to opening and closing.
  • Yet another object of the present invention is to provide a supercooling apparatus which can protect the health of the user and improve the safety by cutting off supply of an electric field when a drawer is opened, by using a switch for sensing a magnetic field changed according to opening and closing.
  • Yet another object of the present invention is to provide a supercooling apparatus which can protect the health of the user and improve the safety by cutting off supply of an electric field when a door is opened, by using mutual induction elements with their mutual induction degree changed according to opening and closing.
  • Yet another object of the present invention is to provide a supercooling apparatus which can stably maintain a stored object in a non-frozen state, by horizontally opening and closing a storage space.
  • a supercooling apparatus including: a storage vault with a storage space formed therein to store an object, the storage space being opened and closed; a cooling unit for cooling the storage space; an energy supply unit for supplying energy to the storage space; and a switch unit for supplying and cutting off energy according to opening and closing of the storage space, wherein, when the storage space is closed, energy is supplied to maintain the object in a non-frozen state below a phase transition temperature.
  • the energy supply unit includes a power source unit for supplying power and an electrode unit for generating energy by the supplied power, and the switch unit applies and cuts off power to the electrode unit according to opening and closing of the storage space.
  • the storage vault is opened and closed by a drawer.
  • the storage vault is opened and closed by a sliding door.
  • the switch is a contact type switch.
  • the switch includes conduction elements mounted respectively on one face of the drawer and one inner face of the storage vault, or on one face of the sliding door and one face of the storage vault, and contacted to supply power when the storage space is closed.
  • the switch is a non-contact type switch.
  • the switch includes mutual induction elements mounted respectively on one face of the drawer and one inner face of the storage vault, or on one face of the sliding door and one face of the storage vault, and contacted when the storage space is closed.
  • the switch includes a magnet element and a hole sensor mounted respectively on one face of the drawer and one inner face of the storage vault, or on one face of the sliding door and one face of the storage vault.
  • FIG. 1 is a conceptional view illustrating a basic electrode structure of a supercooling apparatus for maintaining a supercooled state
  • FIG. 2 is a graph showing a supercooling phenomenon in the supercooling apparatus of Fig. 1;
  • FIG. 3 is an exemplary view illustrating the supercooling apparatus of Fig. 1;
  • FIGs. 4 and 5 are conceptional configuration views illustrating a supercooling apparatus in accordance with a first embodiment of the present invention
  • FIG. 6 is an exemplary view illustrating another example of Fig. 4;
  • FIGs. 7 and 8 are conceptional configuration views illustrating supercooling apparatuses in accordance with a second embodiment of the present invention.
  • FIG. 9 is a conceptional configuration view illustrating a supercooling apparatus in accordance with a third embodiment of the present invention.
  • FIGs. 10 and 11 are exemplary views illustrating supercooling apparatuses in accordance with a fourth embodiment of the present invention.
  • Fig. 12 is a first configuration view of Figs. 10 and 11 ;
  • Fig. 13 is a second configuration view of Figs. 10 and 11 ;
  • Fig. 14 is a third configuration view of Figs. 10 and 11.
  • a liquid for example, water is slowly cooled, it is not frozen temporarily at a temperature below 0°C. However, when water is supercooled, it has a kind of quasi- stable state. As this unstable balanced state is broken even by a slight stimulus, water tends to be changed into a more stable state. That is, if a small piece of material is put into the supercooled liquid, or if the liquid is suddenly shaken, the liquid is directly frozen so that the temperature of the liquid can reach the freezing point. Accordingly, the liquid maintains a stable balanced state at the temperature.
  • FIG. 1 is a conceptional view illustrating a basic electrode structure of a supercooling apparatus for maintaining a supercooled state.
  • a casing 1 with a storage space S 1 formed therein includes two electrodes 10a and 10b facing the storage space Sl.
  • a power supply unit 2 is provided to apply a high AC voltage to the electrodes 10a and 10b.
  • the power supply unit 2 supplies energy to the storage space Sl between the electrodes 10a and 10b, by generating an electric field in the storage space Sl by applying the high AC voltage to the electrodes 10a and 10b.
  • the storage space Sl is cooled by a cooling cycle (not shown).
  • thermal energy is taken from the storage space Sl
  • another kind of energy namely, electric field energy
  • water or food containing moisture are stored in the storage space Sl, they can maintain a stable cooling state below a phase transition temperature for an extended period of time without being solidified or frozen.
  • Fig. 2 is a graph showing a temperature when water kept in the supercooling apparatus of Fig. 1 is cooled.
  • [43] 0. l ⁇ of distilled water is put into the storage space S 1 of the casing 1 of Fig. 1.
  • the electrodes 10a and 10b facing the storage space Sl have wider faces than the storage space Sl.
  • the electrodes 10a and 10b are placed at an interval of 20mm.
  • the casing 1 is made of an acrylic material, and inserted and cooled in a cooling space uniformly supplied with the cool air (namely, a refrigerating apparatus which does not have a supplementary electric field generator except the electrodes 10a and 10b).
  • the power supply unit 2 applies 0.9 lkV(6.76mA) and 2OkHz of AC voltage to the electrodes 10a and 10b, and the temperature inside the cooling space is about -7 °C.
  • the supercooled state (non-frozen state) can be stably maintained for an extended period of time, by applying energy through the electric field.
  • Fig. 3 is an exemplary view illustrating the supercooling apparatus of Fig. 1.
  • the supercooling apparatus of Fig. 3 is an indirect-cooling type supercooling apparatus having a cooling cycle.
  • the supercooling apparatus includes a casing 110 having one open face, a storage space A formed therein, and a shelf 130 for partially partitioning the storage space A, and a door 120 for opening and closing the opened face of the casing 110.
  • a freezing cycle 30 of the indirect cooling type non-freezing refrigerator includes a compressor 32 for compressing a refrigerant, an evaporator 33 for generating the cool air (indicated by arrows) for cooling the storage space A or a stored object, a fan 34 for forcibly moving the generated cool air, a suction duct 36 for introducing the cool air into the storage space A, and a discharge duct 38 for inducing the cool air passing through the storage space A to the evaporator 33.
  • the freezing cycle 30 may include a condenser, a drier and an expansion device.
  • the cooling cycle can be embodied as the direct cooling type as well as the indirect cooling type.
  • Electrode units 50a and 50b are formed between the inner faces 112a and 112c facing the storage space A and the outer faces of the casing 110.
  • the electrode units 50a and 50b are installed to face the storage space A, for applying an electric field to the whole storage space A.
  • the storage space A is spaced apart from the ends of the electrode units 50a and 50b at predetermined intervals in the inward directions of the electrode units 50a and 50b or the center direction, so that a uniform electric field can be applied to the storage space A or the stored object.
  • the suction duct 36 and the discharge duct 38 are formed in the inner face 112b of the casing 110.
  • the surfaces of the inner faces 112a, 112b and 112c of the casing 110 are made of a hydrophobic material, and thus are not frozen during a supercooling mode due to reduction of surface tension of water such as moisture.
  • the outer faces and the inner faces 112a, 112b and 112c of the casing 110 are made of an insulation material, for preventing the user from receiving an electric shock from the electrode units 50a and 50b, and preventing the stored object from electrically contacting the electrode units 50a and 50b through the inner faces 112a, 112b and 112c.
  • the liquid for example, water
  • the electrode unit preferably, high voltage AC power
  • the liquid for example, water
  • FIGs. 4 and 5 are conceptional configuration views illustrating a supercooling apparatus in accordance with a first embodiment of the present invention.
  • the supercooling apparatus includes a casing 60 with a space 62 formed therein, and a drawer 20 pushed and pulled to/from the space 62. Electrodes 10a and 10b are mounted in the casing 60 to be symmetrical about the space 62. Two separated conduction members 1 Ib for applying a high voltage from a power supply unit 40 to the electrodes 10a and 10b are exposedly mounted on one side face of the space 62.
  • a storage space 22 for storing an object is formed in the drawer 20.
  • a conduction member 1 Ia is exposedly formed on the outer side face of the drawer 20 to correspond to the conduction members 1 Ib of the casing 60.
  • Fig. 6 is an exemplary view illustrating another example of Fig. 4.
  • the supercooling apparatus of Fig. 6 includes a casing 60a with a space 62a formed therein, and a drawer 20 pushed and pulled to/from the space 62a, and further includes a cooling cycle having a compressor 32 for compressing a refrigerant and an evaporator 39 for evaporating the refrigerant.
  • Two electrodes 50a and 50b are mounted in the casing 60a to face the space 62a.
  • Two separated conduction members 1 Id for applying a high voltage from a power supply unit 40 to the electrodes 50a and 50b are exposedly mounted on one side face of the space 62a.
  • a storage space 22 for storing an object is formed in the drawer 20.
  • a conduction member 1 Ic is formed on the outer side face of the drawer 20 to correspond to the conduction members 1 Id of the casing 60a.
  • the supercooling apparatus of Fig. 6 uses a non-contact type switch lie and 1 Id as a device for applying an electric field through the electrode unit according to opening and closing.
  • the cooling cycle can be embodied as the indirect cooling type as well as the direct cooling type.
  • FIGs. 7 and 8 are conceptional configuration views illustrating supercooling apparatuses in accordance with a second embodiment of the present invention.
  • Fig. 7 is a conceptional view illustrating a supercooling apparatus.
  • the supercooling apparatus includes a casing 60b with a storage space 62b formed therein, and a sliding door 21.
  • the casing 60b includes electrodes 10c and 1Od on both side faces of the storage space 62b parallel to each other.
  • Two conduction members 1 Ih are formed in the portions of the casing 60b contacting the sliding door 21 in the close state.
  • power preferably, high voltage AC power
  • a conduction member Hg is positioned on the sliding door 21 to correspond to the conduction members 1 Ih in the close state.
  • Fig. 8 is a conceptional view illustrating a supercooling apparatus with a cooling cycle.
  • the supercooling apparatus includes a casing 110, a door 120, electrodes 50a and 50b, and conduction members 12c and 12d.
  • the cooling cycle of the supercooling apparatus includes a compressor 32 for compressing a refrigerant, an evaporator 33 for generating the cool air (indicated by arrows) for cooling a storage space A or a stored object, a fan 34 for forcibly moving the generated cool air, a suction duct 36 for introducing the cool air into the storage space A, and a discharge duct 38 for inducing the cool air passing through the storage space A to the evaporator 33.
  • the cooling cycle can be embodied as the direct cooling type as well as the indirect cooling type.
  • Fig. 9 is a conceptional configuration view illustrating a supercooling apparatus in accordance with a third embodiment of the present invention.
  • the supercooling apparatus can be configured in a sliding door type or a drawer type.
  • the supercooling apparatus includes a cooling cycle (not shown), electrode units 10c and 1Od, and a power supply unit 40.
  • a switch 12 is positioned in a casing of the supercooling apparatus to contact a sliding door or drawer 20 in a close state. When the sliding door or drawer 20 is closed, the switch 12 is closed to apply power (preferably, AC power) to the electrode units 10c and 1Od. When the sliding door or drawer 20 is opened, the switch 12 is opened to cut off power applied to the electrode units 10c and 1Od.
  • FIGs. 10 and 11 are exemplary views illustrating supercooling apparatuses in accordance with a fourth embodiment of the present invention.
  • Fig. 10 illustrates a direct cooling type supercooling apparatus opened and closed in a drawer type.
  • a casing 60c includes electrode units 50a and 50b for supplying energy to an object by generating an electric field, and a cooling cycle having a compressor 32 for compressing a refrigerant and an evaporator 39 for evaporating the refrigerant.
  • the casing 60c includes a non-contact type switch 15a, and the drawer 20 includes a storage space 22, and an element 14a corresponding to the non-contact type switch 15a.
  • the non-contact type switch 15a and the element 14a are close to each other within a predetermined distance, for applying power (preferably, high voltage AC power) to the electrodes 50a and 50b. Accordingly, the electrodes 50a and 50b generate the electric field and supply energy to maintain the object in the supercooled state.
  • the non-contact type switch 15a and the element 14a are distant from each other over the predetermined distance, for cutting off power (preferably, high voltage AC power) to the electrodes 50a and 50b. Therefore, the electrodes 50a and 50b stop generation of the electric field.
  • the cooling cycle can be embodied as the indirect cooling type as well as the direct cooling type.
  • Fig. 11 illustrates an indirect cooling type supercooling apparatus opened and closed in a sliding door type.
  • a casing 110, a sliding door 120, a compressor 32, an evaporator 33, a fan 34, a suction duct 36, a discharge duct 38 and electrode units 50a and 50b are identical to those of Fig. 8.
  • a non-contact type switch 15b is formed in the portion of the casing 110 contacting the sliding door 120 in a close state.
  • An element 14b is formed on the sliding door 120 to correspond to the non-contact type switch 15b.
  • the non-contact type switch 15b and the element 14b are close to each other within a predetermined distance, for applying power (preferably, high voltage AC power) to the electrodes 50a and 50b. Accordingly, the electrodes 50a and 50b generate an electric field and supply energy to maintain an object in a supercooled state.
  • power preferably, high voltage AC power
  • the cooling cycle can be embodied as the direct cooling type as well as the indirect cooling type.
  • Fig. 12 is a first configuration view of Figs. 10 and 11.
  • a power supply unit 40 and electrode units 50a and 50b are identical to those of Fig. 9.
  • a hole sensor 15 is provided at one side face of the casing 60c of Fig. 10 or the casing 110 of Fig. 11, and a magnet 14 is provided at the drawer 20 of Fig. 10 or the sliding door 120 of Fig. 11 to correspond to the hole sensor 15.
  • the hole sensor 15 is equivalent to the non-contact type switch 15a of Fig. 10 and the non-contact type switch 15b of Fig. 11, and the magnet 14 is equivalent to the element 14a of Fig. 10 and the element 14b of Fig. 11.
  • the hole sensor 15 and the magnet 14 are close to each other, for applying power (preferably, high voltage AC power) to the electrodes 50a and 50b of Fig. 10 or the electrodes 50a and 50b of Fig. 11. Accordingly, the electrodes 50a and 50b of Fig. 10 or Fig. 11 generate an electric field and supply energy to maintain an object in a supercooled state.
  • power preferably, high voltage AC power
  • Fig. 13 is a second configiration view of Figs. 10 and 11.
  • a power supply unit 40 for supplying AC power and electrode units 50a and 50b are identical to those of Fig. 12.
  • a coil 16a is provided at one side face of the casing 60c of Fig. 10 or the casing 110 of Fig. 11, and a coil 16b is provided at the drawer 20 of Fig. 10 or the sliding door 120 of Fig. 11 to correspond to the coil 16a.
  • the coil 16a provided at the casing 60c of Fig. 10 or the casing 110 of Fig. 11 is equivalent to the non-contact type switch 15a of Fig. 10 and the non-contact type switch 15b of Fig. 11, and the coil 16b provided at the drawer 20 of Fig. 10 or the sliding door 120 of Fig. 11 to correspond to the coil 16a is equivalent to the element 14a of Fig. 10 and the element 14b of Fig. 11.
  • the coil 16b of the drawer 20 or the sliding door 120 is supplied with power by the mutual induction. Therefore, the electrodes 50a and 50b of Fig. 10 or the electrodes 50a and 50b of Fig. 11 are supplied with power (preferably, high voltage AC power), for generating an electric field. As the electric field is generated to supply energy, an object can be maintained in a supercooled state.
  • power preferably, high voltage AC power
  • Fig. 14 is a third configuration view of Figs. 10 and 11.
  • a power supply unit 40 for supplying AC power and electrode units 50a and 50b are identical to those of Fig. 12.
  • Two coils 17a and 17b which do not perform the mutual induction are provided at one side face of the casing 60c of Fig. 10 or the casing 110 of Fig. 11.
  • a coil 18a which can perform the rmtual induction with the coils 17a and 17b is provided at the drawer 20 of Fig. 10 or the sliding door 120 of Fig. 11 to correspond to the coils 17a and 17b.
  • the mutual induction occurs.
  • the two coils 17a and 17b provided at one side face of the casing 60c of Fig. 10 or the casing 110 of Fig. 11 are equivalent to the non-contact type switch 15a of Fig. 10 and the non-contact type switch 15b of Fig. 11, and the coil 18a provided at the drawer 20 of Fig. 10 or the sliding door 120 of Fig. 11 to correspond to the coils 17a and 17b is equivalent to the element 14a of Fig. 10 and the element 14b of Fig. 11.
  • the coil 18a of the drawer 20 or the sliding door 120 is supplied with power by the mutual induction.
  • the coil 17b which is not connected to the power supply unit 40 in the casing is supplied with power by the mitual induction. Therefore, the electrodes 50a and 50b of Fig. 10 or the electrodes 50a and 50b of Fig. 11 are supplied with power (preferably, high voltage AC power), for generating an electric field.
  • the present invention can stably maintain the stored object in the supercooled state for the extended period of time.
  • the present invention can stably maintain the stored object in the supercooled state at a lower temperature.
  • the present invention can stably maintain the stored object in the supercooled state for the extended period of time, by generating the electric field in the storage space and supplying energy through the electric field.
  • the present invention can protect the health of the user and improve the safety, by generating the electric field in the storage space, supplying energy through the electric field, and stopping generation of the electric field when the storage space is opened.
  • the present invention can protect the health of the user and improve the safety, by cutting off supply of the electric field when the drawer is opened, by using the contact type switch with its contact state changed according to opening and closing.
  • the present invention can protect the health of the user and improve the safety, by cutting off supply of the electric field when the drawer is opened, by using the switch for sensing the magnetic field changed according to opening and closing.
  • the present invention can protect the health of the user and improve the safety, by cutting off supply of the electric field when the door is opened, by using the mutual induction elements with their mutual induction degree changed according to opening and closing.
  • the present invention can stably maintain the stored object in the non-frozen state, by minimizing vibration applied to the stored object in opening and closing of the storage space, by opening and closing the storage space by the drawer.
  • the present invention can allow the user to safely use the supercooling apparatus, by making the user take out the stored object after the stored object is isolated from the electric field generation space, by opening and closing the storage space by the drawer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Nutrition Science (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)
  • Production, Working, Storing, Or Distribution Of Ice (AREA)
  • Hybrid Cells (AREA)
  • Containers, Films, And Cooling For Superconductive Devices (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The present invention discloses a supercooling apparatus which can stably maintain a stored object in a supercooled state for an extended period of time, and which can protect the health of the user and improve the safety by stopping generation of the electric field, when the supercooling apparatus is opened. The supercooling apparatus includes a storage vault (60) a storage space (62) formed therein to store an object, the storage space (62) being opened and closed, a cooling unit (33) for cooling the storage space, an energy supply unit (40, 10a, 10b) for supplying energy to the storage space, and a switch unit (11a, 11 b) for supplying and cutting off energy according to opening and closing of the storage space (62).
PCT/KR2007/002682 2006-07-01 2007-06-01 Supercooling apparatus WO2008004764A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2007/002682 WO2008004764A2 (fr) 2006-07-01 2007-06-01 Supercooling apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2006-0061683 2006-07-01
KR20060061683 2006-07-01
PCT/KR2007/002682 WO2008004764A2 (fr) 2006-07-01 2007-06-01 Supercooling apparatus

Publications (2)

Publication Number Publication Date
WO2008004764A2 true WO2008004764A2 (fr) 2008-01-10
WO2008004764A3 WO2008004764A3 (fr) 2008-07-03

Family

ID=38894702

Family Applications (7)

Application Number Title Priority Date Filing Date
PCT/KR2007/002680 WO2008004762A1 (fr) 2006-07-01 2007-06-01 Appareil de sous-refroidissement
PCT/KR2007/002681 WO2008004763A1 (fr) 2006-07-01 2007-06-01 Appareil de sous-refroidissement
PCT/KR2007/002682 WO2008004764A2 (fr) 2006-07-01 2007-06-01 Supercooling apparatus
PCT/KR2007/002679 WO2008004761A2 (fr) 2006-07-01 2007-06-01 Appareil de sous-refroidissement
PCT/KR2007/002683 WO2008004765A2 (fr) 2006-07-01 2007-06-01 Appareil de sous-refroidissement
PCT/KR2007/002720 WO2008004770A1 (fr) 2006-07-01 2007-06-05 Appareil de sous-refroidissement et procédé de décongélation d'une électrode de cet appareil
PCT/KR2007/002721 WO2008004771A1 (fr) 2006-07-01 2007-06-05 Appareil de sous-refroidissement

Family Applications Before (2)

Application Number Title Priority Date Filing Date
PCT/KR2007/002680 WO2008004762A1 (fr) 2006-07-01 2007-06-01 Appareil de sous-refroidissement
PCT/KR2007/002681 WO2008004763A1 (fr) 2006-07-01 2007-06-01 Appareil de sous-refroidissement

Family Applications After (4)

Application Number Title Priority Date Filing Date
PCT/KR2007/002679 WO2008004761A2 (fr) 2006-07-01 2007-06-01 Appareil de sous-refroidissement
PCT/KR2007/002683 WO2008004765A2 (fr) 2006-07-01 2007-06-01 Appareil de sous-refroidissement
PCT/KR2007/002720 WO2008004770A1 (fr) 2006-07-01 2007-06-05 Appareil de sous-refroidissement et procédé de décongélation d'une électrode de cet appareil
PCT/KR2007/002721 WO2008004771A1 (fr) 2006-07-01 2007-06-05 Appareil de sous-refroidissement

Country Status (2)

Country Link
KR (13) KR100850608B1 (fr)
WO (7) WO2008004762A1 (fr)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008150105A2 (fr) * 2007-06-04 2008-12-11 Lg Electronics, Inc. Appareil de surfusion
WO2008150108A2 (fr) * 2007-06-04 2008-12-11 Lg Electronics, Inc. Appareil de surfusion
KR102709377B1 (ko) * 2018-10-02 2024-09-25 엘지전자 주식회사 제빙기 및 이를 포함하는 냉장고
KR101476191B1 (ko) * 2008-05-30 2014-12-24 엘지전자 주식회사 식품 보관장치 및 식품 보관방법
KR101443638B1 (ko) * 2008-05-30 2014-09-23 엘지전자 주식회사 냉장고
KR101023357B1 (ko) * 2008-08-07 2011-03-18 엘지전자 주식회사 슬러시 제조 용기, 슬러시 제조 장치 및 이들을 포함하는냉각 장치
KR101507802B1 (ko) * 2008-08-19 2015-04-03 엘지전자 주식회사 냉장고
KR101019886B1 (ko) * 2008-08-20 2011-03-04 엘지전자 주식회사 무동결 보관고, 과냉각 장치 및 그 제어방법
KR101448652B1 (ko) * 2008-09-04 2014-10-08 엘지전자 주식회사 과냉각 장치
KR101143977B1 (ko) * 2008-12-16 2012-05-09 엘지전자 주식회사 냉장고
KR101115239B1 (ko) 2009-01-08 2012-02-15 엘지전자 주식회사 냉각 장치
JP5535116B2 (ja) * 2011-03-30 2014-07-02 三菱電機株式会社 冷蔵庫
JP6880983B2 (ja) 2017-04-21 2021-06-02 ダイキン工業株式会社 冷却装置
EP3862684A4 (fr) 2018-10-02 2022-07-27 LG Electronics Inc. Réfrigérateur
US12117227B2 (en) 2018-10-02 2024-10-15 Lg Electronics Inc. Refrigerator and method for controlling the same
US12117225B2 (en) 2018-10-02 2024-10-15 Lg Electronics Inc. Refrigerator
KR102664673B1 (ko) * 2018-10-02 2024-05-10 엘지전자 주식회사 제빙기 및 이를 포함하는 냉장고
AU2019352424B2 (en) 2018-10-02 2023-04-27 Lg Electronics Inc. Refrigerator
EP3862699A4 (fr) 2018-10-02 2022-07-27 LG Electronics Inc. Réfrigérateur
KR102637434B1 (ko) * 2018-10-02 2024-02-19 엘지전자 주식회사 제빙기 및 이를 포함하는 냉장고
CN115289763B (zh) 2018-10-02 2023-07-04 Lg电子株式会社 冰箱
US12104840B2 (en) 2018-10-02 2024-10-01 Lg Electronics Inc. Refrigerator and method for controlling same
WO2020071821A1 (fr) 2018-10-02 2020-04-09 엘지전자 주식회사 Machine à glace et réfrigérateur
US12072133B2 (en) 2018-10-02 2024-08-27 Lg Electronics Inc. Refrigerator and control method therefor
WO2020071751A1 (fr) 2018-10-02 2020-04-09 엘지전자 주식회사 Réfrigérateur
KR102697584B1 (ko) * 2018-12-06 2024-08-21 엘지전자 주식회사 냉장고
JP7293817B2 (ja) * 2019-04-02 2023-06-20 三菱電機株式会社 冷蔵庫
US11098949B2 (en) * 2019-08-22 2021-08-24 Haier Us Appliance Solutions, Inc. Refrigerator appliance having USB features
CN110671882A (zh) * 2019-09-16 2020-01-10 珠海格力电器股份有限公司 一种冰箱及其敲击控制方法
JP7441437B2 (ja) * 2019-12-02 2024-03-01 株式会社MARS Company 収容庫
CN111336746A (zh) * 2020-03-12 2020-06-26 长虹美菱股份有限公司 一种冰箱用的电场发生装置
KR20220022679A (ko) 2020-08-19 2022-02-28 엘지전자 주식회사 냉장고
KR20220022680A (ko) 2020-08-19 2022-02-28 엘지전자 주식회사 냉장고
KR20220022678A (ko) 2020-08-19 2022-02-28 엘지전자 주식회사 냉장고
KR20220022681A (ko) 2020-08-19 2022-02-28 엘지전자 주식회사 냉장고
CN114279141B (zh) * 2021-12-28 2023-08-01 Tcl家用电器（合肥）有限公司 电磁保鲜结构及冰箱
US20240035714A1 (en) * 2022-07-28 2024-02-01 Xerox Corporation System and method for feedback-based nucleation control
US20240034497A1 (en) * 2022-07-28 2024-02-01 Xerox Corporation Contact interfacing material receptacle
US20240035725A1 (en) * 2022-07-28 2024-02-01 Xerox Corporation System and method for controlling crystallized forms of water

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6451364B1 (en) * 1997-03-17 2002-09-17 Akinori Ito Method of treating a food object in an electrostatic field
US20050029080A1 (en) * 2002-02-25 2005-02-10 Bsh Bosch Und Siemens Hausgerate Gmbh Door-opening sensor and refrigerator equipped therewith

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU636497B2 (en) * 1990-09-27 1993-04-29 Mitsubishi Denki Kabushiki Kaisha Refrigerator with a frozen food compartment
JPH04353373A (ja) * 1991-05-29 1992-12-08 Hitachi Ltd 熱交換器およびその除霜方法
JP3135365B2 (ja) * 1992-06-24 2001-02-13 松下冷機株式会社 冷蔵庫
JPH0678733A (ja) * 1992-09-07 1994-03-22 Matsushita Refrig Co Ltd 冷蔵庫
JPH06257924A (ja) * 1993-03-01 1994-09-16 Matsushita Refrig Co Ltd 冷蔵庫
JPH07155154A (ja) * 1993-12-07 1995-06-20 Matsushita Refrig Co Ltd 冷蔵庫
JP2792552B2 (ja) * 1994-05-24 1998-09-03 松下冷機株式会社 冷蔵庫
JP3787171B2 (ja) * 1995-03-15 2006-06-21 株式会社氷温 氷結点以下の温度帯における食品等の未凍結保存方法
KR960034941A (ko) * 1995-03-21 1996-10-24 구자홍 과냉각수 제조장치
KR100720012B1 (ko) * 1997-03-17 2008-01-18 이시가와 야스오 정전장처리방법,정전장처리장치및이들에사용되는전극
JP2001086967A (ja) * 1999-09-22 2001-04-03 Airtech Japan Ltd 磁場，電場の変動を利用した冷凍方法及び冷凍庫
JP2002022333A (ja) 2000-07-12 2002-01-23 Matsushita Electric Ind Co Ltd 冷蔵庫
JP2003054645A (ja) * 2001-05-15 2003-02-26 Ksa:Kk 被処理物用収容体
JP2002364968A (ja) * 2001-06-07 2002-12-18 Ekotekkusu:Kk 氷点降下冷蔵装置
JP2003139460A (ja) * 2001-11-01 2003-05-14 Abi:Kk 変動磁場発生装置、冷凍装置および均一な変動磁場の発生方法
KR100414272B1 (ko) * 2001-11-09 2004-01-13 주식회사 엘지이아이 특선실이 구비된 냉장고
JP2005034089A (ja) * 2003-07-18 2005-02-10 Sanyo Electric Co Ltd 冷凍方法並びに冷凍庫又は冷凍冷蔵庫
KR200393464Y1 (ko) 2005-03-12 2005-08-22 신경철 빙 제조장치
KR100714564B1 (ko) 2006-07-01 2007-05-07 엘지전자 주식회사 과냉각 장치 및 과냉각 장치의 운전 방법

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6451364B1 (en) * 1997-03-17 2002-09-17 Akinori Ito Method of treating a food object in an electrostatic field
US20050029080A1 (en) * 2002-02-25 2005-02-10 Bsh Bosch Und Siemens Hausgerate Gmbh Door-opening sensor and refrigerator equipped therewith

Also Published As

Publication number Publication date
KR100827883B1 (ko) 2008-05-07
WO2008004761A3 (fr) 2008-03-20
WO2008004764A3 (fr) 2008-07-03
KR20080003221A (ko) 2008-01-07
WO2008004771A1 (fr) 2008-01-10
KR100857325B1 (ko) 2008-09-05
WO2008004762A1 (fr) 2008-01-10
WO2008004765A3 (fr) 2008-02-14
KR20080003220A (ko) 2008-01-07
KR20080003217A (ko) 2008-01-07
WO2008004765A2 (fr) 2008-01-10
KR20080003214A (ko) 2008-01-07
KR20070110465A (ko) 2007-11-19
KR20080003224A (ko) 2008-01-07
KR100857324B1 (ko) 2008-09-05
KR100850608B1 (ko) 2008-08-05
WO2008004763A1 (fr) 2008-01-10
KR100886987B1 (ko) 2009-03-04
KR100935746B1 (ko) 2010-01-06
KR20080003219A (ko) 2008-01-07
KR20080003216A (ko) 2008-01-07
KR20080003223A (ko) 2008-01-07
WO2008004770A1 (fr) 2008-01-10
KR100836324B1 (ko) 2008-06-09
KR20080003222A (ko) 2008-01-07
KR20080003215A (ko) 2008-01-07
KR100882625B1 (ko) 2009-02-06
KR100862107B1 (ko) 2008-10-09
WO2008004761A2 (fr) 2008-01-10
KR20080003228A (ko) 2008-01-07
KR20080003218A (ko) 2008-01-07

Similar Documents

Publication Publication Date Title
WO2008004764A2 (fr) Supercooling apparatus
KR101143977B1 (ko) 냉장고
US8061150B2 (en) Apparatus for supercooling, and method of operating the same
US20130160467A1 (en) Refrigeration device with a region for storing food items in a generated field
KR101115239B1 (ko) 냉각 장치
US20090044544A1 (en) Refrigerator
KR20120022505A (ko) 냉동고
US20090064689A1 (en) Supercooling apparatus and its method
JP7293817B2 (ja) 冷蔵庫
KR20080003134A (ko) 냉장고의 동결 해제 장치
WO2009038425A2 (fr) Appareil pour surfusion
KR20080003141A (ko) 과냉각 장치 및 방법
WO2008147160A2 (fr) Appareil de surfusion
KR100844623B1 (ko) 과냉각 장치
WO2008150108A2 (fr) Appareil de surfusion
WO2008150103A2 (fr) Appareil de surfusion
KR101097669B1 (ko) 과냉각 장치 및 방법
WO2009038423A2 (fr) Appareil pour surfusion
KR100827870B1 (ko) 냉장고 및 냉장고의 운전 방법
KR20080030757A (ko) 냉장고
WO2008150102A2 (fr) Appareil de surfusion
MX2008010565A (en) Refrigerator
KR20040059620A (ko) 냉장고의 수납장치

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: 07746829

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase

Ref country code: DE

NENP Non-entry into the national phase

Ref country code: RU

122 Ep: pct application non-entry in european phase

Ref document number: 07746829

Country of ref document: EP

Kind code of ref document: A2