WO2010079943A2 - Unité de stockage insensible au gel - Google Patents

Unité de stockage insensible au gel Download PDF

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Publication number
WO2010079943A2
WO2010079943A2 PCT/KR2010/000058 KR2010000058W WO2010079943A2 WO 2010079943 A2 WO2010079943 A2 WO 2010079943A2 KR 2010000058 W KR2010000058 W KR 2010000058W WO 2010079943 A2 WO2010079943 A2 WO 2010079943A2
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WO
WIPO (PCT)
Prior art keywords
drawer
outer casing
temperature
freezing
freezing storage
Prior art date
Application number
PCT/KR2010/000058
Other languages
English (en)
Korean (ko)
Other versions
WO2010079943A3 (fr
Inventor
윤덕현
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to US13/128,346 priority Critical patent/US20110214448A1/en
Publication of WO2010079943A2 publication Critical patent/WO2010079943A2/fr
Publication of WO2010079943A3 publication Critical patent/WO2010079943A3/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • F25D23/126—Water cooler
    • 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
    • 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
    • A23L3/363—Freezing; Subsequent thawing; Cooling the materials not being transported through or in the apparatus with or without shaping, e.g. in form of powder, granules, or flakes
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • 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
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature

Definitions

  • the present invention relates to a freezing storage. More specifically, the present invention relates to a non-freezing store where foods requiring high levels of freshness, such as meat and vegetables, can be stored without freezing at sub-zero temperatures.
  • Subcooling means a phenomenon that no change occurs even when the melt or solid is cooled to below the phase transition temperature at equilibrium.
  • Each substance has a stable state corresponding to the temperature at that time, so that the temperature can be gradually changed so that members of the substance can keep up with the temperature change while maintaining the stable state at each temperature.
  • the member cannot afford to change to the stable state according to each temperature, so that the state remains stable at the starting point temperature, or a portion thereof changes to the state at the end point temperature.
  • This technique uses a supercooling phenomenon, which refers to a phenomenon in which the melt or solid does not change even when the melt or solid is cooled to below the phase transition temperature at equilibrium.
  • Such a technique includes the electrostatic field treatment method, the electrostatic field treatment apparatus, and electrodes used in them, which are disclosed in Korean Laid-Open Patent Publication No. 2000-0011081.
  • the metal shelf 7 installed in the interior of the storehouse has a two-stage structure, and on each stage, objects for thawing or freshness maintenance and ripening of vegetables, meat and fish are mounted.
  • the metal shelf 7 is insulated from the bottom of the furnace by the insulator 9.
  • the high voltage generator 3 can generate direct current and alternating voltage up to 0 to 5000 V, and the inside of the heat insulating material 2 is covered with an insulating plate 2a such as vinyl chloride.
  • the high voltage cable 4 for outputting the voltage of the high voltage generator 3 is connected to the metal shelf 7 through the outer wall 5 and the heat insulator 2.
  • FIG. 2 is a circuit diagram showing the circuit configuration of the high voltage generator 3.
  • AC 100V is supplied to the primary side of the voltage regulating transformer 15.
  • Reference numeral 11 denotes a power supply lamp
  • reference numeral 19 denotes a lamp indicating an operating state.
  • the relay 14 operates when the above-mentioned door 6 is closed and the safety switch 13 is turned on. This state is indicated by the relay operation lamp 12.
  • the relay contact ( 14a, 14b, and 14c are closed, and an AC 100V power source is applied to the primary side of the voltage regulating transformer 15.
  • the applied voltage is adjusted by the adjusting knob 15a on the secondary side of the voltage adjusting transformer 15, and the adjusted voltage value is displayed on the voltmeter.
  • the adjusting knob 15a is connected to the primary side of the secondary boosting transformer 17 of the voltage adjusting transformer 15.
  • the boosting voltage is boosted at a ratio of 1:50, for example.
  • One end O 1 of the secondary output of the boosting transformer 17 is connected to the metal shelf 7 insulated from the cold storage via the high voltage cable 4, and the other end O 2 of the output is earthed.
  • the outer wall 5 is earthed, even if the user of the cold storage 1 contacts the outer wall of the cold storage, electric shock will not occur.
  • the metal shelf 7 is exposed in the furnace in FIG. 1, since the metal shelf 7 needs to be kept insulated in the furnace, it is necessary to separate it from the walls of the furnace (air acts as an insulation). .
  • the object 8 protrudes from the metal shelf 7 and contacts the inner wall, current flows to the ground through the high wall.
  • an object of this invention is to provide the freezing storage which can hold
  • an object of the present invention is to provide a freezing storage that can complement the insulation of the front portion relatively insulated because the handle is provided.
  • the present invention is formed in front of the drawer to block the outer casing, the drawer drawable through the open front of the outer casing, the sensor installed in the outer casing and / or drawer, the heater installed in the outer casing and cold air Including an air layer, there is provided a freezing storage, characterized in that the food can be stored in a freezing state at subzero temperatures.
  • a freezing storage characterized in that the air layer and the food storage space in the drawer are partitioned by protrusions protruding from the front of the drawer.
  • the protrusion provides a freezing storage, characterized in that formed in the 'b' shape bent from the top to the bottom.
  • a freezing storage characterized in that the air layer and the food storage space in the drawer are partitioned by protrusions protruding from the bottom of the drawer.
  • the drawer provides a freezing storage, characterized in that the display is provided with a guide for not placing food in the space for forming the air layer.
  • the outer casing provides a freezing storage, characterized in that the insulation is filled therein.
  • the lower surface, the side and the rear side provide a freezing storage, characterized by a predetermined distance from the outer casing.
  • a drawer provides a freezing storage, characterized in that it comprises an air layer and a partition wall defining a food storage space in the drawer.
  • the partition wall provides a freezing storage, characterized in that it has an opening for circulation of the air layer and air in the air.
  • a freezing storage compartment characterized in that the air storage and the food storage space in the drawer are partitioned by a plurality of pins protruding from the bottom of the drawer.
  • the lower surface of the drawer provides a freezing storage, characterized in that it has an opening in the front of the air layer is formed so that the air from the bottom of the drawer is introduced into the air layer.
  • a freezing storage characterized in that a rib is formed around the opening of the lower surface of the drawer.
  • the freezing storage provided by the present invention allows the drawer to be completely detached from the outer casing, which can be used more conveniently.
  • the non-freezing storage provided by the present invention by forming an air layer on the front portion to perform a heat insulating action from other parts of the refrigerator by the air layer, it is possible to compensate for the heat insulation effect of the relatively weak front portion.
  • FIG. 1 is a view showing an embodiment of a thawing and freshness holding device according to the prior art
  • FIG. 2 is a circuit diagram showing a circuit configuration of a high voltage generator
  • FIG. 3 is a view showing a process of generating ice tuberculosis in the liquid being cooled
  • FIG. 4 is a view showing a process for preventing the formation of ice tuberculosis applied to the supercooling apparatus according to the present invention
  • FIG. 5 is a schematic configuration diagram of a supercooling apparatus according to the present invention.
  • FIG. 7 is an exploded perspective view of a freezing storage according to an embodiment of the present invention.
  • FIG. 8 is a perspective view of a freezing storage according to an embodiment of the present invention.
  • FIG. 9 is a view showing a cross section of the freezing storage according to an embodiment of the present invention.
  • FIG. 10 is a view showing a metal plate installed in the drawer of the freezing storage according to an embodiment of the present invention.
  • FIG. 11 is a view showing that a metal plate is installed in the drawer of the freezing storage according to an embodiment of the present invention
  • FIG. 12 is a view illustrating a process in which a drawer of a freezing storage of the present invention is inserted into an outer casing
  • FIG. 13 is a view showing a state in which the contact portion and the sensor installation portion of the non-freezing storage of the present invention in contact with,
  • FIG. 14 is an exploded perspective view illustrating a front part of a drawer included in a freezing storage according to an embodiment of the present invention
  • FIG. 15 is a view showing a first example of an air layer structure included in a freezing storage cell according to an embodiment of the present invention.
  • FIG. 15 is a view showing a second example of an air layer structure included in a freezing storage cell according to an embodiment of the present invention.
  • FIG. 17 is an exploded perspective view of the side casing provided in the non-freezing storage according to an embodiment of the present invention
  • FIG. 18 is a view showing an example in which a freezing storage according to an embodiment of the present application is applied to a conventional refrigerator;
  • 19 is a side sectional view showing that the freezing storage of the present invention is applied to a conventional refrigerator.
  • FIG. 3 is a view showing a process in which ice tuberculosis is generated in the liquid being cooled. As shown in FIG. 3, the container C which accommodates the liquid L (or the thing) is cooled in the storage S in which the cooling space was formed.
  • the cooling temperature of the cooling space is, for example, cooled from room temperature to 0 degrees (phase transition temperature of water) or below the phase transition temperature of the liquid L.
  • phase transition temperature of water for example, the temperature of the maximum ice crystal formation zone (-1 to -7 ° C) or less of the liquid (L) of water at which the maximum ice crystals are produced at about -1 to -7 ° C
  • the cooling temperature reaches or passes the temperature of the maximum ice crystal generation zone of the liquid L, it is formed as freeze tuberculosis F2 on the inner wall of the container or freeze tuberculosis F1 in the gas Lg.
  • condensation takes place at a portion where the surface Ls of the liquid L and the inner wall of the container C (which is substantially coincident with the cooling temperature of the cooling space) and such condensed liquid L are ice crystals.
  • Tuberculosis (F3) may be formed.
  • FIG. 4 is a view showing a process for preventing the formation of ice tuberculosis applied to the supercooling apparatus according to the present invention.
  • the temperature of the gas Lg or the surface Ls of the liquid L is applied to be higher than the temperature of the maximum ice crystal generation zone of the liquid L. More preferably, the phase transition temperature of the liquid L is equal to or higher than that of the liquid L. . In addition, the temperature of the surface Ls of the liquid L is set to the temperature of the maximum ice crystal generation zone of the liquid L so that the surface Ls of the liquid L does not freeze even if it contacts the inner wall of the container C. More preferably, the phase transition temperature of the liquid L is equal to or higher than that.
  • the liquid L in the container C is maintained in the supercooled state at or below the phase transition temperature or below the maximum ice crystal generation temperature of the liquid L.
  • the liquid L which is an object
  • the liquid L may be subjected to a supercooling state simply by applying energy only to the upper portion of the container C. Since it may not be able to hold
  • the energy applied to the upper portion of the vessel C is relatively larger than the energy applied to the lower portion of the vessel C, so that the upper temperature of the vessel C can be maintained higher than the phase transition temperature or the temperature of the maximum ice crystal generation zone. .
  • Receptacles herein can include meat, vegetables, fruits, other foods, and the like, as well as liquids.
  • the energy applied to the present invention may be applied to thermal energy, electric or magnetic energy, ultrasonic energy, light energy and the like.
  • FIG. 5 is a schematic configuration diagram of a supercooling apparatus according to the present invention.
  • the supercooling apparatus of FIG. 5 is mounted in a storage S in which cooling is performed, a case Sr having a storage space therein, a heating coil H1 mounted inside an upper surface of the case Sr, and generating heat;
  • the temperature sensor C1 for sensing the temperature of the upper portion of the storage space, the heating coil H2 mounted inside the lower surface of the case Sr to generate heat, and the temperature of the lower portion or the storage object P of the storage space. It is provided with a temperature sensor (C2) for sensing.
  • the supercooling device is installed in the storage S and, as cooling is performed, senses the temperature from the temperature sensor C1 and C2 so that the heating coils H1 and H2 perform the on operation.
  • heat is supplied to the storage space from the upper and lower portions of the storage space.
  • the amount of heat supplied is adjusted to control the upper portion of the storage space (or the air on the object P) to be higher than the maximum ice crystal generation temperature, more preferably higher than the phase transition temperature.
  • the positions of the heating coils H1 and H2 of FIG. 5 may be determined to be suitable positions for supplying heat (or energy) to the enclosure P and the storage space, and may be inserted into the side surface of the case Sr. Can be.
  • FIG. 6 is a graph illustrating a supercooling state of water according to the subcooling apparatus of FIG. 5.
  • the graphs of FIG. 6 are temperature graphs measured with the principle according to FIGS. 4 and 5 applied when the liquid L is water.
  • line I is the cooling temperature curve of the cooling space
  • line II is the temperature curve of the gas Lg (air) on the water surface in the vessel C or the case Sr (or the vessel C).
  • the line III is the temperature of the lower portion of the container (C) or the case (Sr)
  • the temperature of the outer surface of the container (C) or the case (Sr) is the container (C) or It is substantially the same as the temperature of the water in the case Sr.
  • the temperature of the gas Lg on the water surface in the vessel C is about higher than the temperature of the maximum ice crystal generation zone of the water.
  • the supercooled state in which the liquid state is maintained stably is maintained for a long time while the temperature of the water in the vessel C is maintained at about -11 ° C, which is equal to or less than the temperature of the maximum ice crystal generation zone of the water. At this time, heat is supplied by the heating coils H1 and H2.
  • Figure 7 is an exploded perspective view of a non-freezing storage according to an embodiment of the present invention
  • Figure 8 is a perspective view of a non-freezing storage according to an embodiment of the present invention
  • Figure 9 is a freezing storage according to an embodiment of the present invention The cross section of FIG.
  • the freezing storage largely includes an outer casing 100, a drawer 200 and the side casing (300).
  • the drawer 200 may be inserted into and withdrawn from the outer casing 100, and since the electronic device is not attached to the drawer 200, the drawer 200 may be completely detached from the outer casing 100 and detachable.
  • the outer casing 100 includes a heat insulator 110 to insulate the freezing storage from other areas in the refrigerator where the freezing storage is located.
  • the drawer 200 and the side casing 300 may also include heat insulating materials 210 and 310, respectively, to insulate portions where heat insulation is not sufficiently performed by only the heat insulating material 110 of the outer casing 100.
  • the heater 140 is installed inside the outer casing 100, and the heat generation amount of the heater 140 is controlled by a controller (not shown) to control the temperature of the freezing storage.
  • the heater 140 includes an upper heater 142 and a lower heater 144, and the calorific values of the upper heater 142 and the lower heater 144 are respectively adjusted by a controller (not shown).
  • an upper temperature sensor 132 for measuring the temperature of the freezing storage is installed on the upper side of the outer casing (100). In order to minimize the influence of the heat of the heater 140 on the temperature sensor 132 in the interior of the high temperature sensor 132, the heater 140 is located close to the position, and the heater 140 and the temperature in the interior A separate insulating member (not shown) may be further provided between the detection sensors 132.
  • the lower portion of the outer casing 100 is provided with sensors 134, 136 for detecting the temperature of the food.
  • the sensors 134 and 136 measure the temperature of the food located in the drawer 200, and if the food is widely distributed in the drawer 200, the sensor 134, 136 may be configured to better reflect the temperature of the food in the operation of the freezing storage. It is preferable to be provided in plural at intervals of. In the embodiment, two sensors 134 and 136 are provided, but three or more sensors may be provided.
  • the sensors 134 and 136 are not installed in the drawer 200 in contact with the food, but are installed in the outer casing 100, thereby transferring power to the sensors 134 and 136 to the drawer 200 and transmitting temperature sensing information.
  • the drawer 200 can be completely withdrawn from the outer casing 100. If the drawer 200 is not fully withdrawn from the outer casing 100, it is inconvenient to put food in or out of the drawer 200, and it is quite inconvenient to clean the drawer 200.
  • the sensors 134 and 136 are attached to the lower surfaces of the sensor mounting portions 134a and 136a of the metal sheet that are attached to the lower surfaces of the outer casing 100 so that the sensors 134 and 136 are exposed to the outside of the outer casing 100. Prevent it.
  • FIG. 10 illustrates a metal plate installed in a drawer of a non-freezing storage according to an embodiment of the present invention
  • FIG. 11 is a view illustrating a metal plate installed in a drawer of a freezing storage according to an embodiment of the present invention.
  • the temperature change of the metal plate 232 and the metal plate 232 to which the temperature change of the food distributed in the drawer 200 is transmitted is transferred to the sensors 134 and 136.
  • Contact portions 234 and 236 are provided. The contact portions 234 and 236 penetrate the bottom surface of the basket 230 and protrude downward. When the drawer 200 is fully inserted into the outer casing 100, the sensor installation portions 134a and 136a and the contact portion 234 are provided. 236 can be contacted without a gap to better convey the temperature of the food to the sensors 134, 136.
  • FIG. 12 is a view illustrating a process in which a drawer of a freezing storage of the present invention is inserted into an outer casing
  • FIG. 13 is a view showing a state in which a contact portion and a sensor installation portion of the freezing storage of the present invention are in contact with each other.
  • the drawer 200 included in the freezing storage according to the embodiment of the present invention includes contact portions 234 and 236 protruding downward from the bottom surface of the basket 230, and the contact portions 234 and 236 are sensors.
  • the sensors 134 and 136 may better sense the temperature of the food only when the contacts 134a and 136a are contacted without a gap.
  • the contact portions 234, 236 keep in contact with the outer casing 100 and cause friction while the drawer 200 moves within the outer casing 100, the contact portions 234, 236 and the outer casing 100 are frictional. There is a problem that excessive force is required at the time of abrasion, noise due to friction, and insertion and withdrawal. Accordingly, the contact portions 234 and 236 form a predetermined interval with the lower surface of the outer casing 100 when the drawer 200 moves in the outer casing 100, and the drawer 200 moves into the outer casing 100. When fully inserted, the contact portions 234 and 236 preferably contact the sensor mounting portions 134a and 136a. To this end, the outer casing 100 and the drawer 200 are provided with guides 120 and 220 (shown in FIG. 9) for guiding a moving position of the drawer 200 in the outer casing 100 at positions corresponding to each other. do.
  • the guides 120 and 220 include rails 122 and 222 and rollers 124 and 224, respectively.
  • the outer casing 100 and the drawer 200 of the drawer 200 are first formed.
  • the rollers 124, 224 contact each other, and then the roller 224 of the drawer 200 rolls over the rail 122 of the outer casing 100 and at the same time the drawer 200 over the roller 124 of the outer casing 100.
  • the rail 222 of the roll rolls the drawer 200 is inserted into the outer casing 100.
  • the rail 122 of the outer casing 100 is obliquely inclined downward so that the drawer 200 is positioned downward from the rear of the outer casing 100, and the roller 224 of the drawer 200 is inclined due to the inclined portion.
  • the rear portion is blocked with a width that can accommodate the roller 224.
  • the front of the rail 222 of the drawer 200 is the outer casing 124 to avoid interference with the roller 124 of the outer casing 100.
  • the step is formed to accommodate the roller 124 of the). Therefore, referring to the drawing, in the process of the drawer 200 is inserted into the outer casing 100 to move the contact portion 234, 236 at a predetermined distance from the lower surface of the outer casing 100 to move without interference and friction Can be.
  • the drawer 200 is moved downward by the guide parts 120 and 220, and the contact parts 234 and 236 are provided with the sensor installation part 134a,. 136a) is in full contact.
  • FIG. 14 is an exploded perspective view illustrating a front part of a drawer included in a freezing storage device according to an embodiment of the present invention.
  • the front portion of the drawer 200 forms a skeleton of the front portion of the drawer 200 and connects the front frame 240 and the front of the front frame 240 to the basket 230.
  • the cover 150 is attached to the rear of the front frame 240, the gasket 260 to seal between the outer casing 100 and the drawer 200 when the drawer 200 is closed, the drawer 200 is closed
  • the drawer 200 is closed
  • the elastic member 274 and the hook portion 272 to apply an elastic force to the hook portion 272 can be unlocked.
  • Grip 276 the heat insulating material 210 of the drawer 200 is filled in the front frame 240.
  • the handle 252 is a shape for easily withdrawing the drawer 200 from the outer casing 100, and any shape may be used. However, while releasing the locking state of the hook portion 272 by squeezing the grip portion 276, the handle 252 is a groove shape that is formed in the front lower side of the cover 250 so that the drawer 200 can be pulled out at the same time. It will be more convenient. However, if the position of the grip part 276 is changed, the position of the handle 252 may also be changed to a position where the grip part 276 may be gripped and the drawer 200 may be pulled out at the same time.
  • the freezing store needs to be reliably insulated from other areas in the refrigerator to maintain the freezing state of the food as described above.
  • the portion where the heat exchange or heat leakage is most likely to occur with other areas in the refrigerator is a gap between the drawer 200 and the outer casing 100 located in front.
  • the gasket 260 is attached to a portion in contact with the front portion of the outer casing 100 at the rear portion of the front frame 240 to more ensure the insulation of the drawer 200 and the outer casing 100.
  • the gasket 260 is made of an elastic material such as natural rubber or synthetic rubber, and the drawer 200 and the outer casing 100 receive deformation from the drawer 200 and the outer casing 100 between the drawer 200 and the drawer ( The gap between the outer casing 200 and the outer casing 100 is sealed.
  • the drawer 200 is guided to move downwards when the guides 120, 220 (shown in FIG. 12) are fully inserted into the outer casing 100, and the guides 120, 220: shown in FIG. Since it is inclined obliquely in the rear, it is forced backward and downward by its own weight. Accordingly, when the drawer 200 is fully inserted, the gasket 260 may deform and seal the gap between the drawer 200 and the outer casing 100 by the weight of the drawer 200.
  • the non-freezing storage according to the embodiment of the present invention further includes a hook portion 172 and a hook portion 272 for locking the outer casing 100 and the drawer 200 in order to seal more securely.
  • the grip portion 276 In order to manipulate the hook portion 272, the grip portion 276 is positioned inside the handle 252 of the cover 250, and the grip portion 276 is rotatably coupled to the front frame 240. When the user grasps the grip 252 together with the grip 276 while holding the grip 276, the grip part 276a is positioned on both sides of the grip 276 and is coupled to the cover 250. As the 276 rotates, the upper portion of the grip portion 276 pushes the lower portion of the hook portion 272.
  • the hook portion 272 also rotates around the coupling portion 272a coupled to the cover 250, while the upper portion of the hook portion 272 is lifted from the hook portion 172 of the outer casing 100, and the hook portion 272 and the engaging portion 172 is released so that the user can draw the drawer 200 from the outer casing (100).
  • the upper portion of the hook portion 272 is elastically fixed at both ends by the hook portion 272 and the cover 250 so that the upper portion of the hook portion 272 can be firmly fixed while pressing the locking portion 172 of the outer casing 100.
  • Member 274 is included. When the grip part 276 is gripped, the upper part of the hook part 272 is lifted and the elastic member 274 is deformed.
  • FIG. 15 is a view illustrating a first example of an air layer structure included in a freezing storage cell according to an embodiment of the present invention.
  • the heat insulating material 210 is filled in the front frame 240 in the front part of the drawer 200, the thickness of the heat insulating material 210 is compared with the thickness of the heat insulating material 110 inserted into the outer casing 100. Inevitably thin, the thermal insulation is poor. Therefore, the protruding portion 280 of the 'b' shape is formed so as not to place the food near the front of the drawer 200.
  • the protrusion 280 not only prevents the food from being located close to the front surface of the drawer 200, but the air layer formed in the space where the food cannot be placed due to the protrusion 280 may act as a heat insulating material. Therefore, since the protrusion 280 has a relatively high temperature compared to the front surface of the drawer 200, even if the food contacts the protrusion 280, it is possible to prevent the supercooling of the food is terminated and frozen.
  • FIG. 16 is a view illustrating a second example of an air layer structure included in a freezing storage cell according to an embodiment of the present invention.
  • a plurality of pins 280 ′ protrude from the bottom surface of the basket 230 of the drawer 200 to prevent food from being placed at a position near the front portion of the drawer 200.
  • a plurality of openings 290 are provided in the front portion of the basket 230 so that the heat of the lower heater 144 installed in the outer casing 100 can be better transferred to the front portion of the basket 230.
  • the flow between the drawer 200 and the outer casing 100 warmed by the lower heater 144 can convection through the opening 290, so that the temperature distribution inside the freezing reservoir is also more uniform.
  • the rib 292 surrounding the openings 290 is formed around the plurality of openings 290 to prevent moisture such as food having a high moisture from falling into the outer casing 100 through the openings 290. desirable.
  • a partition such as a partition having a through hole so as to allow convection
  • a plurality of pins such as a plurality of pins protruding at a predetermined height from the front of the drawer 200 ( Any form may be used as long as the air layer is formed so as not to place food in the front part of 230) and the air layer can cause convection in the freezing storage. It is also possible to simply display on the inner surface of the basket 230 to draw attention to not put food in the drawer 200.
  • FIG 17 is an exploded perspective view of the side casing provided in the freezing storage according to an embodiment of the present invention.
  • a heat insulating material 310 In the side casing 300, a heat insulating material 310, a control panel (not shown), a control panel mounting part 320, an operation panel (not shown), and an operation panel mounting part 330 are installed.
  • the operation panel (not shown) includes button portions 315a, 315b, 315c, and 315d for inputting a function of the non-freezing storage, and a display portion 316 for displaying the selected functions.
  • the side casing 300 is preferably provided with a window (hole) in a corresponding position so that the button portion (315a, 315b, 315c, 315d) and the display portion 316 of the PCB control board can be exposed to the outside. Since the button portions 315a, 315b, 315c, and 315d and the display portion 316 are located in the side casing 300 instead of the drawer 200, the drawer 200 is completely detachable from the outer casing 100.
  • the button sections 315a, 315b, 315c, and 315d have a button 315a for selecting a thin ice function, a button 315b for selecting a freezing function, a button 315c for selecting a supercooling function, and a power supply for the freezing storage.
  • the display unit 316 displays an on / off state of the power supply of the non-freezing storage 100 and a function currently being performed in the non-freezing storage.
  • the control panel receives an input signal from the button 315a and displays the display unit 316. Indicates that the refrigeration function has been selected.
  • the control panel adjusts the calorific value of the heater 140 installed in the outer casing 100 (shown in FIG. 8) so that the temperature in the freezing storage is within a temperature range of approximately -5 ° C to -8 ° C. .
  • the control panel adjusts the heat output of the heater 140 through the internal temperature sensor 132 and the sensors 134 and 136 to control the temperature in the freezing storage to be within a desired temperature range. For example, if you use meat free mode to store meat in an unfrozen vault, you can easily chop meat with slightly frozen ice.
  • the control panel turns off all the heaters 140, and allows food to be stored at the same temperature as other areas of the refrigerator without separate temperature control.
  • the control panel may control the sensors 132, 134, and 136 so that the temperature in the non-freezing storage maintains a temperature of approximately -2 ° C to -4 ° C.
  • the control panel may control the sensors 132, 134, and 136 so that the temperature in the non-freezing storage maintains a temperature of approximately -2 ° C to -4 ° C.
  • the control panel uses the internal temperature sensor 132 and the sensors 134 and 136, and the temperature in the refrigerator is -2 ° C to -4 ° C through a predetermined algorithm.
  • the amount of heat generated by the heater 140 may be adjusted to maintain the temperature of the heater 140.
  • the sensor 134 , 136 may be used to control the calorific value of the lower heater 144 to simply control the temperature of the lower part in the freezing storage to be maintained at approximately -3 °C ⁇ -4 °C.
  • FIG. 18 is a view illustrating an example in which a freezing storage according to an embodiment of the present application is applied to a conventional refrigerator.
  • the refrigerator 1000 is divided into a freezing compartment 1100 and a refrigerating compartment 1200, and a freezing storage 2000 is installed in the freezing compartment 1100.
  • cold air for cooling the freezing compartment 1100 may be cooled around the freezing storage 2000 to store meat in the freezing storage 2000 at a low temperature.
  • the temperature in the freezer compartment 1100 is maintained at a temperature lower than the temperature for freezing the meat at a temperature between -8 ° C and -18 ° C, but the temperature sensor 132 and the sensor in the control panel (not shown)
  • a predetermined algorithm 134, 1366 to adjust the amount of heat of the heater 140 (see Fig. 9) so that the temperature in the non-freezing storage 2000 is maintained at a temperature of -2 °C ⁇ -4 °C no meat Can be stored frozen.
  • the temperature may be the same as the temperature of the freezer compartment 1100 without turning on the heater 140 (refer to FIG. 9) according to a user's selection.
  • FIG. 19 is a side sectional view showing that the freezing storage of the present invention is applied to a conventional refrigerator.
  • the freezing compartment 1100 and the refrigerating compartment are arranged long left and right, respectively, and the freezing storage 2000 may be installed between the shelves of the freezing compartment 1100, the top of the shelf, or the bottom of the shelf.
  • the evaporator 1300 is positioned on the rear surface of the freezing chamber 1100, and the evaporator 1300 and the ambient air exchange heat to generate cold air.
  • the cold air flows into the freezing compartment 1100 to maintain the refrigerator 1000 at a low temperature.
  • the cold air heat exchanged with the evaporator 1300 is introduced into the freezing chamber 1200 through the cold air inlet hole 2420 through the duct 1600.
  • the temperature in the freezing storage 2000 located in the cooling compartment 1200 is also maintained at the same temperature as the freezing chamber 1200 unless the heater 140 (see FIG. 9) is operated.
  • the heater is operated under the control of a control panel (not shown)
  • the meat may be stored in the freezing state while the temperature in the freezing storage 2000 is maintained at a temperature of -2 ° C to -4 ° C.
  • the non-freezing storage 2000 may be in the form of being able to open and close only the drawer forward while being fixed to the freezing compartment 1100, or may be of a form in which the freezing storage 2000 itself can be separated from the freezing compartment 1100. .
  • a terminal capable of transmitting electricity to the freezing compartment 1100 and the non-freezing storage 2000, respectively.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

La présente invention concerne une unité de stockage insensible au gel comprenant une carrosserie extérieure ayant une surface avant ouverte, un tiroir qui peut être sorti au travers de la surface avant ouverte de la carrosserie extérieure, un capteur installé sur la carrosserie extérieure et/ou le tiroir, un corps de chauffe installé dans la carrosserie extérieure, et une couche d'air formée à l'avant du tiroir pour intercepter l'air frais. L'unité de stockage insensible au gel se trouve dans un espace de refroidissement pour stocker des aliments dans un état non congelé à une température inférieure à 0°C.
PCT/KR2010/000058 2009-01-08 2010-01-06 Unité de stockage insensible au gel WO2010079943A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/128,346 US20110214448A1 (en) 2009-01-08 2010-01-06 Non-freezing storage unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020090001663A KR20100082258A (ko) 2009-01-08 2009-01-08 무동결 보관고
KR10-2009-0001663 2009-01-08

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WO2010079943A2 true WO2010079943A2 (fr) 2010-07-15
WO2010079943A3 WO2010079943A3 (fr) 2010-12-23

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US (1) US20110214448A1 (fr)
KR (1) KR20100082258A (fr)
WO (1) WO2010079943A2 (fr)

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CN110906650A (zh) * 2019-10-10 2020-03-24 合肥晶弘电器有限公司 一种过冷却不冻结储存的控制方法和冰箱

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DE102015006585A1 (de) * 2015-01-29 2016-08-04 Liebherr-Hausgeräte Lienz Gmbh Wärmeisoliertes und temperiertes Behältnis
KR102330783B1 (ko) * 2017-06-01 2021-11-25 엘지전자 주식회사 냉장고
CN114279164B (zh) * 2021-12-30 2022-11-25 珠海格力电器股份有限公司 一种冰箱的控制方法及具有食品保鲜冷冻功能的冰箱

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CN110906650A (zh) * 2019-10-10 2020-03-24 合肥晶弘电器有限公司 一种过冷却不冻结储存的控制方法和冰箱

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KR20100082258A (ko) 2010-07-16
US20110214448A1 (en) 2011-09-08
WO2010079943A3 (fr) 2010-12-23

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