WO2022142778A1 - 具有冷冻储物装置的冰箱 - Google Patents
具有冷冻储物装置的冰箱 Download PDFInfo
- Publication number
- WO2022142778A1 WO2022142778A1 PCT/CN2021/130608 CN2021130608W WO2022142778A1 WO 2022142778 A1 WO2022142778 A1 WO 2022142778A1 CN 2021130608 W CN2021130608 W CN 2021130608W WO 2022142778 A1 WO2022142778 A1 WO 2022142778A1
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- Prior art keywords
- storage
- refrigerator
- storage box
- magnetic field
- electromagnetic coils
- Prior art date
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- 238000007710 freezing Methods 0.000 claims abstract description 50
- 230000008014 freezing Effects 0.000 claims abstract description 50
- 238000005057 refrigeration Methods 0.000 claims abstract description 43
- 238000001514 detection method Methods 0.000 claims abstract description 18
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- 238000002194 freeze distillation Methods 0.000 description 1
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Images
Classifications
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- 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
- F25D21/04—Preventing the formation of frost or condensate
-
- 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
- A23L3/001—Details of apparatus, e.g. for transport, for loading or unloading manipulation, pressure feed valves
-
- 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
- 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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
-
- 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
- F25D25/005—Charging, supporting, and discharging the articles to be cooled using containers
-
- 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
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
-
- 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
- F25D29/005—Mounting of control devices
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/061—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation through special compartments
-
- 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
- F25D2500/00—Problems to be solved
- F25D2500/06—Stock management
-
- 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
-
- 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
- F25D2700/122—Sensors measuring the inside temperature of freezer compartments
Definitions
- the present invention relates to a refrigerating and freezing storage device, in particular to a refrigerator with a freezing storage device.
- An object of the present invention is to provide a freezing control method and a refrigerator for a refrigerator that can effectively improve the quality of frozen storage.
- a further object of the present invention is to adapt the magnetic field to the requirements of refrigeration and preservation.
- the present invention provides a refrigerator with a refrigerated storage device, which includes: a box body, in which a storage compartment for realizing the function of refrigerated storage is provided; the refrigerated storage device is arranged in the storage compartment, It also includes: a storage box, which defines a frozen storage space; a storage detection device, which is arranged in the storage box and configured to detect the state of storage in the frozen storage space; The outer side of the storage box is configured to determine a corresponding applied magnetic field mode according to the state of the stored items, and the applied magnetic field mode includes: stopping generating a magnetic field, activating some of the multiple sets of the electromagnetic coils, and starting all the multiple sets of the electromagnetic coils.
- each group of electromagnetic coils includes: a first coil disposed opposite to the top of the storage box and a second coil disposed at the bottom of the storage box, the first coil and the second coil are connected in series or in parallel.
- the above-mentioned refrigerated storage device further includes: a magnetic frame, made of magnetic material, sleeved on the outside of the storage box, and configured to make the magnetic field pass through the magnetic frame to complete a closed loop of magnetic lines of force.
- a plurality of first bosses spaced along the lateral direction of the storage box are formed on the inner side of the top wall of the magnetic frame, and each first boss is used for arranging the first coils of a group of electromagnetic coils; the magnetic frame The inner side of the bottom wall is formed with second bosses arranged opposite to the first bosses, and each second boss is used for arranging the second coils of a group of electromagnetic coils.
- the storage box includes: an outer cylinder, which is arranged in the space enclosed by the magnetic frame and has a forward opening; and a drawer, which is detachably arranged in the outer cylinder.
- an air inlet and an air return port are opened on the rear wall of the outer cylinder, and the air inlet is used to connect the air supply air duct of the refrigerator or the evaporator of the refrigerator, so as to introduce the cooling air into the storage box; the air return port is used to connect the refrigerator.
- the return air duct of the refrigerator or the evaporator of the refrigerator is connected to return the heat-exchanged airflow to the return air duct or the evaporator of the refrigerator.
- the above-mentioned refrigerator with a refrigerated storage device further includes: an opening and closing detector, wherein the opening and closing detector is configured to detect the opening and closing state of the storage box; the storage detection device is also configured to detect the refrigerated storage space
- the storage box is refrigerated by down-starting; and the electromagnetic coil whose magnitude of change in the internal temperature of the corresponding area is greater than the first set threshold is started to release the magnetic field.
- the magnetic pole directions of the two sets of electromagnetic coils are set to be opposite.
- the electromagnetic coil is activated, if the internal temperature of the corresponding area cools down to the second set threshold, the magnetic field is stopped to be generated.
- the refrigeration controller is further configured to stop the refrigeration of the storage box after the internal temperature of the corresponding areas of the two sets of electromagnetic coils cools down to the third set threshold, and according to the preset refrigeration start conditions and The refrigerated off condition performs conventional freezing control of the storage box to maintain the refrigerated storage environment of the storage box; the third set threshold is lower than the second set threshold.
- the refrigerated storage device is provided with multiple sets of electromagnetic coils on the outside of the storage box, and the multiple sets of electromagnetic coils are determined according to the state of the stored items in the refrigerated storage space detected by the storage detection device.
- the applied magnetic field mode makes the magnetic field in the frozen storage space suitable for the freezing and refrigeration process. On the one hand, it improves the quality of frozen storage and meets the user's storage quality requirements for precious ingredients. On the other hand, the heating of the electromagnetic coil and the effect of magnetization on the outer parts of the refrigerated storage device are also reduced by the targeted adjustment.
- the refrigerator with the refrigerating storage device of the present invention also provides a closed path of the magnetic force line through the magnetic frame, and provides an assembly structure for the electromagnetic coil, which reduces the occupied space and improves the practicability.
- the refrigerator with the refrigerating storage device of the present invention can be provided with even groups of electromagnetic coils, for example, two groups of electromagnetic coils.
- the magnetic field mode in which the two sets of coils are activated at the same time by setting the magnetic pole directions of the magnetic fields to be opposite, the magnetic field lines can be made more uniform, and the external magnetization can be canceled or reduced.
- the internal temperature changes before and after each area of the storage box is opened and closed are obtained, and the change in the internal temperature of each area is determined.
- the corresponding applied magnetic field mode is turned on to form a suitable magnetic field, so that the ingredients are frozen in the magnetic field environment, and the growth of ice crystal nuclei is inhibited, so that the growth rate of ice crystals is higher than the migration of water molecules.
- the resulting ice crystals are relatively small, thereby reducing damage to cells, avoiding juice loss, ensuring better taste of ingredients, improving the quality of frozen storage, and meeting users' storage quality requirements for precious ingredients.
- the refrigerator with the refrigerating storage device of the present invention has improved the opening and closing conditions of the electromagnetic field, and the magnetic field is applied during the period when the ice crystals are mainly formed, which improves the use efficiency of the magnetic field, and on the one hand reduces the magnetic field for the storage box.
- FIG. 1 is a schematic perspective view of a refrigerator with a freezer storage device according to one embodiment of the present invention
- FIG. 2 is a schematic diagram of a freezer storage device of a refrigerator with a freezer storage device according to an embodiment of the present invention
- FIG. 3 is a schematic diagram of the cooperation between a magnetic frame and a storage box in a refrigerator with a freezer storage device according to an embodiment of the present invention
- FIG. 4 is a schematic diagram of a magnetic frame in a refrigerator with a freezer storage device according to an embodiment of the present invention
- FIG. 5 is a schematic diagram of an outer cylinder of a storage box in a refrigerator with a freezer storage device according to an embodiment of the present invention
- FIG. 6 is a schematic diagram of an electromagnetic coil in a refrigerator with a refrigerated storage device according to an embodiment of the present invention
- FIG. 7 is a schematic diagram of a magnetic field formed in a freezer storage device of a refrigerator with a freezer storage device according to an embodiment of the present invention.
- FIG. 8 is a schematic diagram of another magnetic field formed in a freezer storage device of a refrigerator with a freezer storage device according to an embodiment of the present invention.
- FIG. 9 is a block diagram of a control system of a refrigerator with a refrigerated storage device according to an embodiment of the present invention.
- FIG. 10 is a schematic diagram of a freezing control method of a refrigerator with a freezing storage device according to an embodiment of the present invention.
- the refrigerator 10 of this embodiment may generally include a box body 120, a door body 110, and a refrigeration system (not shown in the figure).
- the box body 120 may define at least one storage compartment whose front side is open, usually a plurality of storage compartments, such as a refrigerated storage compartment, a freezing storage compartment, a temperature-changing storage compartment, and the like.
- the number and function of specific storage compartments can be configured according to pre-requirements.
- the refrigerator 10 should at least have a refrigerated storage compartment or a temperature-variable storage compartment whose temperature can reach the freezing range (that is, it can be used to realize a refrigerated storage environment), that is, the box body 120 is provided with a refrigerated storage compartment for realizing refrigerated storage.
- the temperature range for frozen storage can generally be set from -14°C to -22°C.
- the refrigerator 10 of this embodiment may be an air-cooled refrigerator, and an air duct system is arranged in the box body 120, and the refrigerating air heat exchanged by the evaporator is sent to the storage compartment through the air supply port by the fan, and then the air is returned through the return air port. road. achieve refrigeration. Since the box body 120 , the door body 110 and the refrigeration system of this type of refrigerator are all known to those skilled in the art and are easy to implement, in order not to obscure and obscure the invention point of the present application, the box body 120 , the door body 110 will be discussed in the following text. . The refrigeration system itself will not be described in detail.
- a refrigerated storage device 200 is arranged inside the refrigerated storage compartment.
- the refrigerated storage device 200 forms an independently closed refrigerated storage space, which can improve the storage quality of the refrigerated storage space by means of a magnetic field.
- a magnetic field Under the action of a certain strength of the magnetic field, in the freezing process, the free path of water molecules can be restricted, which is manifested as the breaking of hydrogen bonds in the water molecules. Because the growth of crystal nucleus is inhibited, the growth rate of ice crystals is higher than the migration rate of water molecules, and the resulting ice crystals are small, so the damage to cells is also small, the loss rate of juice is reduced, and the nutrition and taste of ingredients are better preserved.
- the magnetic field can shorten the freezing time, which helps to suppress the number of microorganisms and bacteria.
- the refrigerator 10 of this embodiment further improves the magnetic field in a targeted manner, and further improves the quality of frozen storage by optimizing the direction of the magnetic field and the start-stop time.
- FIG. 2 is a schematic diagram of the freezer storage device 200 of the refrigerator 10 with the freezer storage device 200 according to one embodiment of the present invention
- FIG. 3 is a magnetic frame in the refrigerator 10 with the freezer storage device 200 according to one embodiment of the present invention
- Fig. 4 is a schematic diagram of the magnetic frame 210 in the refrigerator 10 with the freezing storage device 200 according to an embodiment of the present invention
- Fig. 5 is a schematic diagram of an outer cylinder 241 of a storage box 240 in a refrigerator 10 with a freezer storage device 200 according to an embodiment of the present invention
- FIG. 6 is a schematic diagram of a refrigerator 10 with a freezer storage device 200 according to an embodiment of the present invention
- a schematic diagram of the electromagnetic coil 230 A schematic diagram of the electromagnetic coil 230 .
- the refrigerated storage device 200 is arranged in the storage compartment, and generally may include: a plurality of sets of electromagnetic coils 230 , a storage box 240 , a storage detection device 250 , and the like.
- the storage box 240 can form an independently sealed frozen storage space, so as to provide a better frozen storage environment for specific ingredients.
- the storage box 240 is disposed in the space enclosed by the magnetic frame 210 .
- the storage box 240 may include: an outer cylinder 241 and a drawer 242 .
- the outer cylinder 241 is disposed in the magnetic frame 210 and has a forward opening.
- the drawer 242 is provided in the outer cylinder 241 in a drawable manner.
- the front panel of the drawer 242 may form a sealing structure with the outer cylinder 241 .
- the rear wall of the outer cylinder 241 is provided with an air inlet 243 and an air return port 244 , and the air inlet 243 is used to connect to the air duct air outlet of the refrigerator 10 or to the evaporator of the refrigerator 10 .
- the air return port 244 is used to connect to the air duct return port of the refrigerator 10 or to the evaporator of the refrigerator 10 (for example, to the bottom of the evaporator) area) to return the heat-exchanged airflow to the return air duct or the evaporator of the refrigerator 10 .
- the air inlet 243 and the air return port 244 may be provided with dampers (not shown in the figure). Controlled opening of the damper during cooling supply.
- the air inlet 243 and the air return port 244 can be configured according to the air duct of the air-cooled refrigerator, and the position and structure of the evaporator.
- the storage detection device 250 is disposed in the storage box 240 and configured to detect the storage state of the storage in the refrigerated storage space.
- the storage detection device 250 can be an infrared sensor that can scan the temperature distribution in the refrigerated storage space of the storage box 240, or can be a plurality of independent infrared sensors (each infrared sensor is used to detect the temperature distribution in a certain area of the refrigerated storage space. temperature).
- the storage detection device 250 can obtain the internal temperature change of each position in the refrigerated storage space by detecting.
- the storage detection device 250 may be disposed inside the top wall of the outer cylinder 241 .
- Multiple sets of electromagnetic coils 230 are laterally arranged on the outside of the storage box 240, and are configured to determine a corresponding applied magnetic field mode according to the state of the stored items. Solenoid is activated, and all solenoids are activated. The applied magnetic field mode of the electromagnetic coil 230 may be adjusted according to the detection result of the storage detection device 250 .
- each set of electromagnetic coils 230 may include: a first coil 231 oppositely disposed on the top of the storage box and a second coil 232 disposed at the bottom of the storage box 240, respectively, the first coil 231 and the second coil 232 connected in series or in parallel.
- the first coil 231 and the second coil 232 in each group of electromagnetic coils 230 start and stop simultaneously, thereby forming a magnetic field in the refrigerated storage space between the first coil 231 and the second coil 232 .
- the entire refrigerated storage space can be covered with multiple sets of electromagnetic coils 230 .
- an even group of electromagnetic coils 230 may optionally be used.
- two sets of electromagnetic coils 230 may be selected, corresponding to the left half and the right half of the storage box 240 respectively.
- the electromagnetic coil 230 on the left can be activated; when it is detected that new ingredients are placed in the right half of the storage box 240, the electromagnetic coil 230 on the right can be activated.
- the magnetic pole directions of the two sets of electromagnetic coils 230 can be set to be opposite, which can make the magnetic lines of force more uniform, and can cancel or reduce the external magnetization. Since the applied magnetic field mode can be flexibly adjusted, the magnetic field in the frozen storage space can be made suitable for the freezing and refrigeration process.
- the refrigerator 10 of this embodiment may also be provided with a magnetic frame 210 .
- the magnetic frame 290 is made of magnetic material, is sleeved on the outside of the storage box 240 , and is configured so that the magnetic field passes through the magnetic frame 210 to complete a closed loop of magnetic lines of force.
- the magnetic material can be a soft magnetic material or a hard magnetic material, for example, a soft magnetic material can be used.
- the soft magnetic material is characterized by low coercivity and high magnetic permeability.
- the magnetic frame 210 can be used to gather the magnetic field and reduce the release of the magnetic field to the outside. , to reduce interference to other components outside the refrigerated storage device 200 (eg, magnetize other components, etc.).
- the inner side of the top wall of the magnetic frame 210 is formed with a plurality of first bosses 211 spaced along the lateral direction of the storage box 240, and each first boss 211 is used for arranging the first coils 231 of a group of electromagnetic coils;
- the inner side of the bottom wall of the magnetic frame 210 is formed with second bosses 212 opposite to the first bosses 211 , and each second boss 212 is used for arranging a second coil 232 of a group of electromagnetic coils. That is, the first coil 231 is sleeved on the outer periphery of the first boss 211 , and the second coil 232 is sleeved on the outer periphery of the second boss 212 .
- the number of the first bosses 211 and the second bosses 212 may be two.
- the magnetic frame 210 may be a square cylindrical body with a through opening in the front-rear direction, that is, a frame body with a curved cross-section.
- the front and rear ends of the square cylinder body respectively have through openings for arranging various types of storage boxes 240 .
- the top wall and the bottom wall of the magnetic frame 210 are respectively formed with a first boss 211 and a second boss 212 .
- the first boss 211 and the second boss 212 respectively provide mounting structures for the first coil 231 and the second coil 232 .
- the magnetic frame 210 provides a closed path for the magnetic force lines, and provides an assembly structure for the electromagnetic coil 230, which reduces the occupied space and improves the practicability.
- the cross section of the first boss 211 and the second boss 212 can be square, circular or oval. When a square cross section is used, the first boss 211 and the second boss 212 are more convenient to fit with the box 120 structure. .
- the shape of the inner circumference of the first coil 231 and the second coil 232 is adapted to the outer circumference of the corresponding first boss 211 and the second boss 212 , and is set to be square, circular or elliptical accordingly.
- the first coil 231 and the second coil 232 are mirror images.
- the first coil 231 and the second coil 232 can be formed in a flat box shape and wound in the circumferential direction, so that the magnetic pole direction of the magnetic field generated after power-on is perpendicular to the first boss 211 and the second boss 212 .
- the heights of the first boss 211 and the second boss 212 can be adapted to the thicknesses of the first coil 231 and the second coil 232 , so that the inner walls of the ring-shaped frame are substantially flush, so that the storage box 240 can be arranged.
- the first coil 231 and the second coil 232 may be formed as flat elliptical rings or circular rings.
- the magnetic frame 210 is used to guide the magnetic field generated by the electromagnetic coil 230, so as to avoid uneven magnetic field and affect other components outside the storage box 240, so that the electromagnetic coil 230 can form a uniform and strong enough in the refrigerated storage space to meet the requirements of improving the freezing performance. Magnetic field required for storage mass.
- the magnetic field arrangement structure in which the first coil 231 and the second coil 232 are respectively arranged in the two sets of electromagnetic coils 230 can meet various control requirements of the magnetic field assisted refrigeration, and the magnetic field type is more flexible.
- those skilled in the art can set more sets of electromagnetic coils 230 .
- the magnetic pole directions of the two sets of electromagnetic coils 230 are set to be opposite, so that the magnetic lines of force are more uniform, and the external magnetization can be canceled or reduced.
- Each set of electromagnetic coils 230 can be independently controlled to achieve various modes of applied magnetic field.
- FIG. 7 and 8 are respectively schematic diagrams of a magnetic field formed in a freezer storage device of a refrigerator with a freezer storage device according to an embodiment of the present invention, wherein the magnetic field in FIG. 7 is generated when two sets of electromagnetic coils 230 are activated at the same time, It can be applied to the situation where a magnetic field is needed to assist freezing and fresh-keeping in most areas of the frozen storage space.
- the magnetic pole directions of the two sets of electromagnetic coils 230 are set to be opposite, and the magnetic fields generated by the two sets of coils 230 are superimposed on each other to reduce the leakage of external magnetic fields.
- the effective magnetic flux density generated under the unit current is more, which is beneficial to reduce the heat generation of the coil 230 . Since the outer magnetic fields generated by the two sets of coils are superimposed on each other, the magnetic frame 210 can be eliminated, and the magnetic flux density in the refrigerated storage space is not affected, thereby saving the cost of the magnetic field preservation device.
- the electromagnetic coil 230 on that side may only be activated. This is especially true for the wider drawers of the freezer compartment of a French refrigerator. Because the entire refrigerated storage space is relatively wide, only one side of the electromagnetic coil is activated by detecting the storage state, which saves power consumption and reduces the heating of the coil.
- the magnetic field in FIG. 8 is generated when the left electromagnetic coil 230 is activated, and can be applied to the situation where a magnetic field is required to assist the freezing and fresh-keeping in the left area of the freezing storage space. Similarly, if the area on the right side of the refrigerated storage space needs a magnetic field to assist in refrigerated preservation, the right electromagnetic coil 230 can be activated.
- the refrigerator 10 of this embodiment combines the magnetic field control of the electromagnetic coil 230 with the refrigeration control to ensure that the food is frozen in the magnetic field environment and achieve the effect of keeping fresh and freezing.
- 9 is a block diagram of a control system of a refrigerator 10 with a refrigerated storage device 200 according to an embodiment of the present invention, and the refrigerator 10 is further provided with a storage detection device 250 , an opening and closing detector 270 , and a refrigeration controller 300 .
- the storage detection device 250 is arranged in the outer cylinder 241 of the storage box 240, and is used to detect the temperature in the drawer 242, and further, it can be detected that the corresponding area of each group of electromagnetic coils 230 in the frozen storage space is opened when the storage box 240 is opened. Changes in internal temperature before and after being closed, such as detecting temperature changes in the left area of the freezer storage space and temperature changes in the right area.
- the opening/closing detector 270 is configured to detect the opening/closing state of the drawer 242 . After the drawer 242 is pulled open and then closed, with the help of the storage detection device 250, it can be detected whether new ingredients are put in, or whether the original ingredients need to be re-frozen. Then, the electromagnetic coil 230 is cooperated with the refrigeration system, so that the magnetic field-assisted freezing can be realized, and the effect of freezing and fresh-keeping of the food can be improved.
- the refrigeration controller 300 includes a memory 310 and a processor 320 .
- a control program 311 is stored in the memory 310 , and when the control program 311 is executed by the processor 320 , is used to control the electromagnetic coil 230 and the refrigeration system, thereby realizing a corresponding refrigeration control method.
- Various sensors provide detection means for magnetic field control, so as to meet the control requirements of the control method.
- the refrigeration controller 300 may be configured to initiate refrigeration of the storage box 240 when the magnitude of the change in the internal temperature of the corresponding area of any group of electromagnetic coils before and after the storage box 240 is opened and closed is greater than the first set threshold.
- the internal temperature change of the storage box 240 reflects the state of the stored food. If the internal temperature changes greatly, it means that new food is put into the storage box 240, or whether the temperature of the food has risen and needs to be re-frozen; If the change in internal temperature is small, the food may still be frozen. If the magnitude of the change in the internal temperature of a certain area in the refrigerated storage space is greater than the first set threshold, the refrigeration controller 300 starts to refrigerate the storage box 240 .
- the first set threshold can be set to 2-8 degrees Celsius, which can be flexibly set according to the freezing set temperature. For example, the range of the temperature change in any of the left area or the right area of the freezing storage space is greater than the first set threshold, and the freezing and cooling is started.
- the electromagnetic coils whose magnitudes of changes in the internal temperature of the corresponding area are greater than the first set threshold are simultaneously activated to release the magnetic field.
- the auxiliary effect of the magnetic field can be used to achieve better freezing and storage quality of the stored items, and its sterilization effect is also better.
- the above-mentioned starting conditions can also avoid the increase in heat generation and energy consumption caused by the long-term formation of the magnetic field, and on the other hand, it can also avoid the magnetization effect on other components outside the storage box 240 .
- the electromagnetic coil 230 After the electromagnetic coil 230 is activated, if the internal temperature of the corresponding area is cooled to the second set threshold, the generation of the magnetic field will be stopped. As the freezing process continues, the magnetic field required for the auxiliary freezing will decrease accordingly. Turning off the electromagnetic coil 230 can To further reduce energy consumption, the second set threshold can be set to -10 to 12 degrees Celsius, within this temperature range, most of the stored items have been frozen.
- the refrigeration controller 300 stops cooling the storage box 240, and the third set threshold is smaller than the second set threshold, which can be determined according to the storage box 240.
- the freezer shutdown temperature setting set by the storage box 240 may generally be lower than the set freezer shutdown temperature. That is, after the magnetic field coil 230 completes its work, the freezing and cooling are delayed for a period of time and turned off. Since this cooling is performed after the storage box 240 is opened, setting the third set threshold to a lower value can achieve supercooling to a certain extent and improve the quality of frozen storage.
- the refrigeration controller 300 After the refrigeration controller 300 stops refrigerating the storage box 240 , it may be further configured to: perform conventional refrigeration control on the storage box 240 according to the preset refrigeration start-up conditions and refrigeration shutdown conditions of the storage box 240 , so as to maintain the storage box 240 and the electromagnetic coil 230 may be configured to generate a magnetic field according to a preset opening and closing strategy during the conventional freezing control of the storage box 240 by the refrigeration controller 300 .
- the normal freezing control of the storage box 240 is restored, that is, the freezing control of the storage box 240 is performed according to the preset cooling start condition and cooling shutdown condition of the storage box 240 .
- the cooling start condition and the cooling off condition can also be set according to the set temperature of the storage box 240 , and the cooling starts when the temperature is higher than the cooling start temperature, and the cooling is stopped when the temperature is lower than the cooling off temperature.
- a magnetic field may also be used to assist refrigeration, so as to avoid the deterioration of the storage quality when some ice crystals are regenerated.
- An opening and closing strategy may be: the magnetic field is turned on and off at the same time as the cooling of the storage box 240 is turned on and off, that is, the magnetic field and the cooling are turned on and off at the same time.
- Another alternative solution is to activate the magnetic field when starting the cooling of the storage box 240, and turn off the magnetic field before stopping the cooling of the storage box 240, that is, the magnetic field is only activated at the beginning of cooling. After the actual test, the storage quality of the magnetic field only started at the beginning of the cooling stage did not decrease significantly compared with the storage quality of the magnetic field and the cooling started and stopped at the same time.
- another opening and closing strategy may be: in the process of performing freezing control on the storage box 240 according to the preset refrigeration start-up conditions and refrigeration shutdown conditions of the storage box 240, according to the set Periodically activate the magnetic field, that is, the magnetic field is activated periodically.
- two sets of electromagnetic coils 230 can be made to generate magnetic fields alternately, for example, the left electromagnetic coil 230 is activated for the first time, and the right electromagnetic coil is activated for the second time. so cycle.
- the step of turning on cooling the storage box 240 may include: opening an air inlet, and turning on a cooling airflow to the air inlet 243 .
- FIG. 10 is a schematic diagram of a freezing control method of a refrigerator with a freezing storage device according to an embodiment of the present invention.
- the process of this embodiment is a specific application example of the freezing control method for a refrigerator, in which the execution order of some steps can be adjusted.
- the process can include:
- Step S902 detecting the opening and closing state of the storage box 240;
- Step S904 it is determined that the storage box 240 is closed after being opened, that is, it is determined whether an opening and closing event occurs in the storage box 240;
- Step S906 acquire the internal temperature changes before and after the storage box 240 is opened, and determine whether the magnitude of the internal temperature change is greater than the first set threshold, that is, determine whether the storage box 240 has new food, or whether food is placed in the storage box 240.
- the first set threshold can be set to 2 to 8 degrees Celsius. If the change in the internal temperature is small, the food may not need to be re-frozen, and the refrigeration of the frozen storage can be routinely controlled, that is, Refrigeration control is performed according to the set startup temperature threshold and shutdown temperature threshold.
- step S908 the cooling is turned on, and air is supplied to the storage box 240,
- Step S910 determine the area of the frozen storage space where the magnitude of the internal temperature change is greater than the first set threshold, and activate the electromagnetic coil 230 corresponding to this area; the magnitude of the internal temperature change in the left area of the frozen storage space is greater than the first
- the threshold is set, the left electromagnetic coil 230 is activated in the applied magnetic field mode; when the magnitude of the internal temperature change in the right region of the frozen storage space is greater than the first set threshold, the magnetic field applied mode is activated for the right electromagnetic coil 230; If the amplitudes of the internal temperature changes in the left and right regions of the refrigerated storage space are both greater than the first set threshold, the mode of applying the magnetic field is that the electromagnetic coils on both sides are activated at the same time.
- Step S912 continuously detect the internal temperature of the storage box 240;
- Step S914 judging whether the internal temperature of the storage box 240 is lower than the second set threshold (for example, it can be set to -10-12 degrees Celsius), that is, judging whether the basic freezing stage is completed;
- the second set threshold for example, it can be set to -10-12 degrees Celsius
- Step S916 turning off the magnetic field
- Step S920 determine whether the internal temperature of the storage box 240 is lower than a third set threshold, and the third set threshold is less than the second set threshold, which can be set according to the freezer shutdown temperature set by the storage box 240, which can generally be lower. at the set freezer shutdown temperature.
- Step S922 stop refrigerating the storage box 240 and perform conventional refrigeration control on the storage box 240 according to the preset refrigeration start-up conditions and refrigeration shutdown conditions of the storage box 240, so as to maintain the refrigerated storage environment of the storage box 240;
- the magnetic field is activated according to a preset on-off strategy.
- the refrigerator 10 with the refrigerating storage device in this embodiment makes the food frozen in the magnetic field environment, and the direction and start and stop of the magnetic field are controlled in a targeted manner to preferentially inhibit the growth of ice crystal nuclei and reduce damage to cells. , to avoid the loss of juice, to ensure a better taste of the ingredients, to improve the quality of frozen storage, and to meet the user's storage quality requirements for precious ingredients.
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Abstract
Description
Claims (10)
- 一种具有冷冻储物装置的冰箱,包括:箱体,其内设置有实现冷冻储物功能的储物间室;冷冻储物装置,布置于所述储物间室内,并且包括:储物盒,其内限定有冷冻储物空间;储物检测装置,设置于所述储物盒内,并配置成检测所述冷冻储物空间内储藏物状态;多组电磁线圈,横向并列设置于所述储物盒的外侧,并配置成根据所述储藏物状态确定对应的施加磁场模式,所述施加磁场模式包括:停止生成磁场、多组所述电磁线圈中部分启动、以及多组所述电磁线圈全部启动。
- 根据权利要求1所述的具有冷冻储物装置的冰箱,其中每组所述电磁线圈包括:分别相对设置于所述储物盒顶部的第一线圈以及设置于所述储物盒底部的第二线圈,所述第一线圈和所述第二线圈串联或者并联连接。
- 根据权利要求2所述的具有冷冻储物装置的冰箱,其中所述冷冻储物装置还包括:磁性框,由磁性材料制成,套设在储物盒的外部,并配置成使所述磁场经过所述磁性框完成磁力线闭环。
- 根据权利要求3所述的具有冷冻储物装置的冰箱,其中所述磁性框的顶壁的内侧形成有沿储物盒的横向方向间隔设置的多个第一凸台,每个所述第一凸台用于布置一组所述电磁线圈的第一线圈;所述磁性框的底壁的内侧形成有与所述第一凸台相对设置的第二凸台,每个所述第二凸台用于布置一组所述电磁线圈的第二线圈。
- 根据权利要求3所述的具有冷冻储物装置的冰箱,其中所述储物盒包括:外筒,设置于所述磁性框围成的空间内,并具有前向开口;以及抽屉,可抽拉地设置在所述外筒内。
- 根据权利要求5所述的具有冷冻储物装置的冰箱,其中所述外筒的后壁上开设有进风口以及回风口,所述进风口用于连接所述冰箱的送风风道或者连通所述冰箱的蒸发器,以将制冷气流引入所述储物盒;所述回风口用于连接所述冰箱的回风风道或者连通所述冰箱的蒸发器,以将换热后的气流送回所述冰箱的回风风道或所述蒸发器。
- 根据权利要求1所述的具有冷冻储物装置的冰箱,还包括开闭检测器,其中所述开闭检测器,配置成检测所述储物盒的开闭状态;所述储物检测装置,还配置成检测所述冷冻储物空间中每组所述电磁线圈对应区域在所述储物盒被打开前以及被关闭后的内部温度变化;制冷控制器,配置成在任一组所述电磁线圈对应区域的所述的内部温度变化的幅度大于第一设定阈值的情况下启动对所述储物盒制冷;并且对应区域的所述的内部温度变化的幅度大于第一设定阈值的电磁线圈启动,以释放磁场。
- 根据权利要求7所述的具有冷冻储物装置的冰箱,其中所述电磁线圈为两组,并且在两组所述线圈同时启动的磁场模式下,两组所述电磁线圈的磁极方向设置为相反。
- 根据权利要求7所述的具有冷冻储物装置的冰箱,其中在所述电磁线圈启动之后,若其对应区域的所述的内部温度冷却至第二设定阈值后,则停止生成磁场。
- 根据权利要求9所述的具有冷冻储物装置的冰箱,其中所述制冷控制器,还配置成在多组所述电磁线圈对应区域的内部温度均冷却至第三设定阈值后,则停止对所述储物盒制冷,并按照所述储物盒预设的制冷启动条件和制冷关闭条件对所述储物盒进行常规冷冻控制,以维持所述储物盒的冷冻储物环境;所述第三设定阈值低于所述第二设定阈值。
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EP21913521.7A EP4253886A4 (en) | 2020-12-31 | 2021-11-15 | REFRIGERATOR WITH A DEVICE FOR STORING REFRIGERATED PRODUCTS |
JP2023539848A JP2024501687A (ja) | 2020-12-31 | 2021-11-15 | 冷凍収納装置を備えた冷蔵庫 |
US18/270,453 US20240060702A1 (en) | 2020-12-31 | 2021-11-15 | Refrigerator with freezing storage device |
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CN202011640498.XA CN114688800B (zh) | 2020-12-31 | 2020-12-31 | 具有冷冻储物装置的冰箱 |
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EP4253886A1 (en) | 2023-10-04 |
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