WO2018099471A1 - 冷藏冷冻设备 - Google Patents

冷藏冷冻设备 Download PDF

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Publication number
WO2018099471A1
WO2018099471A1 PCT/CN2017/114249 CN2017114249W WO2018099471A1 WO 2018099471 A1 WO2018099471 A1 WO 2018099471A1 CN 2017114249 W CN2017114249 W CN 2017114249W WO 2018099471 A1 WO2018099471 A1 WO 2018099471A1
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WO
WIPO (PCT)
Prior art keywords
oxygen
space
rich
refrigerating
fresh
Prior art date
Application number
PCT/CN2017/114249
Other languages
English (en)
French (fr)
Inventor
姜波
王磊
刘浩泉
辛若武
Original Assignee
青岛海尔股份有限公司
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 青岛海尔股份有限公司 filed Critical 青岛海尔股份有限公司
Priority to US16/466,287 priority Critical patent/US11079159B2/en
Priority to JP2019529924A priority patent/JP6912572B2/ja
Priority to ES17876416T priority patent/ES2911476T3/es
Priority to PL17876416T priority patent/PL3550230T3/pl
Priority to AU2017369113A priority patent/AU2017369113B2/en
Priority to KR1020197015710A priority patent/KR102209645B1/ko
Priority to EP17876416.3A priority patent/EP3550230B1/en
Priority to RU2019119815A priority patent/RU2721835C1/ru
Publication of WO2018099471A1 publication Critical patent/WO2018099471A1/zh

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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
    • 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
    • F25D17/045—Air flow control arrangements
    • 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
    • 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
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23B7/148—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • B01D53/228—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02—Preparation of oxygen
    • C01B13/0229—Purification or separation processes
    • C01B13/0248—Physical processing only
    • C01B13/0251—Physical processing only by making use of membranes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
    • 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
    • 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
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • 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
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • 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
    • F25D23/065—Details
    • F25D23/066—Liners
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F25D25/025—Drawers
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • B01D2053/221—Devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/12—Oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/10—Single element gases other than halogens
    • B01D2257/102—Nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/011—Oxygen
    • 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
    • F25D2317/04—Treating air flowing to refrigeration 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
    • 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
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/041—Treating air flowing to refrigeration compartments by purification
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature

Definitions

  • the present invention relates to the field of article storage, and more particularly to a refrigerating and freezing device.
  • the modified atmosphere preservation technology generally refers to a technique for prolonging the storage life of the food by adjusting the gas atmosphere (gas composition ratio or gas pressure) of the enclosed space in which the storage is stored, and the basic principle is: in a certain closed space A gas atmosphere different from the normal air component is obtained by various adjustment methods to suppress physiological and biochemical processes and microbial activities leading to spoilage of the stored matter (usually the foodstuff).
  • the modified atmosphere preservation will be specifically directed to a modified atmosphere preservation technique that adjusts the proportion of gas components.
  • normal air components include (by volume percent, hereinafter the same): about 78% nitrogen, about 21% oxygen, about 0.939% rare gases ( ⁇ , ⁇ , argon, krypton, xenon, ⁇ ), 0.031% of carbon dioxide, and 0.03% of other gases and impurities (eg, ozone, nitrogen monoxide, nitrogen dioxide, water vapor, etc.).
  • a nitrogen-rich and oxygen-poor fresh gas atmosphere is usually obtained by filling a closed space with a nitrogen-enriched gas to reduce the oxygen content, but the nitrogen-making equipment conventionally used for gas-conditioning preservation is bulky and costly.
  • the technology is basically limited to use on a variety of large professional repositories (storage capacity is generally at least 30 tons or more), not suitable for home or individual users, in addition, can not be fully promoted only by adjusting the concentration of nitrogen and oxygen gas The preservation effect of the ingredients.
  • An object of the present invention is to improve the effect of modified atmosphere preservation.
  • a further object of the present invention is to extend the shelf life of various ingredients in a refrigerating and freezing apparatus.
  • the present invention provides a refrigerating and freezing apparatus comprising: a tank body defining a storage space and a compressor compartment, wherein the storage space is provided with a storage container, and the storage container is internally defined There is fresh space; the door body is arranged on the front surface of the box to close the storage space; the oxygen-rich membrane module is arranged in the storage container and the surrounding space and the protection The fresh space is connected, the oxygen-rich membrane module has at least one oxygen-rich membrane and an oxygen-rich membrane collection chamber, and is configured such that oxygen in the space flow around the oxygen-rich membrane module passes through the oxygen-rich membrane more than the nitrogen therein.
  • An oxygen-enriched gas collecting chamber An air pump, disposed at the compressor chamber, whose inlet end communicates with the oxygen-rich gas collecting chamber of the oxygen-rich membrane module via a pipeline to pump the gas penetrating into the oxygen-rich gas collecting chamber to the reservoir Outside the container; and a refrigeration system configured to provide a cooling capacity to the storage space such that the actual temperature within the fresh space is in the range of 0 °C to 10 °C.
  • the refrigerating and freezing device further comprises: a temperature sensor disposed in the fresh space to monitor an actual temperature in the fresh space.
  • the refrigeration system includes: a compressor, a condenser, a throttle device, and an evaporator, and the compressor is disposed in the compressor chamber.
  • the case comprises: a liner defining a storage space therein.
  • the refrigerating and freezing device is a direct cooling type refrigerator, and the evaporator is disposed outside or inside the rear wall surface of the inner tank.
  • the refrigeration system is further configured to adjust the operating state of the compressor such that the actual temperature within the fresh space is in the range of 0 °C to 10 °C.
  • the refrigerating and freezing device is an air-cooled refrigerator, and an evaporator chamber for accommodating the evaporator is disposed inside the casing, and a back of the inner tank defines an air passage of the evaporator chamber to the fresh space, and a damper is disposed on the air passage to Adjust the amount of cold air sent to the fresh space.
  • the refrigeration system is further configured to adjust the operating state of the compressor and/or the opening and closing of the damper such that the actual temperature within the freshness keeping space is in the range of 0 °C to 10 °C.
  • the storage container is a sealed drawer
  • the fresh-keeping space is defined by the sealed drawer
  • the sealed drawer comprises: a drawer cylinder having a forward opening and being fixed to the inner tank, wherein the storage space is defined therein; and the drawer body, Slidably mounted within the drawer body to operatively withdraw and insert the drawer body outwardly from the forward opening of the drawer body.
  • the oxygen-rich membrane module further comprises a support frame having first and second surfaces parallel to each other, and the support frame is formed on the first surface, extending on the second surface, and extending through the support
  • the frame is configured to connect the plurality of gas flow channels of the first surface and the second surface, the plurality of gas flow channels together form an oxygen-rich gas collecting chamber, and the at least one oxygen-rich film is two planar oxygen-rich membranes respectively laid on the support frame On a surface and a second surface.
  • the refrigerating and freezing apparatus of the present invention has an oxygen-rich membrane module and an air pump, wherein a space around the oxygen-rich membrane module is in communication with a fresh-keeping space, the oxygen-rich membrane module has at least one oxygen-rich membrane and an oxygen-rich membrane collection chamber, and is configured such that The oxygen in the space flow around the oxygen-rich membrane module passes through the oxygen-rich membrane more into the oxygen-rich gas collection chamber relative to the nitrogen gas therein, and the pump can The gas penetrating into the oxygen-rich gas collecting chamber is pumped out of the storage container to realize a nitrogen-rich and oxygen-poor gas atmosphere for the preservation of the food in the fresh-keeping space, and the refrigeration system of the refrigerating and freezing device is configured to provide cold to the storage space.
  • the amount is such that the temperature in the fresh space is in the range of 0 ° C to 10 ° C, and the temperature range is combined with the nitrogen-rich and oxygen-poor gas atmosphere to suppress the respiration rate of the food in the fresh space and effectively extend the shelf life of the food.
  • the actual temperature in the fresh-keeping space is monitored by a temperature sensor provided in the fresh-keeping space, and if the actual temperature in the fresh-keeping space is not in the temperature range of 0 ° C to 10 ° C, if it is refrigerated and frozen
  • the equipment is a direct-cooling refrigerator that can adjust the operating state of the compressor. If the refrigerating and freezing equipment is an air-cooled refrigerator, the operating state of the compressor and/or the opening and closing of the damper can be adjusted to ensure that the actual temperature in the fresh-keeping space is promoted.
  • the temperature range of the modified atmosphere preservation effect, and the temperature interval can be refined according to the type of the food material, so that the actual temperature in the fresh-keeping space is more in line with the fresh-keeping demand of different kinds of food materials, and the fresh-keeping effect of the food material is further improved.
  • FIG. 1 is a schematic structural view of a refrigerating and freezing apparatus according to an embodiment of the present invention
  • FIG. 2 is a schematic partial structural view of a refrigerating and freezing apparatus according to an embodiment of the present invention
  • Figure 3 is a schematic structural view of another perspective of the structure shown in Figure 2;
  • FIG. 4 is a schematic structural view of a sealed drawer in a refrigerating and freezing apparatus according to an embodiment of the present invention
  • Figure 5 is a schematic exploded view of the sealed drawer shown in Figure 4.
  • FIG. 6 is a schematic structural view of an oxygen-rich membrane module in a refrigerating and freezing apparatus according to an embodiment of the present invention
  • Figure 7 is a schematic exploded view of the oxygen-rich membrane module of Figure 6;
  • Figure 8 is a schematic structural view of a support frame in the oxygen-rich membrane module shown in Figure 7;
  • Fig. 9 is a schematic structural view showing the support frame in the oxygen-rich membrane module shown in Fig. 7 from another angle.
  • This embodiment provides a refrigerating and freezing apparatus by using a nitrogen-rich oxygen-poor gas atmosphere and a suitable storage temperature range The combination can inhibit the respiration rate of the food in the fresh-keeping space, and effectively extend the fresh-keeping period of the food, wherein the refrigerating and freezing equipment can be a refrigerator, a freezer, and the like.
  • 1 is a schematic structural view of a refrigerating and freezing apparatus 100 according to an embodiment of the present invention
  • FIG. 2 is a schematic partial structural view of a refrigerating and freezing apparatus 100 according to an embodiment of the present invention
  • the refrigerating and freezing apparatus 100 of the present embodiment may generally include a tank 10, a door body, an oxygen-rich membrane module 31, an air pump 40, and a refrigeration system.
  • the inside of the box 10 defines a storage space 102 and a compressor compartment 103.
  • the number and structure of the storage space 102 can be configured according to requirements.
  • FIG. 1 shows the first space, the second space and the third space which are arranged one above the other; the above space can be configured as a refrigerating space and a freezing space according to the use. , variable temperature space or fresh space.
  • Each storage space can be divided into a plurality of storage areas by a partition panel, and the articles can be stored using a rack or a drawer.
  • a storage container may be disposed in the storage space 102, and a storage space is defined inside the storage container.
  • the door body is disposed on the front surface of the casing 10 to close the storage space 102.
  • the door body can be arranged corresponding to the storage space, that is, each storage space corresponds to one or more door bodies.
  • the function of the storage space and the number of doors and the storage space can be selected by the actual situation.
  • the refrigerating and freezing apparatus 100 of the present embodiment is provided with a first door body 21, a second door body 22, and a third door body 23, respectively, corresponding to the first space, the second space, and the third space which are sequentially disposed in the upper and lower directions.
  • the door body can be pivotally disposed on the front surface of the box body, and can also be opened by a drawer to realize a drawer type storage space, wherein the drawer type storage space is often provided with a metal slide rail, which can ensure the drawer is opened and closed. The effect is gentle and reduces noise.
  • the opening mode of the first space of the refrigerating and freezing apparatus 100 of the embodiment is a pivoting opening
  • the opening mode of the second space and the third space is a drawer opening.
  • the storage container may be a sealed drawer 11 defined by a sealed drawer 11 for fresh space.
  • the fresh-keeping space may also be defined by a sealed box, a sealed can, a sealed box, or the like.
  • the housing 10 can include a bladder 101 defining a storage space 102 therein.
  • 4 is a schematic view showing the structure of a sealed drawer 11 in a refrigerating and freezing apparatus 100 according to an embodiment of the present invention.
  • the sealed drawer 11 includes a drawer cylinder 12 having a forward opening and fixed to the inner casing 101, wherein a storage space is defined therein, and a drawer body 13 slidably mounted in the drawer cylinder 12.
  • the drawer body 12 is operatively drawn outwardly and inwardly from the forward opening of the drawer body 12.
  • the drawer cylinder 12 can be disposed at a lower portion of the inner casing. In other embodiments, the drawer cylinder 12 can also be disposed at a central portion or an upper portion of the inner casing.
  • the inner liner 101 and the drawer cylinder 12 may be integrally formed or may be separately molded and then mounted.
  • a plurality of air pressure balance holes may be opened in the drawer cylinder 12 to connect the storage space 102 and the fresh space.
  • Each of the air pressure balance holes may be a micro hole of a millimeter order, for example, each of the air pressure balance holes may have a diameter of 0.1 mm to 3 mm.
  • the provision of a plurality of air pressure balance holes can balance the pressure inside and outside the fresh space, and the arrangement of the plurality of air pressure balance holes does not cause the gas in the fresh space to flow to a large storage space, even if the flow is small or even negligible. It will not affect the preservation of food in the fresh space.
  • the air pressure balance hole may not be disposed on the drawer cylinder 12. Even if there is a large amount of gas in the fresh space, such as nitrogen in the fresh space, the user does not need to open the drawer body 13. Too much effort, compared to the existing vacuum storage room, it will save a lot of effort.
  • FIG. 5 is a schematic exploded view of the sealed drawer shown in Figure 4.
  • the oxygen-rich membrane module 31 is mounted to the storage container, and in the present embodiment, can be mounted to the sealed drawer, and the surrounding space thereof communicates with the fresh-keeping space.
  • the oxygen-rich membrane module 31 can be disposed on the drawer body 12, preferably on the top wall of the drawer cylinder 12.
  • a receiving cavity 121 communicating with the fresh-keeping space is disposed in the top wall of the drawer cylinder 12 to accommodate the oxygen-rich membrane module 31.
  • At least one first vent hole 122 and at least one second vent hole 123 spaced apart from the at least one first vent hole 122 are defined in a wall surface between the accommodating cavity 121 of the top wall of the drawer cylinder 12 and the fresh-keeping space, respectively
  • the accommodating chamber 121 and the fresh-keeping space are connected at different positions.
  • the first vent hole 122 and the second vent hole 123 are both small holes, and the number may be plural.
  • the inside of the top wall of the drawer body 12 has a recessed groove.
  • the oxygen-rich membrane module 31 is disposed in a recessed groove in the top wall of the drawer body 12.
  • the refrigerating and freezing apparatus 100 may further include a fan 60 disposed in the accommodating chamber 121 to prompt the gas in the fresh space to pass through at least one A venting opening 122, a receiving chamber 121 and at least one second venting opening 123 return to the fresh-keeping space.
  • the fan 60 is preferably a centrifugal fan disposed at the first venting opening 122 in the accommodating cavity 121. That is, the centrifugal fan is located above the at least one first venting opening 122, and the axis of rotation is vertically downward, and the air inlet is directed to the first venting opening 122.
  • the air outlet of the centrifugal fan can face the oxygen-rich membrane module 31.
  • the oxygen-rich membrane module 31 is disposed above the at least one second venting aperture 123 and such that each oxygen-rich membrane of the oxygen-rich membrane module 31 is parallel to the top wall of the drawer cylinder 12.
  • At least one first vent hole 122 is disposed at a front portion of the top wall, and at least one second vent hole 123 is disposed at a rear portion of the top wall. That is, the centrifugal fan is disposed at the front of the accommodating chamber 121, and the oxygen-rich membrane module 31 is disposed at the rear of the accommodating chamber 121.
  • the top wall of the drawer cylinder 12 includes a lower plate portion 124 and a cover portion 125.
  • a recess portion is formed in a partial portion of the lower plate portion 124, and the cover portion 125 is detachably covered in the recess portion to form a receiving portion.
  • the lower plate portion 124 may be integrally formed with the side wall, the bottom wall, and the rear wall of the drawer cylinder 12.
  • the oxygen-rich membrane module 31 has at least one oxygen-rich membrane and an oxygen-enriched gas collection chamber, and is configured to allow oxygen in the space flow around the oxygen-rich membrane module 31 to pass through the oxygen-rich membrane more oxygen-rich membrane into the oxygen-rich membrane. Body collection chamber.
  • the air pump 40 is disposed in the compressor chamber 103, and the inlet end thereof communicates with the oxygen-rich gas collecting chamber of the oxygen-rich membrane module 31 via the line 50 to pump the gas penetrating into the oxygen-rich gas collecting chamber to the storage container.
  • a nitrogen-rich and oxygen-poor gas atmosphere is conducive to the preservation of the food.
  • the refrigeration system is configured to provide a cooling capacity to the storage space such that the actual temperature within the fresh space is in the range of 0 °C to 10 °C.
  • the temperature range is combined with a nitrogen-rich and oxygen-poor gas atmosphere to suppress the respiration rate of the food in the fresh-keeping space and effectively extend the shelf life of the food.
  • the temperature adjustment has a great effect on prolonging the shelf life of the food.
  • a certain food material is grouped into a fresh space with the same gas atmosphere and different temperature, and the gas in the fresh space is sampled and analyzed every day. As the temperature increases, the rate of oxygen content in the fresh space decreases, and the carbon dioxide content increases.
  • the suitable storage temperature range of the food is 0 ° C to 10 ° C.
  • the suitable storage temperature interval can be refined for different food materials. For example, if the vegetable food material can be 2 ° C to 8 ° C, the refrigerating temperature of the cold fresh meat food material is generally 0 ° C to 2 °C. It should be noted that the specific numerical values of the above storage temperatures are merely exemplary and are not intended to limit the invention.
  • the refrigerating and freezing apparatus 100 may further include: a temperature sensor disposed in the fresh-keeping space to monitor an actual temperature in the fresh-keeping space. When the actual temperature in the fresh space is not in the range of 0 ° C to 10 ° C, the actual temperature in the fresh space can be adjusted by adjusting the operating state of the refrigeration system.
  • the refrigeration system includes a compressor, a condenser, a throttle device, and an evaporator, and the compressor is disposed in the compressor compartment 103. If the refrigerating and freezing device is a direct-cooling type refrigerator, the evaporator is disposed outside or inside the rear wall surface of the inner casing.
  • the refrigeration system is also configured to regulate the operating state of the compressor such that the actual temperature within the fresh space is in the range of 0 °C to 10 °C.
  • the refrigerating and freezing device is an air-cooled refrigerator
  • the inside of the box is provided with an evaporator chamber for accommodating the evaporator
  • the back of the tank defines an air passage of the evaporator chamber to the fresh space
  • a damper is arranged on the air passage to adjust the direction of the delivery.
  • the amount of cold air in the fresh space is also configured to regulate the operating state of the compressor and/or the opening and closing of the damper such that the actual temperature within the fresh-keeping space is in the range of 0 °C to 10 °C.
  • the preservation space of the nitrogen-rich and oxygen-poor gas atmosphere is limited to a temperature range of 0 ° C to 10 ° C.
  • the suitable storage temperature range can effectively inhibit the respiration of the food in the fresh space and prolong The shelf life of the ingredients.
  • Figure 6 is a schematic structural view of an oxygen-rich membrane module 31 in a refrigerating and freezing apparatus 100 according to an embodiment of the present invention
  • Figure 7 is a schematic exploded view of the oxygen-rich membrane module 31 shown in Figure 6
  • FIG. 9 is a schematic structural view of the support frame 32 in the oxygen-rich membrane module 31 shown in FIG. 7 from another angle.
  • the oxygen-rich membrane module 31 includes a support frame 32, and the support frame 32 has a first surface 321 and a second surface 322 which are parallel to each other, and the support frame 32 is formed on the first surface 321 respectively.
  • the upper portion extends over the second surface 322 and extends through the support frame 32 to communicate the plurality of airflow passages 323 of the first surface 321 and the second surface 322.
  • the plurality of gas flow channels 323 together form an oxygen-rich gas collection chamber.
  • the oxygen-rich film 33 of the present embodiment is at least one, and preferably may be two planar oxygen-rich films which are respectively laid on the first surface 321 and the second surface 322 of the support frame 32.
  • the oxygen-rich membrane 33 allows oxygen in the outside air to pass through the oxygen-rich membrane 33 into the oxygen-rich gas collection chamber to form an oxygen-rich gas when the pressure inside thereof is less than the outside pressure, thereby making the outside air a nitrogen-rich gas.
  • the support frame 32 includes a bleed hole 324 that communicates with at least one of the plurality of gas flow passages 323 described above to allow the oxygen-rich gas in the oxygen-rich gas collection chamber to be withdrawn by the sump pump 40.
  • the oxygen-rich gas collection chamber is in a negative pressure state, so that oxygen in the air outside the oxygen-rich membrane module 31 continues to pass through the oxygen-rich membrane 33 to enter the oxygen-rich gas collection.
  • the outside air of the oxygen-rich membrane module 31 forms a nitrogen-rich atmosphere.
  • the plurality of airflow passages 323 formed inside the support frame 32 may be a plurality of cavities that communicate with the air suction holes 324.
  • the oxygen-rich film 33 can be pre-fixed in the mounting recess 327 of the support frame 32 with a double-sided adhesive 325, followed by the support frame 32.
  • a loop of sealant 326 is filled in the loop groove 328 to sealingly mount the oxygen-rich film 33 in the mounting recess 327 of the support frame 32.
  • the oxygen-rich membrane module utilizes different permeation rates when the components of the air pass through the oxygen-rich membrane, and the oxygen in the air preferentially passes through the oxygen-rich membrane to obtain oxygen under the pressure difference driving.
  • the hollow fiber membrane module can also be used to realize a nitrogen-rich and oxygen-poor gas atmosphere in the fresh space, and the hollow fiber membrane module utilizes different permeability of each component gas in the air to pass through the hollow fiber membrane due to The oxygen molecule is smaller than the nitrogen molecule, and the oxygen molecule preferentially passes through the hollow fiber membrane to obtain oxygen.
  • the air pump 40 of the present embodiment may be disposed at one end of the compressor chamber 103, and the compressor may be disposed at the other end of the compressor chamber 103 such that the distance of the air pump 40 from the compressor is relatively long, reducing noise superposition and waste heat superposition.
  • the air pump 40 may be disposed at one end of the compressor bed 103 adjacent to the pivoting side of the door body.
  • the air pump 40 may be disposed at either end of the compressor bed 103.
  • the air pump 40 is disposed adjacent to the compressor, and the air pump 40 is disposed at one end of the compressor block 103 and between the compressor and the sidewall of the compressor block 103.
  • the air pump 40 is disposed in the compressor chamber 103, and can fully utilize the space of the compressor chamber 103 without occupying other places, so that the extra volume of the refrigerating and freezing device is not increased, and the structure of the refrigerating and freezing device can be made compact.
  • the refrigerating and freezing apparatus 100 of the present embodiment has an oxygen-rich membrane module 31 and an air pump 40, wherein a space around the oxygen-rich membrane module 31 is in communication with a fresh-keeping space, and the oxygen-rich membrane module 31 has at least one oxygen-rich membrane and an oxygen-rich membrane.
  • the gas is pumped out of the storage container to realize a nitrogen-rich and oxygen-poor gas atmosphere for the preservation of the food in the fresh-keeping space, and the refrigeration system of the refrigerating and freezing device is configured to provide a cooling capacity to the storage space so as to be in the fresh-keeping space.
  • the temperature is in the range of 0 ° C to 10 ° C. This temperature range is combined with the nitrogen-rich and oxygen-poor gas atmosphere to suppress the respiration rate of the food in the fresh space and effectively extend the shelf life of the food.
  • the refrigerating and freezing apparatus 100 of the present embodiment monitors the actual temperature in the fresh-keeping space through a temperature sensor provided in the fresh-keeping space, and if the actual temperature in the fresh-keeping space is not in the temperature range of 0° C. to 10° C.,
  • the refrigerating and freezing equipment is a direct-cooling refrigerator that can adjust the operating state of the compressor. If the refrigerating and freezing equipment is an air-cooled refrigerator, the operating state of the compressor and/or the opening and closing of the damper can be adjusted to ensure the actual temperature in the fresh-keeping space.

Abstract

提供一种冷藏冷冻设备（100），包括箱体（10）、门体（21、22、23）、富氧膜组件（31）、抽气泵（40）以及制冷系统。提供的冷藏冷冻设备（100）将适宜的存储温度范围与富氮贫氧的气体氛围结合，可以有效延长食材的保鲜期。

Description

冷藏冷冻设备
本申请要求了申请日为2016年12月02日，申请号为CN201611110820.1，发明名称为“冷藏冷冻设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及物品存储领域，特别是涉及一种冷藏冷冻设备。
背景技术
随着社会发展和人们生活水平日益提高，以及人们的生活节奏越来越快，人们经常会购买大量的物品放置在各类冷藏冷冻设备中，但是对于叶类蔬菜以及瓜果类食材，冷藏冷冻设备的储物空间内的低温不仅会使这些食物的表皮出现起皱和斑痕的现象，还会影响它们原有的味道和营养。
气调保鲜技术一般性地是指通过调节储存物所处封闭空间的气体氛围(气体成分比例或气体压力)的方式来来延长食材贮藏寿命的技术，其基本原理为：在一定的封闭空间内，通过各种调节方式得到不同于正常空气成分的气体氛围，以抑制导致储存物(通常为食材)腐败变质的生理生化过程及微生物的活动。特别地，在本申请中，所讨论的气调保鲜将专门针对于对气体成分比例进行调节的气调保鲜技术。
本领域技术人员均知晓，正常空气成分包括(按体积百分比计，下文同)：约78％的氮气，约21％的氧气，约0.939％的稀有气体(氦、氖、氩、氪、氙、氡)、0.031％的二氧化碳，以及0.03％的其他气体和杂质(例如，臭氧、一氧化氮、二氧化氮、水蒸气等)。在气调保鲜领域，通常采用向封闭空间充入富氮气体来降低氧气含量的方式来获得富氮贫氧的保鲜气体氛围，但是传统上用于气调保鲜的制氮设备体积庞大、成本高昂，导致该技术基本上还是局限于使用在各种大型的专业贮藏库上(储藏容量一般至少30吨以上)，并不适用于家庭或个人用户，此外，仅通过调节氮氧气体浓度不能充分促进食材的保鲜效果。
发明内容
本发明的一个目的是提高气调保鲜的效果。
本发明一个进一步的目的是要延长冷藏冷冻设备内各类食材的保鲜期。
特别地，本发明提供了一种冷藏冷冻设备，该冷藏冷冻设备包括：箱体，箱体内限定有储物空间和压缩机仓，储物空间内设置有储物容器，且储物容器内部限定有保鲜空间；门体，设置于箱体的前表面，以供关闭储物空间；富氧膜组件，设置于储物容器且其周围空间与保 鲜空间连通，富氧膜组件具有至少一个富氧膜和一富氧膜收集腔，并配置成使得富氧膜组件周围空间气流中的氧气相对于其中的氮气更多地透过富氧膜进入富氧气体收集腔；抽气泵，设置于压缩机仓，其进口端经由管路与富氧膜组件的富氧气体收集腔连通，以将透入富氧气体收集腔内的气体抽排到储物容器外；以及制冷系统，配置成向储物空间提供冷量，以使保鲜空间内的实际温度处于0℃至10℃的范围。
可选地，该冷藏冷冻设备还包括：温度传感器，设置于保鲜空间内，以监测保鲜空间内的实际温度。
可选地，制冷系统包括：压缩机、冷凝器、节流装置和蒸发器，压缩机设置于压缩机仓。
可选地，箱体包括：内胆，其内限定有储物空间。
可选地，冷藏冷冻设备为直冷式冰箱，蒸发器设置于内胆的后壁面外侧或内侧。
可选地，制冷系统还配置成调节压缩机的运行状态，以使保鲜空间内的实际温度处于0℃至10℃的范围。
可选地，冷藏冷冻设备为风冷式冰箱，箱体内部设置有容置蒸发器的蒸发器室，内胆的背部限定有蒸发器室至保鲜空间的风道，风道上设置有风门，以调节送向保鲜空间的冷风风量。
可选地，制冷系统还配置成调节压缩机的运行状态和/或风门的开闭，以使保鲜空间内的实际温度处于0℃至10℃的范围。
可选地，储物容器为密封抽屉，由密封抽屉限定出保鲜空间，并且密封抽屉包括：抽屉筒体，具有前向开口，且固定于内胆，其内限定有保鲜空间；以及抽屉本体，可滑动地安装于抽屉筒体内，以从抽屉筒体的前向开口可操作地向外抽出和向内插入抽屉筒体。
可选地，富氧膜组件还包括支撑框架，其具有相互平行的第一表面和第二表面，且支撑框架上形成有分别在第一表面上延伸、在第二表面上延伸，以及贯穿支撑框架以连通第一表面与第二表面的多个气流通道，多个气流通道共同形成富氧气体收集腔，并且至少一个富氧膜为两个平面形富氧膜，分别铺设在支撑框架的第一表面和第二表面上。
本发明的冷藏冷冻设备，具有富氧膜组件和抽气泵，其中富氧膜组件周围空间与保鲜空间连通，富氧膜组件具有至少一个富氧膜和一富氧膜收集腔，并配置成使得富氧膜组件周围空间气流中的氧气相对于其中的氮气更多地透过富氧膜进入富氧气体收集腔，抽气泵可以将 透入富氧气体收集腔内的气体抽排到储物容器外，以使保鲜空间内实现富氮贫氧的利于食材保鲜的气体氛围，冷藏冷冻设备的制冷系统配置成向储物空间提供冷量，以使保鲜空间内的温度处于0℃至10℃的范围，该温度范围与富氮贫氧的气体氛围结合，可以抑制保鲜空间中食材的呼吸速率，有效延长食材的保鲜期。
进一步地，本发明的冷藏冷冻设备，通过保鲜空间内设置的温度传感器监测保鲜空间内的实际温度，在保鲜空间内的实际温度不处于0℃至10℃的温度范围的情况下，若冷藏冷冻设备是直冷式冰箱，可以调节压缩机的运行状态，若冷藏冷冻设备为风冷式冰箱，可以调节压缩机的运行状态和/或风门的开闭，以保证保鲜空间内的实际温度处于促进气调保鲜效果的温度区间，并可以根据食材的种类不同对温度区间进行细化，使得保鲜空间内的实际温度更加符合不同种类食材的保鲜需求，进一步提升食材的保鲜效果。
根据下文结合附图对本发明具体实施例的详细描述，本领域技术人员将会更加明了本发明的上述以及其他目的、优点和特征。
附图说明
后文将参照附图以示例性而非限制性的方式详细描述本发明的一些具体实施例。附图中相同的附图标记标示了相同或类似的部件或部分。本领域技术人员应该理解，这些附图未必是按比例绘制的。附图中：
图1是根据本发明一个实施例的冷藏冷冻设备的示意性结构图；
图2是根据本发明一个实施例的冷藏冷冻设备的示意性局部结构图；
图3是图2所示结构的另一视角的示意性结构图；
图4是根据本发明一个实施例的冷藏冷冻设备中密封抽屉的结构示意图；
图5是图4所示的密封抽屉的示意性分解图；
图6是根据本发明一个实施例的冷藏冷冻设备中富氧膜组件的示意性结构图；
图7是图6所示富氧膜组件的示意性分解图；
图8是图7所示富氧膜组件中支撑框架的示意性结构图；以及
图9是从另一角度观察图7所示富氧膜组件中支撑框架的示意性结构图。
具体实施方式
本实施例提供了一种冷藏冷冻设备，通过将富氮贫氧的气体氛围与适宜的存储温度范围 相结合，可以抑制保鲜空间中食材的呼吸速率，有效延长食材的保鲜期，其中冷藏冷冻设备可以是冰箱、冰柜等。图1是根据本发明一个实施例的冷藏冷冻设备100的示意性结构图；图2是根据本发明一个实施例的冷藏冷冻设备100的示意性局部结构图；图3是图2所示结构的另一视角的示意性结构图。本实施例的冷藏冷冻设备100一般性地可以包括：箱体10、门体、富氧膜组件31、抽气泵40以及制冷系统。
其中，箱体10内部限定有储物空间102和压缩机仓103。储物空间102的数量以及结构可以根据需求进行配置，图1示出了上下依次设置的第一空间、第二空间和第三空间的情况；以上空间按照用途不同可以配置为冷藏空间、冷冻空间、变温空间或者保鲜空间。各个储物空间可以由分隔板分割为多个储物区域，利用搁物架或者抽屉储存物品。储物空间102内可以设置有储物容器，且储物容器内部限定有保鲜空间。
门体设置于箱体10的前表面，以供封闭储物空间102。门体可以与储物空间对应设置，即每一个储物空间都对应有一个或多个门体。而储物空间及门体的数量、储物空间的功能可由具体情况实际选择。本实施例的冷藏冷冻设备100对应上下依次设置的第一空间、第二空间、第三空间，分别设置有第一门体21、第二门体22、第三门体23。门体可以枢转地设置于箱体前表面，还可以采用抽屉式开启，以实现抽屉式的储物空间，其中抽屉式的储物空间往往设置有金属滑轨，可以保证抽屉开启关闭过程中效果轻柔，并可以减少噪音。本实施例的冷藏冷冻设备100的第一空间的开门方式为枢转式开启，第二空间和第三空间的开门方式为抽屉式开启。
如图2所示，储物容器可以为密封抽屉11，由密封抽屉11限定出保鲜空间。在一些可选的实施例中，上述保鲜空间也可以由密封盒、密封罐、密封箱等限定出。
如图3所示，箱体10可以包括内胆101，其内限定出储物空间102。图4是根据本发明一个实施例的冷藏冷冻设备100中密封抽屉11的结构示意图。如图4所示，密封抽屉11包括：抽屉筒体12，具有前向开口，且固定于内胆101，其内限定有保鲜空间；以及抽屉本体13，可滑动地安装于抽屉筒体12内，以从抽屉筒体12的前向开口可操作地向外抽出和向内插入抽屉筒体12。抽屉筒体12可设置于内胆的下部，在其他一些实施例中，抽屉筒体12也可设置于内胆的中部或上部。在该实施例中，内胆101和抽屉筒体12可一体成型，也可单独成型然后再进行安装。
抽屉筒体12上可开设有多个气压平衡孔，以连通储物空间102和保鲜空间。每个气压平衡孔可为毫米级的微孔，例如每个气压平衡孔的直径可以为0.1mm至3mm。设置多个气压平衡孔可以平衡保鲜空间内外的压力，多个气压平衡孔的设置也不会使保鲜空间内的气体向大的储物空间流动，即使流动也是很小甚至是可忽略不计的，不会影响保鲜空间内食物的保存。在另外一些实施例中，抽屉筒体12上也可不设置气压平衡孔，即使这样，保鲜空间内还具有大量的气体存在，例如保鲜空间中的氮气，用户在拉开抽屉本体13时，也不用太费力气，相比于现有的真空储物室，则会大大省力。
图5是图4所示的密封抽屉的示意性分解图。富氧膜组件31安装于储物容器，在本实施例中，可以安装于密封抽屉，且其周围空间与保鲜空间连通。如图5所示，富氧膜组件31可设置于抽屉筒体12上，优选地设置于抽屉筒体12的顶壁。具体地，抽屉筒体12的顶壁内设置有与保鲜空间连通的容纳腔121，以容置富氧膜组件31。抽屉筒体12的顶壁的容纳腔121与保鲜空间之间的壁面中开设有至少一个第一通气孔122和与至少一个第一通气孔122间隔开的至少一个第二通气孔123，以分别在不同位置连通容纳腔121与保鲜空间。第一通气孔122和第二通气孔123均为小孔，且数量均可为多个。在一些替代性实施例中，抽屉筒体12的顶壁内侧具有凹陷槽。富氧膜组件31设置于抽屉筒体12的顶壁的凹陷槽内。
在本发明的一些实施例中，为了促使保鲜空间与容纳腔121内的气体流动，冷藏冷冻设备100还可包括风机60，设置在容纳腔121内，以促使保鲜空间的气体依次经由至少一个第一通气孔122、容纳腔121和至少一个第二通气孔123返回保鲜空间。风机60优选为离心风机，设置于容纳腔121内第一通气孔122处。也就是说，离心风机位于至少一个第一通气孔122的上方，且旋转轴线竖直向下，进风口正对于第一通气孔122。离心风机的出气口可朝向富氧膜组件31。富氧膜组件31设置于至少一个第二通气孔123的上方且使得富氧膜组件31的每个富氧膜平行于抽屉筒体12的顶壁。至少一个第一通气孔122设置于顶壁前部，至少一个第二通气孔123设置于顶壁后部。即，离心风机设置于容纳腔121的前部，富氧膜组件31设置于容纳腔121的后部。
进一步地，抽屉筒体12的顶壁包括下板部124和盖板部125，下板部124的一局部区域中形成凹陷部，盖板部125可拆卸地盖设于凹陷部，以形成容纳腔121。为了便于抽屉筒体12的制作，下板部124可与抽屉筒体12的侧壁、底壁、后壁一体成型。
富氧膜组件31具有至少一个富氧膜和一个富氧气体收集腔，并配置成使富氧膜组件31周围空间气流中的氧气相对于其中的氮气更多地透过富氧膜进入富氧气体收集腔。
抽气泵40，设置于压缩机仓103，其进口端经由管路50与富氧膜组件31的富氧气体收集腔连通，以将透入富氧气体收集腔内的气体抽排到储物容器外，以在保鲜空间内获得富氮贫氧的利于食材保存的气体氛围。
制冷系统，配置成向储物空间提供冷量，以使保鲜空间内的实际温度处于0℃至10℃的范围。该温度范围与富氮贫氧的气体氛围结合，可以抑制保鲜空间中食材的呼吸速率，有效延长食材的保鲜期。
发明人经过多次实验发现，温度对食材的呼吸作用有显著的影响，在保鲜空间内，完成富氮贫氧的气体氛围调节之后，温度的调节对延长食材的保鲜期具有很大作用。例如将某种食材分组放入气体氛围相同、温度不同的保鲜空间，每天对保鲜空间内的气体进行取样分析，随着温度升高，保鲜空间内氧气含量下降的速率越快，二氧化碳含量升高的速率也越快，即随着温度升高，食材的呼吸速率加快，低温可以有效抑制食材的呼吸作用，并且，在富氮贫氧的气体氛围下，食材的适宜存储温度范围为0℃至10℃。在一种优选的实施例中，针对不同的食材可以将该适宜存储温度区间进行细化，例如果蔬类食材可以为2℃至8℃，冷鲜肉类食材的冷藏温度一般为0℃至2℃。需要说明的是，以上储存温度的具体数值仅为例举，而并非对本发明的限定。
冷藏冷冻设备100还可以包括：温度传感器，设置于保鲜空间内，以监测保鲜空间内的实际温度。在保鲜空间内的实际温度不处于0℃至10℃的范围时，可以通过调节制冷系统的运行状态来调节保鲜空间内的实际温度。
具体地，制冷系统包括：压缩机、冷凝器、节流装置和蒸发器，压缩机设置于压缩机仓103。若冷藏冷冻设备为直冷式冰箱，蒸发器设置于内胆的后壁面外侧或内侧。制冷系统还配置成调节压缩机的运行状态，以使保鲜空间内的实际温度处于0℃至10℃的范围。若冷藏冷冻设备为风冷式冰箱，箱体内部设置有容置蒸发器的蒸发器室，内胆的背部限定有蒸发器室至保鲜空间的风道，风道上设置有风门，以调节送向保鲜空间的冷风风量。制冷系统还配置成调节压缩机的运行状态和/或风门的开闭，以使保鲜空间内的实际温度处于0℃至10℃的范围。仅仅调节保鲜空间内的氮氧比例，使其达到富氮贫氧的气体氛围，并不能够充分满 足食材的保鲜需求，本实施例对具备富氮贫氧的气体氛围的保鲜空间限定有0℃至10℃的温度范围，该适宜的存储温度范围可以有效抑制保鲜空间内食材的呼吸作用，延长食材的保鲜期。
图6是根据本发明一个实施例的冷藏冷冻设备100中富氧膜组件31的示意性结构图；图7是图6所示富氧膜组件31的示意性分解图；图8是图7所示富氧膜组件31中支撑框架32的示意性结构图；以及图9是从另一角度观察图7所示富氧膜组件31中支撑框架32的示意性结构图。
如图6至图9所示，富氧膜组件31包括支撑框架32，且支撑框架32具有相互平行的第一表面321和第二表面322，且支撑框架32上形成有分别在第一表面321上延伸、在第二表面322上延伸，以及贯穿支撑框架32以连通第一表面321和第二表面322的多个气流通道323。多个气流通道323共同形成富氧气体收集腔。本实施例的富氧膜33至少为一个，优选地，可以为两个平面形富氧膜，分别铺设在支撑框架32的第一表面321和第二表面322上。富氧膜33可以在其内侧压力小于外侧压力时，允许其外侧空气中的氧气透过富氧膜33进入富氧气体收集腔中形成富氧气体，从而使其外侧空气成为富氮气体。
在一些实施例中，支撑框架32包括与前述多个气流通道323中的至少一个连通的抽气孔324，以允许富氧气体收集腔中的富氧气体被抽气泵40抽出。随着富氧气体收集腔中的富氧气体被抽出，富氧气体收集腔中处于负压状态，因此富氧膜组件31外侧空气中的氧气会持续透过富氧膜33进入富氧气体收集腔中，从而使富氧膜组件31外侧空气形成富氮气氛。在一些实施例中，支撑框架32内部形成的前述多个气流通道323可以为多个与抽气孔324连通的空腔。
在一些实施例中，参见图7和图8，为了进一步方便安装，可先用一圈双面胶325将富氧膜33预固定在支撑框架32的安装凹槽327中，之后在支撑框架32的环线槽328中填充一圈密封胶326，以将富氧膜33密封地安装在支撑框架32的安装凹槽327中。
富氧膜组件利用空气中各组分气体透过富氧膜时的渗透速率不同，在压力差驱动下，使空气中氧气优先通过富氧膜而得到氧气。在其他一些实施例中，还可以采用中空纤维膜组件在保鲜空间内实现富氮贫氧的气体氛围，中空纤维膜组件利用空气中各组分气体透过中空纤维膜的透过率不同，由于氧分子小于氮分子，氧分子会优先透过中空纤维膜而得到氧气。
本实施例的抽气泵40可以设置于压缩机仓103的一端，压缩机可设置于压缩机仓103的另一端，以使抽气泵40距离压缩机的距离比较远，减少噪音叠加和废热叠加。例如，抽气泵40可设置于压缩机仓103的临近门体枢转侧的一端。当冷藏冷冻设备为对开门冰箱时，抽气泵40可设置于压缩机仓103的任意一端。在本发明的另一些实施例中，抽气泵40临近压缩机设置，抽气泵40设置于压缩机仓103的一端，且处于压缩机和压缩机仓103的侧壁之间。抽气泵40设置于压缩机仓103内，可充分利用压缩机仓103空间，不额外占用其他地方，因此不会增大冷藏冷冻设备的额外体积，可使冷藏冷冻设备的结构紧凑。
本实施例的冷藏冷冻设备100，具有富氧膜组件31和抽气泵40，其中富氧膜组件31周围空间与保鲜空间连通，富氧膜组件31具有至少一个富氧膜和一富氧膜收集腔，并配置成使得富氧膜组件31周围空间气流中的氧气相对于其中的氮气更多地透过富氧膜进入富氧气体收集腔，抽气泵40可以将透入富氧气体收集腔内的气体抽排到储物容器外，以使保鲜空间内实现富氮贫氧的利于食材保鲜的气体氛围，冷藏冷冻设备的制冷系统配置成向储物空间提供冷量，以使保鲜空间内的温度处于0℃至10℃的范围，该温度范围与富氮贫氧的气体氛围结合，可以抑制保鲜空间中食材的呼吸速率，有效延长食材的保鲜期。
进一步地，本实施例的冷藏冷冻设备100，通过保鲜空间内设置的温度传感器监测保鲜空间内的实际温度，在保鲜空间内的实际温度不处于0℃至10℃的温度范围的情况下，若冷藏冷冻设备是直冷式冰箱，可以调节压缩机的运行状态，若冷藏冷冻设备为风冷式冰箱，可以调节压缩机的运行状态和/或风门的开闭，以保证保鲜空间内的实际温度处于促进气调保鲜效果的温度区间，并可以根据食材的种类不同对温度区间进行细化，使得保鲜空间内的实际温度更加符合不同种类食材的保鲜需求，进一步提升食材的保鲜效果。
至此，本领域技术人员应认识到，虽然本文已详尽示出和描述了本发明的多个示例性实施例，但是，在不脱离本发明精神和范围的情况下，仍可根据本发明公开的内容直接确定或推导出符合本发明原理的许多其他变型或修改。因此，本发明的范围应被理解和认定为覆盖了所有这些其他变型或修改。

Claims (10)

  1. 一种冷藏冷冻设备，包括：
    箱体，所述箱体内限定有储物空间和压缩机仓，所述储物空间内设置有储物容器，且所述储物容器内部限定有保鲜空间；
    门体，设置于所述箱体的前表面，以供关闭所述储物空间；
    富氧膜组件，设置于所述储物容器且其周围空间与所述保鲜空间连通，所述富氧膜组件具有至少一个富氧膜和一富氧膜收集腔，并配置成使得所述富氧膜组件周围空间气流中的氧气相对于其中的氮气更多地透过所述富氧膜进入所述富氧气体收集腔；
    抽气泵，设置于所述压缩机仓，其进口端经由管路与所述富氧膜组件的所述富氧气体收集腔连通，以将透入所述富氧气体收集腔内的气体抽排到所述储物容器外；以及
    制冷系统，配置成向所述储物空间提供冷量，以使所述保鲜空间内的实际温度处于0℃至10℃的范围。
  2. 根据权利要求1所述的冷藏冷冻设备，其特征在于，所述冷藏冷冻设备还包括：
    温度传感器，设置于所述保鲜空间内，以监测所述保鲜空间内的实际温度。
  3. 根据权利要求1所述的冷藏冷冻设备，其特征在于，所述制冷系统包括：
    压缩机、冷凝器、节流装置和蒸发器，所述压缩机设置于所述压缩机仓。
  4. 根据权利要求3所述的冷藏冷冻设备，其特征在于，所述箱体包括：
    内胆，其内限定有所述储物空间。
  5. 根据权利要求4所述的冷藏冷冻设备，其特征在于，
    所述冷藏冷冻设备为直冷式冰箱，所述蒸发器设置于所述内胆的后壁面外侧或内侧。
  6. 根据权利要求5所述的冷藏冷冻设备，其特征在于，
    所述制冷系统还配置成调节所述压缩机的运行状态，以使所述保鲜空间内的实际温度处于0℃至10℃的范围。
  7. 根据权利要求4所述的冷藏冷冻设备，其特征在于，
    所述冷藏冷冻设备为风冷式冰箱，所述箱体内部设置有容置所述蒸发器的蒸发器室，所述内胆的背部限定有所述蒸发器室至所述保鲜空间的风道，所述风道上设置有风门，以调节送向所述保鲜空间的冷风风量。
  8. 根据权利要求7所述的冷藏冷冻设备，其特征在于，
    所述制冷系统还配置成调节所述压缩机的运行状态和/或所述风门的开闭，以使所述保鲜空间内的实际温度处于0℃至10℃的范围。
  9. 根据权利要求4所述的冷藏冷冻设备，其特征在于，
    所述储物容器为密封抽屉，由所述密封抽屉限定出所述保鲜空间，并且
    所述密封抽屉包括：抽屉筒体，具有前向开口，且固定于所述内胆，其内限定有所述保鲜空间；以及抽屉本体，可滑动地安装于所述抽屉筒体内，以从所述抽屉筒体的前向开口可操作地向外抽出和向内插入所述抽屉筒体。
  10. 根据权利要求1所述的冷藏冷冻设备，其特征在于，
    所述富氧膜组件还包括支撑框架，其具有相互平行的第一表面和第二表面，且所述支撑框架上形成有分别在所述第一表面上延伸、在所述第二表面上延伸，以及贯穿所述支撑框架以连通所述第一表面与第二表面的多个气流通道，所述多个气流通道共同形成所述富氧气体收集腔，并且
    所述至少一个富氧膜为两个平面形富氧膜，分别铺设在所述支撑框架的第一表面和第二表面上。
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