WO2018099476A1 - 气调保鲜储物装置 - Google Patents

气调保鲜储物装置 Download PDF

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Publication number
WO2018099476A1
WO2018099476A1 PCT/CN2017/114266 CN2017114266W WO2018099476A1 WO 2018099476 A1 WO2018099476 A1 WO 2018099476A1 CN 2017114266 W CN2017114266 W CN 2017114266W WO 2018099476 A1 WO2018099476 A1 WO 2018099476A1
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WO
WIPO (PCT)
Prior art keywords
oxygen
storage space
gas
air
rich
Prior art date
Application number
PCT/CN2017/114266
Other languages
English (en)
French (fr)
Inventor
朱小兵
姜波
王磊
张�浩
王铭
费斌
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 RU2019116849A priority Critical patent/RU2722096C1/ru
Priority to ES17876475T priority patent/ES2898054T3/es
Priority to US16/466,296 priority patent/US11150007B2/en
Priority to KR1020197015712A priority patent/KR102209649B1/ko
Priority to JP2019529895A priority patent/JP6817438B2/ja
Priority to AU2017369118A priority patent/AU2017369118B2/en
Priority to PL17876475T priority patent/PL3550227T3/pl
Priority to NZ753838A priority patent/NZ753838B2/en
Priority to EP17876475.9A priority patent/EP3550227B1/en
Publication of WO2018099476A1 publication Critical patent/WO2018099476A1/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
    • 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
    • F25D17/047—Pressure equalising 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/06—Flat membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/06—Flat membranes
    • B01D69/061—Membrane bags or membrane cushions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • B01D69/1071—Woven, non-woven or net mesh
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02—Internal fittings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • 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
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • 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
    • 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
    • B01D2053/222—Devices with plates
    • 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
    • B01D2256/10—Nitrogen
    • 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
    • B01D2257/104—Oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4525—Gas separation or purification devices adapted for specific applications for storage and dispensing systems
    • 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
    • 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
    • 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

Definitions

  • the invention relates to the field of product preservation technology, in particular to a modified atmosphere storage device.
  • the refrigerator is a kind of refrigeration equipment that maintains a constant low temperature, and is also a civilian product that keeps food or other items at a constant low temperature and cold state.
  • the vacuum preservation methods that are often used are vacuum bag preservation and vacuum storage space preservation.
  • Vacuum bags are used for fresh-keeping, consumers need to carry out vacuuming operations every time they store food, which is troublesome and cannot be enjoyed by consumers.
  • Vacuum storage space preservation because the box body is a rigid structure, to maintain the vacuum state, the vacuum system is very demanding, the sealing performance of the refrigerator is very high, and every new item is put in, the new air is poured in. More, the consumption of energy is greater. Moreover, in a vacuum environment, it is difficult to receive cold food, which is particularly unfavorable for food storage. In addition, due to the vacuum environment, it takes a lot of effort for the user to open the refrigerator door every time, which causes inconvenience to the user. Although some refrigerators can ventilate the vacuum storage space through the vacuum system, this will cause the user to wait for a long time and has poor aging. The long vacuum time will also cause serious deformation of the refrigerator cabinet, that is, the existing refrigerator with vacuum structure can not complete the vacuum preservation well, and the strength of the box body is large, the requirements are high, and the cost is high. .
  • the present invention is directed to overcoming at least one of the deficiencies of prior fresh-keeping devices, and provides a modified atmosphere storage device that creatively proposes extracting oxygen from the air in a space from the space to obtain nitrogen-rich gas in the space.
  • Oxygen depleted to promote the food atmosphere of the food preservation.
  • the gas atmosphere reduces the oxygen content of the fruits and vegetables, reduces the aerobic respiration of fruits and vegetables, and ensures the basic respiration, preventing anaerobic respiration of fruits and vegetables, thereby achieving long-term preservation of fruits and vegetables. the goal of.
  • the present invention provides a modified atmosphere storage device comprising:
  • An oxygen removal device configured to extract some or all of the oxygen in the air in the first storage space from the first storage space to obtain nitrogen-rich oxygen in the first storage space to facilitate food Preserved gas atmosphere.
  • the oxygen removal device comprises:
  • a gas regulating membrane module having at least one gas regulating membrane and an oxygen-rich gas collecting chamber, and a surrounding space thereof is in communication with the first storage space, configured such that oxygen in the space flow around the gas regulating membrane module is relatively Nitrogen gas in the space airflow around the gas regulating membrane module passes through the gas regulating membrane to enter the oxygen-rich gas collecting chamber;
  • An air suction device the inlet end of the air suction device is in communication with the oxygen-rich gas collection chamber via a pipeline to pump gas permeating into the oxygen-rich gas collection chamber to the outside of the casing.
  • the box body is provided with a plurality of air pressure balance holes, and the first storage space and the outer space of the box body are connected via a plurality of the air pressure balance holes.
  • the gas regulating membrane module is a flat type oxygen-rich membrane module, and each of the gas regulating membranes is an oxygen-rich membrane.
  • the flat type oxygen-rich membrane module further comprises a support frame having first and second surfaces parallel to each other, and the support frame is formed with an extension on the first surface, respectively Extending on the second surface, and a plurality of gas flow passages penetrating the support frame to communicate the first surface and the second surface, the plurality of gas flow channels collectively forming the oxygen-rich gas collection chamber;
  • At least one of the oxygen-rich membranes is two planar oxygen-rich membranes laid on the first and second surfaces of the support frame, respectively.
  • the modified atmosphere storage device further includes a drawer slidably mounted to the first storage space for operatively withdrawing and outwardly from a forward opening of the first storage space The first storage space is inserted therein.
  • the modified atmosphere storage device further includes a refrigeration system configured to provide a cooling amount to the first storage space.
  • the modified atmosphere storage device further includes a box body defining a second storage space; the box body is installed in the second storage space.
  • a receiving cavity communicating with the first storage space is disposed in a top wall of the casing; the air conditioning membrane assembly is disposed in the receiving cavity.
  • At least one first vent hole and at least one spaced apart from the at least one first vent hole are defined in a wall surface between the accommodating cavity of the top wall and the first storage space.
  • a second vent hole for respectively connecting the accommodating cavity and the first storage space at different positions;
  • the modified atmosphere storage device further includes a fan disposed in the accommodating cavity to urge the gas in the first storage space to sequentially pass through the at least one first vent hole, the accommodating cavity, and the at least A second vent is returned to the first storage space.
  • the modified atmosphere storage device of the present invention has an oxygen removal device capable of extracting oxygen in the first storage space, so that a nitrogen-rich oxygen-poor atmosphere can be formed in the first storage space to facilitate food preservation.
  • Gas atmosphere by reducing fruit The content of oxygen in the vegetable preservation space reduces the intensity of aerobic respiration of fruits and vegetables, while ensuring the basic respiration, preventing anaerobic respiration of fruits and vegetables, thereby achieving the purpose of long-term preservation of fruits and vegetables.
  • the modified atmosphere storage device not only has a good fresh-keeping effect, but also has low rigidity and strength requirements for the box body, and the implementation requirement is low, and the cost is also low.
  • the inventors have found that the nitrogen-consuming equipment conventionally used for gas-conditioning preservation is bulky and costly, and the technology is basically limited to use in various large-scale professional storages (the storage capacity is generally at least 30 tons). the above). It can be said that the appropriate gas regulation technology and corresponding equipment can economically reduce and quiet the air-conditioning system, making it suitable for home or individual users. It is a constant desire of technicians in the field of atmosphere preservation and preservation. A technical problem that can be successfully solved.
  • the oxygen removal device comprises a gas regulating membrane module and an air extraction device, which solves the above-mentioned technical problems that the technicians in the field of modified atmosphere preservation have been eager to solve but have not been successfully solved.
  • the modified atmosphere storage device is not only small in size but also low in noise, and is especially suitable for families and individuals.
  • the modified atmosphere storage device of the present invention may be a refrigerator having a cooling function or a stationary storage device or a portable storage device having no refrigeration function.
  • FIG. 1 is a schematic structural view of a modified atmosphere storage device according to an embodiment of the present invention.
  • FIG. 2 is a schematic partial structural view of a modified atmosphere storage device according to another 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 partial structural view of a modified atmosphere storage device according to an embodiment of the present invention.
  • Figure 5 is a schematic exploded view of the structure shown in Figure 4.
  • Figure 6 is a schematic exploded view of a gas regulating membrane module in a modified atmosphere storage device in accordance with one embodiment of the present invention.
  • FIG. 1 is a schematic structural view of a modified atmosphere storage device according to an embodiment of the present invention.
  • an embodiment of the present invention provides a modified atmosphere storage device, which may include a casing 20 and an oxygen removal device.
  • a first storage space 21 is defined in the casing 20.
  • the first storage space 21 is a closed space or an approximately confined space.
  • the modified atmosphere storage device further includes a door body that opens or closes the first storage space 21, and is rotatably mounted to the casing 20.
  • the modified atmosphere storage device further includes a drawer 28 slidably mounted to the first storage space 21 for operatively withdrawing outwardly from the forward opening of the first storage space 21 and The first storage space 21 is inserted inward.
  • the drawer 28 can have a drawer end cap that can cooperate with the opening of the first storage space 21 for closing and opening of the first storage space 21.
  • the oxygen removing device is configured to extract part or all of the oxygen in the air in the first storage space 21 from the first storage space 21 to obtain a nitrogen-rich and oxygen-poor gas in the first storage space 21 to facilitate food preservation. . That is, the oxygen removing device extracts some or all of the oxygen in the first storage space by using the gas extracted from the inside of the first storage space 21 to form a nitrogen-rich gas in the first storage space 21. Oxygen to promote the gas atmosphere of food preservation.
  • the oxygen removal device can also be withdrawn as an oxygen removal device.
  • 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 (for example, ozone, nitrogen monoxide, nitrogen dioxide, water vapor, etc.
  • the nitrogen-rich oxygen in the present application to promote food preservation A gas atmosphere in which the nitrogen content exceeds the nitrogen content in the normal air and the oxygen content is lower than the oxygen content in the normal air.
  • the gas atmosphere reduces the oxygen content of the fruit and vegetable by reducing the oxygen content of the fruit and vegetable storage space, and ensures the basic breathing.
  • the oxygen removal device can include a gas conditioned membrane module 30 and an aspiration device 40.
  • the gas regulating membrane module 30 has at least one gas regulating membrane 31 and an oxygen-rich gas collecting chamber, and the surrounding space of the gas regulating membrane module 30 is in communication with the first storage space 21, and is configured such that the space around the gas regulating membrane module 30
  • the oxygen in the gas stream passes through the gas regulating membrane 31 more into the oxygen-rich gas collecting chamber relative to the nitrogen therein.
  • the inner side surface of each of the air-conditioning membranes 31 faces the oxygen-rich gas collecting chamber to make the outer space of the air-conditioning membrane module 30 when the pressure of the oxygen-rich gas collecting chamber is lower than the pressure of the surrounding space of the air-conditioning membrane module 30.
  • the oxygen in the air passes through at least one of the gas regulating membranes 31 into the oxygen-rich gas collecting chamber with respect to the nitrogen gas therein.
  • the inlet end of the air extracting device 40 communicates with the oxygen-rich gas collecting chamber via a line 50 to evacuate the gas that has penetrated into the oxygen-rich gas collecting chamber to the outside of the casing 20.
  • the air extracting device 40 draws air outward, so that the pressure of the oxygen-rich gas collecting chamber is lower than the pressure of the surrounding space of the air-conditioning membrane module 30, and further, the space around the air-conditioning membrane module 30 can be made.
  • Oxygen enters the oxygen-rich gas collection chamber. Since the first storage space communicates with the space around the air conditioning membrane module 30, the air in the first storage space enters the space around the air conditioning membrane module 30, thereby also allowing oxygen in the air in the first storage space to enter. Oxygen-rich gas collection chamber, thus A gas atmosphere in which nitrogen-rich and oxygen-poor is obtained in the first storage space to facilitate food preservation.
  • the air conditioning membrane module 30 may be disposed on the casing 20. Further, the air conditioning membrane module 30 is in the form of a flat plate, preferably and horizontally disposed on The top wall of the casing 20. Specifically, a receiving cavity 22 in which the first storage space 21 communicates is disposed in the top wall of the casing 20. The air conditioning membrane module 30 is disposed within the accommodating chamber 22. At least one first vent hole 23 and a second vent hole 24 are defined in a wall surface between the accommodating cavity of the top wall and the first storage space. At least one first venting aperture 23 is spaced apart from the at least one second venting aperture 24 to communicate the receiving cavity with the first storage space at different locations, respectively. In some alternative embodiments, the inside of the top wall of the casing 20 has a recessed groove. The air conditioning membrane module 30 is disposed in a recessed groove of the top wall of the casing 20.
  • the modified atmosphere storage device in order to facilitate the flow of the gas in the first storage space 21 and the accommodating chamber 22, the modified atmosphere storage device further includes a fan 60, which may be disposed in the accommodating chamber 22, and configured to cause the first The gas in the storage space 21 enters the accommodating chamber 22 via the first vent hole 23, and the gas in the accommodating chamber 22 enters the first storage space 21 via the second vent hole 24. That is, the fan 60 may cause the gas of the first storage space to be returned to the first storage space 21 via the at least one first venting hole 23, the accommodating cavity 22, and the at least one second venting hole 24 in sequence.
  • a fan 60 which may be disposed in the accommodating chamber 22, and configured to cause the first The gas in the storage space 21 enters the accommodating chamber 22 via the first vent hole 23, and the gas in the accommodating chamber 22 enters the first storage space 21 via the second vent hole 24. That is, the fan 60 may cause the gas of the first storage space to be returned to the first storage space 21 via the at least one first venting hole 23, the accommodating cavity 22, and the at least one second venting
  • the fan 60 is preferably a centrifugal fan located above the at least one first venting opening 23 with the axis of rotation vertically downward and the air inlet opening being directed to the first venting opening 23.
  • the air outlet of the centrifugal fan can face the air conditioning membrane module 30.
  • the air conditioning membrane module 30 is disposed above the at least one second venting opening 24 such that each of the air conditioning membranes of the air conditioning membrane module 30 is parallel to the top wall of the casing 20.
  • the centrifugal fan 60 is disposed at the front of the accommodating chamber 22, and the air conditioned membrane module 30 is disposed at the rear of the accommodating chamber 22.
  • the top wall of the casing 20 includes a main plate portion 25 and a cover portion 26, and a partial portion of the main plate portion 25 is formed with a recessed portion, and the cover portion 26 is detachably covered on the recessed portion to form the above-mentioned accommodation. Cavity 22.
  • the main plate portion 25 may be integrally formed with the side wall, the bottom wall, and the rear wall of the casing 20.
  • the air conditioning membrane module 30 can also include a support frame 32 as shown in FIG.
  • the air-conditioning membranes 31 may be two, mounted on both sides of the support frame 32 such that the two air-conditioning membranes 31 and the support frame 32 together enclose an oxygen-rich gas collection chamber.
  • the gas regulating membrane module 30 is a flat plate type oxygen-rich membrane module, and each of the gas regulating membranes 31 is an oxygen-rich membrane.
  • the support frame 32 may include a frame, a rib plate and/or a flat plate disposed in the frame, and an air flow passage between the ribs, between the ribs and the flat plate, and the surface of the rib and the surface of the flat plate may be A groove is formed to form an air flow passage.
  • the ribs and/or the flat plate may increase the structural strength and the like of the air-conditioning membrane module 30.
  • the flat type oxygen-rich membrane module further includes a support frame having first and second surfaces parallel to each other, and the support frame is formed to extend on the first surface and extend on the second surface, respectively, and A plurality of gas flow passages are formed through the support frame to communicate the first surface with the second surface, the plurality of gas flow passages collectively forming an oxygen-rich gas collection chamber.
  • At least one oxygen-rich membrane is two planar oxygen-rich membranes, respectively laid on the support frame On the first surface and the second surface.
  • the support frame 32 includes a venting aperture 33 in communication with the aforementioned at least one airflow passageway disposed on the rim to allow oxygen in the oxygen-rich gas collection chamber to be output.
  • the air suction hole 33 is in communication with the air suction device 40.
  • the air vent 33 may be disposed on the long edge of the frame or on the short edge of the frame to be determined according to the orientation of the air conditioning film assembly 30 or actual design requirements, for example, as shown in FIGS. 4 and 5.
  • the air vent 33 may be disposed on the long edge of the bezel.
  • the air-conditioning film 31 is first attached to the frame by the double-sided tape 34, and then sealed by the sealant 35.
  • the aforementioned at least one airflow passage formed inside the support frame 32 may be one or more cavities in communication with the air vent 33. In some embodiments, the aforementioned at least one airflow passage formed inside the support frame 32 may have a mesh structure.
  • the support frame 32 may include a bezel, a plurality of first ribs, and a plurality of second ribs. The plurality of first ribs are longitudinally spaced apart inside the frame and extend in the lateral direction, and one side surface of the plurality of first ribs forms a first surface.
  • a plurality of second ribs are laterally spaced apart and extend in a longitudinal direction on the other side surface of the plurality of first ribs, and a side surface of the plurality of second ribs away from the first rib forms a second surface .
  • the support frame 32 of the present invention is provided with a plurality of first ribs extending in the longitudinal direction and extending in the lateral direction inside the frame and a plurality of sections extending laterally and longitudinally on one side surface of the plurality of first ribs The two ribs thus ensure the continuity of the air flow passage on the one hand, and greatly reduce the volume of the support frame 32 on the other hand, and greatly enhance the strength of the support frame 32.
  • the above structure of the support frame 32 ensures that the air-conditioning membrane 31 can obtain sufficient support, and can maintain a good flatness even when the negative pressure inside the oxygen-rich gas collection chamber is large, and the gas-regulating film is ensured.
  • the service life of assembly 30 ensures that the air-conditioning membrane 31 can obtain sufficient support, and can maintain a good flatness even when the negative pressure inside the oxygen-rich gas collection chamber is large, and the gas-regulating film is ensured.
  • the plurality of first ribs may include a plurality of first narrow ribs and a plurality of first wide ribs. Wherein a plurality of first wide ribs are spaced apart, and a plurality of first narrow ribs are disposed between the adjacent two first wide ribs.
  • the plurality of second ribs may include: a plurality of second narrow ribs and a plurality of second wide ribs, wherein the plurality of second wide ribs are spaced apart, and a plurality of the second wide ribs are disposed between the two adjacent Second narrow rib.
  • each of the first wide ribs is recessed inwardly from a side surface thereof on which the first surface is formed to form a first groove; a side surface from which the second wide rib is formed to form the second surface
  • the second groove is recessed inwardly to improve the connectivity of the internal mesh structure while ensuring that the thickness of the support frame 32 is small (or small).
  • a portion of the surface of each of the first wide ribs facing away from the first surface extends toward the second rib to be flush with the second surface, and the portion of the surface that is flush with the second surface is inward
  • the recess forms a third trench; the third trench communicates with a portion where the second trench intersects to form a cross trench.
  • a portion of the surface of the at least one second wide rib of the plurality of second wide ribs facing away from the second surface extends toward the first rib to be flush with the first surface, and the portion of the surface that is flush with the first surface
  • the inner recess forms a fourth trench; wherein the fourth trench communicates with a portion where the first trench intersects to form a cross trench.
  • the inner surface of the cover portion 26 may extend downwardly from the plurality of air guiding ribs to guide the airflow from the fan 60 to flow through the air conditioning film in the receiving cavity.
  • the assembly 30 faces away from the outer side surface of the oxygen-rich gas collection chamber of each of the air-conditioning membranes 31.
  • the plurality of air guiding ribs may be divided into two groups, and the second group of air guiding ribs are symmetrically disposed with respect to one plane of the first group of air guiding ribs and the first group of air guiding ribs.
  • Each set of air guiding ribs includes a first air guiding rib, at least one second air guiding rib, and at least one third air guiding rib.
  • the first air guiding rib extends from a side of the air outlet of the centrifugal fan to a side of the receiving cavity and extends to a laterally outer side of the air conditioning film assembly 30.
  • Each of the second air guiding ribs is disposed between the two first air guiding ribs and between the air conditioning film assembly 30 and the centrifugal fan.
  • Each of the third air guiding ribs is located on a lateral outer side of the air conditioning membrane module 30 to direct airflow from the lateral sides of the air conditioning membrane module 30 into the air conditioning membrane module 30 and the bottom or top surface of the receiving chamber. The gap between them.
  • a plurality of air pressure balance holes may be opened in the casing 20, and the first storage space 21 and the outer space of the first storage space 21 communicate via a plurality of air pressure balance holes.
  • Each of the air pressure balance holes may be a millimeter-level air pressure balance hole, for example, each of the air pressure balance holes has a diameter of 0.1 mm to 3 mm, preferably 1 mm, 1.5 mm, or the like.
  • the plurality of air pressure balance holes are arranged so that the pressure in the first storage space 21 is not too low, and the arrangement of the plurality of air pressure balance holes does not cause the nitrogen in the first storage space 21 to flow outward, even if the flow is very Small or even negligible does not affect the preservation of food in the first storage space 21.
  • the air pressure balance hole may not be disposed on the casing 20. Even in this case, a large amount of gas such as nitrogen gas is present in the first storage space 21, and the user also opens the drawer 28 when It doesn't take much effort, it will save a lot of effort compared to the existing vacuum storage room.
  • the modified atmosphere storage device further includes a case 10 and a main door body.
  • a second storage space 11 may be defined in the casing 10.
  • the casing 20 is mounted in the second storage space 11.
  • the main door body is pivotable to the cabinet 10 to open or close the second storage space 11. That is to say, the modified atmosphere storage device has a large space for performing nitrogen-rich and oxygen-deficient preservation only in a small space in a large space.
  • the modified atmosphere storage device further includes a refrigeration system configured to provide a cooling capacity to the first storage space 21. Further, the refrigeration system first supplies a cooling amount to the second storage space 11, and then the cooling amount is transmitted to the first storage space 21.
  • a modified atmosphere storage device having a refrigeration system is also generally referred to as a refrigerating and freezing device, and may be, for example, a refrigerator having at least a refrigerating compartment 11 and a freezing compartment 12.
  • the refrigeration system can be a conventional compression refrigeration system or a semiconductor refrigeration system or the like that provides refrigeration to the storage compartment by, for example, direct cooling and/or air cooling to provide the storage compartment with a desired storage temperature.
  • the storage temperature of the refrigerator compartment may be 2 to 9 ° C, or may be 4 to 7 ° C; the storage temperature of the freezer compartment may be -22 to -14 ° C, or may be -20 to 16 °C. Since such refrigeration systems are themselves well known and readily implemented by those skilled in the art, in order not to obscure and obscure the inventive aspects of the present application, No more details are given to the refrigeration system itself.
  • the second storage space of the embodiment of the present invention may preferably be a refrigerating compartment, and may of course also be a freezing compartment or a temperature changing compartment. Further, the relative positions of the refrigerating space, the freezing space, and the temperature changing space can be adjusted according to actual needs.
  • the lower portion of the rear side of the casing 10 may have a mounting chamber 13.
  • the installation chamber 13 may also be referred to as a compressor housing and may extend in a lateral direction of the casing.
  • the air extracting device 40 may include an air pump that is disposed in the mounting chamber 13. Specifically, it can be mounted to the lateral end of the mounting chamber 13.
  • the air extracting device 40 may further include a mounting base plate and a sealed box.
  • the mounting base plate can be mounted to the bottom surface of the mounting chamber 13 by a plurality of damping pads.
  • the sealed box is mounted to the mounting base.
  • the air extracting device 40 is mounted in a sealed box.
  • a sealing frame is disposed inside the sealing box, and the mounting frame and the inner wall of the sealing box are connected by a plurality of vibration damping blocks, and the air pump is fixed inside the mounting frame, so as to reduce vibration and noise during operation of the air pump.
  • the bottom of the mounting frame is provided with two damping blocks, and the damping blocks are sleeved on the positioning posts on the bottom surface of the sealing box.
  • a circular damping block is disposed on one of the opposite sides of the mounting frame, and is disposed in the slot of the corresponding side wall of the sealing box.
  • a damping block is fixed to each of the opposite sides of the mounting frame. The air pump can be placed between the various damping blocks in the sealed box and fastened to the mounting frame by screws.
  • a locking device In some embodiments of the invention, a locking device, a handle and a handle positioning device are provided between the drawer 28 and the casing 20.
  • the locking device includes a pivotal latch disposed on both sides of the drawer end cover, two latching portions provided on the case 20, and a snap-action promoting device. Each of the fastening portions may be a protrusion.
  • the snap-in urging means can be used to urge the two pivotal latches to rotate in a direction of snapping into the respective snap-fit portions (i.e., respective first directions).
  • the handle extends horizontally and is slidably mounted to the drawer end cap in a vertical direction. Moreover, when the drawer 28 is in the closed state, the position of the handle can be the initial position of the handle.
  • the handle is configured to be in contact with the two pivotal latches in contact with each of the two pivotal latches in their initial position to prevent each pivotal latch from rotating in the other direction opposite the respective first direction, such that The pivotal latch is engaged with the latching portion to lock the drawer 28 to the case 20. Further, each of the pivotal locks is allowed to rotate in another direction opposite the respective first direction when the handle is moved up or down to the release lock position, ie, from the initial position to the release hold position. To allow the pivotal latch to be rotated away from the corresponding snap when the drawer 28 is pulled outwardly, thereby allowing the drawer 28 to be opened.
  • the handle positioning device is configured to hold the handle in position after the handle is moved to each predetermined position, primarily the initial position and the release retention lock position.
  • the user first moves the handle up or down to the unlocked hold position, and the handle positioning device holds the handle in this position, and the user can pull the drawer 28 outward.
  • the drawer is closed, the user first closes the drawer 28 and then returns the handle down or up to the initial position, and the handle positioning device holds the handle in this position, thereby keeping the drawer 28 and the casing 20 in a locked state.
  • each group of slide rails may include four sliding slots, and the front and rear sides of the guiding rods respectively have one sliding slot, and the lateral sides of the sliding block (ie, the left and right sides) respectively have a sliding slot.

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Abstract

一种气调保鲜储物装置，包括：盒体（20），盒体（20）内限定有第一储物空间（21）；和氧气去除装置，将第一储物空间（21）内空气中的部分或全部氧气抽出，以获得富氮贫氧以利于食物保鲜的气体氛围。

Description

气调保鲜储物装置
本申请要求了申请日为2016年12月02日，申请号为201611097466.3，发明名称为“气调保鲜储物装置”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
本发明涉及物品保鲜技术领域，特别是涉及一种气调保鲜储物装置。
背景技术
冰箱是保持恒定低温的一种制冷设备，也是一种使食物或其他物品保持恒定低温冷态的民用产品。随着生活品质的提高，消费者对储存食品的保鲜的要求也越来越高，特别是对食物的色泽、口感等的要求也越来越高。因此，储存的食物也应当保证在储存期间，食物的色泽、口感、新鲜程度等尽可能的保持不变。目前市场上为了更好的储存食物，仅有真空保鲜一种。经常采用的真空保鲜方式为真空袋保鲜和真空储物空间保鲜。
采用真空袋保鲜，消费者每次存储食物都需要进行抽真空动作，操作麻烦，得不到消费者的喜爱。
采用真空储物空间保鲜，由于箱体等为刚性结构，要保持真空状态，对抽真空系统的要求很高，对冰箱的密封性能要求很高，每取放一件物品，涌进的新空气多，对能量的消耗较大。而且，真空环境下，食物接收冷量比较困难，特别不利于食物的储存。此外，由于为真空环境，用户每次打开冰箱门等需要费很大的力气，造成用户使用不便。虽然有的冰箱可通过抽真空系统向真空储物空间内通气，然而这样会造成用户等待较长时间，时效性差。真空时间较长，也会造成冰箱箱体等变形严重，即现有的具有抽真空结构的冰箱不能很好地完成真空保鲜，需要箱体等的强度很大，实现要求很高，成本很高。
发明内容
本发明旨在克服现有保鲜装置的至少一个缺陷，提供一种气调保鲜储物装置，其创造性地提出了将一空间内空气中的氧气从该空间抽出，从而在该空间内获得富氮贫氧以利于食物保鲜的气体氛围，该气体氛围通过降低果蔬保存空间内氧气的含量，降低果蔬有氧呼吸的强度，同时保证基础的呼吸作用，防止果蔬进行无氧呼吸，从而达到果蔬长期保鲜的目的。
为此，本发明提供了一种气调保鲜储物装置，其包括：
盒体，所述盒体内限定有第一储物空间；和
氧气去除装置，配置成将所述第一储物空间内空气中的部分或全部氧气从所述第一储物空间抽出，以在所述第一储物空间内获得富氮贫氧以利于食物保鲜的气体氛围。
可选地，所述氧气去除装置包括：
气调膜组件，其具有至少一个气调膜和一富氧气体收集腔，且其周围空间与所述第一储物空间连通，配置成使得所述气调膜组件周围空间气流中的氧气相对于所述气调膜组件周围空间气流中的氮气更多地透过所述气调膜进入所述富氧气体收集腔；和
抽气装置，所述抽气装置的进口端经由管路与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盒体外。
可选地，所述盒体上开设有多个气压平衡孔，所述第一储物空间和所述盒体的外侧空间经由多个所述气压平衡孔连通。
可选地，所述气调膜组件为平板型富氧膜组件，每个所述气调膜为富氧膜。
可选地，所述平板型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；
至少一个所述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。
可选地，所述气调保鲜储物装置还包括抽屉，可滑动地安装于所述第一储物空间，以从所述第一储物空间的前向开口可操作地向外抽出和向内插入所述第一储物空间。
可选地，所述气调保鲜储物装置还包括制冷系统，配置成向所述第一储物空间提供冷量。
可选地，所述气调保鲜储物装置还包括箱体，所述箱体内限定有第二储物空间；所述盒体安装于所述第二储物空间内。
可选地，所述盒体的顶壁内设置有与所述第一储物空间连通的容纳腔；所述气调膜组件设置于所述容纳腔内。
可选地，在所述顶壁的所述容纳腔与所述第一储物空间之间的壁面中开设有至少一个第一通气孔和与至少一个所述第一通气孔间隔开的至少一个第二通气孔，以分别在不同位置连通所述容纳腔与所述第一储物空间；
所述气调保鲜储物装置还包括风机，设置在所述容纳腔内，以促使所述第一储物空间的气体依次经由所述至少一个第一通气孔、所述容纳腔和所述至少一个第二通气孔返回所述第一储物空间。
本发明的气调保鲜储物装置因为具有氧气去除装置，其能够将第一储物空间内的氧气抽出，可使第一储物空间内形成富氮贫氧以利于食物保鲜的气体氛围，该气体氛围通过降低果 蔬保存空间内氧气的含量，降低果蔬有氧呼吸的强度，同时保证基础的呼吸作用，防止果蔬进行无氧呼吸，从而达到果蔬长期保鲜的目的。该气调保鲜储物装置不仅保鲜效果好，而且对盒体等的刚性、强度要求较低，实现要求很低，则成本也很低。
进一步地，发明人发现：由于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)。可以说，采用何种适当的气体调节技术和相应装置才可能经济地将气调系统小型化、静音化，使其适用于家庭或个人用户，是气调保鲜领域技术人员一直渴望解决但始终未能成功解决的技术难题。本发明的气调保鲜储物装置中，氧气去除装置包括气调膜组件和抽气装置，很好地解决了气调保鲜领域技术人员一直渴望解决但始终未能成功解决的上述技术难题。气调保鲜储物装置不仅体积小，且噪音也很低，特别适用于家庭和个人。
特别地，本发明的气调保鲜储物装置可为具有制冷功能的冰箱，也可为不具制冷功能的固定式储物装置或便携式储物装置。
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气调保鲜储物装置的示意性结构图；
图2是根据本发明另一实施例的气调保鲜储物装置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气调保鲜储物装置的示意性局部结构图；
图5是图4所示结构的示意性分解图；
图6是根据本发明一个实施例的气调保鲜储物装置中气调膜组件的示意性分解图。
具体实施方式
图1是根据本发明一个实施例的气调保鲜储物装置的示意性结构图。如图1所示，本发明实施例提供了一种气调保鲜储物装置，其可包括盒体20和氧气去除装置。
盒体20内限定有第一储物空间21。为了保存食物，以及为了使第一储物空间21为尽可能的密闭空间，即第一储物空间21为密闭空间或近似密闭空间。在一些可选实施例中， 气调保鲜储物装置还包括打开或关闭第一储物空间21的门体，可转动地安装于盒体20。在一些优选地实施例中，气调保鲜储物装置还包括抽屉28，可滑动地安装于第一储物空间21，以从第一储物空间21的前向开口可操作地向外抽出和向内插入第一储物空间21。抽屉28可具有抽屉端盖，抽屉端盖可与第一储物空间21的开口配合，以进行第一储物空间21的封闭和打开。
氧气去除装置配置成将第一储物空间21内空气中的部分或全部氧气从第一储物空间21抽出，以在第一储物空间21内获得富氮贫氧以利于食物保鲜的气体氛围。也就是说，该氧气去除装置是采用从第一储物空间21内向外抽出气体的远离，将第一储物空间内的部分或全部氧气抽出，使第一储物空间21内形成富氮贫氧以利于食物保鲜的气体氛围。该氧气去除装置也可被抽出式氧气去除装置。
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。本申请中的富氮贫氧以利于食物保鲜的气体氛围是指氮气含量超过上述正常空气中氮气含量、氧气含量低于上述正常空气中氧气含量的气体氛围。该气体氛围通过降低果蔬保存空间内氧气的含量，降低果蔬有氧呼吸的强度，同时保证基础的呼吸作用，防止果蔬进行无氧呼吸，从而达到果蔬长期保鲜的目的。
在本发明的一些实施例中，氧气去除装置可包括气调膜组件30和抽气装置40。气调膜组件30具有至少一个气调膜31和一富氧气体收集腔，且该气调膜组件30的周围空间与第一储物空间21连通，配置成使得该气调膜组件30周围空间气流中的氧气相对于其中的氮气更多地透过气调膜31进入富氧气体收集腔。具体地，每个气调膜31的内侧表面朝向富氧气体收集腔，以在富氧气体收集腔的压力小于气调膜组件30的周围空间的压力时，使气调膜组件30的外部空间的空气中的氧气相对于其中的氮气更多地透过至少一个气调膜31进入富氧气体收集腔。
抽气装置40的进口端经由管路50与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盒体20外。
在该实施例中，抽气装置40向外抽气，可使富氧气体收集腔的压力小于气调膜组件30的周围空间的压力，进一步地，可使气调膜组件30周围空间内的氧气进入富氧气体收集腔。由于第一储物空间与气调膜组件30周围空间连通，第一储物空间内的空气会进入气调膜组件30周围空间，因此也可使第一储物空间内的空气中的氧气进入富氧气体收集腔，从而在 第一储物空间内获得富氮贫氧以利于食物保鲜的气体氛围。
在本发明的一些实施例中，如图4和图5所示，气调膜组件30可设置于盒体20上，进一步地，气调膜组件30呈平板型，优选地且水平地设置于盒体20的顶壁。具体地，盒体20的顶壁内设置有第一储物空间21连通的容纳腔22。气调膜组件30设置于容纳腔22内。顶壁的容纳腔与第一储物空间之间的壁面中开设有至少一个第一通气孔23和第二通气孔24。至少一个第一通气孔23与至少一个第二通气孔24间隔开，以分别在不同位置连通容纳腔与第一储物空间。在一些替代性实施例中，盒体20的顶壁内侧具有凹陷槽。气调膜组件30设置于盒体20的顶壁的凹陷槽内。
在本发明的一些实施例中，为了促使第一储物空间21与容纳腔22内的气体流动，气调保鲜储物装置还包括风机60，可设置于容纳腔22内，配置成促使第一储物空间21的气体经由第一通气孔23进入容纳腔22，且使容纳腔22内的气体经由第二通气孔24进入第一储物空间21。也就是说，风机60可促使第一储物空间的气体依次经由至少一个第一通气孔23、容纳腔22和至少一个第二通气孔24返回第一储物空间21。
风机60优选为离心风机，离心风机位于至少一个第一通气孔23的上方，且旋转轴线竖直向下，进风口正对于第一通气孔23。离心风机的出气口可朝向气调膜组件30。气调膜组件30设置于至少一个第二通气孔24的上方且使得气调膜组件30的每个气调膜平行于盒体20的顶壁。离心风机60设置于容纳腔22的前部，气调膜组件30设置于容纳腔22的后部。进一步地，盒体20的顶壁包括主板部25和盖板部26，主板部25的一局部区域中形成有凹陷部，盖板部26可拆卸地盖设于凹陷部上，以形成上述容纳腔22。为了便于盒体20的制作，主板部25可与盒体20的侧壁、底壁、后壁一体成型。
在本发明的一些实施例中，如图6所示该气调膜组件30还可包括支撑框架32。气调膜31可为两个，安装于支撑框架32的两侧，以使两个气调膜31和支撑框架32共同围成富氧气体收集腔。
进一步地，气调膜组件30为平板型富氧膜组件，每个气调膜31为富氧膜。支撑框架32可包括边框，设置于边框内的肋板和/或平板等结构，肋板之间、肋板与平板之间等可形成气流通道，肋板的表面上、平板的表面上均可开设有凹槽，以形成气流通道。肋板和/或平板可提高气调膜组件30的结构强度等。也就是说，平板型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。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。
在本发明的一些实施例中，支撑框架32包括与前述至少一个气流通道连通的抽气孔33，设置于边框上，以允许富氧气体收集腔中的氧气被输出。抽气孔33与抽气装置40连通。具体地，抽气孔33可设置边框的长边缘上，或设置于边框的短边缘上，以根据气调膜组件30的设置方位或实际设计需求进行确定，例如，在图4和图5所示的实施例中，抽气孔33可设置于边框的长边缘上。气调膜31先通过双面胶34安装于边框，然后通过密封胶35进行密封。
在一些实施例中，支撑框架32内部形成的前述至少一个气流通道可以为一个或多个与抽气孔33连通的空腔。在一些实施例中，支撑框架32内部形成的前述至少一个气流通道可以具有网格结构。具体地，支撑框架32可包括：边框，多个第一肋板以及多个第二肋板。前述多个第一肋板在边框内部沿纵向间隔设置且沿横向延伸，且前述多个第一肋板的一侧表面形成第一表面。多个第二肋板在前述多个第一肋板的另一侧表面沿横向间隔设置且沿纵向延伸，且前述多个第二肋板的远离第一肋板的一侧表面形成第二表面。本发明的支撑框架32通过在其边框内部设置沿纵向间隔且沿横向延伸的多个第一肋板和在前述多个第一肋板的一侧表面沿横向间隔且沿纵向延伸的多个第二肋板，从而一方面保证了气流通道的连贯性，另一方面大大缩小了支撑框架32的体积，并且极大地增强了支撑框架32的强度。此外，支撑框架32的上述结构保证了气调膜31能够获得足够的支撑，即使在富氧气体收集腔内部负压较大的情况下也能够始终保持较好的平整度，保证了气调膜组件30的使用寿命。
在进一步的实施例中，前述多个第一肋板可包括：多个第一窄肋板和多个第一宽肋板。其中多个第一宽肋板间隔设置，相邻两个第一宽肋板之间设置多个第一窄肋板。前述多个第二肋板可包括：多个第二窄肋板和多个第二宽肋板，多个第二宽肋板间隔设置，相邻两个第二宽肋板之间设置多个第二窄肋板。本领域技术人员容易理解，此处的“宽”“窄”是相对而言的。
在一些实施例中，每个第一宽肋板自其形成第一表面的一侧表面向内凹陷以形成第一沟槽；每个第二宽肋板自其形成第二表面的一侧表面向内凹陷形成第二沟槽，从而在保证支撑框架32的厚度很小(或者说体积很小)的前提下，提高了其内部网格结构的连通性。
在进一步的实施例中，每个第一宽肋板的背离第一表面的部分表面朝第二肋板延伸至与第二表面平齐，且自与第二表面平齐的该部分表面向内凹陷形成第三沟槽；第三沟槽与第二沟槽交叉的部位连通以形成十字沟槽。前述多个第二宽肋板中至少一个第二宽肋板的背离第二表面的部分表面朝第一肋板延伸至与第一表面平齐，且自与第一表面平齐的该部分表面向 内凹陷形成第四沟槽；其中第四沟槽与第一沟槽交叉的部位连通以形成十字沟槽。
在本发明的一些实施例中，为了便于气流的流动，盖板部26的内表面可向下延伸出多个导风肋板，以引导来自风机60的气流在容纳腔内流过气调膜组件30每个气调膜31的背离富氧气体收集腔的外侧表面。多个导风肋板可分成两组，包括第一组导风肋板与第一组导风肋板关于一个平面对称设置的第二组导风肋板。每组导风肋板包括第一导风肋板、至少一个第二导风肋板和至少一个第三导风肋板。第一导风肋板从离心风机的出风口处向容纳腔的一侧延伸，且延伸至气调膜组件30的一个横向外侧。每个第二导风肋板设置于两个第一导风肋板之间，且处于气调膜组件30和离心风机之间。每个第三导风肋板位于气调膜组件30的一个横向外侧，以引导气流使气流从气调膜组件30的横向两侧进入气调膜组件30与容纳腔的底表面或顶表面之间的间隙。
在本发明的一些实施例中，盒体20上可开设有多个气压平衡孔，第一储物空间21和第一储物空间21的外侧空间经由多个气压平衡孔连通。每个气压平衡孔可为毫米级的气压平衡孔，例如每个气压平衡孔的直径为0.1mm至3mm，优选为1mm、1.5mm等。设置多个气压平衡孔可使第一储物空间21内的压力不至于太低，多个气压平衡孔的设置也不会使第一储物空间21内的氮气向外流动，即使流动也是很小甚至是可忽略不计的，不会影响第一储物空间21内食物的保存。在本发明的一些可选实施例中，盒体20上也可不设置气压平衡孔，即使这样，第一储物空间21内还具有大量的氮气等气体存在，用户在拉开抽屉28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。
在本发明的一些实施例中，气调保鲜储物装置还包括箱体10和主门体。箱体10内可限定有第二储物空间11。盒体20安装于第二储物空间11内。主门体可枢转于箱体10，以打开或关闭第二储物空间11。也就是说，气调保鲜储物装置具有一个较大的空间，仅在较大空间里的一个较小空间进行富氮贫氧保鲜。
在本发明的一些实施例中，如图2和图3所示，气调保鲜储物装置还包括制冷系统，配置成向第一储物空间21提供冷量。进一步地，该制冷系统先向第二储物空间11提供冷量，然后冷量传递到第一储物空间21。这种具有制冷系统的气调保鲜储物装置通常也可称为冷藏冷冻装置，例如可为至少具有冷藏间室11和冷冻间室12的冰箱。制冷系统可为常见的压缩制冷系统或半导体制冷系统等，其通过例如直冷和/或风冷形式向储物间室提供冷量，以使储物间室具有期望的保藏温度。在一些实施例中，冰箱冷藏间室的保藏温度可为2～9℃，或者可为4～7℃；冷冻间室的保藏温度可为-22～-14℃，或者可为-20～16℃。由于此类制冷系统本身是本领域技术人员习知且易于实现的，为了不掩盖和模糊本申请的发明点，后文 对制冷系统本身不作更多赘述。本发明实施例的第二储物空间可优选为冷藏间室，当然也可为冷冻间室或变温间室。进一步地，冷藏空间、冷冻空间和变温空间的相对位置可根据实际需求进行调整。
在本发明的一些实施例中，如图2和图3所示，箱体10的后侧下部可具有一安装腔室13。当制冷系统为压缩制冷系统时，该安装腔室13也可被称为压缩机仓，可沿盒体的横向方向延伸。抽气装置40可包括抽气泵，设置于该安装腔室13内。具体地，可安装于该安装腔室13的横向一端。
为了便于抽气泵的安装、降低造影等，抽气装置40还可包括安装底板和密封盒。安装底板可通过多个减振脚垫安装于安装腔室13的底面。密封盒安装于安装底板。抽气装置40安装于密封盒内。进一步地，密封盒内部设置有一个安装框架，安装框架与密封盒的内壁通过多个减振垫块连接，抽气泵固定于安装框架内部，如此以减轻抽气泵运行时的振动和噪音。具体地，安装框架的底部设置有两个减振垫块，减振垫块套设在密封盒底面的定位柱上。安装框架的一个相对两侧各设置有一个圆形的减振垫块，且卡设于密封盒相应侧壁的卡槽内。安装框架的另外一相对两侧各固定一个减振垫块。抽气泵可处于密封盒内的各个减振垫块之间，且通过螺钉紧固于安装框架。
在本发明的一些实施例中，抽屉28和盒体20之间设置有锁定装置、把手和把手定位装置。锁定装置包括设置于抽屉端盖两侧的枢转锁扣、设置于盒体20上的两个扣合部，以及卡接促使装置。每个扣合部可为凸起。卡接促使装置可用于促使两个枢转锁扣朝卡接于各自相应的扣合部的方向(即各自的第一方向)转动。把手水平延伸，且可沿竖直方向可滑动地安装于抽屉端盖。而且，在抽屉28处于关闭状态时，把手所处的位置可为把手的初始位置。且把手配置成在其初始位置时，其两端分别与两个枢转锁扣接触抵靠，以阻止每个枢转锁扣沿与各自相应的第一方向相反的另一方向转动，以使枢转锁扣与扣合部保持配合状态，从而将抽屉28锁定于盒体20。进一步地，当把手向上或向下移动至解除保持锁定位置，即从初始位置移动到解除保持锁定位置后，可允许每个枢转锁扣沿与各自相应的第一方向相反的另一方向转动，以允许在向外拉动抽屉28时，枢转锁扣转动脱离相应的扣合部，从而允许打开抽屉28。把手定位装置配置成在当把手运动到各个预定的位置处后，使把手保持处于该位置处，主要是初始位置和解除保持锁定位置。当打开抽屉时，用户先使把手向上或下运动到解除保持锁定位置，把手定位装置使把手保持处于该位置，用户可向外拉开抽屉28。当关闭抽屉时，用户先使抽屉28关闭，然后使把手向下或上回到初始位置，把手定位装置使把手保持处于该位置，从而使抽屉28和盒体20保持处于锁定状态。
为了进一步使把手的运动平稳，把手的两端还分别设置有导向杆和滑块，导向杆沿竖直方向延伸。抽屉28还包括两组滑道，每组滑道至少有三个沿竖直方向延伸的滑槽，以使导向杆的两侧分别具有一个滑槽，滑块在其余的滑槽上运动，或使滑块的两侧分别具有一个滑槽，导向杆在其余的滑槽上运动。例如，每组滑道可包括四个滑槽，导向杆的前后两侧分别具有一个滑槽，滑块的横向两侧(即左右两侧)分别具有一个滑槽。
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 (8)

  1. 一种气调保鲜储物装置，其特征在于，包括：
    盒体，所述盒体内限定有第一储物空间；和
    氧气去除装置，配置成将所述第一储物空间内空气中的部分或全部氧气从所述第一储物空间抽出，以在所述第一储物空间内获得富氮贫氧以利于食物保鲜的气体氛围。
  2. 根据权利要求1所述的气调保鲜储物装置，其特征在于，所述氧气去除装置包括：
    气调膜组件，其具有至少一个气调膜和一富氧气体收集腔，且其周围空间与所述第一储物空间连通，配置成使得所述气调膜组件周围空间气流中的氧气相对于所述气调膜组件周围空间气流中的氮气更多地透过所述气调膜进入所述富氧气体收集腔；和
    抽气装置，所述抽气装置的进口端经由管路与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盒体外。
  3. 根据权利要求2所述的气调保鲜储物装置，其特征在于，
    所述盒体上开设有多个气压平衡孔，所述第一储物空间和所述盒体的外侧空间经由多个所述气压平衡孔连通。
  4. 根据权利要求2所述的气调保鲜储物装置，其特征在于，
    所述气调膜组件为平板型富氧膜组件，每个所述气调膜为富氧膜。
  5. 根据权利要求4所述的气调保鲜储物装置，其特征在于，
    所述平板型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；
    至少一个所述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。
  6. 根据权利要求1所述的气调保鲜储物装置，其特征在于，所述气调保鲜储物装置还包括：
    抽屉，可滑动地安装于所述第一储物空间，以从所述第一储物空间的前向开口可操作地 向外抽出和向内插入所述第一储物空间。
  7. 根据权利要求1所述的气调保鲜储物装置，其特征在于，所述气调保鲜储物装置还包括：
    制冷系统，配置成向所述第一储物空间提供冷量。
  8. 根据权利要求1所述的气调保鲜储物装置，其特征在于，所述气调保鲜储物装置还包括：
    箱体，所述箱体内限定有第二储物空间；
    所述盒体安装于所述第二储物空间内。
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