CN206440052U - Article-storage device - Google Patents

Abstract

The utility model provides a kind of article-storage device.The article-storage device includes：There is at least one controlled atmosphere space in casing, casing；Gas separator, the gas separator has controlled atmosphere film, the gas separator is configured to suck the partial air of gas separator external environment condition in it, and at least part oxygen in air is separated in the presence of controlled atmosphere film, the remaining gas into removing at least part oxygen in the partial air of gas separator is filled with controlled atmosphere space；And air extractor, air extractor connects with gas separator.Article-storage device of the present utility model can make to be formed rich nitrogen oxygen deprivation in controlled atmosphere space in favor of the atmosphere of food fresh-keeping, the atmosphere is by reducing the content of oxygen in fruits and vegetables shelf space, reduce the intensity of fruit/vegetable aerobic breathing, ensure the respiration on basis simultaneously, prevent fruits and vegetables from carrying out anaerobic respiration, so as to reach the purpose of fruits and vegetables long-period freshness preserving.

Description

Article-storage device

Technical field

The utility model is related to article storage technology field, more particularly to a kind of article-storage device.

Background technology

With the raising of quality of the life, consumer is to storing the fresh-keeping requirement of food also more and more higher, particularly to food The requirement of color and luster, the mouthfeel of thing etc. also more and more higher.Therefore, the food of storage should also be as ensureing during storing, the color of food Pool, mouthfeel, freshness etc. keep constant as far as possible.In the market in order to preferably store food, only vacuum freshness retaining It is a kind of.Through frequently with vacuum freshness retaining mode for vacuum bag is fresh-keeping and vacuum storing compartment is fresh-keeping.

Fresh-keeping using vacuum bag, consumer stores food and is required for progress to vacuumize action every time, and troublesome poeration cannot Consumer's likes.

It is fresh-keeping using vacuum storing compartment, because casing etc. is rigid structure, vacuum state is kept, to pumped vacuum systems Requirement it is very high, very high is required to the sealing property of storing compartment, an article is often picked and placeed, the new air poured into is more, to energy Consumption it is larger.Further, since being vacuum environment, user opens storing compartment door etc. every time to be needed to take very big strength, is caused User is inconvenient for use.Although some storing compartments can be by pumped vacuum systems to indoor ventilation between vacuum storing, but so meeting User is caused to wait long period, poor in timeliness.Vacuum time is longer, will also result in the deformation such as storing compartment casing seriously, i.e., The existing storing compartment with Vacuuming structure can not complete vacuum freshness retaining well, it is necessary to which the intensity of casing etc. is very big, in fact Now require very high, cost is very high.

Further, since the equipment of making nitrogen for being conventionally used to controlled atmosphere is bulky, with high costs, cause the technology basic On be also limited to use on various large-scale professional storages (typically at least more than 30 tons of storage capacity).It can be said that adopting Be only possible to economically to minimize Air-conditioning system with which kind of appropriate gas regulation technology and related device, mute, fit it It is the technology that controlled atmosphere art personnel thirst for solution but the solution that fails all the time always for family or personal user Problem.

Utility model content

A purpose of the present utility model is intended to overcome at least one defect of existing article-storage device to be protected there is provided a kind of controlled atmosphere Fresh article-storage device, it is creatively realized after at least part oxygen separation in air by gas separator, then will be remaining Under nitrogen-rich gas be filled with to controlled atmosphere space, so as to obtain rich nitrogen oxygen deprivation in controlled atmosphere space in favor of food fresh-keeping Atmosphere, the atmosphere is by reducing the content of oxygen in fruits and vegetables shelf space, the intensity of reduction fruit/vegetable aerobic breathing, Ensure the respiration on basis simultaneously, prevent fruits and vegetables from carrying out anaerobic respiration, so as to reach the purpose of fruits and vegetables long-period freshness preserving.

One of the present utility model further objective is that will provide that a kind of small volume, intensity are high and deaerating effect is obvious Gas separator, for the fresh-keeping article-storage device of family expenses provide nitrogen-rich gas.

Especially, the utility model provides a kind of article-storage device, it is characterised in that including：

There is at least one controlled atmosphere space in casing, the casing；

Gas separator, the gas separator has controlled atmosphere film, and the gas separator is configured to the gas point Sucked from the partial air outside device in it, and make the oxygen in the partial air relative to nitrogen therein more in institute State and separate in the presence of controlled atmosphere film, to form oxygen rich gas, then make the part into the gas separator empty The remaining gas of the removing oxygen rich gas in gas is filled with the controlled atmosphere space；With

Air extractor, is connected via pipeline with the gas separator, is configured to promote the oxygen rich gas outflow described Gas separator.

Alternatively, the gas separator also includes：

Collector box, is provided with the support frame of horizontal positioned, the support frame and the first half of the collector box in it Box body limits first gas collecting chamber jointly, and the lower half box body of the support frame and the collector box limits the jointly Two gas collection chambers；Wherein

The controlled atmosphere film is horizontally placed in the support frame, and is configured to make to enter the first gas collecting chamber Oxygen in interior air more enters the second gas collecting chamber relative to nitrogen therein through the controlled atmosphere film, with The oxygen rich gas is formed in the second gas collecting chamber, its described residual air is formed in the first gas collecting chamber Body.

Alternatively, described article-storage device also includes：

Blower fan, is arranged on the first gas collecting chamber to the flow path in the controlled atmosphere space, is configured to promote The remaining gas in the first gas collecting chamber is set to flow to the controlled atmosphere space.

Alternatively, be provided with the collector box three can controlled opening passage, respectively for making the part Air enters the first passage of the first gas collecting chamber of the gas separator, makes the remaining gas described in Second passage in controlled atmosphere space and the 3rd passage for making the oxygen rich gas outflow second gas collecting chamber；And

The blower fan is configured to open and start with second passage.

Alternatively, second passage is configured to Time Delay Opening, when first passage is opened, and described second leads to Stomata is waited and opened after a preset time, so that the remaining gas flows to the controlled atmosphere space.

Alternatively, described article-storage device also includes：

Refrigeration system, is arranged in the casing, and is configured to provide cold to the controlled atmosphere space.

Alternatively, storage space is defined in the casing；

Container for storing is provided with the storage space；

The controlled atmosphere is spatially located in the container for storing.

Alternatively, the container for storing is drawer appliance, including：

Drawer cylinder, with preceding to opening, and is arranged in the storage space；With

Drawer body, is slidably disposed in the drawer cylinder, can be grasped with the forward direction opening from the drawer cylinder Make ground and outwards extract and be inwardly inserted into the drawer cylinder out.

Alternatively, an installation chamber is provided with the casing；

The air extractor is located at one end of the installation chamber.

Alternatively, the air extractor also includes：

Mounting base, the bottom surface of the installation chamber is installed on by multiple shock absorption footpads；With

Seal box, is installed on the mounting base.

Article-storage device of the present utility model because including with controlled atmosphere film gas separator so that gas be separated into it is oxygen-containing Amount higher oxygen rich gas and the higher nitrogen-rich gas of nitrogen content, so as to make to be filled with the controlled atmosphere space of the nitrogen-rich gas Rich nitrogen oxygen deprivation is formed in favor of the atmosphere of food fresh-keeping, the atmosphere is by reducing containing for oxygen in fruits and vegetables shelf space Amount, the intensity of reduction fruit/vegetable aerobic breathing, while ensureing the respiration on basis, prevents fruits and vegetables from carrying out anaerobic respiration, so as to reach To the purpose of fruits and vegetables long-period freshness preserving.

Further, due in article-storage device of the present utility model gas separator be inflatable so that controlled atmosphere There are sufficient nitrogen-rich gas in space, and then can solve produce using the storing compartment of vacuum freshness retaining in the prior art The problem of big negative pressure, so that operation is more convenient when user's article in controlled atmosphere space enters line access.

According to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will be more Plus understand of the present utility model above-mentioned and other purposes, advantages and features.

Brief description of the drawings

It is described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter more of the present utility model specific real Apply example.Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that What these accompanying drawings were not necessarily drawn to scale.In accompanying drawing：

Fig. 1 is the schematic diagram of the article-storage device according to the utility model one embodiment；

Fig. 2 is the schematic elevational view of the article-storage device according to the utility model one embodiment；

Fig. 3 is the schematic diagram at another visual angle of Fig. 2 shown devices；

Fig. 4 is the schematic diagram of container for storing in the article-storage device according to the utility model one embodiment；

Fig. 5 is the schematic cross sectional views of gas separator in the article-storage device according to the utility model one embodiment；

Fig. 6 is the schematic, exploded of air extractor in the article-storage device according to the utility model one embodiment.

Embodiment

Fig. 1 is the schematic diagram of the article-storage device according to the utility model one embodiment.Fig. 2 is according to this practicality The schematic elevational view of the article-storage device of new one embodiment.Fig. 3 is the schematic structure at another visual angle of Fig. 2 shown devices Figure.Fig. 4 is the schematic diagram of container for storing in the article-storage device according to the utility model one embodiment.As shown in Figures 1 to 4, The utility model embodiment provides a kind of article-storage device 10, and it may include casing 20, gas separator 30 and air extractor 40. There is at least one controlled atmosphere space 210 in casing 20.In order to preserve food, controlled atmosphere space 210 can be empty for hermetic type Between or approximate hermetic type space.In some alternative embodiments, article-storage device 10 also includes opening or closing controlled atmosphere space 210 door body, is rotatably installed on casing 20.

In some embodiments of the present utility model, storage space 200 is further defined with the casing 20 of article-storage device 10, is stored up Can be set in object space 200 has container for storing 21, and controlled atmosphere space 210 is located in container for storing 21.Further, storing holds Device 21 is preferably drawer appliance.Drawer appliance may include the drawer body 23 being arranged in storage space 200 and with it is preceding to The drawer cylinder 22 of opening.Drawer body 23 is slidably mounted on drawer cylinder 22, with from the forward direction opening of drawer cylinder 22 Operationally outwards extract and be inwardly inserted into drawer cylinder 22 out.Drawer body 23 can also have drawer end cap, and drawer end cap can be with The opening of drawer cylinder 22 is engaged, to carry out the closed of controlled atmosphere space 210.

Gas separator 30 has controlled atmosphere film 300.Controlled atmosphere film 300 can be oxygen permeable membrane.Gas separator 30 can be configured to by Partial air in the external environment condition of gas separator 30 is sucked in it, and makes the oxygen in the partial air relative to nitrogen therein Gas is more separated in the presence of controlled atmosphere film 300, to form oxygen rich gas, then makes being somebody's turn to do into gas separator 30 The remaining gas of the removing part oxygen rich gas in partial air is filled with controlled atmosphere space 210, with controlled atmosphere space Rich nitrogen oxygen deprivation is obtained in 210 in favor of the atmosphere of food fresh-keeping.Air extractor 40, via pipeline 50 and gas separator 30 Connection, is configured to promote oxygen rich gas eluting gas separator 30.Can be set in air extractor 40 has aspiration pump 41.

That is, when the gas pressure in gas separator 30 is less than ambient pressure environment, outside ambient air meeting Because pressure difference is inhaled into gas separator 30.Specifically, controlled atmosphere film 300 may be arranged so that the portion into gas separator 30 Time-sharing environment air contact is to behind the side of controlled atmosphere film 300, and the oxygen in the component environment air can be relative to nitrogen therein more More by controlled atmosphere film 300 and the opposite side of controlled atmosphere film 300 is gathered in form oxygen rich gas.The oxygen rich gas then can by with The air extractor 40 of gas fractionation unit connection is extracted out, so that the air pressure reduction in gas separator 30, so as to make the external world Surrounding air continues into gas separator 30, and isolates at least part oxygen in it, is then extracted out by air extractor 40. Further, failing the remaining gas in the surrounding air by controlled atmosphere film 300 can be protected by gas fractionation unit supplied to controlled atmosphere In fresh space 210, so as to form rich nitrogen oxygen deprivation in the controlled atmosphere space 210 in favor of the atmosphere of food fresh-keeping, the gas Body atmosphere is by increasing the content of nitrogen in fruits and vegetables shelf space, the intensity of reduction fruit/vegetable aerobic breathing, while ensureing basis Respiration, prevents fruits and vegetables from carrying out anaerobic respiration, so as to reach the purpose of fruits and vegetables long-period freshness preserving.

Fig. 5 is the schematic cross sectional views of gas separator in the article-storage device according to the utility model one embodiment.Such as Shown in Fig. 5, in some embodiments of the present utility model, gas separator 30 also includes collector box 31.Set in collector box 31 There is a support frame 32 of horizontal positioned, the first half box body of support frame 32 and collector box 31 limits first gas collection jointly Chamber 310, support frame 32 and the lower half box body of collector box 31 limit second gas collecting chamber 320 jointly.

Controlled atmosphere film 300 can be horizontally placed in support frame 32, and controlled atmosphere film 300 can be configured to, when first gas is collected When the pressure of chamber 310 is more than the pressure of second gas collecting chamber 320, the part for making to enter in first gas collecting chamber 310 is empty Oxygen more enters second gas collecting chamber 320 relative to nitrogen therein through controlled atmosphere film 300 in gas, with second gas Oxygen rich gas is formed in collecting chamber 320, the remaining gas for removing the oxygen rich gas is formed in first gas collecting chamber 310, It is nitrogen-rich gas.

Controlled atmosphere film can all permeate for all gas, and simply gas with various has different penetration degrees.Gas A complicated process through controlled atmosphere film, its through mechanism be usually gas molecule be adsorbed to first controlled atmosphere film surface it is molten Solution, then spreads, finally the opposite side from controlled atmosphere film is desorbed in controlled atmosphere film.Controlled atmosphere membrane separation technique relies on gas with various Dissolving realizes the separation of gas with the difference of diffusion coefficient in controlled atmosphere film.In the utility model, controlled atmosphere film can be richness Oxygen film.Thus, when mixed gas is under certain driving force (pressure differentials or pressure ratio of oxygen permeable membrane both sides) effect, infiltration rate Such as oxygen, hydrogen, helium, hydrogen sulfide, carbon dioxide are through after oxygen permeable membrane for relatively fast gas, in the per-meate side quilt of oxygen permeable membrane Enrichment, and the relatively slow gas of infiltration rate such as nitrogen, carbon monoxide etc. are trapped in the delay side of oxygen permeable membrane by enrichment so that Reach the purpose of mixed gas separation.

Those skilled in the art know that normal air constituent includes and (presses volume percentage, hereafter together)：About 78% Nitrogen, about 21% oxygen, about 0.939% rare gas (helium, neon, argon, krypton, xenon, radon), 0.031% carbon dioxide, with And 0.03% other gases and impurity (for example, ozone, nitric oxide, nitrogen dioxide, vapor etc.).In controlled atmosphere neck Domain, generally reduces by the way of oxygen content to obtain the fresh-keeping gas of rich nitrogen oxygen deprivation using being filled with nitrogen-rich gas to closing space Atmosphere.Here, those skilled in the art know, nitrogen-rich gas refer to that nitrogen content exceedes nitrogen content in above-mentioned normal air Gas, such as nitrogen content therein can be 95%~99%, even more high；And the fresh-keeping atmosphere of rich nitrogen oxygen deprivation refers to Nitrogen content exceedes the gas atmosphere that nitrogen content, oxygen content in above-mentioned normal air are less than oxygen content in above-mentioned normal air Enclose.

Specifically, in some embodiments of the present utility model, air extractor 40 can be communicated to gas point via pipeline 50 From the second gas collecting chamber 320 of device 30, the lower half box body of collector box 31 that is to say.Air extractor 40 is made by being outwards evacuated Obtain oxygen rich gas in second gas collecting chamber 320 to flow out via pipeline 50, so that the pressure of second gas collecting chamber 320 subtracts It is small.When the pressure of second gas collecting chamber 320 is less than the pressure of first gas collecting chamber 310, in first gas collecting chamber 310 Oxygen in air can be more entered in second gas collecting chamber 320 relative to nitrogen therein through controlled atmosphere film 300.This When, because the gases such as the relatively fast oxygen of the infiltration rate in first gas collecting chamber 310 enter second gas collecting chamber 320, formed in first gas collecting chamber 310 only containing relatively slow its of a small amount of oxygen or other not oxygenous infiltration rates Residual air body, that is to say nitrogen-rich gas.Further, the pressure of first gas collecting chamber 310 infiltration rate in air in the inner The reduction of the gases such as relatively fast oxygen and reduce so that air in external environment enters first gas collecting chamber because of pressure difference In 310, and make in the presence of air extractor 40 and controlled atmosphere film 300 relatively fast oxygen of the infiltration rate in the air of entrance etc. Gas is persistently discharged into second gas collecting chamber 320.That is, air extractor 40 is caused in external environment by being outwards evacuated Air continues into gas separator 30, and in the presence of controlled atmosphere film 300, forms a large amount of in first gas collecting chamber 310 Nitrogen-rich gas for being filled with controlled atmosphere space 210.

In some embodiments of the present utility model, be also provided with collector box 31 three can controlled opening ventilation Hole.Three passages can be respectively the first passage for being used to make the air in external environment to enter first gas collecting chamber 310 351st, the remaining gas (that is to say nitrogen-rich gas) of the gases such as the relatively fast oxygen of removing infiltration rate is made to be collected by first gas Chamber 310 flows to second passage 352 in controlled atmosphere space 210 and oxygen rich gas is flowed out the of second gas collecting chamber 320 Three passages 353.

That is, first gas collecting chamber 310 can be connected by the first passage 351 with external environment.Specifically, when When the pressure of first gas collecting chamber 310 is less than the gas pressure of external environment, the controlled opening of the first passage 351.Now Two passages 352 controlled can be closed, so that the pressure increase of first gas collecting chamber 310, and substantial amounts of rich nitrogen formed therein that Gas.It is understood that because the relatively slow gas of the infiltration rates such as nitrogen can not enter heavily through controlled atmosphere film 300 Two gas collection chambers 320, the pressure of first gas collecting chamber 310 can continue to raise.When the pressure of first gas collecting chamber 310 is big In or equal to external environment gas pressure when, the first passage 351 can be closed controllably, and now the second passage 352 can be by Console keyboard is opened, so that a large amount of nitrogen-rich gas in first gas collecting chamber 310 flow to controlled atmosphere space 210.3rd passage 353 Open mode can be always maintained at when the first passage 351 and/or the second passage 352 are opened, so that second gas collecting chamber Oxygen rich gas in 320 is extracted out by air extractor 40 in time, so as to promote the air in external environment to continue to flow into first gas Collecting chamber 310.

In some embodiments of the present utility model, the second passage 352 may also be configured to Time Delay Opening.Specifically, when When first passage 351 is opened, the second passage 352 is opened again after waiting a preset time, so that first gas collecting chamber 310 It is interior to form enough nitrogen-rich gas.

In some embodiments of the present utility model, article-storage device 10 may also include blower fan 60.Blower fan 60 may be provided at On one gas collection chamber 310 to the flow path in controlled atmosphere space 210, it is configured to controllably start, and promote first gas Relatively fast oxygen of the infiltration rate for entering second gas collecting chamber 320 through controlled atmosphere film 300 etc. is removed in collecting chamber 310 The remaining gas of gas accelerates to flow to controlled atmosphere space 210.Specifically, blower fan 60 may be configured as, its air inlet direction first Gas collection chamber 310, its air outlet is towards controlled atmosphere space 210, to promote the richness of the outflow out of first gas collecting chamber 310 Nitrogen accelerates to flow to controlled atmosphere space 210.Further, blower fan 60 can be configured to the opening of the second passage 352 Open.In some embodiments of the present utility model, blower fan 60 is preferably axial flow blower.

In some embodiments of the present utility model, article-storage device 10 may also include refrigeration system.Refrigeration system can be set In in casing 20, and it is configured to provide cold to controlled atmosphere space 210.This article-storage device 10 with refrigeration system is usual Alternatively referred to as refrigerating device, for example, can be the refrigerator at least with refrigerator room and freezing compartment.Refrigeration system can be normal Compression refrigerating system or semiconductor refrigeration system for seeing etc., it is provided for example, by direct-cooled and/or air-cooled form to storing compartment Cold, so that storing compartment has desired preservation temperature.In certain embodiments, the preservation temperature of refrigerator cold-storage compartment can be 2~9 DEG C, or can be 4~7 DEG C；The preservation temperature of freezing compartment can be -22~-14 DEG C, or can be -20~16 DEG C.Due to Such refrigeration system is that those skilled in the art are known and be easily achieved in itself, in order to not cover and obscure the practicality of the application Novel point, does not make more repeat in itself to refrigeration system hereinafter.

In some embodiments of the present utility model, the back lower of casing 20 can have one to install chamber 24.Work as refrigeration When system is compression refrigerating system, the installation chamber 24 is also referred to as compressor bin.Air extractor 40 may be disposed at the installation In chamber 24.Specifically, it is mountable to one end of the installation chamber 24.

Fig. 6 is the schematic, exploded of air extractor in the article-storage device according to the utility model one embodiment.Such as Fig. 6 Shown, for the ease of the installation of air extractor 40, reduction radiography etc., air extractor 40 may also include mounting base 42 and seal box 43.Mounting base 42 can be installed on the bottom surface for installing chamber 24 by multiple shock absorption footpads 44.Seal box 43 is installed on installation bottom Plate 42.Air extractor 40 is installed in seal box 43.Further, seal box 43 is internally provided with an installation frame, installs Framework is connected with the inwall of seal box 43 by multiple vibration damping cushion blocks, and air extractor 40 is fixed on inside installation frame, so with Mitigate vibration when air extractor 40 is run and noise.Specifically, the bottom of installation frame is provided with two vibration damping cushion blocks, vibration damping Cushion block is set in the locating dowel of the bottom surface of seal box 43.One opposite sides of installation frame is each provided with a circular vibration damping Cushion block, and be arranged in the neck of the respective side walls of seal box 43.An other opposite sides for installation frame is each to fix a vibration damping Cushion block.Air extractor 40 can be between each vibration damping cushion block in seal box 43, and be anchored on installation frame by screw.

In some embodiments of the present utility model, be provided between drawer body 23 and drawer inner cylinder 22 locking device, Handle and handle positioning device.Locking device includes being arranged at the pivot lock of the both sides of drawer end cap 230, is arranged at drawer inner cylinder Two buckling parts on 22, and clamping promote device.Each buckling parts can be projection.Clamping promotes device to can be used for promoting two The individual lock that pivots is rotated towards the direction (i.e. respective first direction) for being connected in respective buckling parts.Handle horizontal extends, And can vertically be slidably mounted on drawer end cap 230.Moreover, when drawer body 23 is closed, handle Location can be the initial position of handle.And handle is configured in its initial position, its two ends is pivoted with two respectively Lock is contacted against, to prevent each lock that pivots from being rotated along the other direction opposite with respective first direction, so that Pivot lock and keep mated condition with buckling parts, so that drawer body 23 is locked in into drawer inner cylinder 22.Further, handle is worked as Move up or down to holding latched position is released, i.e., be moved to releasing from initial position and keep after latched position, can allow Each lock that pivots is rotated along the other direction opposite with respective first direction, to allow pulling out drawer body When 23, pivot lock and rotate the corresponding buckling parts of disengaging, so as to allow to open drawer body 23.Handle positioning device is configured to After at the handle motion position predetermined to each, handle is set to keep at the position, mainly initial position and releasing is protected Hold latched position.When opening door body, user first makes handle move to releasing holding latched position, handle positioning dress up or down Putting makes handle keep being in the position, and user can outwards pull open drawer body 23.When closing door body, user first makes drawer body 23 close, then make handle downwards or on return to initial position, handle positioning device makes handle keep being in the position so that Drawer body 23 and drawer inner cylinder 22 keep being in the lock state.

In order to further make the stable movement of handle, the two ends of handle are also respectively provided with guide rod and sliding block, guide rod Vertically extend.Drawer body 23 also includes two groups of slideways, the cunning that at least three, every group of slideway vertically extends Groove, so that the both sides of guide rod have a chute respectively, sliding block is moved on remaining chute, or distinguishes the both sides of sliding block With a chute, guide rod is moved on remaining chute.For example, every group of slideway may include before four chutes, guide rod Both sides have a chute respectively afterwards, and the both lateral sides (i.e. the left and right sides) of sliding block have a chute respectively.

So far, although those skilled in the art will appreciate that herein it is detailed have shown and described it is of the present utility model many Individual exemplary embodiment, still, still can be public according to the utility model in the case where not departing from the utility model spirit and scope The content opened directly determines or derived many other variations or modifications for meeting the utility model principle.Therefore, this practicality is new The scope of type is understood that and regarded as to cover other all these variations or modifications.

Claims (10)

1. a kind of article-storage device, it is characterised in that including：

There is at least one controlled atmosphere space in casing, the casing；

Gas separator, the gas separator has controlled atmosphere film, and the gas separator is configured to the gas separator Outside partial air is sucked in it, and makes the oxygen in the partial air relative to nitrogen therein more in the gas Separate, to form oxygen rich gas, then make into the partial air of the gas separator in the presence of tune film The remaining gas of the removing oxygen rich gas be filled with the controlled atmosphere space；With

Air extractor, is connected via pipeline with the gas separator, is configured to promote the oxygen rich gas to flow out the gas Separator.

2. article-storage device according to claim 1, it is characterised in that the gas separator also includes：

Collector box, is provided with the support frame of horizontal positioned, the support frame and the first half box body of the collector box in it First gas collecting chamber is limited jointly, and the support frame and the lower half box body of the collector box limit the second gas jointly Body collecting chamber；Wherein

The controlled atmosphere film is horizontally placed in the support frame, and is configured to make to enter in the first gas collecting chamber Oxygen in air more enters the second gas collecting chamber relative to nitrogen therein through the controlled atmosphere film, with institute State and the oxygen rich gas is formed in second gas collecting chamber, the remaining gas is formed in the first gas collecting chamber.

3. article-storage device according to claim 2, it is characterised in that also include：

Blower fan, is arranged on the first gas collecting chamber to the flow path in the controlled atmosphere space, is configured to promote institute State the remaining gas in first gas collecting chamber and flow to the controlled atmosphere space.

4. article-storage device according to claim 3, it is characterised in that

Be provided with the collector box three can controlled opening passage, it is respectively described for entering the partial air First passage of the first gas collecting chamber of gas separator, make the remaining gas enter the controlled atmosphere space The second passage and the oxygen rich gas is flowed out the 3rd passage of the second gas collecting chamber；And

The blower fan is configured to open and start with second passage.

5. article-storage device according to claim 4, it is characterised in that

Second passage is configured to Time Delay Opening, when first passage is opened, and second passage waits one Opened after preset time, so that the remaining gas flows to the controlled atmosphere space.

6. article-storage device according to claim 1, it is characterised in that also include：

Refrigeration system, is arranged in the casing, and is configured to provide cold to the controlled atmosphere space.

7. article-storage device according to claim 1, it is characterised in that

Storage space is defined in the casing；

Container for storing is provided with the storage space；

The controlled atmosphere is spatially located in the container for storing.

8. article-storage device according to claim 7, it is characterised in that

The container for storing is drawer appliance, including：

Drawer cylinder, with preceding to opening, and is arranged in the storage space；With

Drawer body, is slidably disposed in the drawer cylinder, with from the forward direction opening of the drawer cylinder operationally Outwards extract and be inwardly inserted into the drawer cylinder out.

9. article-storage device according to claim 1, it is characterised in that

An installation chamber is provided with the casing；

The air extractor is located at one end of the installation chamber.

10. article-storage device according to claim 9, it is characterised in that the air extractor also includes：

Mounting base, the bottom surface of the installation chamber is installed on by multiple shock absorption footpads；With

Seal box, is installed on the mounting base.