CN206449965U - Refrigerating device - Google Patents

Abstract

The utility model provides a kind of refrigerating device.The refrigerating device includes：Casing, with inner bag, housing and heat-insulation layer；Have in inner bag and container for storing is provided with storage space, storage space, there is controlled atmosphere space in container for storing；Controlled atmosphere membrane module, is arranged so that the oxygen in controlled atmosphere membrane module surrounding space air-flow more enters oxygen rich gas collecting chamber relative to the nitrogen in controlled atmosphere membrane module surrounding space air-flow through controlled atmosphere film；And air extractor, air extractor has aspiration pump, and is configured to the gas penetrated in oxygen rich gas collecting chamber being pumped to outside container for storing, and causes the pump case of the first aspiration pump of gas of outflow oxygen rich gas collecting chamber to carry out heat exchange.Refrigerating device of the present utility model is of good preservation effect, and noise is low, and cost is low, the cold in the gas of outflow oxygen rich gas collecting chamber can be made full use of, to cool to aspiration pump itself, it is ensured that the running stability of aspiration pump itself and whole refrigerating device.

Description

Refrigerating device

Technical field

The utility model is related to refrigerator storing technical field, more particularly to a kind of refrigerating device.

Background technology

Refrigerator is to maintain a kind of refrigeration plant of constant low temperature, is also that one kind makes food or other articles keep constant low temperature The product for civilian use of cold conditions.With the raising of quality of the life, consumer is to storing the fresh-keeping requirement of food also more and more higher, especially It is requirement to color and luster, the mouthfeel of food etc. also more and more higher.Therefore, the food of storage should also be as ensureing during storing, food Color and luster, mouthfeel, freshness of thing etc. keep constant as far as possible.It is only true in the market in order to preferably store food Empty fresh-keeping one kind.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 refrigerator, an article is often picked and placeed, the new air poured into is more, and energy is disappeared Consumption is larger.Moreover, under vacuum environment, food reception cold is relatively difficult, is particularly disadvantageous for the storage of food.Further, since being Vacuum environment, user opens refrigerator doors etc. every time to be needed to take very big strength, causes user inconvenient for use.Although some refrigerators can By pumped vacuum systems to indoor ventilation between vacuum storing, but user can be so caused to wait long period, poor in timeliness.Very It is longer between space-time, it will also result in the deformation such as refrigerator body seriously, i.e., the existing refrigerator with Vacuuming structure can not be well Vacuum freshness retaining is completed, it is necessary to which the intensity of casing etc. is very big, realization requires very high, and cost is very high.

In addition, inventor has found：Because the equipment of making nitrogen for being conventionally used to controlled atmosphere is bulky, with high costs, lead Cause the technology be substantially also limited to use on various large-scale professional storages (typically at least 30 tons of storage capacity with On).It can be said that be only possible to economically to minimize Air-conditioning system using which kind of appropriate gas regulation technology and related device, Mute, makes it be applied to family or personal user, is that controlled atmosphere art personnel thirst for solving but all the time failing always The technical barrier that success is solved.

Utility model content

A purpose of the present utility model is intended to overcome at least one defect of current refrigerator to be filled there is provided a kind of refrigerating Put, it is creatively proposed discharges the space by the oxygen in air in controlled atmosphere space, so as to be obtained in the space Rich nitrogen oxygen deprivation in favor of the atmosphere of food fresh-keeping, the atmosphere by reducing the content of oxygen in fruits and vegetables shelf space, The intensity of fruit/vegetable aerobic breathing is reduced, while ensureing the respiration on basis, prevents fruits and vegetables from carrying out anaerobic respiration, so as to reach fruit The purpose of vegetable long-period freshness preserving.

One of the present utility model further objective is that will make full use of in the gas of outflow oxygen rich gas collecting chamber Cold, to cool to aspiration pump itself, it is ensured that the running stability of aspiration pump itself and whole refrigerating device.

In order to realize at least one above-mentioned purpose, the utility model provides a kind of refrigerating device, and it includes：

Defined in casing, casing and container for storing is provided with storage space, storage space, there is controlled atmosphere in container for storing Fresh-keeping space；

Controlled atmosphere membrane module, controlled atmosphere membrane module has at least one controlled atmosphere film and an oxygen rich gas collecting chamber, and empty around it Between connected with controlled atmosphere space, controlled atmosphere membrane module be arranged so that oxygen in controlled atmosphere membrane module surrounding space air-flow relative to Nitrogen in controlled atmosphere membrane module surrounding space air-flow more enters oxygen rich gas collecting chamber through controlled atmosphere film；With

Air extractor, air extractor has aspiration pump, and is configured to the gas pump drainage that will penetrate in oxygen rich gas collecting chamber To outside container for storing, and cause the gas of outflow oxygen rich gas collecting chamber first with the pump case of aspiration pump after heat exchange enter to take out Air pump, or cause the gas of outflow oxygen rich gas collecting chamber to be introduced into aspiration pump and from aspiration pump outflow, afterwards with the pump of aspiration pump Shell carries out heat exchange.

Alternatively, air extractor also includes seal box, to house aspiration pump；And

The bleeding point of aspiration pump is communicated to the exhaust outlet of oxygen rich gas collecting chamber, the exhaust outlet of aspiration pump via exhaust pipe Connected with the inner space of seal box；

The gas exhaust manifold connected with the inner space of seal box is provided with seal box.

Alternatively, casing has inner bag, the housing being arranged on the outside of inner bag, and the insulation between inner bag and housing Layer；The storage space is defined in inner bag；And air extractor is arranged in the heat-insulation layer between inner bag and housing.

Alternatively, housing includes backboard, and aspiration pump is arranged between the rear wall of inner bag and backboard, and in container for storing Rear.

Alternatively, container for storing is drawer appliance, including：

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

Drawer body, is slidably mounted in drawer cylinder, operationally outside with the forward direction opening from drawer cylinder Extract and be inwardly inserted into drawer cylinder out.

Alternatively, the accommodating chamber connected with controlled atmosphere space is provided with the roof of drawer cylinder, to house controlled atmosphere film Component.

Alternatively, drawer cylinder roof accommodating chamber and controlled atmosphere space between wall in offer at least one Individual first passage and at least one second passage being spaced apart with least one first passage, with respectively in diverse location Connect accommodating chamber and controlled atmosphere space；Refrigerating device also includes blower fan, is arranged in accommodating chamber, to promote controlled atmosphere It is empty that the gas in space returns to controlled atmosphere via at least one first passage, accommodating chamber and at least one second passage successively Between.

Alternatively, blower fan is centrifugal blower, is arranged at the top of at least one the first passage and causes centrifugal blower Straight down, air inlet is towards at least one the first passage for rotation axis；Controlled atmosphere membrane module be arranged at least one second lead to The top of stomata and cause controlled atmosphere membrane module each oxygen permeable membrane parallel to roof.

Alternatively, centrifugal blower is arranged at the front portion of accommodating chamber；Controlled atmosphere membrane module is provided with the rear of centrifugal blower.

Alternatively, controlled atmosphere membrane module also includes support frame, and it has the first surface and second surface being parallel to each other, and It is formed with support frame and extends on the first surface respectively, extends on a second surface, and through support frame to connect Multiple gas channels of first surface and second surface, multiple gas channels are collectively forming oxygen rich gas collecting chamber；At least one Controlled atmosphere film is two planar shaped controlled atmosphere films, is laid on respectively on the first surface and second surface of support frame.

Refrigerating device of the present utility model is because with controlled atmosphere membrane module and aspiration pump, can make in controlled atmosphere space 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, refrigerating device of the present utility model can be made full use of in the gas of outflow oxygen rich gas collecting chamber Cold, to cool to aspiration pump itself, it is ensured that the running stability of aspiration pump itself and whole refrigerating device, with Improve the efficiency of refrigerating device.

Further, due in refrigerating device of the present utility model aspiration pump be arranged at the guarantor between inner bag and housing In warm layer, noise when pumping pump operation can be significantly reduced, user's preferably Jing Yin experience is given.Especially aspiration pump is in storage The rear of thing container, controlled atmosphere membrane module is in the rear portion of accommodating chamber, can also shorten the length of pipeline, can reduce the vacuum of controlled atmosphere Degree loss.

Further, refrigerating device of the present utility model is not only of good preservation effect, and to the firm of container for storing etc. Property, intensity requirement it is relatively low, realize require it is very low, then cost is also very low.Moreover, refrigerating device of the present utility model is well Solve the above-mentioned technical barrier that controlled atmosphere art personnel thirst for solution but the solution that fails all the time always.This practicality New refrigerating device not only small volume, and noise is also very low, is particularly suitable for use in family and personal use.

Further, refrigerating device of the present utility model is preferably refrigerator, for example, family expenses compression direct cooling refrigerator, Family expenses compression wind cooling refrigerator, certainly, or semiconductor freezer.

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 local structural graph of the refrigerating device according to the utility model one embodiment；

Fig. 2 is the schematic local structural graph at another visual angle of structure shown in Fig. 1；

Fig. 3 is the schematic, exploded of air extractor in the refrigerating device according to the utility model one embodiment；

Fig. 4 is the schematic local structural graph of the refrigerating device according to the utility model one embodiment；

Fig. 5 is the schematic, exploded of structure shown in Fig. 4；

Fig. 6 is the exploded view of controlled atmosphere membrane module in the refrigerating device according to the utility model one embodiment.

Embodiment

Fig. 1 is the schematic local structural graph of the refrigerating device according to the utility model one embodiment；Fig. 2 is figure The schematic local structural graph at another visual angle of structure shown in 1.As depicted in figs. 1 and 2, the utility model embodiment provides one Refrigerating device is planted, it may include casing 20, main door body, controlled atmosphere membrane module 30, air extractor 40 and refrigeration system.

Casing 20 may include inner bag 21, be arranged at the housing 27 in the outside of inner bag 21, and positioned at inner bag 21 and housing 27 it Between heat-insulation layer.Storage space 211 is limited in inner bag 21.Main door body can be made up of two split door body, two split door body Casing 20 is pivotally mounted to, is configured to open or close the storage space 211 of the restriction of casing 20.Main door body is alternatively one Door body.Further, being provided with storage space 211 in container for storing, container for storing has controlled atmosphere space.Controlled atmosphere Space can be hermetic type space or approximate hermetic type space.Preferably, container for storing is drawer appliance.Container for storing may include to take out Drawer cylinder 22 and drawer body 23.Drawer cylinder 22 can be with preceding to opening, and is arranged in storage space 211, can specifically set It is placed in the bottom of storage space 211.As one skilled in the art will recognize that, drawer cylinder 22 may also set up in storage space 211 middle part or top.Drawer body 23 is slidably disposed in 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 have drawer end cap, and drawer end cap can be with taking out The opening of drawer cylinder 22 is engaged, to carry out the closed of controlled atmosphere space.In some alternative implementation embodiments, storing holds Device may include cylinder and be configured to open or close the small door body of cylinder.

Refrigerant system configuration provides cold into storage space 21.Specifically, in some embodiments, refrigeration system can For the cooling cycle system being made up of compressor, condenser, throttling arrangement and evaporator etc..Evaporator is configured to directly or indirectly Ground provides cold into storage space 211.For example when the refrigerating device is family expenses compression direct cooling refrigerator, evaporator can It is arranged on the outside of the rear surface of inner bag 21 or inner side.When the refrigerating device is family expenses compression wind cooling refrigerator, casing 20 Inside also there is evaporator room, evaporator room is connected by air path system with storage space 211, and evaporation is set in evaporator room Device, exit is provided with blower fan, to carry out circularly cooling to storage space 211.In other embodiments, refrigeration system It can be semiconductor cooling device.

Controlled atmosphere membrane module 30 has at least one oxygen rich gas collecting chamber of controlled atmosphere film 31 and one, and its surrounding space and controlled atmosphere Fresh-keeping space connection.The controlled atmosphere membrane module 30 may be arranged so that oxygen in the surrounding space air-flow of controlled atmosphere membrane module 30 relative to Nitrogen in the surrounding space air-flow of controlled atmosphere membrane module 30 more enters oxygen rich gas collecting chamber through controlled atmosphere film 31.Specifically, The inner surface of each controlled atmosphere film 31 is towards oxygen rich gas collecting chamber, to be less than controlled atmosphere film group in the pressure of oxygen rich gas collecting chamber During the pressure of the surrounding space of part 30, make controlled atmosphere membrane module 30 exterior space air in oxygen relative to nitrogen therein More enter oxygen rich gas collecting chamber through at least one controlled atmosphere film 31.

Air extractor 40 can have aspiration pump 41, and be configured to the gas penetrated in oxygen rich gas collecting chamber being pumped to storage Outside thing container.

In this embodiment, outwards it is evacuated using air extractor 40, the pressure of oxygen rich gas collecting chamber can be made to be less than gas The pressure of the surrounding space of membrane module 30 is adjusted, further, the oxygen in the surrounding space of controlled atmosphere membrane module 30 can be made to enter oxygen-enriched Gas collection chamber.Because controlled atmosphere space is connected with the surrounding space of controlled atmosphere membrane module 30, the air meeting in controlled atmosphere space Into the surrounding space of controlled atmosphere membrane module 30, therefore the oxygen in the air in controlled atmosphere space can also received into oxygen rich gas Collect chamber, so as to obtain rich nitrogen oxygen deprivation in controlled atmosphere space in favor of the atmosphere of food fresh-keeping.

Refrigerating device of the present utility model can make to be formed 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.Moreover, The atmosphere also has the gas such as substantial amounts of nitrogen, will not also reduce article in controlled atmosphere space by cold efficiency, can make Fruits and vegetables etc. are effectively stored.And rigidity, the intensity requirement to container for storing etc. are relatively low, realize and require very low, then cost It is very low.Refrigerating device of the present utility model solves controlled atmosphere art personnel well to be thirsted for solving but beginning always Fail the above-mentioned technical barrier of solution eventually.Refrigerating device of the present utility model not only small volume, and noise is also very It is low, it is particularly suitable for use in family and personal use.

Especially, in this embodiment, the storage temperature in the controlled atmosphere space in refrigerating device is general at -24 DEG C To between 10 DEG C, the gas penetrated in oxygen rich gas collecting chamber can have certain cold, if being directly discharged to external high temperature ring Border, can produce dew condensation phenomenon, will also result in the loss of cold.Therefore, the air extractor 40 in the utility model embodiment is gone back It is arranged so that the gas for flowing out oxygen rich gas collecting chamber first carries out entering aspiration pump 41 after heat exchange with the pump case of aspiration pump 41； Or the gas of outflow oxygen rich gas collecting chamber is introduced into aspiration pump 41 and is flowed out from aspiration pump 41, afterwards with the pump of aspiration pump 41 Shell carries out heat exchange, the cold in gas to make full use of outflow oxygen rich gas collecting chamber.The gas bleeding of air extractor 40 can For cooling to aspiration pump 41, it can prevent that the too high vacuum that can cause aspiration pump of the heating of aspiration pump 41 from pressing and tolerance declines, The operating efficiency and fresh keeping property of controlled atmosphere membrane module are directly affected, the burn-down of electric motor of aspiration pump 41 can be made when preventing serious, is made Into the generation of quality accident.The gas bleeding of air extractor 40 can substantially reduce aspiration pump for cooling to aspiration pump 41 41 operating temperature, improves the stability of aspiration pump 41.

For example, as shown in figure 3, air extractor 40 may also include seal box 42, aspiration pump 41 may be disposed in seal box 42. The bleeding point of aspiration pump 41 is communicated to the exhaust outlet of oxygen rich gas collecting chamber via exhaust pipe 51.The exhaust outlet of aspiration pump 41 411 connect with the inner space of seal box 42, specifically, and the exhaust outlet 411 of aspiration pump 41 can not take over road, be exposed to seal box In 42.The gas exhaust manifold 52 connected with the inner space of seal box 42 is provided with seal box 42.Of the present utility model In some alternate embodiments, exhaust pipe 51 can be made to be wound in the pump case of aspiration pump 41.Replaced in of the present utility model other For in property embodiment, the exhaust outlet settable one of aspiration pump 41 blows to the blast pipe of itself pump case.

In some embodiments of the present utility model, air extractor 40 is preferentially arranged at the guarantor between inner bag 21 and housing 27 In warm layer.Aspiration pump 41, which is arranged at, can significantly reduce noise when aspiration pump 41 is run in heat-insulation layer, preferably quiet to user Sound is experienced.Further, housing 27 may include backboard, air extractor 40 be arranged at the rear wall of inner bag 21 and housing 27 backboard it Between, and the rear in container for storing, can be with to shorten the length of the exhaust pipe 51 between aspiration pump 41 and controlled atmosphere membrane module 30 Reduce the loss of vacuum of controlled atmosphere.

Seal box 42 can also reduce the noise produced when aspiration pump 41 is run.In order to further reduce noise, aspiration pump Multiple damping cushions can be set between 41 and seal box 42.The outside of seal box 42 may also set up multiple snubber blocks, to be installed on In heat-insulation layer.

In some embodiments of the present utility model, multiple micropores, the He of storage space 211 can be offered on drawer cylinder 22 Controlled atmosphere space is via multiple microporous connectivities.Micropore is also referred to as air equalizer opening, and each micropore can be millimetre-sized micro- Hole, such as a diameter of 0.1mm to 3mm of each micropore, preferably 1mm, 1.5mm etc..Multiple micropores are set to make controlled atmosphere Pressure in space is unlikely to too low, and the setting of multiple micropores will not also make the nitrogen in controlled atmosphere space empty to big storing Between 211 flowing, even if flowing be also that very little is even negligible, do not interfere with the guarantor of food in controlled atmosphere space Deposit.In some alternative embodiments of the present utility model, micropore can be also not provided with drawer cylinder 22, even if so, controlled atmosphere is protected Also there is the gases such as substantial amounts of nitrogen to exist in fresh space, user, without too sweat, compares when pulling the drawer out body 23 , then can be significantly laborsaving in existing vacuum storing room.

In some embodiments of the present utility model, inner bag 21 can be refrigerating chamber inner bag, and storage space 211 is empty for refrigeration Between, its storage temperature is general between 2 DEG C to 10 DEG C, is preferably 3 DEG C to 8 DEG C.Further, casing 20 can also limit freezing Space 25 and alternating temperature space 26, i.e. casing 20 may also include refrigerating chamber inner bag, temperature-changing chamber inner bag.Reefer space 25 is arranged at storing The lower section in space 211, alternating temperature space 26 is arranged between reefer space and refrigerating space.Temperature range in reefer space is general At -14 DEG C to -22 DEG C.Alternating temperature space can be adjusted according to demand, to store suitable food.More of the present utility model In alternate embodiment, storage space 211 or reefer space or alternating temperature space, that is to say, that the temperature of storage space 211 Range-controllable system is at -14 DEG C to -22 DEG C or is adjusted according to demand.Further, refrigerating space, reefer space and alternating temperature are empty Between relative position can be adjusted according to the actual requirements.

In some embodiments of the present utility model, as shown in Figure 4 and Figure 5, controlled atmosphere membrane module 30 may be disposed at drawer cylinder On the barrel wall of body 22.Controlled atmosphere membrane module 30 can be in plate, and preferably and horizontally be arranged at the top of drawer cylinder 22 Wall.Specifically, accommodating chamber 221 is provided with the roof of drawer cylinder 22, to house controlled atmosphere membrane module 30.For example, in drawer cylinder At least one first passage 222 and second is offered in wall between the accommodating chamber of the roof of body 22 and controlled atmosphere space Passage 223.At least one first passage 222 is spaced apart with least one second passage 223, with respectively in diverse location Connect accommodating chamber and controlled atmosphere space.First passage 222 and the second passage 223 are aperture, and quantity can be many It is individual.In some alternate embodiments, there is recessed groove on the inside of the roof of drawer cylinder 22.Controlled atmosphere membrane module 30 is arranged at drawer In the recessed groove of the roof of cylinder 22.

In some embodiments of the present utility model, in order to promote controlled atmosphere space and the gas stream in accommodating chamber 221 Dynamic, refrigerating device may also include blower fan 60, and blower fan 60 may be disposed in accommodating chamber, be configured to promote controlled atmosphere space Gas enters accommodating chamber 221 via the first passage 222, and the gas in accommodating chamber 221 is entered via the second passage 223 Controlled atmosphere space.That is, blower fan 60 can promote the gas in controlled atmosphere space successively via at least one the first ventilation Hole 222, accommodating chamber and at least one second passage 223 return to controlled atmosphere space.

Blower fan 60 is preferably centrifugal blower, is arranged in accommodating chamber 221 at first passage 222.That is, centrifugation wind Machine is located at the top of at least one the first passage 222, and rotation axis is straight down, and air inlet is right against the first passage 222.The gas outlet of centrifugal blower can be towards controlled atmosphere membrane module 30.Controlled atmosphere membrane module 30 is arranged at least one second passage 223 top and cause controlled atmosphere membrane module 30 each controlled atmosphere film parallel to drawer cylinder 22 roof.At least one first lead to Stomata 222 is arranged at roof front portion, and at least one second passage 223 is arranged at roof rear portion.That is, centrifugal blower is arranged at appearance Receive the front portion of chamber 221, controlled atmosphere membrane module 30 is arranged at the rear portion of accommodating chamber 221, and controlled atmosphere membrane module 30 is arranged at centrifugal blower Rear.Further, the roof of drawer cylinder 22 includes main board portion 224 and ceiling plate portion 225, a regional area of main board portion 224 In be formed with depressed part, ceiling plate portion 225 is removably covered on depressed part, to form accommodating chamber 221.For the ease of drawer cylinder The making of body 22, main board portion 224 can be integrally formed with side wall, bottom wall, the rear wall of drawer cylinder 22.

In some embodiments of the present utility model, as shown in fig. 6, controlled atmosphere membrane module 30 can be in plate, the controlled atmosphere film Component 30 may also include support frame 32.Controlled atmosphere film 31 is preferably oxygen permeable membrane, can be two, be installed on the two of support frame 32 Side, so that two controlled atmosphere films 31 and support frame 32 surround oxygen rich gas collecting chamber jointly.Further, support frame 32 can be wrapped Frame is included, the structure such as floor and/or flat board for being arranged in frame can form air-flow between floor, between floor and flat board etc. It can open up fluted on passage, the surface of floor, on the surface of flat board, to form gas channel.Floor and/or flat board can be carried Structural strength of high controlled atmosphere membrane module 30 etc..That is, support frame 32 has the first surface and the second table being parallel to each other It is formed with face, and support frame 32 and extends on the first surface respectively, extends on a second surface, and through support frame 32 to connect multiple gas channels of first surface and second surface, and multiple gas channels are collectively forming oxygen rich gas collecting chamber； At least one controlled atmosphere film 31 is two planar shaped controlled atmosphere films, and the first surface and second surface of support frame 32 are laid on respectively On.

In some embodiments of the present utility model, support frame 32 includes what is connected with least one foregoing gas channel Aspirating hole 33, is arranged on frame, to allow the oxygen in oxygen rich gas collecting chamber to be output.Aspirating hole 33 connects with aspiration pump 41 It is logical.Aspirating hole 33 may be disposed on the long edge of frame, or be arranged in the short edge of frame, with according to controlled atmosphere membrane module 30 Orientation or actual design demand is set to be determined, for example, in the embodiment shown in Fig. 4 and Fig. 5, aspirating hole 33 may be disposed at On the long edge of frame.Controlled atmosphere film 31 first passes through double faced adhesive tape 34 and is installed on frame, is then sealed by fluid sealant 35.

In certain embodiments, support frame 32 may include：Frame, multiple first floors and multiple second floors.Before State multiple first floors and longitudinally spaced setting and extended transversely, and the side table of aforesaid plurality of first floor inside frame Face forms first surface.Multiple second floors aforesaid plurality of first floor the laterally spaced setting in another side surface and along vertical Second surface is formed to the side surface away from the first floor of extension, and aforesaid plurality of second floor.Branch of the present utility model Support frame frame 32 inside its frame by setting multiple first floors that are longitudinally spaced and extending transversely and aforesaid plurality of One side surface of the first floor is laterally spaced and multiple second floors for extending longitudinally, so as on the one hand ensure that air-flow leads to The continuity in road, on the other hand greatly reduces the volume of support frame 32, and significantly enhances the strong of support frame 32 Degree.In addition, the said structure of support frame 32 ensure that controlled atmosphere film 31 results in enough supports, received even in oxygen rich gas Preferable flatness can be also remained in the case that collection chamber internal negative pressure is larger, it is ensured that the use longevity of controlled atmosphere membrane module 30 Life.

In a further embodiment, aforesaid plurality of first floor may include：Multiple first narrow rib plates and multiple first wide Floor.Plurality of first wide floor is arranged at intervals, and multiple first narrow rib plates are set between two neighboring first wide floor.It is foregoing Multiple second floors may include：Multiple second narrow rib plates and multiple second wide floors, the multiple second wide floors are arranged at intervals, adjacent Multiple second narrow rib plates are set between two the second wide floors.It should be readily apparent to one skilled in the art that " width " " narrow " herein is Comparatively.

In certain embodiments, each first wide floor caves inward to be formed from its side surface for forming first surface First groove；Each second wide floor caves inward to form second groove from its side surface for forming second surface, so that On the premise of the thickness very little (volume very little in other words) for ensureing support frame 32, the connection of its inner mesh structure is improved Property.

In a further embodiment, the part surface away from first surface of each first wide floor prolongs towards the second floor Extend concordant with second surface, and cave inward to form the 3rd groove from the part surface concordant with second surface；3rd ditch Groove connects to form crisscross grooves with the position that second groove is intersected.At least one second wide rib in aforesaid plurality of second wide floor The part surface away from second surface of plate extends to concordant with first surface and certainly concordant with first surface towards the first floor The part surface caves inward to form the 4th groove；Wherein the 4th groove connects to form cross with the position that first groove is intersected Groove.

In some embodiments of the present utility model, in some embodiments of the present utility model, for the ease of air-flow Flowing, the inner surface of ceiling plate portion 225 can extend downwardly out multiple wind-guiding floors, to guide the air-flow from blower fan 60 in accommodating chamber Inside flow through the outer surface away from oxygen rich gas collecting chamber of each controlled atmosphere film 31 of controlled atmosphere membrane module 30.Multiple wind-guiding floors can divide Into two groups, including first group of wind-guiding floor and first group of wind-guiding floor are on the symmetrically arranged second group of wind guide rib of a plane Plate.Every group of wind-guiding floor includes the first wind-guiding floor, at least one second wind-guiding floor and at least one the 3rd wind-guiding floor.The One wind-guiding floor extends at the air outlet of centrifugal blower to the side of accommodating chamber, and extends to a horizontal stroke of controlled atmosphere membrane module 30 Laterally.Each second wind-guiding floor is arranged between two the first wind-guiding floors, and in controlled atmosphere membrane module 30 and centrifugation wind Between machine.Each 3rd wind-guiding floor is located at a lateral outer side of controlled atmosphere membrane module 30, to guide air-flow to make air-flow from controlled atmosphere The both lateral sides of membrane module 30 enter the gap between controlled atmosphere membrane module 30 and the basal surface or top surface of accommodating chamber.

In some embodiments of the present utility model, be provided between drawer body 23 and drawer cylinder 22 locking device, Handle and handle positioning device.Locking device includes being arranged at the pivot lock of drawer end cap both sides, is arranged at drawer cylinder 22 On two buckling parts, and clamping promotes device.Each buckling parts can be projection.Clamping promotes device to can be used for promoting two Lock is pivoted to rotate towards the direction (i.e. respective first direction) for being connected in respective buckling parts.Handle horizontal extends, and Drawer end cap can be vertically slidably mounted on.Moreover, when drawer body 23 is closed, residing for handle Position can be the initial position of handle.And handle is configured in its initial position, its two ends pivots lock with two respectively and connect Touch against to prevent each pivot lock from being rotated along the other direction opposite with respective first direction, so as to pivot lock Button keeps mated condition with buckling parts, so that drawer body 23 is locked in into drawer cylinder 22.Further, when handle upwards or It is moved downward to releasing and keeps latched position, i.e., being moved to releasing from initial position keeps after latched position, can allow each pivot Twist lock button is rotated along the other direction opposite with respective first direction, to allow when pulling out drawer body 23, Pivot lock and rotate and depart from corresponding buckling parts, so as to allow to open drawer body 23.Handle positioning device be configured to when Hands movement makes handle keep at the position to after at each predetermined position, mainly initial position and releases and keeps lock Positioning is put.When opening drawer 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 drawer body, user first makes drawer Body 23 is closed, then make handle downwards or on return to initial position, handle positioning device makes handle keep being in the position, from And make drawer body 23 and drawer 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 refrigerating device, it is characterised in that including：

Define and be provided with storage space, the storage space in container for storing, the container for storing in casing, the casing With controlled atmosphere space；

Controlled atmosphere membrane module, the controlled atmosphere membrane module has at least one controlled atmosphere film and an oxygen rich gas collecting chamber, and empty around it Between connected with the controlled atmosphere space, the controlled atmosphere membrane module is arranged so that in the controlled atmosphere membrane module surrounding space air-flow Oxygen relative to the nitrogen in the controlled atmosphere membrane module surrounding space air-flow more through the controlled atmosphere film enter the richness Carrier of oxygen collecting chamber；With

Air extractor, the air extractor has aspiration pump, and is configured to the gas that will penetrate in the oxygen rich gas collecting chamber It is pumped to outside the container for storing, and pump case of the gas of the outflow oxygen rich gas collecting chamber first with the aspiration pump is entered Enter the aspiration pump after row heat exchange, or cause the gas of the outflow oxygen rich gas collecting chamber to be introduced into the aspiration pump simultaneously From aspiration pump outflow, afterwards with the pump case progress heat exchange of the aspiration pump.

2. refrigerating device according to claim 1, it is characterised in that

The air extractor also includes seal box, to house the aspiration pump；And

The bleeding point of the aspiration pump is communicated to the exhaust outlet of the oxygen rich gas collecting chamber, the aspiration pump via exhaust pipe Exhaust outlet connected with the inner space of the seal box；

The gas exhaust manifold connected with the inner space of the seal box is provided with the seal box.

3. refrigerating device according to claim 1, it is characterised in that

The casing has inner bag, the housing being arranged on the outside of the inner bag, and between the inner bag and the housing Heat-insulation layer；The storage space is defined in the inner bag；And

The air extractor is arranged in the heat-insulation layer between the inner bag and the housing.

4. refrigerating device according to claim 3, it is characterised in that

The housing includes backboard, and the aspiration pump is arranged between the rear wall of the inner bag and the backboard, and in described The rear of container for storing.

5. refrigerating device according to claim 1, 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 mounted 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.

6. refrigerating device according to claim 5, it is characterised in that

The accommodating chamber connected with the controlled atmosphere space is provided with the roof of the drawer cylinder, to house the controlled atmosphere film Component.

7. refrigerating device according to claim 6, it is characterised in that

Offered at least in wall between the accommodating chamber of the roof of the drawer cylinder and the controlled atmosphere space One the first passage and at least one second passage being spaced apart with the first passage at least one described, with respectively not The accommodating chamber and the controlled atmosphere space are connected with position；

The refrigerating device also includes blower fan, is arranged in the accommodating chamber, to promote the gas in the controlled atmosphere space Body returns to the gas via at least one described first passage, the accommodating chamber and at least one described second passage successively Adjust fresh-keeping space.

8. refrigerating device according to claim 7, it is characterised in that

The blower fan is centrifugal blower, is arranged at the top of at least one first passage and causes the centrifugal blower Straight down, air inlet is towards at least one described first passage for rotation axis；

The controlled atmosphere membrane module is arranged at the top of at least one second passage and causes the every of the controlled atmosphere membrane module The individual oxygen permeable membrane is parallel to the roof.

9. refrigerating device according to claim 8, it is characterised in that

The centrifugal blower is arranged at the front portion of the accommodating chamber；The controlled atmosphere membrane module is provided with after the centrifugal blower Side.

10. refrigerating device according to claim 1, it is characterised in that

The controlled atmosphere membrane module also includes support frame, and it has the first surface and second surface being parallel to each other, and the branch Extension, the extension on the second surface on the first surface, and through the support respectively is formed with support frame frame Framework is to connect multiple gas channels of the first surface and second surface, and the multiple gas channel is collectively forming the richness Carrier of oxygen collecting chamber；

At least one described controlled atmosphere film is two planar shaped controlled atmosphere films, and the first surface and the of the support frame is laid on respectively On two surfaces.