CN106766563A - Oxygen-enriched membrane component and refrigerating device - Google Patents

Abstract

The invention provides a kind of oxygen-enriched membrane component and refrigerating device.The oxygen-enriched membrane component includes：Support frame, it has the first surface and second surface being parallel to each other, and be formed with respectively on the first surface extend, extend 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；With two oxygen-enriched film layers, it is laid on the first surface and second surface of support frame respectively, the oxygen that each oxygen-enriched film layer is arranged so that in oxygen-enriched membrane component surrounding space air-flow more enters oxygen rich gas collecting chamber relative to nitrogen therein through oxygen-enriched film layer.The present invention sets oxygen permeable membrane by the first surface in support frame and second surface, and support frame is internally formed the gas channel connected with first surface and second surface, so that there is provided a kind of plate oxygen-enriched membrane component of the oxygen rich gas collecting chamber with multichannel.

Description

Oxygen-enriched membrane component and refrigerating device

Technical field

The present invention relates to gas separation technique field, more particularly to a kind of oxygen-enriched membrane component and the refrigerating with it 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 to storing the fresh-keeping requirement of food also more and more higher, especially It is the requirement also more and more higher of color and luster, mouthfeel to food etc..Therefore, the food of storage should also be as ensureing during storing, eating Color and luster, mouthfeel, freshness of thing etc. keep constant as far as possible.

In the preservation technique of refrigerator, the oxidation of food, respiration are all closely related in oxygen and refrigerator.Food Breathing is slower, and the oxidation of food is lower, and fresh keeping time is also more long.The oxygen content in air is reduced, to food fresh keeping With obvious effect.

At present, in order to reduce the content of oxygen in refrigerator, generally using vacuum freshness retaining or extra set in the prior art It is fresh-keeping that device for deoxidizing carries out hypoxemia.However, the operation of vacuum freshness retaining is typically more cumbersome, using being inconvenient；And device for deoxidizing Deoxygenation generally is carried out using electrolyte etc., device is complex and deaerating effect is not obvious.

Controlled atmosphere technology refers in general manner the atmosphere (gas componant by adjusting closing space residing for storage thing Ratio or gas pressure) mode extend the technology of shelf life of food products, its general principle is：In certain closing space It is interior, obtain being different from the atmosphere of normal air constituent by various regulative modes, to suppress to cause storage thing (usually to be eaten Material) putrid and deteriorated physiological and biochemical procedure and microorganism activity.Especially, in this application, the controlled atmosphere for being discussed will Specifically designed in the controlled atmosphere technology being adjusted to gas component ratio.

Those skilled in the art know that normal air constituent includes (pressing 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 obtains the fresh-keeping gas of rich nitrogen oxygen deprivation using nitrogen-rich gas are filled with to closing space by the way of reducing oxygen content Atmosphere.Here, those skilled in the art know that 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 is more than the gas atmosphere of nitrogen content, oxygen content less than oxygen content in above-mentioned normal air in above-mentioned normal air Enclose.

Find fruit and vegetable in hypoxemia water although the history of controlled atmosphere technology can trace back to German biologist in 1821 Metabolism can be usually reduced to start.But it is up to this point, huge due to being conventionally used to the equipment of making nitrogen volume of controlled atmosphere Greatly, it is with high costs, cause the technology to be substantially also limited to use (the storage capacity one on various large-scale professional storages As at least more than 30 tons).It can be said that being only possible to controlled atmosphere economically using which kind of appropriate gas regulation technology and related device System compact, mute, make it be applied to family or personal user, are that controlled atmosphere art personnel thirst for solving always But the technical barrier of the solution that fails all the time.

The content of the invention

One purpose of first aspect present invention is directed to the drawbacks described above of prior art presence, there is provided a kind of oxygen permeable membrane group Part, it is suitable for application in inside refrigerating device, to reduce the oxygen content in refrigerating device storage space.

First aspect present invention one is further objective is that will provide that a kind of small volume, intensity are high and deaerating effect is bright Aobvious oxygen-enriched membrane component.

One purpose of second aspect present invention is intended to overcome at least one defect of current refrigerator, there is provided one kind refrigeration is cold Freeze device, it is creatively proposed discharges the space using oxygen-enriched membrane component by the oxygen in air in a space, so that The atmosphere that rich nitrogen oxygen deprivation is beneficial to food fresh-keeping is obtained in the space, the atmosphere is by reducing in fruits and vegetables shelf space The content of oxygen, reduces the intensity of fruit/vegetable aerobic breathing, while ensureing the respiration on basis, prevents fruits and vegetables from carrying out anaerobic and exhales Inhale, so as to reach the purpose of fruits and vegetables long-period freshness preserving.

According to the first aspect of the invention, there is provided a kind of oxygen-enriched membrane component, it includes：

Support frame, it has the first surface and second surface being parallel to each other, and is formed with respectively in first table Extend on face, extend on the second surface, and through the support frame connecting the first surface with described the Multiple gas channels on two surfaces, the multiple gas channel is collectively forming oxygen rich gas collecting chamber；With

Two oxygen-enriched film layers, are laid on the first surface and second surface of the support frame respectively, each described richness The oxygen that oxygen film layer is arranged so that in the oxygen-enriched membrane component surrounding space air-flow is more passed through relative to nitrogen therein The oxygen-enriched film layer enters the oxygen rich gas collecting chamber.

Alternatively, the support frame includes the aspirating hole connected with the multiple gas channel, described oxygen-enriched to allow Oxygen rich gas in gas collection chamber is output.

Alternatively, the support frame also includes：

Frame；

Longitudinally spaced setting and multiple first floors for extending transversely, the multiple first rib inside the frame One side surface of plate forms the first surface；And

In the laterally spaced setting of another side surface of the multiple first floor and multiple second ribs for extending longitudinally Plate, the side surface away from first floor of the multiple second floor forms the second surface,

Between second floor between wherein adjacent first floor, adjacent and adjacent described first Gap between floor and second floor forms the multiple gas channel.

Alternatively, the multiple first floor includes：Spaced multiple first floor wide, two neighboring described first Multiple first narrow rib plates are set between floor wide；

The multiple second floor includes：Spaced multiple second floor wide, two neighboring described second floor wide Between multiple second narrow rib plates are set；Wherein

Each described first floor wide caves inward to form first groove from a side surface of its formation first surface；

Each described second floor wide caves inward to form second groove from a side surface of its formation second surface.

Alternatively, the part surface away from the first surface of each first floor wide prolongs towards second floor Extend concordant with the second surface, and cave inward to form the 3rd ditch from the part surface concordant with the second surface Groove；The position that wherein described 3rd groove intersects with the second groove connects to form crisscross grooves；And/or

The part surface court away from the second surface of at least one second floors wide in the multiple second floor wide First floor extends to concordant with the first surface and inside from the part surface concordant with the first surface Depression forms the 4th groove；The position that wherein described 4th groove intersects with the first groove connects to form crisscross grooves.

Alternatively, the quantity of the described first floor wide is two, and be divided into for each described second floor wide in the vertical by it Trisection；

The quantity of second floor wide is more than four, and it is equally spaced horizontal arranged；

The aspirating hole is arranged at the horizontal side of the frame in the longitudinal middle part of the frame.

Alternatively, shape on a side surface of the formation second surface of multiple second narrow rib plates of the neighbouring aspirating hole Into there is the groove that extends transversely and be aligned with the aspirating hole center, to expand the air inflow of the aspirating hole.

Alternatively, the both side surface on the inside of the frame circumference is caved in flat with the first surface and second surface respectively Together, installation groove is formed respectively with the both side surface of the frame, it is recessed that each described oxygen-enriched film layer is embedded in an installation In groove；

The both side surface of the frame caves in form a ring wire casing on the periphery of the installation groove respectively, for filling Fluid sealant, each described oxygen-enriched film layer is sealably mounted in an installation groove.

Alternatively, first rib-shaped forms chamfering into the edge of a side surface of the first surface；

The edge that second floor forms a side surface of the second surface forms chamfering.

According to the second aspect of the invention, there is provided a kind of refrigerating device, it includes：

Casing, defines storage space in the casing, controlled atmosphere space is provided with the storage space；

Oxygen-enriched membrane component described in foregoing any one；With

Aspiration pump, its entrance point is connected via pipeline with the oxygen rich gas collecting chamber of the oxygen-enriched membrane component, will Penetrate the gas in the oxygen rich gas collecting chamber and be pumped to the controlled atmosphere outside.

Oxygen-enriched membrane component of the invention is prolonged on the first surface respectively by the way that support frame to be specifically designed to be formed with Stretch, extend on a second surface, and through support frame to connect multiple gas channels of first surface and second surface, and The plurality of gas channel is collectively forming oxygen rich gas collecting chamber, and set by the first surface and second surface in support frame Oxygen-enriched film layer is put, so that there is provided a kind of plate oxygen-enriched membrane component of the oxygen rich gas collecting chamber with multichannel.

Further, support frame of the invention is by setting inside its frame longitudinally spaced and extending transversely Multiple first floors and multiple first floors a side surface is laterally spaced and multiple second floors for extending longitudinally, from And one side ensure that the continuity of gas channel, the volume of support frame is on the other hand greatly reduced, and greatly increase The strong intensity of support frame.Additionally, the said structure of support frame ensure that oxygen-enriched film layer is obtained in that enough supports, i.e., Make also remain preferable flatness in the case where oxygen rich gas collecting chamber internal negative pressure is larger, it is ensured that oxygen permeable membrane The service life of component.

Further, the present invention further enhancing branch by setting multiple first floors wide and multiple second floors wide The intensity of support frame frame, is further ensured that oxygen-enriched film layer obtains enough supports.Also, the present invention is by further in the first rib wide The surface of plate and the second floor wide sets groove structure, in the case where oxygen rich gas collecting chamber internal negative pressure is larger, to prevent Gas occluding, increases gas conductivity, so as to improve the oxygen separation effect of oxygen-enriched membrane component.

Further, the side table of the formation second surface that the present invention passes through the multiple second narrow rib plates in neighbouring aspirating hole The groove for extending transversely and being aligned with aspirating hole center is formed with face, so as to expand the air inflow of aspirating hole, further Gas conductivity is increased, so as to further lift the oxygen separation effect of oxygen-enriched membrane component.

Further, the present invention installs groove and loop wire groove by being formed on the frame of support frame, so as to can realize By oxygen-enriched film layer it is convenient, fast, be reliably mounted on framework, and ensure that the air-tightness of oxygen-enriched membrane component.

Because having oxygen-enriched membrane component and aspiration pump, aspiration pump can make side pressure in oxygen permeable membrane to refrigerating device of the invention Power is less than outside pressure, so that can make to form the atmosphere that rich nitrogen oxygen deprivation is beneficial to food fresh-keeping in controlled atmosphere space, should Atmosphere reduces the intensity of fruit/vegetable aerobic breathing by reducing the content of oxygen in fruits and vegetables shelf space, while ensureing basis Respiration, prevent fruits and vegetables from carrying out anaerobic respiration, so as to reach the purpose of fruits and vegetables long-period freshness preserving.

According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter Of the invention above-mentioned and other purposes, advantages and features.

Brief description of the drawings

Describe some specific embodiments of the invention in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter. Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：

Fig. 1 is the schematic diagram of oxygen-enriched membrane component according to an embodiment of the invention；

Fig. 2 is the schematic, exploded of oxygen-enriched membrane component shown in Fig. 1；

Fig. 3 is the schematic diagram of support frame shown in Fig. 2；

Fig. 4 is the enlarged diagram of the a-quadrant in Fig. 3；

Fig. 5 is the schematic diagram that support frame shown in Fig. 2 is observed from another angle；

Fig. 6 is the enlarged diagram in the B regions in Fig. 5；

Fig. 7 is the schematic cross sectional views intercepted along the cutting line C-C in Fig. 5；

Fig. 8 is the schematic layout structure chart of refrigerating device according to an embodiment of the invention；

Fig. 9 is the schematic diagram that refrigerating device shown in Fig. 8 is observed from another angle；

Figure 10 is the schematic local structural graph of refrigerating device according to an embodiment of the invention；

Figure 11 is the schematic, exploded of structure shown in Figure 10.

Specific embodiment

Fig. 1 is the schematic diagram of oxygen-enriched membrane component according to an embodiment of the invention 100；Fig. 2 is rich shown in Fig. 1 The schematic, exploded of oxygen membrane module 100.Referring to Fig. 1 and Fig. 2, oxygen-enriched membrane component 100 according to embodiments of the present invention is general May include：Support frame 110 and the oxygen-enriched film layer 120 being arranged in support frame 110.

In the embodiment of the present invention, oxygen-enriched film layer 120 can include one or more layers oxygen permeable membrane.Oxygen permeable membrane is for all gas Body all can be infiltration, and simply gas with various has different penetration degrees.Gas permeation oxygen permeable membrane is a mistake for complexity Journey, then it spread, most through the surface dissolving that mechanism is usually that gas molecule is adsorbed to oxygen permeable membrane first in oxygen permeable membrane Desorbed from the opposite side of oxygen permeable membrane afterwards.Oxygen-enriched membrane separation technique dissolves and diffusion coefficient by gas with various in oxygen permeable membrane Difference realize the separation of gas.When mixed gas are made in certain driving force (pressure differentials or pressure ratio of oxygen permeable membrane both sides) Under, after the quickish gas of infiltration rate such as oxygen, hydrogen, helium, hydrogen sulfide, carbon dioxide transmission oxygen permeable membrane, in richness The per-meate side of oxygen film is enriched with, and the relatively slow gas of infiltration rate such as nitrogen, carbon monoxide etc. are trapped in the stagnant of oxygen permeable membrane Side is stayed to be enriched with so as to reach the purpose of mixed gas separation.

Fig. 3 is the schematic diagram of support frame 110 shown in Fig. 2；Fig. 4 is the enlarged diagram of the a-quadrant in Fig. 3； Fig. 5 is the schematic diagram that support frame 110 shown in Fig. 2 is observed from another angle；Fig. 6 is that the amplification in the B regions in Fig. 5 is shown It is intended to；Fig. 7 is the schematic cross sectional views intercepted along the cutting line C-C in Fig. 5.Referring to Fig. 3 to Fig. 7, support frame 110 has phase Mutual parallel first surface 111 and second surface 112.Support frame 110 be formed with respectively on first surface 111 extend, Extend on second surface 112, and through support frame 110 connecting multiple air-flows of first surface 111 and second surface 112 Passage 113.That is, the plurality of gas channel 113 be included on first surface 111 extend multiple first gas channels, Multiple second gas channels for extending on second surface 112 and through support frame 110 connecting the and of first surface 111 Multiple 3rd gas channels of second surface 112.Or it is also understood that support frame 110 is formed with first surface 111 Multiple first gas channels of upper extension and multiple second gas channels extended on second surface 112, and the first air-flow is logical Connected by the 3rd gas channel between road and the second gas channel.All of gas channel 113 is collectively forming oxygen rich gas receipts Collection chamber.

The quantity of oxygen-enriched film layer 120 is two, and two oxygen-enriched film layers 120 are laid on the first table of support frame 110 respectively On face 111 and second surface 112.Oxygen-enriched film layer 120 is arranged so that the oxygen phase in the surrounding space air-flow of oxygen-enriched membrane component 100 More enter oxygen rich gas collecting chamber through oxygen-enriched film layer 120 for nitrogen therein.

In certain embodiments, support frame 110 includes the aspirating hole 101 connected with aforesaid plurality of gas channel 113, with The oxygen rich gas in oxygen rich gas collecting chamber is allowed to be output.It is rich as the oxygen rich gas in oxygen rich gas collecting chamber is output Oxygen in carrier of oxygen collecting chamber in negative pressure state, therefore the outside air of oxygen-enriched membrane component 100 can continue to pass through oxygen permeable membrane Layer 120 enters in oxygen rich gas collecting chamber, so that the outside air of oxygen-enriched membrane component 100 forms rich blanket of nitrogen.

In certain embodiments, support frame 110 on the whole can generally rectangular shaped framework.

In certain embodiments, support frame 110 may include：Frame 102, multiple first floors 1110 and multiple second Floor 1120.Aforesaid plurality of first floor 1110 is in the longitudinally spaced setting in the inside of frame 102 and extends transversely, and foregoing many One side surface of individual first floor 1110 forms first surface 111.Multiple second floors 1120 are in aforesaid plurality of first floor The laterally spaced setting of 1110 another side surface and extend longitudinally, and aforesaid plurality of second floor 1120 away from first rib One side surface of plate 1110 forms second surface 112.That is, aforesaid plurality of second floor 1120 is arranged on aforesaid plurality of On one side surface of one floor 1110.Aforesaid plurality of first floor 1110 and the opposite surface of aforesaid plurality of second floor 1120 point Xing Cheng not first surface 111 and second surface 112；That is, aforesaid plurality of first floor 1110 and aforesaid plurality of second floor 1120 Opposite surface forms first surface 111；Aforesaid plurality of second floor 1120 and the opposite table of aforesaid plurality of first floor 1110 Face forms second surface 112.Between the second floor 1120 between the first adjacent floor 1110, adjacent and adjacent Gap between one floor 1110 and the second floor 1120 forms aforesaid plurality of gas channel 113.Wherein, two adjacent first Gap between floor 1110 is formed in the first gas channel extended on first surface 111, two the second adjacent floors Gap between 1120 is formed in the second gas channel extended on second surface 112, the first adjacent floor 1110 and second Gap between floor 1120 forms the 3rd air-flow for connecting first surface 111 and second surface 112 through support frame 110 and leads to Road.That is, the chi structure for being formed by all first floors 1110 and all second floors 1120 forms aforesaid plurality of gas channel 113。

Herein, a side surface and another side surface of multiple first floors 1110 refer respectively to the first floor 1110 Both not towards laterally or not towards mutually deviate from two surfaces of longitudinal direction；That is, a side surface of the first floor 1110 and What another side surface referred respectively to the first floor 1110 neither extends towards direction also not towards two tables of its orientation Face.Correspondingly, a side surface and another side surface of multiple second floors 1120 refer respectively to the neither court of the second floor 1120 To laterally also not towards mutually deviate from two surfaces of longitudinal direction；That is, a side surface and opposite side of the second floor 1120 What surface referred respectively to the second floor 1120 neither extends towards direction also not towards two surfaces of its orientation.

Support frame of the invention 110 by set inside its frame 102 it is longitudinally spaced and extend transversely it is many Individual first floor 1110 and aforesaid plurality of first floor 1110 a side surface is laterally spaced and the multiple that extends longitudinally Second floor 1120, so as on the one hand ensure that the continuity of gas channel 113, on the other hand greatly reduces support frame 110 volume, and significantly enhance the intensity of support frame 110.Additionally, the said structure of support frame 110 ensure that Oxygen-enriched film layer 120 is obtained in that enough supports, even if also can in the case where oxygen rich gas collecting chamber internal negative pressure is larger Remain preferable flatness, it is ensured that the service life of oxygen-enriched membrane component 100.In a further embodiment, it is foregoing many Individual first floor 1110 may include：Multiple first narrow rib plates 1111 and multiple first floors wide 1112.Plurality of first rib wide The interval setting of plate 1112, sets multiple first narrow rib plates 1111 between two neighboring first floor wide 1112.Aforesaid plurality of second Floor 1120 may include：Multiple second narrow rib plates 1121 and multiple second floors wide 1122, multiple second floors wide 1122 are spaced Set, multiple second narrow rib plates 1121 are set between two neighboring second floor wide 1122.It should be readily apparent to one skilled in the art that " width " " narrow " herein is that comparatively, i.e., the width of the first floor wide 1112 is wider than the width of the first narrow rib plate 1111, Specifically, the width of the first floor wide 1112 can be 2~3 times or so of the width of the first narrow rib plate 1111；Second floor wide 1122 width is wider than the width of the second narrow rib plate 1121, and specifically, the width of the second floor wide 1122 can be the second narrow rib 2~3 times or so of the width of plate 1121.The present invention is by setting multiple first floors wide 1112 and multiple second floors wide 1122, further enhancing the intensity of support frame 110.

In certain embodiments, each first floor wide 1112 concaves from its side surface for forming first surface 111 Fall into form first groove 12；Each second floor wide 1122 caves inward shape from its side surface for forming second surface 112 Into second groove 22.It will be understood by those skilled in the art that in such embodiments, first groove 12 is towards first surface 111, second groove 22 is non-interference between first groove 12 and second groove 22 towards second surface 112.The present invention by The surface of the first floor wide 1112 and the second floor wide 1122 sets groove structure, so as to ensure the thickness of support frame 110 On the premise of very little (volume very little in other words), the connectedness of its inner mesh structure is improve.Even if so as in oxygen rich gas In the case that collecting chamber internal negative pressure is larger, prevented also from gas occluding, increase gas conductivity.

In certain embodiments, first groove 12 can be respectively formed in the whole length of the first floor wide 1112；Second The whole length of floor wide 1122 is respectively formed on second groove 22.In an alternative embodiment, also can only in the first floor wide First groove 12 is formed on 1112 one or more sections；Or formed on one or more sections of the second floor wide 1122 Second groove 22.

In a further embodiment, the part surface away from first surface 111 of each the first floor wide 1112 is towards Two floors 1120 extend to concordant with second surface 112, and are caved inward shape from the part surface concordant with second surface 112 Into the 3rd groove 14；The position that 3rd groove 14 intersects with second groove 22 connects to form crisscross grooves 23.Aforesaid plurality of The part surface away from second surface 112 of at least one second floors wide 1122 is towards the first floor 1110 in two floors wide 1122 Extend to concordant with first surface 111, and cave inward to form the 4th groove from the part surface concordant with first surface 111 25；The position that wherein the 4th groove 25 intersects with first groove 12 connects to form crisscross grooves 13.In such embodiments, One side surface of the first floor wide 1112 forms first surface 111, and the preceding sections surface of opposite side forms second surface 112； One side surface of the second floor wide 1122 forms second surface 112, and the preceding sections surface of opposite side forms first surface 111. The present invention is respectively provided with groove structure by the both side surface of the first floor wide 1112 and/or the second floor wide 1122, and makes the The position that one side trench of one floor wide 1112 intersects with second groove 22 connects, make a side trench of the second floor wide 1122 with The position connection that first groove 12 is intersected, so as to further improve the connectedness of network, advantageously dredges in gas, Prevent gas occluding.

In the particular embodiment, the quantity of the first floor wide 1112 can be two, its in the vertical substantially by each the Two floors wide 1122 are divided into trisection.The first narrow rib plate of 10 or so can be set between two floors 1112 wide of adjacent first 1111.The quantity of the second floor wide 1122 is more than four, and it is equally spaced horizontal arranged.The quantity of the second floor wide 1122 Preferably ten, as shown in Figure 3.The quantity for wherein forming the second floor wide 1122 of the 4th groove 25 is four, such as Fig. 5 institutes Show, two middle parts for being located at frame 102, two respectively positioned at the both lateral sides of frame 102.Two the adjacent second floors wide The second narrow rib plate 1121 of 4~6 or so can be set between 1122.

Aspirating hole 101 can be set to the first gas channel extended on first surface 111 and on second surface 112 The second gas channel for extending is connected.Preferably, the friendship of the center of aspirating hole 101 and the first floor 1110 and the second floor 1120 Interface is in same plane, is beneficial to the circulation of oxygen rich gas collecting chamber inner air path.

Aspirating hole 101 can be arranged at the horizontal side of frame 102 in the longitudinal middle part of frame 102.So set equivalent to It is evacuated from the middle part of oxygen-enriched membrane component 100, is conducive to oxygen-enriched film layer 120 uniformly ventilative.Aspirating hole 101 can be for stepped hole in other words Shoulder hole, with when it passes through flexible pipe and is connected with aspiration pump, it is ensured that the air-tightness of connecting portion.

Referring to Fig. 3, a side surface of the formation second surface 112 of multiple second narrow rib plates 1121 of neighbouring aspirating hole 101 On be formed with the groove 21 for extending transversely and being aligned with the center of aspirating hole 101, to expand the air inflow of aspirating hole 101, enter one Step increased gas conductivity, so as to further lift the oxygen separation effect of oxygen-enriched membrane component 100.

In certain embodiments, the first floor 1110 forms the edge formation chamfering of a side surface of first surface 111；The The edge that two floor 1120 forms a side surface of second surface 112 forms chamfering, so as to the first floor 1110 and the can be reduced Contact area between two floors 1120 and oxygen-enriched film layer 120, further enhances the gas flowing inside oxygen rich gas collecting chamber Property.

In certain embodiments, the both side surface on the inside of the circumference of frame 102 is caved in and the table of first surface 111 and second respectively Face 112 is concordant, and an installation groove 114, each oxygen-enriched film layer 120 insertion one are formed respectively with the both side surface of frame 102 In individual installation groove 114.The both side surface of frame 102 caves in form a ring wire casing on the periphery for installing groove 114 respectively 115, for filling with sealant 130, oxygen-enriched film layer 120 is sealably mounted in installation groove 114.The present invention is by branch Formed on the frame 102 of support frame frame 110 and groove 114 and loop wire groove 115 are installed, so as to can realize by the convenience of oxygen-enriched film layer 120, soon It is prompt, be reliably mounted in support frame 110, and ensure that the air-tightness of oxygen-enriched membrane component 100, make inside and outside oxygen-enriched film layer 120 Enough pressure differentials can be formed.When the oxygen-enriched membrane component 100 of the embodiment of the present invention is fresh-keeping middle for refrigerator food, fluid sealant Ensure food grade standard, that is, ensure that fluid sealant does not produce peculiar smell and noxious volatile material.

In certain embodiments, referring to Fig. 2, in order to further facilitate installation, double faced adhesive tape 140 first can be enclosed by oxygen permeable membrane with one Layer 120 is pre-fixed in groove 114 is installed, and fluid sealant 130 is enclosed in filling one in loop wire groove 115 afterwards, by oxygen-enriched film layer 120 It is sealably mounted in installation groove 114.

In a preferred embodiment, aforesaid plurality of first floor 1110 and aforesaid plurality of second floor 1120 can be integrated Part；In an alternative embodiment, aforesaid plurality of second floor 1120 can also be respectively single with aforesaid plurality of first floor 1110 Only plate, aforesaid plurality of second floor 1120 for example sticks in the inner surface of aforesaid plurality of first floor 1110.

In embodiments of the present invention, because the special construction of support frame 110 can ensure that it has enough intensity, therefore Support frame 110 can be made of plastics.Support frame 110 is preferably molded by plastics integral molded plastic.

Oxygen-enriched membrane component of the invention 100 is mainly used in realizing the separation of constituent of air, and sky can be adjusted by the component The content of oxygen or nitrogen or carbon dioxide in gas, and then it is applied to different application scenarios (for example；Oxygen-enriched environment；Lung ventilator Or fresh keep-alive or heavy-oxygen-enriched water etc., low-oxygen environment；Controlled atmosphere or fire-retardant environment；Rich nitrogen environment；Carbon dioxide enriched environment etc.). Due to the small volume of oxygen-enriched membrane component 100 of the embodiment of the present invention, therefore it is very suitable for the food fresh keeping for refrigerator.

Therefore, present invention also offers a kind of refrigerating device.Fig. 8 is that refrigeration according to an embodiment of the invention is cold Freeze the schematic diagram of device, Fig. 9 is the schematic diagram that refrigerating device shown in Fig. 8 is observed from another angle；Figure 10 is the schematic local structural graph of refrigerating device according to an embodiment of the invention；Figure 11 is structure shown in Figure 10 Schematic, exploded.As shown in Figs. 8 to 11, the refrigerating device of the embodiment of the present invention may include casing 200, door body (figure Not shown in), oxygen-enriched membrane component 100, aspiration pump 41 and refrigeration system.

Storage space 211 and compressor bin 240 are defined in casing 200.Specifically, casing 200 may include inner bag 210, Storage space 211 is limited in inner bag 210.Door body is pivotally mounted to casing 200, is configured to open or close casing 200 and limits Fixed storage space 211.Further, being provided with storage space 211 in container for storing, container for storing has controlled atmosphere empty Between.Controlled atmosphere space can be hermetic type space or approximate hermetic type space.Container for storing is preferably drawer appliance.Container for storing May include drawer cylinder 220 and drawer body 230.Drawer cylinder 220 can have preceding to opening, and be arranged at storage space 211 It is interior.Drawer body 230 is slidably disposed in drawer cylinder 220, operationally outside with the forward direction opening from drawer cylinder 220 Extract and be inwardly inserted into drawer cylinder 220 out.

Refrigeration system can be the cooling cycle system being made up of compressor, condenser, throttling arrangement and evaporator etc..Compression Machine is mountable in compressor bin 240.Evaporator is configured to directly or indirectly to providing cold in storage space 211.

The surrounding space of oxygen-enriched membrane component 100 is connected with controlled atmosphere space.Oxygen in the air in controlled atmosphere space can More enter oxygen rich gas collecting chamber through oxygen-enriched film layer 120 relative to nitrogen therein.Aspiration pump 41 may be disposed at compression In cabin 240, to make full use of the space of compressor bin 240.Aspiration pump 41 does not take elsewhere additionally, therefore will not increase cold The additional volumes of refrigerating plant are hidden, the compact conformation of refrigerating device can be made.The entrance point of aspiration pump 41 via pipeline 50 with The oxygen rich gas collecting chamber connection of oxygen-enriched membrane component 100, will penetrate the gas in oxygen rich gas collecting chamber and is pumped to storing appearance Outside device.

In this embodiment, aspiration pump 41 is outwards evacuated, and the pressure of oxygen rich gas collecting chamber can be made to be less than oxygen-enriched membrane component The pressure of 100 surrounding space, further, can be such that the oxygen in the surrounding space of oxygen-enriched membrane component 100 is received into oxygen rich gas Collection chamber.Because controlled atmosphere space connects with the surrounding space of oxygen-enriched membrane component 100, the air in controlled atmosphere space can enter richness The surrounding space of oxygen membrane module 100, therefore the oxygen in the air in controlled atmosphere space is entered oxygen rich gas collecting chamber, So as to obtain the atmosphere that rich nitrogen oxygen deprivation is beneficial to food fresh-keeping in controlled atmosphere space.In certain embodiments, as schemed Shown in 10 and Figure 11, oxygen-enriched membrane component 100 may be disposed on the barrel wall of drawer cylinder 220, preferably horizontally be arranged at and takes out The roof of drawer cylinder 220.Specifically, accommodating chamber 221 is provided with the roof of drawer cylinder 220, to house oxygen-enriched membrane component 100.Offered on wall between the accommodating chamber 221 of drawer cylinder 220 and controlled atmosphere space connected with accommodating chamber 221 to Few first passage 222 and at least one second passages 223.First passage 222 is spaced with the second passage 223 Open, with respectively in diverse location connection accommodating chamber 211 and controlled atmosphere space.First passage 222 and the second passage 223 are equal It is aperture, and quantity can be multiple.

In certain embodiments, in order to promote controlled atmosphere space to be flowed with the gas in accommodating chamber 221, refrigerating dress Put and may also include blower fan 60, be arranged in accommodating chamber 221, be configured to promote the gas in controlled atmosphere space via the first passage 222 enter accommodating chamber 221, and the gas in accommodating chamber 221 is entered controlled atmosphere space via the second passage 223.Blower fan 60 are preferably centrifugal blower, are arranged in accommodating chamber 221 at first passage 222.That is, centrifugal blower is located at least one The top of individual first passage 222, and air inlet is right against the first passage 222.The gas outlet of centrifugal blower can be towards oxygen-enriched Membrane module 100.Oxygen-enriched membrane component 100 is arranged at the top of at least one second passages 223 and causes oxygen-enriched membrane component 100 Roof of each oxygen-enriched film layer 120 parallel to cylinder 22.First passage 222 is arranged at roof front portion, and the second passage 223 sets It is placed in roof rear portion.That is, centrifugal blower is arranged at the front portion of accommodating chamber 221, and oxygen-enriched membrane component 100 is arranged at accommodating chamber 221 Rear portion.

Further, the roof of drawer cylinder 220 includes main board portion 224 and ceiling plate portion 225, the upper surface of main board portion 224 Recessed groove is formed, ceiling plate portion 225 is covered on recessed groove, to form accommodating chamber 221.

It should be appreciated by those skilled in the art that " transverse direction ", " longitudinal direction " alleged in the embodiment of the present invention etc. is used for the side of expression Position or position relationship term be on the basis of oxygen-enriched membrane component 100 or support frame 110 shown in Fig. 1 to Fig. 6 for, this A little terms are for only for ease of description and understand technical scheme, rather than the device or part that indicate or imply meaning With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.

So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple of the invention and show Example property embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes It is set to and covers all these other variations or modifications.

Claims (10)

1. a kind of oxygen-enriched membrane component, it is characterised in that including：

Support frame, it has the first surface and second surface being parallel to each other, and is formed with difference on the first surface Extend, extend on the second surface, and through the support frame connecting the first surface with second table Multiple gas channels in face, the multiple gas channel is collectively forming oxygen rich gas collecting chamber；With

Two oxygen-enriched film layers, are laid on the first surface and second surface of the support frame respectively, each described oxygen permeable membrane The oxygen that layer is arranged so that in the oxygen-enriched membrane component surrounding space air-flow more passes through described relative to nitrogen therein Oxygen-enriched film layer enters the oxygen rich gas collecting chamber.

2. oxygen-enriched membrane component according to claim 1, it is characterised in that

The support frame includes the aspirating hole that is connected with the multiple gas channel, with allowing the oxygen rich gas collecting chamber Oxygen rich gas be output.

3. oxygen-enriched membrane component according to claim 2, it is characterised in that the support frame also includes：

Frame；

Longitudinally spaced setting and multiple first floors for extending transversely inside the frame, the multiple first floor One side surface forms the first surface；And

In the laterally spaced setting of another side surface of the multiple first floor and multiple second floors for extending longitudinally, institute The side surface away from first floor for stating multiple second floors forms the second surface,

Between second floor between wherein adjacent first floor, adjacent and adjacent first floor The multiple gas channel is formed with the gap between second floor.

4. oxygen-enriched membrane component according to claim 3, it is characterised in that

The multiple first floor includes：Spaced multiple first floor wide, between two neighboring described first floor wide Multiple first narrow rib plates are set；

The multiple second floor includes：Spaced multiple second floor wide, between two neighboring described second floor wide Multiple second narrow rib plates are set；Wherein

Each described first floor wide caves inward to form first groove from a side surface of its formation first surface；

Each described second floor wide caves inward to form second groove from a side surface of its formation second surface.

5. oxygen-enriched membrane component according to claim 4, it is characterised in that

The part surface away from the first surface of each first floor wide towards second floor extend to it is described Second surface is concordant, and caves inward to form the 3rd groove from the part surface concordant with the second surface；Wherein institute The position that the 3rd groove intersects with the second groove is stated to connect to form crisscross grooves；And/or

The part surface away from the second surface of at least one second floors wide is towards described in the multiple second floor wide First floor extends to concordant with the first surface, and caves inward from the part surface concordant with the first surface Form the 4th groove；The position that wherein described 4th groove intersects with the first groove connects to form crisscross grooves.

6. oxygen-enriched membrane component according to claim 5, it is characterised in that

The quantity of first floor wide is two, and each described second floor wide is divided into trisection by it in the vertical；

The quantity of second floor wide is more than four, and it is equally spaced horizontal arranged；

The aspirating hole is arranged at the horizontal side of the frame in the longitudinal middle part of the frame.

7. oxygen-enriched membrane component according to claim 6, it is characterised in that

It is formed with transversely on one side surface of the formation second surface of multiple second narrow rib plates of the neighbouring aspirating hole The groove for extending and being aligned with the aspirating hole center, to expand the air inflow of the aspirating hole.

8. oxygen-enriched membrane component according to claim 3, it is characterised in that

Both side surface on the inside of the frame circumference cave in respectively it is concordant with the first surface and second surface, with the side The both side surface of frame forms installation groove respectively, and each described oxygen-enriched film layer is embedded in an installation groove；

The both side surface of the frame caves in form a ring wire casing on the periphery of the installation groove respectively, is sealed for filling Glue, each described oxygen-enriched film layer is sealably mounted in an installation groove.

9. oxygen-enriched membrane component according to claim 3, it is characterised in that

First rib-shaped forms chamfering into the edge of a side surface of the first surface；

The edge that second floor forms a side surface of the second surface forms chamfering.

10. a kind of refrigerating device, it is characterised in that including：

Casing, defines storage space in the casing, controlled atmosphere space is provided with the storage space；

Oxygen-enriched membrane component according to any one of claim 1 to 9, its surrounding space connects with the controlled atmosphere space It is logical；With

Aspiration pump, its entrance point is connected via pipeline with the oxygen rich gas collecting chamber of the oxygen-enriched membrane component, will be penetrated Gas in the oxygen rich gas collecting chamber is pumped to the controlled atmosphere outside.