CN206352918U - Possesses the refrigerating device that hyperoxia stores up meat function - Google Patents

Abstract

The utility model provides a kind of refrigerating device for possessing hyperoxia storage meat function, and it includes：Casing, defines storage space in it；First closed component, is arranged in storage space, defines the first closed storing subspace in it；Oxygen-enriched membrane component, is arranged in the first closed component, is provided with oxygen permeable membrane, oxygen-enriched membrane component in it and is formed with oxygen rich gas collecting chamber, its surrounding space is communicated in the first closed storing subspace；Aspiration pump, its inlet end is communicated to oxygen rich gas collecting chamber via exhaust pipe, and the gas of oxygen rich gas collecting chamber is outwards extracted out, so as to reduce the oxygen concentration in the first closed storing subspace；Second closed component, it is also disposed in storage space, the second closed storing subspace is defined in it, the outlet side of aspiration pump is communicated to via gas exhaust piping, to receive the gas from oxygen rich gas collecting chamber, so that oxygen concentration is formed in the second closed storing subspace is beneficial to the atmosphere that red meat is stored higher than 25% and less than 70%.

Description

Possesses the refrigerating device that hyperoxia stores up meat function

Technical field

The utility model is related to storing technical field, more particularly to a kind of refrigerating dress for possessing hyperoxia storage meat function Put.

Background technology

Food is the energy source of people's existence, most important for people.For food storage, main two Aspect is insulation and fresh-keeping, it is however generally that, temperature has obvious for the effect of the microbial activities on food, the enzyme in food Influence, the reduction of temperature can make food delay to go bad, and refrigerator is to maintain a kind of refrigeration plant of constant low temperature, is also that one kind makes Food or other articles keep the product for civilian use of constant low temperature cold conditions.

With the raising of quality of the life, consumer's requirement fresh-keeping to meat product also more and more higher, particularly to raw meat Color and luster, mouthfeel etc. requirement also more and more higher.Therefore, the food of storage should also be as ensureing during storing, the color and luster of food, Mouthfeel, freshness etc. keep constant as far as possible.Therefore user it is also proposed higher requirement to the preservation technology of refrigerator.

But in the prior art, for the fresh-keeping generally stored frozen of raw meat product, on the one hand by freezing, to life The nutritive value of meat produces certain influence, and the raw meat freezed in addition needs to thaw when in use, nutrition generated again secondary again Destruction.And with the growth of pot-life, change also occurs in the outward appearance of meat, the usage experience to consumer bring compared with Big influence.

Utility model content

A purpose of the present utility model is to provide for a kind of there is provided a kind of refrigerating for being capable of hyperoxia storage meat function Device.

The utility model one is further objective is that will cause the refrigerating device for possessing hyperoxia storage meat function may be used also Improve the preservation quality of vegetable and fruit.

The utility model provides a kind of refrigerating device for possessing hyperoxia storage meat function, and it includes：Casing, limit in it Surely there is storage space；First closed component, is arranged in storage space, defines the first closed storing subspace in it；It is oxygen-enriched Membrane module, is arranged in the first closed component, is provided with oxygen permeable membrane in it, and it is close that the surrounding space of oxygen-enriched membrane component is communicated in first Close and oxygen rich gas collecting chamber is formed with storing subspace, oxygen-enriched membrane component；Aspiration pump, its inlet end is connected via exhaust pipe To oxygen rich gas collecting chamber, and it is configured to outwards extract the gas of oxygen rich gas collecting chamber out, to cause around oxygen-enriched membrane component Oxygen in the air-flow of space more passes through the oxygen permeable membrane relative to the nitrogen in the oxygen-enriched membrane component surrounding space air-flow Into oxygen rich gas collecting chamber, so as to reduce the oxygen concentration in the first closed storing subspace；Second closed component, is also provided with The second closed storing subspace is defined in storage space, in it, the second closed storing subspace is connected via gas exhaust piping To the outlet side of aspiration pump, to receive the gas from oxygen rich gas collecting chamber, so as to be formed in the second closed storing subspace Oxygen concentration is beneficial to the atmosphere that red meat is stored higher than 25% and less than 70%.

Alternatively, above-mentioned refrigerating device also includes：First valve, is arranged in exhaust pipe, is configured to control pumping The break-make of pipeline；Second valve, is arranged in gas exhaust piping, is configured to control the break-make of gas exhaust piping, and close in aspiration pump When, the first valve and the second valve are turned off, to ensure the sealing of the first closed component and the second closed component.

Alternatively, above-mentioned refrigerating device also includes：First gas detection means, is arranged at the first closed storing empty In, and be configured to detect the atmosphere index in the first closed storing subspace；Second gas detection means, is arranged at In two closed storing subspaces, and it is configured to detect the atmosphere index in the second closed storing subspace；And aspiration pump It is configured to be turned on and off according to the testing result of first gas detection means and second gas detection means.

Alternatively, aspiration pump is arranged in the compressor room of refrigerating device, and exhaust pipe and gas exhaust piping point In the foaming layer for not being embedded in refrigerating device.

Alternatively, the first closed component includes：First drawer cylinder, with preceding to opening, and is arranged in storage space； First drawer body, is slidably mounted in the first drawer cylinder, with from the forward direction opening of the first drawer cylinder operationally Outwards extract out and be inwardly inserted into, and the forward direction opening formation sealing knot of the end plate of the first drawer body and the first drawer cylinder The first closed storing subspace is formed in structure, the first drawer body.

Alternatively, the accommodating chamber connected with the first closed storing subspace is provided with the roof of the first drawer cylinder, with For arrangement oxygen-enriched membrane component；Opened up in wall between the accommodating chamber of first drawer cylinder roof and the first closed storing subspace There are at least one first passage and at least one second passage opened up with least one first passage interval, with respectively In diverse location connection accommodating chamber and the first closed storing subspace；Refrigerating device also includes blower fan, and blower fan is placed in receiving Intracavitary, via at least one first passage, accommodating chamber and at least one second passage and is returned fresh successively with promoting to be formed The air-flow of subspace.

Alternatively, oxygen-enriched membrane component also includes support frame, and 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 with connect first surface with Multiple gas channels of second surface, multiple gas channels are collectively forming oxygen rich gas collecting chamber；Oxygen permeable membrane is two layers, is spread respectively It is located on the first surface and second surface of support frame, is limited jointly with multiple gas channels with support frame and form oxygen-enriched Gas collection chamber, and support frame is additionally provided with the aspirating hole connected with multiple gas channels, for connecting exhaust pipe.

Alternatively, the 4th intercommunicating pore of controlled opening and closing is also provided with the barrel of the first drawer cylinder, so that the first closed storage Thing subspace is controllably connected with storage space.

Alternatively, the second closed component includes：Second drawer cylinder, with preceding to opening, and is arranged in storage space； Second drawer body, is slidably mounted in the second drawer cylinder, with from the forward direction opening of the second drawer cylinder operationally Outwards extract out and be inwardly inserted into, and the forward direction opening formation sealing knot of the end plate of the second drawer body and the second drawer cylinder The second closed storing subspace is formed in structure, the second drawer body.

Alternatively, the 5th intercommunicating pore of controlled opening and closing is also provided with the barrel of the second drawer cylinder, so that the second closed storage Thing subspace controllably with storage space.

It is of the present utility model to possess the refrigerating device that hyperoxia stores up meat function, creatively propose using oxygen permeable membrane group Part discharges the oxygen in air in the first closed closed storing subspace, so as to be obtained in the first closed storing subspace Rich nitrogen oxygen deprivation is beneficial to the atmosphere of food fresh-keeping.The atmosphere of rich nitrogen oxygen deprivation is by reducing oxygen in fruits and vegetables shelf space Content, the intensity of reduction fruit/vegetable aerobic breathing, while ensureing the respiration on basis, prevents fruits and vegetables from carrying out anaerobic respiration, so that Reach the purpose of fruits and vegetables long-period freshness preserving.Meanwhile, the oxygen that oxygen-enriched membrane component is separated out feeds to the closed storing subspace of closed second, The oxygen concentration of the second closed storing subspace is set to reach between 25% to 75%, so as to ensure in the second closed storing subspace When storing meat, it is ensured that raw meat can persistently keep red shade, the usage experience of user is improved.

Further, refrigerating device of the present utility model, can also be by aspiration pump, gas exhaust piping and pumping The working condition of pipeline is adjusted, to maintain the gas atmosphere of the first closed storing subspace and the second closed storing subspace Enclose.

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 shows the comparison diagram of the fresh-keeping effect of cold fresh meat under different oxygen concentrations；

Fig. 2 is the principle knot of the refrigerating device for possessing hyperoxia storage meat function according to the utility model one embodiment Structure schematic diagram；

Fig. 3 is shown according to the casing of the refrigerating device for possessing hyperoxia storage meat function of the utility model one embodiment Meaning property structure chart；

Fig. 4 is the schematic diagram at another visual angle of structure shown in Fig. 3；

Fig. 5 be according to the utility model one embodiment possess hyperoxia storage meat function refrigerating device it is schematic Local structural graph；

Fig. 6 is the schematic, exploded of structure shown in Fig. 5；

Fig. 7 is oxygen permeable membrane in the refrigerating device for possessing hyperoxia storage meat function according to the utility model one embodiment The exploded view of component；

Fig. 8 be according to the utility model one embodiment possess hyperoxia storage meat function refrigerating device it is schematic Structured flowchart；And

Fig. 9 is connected according to the pipeline of the refrigerating device for possessing hyperoxia storage meat function of the utility model one embodiment Connect schematic diagram.

Embodiment

The utility model embodiment possess hyperoxia storage meat function refrigerating device use oxygen-enriched membrane component and meanwhile for First closed storing subspace of preserving fruit and vegetable utilizing and the second closed storing subspace offer gas for realizing hyperoxia storage meat function Atmosphere.Wherein the operation principle of oxygen-enriched membrane component is infiltration rate difference when oxygen permeable membrane is passed through using each component in air, Under pressure differential driving, make in air oxygen it is preferential by oxygen permeable membrane, in the prior art, oxygen permeable membrane is generally used for preparing oxygen, So as in the field application such as medical treatment, fermentation, burning.In the utility model embodiment, refrigerating device then utilizes oxygen permeable membrane Discharge oxygen so that the oxygen concentration of the first closed storing subspace declines, realize and be beneficial to the atmosphere that fruits and vegetables are preserved, together The oxygen of Shi Liyong discharges, which is realized, is beneficial to the atmosphere that hyperoxia stores up meat.

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

Although in the prior art there is also controlled atmosphere technology, its history can trace back to German biologist's hair in 1821 Existing fruit and vegetable can reduce metabolism in low oxygen level and start.But up to this point, protected due to being conventionally used to controlled atmosphere The fresh equipment of making nitrogen is bulky, with high costs, causes the technology to be substantially also limited to using in various large-scale specialties On storage (typically at least more than 30 tons of storage capacity).Therefore in the prior art one in the small-sized refrigerating equipment such as refrigerator As still use vacuum freshness retaining technology.

In the present embodiment, economically Air-conditioning system is minimized by above-mentioned oxygen-enriched membrane component, mute so that be applicable In the small-sized refrigerating equipment such as refrigerator, while preserving fruit and vegetable utilizing atmosphere is formed, the oxygen shape of discharge is made full use of Into hyperoxia atmosphere.

It can greatly improve the fresh keeping property of storing using air conditioning technology in refrigerating equipment, but different food Corresponding optimal gas composition is that different, such as fresh water fruits and vegetables need relatively low oxygen concentration to suppress aerobic Breathing, consumption of the reduction respiration to idiotrophic material；And for fresh beef, mutton and pork etc., it is referred to as red meat Then need in the oxygen concentration (being referred to as hyperoxia in the present embodiment) being higher than in air, food packaging industry live fresh pork packaging Gaseous state is oxygen-enriched state, and its oxygen concentration is generally 25%-70%, higher than the oxygen content in normal air, therefore Can the long period holding meat be in cerise.

Color in red meat comes from the myoglobins in these animal flesh, and myoglobins is that a kind of played to oxygen transmits work Protein, if oxygen content is too low during storage, can lack oxygen, cause myoglobins and oxygen knot in muscle The position of conjunction is replaced by water, and muscle is in kermesinus or purple；On the contrary, improving the concentration of oxygen, red meat can be made to keep for a long time Red shade, keeps its outward appearance.The atmosphere for being beneficial to hyperoxia storage meat mentioned in the present embodiment refers to oxygen content 25% To 75% gaseous environment.

Fig. 1 shows the comparison diagram of the fresh-keeping effect of cold fresh meat under different oxygen concentrations.Abscissa is represented and put in figure Enter the time in oxygen environment, the time is day；Ordinate represents the juice loss rate of cold fresh meat；Three curves in figure are -2 Under conditions of DEG C, it is respectively adopted after 20%, 45%, 70% oxygen concentration storage sirloin, test is warming up to ox after normal temperature The juice loss rate of lean pork taken under the spinal column of a hog.Wherein curve 1 represents the test result (oxygen concentration close in air) of 20% oxygen concentration； Curve 2 represents the test result of 45% oxygen concentration；Curve 3 represents the test result of 70% oxygen concentration.Can from figure Go out the juice loss rate that oxygen concentration is respectively 45% and 70% keeps rule substantially close with time increase, 70% juice loss It is less slightly.But 20% concentration is compared with other two curves.Just it was significantly larger than other two articles of curves since the 4th day, can sees Go out high oxygen condition compared with normal air state, have significant effect to the fresh-keeping of red meat.

Fig. 2 is the principle knot of the refrigerating device for possessing hyperoxia storage meat function according to the utility model one embodiment Structure schematic diagram, Fig. 3 is the casing of the refrigerating device for possessing hyperoxia storage meat function according to the utility model one embodiment 20 schematic diagrams, Fig. 4 is the schematic diagram at another visual angle of structure shown in Fig. 3.As illustrated, the present embodiment is cold Hiding refrigerating plant may include casing 20, door body (not shown), oxygen-enriched membrane component 30, aspiration pump 40 and refrigeration system (in figure It is not shown).Storage space is defined in the casing 20 of refrigerating device, the storage space can be configured to according to cryogenic temperature Refrigerating chamber 27, refrigerating chamber 25, temperature-changing chamber 26 etc..Refrigerating device can be the ice at least with refrigerating chamber 27 and refrigerating chamber 25 Case.Refrigeration system can be common compression refrigerating system or semiconductor refrigeration system etc., and it is for example, by direct-cooled and/or air-cooled shape Formula provides cold to storing compartment, so that storing compartment has desired preservation temperature.In certain embodiments, cold compartment of refrigerator 27 preservation temperature can be 2~9 DEG C, or can be 4~7 DEG C；The preservation temperature of refrigerating chamber 25 can be -22~-14 DEG C, Huo Zheke For -20~16 DEG C.Refrigerating chamber 25 is arranged at the lower section of refrigerating chamber 27, temperature-changing chamber 26 be arranged at refrigerating chamber 25 and refrigerating chamber 27 it Between.Temperature range in refrigerating chamber 25 is general at -14 DEG C to -22 DEG C.Temperature-changing chamber 26 can be adjusted according to demand, to store conjunction Suitable food.

The first closed component 72 of closed component 71 and second can be provided with storage space.Wherein first closed component 71 Inside define in the first closed storing subspace 271, the second closed component 72 and define the second closed storing subspace 272.The The one closed component 72 of closed component 71 and second can be arranged in any of the above-described inter-species room, and same chamber can be arranged in simultaneously Can also be arranged in it is different between it is indoor.When the first closed component 72 of closed component 71 and second is arranged in same chamber, two Person can be arranged above and below, and can also laterally be arranged in juxtaposition, can be according to refrigerating when the scheme of the present embodiment is embodied The space of device and use demand arrange the first closed component 72 of closed component 71 and second.Such as first closed He of component 71 Second closed component 72, which can be arranged above and below, to be arranged in refrigerating chamber 27, in another example the first closed component 71 can be arranged in refrigeration In room 27, and the second closed component 82 can be arranged in temperature-changing chamber 26.Preferably, it is contemplated that the preservation temperature of meat, preferably It can be arranged in refrigerating chamber 27 using the first closed component, and the second closed component can be arranged in the side in temperature-changing chamber 26 Formula.The first closed component is mainly used in the fresh-keeping storage of fruits and vegetables group food in this case, and the second closed component 82 is used to preserve Meat, the temperature of temperature-changing chamber 26 is preferred to be maintained to spend with 0 to -5, so as to meet the requirement of meat.First closed storing subspace 271 The atmosphere that rich nitrogen oxygen deprivation is beneficial to preserving fruit and vegetable utilizing is formed, and the second closed storing subspace 272 forms oxygen concentration and reached Hyperoxia atmosphere between 25% to 75, beneficial to the antistaling storing to fresh meat (specifically for red meat class).

Door body may be pivotally mounted to casing 20, be configured to open or close the storage space of the restriction of casing 20.In order to protect The sealing of the first closed storing subspace 272 in closed storing subspace 271 and second is demonstrate,proved, door body inner side is also provided with small Door, to open or close the first closed storing subspace 272 in closed storing subspace 271 and second, so as to form two storied gate knot Structure.

Refrigeration system can be the cooling cycle system being made up of compressor, condenser, throttling arrangement and evaporator etc..Compression Machine is installed in compressor room 24.Evaporator is configured to directly or indirectly provide cold into storage space.For example, when this is cold When hiding refrigerating plant for family expenses compression direct cooling refrigerator, evaporator may be disposed on the outside of the rear surface of inner bag 21 or inner side.When this When refrigerating device is family expenses compression wind cooling refrigerator, also there is evaporator room in casing 20, evaporator room passes through wind path system System is connected with storage space, and evaporator is set in evaporator room, and exit is provided with blower fan, to be circulated to storage space Refrigeration.Because such refrigeration system is that those skilled in the art are known and be easily achieved in itself, in order to not cover and obscure this The inventive point of application, does not make more repeat in itself to refrigeration system hereinafter.

In certain embodiments, the refrigerating device can also form the above-mentioned first closed component 71 using drawer structure With the second closed component 72.

By taking the first closed component 71 as an example, the drawer structure to form the first closed storing subspace 271 is introduced.Fig. 5 It is the schematic local structural graph of the refrigerating device for possessing hyperoxia storage meat function according to the utility model one embodiment, And Fig. 6 is the schematic, exploded of structure shown in Fig. 5, the first drawer cylinder can be had by forming the drawer of the first closed component 71 The drawer body 23 of body 22 and first.So as to utilize the first closed storing subspace 271 of drawer type storing compartment formation.First drawer Cylinder 22 has preceding to opening, and is arranged in storage space (such as bottom of refrigerating chamber 27), the first drawer body 23 can be slided It is installed in the first drawer cylinder 22, the front end of the first drawer body 23 is provided with end plate, matches somebody with somebody with the first drawer cylinder 22 dynamicly Close, the opening of the first closed storing subspace 271 can be closed.A kind of specific mode is that the first drawer body 23 can be from first The forward direction opening of drawer cylinder 22 is operationally outwards extracted out and is pushed home into.End plate causes the first closed storage by sealing structure The closure of openings of thing subspace 271.

In some embodiments of the present utility model, the opening of the first drawer cylinder 22 can be with the first drawer body 23 Sealing is formed between end plate, the sealing can suitably gas leakage realize air pressure balance.It can lead in some other embodiments Cross and set the modes such as millimetre-sized micropore or check valve to ensure air pressure balance on the first drawer cylinder 22.

Similar structure can be used by forming the drawer of the second closed component 72.Such as second closed component 72 can be wrapped Include：Second drawer cylinder and the second drawer body.Second drawer cylinder, with preceding to opening, and is arranged in storage space；The Two drawer bodies are slidably mounted on the second drawer cylinder, are operationally outwards taken out with the forward direction opening from the second drawer cylinder Go out and be inwardly inserted into, and the forward direction opening formation sealing structure of the end plate of the second drawer body and the second drawer cylinder, second The second closed storing subspace 272 is formed in drawer body.Its difference is, limits the top of the second closed storing subspace 272 The structure of oxygen-enriched membrane component 30 is placed without setting in portion.

Oxygen-enriched membrane component 30 may be disposed in the cylinder of the first drawer cylinder 22, be preferably provided at the first drawer cylinder 22 Roof.The accommodating chamber connected with the first closed storing subspace 271 is specifically provided with the roof of the first drawer cylinder 22 31.Offered in wall between the closed storing subspace 271 of accommodating chamber 31 and first of the roof of first drawer cylinder 22 to Few first passage 222 and at least one second passage 223 opened up with least one first passage 222 interval, With respectively in the closed storing subspace 271 of diverse location connection accommodating chamber 31 and first, the closed storing of accommodating chamber 31 and first Space 271 is connected via at least one first intercommunicating pore 222 with least one second intercommunicating pore 223；Oxygen-enriched membrane component 30 is set In the top of at least one the second intercommunicating pore 223 in accommodating chamber 31, can be arranged at.Accommodating chamber 31 is constituted and the first closed storing The cyclic space that subspace 271 is connected, so that in the closed storing subspace 271 of oxygen permeable membrane 36 and first in oxygen-enriched membrane component 30 Gas contact.First intercommunicating pore 222 and the second intercommunicating pore 223 are aperture, and quantity can be multiple.It is alternative at some In embodiment, there is recessed groove on the inside of the roof of the first drawer cylinder 22.Oxygen-enriched membrane component 30 is arranged at the first drawer cylinder 22 Roof recessed groove in.

In some embodiments of the present utility model, in order to promote in the first closed storing subspace 271 and accommodating chamber 31 Gas flowing, blower fan 60 can also be set in the accommodating chamber 31 of first closed component 71, blower fan 60 be used to be formed successively via At least one first passage 222, accommodating chamber 31 and at least one second passage 223 simultaneously return to the described first closed storing The air-flow in space, so that promote the gas of the first closed storing subspace 271 to enter accommodating chamber 31 via the first intercommunicating pore 222, And the gas in accommodating chamber 31 is entered the first closed storing subspace 271 via the second intercommunicating pore 223, so as to be formed via richness The air-flow of oxygen membrane module 30.

The position that blower fan 60 is placed in accommodating chamber 31 may be at the top of at least one the first intercommunicating pore 222, and it promotes The gas of one closed storing subspace 271 enters accommodating chamber 31 via at least one first intercommunicating pore 222, and makes in accommodating chamber 31 Gas enter the first closed storing subspace 271 via at least one second intercommunicating pore 223, with by oxygen-enriched membrane component 30 from logical The oxygen separated out in the gas for crossing it.

Blower fan 60 is preferred to use centrifugal blower, can be arranged in gas collection chamber 31 at first intercommunicating pore 222.Namely Say, centrifugal blower 60 is located at the top of at least one the first intercommunicating pore 222, and air inlet is right against the first intercommunicating pore 222.Centrifugation The gas outlet of blower fan 60 can be towards oxygen-enriched membrane component 30.At least one second intercommunicating pore 223 can be located under oxygen-enriched membrane component 30 Side.

The roof of first drawer cylinder 22 includes lower board unit 224 and ceiling plate portion 225, accommodating chamber 31 is limited jointly, for example The upper surface of lower board unit 224 can form recessed groove, and ceiling plate portion 225 is covered on recessed groove, to form accommodating chamber 31.At least one First intercommunicating pore 222 is arranged at roof front portion, and at least one second intercommunicating pore 223 is arranged at roof rear portion.Centrifugal blower 60 is set The front portion of accommodating chamber 31 is placed in, oxygen-enriched membrane component 30 is arranged at the rear portion of accommodating chamber 31.

Oxygen-enriched membrane component 30 has oxygen permeable membrane 36 and an oxygen rich gas collecting chamber, and oxygen permeable membrane 36 side towards oxygen rich gas Collecting chamber, in pressure of the pressure of oxygen rich gas collecting chamber less than the opposite side of oxygen permeable membrane 36, to make the another of oxygen permeable membrane 36 Oxygen in the air of side enters oxygen rich gas collecting chamber through oxygen permeable membrane 36.Specifically, the oxygen-enriched membrane component 30 can be with connecting Circulatory flow (the i.e. accommodating chamber 31) contact of the first closed storing subspace 271 is passed to, so as in oxygen rich gas collecting chamber When pressure is less than the pressure of the first closed storing subspace 271, gas in accommodating chamber 31 is set (to derive from the described first closed storing Subspace 271) in oxygen relative to the nitrogen in the surrounding space air-flow of oxygen-enriched membrane component 30 more through oxygen permeable membrane enter Oxygen rich gas collecting chamber, the oxygen for also forming blower fan 60 in air-flow more enters oxygen-enriched relative to nitrogen through oxygen permeable membrane Gas collection chamber.

Fig. 7 is oxygen permeable membrane in the refrigerating device for possessing hyperoxia storage meat function according to the utility model one embodiment The exploded view of component 30, oxygen-enriched membrane component 30 can be in plate, and the oxygen-enriched membrane component 30 may also include support frame 32.Carriage Frame 32 has the first surface and second surface being parallel to each other, and is formed with and extends on the first surface respectively, on a second surface Extension, and through support frame to connect multiple gas channels of first surface and second surface, multiple gas channels are common Form oxygen rich gas collecting chamber.

Oxygen permeable membrane 36 can be two layers, and the both sides of support frame 32 are layed in respectively, so that closing oxygen rich gas collecting chamber, often Layer oxygen permeable membrane 36 can be laminated to be formed including one or more oxygen permeable membrane.Gas permeation oxygen permeable membrane 36 is a complicated process, It is usually the surface dissolving that gas molecule is adsorbed to oxygen permeable membrane 36 first that it, which passes through mechanism, then the oxygen permeable membrane in oxygen permeable membrane 36 Middle dissolving realizes the separation of gas with the difference of diffusion coefficient.Under gas is acted on due to the pressure differential of the both sides of oxygen permeable membrane 36, The fast oxygen of infiltration rate is enriched with the per-meate side of oxygen permeable membrane 36, so as to converge in oxygen rich gas collecting chamber.

Support frame 32 may include frame, the structure such as floor and/or flat board for being arranged in frame, between floor, floor It can be formed on gas channel, the surface of floor between flat board etc., can open up fluted on the surface of flat board, to form air-flow Passage.Floor and/or flat board can improve structural strength of oxygen-enriched membrane component 30 etc..That is, support frame 32 has mutually Parallel first surface and second surface, and it is internally formed the multiple gas channels connected with first surface and second surface. Two oxygen permeable membranes 36 are laid on the first surface and second surface of support frame 32 respectively, with multiple gas with support frame 32 Closing forms oxygen rich gas collecting chamber to circulation road jointly.

In some embodiments of the present utility model, support frame 32 includes the pumping connected with aforesaid plurality of gas channel Hole 33, is arranged on frame 32, to allow the oxygen in oxygen rich gas collecting chamber to be output.Aspirating hole 33 connects with air extractor 41 It is logical.Oxygen permeable membrane 36 first passes through double faced adhesive tape 34 and is installed on frame, is then sealed by fluid sealant 35.

In certain embodiments, the aforesaid plurality of gas channel that support frame 32 is internally formed can for it is one or more with The cavity that aspirating hole 33 is connected.In certain embodiments, the aforesaid plurality of gas channel that support frame 32 is internally formed can have There is network.

Specifically, support frame 32 may include frame, the structure such as floor and/or flat board for being arranged in frame, floor it Between, can be formed on gas channel, the surface of floor between floor and flat board etc., can open up fluted on the surface of flat board, with Form gas channel.Floor and/or flat board can improve structural strength of oxygen-enriched membrane component 30 etc..

For example support frame 32 has the first surface and second surface being parallel to each other, and support frame 32 is formed with to exist respectively Extend on first surface, extend on a second surface, and through support frame 32 to connect first surface and second surface Multiple gas channels.That is, the plurality of gas channel include extend on the first surface multiple first gas channels, Multiple second gas channels for extending on second surface and through support frame 32 to connect first surface and second surface Multiple 3rd gas channels.Or it is also understood that support frame 32 is formed with multiple first extended on the first surface Gas channel and multiple second gas channels extended on a second surface, and between the first gas channel and the second gas channel Connected by the 3rd gas channel.All gas channels are collectively forming oxygen rich gas collecting chamber.

One or more oxygen permeable membrane formation two oxygen-enriched film layers of planar shaped, be laid on respectively support frame first surface and On second surface, so as to constitute plate shaped oxygen-enriched membrane component 30.

Support frame 32 is formed with the aspirating hole 33 connected with said flow passage, and the connection oxygen rich gas of aspirating hole 33 is collected Chamber, for connecting the entrance point of aspiration pump 40, so as to allow the oxygen rich gas in oxygen rich gas collecting chamber to be output.In aspiration pump During 40 operation, the oxygen being in oxygen rich gas collecting chamber 38 in negative pressure state, the outside air of oxygen-enriched membrane component 30 can continue Oxygen permeable membrane 36 is crossed to enter in oxygen rich gas collecting chamber.Support frame 32 on the whole can generally rectangular shaped framework.

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.That is, foregoing many Individual second floor is arranged on a side surface of aforesaid plurality of first floor.Aforesaid plurality of first floor and aforesaid plurality of second rib The opposite surface of plate forms first surface and second surface respectively；That is, aforesaid plurality of first floor and aforesaid plurality of second floor Opposite surface forms first surface；Aforesaid plurality of second floor and the opposite surface of aforesaid plurality of first floor form the second table Face.Between between the second floor between the first adjacent floor, adjacent and between the first adjacent floor and the second floor Gap forms aforesaid plurality of gas channel.Wherein, the gap between two the first adjacent floors forms and extended on the first surface The first gas channel, the gap between two the second adjacent floors forms the second air-flow extended on a second surface and led to Road, the gap between the first adjacent floor and the second floor is formed connects first surface and second surface through support frame 32 The 3rd gas channel.That is, the chi structure formed by all first floors and all second floors forms aforesaid plurality of air-flow Passage.

Above-mentioned support frame 32 inside its frame by setting multiple first ribs that are longitudinally spaced and extending transversely Plate and in multiple second floors that a side surface of aforesaid plurality of first floor is laterally spaced and extends longitudinally a, so that side Face ensure that the continuity of gas channel, on the other hand greatly reduce the volume of support frame, and significantly enhance branch The intensity of support frame frame 32.In addition, the said structure of support frame 32 ensure that oxygen permeable membrane 36 results in enough supports, even if Preferable flatness can be also remained in the case where oxygen rich gas collecting chamber internal negative pressure is larger, it is ensured that oxygen permeable membrane group The service life of part 30.

Aspirating hole 33 can be arranged at the horizontal side of frame in the longitudinal middle part of frame.So set equivalent to from oxygen permeable membrane The middle part pumping of component 30, is conducive to oxygen permeable membrane 36 uniformly ventilative.Aspirating hole 33 can be stepped hole shoulder hole in other words, with it When being connected by flexible pipe with aspiration pump 40, it is ensured that the air-tightness of connecting portion.In addition, the said structure of support frame 32 ensure that Oxygen permeable membrane 36 results in enough supports, also can be all the time in the case that oxygen rich gas collecting chamber internal negative pressure is larger Keep preferable flatness, it is ensured that the service life of oxygen-enriched membrane component 30.

The inlet end of aspiration pump 40 is communicated to oxygen rich gas collecting chamber via exhaust pipe 51, and is configured to oxygen rich gas The gas of collecting chamber is outwards extracted out, so that at least part oxygen in the first closed storing subspace 271 is entered by oxygen permeable membrane 36 Enter oxygen rich gas collecting chamber, so as to form rich nitrogen oxygen deprivation in the first closed storing subspace 271 in favor of the gas of preserving fruit and vegetable utilizing Body atmosphere.Aspiration pump 40 can be arranged in compressor room 24, can make full use of the space of compressor room 24, other are not taken additionally Place, therefore the additional volumes of refrigerating device will not be increased, the compact conformation of refrigerating device can be made.

In some embodiments of the present utility model, aspiration pump 40 and compressor can be respectively arranged at compressor room 24 Both sides, are spaced, and are superimposed with reducing noise superposition and used heat.For example, aspiration pump 40 may be disposed at closing on for compressor room 24 Door body pivots one end of side.When refrigerating device is side by side combination refrigerator, aspiration pump 40 may be disposed at appointing for compressor room 24 Meaning one end.In other embodiments of the present utility model, aspiration pump 40 closes on compressor setting, and aspiration pump 40 is arranged at compression One end of cabin 24, and between compressor and the side wall of compressor room 24.

In some embodiments of the present utility model, aspiration pump 40 can be installed in seal box, and seal box can pass through peace Dress bottom plate is installed in compressor room 24.The noise and/or used heat that seal box can largely obstruct aspiration pump 40 are outside Propagate.

The oxygen that aspiration pump 40 is extracted out is used to supply to the second closed storing subspace 272 of the second closed component 72.The Two closed storing subspaces 272 are communicated to the outlet side of aspiration pump 40 via gas exhaust piping 52, are received with receiving from oxygen rich gas Collect the gas of chamber, so that oxygen concentration is formed in the second closed storing subspace 272 is beneficial to red meat higher than 25% and less than 70% The atmosphere of storage.

Exhaust pipe 51 and gas exhaust piping 52 can be embedded in the foaming layer of the refrigerating device respectively, in refrigeration In the case that refrigerating plant is wind cooling refrigerator, exhaust pipe 51 and gas exhaust piping 52 can also be arranged in air channel.

Fig. 8 be according to the utility model one embodiment possess hyperoxia storage meat function refrigerating device it is schematic Structured flowchart, and Fig. 9 is the pipeline connection diagram of the refrigerating device according to the utility model one embodiment.Taking out After air pump 40 is run, the oxygen in the first closed storing subspace 271 is discharged into by oxygen-enriched membrane component 30 by aspiration pump 40 Second closed storing subspace 272, while forming the fresh-keeping atmosphere of rich nitrogen oxygen deprivation in the first closed storing subspace 271 Formed in the second closed storing subspace 272 and utilize the fresh-keeping hyperoxia atmosphere of red meat.It should be noted that aspiration pump 40 Start and stop are synchronous typically with the start and stop of blower fan 60, namely start the situation in oxygen rich gas collecting chamber formation negative pressure in aspiration pump 40 Under, blower fan 60 makes the gas of the first closed storing subspace 271 form air-flow in accommodating chamber 31 simultaneously.

In addition to making the process control to form atmosphere, and ensure the first closed component of closed component 71 and second 72 sealing, refrigerating device is additionally provided with the first valve 151 and the second valve 152.Wherein the first valve 151 is arranged at exhaust tube In road 51, it is configured to control the break-make of exhaust pipe 51；Second valve 152, is arranged in gas exhaust piping 52, is configured to control exhaust The break-make of pipeline 52.

When aspiration pump 40 is closed, the first valve 151 and the second valve 152 are turned off, to ensure the first closed component 71 and The sealing of two closed components 72.After the startup of aspiration pump 40, the first valve 151 and the second valve 152 are corresponding open-minded, make gas phase should Flowing.

The refrigerating device for possessing hyperoxia storage meat function of the present embodiment is also provided with：First gas detection means 281 and second gas detection means 282.Wherein first gas detection means 281 is arranged at the first closed storing subspace 271 It is interior, and be configured to detect the atmosphere index in the first closed storing subspace 271.Second gas detection means 282 is set In in the second closed storing subspace 272, and it is configured to detect the atmosphere index in the second closed storing subspace 272； And aspiration pump 40 is configured to be opened according to the testing result of first gas detection means 281 and second gas detection means 282 Open or close.

Above-mentioned gas atmosphere index mainly includes oxygen concentration, first gas detection means 281 and second gas detection dress Putting 282 can include respectively：Oxygen concentration sensor.Oxygen concentration sensor can select diaphragm type galvanic electricity pool, electricity Polytype oxygen concentration sensors such as chemistry, catalysis burning, constant potential electrolytic, in some alternative embodiments, the One gas-detecting device 281 and second gas detection means 282 can also use gas analyzer, for measuring the gas in it Content, particularly including oxygen content, can also include nitrogen content, carbon dioxide content etc..

The control process of aspiration pump 40 can be：Gather first gas detection means 281 and second gas detection means 282 The oxygen concentration of detection, the oxygen concentration in the first closed storing subspace 271 is close beyond default fresh-keeping scope or second When the oxygen concentration for closing storing subspace 272 exceeds 25% to 70% scope, aspiration pump 40 starts, by the first closed storing The oxygen in space 271 is arranged to the second closed storing subspace 272.And it is dense in the oxygen in the first closed storing subspace 271 When degree maintains the oxygen concentration of fresh-keeping scope or the second closed storing subspace 272 beyond 25~70% scope, pumping Pump 40 is closed.

Fresh-keeping requirement has been met in view of the oxygen concentration for being possible to the first closed storing subspace 271 occur, and the The oxygen concentration of two closed storing subspaces 272 is also not reaching to the situation of 25~70% scope, or the second closed storing The oxygen concentration of subspace 272 has reached 25~70% scope, but the oxygen concentration of the first closed storing subspace 271 is also Situations such as fresh-keeping require can not be met.First closed component 71 (such as on the barrel of the first drawer cylinder) is also provided with controlled opening and closing The 4th intercommunicating pore 291 so that the first closed storing subspace 271 is controllably connected with storage space.First closed component 71 The 5th intercommunicating pore of controlled opening and closing can also be provided with the barrel of (such as on the barrel of the second drawer cylinder) second drawer cylinder 292, so that the second closed storing subspace 272 is controllably connected with storage space.

Oxygen concentration in the first closed storing subspace 271 has met fresh-keeping requirement, and the second closed storing is empty Between 272 oxygen concentration be also not reaching to 25~70% scope situation, due to now aspiration pump 40 possibly can not continue from Extract enough oxygen in first closed storing subspace 271 out to provide to the second closed storing subspace 272, now, the 4th connects Through hole 291 is opened, to allow the gas of storing air to enter the first closed storing subspace 271, so that oxygen-enriched membrane component 30 is made It is standby go out more oxygen.Under general state, the 4th intercommunicating pore 291 is remained turned-off.

Oxygen concentration in the second closed storing subspace 272 has reached 25~70% scope, and the first closed storage The oxygen concentration of thing subspace 271 does not meet the situation of fresh-keeping requirement also, because now aspiration pump 40 is from the first closed storing The oxygen extracted out in subspace 271 can not continue to provide to the second closed storing subspace 272, and now, the 5th intercommunicating pore 292 can To open, to allow partial oxidation to be discharged into storage space.Under general state, the 5th intercommunicating pore 292 is remained turned-off.

In addition, above-mentioned rich nitrogen oxygen deprivation can basis in favor of specific oxygen concentration range in the atmosphere of food fresh-keeping The food species placed in first closed storing subspace 271 are determined.Pass through the research to food fresh-keeping characteristic, inventor It was found that the oxidation of oxygen and fruits and vegetables, respiration are closely related, not oxygen concentration is lower, is more conducive to the guarantor of fruits and vegetables Fresh to preserve, too low oxygen content also results in food and the situation of anaerobic respiration occurs, also results in food spoilage.Therefore it is every kind of Fruits and vegetables may have optimal oxygen concentration range, therefore after user places fruits and vegetables in the first closed storing subspace 271, can To set fruits and vegetables type or automatically identify fruits and vegetables type by fridge-freezer, so as to should determine that the first closed storing Space 271 needs the oxygen concentration range maintained.

The refrigerating device for possessing hyperoxia storage meat function of the present embodiment, creatively proposes and uses oxygen-enriched membrane component Oxygen in air in the first closed closed storing subspace 271 is arranged to the second closed storing subspace 272, so that at this The atmosphere that rich nitrogen oxygen deprivation is beneficial to food fresh-keeping is obtained in first closed storing subspace 271.The atmosphere of rich nitrogen oxygen deprivation By reducing the content of oxygen in fruits and vegetables shelf space, the intensity of reduction fruit/vegetable aerobic breathing, while ensureing that the breathing on basis is made With, prevent fruits and vegetables carry out anaerobic respiration, so as to reach the purpose of fruits and vegetables long-period freshness preserving.Meanwhile, the oxygen that oxygen-enriched membrane component 30 is separated out Gas feeds to the closed storing subspace 272 of closed second, and making the oxygen concentration of the second closed storing subspace 272, reach can be with 25% to 70%, to meet the preservation requirement to cold fresh meat.Therefore oxygen-enriched membrane component 30 can be the first of preserving fruit and vegetable utilizing simultaneously Closed storing subspace 271 and realize that the second fresh-keeping closed storing subspace 272 of fresh meat provides atmosphere, so that rich The rich fresh-keeping demand of various kinds of foods of user.

Further, it is of the present utility model to possess the refrigerating device that hyperoxia stores up meat function, can also be by pumping The working condition of pump 40, gas exhaust piping 52 and exhaust pipe 51 is adjusted, to maintain the first closed He of storing subspace 271 The atmosphere of second closed storing subspace 272.

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 possess the refrigerating device that hyperoxia stores up meat function, it is characterised in that including：

Casing, defines storage space in it；

First closed component, is arranged in the storage space, defines the first closed storing subspace in it；

Oxygen-enriched membrane component, is arranged in the described first closed component, is provided with around oxygen permeable membrane, the oxygen-enriched membrane component in it Space is communicated in the described first closed storing subspace, the oxygen-enriched membrane component and is formed with oxygen rich gas collecting chamber；

Aspiration pump, its inlet end is communicated to the oxygen rich gas collecting chamber via exhaust pipe, and is configured to the oxygen rich air The gas of body collecting chamber is outwards extracted out, to cause the oxygen in the oxygen-enriched membrane component surrounding space air-flow oxygen-enriched relative to described Nitrogen in membrane module surrounding space air-flow more enters oxygen rich gas collecting chamber through the oxygen permeable membrane, so as to reduce by first Oxygen concentration in closed storing subspace；

Second closed component, is also disposed in the storage space, defines the second closed storing subspace, described second in it Closed storing subspace is communicated to the outlet side of the aspiration pump via gas exhaust piping, is collected with receiving from the oxygen rich gas The gas of chamber, so that oxygen concentration is formed in the described second closed storing subspace is beneficial to red meat storage higher than 25% and less than 70% The atmosphere of Tibetan.

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

First valve, is arranged in the exhaust pipe, is configured to control the break-make of the exhaust pipe；

Second valve, is arranged in the gas exhaust piping, is configured to control the break-make of the gas exhaust piping, and in the aspiration pump During closing, first valve and second valve are turned off, to ensure the described first closed component and the second closed component Sealing.

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

First gas detection means, is arranged in the described first closed storing subspace, and it is closed to be configured to detection described first Atmosphere index in storing subspace；

Second gas detection means, is arranged in the described second closed storing subspace, and it is closed to be configured to detection described second Atmosphere index in storing subspace；And

The aspiration pump is configured to the detection knot according to the first gas detection means and the second gas detection means Fruit is turned on and off.

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

The aspiration pump is arranged in the compressor room of the refrigerating device, and the exhaust pipe and the blast pipe Road is embedded in the foaming layer of the refrigerating device respectively.

5. refrigerating device according to claim 1, it is characterised in that the first closed component includes：

First drawer cylinder, with preceding to opening, and is arranged in the storage space；

First drawer body, is slidably mounted in the first drawer cylinder, with from the forward direction of the first drawer cylinder Opening is operationally outwards extracted out and is inwardly inserted into, and the end plate of first drawer body and the first drawer cylinder The first closed storing subspace is formed in forward direction opening formation sealing structure, first drawer body.

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

The accommodating chamber connected with the described first closed storing subspace is provided with the roof of the first drawer cylinder, for cloth Put the oxygen-enriched membrane component；Between the accommodating chamber of the first drawer cylinder roof and the first closed storing subspace Wall in offer at least one first passage and with first passage interval is opened up at least one described at least one Second passage, to connect the accommodating chamber and the described first closed storing subspace in diverse location respectively；

The refrigerating device also includes blower fan, and the blower fan is placed in the accommodating chamber, to promote to be formed successively via institute State at least one first passage, the accommodating chamber and at least one described second passage and return to the described first closed storing The air-flow of subspace.

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

The oxygen-enriched membrane component also includes support frame, and it has the first surface and second surface being parallel to each other, and is formed with Extension, the extension on the second surface on the first surface respectively, and it is described to connect through the support frame Multiple gas channels of first surface and the second surface, the multiple gas channel is collectively forming oxygen rich gas collecting chamber；

The oxygen permeable membrane is two layers, on the first surface and second surface that the support frame is laid on respectively, with the branch The multiple gas channel of support frame frame is limited and forms the oxygen rich gas collecting chamber jointly, and the support frame is also set up There is the aspirating hole connected with the multiple gas channel, for connecting the exhaust pipe.

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

The 4th intercommunicating pore of controlled opening and closing is also provided with the barrel of first drawer cylinder, so that the first closed storing subspace Controllably connected with the storage space.

9. refrigerating device according to claim 1, it is characterised in that the second closed component includes：

Second drawer cylinder, with preceding to opening, and is arranged in the storage space；

Second drawer body, is slidably mounted in the second drawer cylinder, with from the forward direction of the second drawer cylinder Opening is operationally outwards extracted out and is inwardly inserted into, and the end plate of second drawer body and the second drawer cylinder The second closed storing subspace is formed in forward direction opening formation sealing structure, second drawer body.

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

The 5th intercommunicating pore of controlled opening and closing is also provided with the barrel of second drawer cylinder, so that the second closed storing subspace Controllably with the storage space.