CN106813442B - Refrigerating device and its fresh-keeping control method - Google Patents
Refrigerating device and its fresh-keeping control method Download PDFInfo
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- CN106813442B CN106813442B CN201611097736.0A CN201611097736A CN106813442B CN 106813442 B CN106813442 B CN 106813442B CN 201611097736 A CN201611097736 A CN 201611097736A CN 106813442 B CN106813442 B CN 106813442B
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- fresh
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- keeping subspace
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The present invention provides a kind of refrigerating device and its fresh-keeping control methods, wherein refrigerating device includes the cabinet for defining storage space, controlled atmosphere membrane module, aspiration pump, wherein, there is closed fresh-keeping subspace in storage space, and aspiration pump is configured to permeate the gas of the fresh-keeping subspace of storage space by controlled atmosphere membrane module, to form the atmosphere for being conducive to food fresh-keeping in the fresh-keeping subspace of storage space, and fresh-keeping control method includes: the type for the food placed in the fresh-keeping subspace of detection；Corresponding fresh-keeping operational mode is determined according to the type of food, refrigerating device is preset there are many corresponding fresh-keeping operational mode of food, every kind of fresh-keeping operational mode is previously provided with a kind of the start-up period of aspiration pump, and the start-up period guarantees that the atmosphere in fresh-keeping subspace meets the storage condition for the food placed in fresh-keeping subspace；Driving aspiration pump is run according to the start-up period determined.To meet the storage requirements of different type food.
Description
Technical field
The present invention relates to storing technical fields, more particularly to a kind of refrigerating device and its fresh-keeping control method.
Background technique
Food is the energy source of people's existence, most important for people.For food storage, main two
Aspect is heat preservation and fresh-keeping, it is however generally that, temperature has the effect of the microbial activities on food, the enzyme in food obvious
Influence, the reduction of temperature can make food delay to go bad, and refrigerator, which is to maintain a kind of refrigeration equipment of constant low temperature and one kind, to be made
Food or other articles keep constant the product for civilian use of low temperature cold conditions.
With the raising of quality of the life, consumer is also higher and higher to the fresh-keeping requirement of storage food, especially to food
The requirement of color, the mouthfeel of object etc. is also higher and higher.Therefore, the food of storage should also be as guaranteeing during storage, the color of food
Pool, mouthfeel, freshness etc. remain unchanged as far as possible.Therefore user also proposed higher want to the preservation technology of refrigerator
It asks.
The preservation technology of refrigerator mainly uses vacuum freshness retaining technology in the prior art, and vacuum freshness retaining food, which eliminates packaging, to be held
Partial air (oxygen) in device, destroys the condition of bacterium and microbial growth, to be effectively prevented food apoilage.
At present through frequently with vacuum freshness retaining mode be that vacuum bag is fresh-keeping and vacuum storing compartment is fresh-keeping.
Fresh-keeping using vacuum bag, consumer stores food every time and requires to carry out vacuuming action, troublesome in poeration, cannot get
Consumer's likes.It is fresh-keeping using vacuum storing compartment, since cabinet etc. is rigid structure, vacuum state is kept, it is true to taking out
The requirement of empty set system is very high, very high to the sealing performance requirement of refrigerator, and one article of every pick-and-place, the new air poured into is more, to ice
The consumption of case energy is larger.
On the other hand under the vacuum environment in refrigerator, food reception cooling capacity is relatively difficult, is particularly disadvantageous for food
Cooling.Further, since being vacuum environment, user opens the needs such as refrigerator doors every time takes very big strength, causes user using not
Just.Although some refrigerators can by pumped vacuum systems to ventilation indoor between vacuum storing, will cause in this way user's waiting compared with
For a long time, poor in timeliness.Vacuum time is longer, and it is serious to will also result in the deformations such as refrigerator body, i.e., it is existing have vacuumize knot
The refrigerator of structure cannot complete vacuum freshness retaining well, need the intensity of cabinet etc. very big, realize that requirement is very high, cost is very high.
Summary of the invention
It is an object of the present invention to provide a kind of refrigerating device that cost is relatively low, of good preservation effect and its fresh-keeping
Control method.
A further object of the present invention is to refrigerating devices to be made and its fresh-keeping control method to meet inhomogeneity
The storage requirements of the food of type.
Present invention firstly provides a kind of fresh-keeping control methods of refrigerating device, and wherein refrigerating device includes limit
Surely there are cabinet, the controlled atmosphere membrane module, aspiration pump of storage space, wherein there is closed fresh-keeping subspace in storage space, and
Aspiration pump is configured to permeate the gas of the fresh-keeping subspace of storage space by controlled atmosphere membrane module, in the fresh-keeping of storage space
The atmosphere for being conducive to food fresh-keeping is formed in subspace, and fresh-keeping control method includes: to place in the fresh-keeping subspace of detection
Food type；Corresponding fresh-keeping operational mode is determined according to the type of food, there are many refrigerating device is preset
The corresponding fresh-keeping operational mode of food, every kind of fresh-keeping operational mode are previously provided with a kind of the start-up period of aspiration pump, start and stop week
Phase guarantees that the atmosphere in fresh-keeping subspace meets the storage condition for the food placed in fresh-keeping subspace；Drive aspiration pump
According to the start-up period operation determined.
Optionally, the step of detecting the type for the food placed in fresh-keeping subspace includes: empty using fresh-keeping son is arranged in
Interior smell sensor detects the smell in fresh-keeping subspace, and determines the food placed in fresh-keeping subspace using smell
Type.
Optionally, the step of detecting the type for the food placed in fresh-keeping subspace includes: to shoot to protect using filming apparatus
The image of fresh subspace, and the image obtained to shooting identifies, to determine the kind for the food placed in fresh-keeping subspace
Class.
Optionally, before the step of detecting the type for the food placed in fresh-keeping subspace further include: detect fresh-keeping son
The event that space is opened and closed；After fresh-keeping subspace is opened and closed, detect whether the food placed in fresh-keeping subspace changes,
And after variation occurs in the food placed in fresh-keeping subspace, the step for detecting the type for the food placed in fresh-keeping subspace is executed
Suddenly.
Optionally, fresh-keeping operational mode is also previously provided with the initial operating time of aspiration pump, and fresh-keeping control method
Further include: after determining that fresh-keeping subspace is opened, driving aspiration pump is remained turned-off；After determining that fresh-keeping subspace is closed,
Drive aspiration pump continuous service initial operating time.
According to another aspect of the present invention, a kind of refrigerating device is additionally provided comprising: cabinet, it is interior to limit
By storage space, there is closed fresh-keeping subspace in storage space；Controlled atmosphere membrane module, surrounding space and fresh-keeping subspace connect
It is logical, and it is provided with controlled atmosphere film, oxygen rich gas collecting chamber is formed in controlled atmosphere membrane module；Aspiration pump, input end are connected to oxygen-enriched
Gas collection chamber, and be configured to outward extract the gas of oxygen rich gas collecting chamber out, so that in fresh-keeping subspace at least partly
Oxygen enters oxygen rich gas collecting chamber by controlled atmosphere film, to reduce the oxygen concentration in fresh-keeping subspace；Food detection device,
For detecting the type for the food placed in fresh-keeping subspace；Controller, the control terminal with food detection device and aspiration pump
It is connected, and is configured to: corresponding fresh-keeping operational mode is determined according to the type of food, there are many refrigerating device is preset
The corresponding fresh-keeping operational mode of food, every kind of fresh-keeping operational mode are previously provided with a kind of the start-up period of aspiration pump, start and stop week
Phase guarantees that the atmosphere in fresh-keeping subspace meets the storage condition for the food placed in fresh-keeping subspace；Drive aspiration pump
According to the start-up period operation determined.
Optionally, food detection device includes: smell sensor, is arranged in fresh-keeping subspace, and is configured to detection and protects
Smell in fresh subspace；And controller is configured to determine the type for the food placed in fresh-keeping subspace using smell.
Optionally, food detection device includes: filming apparatus, is configured to shoot the image of fresh-keeping subspace；And it controls
Device is configured to identify the image that shooting obtains, to determine the type for the food placed in fresh-keeping subspace.
Optionally, above-mentioned refrigerating device further include: open-closed detector is configured to detect what fresh-keeping subspace was opened and closed
Event；Spatial detector is configured to after fresh-keeping subspace is opened and closed, and detects whether the food placed in fresh-keeping subspace occurs
Variation；Controller is configured to the food placed in fresh-keeping subspace and occurs after changing, and executes to detect and put in fresh-keeping subspace
The step of type for the food set.
Optionally, fresh-keeping operational mode is also previously provided with the initial operating time of the aspiration pump, and controller is also
Be configured to: after open-closed detector determines that fresh-keeping subspace is opened, driving aspiration pump is remained turned-off；It is determined in open-closed detector
After fresh-keeping subspace is closed, aspiration pump continuous service initial operating time is driven.
Refrigerating device of the invention and its fresh-keeping control method creatively propose (such as rich using controlled atmosphere film
Oxygen film) space is discharged in the particular kind of gas (such as oxygen) in air in closed fresh-keeping subspace by component, thus
Obtained in the space rich nitrogen oxygen deprivation or other in favor of food fresh-keeping atmosphere.Such as the atmosphere of rich nitrogen oxygen deprivation
By reducing the content of oxygen in fruits and vegetables shelf space, the intensity of fruit/vegetable aerobic breathing is reduced, while guaranteeing that the breathing on basis is made
With, prevent fruits and vegetables carry out anaerobic respiration, to achieve the purpose that fruits and vegetables long-period freshness preserving.Also, the present invention also according to save food
Atmosphere is maintained at most beneficial under conditions of this kind of food, stores up to meet food to the greatest extent by the type of object
The needs deposited.
Further, it is empty can to automatically identify fresh-keeping son for refrigerating device of the invention and its fresh-keeping control method
The type of the food of interior placement, to accordingly select optimal fresh-keeping mode, without the intervention of user, intelligence degree is high,
Substantially increase ease of use and the experience of user.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic illustration of refrigerating device according to an embodiment of the invention；
Fig. 2 is the schematic diagram of refrigerating device according to an embodiment of the invention；
Fig. 3 is the schematic diagram at another visual angle of structure shown in Fig. 2；
Fig. 4 is the schematic local structural graph of refrigerating device according to an embodiment of the invention；
Fig. 5 is the schematic, exploded of structure shown in Fig. 4；
Fig. 6 is the exploded view of controlled atmosphere membrane module in refrigerating device according to an embodiment of the invention；
Fig. 7 is the schematic block diagram of refrigerating device according to an embodiment of the invention；
Fig. 8 is the schematic diagram of the fresh-keeping control method of refrigerating device according to an embodiment of the invention；And
Fig. 9 is one applied to refrigerator of the fresh-keeping control method of refrigerating device according to an embodiment of the invention
Kind executes process.
Specific embodiment
The refrigerating device of the embodiment of the present invention is formed in fresh-keeping subspace using controlled atmosphere film to be met article storing and wants
The atmosphere asked, such as the atmosphere for taking oxygen permeable membrane to form oxygen-enriched poor nitrogen.Wherein the working principle of oxygen permeable membrane is to utilize
Infiltration rate difference when each component penetrates oxygen permeable membrane in air makes oxygen in air preferentially pass through richness under pressure difference driving
Oxygen film, in the prior art, oxygen permeable membrane are generally used for preparing oxygen, to apply in fields such as medical treatment, fermentation, burnings.
In embodiments of the present invention, then oxygen is discharged using controlled atmosphere film in refrigerating device, so that fresh-keeping subspace
Oxygen concentration decline is realized and is conducive to the atmosphere that food saves.Controlled atmosphere film can all permeate all gas, only
Gas with various has different penetration degrees.Gas is a complicated process through controlled atmosphere film, is usually gas through mechanism
Body molecule is adsorbed to the surface dissolution of controlled atmosphere film first, then spreads in controlled atmosphere film, finally solves from the other side of controlled atmosphere film
It sucks out.Controlled atmosphere membrane separation technique dissolves in controlled atmosphere film with the difference of diffusion coefficient point for realizing gas by gas with various
From.When mixed gas is under certain driving force (pressure differences or pressure ratio of controlled atmosphere film two sides) effect, infiltration rate is quite fast
Gas such as oxygen, hydrogen, helium, hydrogen sulfide, carbon dioxide be enriched with through after controlled atmosphere film in the per-meate side of controlled atmosphere film,
And the relatively slow gas such as nitrogen, carbon monoxide etc. of infiltration rate is trapped in the delay side of controlled atmosphere film by enrichment to reach mixed
Close the purpose of gas separation.
In the present embodiment, controlled atmosphere technology stores the atmosphere (gas componant of enclosure space locating for object by adjusting
Ratio or gas pressure) mode come come the technology that extends shelf life of food products, basic principle are as follows: in certain enclosure space
In (fresh-keeping subspace 271), the atmosphere different from normal air constituent is obtained by various regulative modes, to inhibit to cause
Store the activity of object (usually food) putrid and deteriorated physiological and biochemical procedure and microorganism.Particularly, in the present embodiment, institute
The controlled atmosphere of discussion will be specifically in the controlled atmosphere technology that gas component ratio is adjusted.
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 field,
It generallys use and is filled with nitrogen-rich gas to enclosure space to reduce the mode of oxygen content and obtain the fresh-keeping gas atmosphere of rich nitrogen oxygen deprivation
It encloses.Those skilled in the art will be appreciated that nitrogen-rich gas refers to that nitrogen content is more than the gas of nitrogen content in above-mentioned normal air
Body, such as nitrogen content therein can be 95%~99%, even higher；And the fresh-keeping atmosphere of rich nitrogen oxygen deprivation refers to nitrogen
Content is lower than the atmosphere of oxygen content in above-mentioned normal air more than nitrogen content, oxygen content in above-mentioned normal air.
Although German biologist's hair can be traced by 1821 in history in the prior art there is also controlled atmosphere technology
Existing fruit and vegetable can be reduced metabolism in low oxygen level and start.But it up to this point, is protected due to being conventionally used to controlled atmosphere
The fresh equipment of making nitrogen is bulky, with high costs, and the technology is caused substantially also to be limited to using the profession in various large sizes
On storage (generally at least 30 tons or more 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, by above-mentioned controlled atmosphere membrane module economically by Air-conditioning system miniaturization, mute, to be applicable in
In the small-sized refrigerating equipment such as refrigerator, introduction about the construction is as follows:
Fig. 1 is the schematic illustration of refrigerating device according to an embodiment of the invention, and Fig. 2 is according to the present invention one
The schematic diagram of the refrigerating device of a embodiment, Fig. 3 are the schematic structures at another visual angle of structure shown in Fig. 2
Figure.It may include that cabinet 20, door body (are not shown in figure as shown, the embodiment of the invention provides a kind of refrigerating device
Out), controlled atmosphere membrane module 30, aspiration pump 40 and refrigeration system (not shown).It is defined in the cabinet 20 of refrigerating device
Storage space, the storage space can be configured to refrigerating chamber 27, freezing chamber 25, temperature-changing chamber 26 etc. according to cryogenic temperature.It refrigerates cold
Freezing device can be refrigerator at least with refrigerating chamber 27 and freezing chamber 25.Refrigeration system can be common compression refrigerating system or half
Conductor refrigeration system etc. provides cooling capacity to storage room for example, by direct-cooled and/or air-cooled form, so that storage room has
Desired preservation temperature.In some embodiments, the preservation temperature of cold compartment of refrigerator 27 can be 2~9 DEG C, or can be 4~7
℃；The preservation temperature of freezing chamber 25 can be -22~-14 DEG C, or can be -20~16 DEG C.Freezing chamber 25 is set to refrigerating chamber 27
Lower section, temperature-changing chamber 26 is set between freezing chamber 25 and refrigerating chamber 27.Temperature range in freezing chamber 25 is generally at -14 DEG C
To -22 DEG C.Temperature-changing chamber 26 can be adjusted according to demand, to store suitable food.
In the present embodiment, closed fresh-keeping subspace 271 is formed in storage space, which can be with
It is set in any of the above-described inter-species room, is preferentially configured in refrigerating chamber 27 and temperature-changing chamber 26.Such as fresh-keeping subspace 271 can be set
Set the lower part storage space in refrigerating chamber 27.
Door body may be pivotally mounted to cabinet 20, be configured to open or close the storage space of the restriction of cabinet 20.In order to protect
The leakproofness of fresh-keeping subspace 271 is demonstrate,proved, inner side of door is also provided with wicket, to open or close fresh-keeping subspace 271, from
And form layer door structure.In some alternative embodiments, which can also be formed using drawer
State fresh-keeping subspace 271.Drawer can have drawer cylinder 22 and drawer body 23.Fresh-keeping son is formed using drawer type storage room
Space 271.
Drawer cylinder 22 has forward opening, and is set in storage space (such as lower part of refrigerating chamber 27), drawer sheet
Body 23 is slidably mounted on drawer cylinder 22, and the front end of drawer body 23 is provided with end plate, cooperates with drawer cylinder 22, can be with
Close the opening of fresh-keeping subspace 271.A kind of specific mode is that drawer body 23 can from the forward opening of drawer cylinder 22
Operatively extracts out and be pushed home into outward.End plate makes the closure of openings of fresh-keeping subspace 271 by sealing structure.
In some embodiments of the invention, drawer cylinder 22 can be sealed with being formed between the end plate of drawer body 23
Portion, the sealing can appropriate gas leakage realization air pressure balances.It can be by drawer cylinder 22 in some other embodiments
The modes such as millimetre-sized micropore or check valve are set and guarantee air pressure balance.
Refrigeration system can be the cooling cycle system being made of compressor, condenser, throttling set and evaporator etc..Compression
Machine is installed in compressor room 24.Evaporator is configured to directly or indirectly provide cooling capacity into storage space.For example, when this is cold
When hiding refrigerating plant is household compression direct cooling refrigerator, evaporator may be disposed on the outside of the rear surface of liner 21 or inside.When this
When refrigerating device is household compression wind cooling refrigerator, also there is evaporator room in cabinet 20, evaporator room passes through wind path system
System is connected to storage space, and evaporator is arranged in evaporator room, and exit is provided with blower, to be recycled to storage space
Refrigeration.Since such refrigeration system itself is that those skilled in the art are known and be easily achieved, in order not to cover and obscure this
The inventive point of application does not hereinafter repeat refrigeration system itself more.
Controlled atmosphere membrane module 30 has controlled atmosphere film and oxygen rich gas collecting chamber, around the pressure of oxygen rich gas collecting chamber is less than
When the pressure of environment, the gas (most of oxygen) of ambient enviroment enters controlled atmosphere oxygen rich gas collecting chamber through controlled atmosphere film.Specifically
The other side on ground, controlled atmosphere film can directly be contacted with fresh-keeping subspace 271, or with the circulatory flow that is connected to fresh-keeping subspace 271
(or cyclic space) contact, so as to make fresh-keeping subspace in pressure of the pressure of oxygen rich gas collecting chamber less than subspace
Controlled atmosphere gas in 271 in air enters oxygen rich gas collecting chamber through controlled atmosphere film, using oxygen permeable membrane, fresh-keeping son
The oxygen in space 271 is extracted, to make the atmosphere of the fresh-keeping formation of subspace 271 oxygen deprivation.
Aspiration pump 40 can be set in compressor room 24, and the input end of aspiration pump 40 is via pipeline 50 and controlled atmosphere membrane module
30 oxygen rich gas collecting chamber connection, is configured to outward extract the gas of oxygen rich gas collecting chamber out, so that fresh-keeping subspace 271
Interior at least partly oxygen enters oxygen rich gas collecting chamber by controlled atmosphere film, to reduce the oxygen concentration in fresh-keeping subspace.
Aspiration pump 40 is configured to the gas by oxygen rich gas collecting chamber rich in oxygen and extracts out, reduces the oxygen concentration of fresh-keeping subspace 271.
Rich nitrogen oxygen deprivation is obtained in fresh-keeping subspace 271 in favor of the atmosphere of food fresh-keeping.
Refrigerating device of the invention can make to be formed rich nitrogen oxygen deprivation in fresh-keeping subspace 271 in favor of the gas of food fresh-keeping
Body atmosphere, the atmosphere reduce the intensity of fruit/vegetable aerobic breathing, simultaneously by the content of oxygen in reduction fruits and vegetables shelf space
The respiration for guaranteeing basis prevents fruits and vegetables from carrying out anaerobic respiration, to achieve the purpose that fruits and vegetables long-period freshness preserving.Moreover, the gas
Body atmosphere also has the gases such as a large amount of nitrogen, will not reduce article in subspace by cold efficiency, fruits and vegetables etc. can be made effective
To storage.Aspiration pump 40 is set in compressor room 24, can make full use of 24 space of compressor room, does not occupy other ground additionally
Side, therefore not will increase the additional volumes of refrigerating device, the compact-sized of refrigerating device can be made.
In some embodiments of the invention, aspiration pump 40 and compressor can be respectively arranged at the two of compressor room 24
Side is spaced each other, so that the distance of 40 Range compress machine of aspiration pump is distant, reduces noise superposition and waste heat superposition.For example, taking out
Air pump 40 may be disposed at the one end of compressor room 24 closed on door body and pivot side.When refrigerating device is side by side combination refrigerator,
Aspiration pump 40 may be disposed at any position of compressor room 24.In other embodiments of the invention, aspiration pump 40 can also be with
Neighbouring compressor is arranged, such as aspiration pump 40 is set to one end of compressor room 24, and in compressor and compressor room 24
Between side wall.
In some embodiments of the invention, aspiration pump 40 can be installed in seal box, and seal box can be by installing bottom
Plate is installed in compressor room 24.Seal box can largely obstruct the noise of aspiration pump 40 and/or waste heat is propagated outward.
Fig. 4 is the schematic local structural graph of refrigerating device according to an embodiment of the invention and Fig. 5 is figure
The schematic, exploded of structure shown in 4, controlled atmosphere membrane module 30 may be disposed in the cylinder of drawer cylinder 22, be preferably provided at pumping
The roof of drawer cylinder 22.The accommodating chamber 31 being connected to fresh-keeping subspace 271 is specifically provided in the roof of drawer cylinder 22.It takes out
At least one first venthole is offered in wall surface between the accommodating chamber 31 and fresh-keeping subspace 271 of the roof of drawer cylinder 22
222 and it is spaced at least one second venthole 223 for opening up at least one first venthole 222, respectively in different location
It is connected to accommodating chamber 31 and fresh-keeping subspace 271, accommodating chamber 31 and fresh-keeping subspace 271 are via at least one the first intercommunicating pore 222
It is connected to at least one second intercommunicating pore 223；Controlled atmosphere membrane module 30 is set in accommodating chamber 31, can be set at least one
The top of two intercommunicating pores 223.Accommodating chamber 31 constitutes the cyclic space being connected to fresh-keeping subspace 271, so that controlled atmosphere membrane module 30
In controlled atmosphere film 36 contacted with the gas in fresh-keeping subspace 271.First intercommunicating pore 222 and the second intercommunicating pore 223 are aperture,
And quantity can be multiple.In some alternate embodiments, there is recessed groove on the inside of the roof of the first drawer cylinder 22.Controlled atmosphere
Membrane module 30 is set in the recessed groove of the roof of the first drawer cylinder 22.
In some embodiments of the invention, in order to promote fresh-keeping subspace 271 and the gas in accommodating chamber 31 to flow, the
Blower 60 can also be set in the accommodating chamber 31 of one closed component 71, and blower 60 is used to form successively first logical via at least one
Stomata 222, accommodating chamber 31 and at least one second venthole 223 and the air-flow for returning to the fresh-keeping subspace 271, to promote
The gas of fresh-keeping subspace 271 enters accommodating chamber 31 via the first intercommunicating pore 222, and makes the gas in accommodating chamber 31 via second
Intercommunicating pore 223 enters fresh-keeping subspace 271, to form the air-flow via controlled atmosphere membrane module 30.
The position that blower 60 is placed in accommodating chamber 31 may be at the top of at least one the first intercommunicating pore 222, promote to protect
The gas of fresh subspace 271 enters accommodating chamber 31 via at least one first intercommunicating pore 222, and passes through the gas in accommodating chamber 31
Fresh-keeping subspace 271 is entered by least one second intercommunicating pore 223, to be precipitated from the gas by it by controlled atmosphere membrane module 30
Oxygen.
Blower 60 preferably uses centrifugal blower, can be set in gas collection chamber 31 at first intercommunicating pore 222.Namely
It says, 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
It the gas outlet of blower 60 can be towards controlled atmosphere membrane module 30.At least one second intercommunicating pore 223 can be located under controlled atmosphere membrane module 30
Side.
The roof of first drawer cylinder 22 includes lower board unit 224 and ceiling plate portion 225, limits accommodating chamber 31 jointly, such as
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 set to roof front, at least one second intercommunicating pore 223 is set to roof rear portion.Centrifugal blower 60 is set
It is placed in the front of accommodating chamber 31, controlled atmosphere membrane module 30 is set to the rear portion of accommodating chamber 31.
Controlled atmosphere membrane module 30 has controlled atmosphere film 36 and oxygen rich gas collecting chamber, and the side of controlled atmosphere film 36 is towards oxygen rich gas
Collecting chamber, to make the another of controlled atmosphere film 36 in pressure of the pressure of oxygen rich gas collecting chamber less than the other side of controlled atmosphere film 36
Oxygen in the air of side enters oxygen rich gas collecting chamber through controlled atmosphere film 36.Specifically, which can be with company
Circulatory flow (the i.e. accommodating chamber 31) contact of fresh-keeping subspace 271 is passed to, so as to be less than in the pressure of oxygen rich gas collecting chamber
When the pressure of fresh-keeping subspace 271, make oxygen in gas in accommodating chamber 31 (from the fresh-keeping subspace 271) relative to
Nitrogen in 30 surrounding space air-flow of controlled atmosphere membrane module more penetrates controlled atmosphere film and enters oxygen rich gas collecting chamber, also i.e. by blower
Oxygen in 60 formation air-flows more penetrates controlled atmosphere film relative to nitrogen and enters oxygen rich gas collecting chamber.Multiple first closed groups
Part 71 can use identical structure, and specific size, which can according to need, is set as identical or different.
Fig. 6 is the exploded view of controlled atmosphere membrane module 30 in refrigerating device according to an embodiment of the invention, controlled atmosphere film
Component 30 can be in plate, which may also include braced frame 32.Braced frame 32 has the to be parallel to each other
One surface and second surface are formed with and extend on the first surface respectively, extend on a second surface, and run through braced frame
To be connected to multiple airflow channels of first surface and second surface, oxygen rich gas collecting chamber is collectively formed in multiple airflow channels.
Controlled atmosphere film 36 can be two layers, be layed in the two sides of braced frame 32 respectively, so that closing oxygen rich gas collecting chamber, often
Layer controlled atmosphere film 36, which may include that one or more controlled atmosphere film layer is folded, to be formed.Gas is a complicated process through controlled atmosphere film 36,
It is usually the surface dissolution that gas molecule is adsorbed to controlled atmosphere film 36 first that it, which penetrates mechanism, then the controlled atmosphere film in controlled atmosphere film 36
It is middle to dissolve with the difference of diffusion coefficient the separation for realizing gas.Under gas is acted on due to the pressure difference of 36 two sides of controlled atmosphere film,
The fast oxygen of infiltration rate is enriched in the per-meate side of controlled atmosphere film 36, to converge in oxygen rich gas collecting chamber.
Braced frame 32 may include frame, the structures such as floor and/or plate for being set in frame, between floor, floor
Can form airflow channel between plate etc., can be opened up on the surface of floor, on the surface of plate it is fluted, to form air-flow
Channel.The structural strength etc. of controlled atmosphere membrane module 30 can be improved in floor and/or plate.That is, braced frame 32 has mutually
Parallel first surface and second surface, and inside is formed with the multiple airflow channels being connected to first surface and second surface.
Two controlled atmosphere films 36 are laid on respectively in the first surface and second surface of braced frame 32, with multiple gas with braced frame 32
Circulation road is closed jointly and forms oxygen rich gas collecting chamber.
In some embodiments of the invention, braced frame 32 includes the aspirating hole being connected to aforesaid plurality of airflow channel
33, it is set on frame 32, to allow the oxygen in oxygen rich gas collecting chamber to be exported.Aspirating hole 33 and air extractor 41 connect
It is logical.Controlled atmosphere film 36 first passes through double-sided adhesive 34 and is installed on frame, is then sealed by sealant 35.
In some embodiments, the aforesaid plurality of airflow channel formed inside braced frame 32 can for it is one or more with
The cavity that aspirating hole 33 is connected to.In some embodiments, the aforesaid plurality of airflow channel formed inside braced frame 32 can have
There is network.
Specifically, braced frame 32 may include frame, the structures such as floor and/or plate for being set in frame, floor it
Between, can form airflow channel between floor and plate etc., can be opened up on the surface of floor, on the surface of plate it is fluted, with
Form airflow channel.The structural strength etc. of controlled atmosphere membrane module 30 can be improved in floor and/or plate.
Such as braced frame 32 has the first surface and second surface being parallel to each other, braced frame 32 is formed with to exist respectively
Extend on first surface, extend on a second surface, and through braced frame 32 to be connected to first surface and second surface
Multiple airflow channels.That is, multiple airflow channel includes multiple first airflow channels, the In extended on the first surface
Multiple second airflow channels for extending on second surface and through braced frame 32 to be connected to first surface and second surface
Multiple third airflow channels.Or it is also understood that braced frame 32 is formed with multiple first extended on the first surface
Airflow channel and multiple second airflow channels extended on a second surface, and between the first airflow channel and the second airflow channel
It is connected to by third airflow channel.Oxygen rich gas collecting chamber is collectively formed in all airflow channels.
One or more controlled atmosphere film formed two planar shaped controlled atmosphere film layers, be laid on respectively braced frame first surface and
On second surface, to constitute plate shaped controlled atmosphere membrane module 30.
Braced frame 32 is formed with the aspirating hole 33 being connected to said flow channel, and aspirating hole 33 is connected to oxygen rich gas and collects
Chamber, for connecting the input end of aspiration pump 40, so that the oxygen rich gas in oxygen rich gas collecting chamber be allowed to be exported.In aspiration pump
When 40 operation, negative pressure state is in oxygen rich gas collecting chamber 38, the oxygen in 30 outside air of controlled atmosphere membrane module can continue
Controlled atmosphere film 36 is crossed to enter in oxygen rich gas collecting chamber.Braced frame 32 on the whole can generally rectangular shaped frame.
In some embodiments, braced frame 32 can include: frame, multiple first floors and multiple second floors.Before
It states multiple first floors and longitudinally spaced setting and is extended transversely, and the side table of aforesaid plurality of first floor inside frame
Face forms first surface.Multiple second floors are in the laterally spaced setting in another side surface of aforesaid plurality of first floor and along vertical
Second surface is formed to the side surface far from the first floor of extension, and aforesaid plurality of second floor.That is, aforementioned more
A 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 is respectively formed first surface and second surface；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 adjacent the first floor and the second floor
Gap forms aforesaid plurality of airflow channel.Wherein, the gap between two adjacent first floors forms and extends on the first surface
The first airflow channel, it is logical that the gap between two adjacent second floors forms the second air-flow extended on a second surface
Road, the gap between the first adjacent floor and the second floor, which is formed, is connected to first surface and second surface through braced frame 32
Third airflow channel.That is, forming aforesaid plurality of air-flow by the intersection construction that all first floors and all second floors are formed
Channel.
Above-mentioned braced frame 32 inside its frame by being arranged multiple first ribs that are longitudinally spaced and extending transversely
Plate and multiple second floors that are laterally spaced in a side surface of aforesaid plurality of first floor and extending longitudinally, thus a side
Face ensure that the continuity of airflow channel, on the other hand greatly reduce the volume of braced frame, and significantly enhance branch
The intensity of support frame frame 32.In addition, the above structure of braced frame 32 ensure that controlled atmosphere film 36 can obtain enough supports, even if
Preferable flatness can be also remained in the biggish situation of oxygen rich gas collecting chamber internal negative pressure, ensure that controlled atmosphere film group
The service life of part 30.
Aspirating hole 33 can be set to the lateral side of frame in the longitudinal middle part of frame.Setting is equivalent to from controlled atmosphere film in this way
The middle part of component 30 is evacuated, and it is uniformly ventilative to be conducive to controlled atmosphere film 36.Aspirating hole 33 can be stepped hole stepped hole in other words, at it
When connecting by hose with aspiration pump 40, guarantee the air-tightness of connecting portion.
In addition, the above structure of braced frame 32 ensure that controlled atmosphere film 36 can obtain enough supports, even if oxygen-enriched
Preferable flatness can be also remained in the biggish situation of gas collection chamber internal negative pressure, ensure that controlled atmosphere membrane module 30
Service life.
The inlet end of aspiration pump 40 is separately connected aspirating hole 33 via exhaust pipe 51, to be connected to multiple first closed groups
The oxygen rich gas collecting chamber of controlled atmosphere membrane module 30 in part 71, and be configured to outward extract the gas of oxygen rich gas collecting chamber out,
So that the oxygen content in fresh-keeping subspace 271 constantly reduces, thus formed in fresh-keeping subspace 271 rich nitrogen oxygen deprivation in favor of
The atmosphere of food fresh-keeping.Aspiration pump 40 can be set in that in compressor room 24, can make full use of 24 space of compressor room, no
It is additional to occupy elsewhere, therefore not will increase the additional volumes of refrigerating device, the structure of refrigerating device can be made tight
It gathers.
Fig. 7 is the schematic block diagram of refrigerating device according to an embodiment of the invention.The refrigerating device is also set
It is equipped with: controller 110, human-computer interaction device 120, open-closed detector 130, food detection device 150, spatial detector 160.Food
Analyte detection device 150 can be realized using smell sensor or filming apparatus.
Controller 110 is used to control the adjustment of the gas of refrigerating device, according to being protected in fresh-keeping subspace 271
The type of object of suffering from indigestion carries out gas adjustment, it is corresponding control aspiration pump 40 (can also be including blower 60 etc. for bypassing air through gas
Adjust the component of film).
Food detection device 150 is used to detect the type for the food placed in fresh-keeping subspace.Food detection device 150 is examined
The type for surveying food can be accomplished in several ways, for example, smell sensor is arranged in fresh-keeping subspace 271, due to not
The smell volatilized with food is different, and smell sensor can be used for detecting the smell in fresh-keeping subspace.Smell sensor, will
The message reflections such as pressure (concentration) of gas are to press signal to deserved in fresh-keeping subspace, can be used as electronic nose and (manually smell
Feel system) component part.By the array of the multiple smell sensor compositions of arrangement multiclass, the function of identification smell is realized.Gas
Taste sensor can use metal-oxide semiconductor (MOS), conducting polymer, quartz crystal oscillator, surface acoustic wave, organic semiconductor, L-B
Probe is made in the materials such as film, using different odor sensor to complicated gas various composition have response but it is different this
Feature identifies a variety of smells by data processing method.If necessary, controller 110 can by means of cloud into
The pattern-recognition of promoting the circulation of qi taste, such as the measurement result of smell sensor is uploaded, pattern-recognition is carried out by cloud device, by
Controller 110 selects corresponding fresh-keeping mode using the food species identified.
The type that food detection device 150 detects food can also be carried out by way of image recognition.Such as fresh-keeping
Filming apparatus is arranged in storage space where subspace 271, is configured to shoot the image of fresh-keeping subspace.Pass through controller
110 pairs of images obtained to shooting identify, to determine the type for the food placed in fresh-keeping subspace.In the process
In, controller 110 can carry out the pattern-recognition of image by means of cloud, such as the image of shooting is uploaded, by cloud
End equipment carries out pattern-recognition, selects corresponding fresh-keeping mode using the food species identified by controller 110.
The operating mode of both the above food detection device 150 is only to enumerate, and in the present embodiment, can also pass through barcode scanning
Or other similar mode determines the food species for being put into fresh-keeping subspace 271.
Refrigerating device can preset that there are many fresh-keeping operational mode (such as fresh-keeping of vegetables, fruit freshness preserving, meats
It is fresh-keeping, fish are fresh-keeping etc.).Controller 110 can determine corresponding fresh-keeping operational mode, every kind of guarantor according to the information of food
Fresh operational mode is previously provided with a kind of the start-up period of aspiration pump 40, and the start-up period guarantees the gas in fresh-keeping subspace 271
Atmosphere meets the storage condition of the food saved in fresh-keeping subspace 271；The control terminal phase of controller 110 and aspiration pump 40
Even, aspiration pump 40 can be driven to run according to the start-up period determined.
By the research to food fresh-keeping characteristic, inventor has found that oxidation, the respiration of oxygen and food are close
Cut phase is closed, and traditional viewpoint thinks that oxygen concentration is lower, is more conducive to the preservation of food, however passes through inventor by measuring greatly
The summary of examination show that traditional viewpoint is simultaneously incorrect, and every kind of food has optimal preservation atmosphere.Table 1 shows one
Divide the oxygen level of the best storage ambient of vegetables and fruits:
Table 1
| Vegetables and fruits type | Oxygen concentration (unit %) |
| Spinach | 1 |
| Cabbage | 2.5-5 |
| Wild cabbage | 2.5-5 |
| Cauliflower | 2.5 |
| Asparagus | 2.5-5 |
| Lettuce | 1 |
| Apple | 3 |
| Pears | 1 |
| Tomato | 3 |
| Green soya bean | 2 |
It, can be with therefore in the present embodiment it can be seen from Table 1 that different food has different preferred Conservation environments
It is tested previously according to the preferred Conservation environment of food, fresh-keeping operational mode is set, by gas in fresh-keeping subspace 271
Leak case, aspiration pump 40 the rule of the speed of evacuation summarize so that the opening according to fresh-keeping operational mode of aspiration pump 40
When stopping the period and being worked, it is ensured that atmosphere can be stably maintained at required oxygen always in fresh-keeping subspace 271
Within the scope of gas concentration.
Controller 110 can also determine the food species for being put into fresh-keeping subspace 271 by automatic identification, thus into one
Step selects corresponding fresh-keeping operational mode, by accordingly controlling aspiration pump 40 and other pass the gas through controlled atmosphere membrane module 30
Component, so that the atmosphere in fresh-keeping subspace 271 is met the storage condition of the group food.
Since fresh-keeping subspace 271 is after each open, original atmosphere can all be destroyed, therefore in fresh-keeping subspace
After 271 open be then shut off again, delayed startup aspiration pump 40 is needed.Oxygen concentration in fresh-keeping subspace 271, which reaches, meets storage
After the requirement of hiding condition, controller 110 is evacuated in control aspiration pump 40 again according to determining fresh-keeping operational mode, makes to protect
The atmosphere of fresh subspace 271 is stable at needed for food under best preservation condition.
In the refrigerating device of the present embodiment, open-closed detector 130, which can be configured to detect fresh-keeping subspace 271, to be opened
The event closed, open-closed detector 130 can be used hall device etc. and detect whether fresh-keeping subspace 271 is turned on or is closed, In
When using drawer type storage room as fresh-keeping subspace 271, open-closed detector 130 can be respectively arranged at drawer body 23
On end plate and drawer cylinder 22.
After determining that fresh-keeping subspace 271 is opened, driving aspiration pump 40 remains turned-off controller 110；It is fresh-keeping determining
After subspace 271 is closed, 40 continuous service initial operating time of aspiration pump is driven, fresh-keeping operational mode is also previously provided with just
Beginning runing time.The initial operating time can guarantee that aspiration pump 40 is the atmosphere that fresh-keeping subspace 271 forms setting.
Spatial detector 160 can be configured to after fresh-keeping subspace is opened and closed, and detect placement in fresh-keeping subspace 271
Whether food changes.Since the detection process of food detection device 150 is complex.Therefore it can use spatial detector
It detects whether the food placed in fresh-keeping subspace 271 changes, only just detects food again after food changes
Device 150 is detected.Such as spatial detector 160 can judge whether food becomes using pressure or weight measurement
Change, such as in fresh-keeping subspace 271 before and after opening and closing, in Item Weight change, it may be considered that whether food goes out
Now change.If food does not change, the fresh-keeping operational mode before controller 110 can also continue to use is controlled
System.
The embodiments of the present invention also provide a kind of fresh-keeping control methods of refrigerating device, which can
Fresh-keeping control is carried out for the refrigerating device to above-described embodiment, such as is executed by above controller 110, gas is completed
The holding function of body atmosphere.
Fig. 8 is the schematic diagram of the fresh-keeping control method of refrigerating device according to an embodiment of the invention.The refrigeration
The fresh-keeping control method of refrigerating plant is generally can include:
Step S702 detects the type for the food placed in fresh-keeping subspace 271；
Step S704 determines corresponding fresh-keeping operational mode according to the type of food；
Step S706, driving aspiration pump 40 are run according to the start-up period determined.
It can be determined by way of odor identification or image recognition in step S702 and be saved in fresh-keeping subspace 271
The information of food.Such as when carrying out odor identification, step S702 may include: to utilize to be arranged in fresh-keeping subspace 271
Interior smell sensor detects the smell in fresh-keeping subspace, and the food placed in fresh-keeping subspace 271 is determined using smell
Type.When carrying out image recognition, step S702 may include: the image that fresh-keeping subspace is shot using filming apparatus, and
The image obtained to shooting identifies, to determine the type for the food placed in fresh-keeping subspace.
The identification process of step S702 can also be realized by cloud, for example, by the measurement result of gas sensor or
The image of person's filming apparatus shooting uploads, and carries out pattern-recognition by cloud device, utilizes the food identified by controller 110
Species select corresponding fresh-keeping mode.
Since identification process needs a large amount of calculating, and part electric energy can be consumed.It can also be examined before step S702
Survey the event that fresh-keeping subspace 271 is opened and closed；After fresh-keeping subspace 271 is opened and closed, the food placed in fresh-keeping subspace is detected
After whether object changes, and variation occurs in the food placed in fresh-keeping subspace, executes to detect in fresh-keeping subspace and place
Food type the step of.
Refrigerating device can be preset there are many corresponding fresh-keeping operational mode of food, every kind of fresh-keeping operational mode
It is previously provided with a kind of the start-up period of aspiration pump 40, the start-up period guarantees that the atmosphere in fresh-keeping subspace 271 meets guarantor
The storage condition of the food saved in fresh subspace 271.
In addition, fresh-keeping operational mode can also be previously provided with the initial operating time of aspiration pump 40, the present embodiment it is cold
The fresh-keeping control method of hiding refrigerating plant can also include detecting whether initialization event occur, after there is initialization event,
40 continuous service initial operating time of aspiration pump is driven, so that fresh-keeping subspace 271 forms atmosphere.
There is the case where may making the various events of fresh-keeping 271 gas of subspace leakage, such as refrigerating occurs
The event for powering on event or fresh-keeping subspace 271 is opened and closed of device.Guarantor can also be detected in the implementation procedure of step S706
The event that fresh subspace 271 is opened and closed；After determining that fresh-keeping subspace 271 is opened, driving aspiration pump 40 is remained turned-off；True
After fixed fresh-keeping subspace 271 is closed, 40 continuous service initial operating time of aspiration pump is driven.
Fresh-keeping subspace 271 can also be determined by modes such as weight, temperature after determining that fresh-keeping subspace 271 is closed
Whether interior food changes, and the automatic identification of food species is then carried out if there is variation.
The detailed process of the fresh-keeping control method of the refrigerating device of the present embodiment is introduced below, this sentences cold
Hiding refrigerating plant setting, there are many fresh-keeping modes, can specifically configure according to the storage requirement of user, such as fruit is fresh-keeping
The fresh-keeping mode of mode, leaf vegetables, melon fresh-keeping mode, meat preservation mode etc., every kind of fresh-keeping mode defines after initialization
The oxygen concentration of fresh-keeping subspace 271 is set to drop to 40 continuous service of process aspiration pump that various kinds of foods most preferably saves concentration range
Initial operating time, and according to fresh-keeping 271 gas leakage situation of subspace be arranged aspiration pump 40 hold positive the start-up period, should
The start-up period can guarantee that the oxygen concentration of fresh-keeping subspace 271 is not in always in above-mentioned best preservation concentration range.In addition
Fresh-keeping subspace 271 can be drawer type storage space.
It after drawer is opened and is put into certain food, detects the closure event of drawer occurred, starts food oneself
Dynamic identification, determines the type of food.If food, there is no variation, refrigerating device still can be still according to before
Fresh-keeping mode operation.
After drawer closure and door body are also closed, 40 delay predetermined time of aspiration pump is opened, and continuous service is currently fresh-keeping
Initial operating time as defined in mode makes the oxygen concentration of fresh-keeping subspace 271 drop to best save in concentration range.Pumping
Pump 40 closes the predetermined times, is then turned on, and is closing after a certain period of time opening, and time of time of closing and unlatching is by working as
Preceding fresh-keeping mode determines.It is opened if there is drawer or the case where refrigerator re-powers then repeats the above process.
Fig. 9 is one applied to refrigerator of the fresh-keeping control method of refrigerating device according to an embodiment of the invention
Kind execute process, the execution process the following steps are included:
Food is put into the fresh-keeping subspace 271 of refrigerator by step S802, user；
Step S804 detects that fresh-keeping subspace 271 is put into new food, identifies food species, and determines that food is corresponding
Fresh-keeping operational mode；
Step S806 starts aspiration pump 40 after drawer is closed n minutes；
Step S808 runs aspiration pump 40 a minutes, is then shut off b minutes according to the fresh-keeping operational mode determined,
Period start and stop are carried out, until next time, fresh-keeping subspace was opened.
In the present embodiment, can be used filming apparatus (perhaps smell sensor) carry out food identification filming apparatus (or
Smell sensor) it can be placed in outside refrigerator (may also set up in refrigerating chamber or fresh-keeping subspace 271), user is put into food
The type (can also be identified in advance before being put into) that food is identified after object, according to preset food type and fresh-keeping operation mould
The corresponding relationship of formula determines the duty cycle of control aspiration pump, and above-mentioned n, a, b can be prespecified by fresh-keeping operational mode.
Refrigerator can be determined according to weight, the temperature change in fresh-keeping subspace 271 is put into new food to know automatically
The type of other food, the operational mode of aspiration pump 40 is determined according to the type of food, is controlled automatically, and the process is without using
The intervention at family, to substantially increase intelligence degree and the usage experience of user.
The refrigerating device of the present embodiment and its fresh-keeping control method, creatively propose using controlled atmosphere film (such as
Oxygen permeable membrane) space is discharged in the particular kind of gas (such as oxygen) in air in closed fresh-keeping subspace by component, from
And obtained in the space rich nitrogen oxygen deprivation or other in favor of food fresh-keeping atmosphere.Such as the gas atmosphere of rich nitrogen oxygen deprivation
The content by reducing oxygen in fruits and vegetables shelf space is enclosed, the intensity of fruit/vegetable aerobic breathing is reduced, while guaranteeing the breathing on basis
Effect prevents fruits and vegetables from carrying out anaerobic respiration, to achieve the purpose that fruits and vegetables long-period freshness preserving.And also according to the kind of saved food
Atmosphere is maintained at most beneficial under conditions of this kind of food, to meet different food storages to the greatest extent by class
Needs.
Further, the refrigerating device of the present embodiment and its fresh-keeping control method, can automatically identify fresh-keeping son
The type for the food placed in space, so that optimal fresh-keeping mode is accordingly selected, without the intervention of user, intelligence degree
Height substantially increases ease of use and the experience of user.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
1. a kind of fresh-keeping control method of refrigerating device, the refrigerating device include the case for defining storage space
Body, controlled atmosphere membrane module, aspiration pump, wherein there is closed fresh-keeping subspace, and the aspiration pump is matched in the storage space
Being set to permeates the gas of the fresh-keeping subspace of the storage space by the controlled atmosphere membrane module, in the storage space
The atmosphere for being conducive to food fresh-keeping is formed in fresh-keeping subspace, the controlled atmosphere membrane module includes braced frame and controlled atmosphere film,
The braced frame has the first surface and second surface that are parallel to each other, be formed with extend on the first surface respectively,
Extend on the second surface, and through the braced frame to be connected to the more of the first surface and the second surface
Oxygen rich gas collecting chamber is collectively formed in a airflow channel, multiple airflow channels, and the controlled atmosphere film is two layers, is layed in respectively
The two sides of the braced frame, to close the oxygen rich gas collecting chamber, the braced frame is formed with and multiple air-flows
The aspirating hole of channel connection, the aspirating hole is connected to the oxygen rich gas collecting chamber, for connecting the input end of the aspiration pump,
And the fresh-keeping control method includes:
Detect the type for the food placed in the fresh-keeping subspace；
Corresponding fresh-keeping operational mode is determined according to the type of the food, and the refrigerating device presets that there are many foods
The corresponding fresh-keeping operational mode of object, every kind of fresh-keeping operational mode are previously provided with a kind of the start-up period of the aspiration pump,
The start-up period guarantees that the atmosphere in the fresh-keeping subspace meets the food placed in the fresh-keeping subspace
Storage condition, the atmosphere refer to the gas component ratio in the fresh-keeping subspace, and the start-up period is by institute
The rule for stating the speed of evacuation of the leak case of gas, the aspiration pump in fresh-keeping subspace is summarized and is obtained；
The aspiration pump is driven to run according to the start-up period determined.
2. according to the method described in claim 1, wherein, the step of detecting the type of the food of placement in the fresh-keeping subspace
Include:
The smell in the fresh-keeping subspace is detected using the smell sensor being arranged in the fresh-keeping subspace, and utilizes institute
State the type that smell determines the food placed in the fresh-keeping subspace.
3. according to the method described in claim 1, wherein, the step of detecting the type of the food of placement in the fresh-keeping subspace
Include:
The image of the fresh-keeping subspace is shot using filming apparatus, and the image obtained to shooting identifies, to determine
The type for the food placed in the fresh-keeping subspace.
4. according to the method described in claim 1, wherein, in the step for the type for detecting the food placed in the fresh-keeping subspace
Before rapid further include:
Detect the event that the fresh-keeping subspace is opened and closed；
After the fresh-keeping subspace is opened and closed, detect whether the food placed in the fresh-keeping subspace changes, and
After variation occurs in the food placed in the fresh-keeping subspace, the type for detecting the food placed in the fresh-keeping subspace is executed
The step of.
5. according to the method described in claim 4, wherein, the fresh-keeping operational mode is also previously provided with the first of the aspiration pump
Beginning runing time, and the fresh-keeping control method further include:
After determining that the fresh-keeping subspace is opened, the aspiration pump is driven to remain turned-off；
After determining that the fresh-keeping subspace is closed, initial operating time described in the aspiration pump continuous service is driven.
6. a kind of refrigerating device, comprising:
Cabinet, in limit by storage space, be formed with closed fresh-keeping subspace in the storage space；
Controlled atmosphere membrane module, surrounding space is connected to the fresh-keeping subspace, and is provided with controlled atmosphere film, in the controlled atmosphere membrane module
It is formed with oxygen rich gas collecting chamber, the controlled atmosphere membrane module further includes braced frame, and the braced frame, which has, to be parallel to each other
First surface and second surface are formed with and extend on the first surface respectively, extend on the second surface, and pass through
The braced frame is worn to be connected to multiple airflow channels of the first surface Yu the second surface, multiple airflow channels
The oxygen rich gas collecting chamber is collectively formed, the controlled atmosphere film is two layers, is layed in the two sides of the braced frame, respectively with envelope
The oxygen rich gas collecting chamber is closed, the braced frame is formed with the aspirating hole being connected to multiple airflow channels, the pumping
Stomata is connected to the oxygen rich gas collecting chamber, for connecting the input end of the aspiration pump；
Aspiration pump, input end are connected to the oxygen rich gas collecting chamber, and are configured to the gas of the oxygen rich gas collecting chamber
Body is extracted out outward, so that at least partly oxygen in the fresh-keeping subspace is received by the controlled atmosphere film into the oxygen rich gas
Collect chamber, to reduce the oxygen concentration in the fresh-keeping subspace；
Food detection device, for detecting the type for the food placed in the fresh-keeping subspace；
Controller is connected with the control terminal of the food detection device and the aspiration pump, and is configured to: according to the food
Type determine corresponding fresh-keeping operational mode, the refrigerating device presets that there are many corresponding fresh-keeping operations of food
Mode, every kind of fresh-keeping operational mode are previously provided with a kind of the start-up period of the aspiration pump, and the start-up period guarantees
Atmosphere in the fresh-keeping subspace meets the storage condition for the food placed in the fresh-keeping subspace, the gas
Atmosphere refers to the gas component ratio in the fresh-keeping subspace, and the start-up period is by gas in the fresh-keeping subspace
Leak case, the aspiration pump the rule of the speed of evacuation summarize and obtain；Drive the aspiration pump according to determining
The start-up period operation.
7. refrigerating device according to claim 6, wherein the food detection device includes:
Smell sensor is arranged in the fresh-keeping subspace, and is configured to detect the smell in the fresh-keeping subspace；And
The controller is configured to determine the type for the food placed in the fresh-keeping subspace using the smell.
8. refrigerating device according to claim 6, wherein the food detection device includes:
Filming apparatus is configured to shoot the image of the fresh-keeping subspace；And
The controller is configured to identify the image that shooting obtains, to determine to place in the fresh-keeping subspace
Food type.
9. refrigerating device according to claim 6, further includes:
Open-closed detector is configured to detect the event that the fresh-keeping subspace is opened and closed；
Spatial detector is configured to after the fresh-keeping subspace is opened and closed, and detects the food placed in the fresh-keeping subspace
Whether change；
The controller is configured to the food placed in the fresh-keeping subspace and occurs after changing, executes and detect the guarantor
The step of type for the food placed in fresh subspace.
10. refrigerating device according to claim 9, wherein the fresh-keeping operational mode is also previously provided with the pumping
The initial operating time of air pump, and the controller is configured to:
After the open-closed detector determines that the fresh-keeping subspace is opened, the aspiration pump is driven to remain turned-off；
After the open-closed detector determines that the fresh-keeping subspace is closed, drive initial described in the aspiration pump continuous service
Runing time.
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| CN201611097736.0A CN106813442B (en) | 2016-12-02 | 2016-12-02 | Refrigerating device and its fresh-keeping control method |
| PCT/CN2017/114203 WO2018099456A1 (en) | 2016-12-02 | 2017-12-01 | Refrigeration device and preservation control method therefor |
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| CN201611097736.0A CN106813442B (en) | 2016-12-02 | 2016-12-02 | Refrigerating device and its fresh-keeping control method |
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| CN113048708B (en) * | 2019-12-26 | 2022-01-25 | 青岛海尔电冰箱有限公司 | Control method of controlled atmosphere fresh-keeping refrigerator, refrigerator and storage medium |
| CN111907931A (en) * | 2020-08-24 | 2020-11-10 | 南京农业大学 | Low-temperature fresh-keeping device based on hydrogen |
| CN114383353A (en) * | 2020-10-19 | 2022-04-22 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN112352828A (en) * | 2020-11-06 | 2021-02-12 | 常德华诚现代农业开发有限公司 | Fresh-keeping storage chamber of organic vegetables |
| JP2022127124A (en) * | 2021-02-19 | 2022-08-31 | トヨタ自動車株式会社 | Shelf inventory management system, shelf inventory management method, and program |
| CN114296497B (en) * | 2021-04-10 | 2022-09-27 | 安徽美乐柯制冷空调设备有限公司 | Energy consumption self-regulating temperature control device for freezing preservation |
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- 2017-12-01 WO PCT/CN2017/114203 patent/WO2018099456A1/en active Application Filing
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| WO2018099456A1 (en) | 2018-06-07 |
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