CN113446793B - Fresh-keeping device and refrigerator - Google Patents
Fresh-keeping device and refrigerator Download PDFInfo
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- CN113446793B CN113446793B CN202010211428.6A CN202010211428A CN113446793B CN 113446793 B CN113446793 B CN 113446793B CN 202010211428 A CN202010211428 A CN 202010211428A CN 113446793 B CN113446793 B CN 113446793B
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3409—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23L3/3418—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
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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
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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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
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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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
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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
- F25D23/00—General constructional features
- F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
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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
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
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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
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
- F25D25/024—Slidable shelves
- F25D25/025—Drawers
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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
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
Abstract
The invention discloses a fresh-keeping device and a refrigerator, comprising: the framework is provided with an accommodating space, one side of the framework is provided with an opening, the wall of the framework is provided with air holes, and the air holes are communicated with the accommodating space; the drawer can get into and accept in accommodating space through the opening, and the deoxidization module sets up in the venthole department of frame, in order to consume the inside oxygen of accommodating space. According to the embodiment of the invention, the preservation device forms a low-oxygen environment, nitrogen cannot be consumed and transferred, negative pressure formed in the containing space is small, the requirement on structural strength is low, and the integral structure of the preservation device is not required to be designed in an enhanced manner, so that the material cost is reduced, and the loss of volume is reduced; and, when oxygen in the space is consumed gradually, because relative seal in the space can slow down the speed that outside air permeates into in the accommodation space to can make the interior hypoxia negative pressure state that keeps a period of time of space.
Description
Technical Field
The invention relates to the field of refrigeration and freezing, in particular to a fresh-keeping device and a refrigerator.
Background
The vacuum preservation technology of the existing refrigerator adopts a vacuum pump to extract air in a containing space, so that the oxygen content is reduced, and the preservation effect is enhanced. It is well known that the gas in a normal containment space has an initial oxygen content of about 20% and a nitrogen content of about 80%, assuming that in a 10L space, there is about 2L of initial oxygen. When the vacuum pump is adopted to pump air in the accommodating space, oxygen and nitrogen are pumped away simultaneously, when 1L of oxygen is pumped away, 4L of nitrogen is pumped away simultaneously, and at the moment, 1L of oxygen and 4L of nitrogen are remained in the space to form a larger negative pressure of about-0.5 bar; because the internal and external pressure difference is big, in order to prevent that the drawer frame warp, overall structure need adopt and strengthen the design, if need thickening, reinforced material and increase strengthening rib design etc. and cause the loss of material and volume big.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a fresh-keeping device which can form a low-oxygen negative pressure state in a storage space and can keep the low-oxygen negative pressure state in the space for a period of time.
The invention also provides a refrigerator with the fresh-keeping device.
The freshness keeping device according to an embodiment of a first aspect of the present invention is used for a refrigerator, and includes: the frame is provided with an accommodating space, one side of the frame is provided with an opening, and the wall of the frame is provided with air holes which are communicated with the accommodating space; the drawer can enter the accommodating space through the opening and is accommodated in the accommodating space so as to be matched with the frame to form a closed accommodating space; the deoxidization module set up in the frame venthole department, in order to consume the inside oxygen of accommodating space makes accommodating space forms low oxygen negative pressure state.
The fresh-keeping device provided by the embodiment of the invention at least has the following beneficial effects: the fresh-keeping device of the embodiment of the invention adopts the deoxidizing module, so that the deoxidizing module is in contact with the air in the accommodating space, the oxygen in the air reacts with the deoxidizing module and is replaced to the outside, thus a low-oxygen environment is obtained in the space, the low-oxygen environment can effectively inhibit the respiration of fruits and vegetables, the consumption of organic substances is reduced, the low-oxygen environment can meet the most basic survival requirement of fruit and vegetable cells, the vitality of the cells can be maintained, and the fresh-keeping of fruits and vegetables is facilitated. Can also effectively inhibit the breeding and propagation of aerobic bacteria and anaerobic bacteria and prevent microorganisms from rotting fruits and vegetables. In addition, hypoxia can also inhibit the activity of certain enzymes, inhibit the generation of ethylene, delay the processes of after-ripening and aging and keep the nutrition of fruits fresh for a long time; moreover, when a low-oxygen environment is formed, the deoxygenation module only reacts with oxygen, nitrogen cannot be consumed and transferred, and because the initial oxygen content of gas in the accommodating space is about 20 percent and the nitrogen content is about 80 percent, and assuming that the initial oxygen is about 2L in a 10L space, 1L of oxygen and 8L of nitrogen are left in the space when 1L of oxygen is consumed, and the negative pressure formed in the accommodating space is lower, about-0.1 bar, the preservation device in the embodiment of the invention has lower requirement on the structural strength, and does not need to adopt a strengthening design for the integral structure of the preservation device, so that the material cost is reduced, and the loss of volume is reduced; moreover, when oxygen in the accommodating space is gradually consumed, the speed of external air permeating into the accommodating space can be slowed down due to relative sealing in the accommodating space, so that a low-oxygen negative pressure state is kept in the accommodating space for a period of time; compared with a preservation device which adopts a vacuum pump to extract air in the accommodating space and reduce oxygen content, the preservation device provided by the embodiment of the invention abandons the use of the vacuum pump and has the characteristic of low noise, so that the preservation device provided by the embodiment of the invention is more silent.
According to some embodiments of the invention, the oxygen removal module is an electrochemical oxygen removal module configured to consume oxygen inside the receiving space through an electrolytic reaction, so that a low-oxygen negative pressure state is formed in the receiving space.
According to some embodiments of the invention, a pressure relief valve is provided on the drawer.
According to some embodiments of the invention, the frame comprises: the accommodating space is arranged in the inner frame, the opening is arranged on one side of the inner frame, and the air holes are formed in the side wall, far away from the opening, of the inner frame; the outer frame sets up on the inner frame, the deoxidization module sets up the inner frame with between the outer frame.
According to some embodiments of the invention, the oxygen scavenging module is removably arranged on the inner frame by a fixing structure.
According to some embodiments of the invention, the fixation structure comprises: a connection post disposed at a side wall of the inner frame, the connection post having a connection hole therein; the stepped hole is arranged at the corresponding position of the deoxidizing module, and the connecting column penetrates through the stepped hole; and the fixed connecting piece penetrates through the stepped hole and is in threaded connection with the connecting hole.
According to some embodiments of the invention, a sealing strip is arranged between the opening and the drawer to ensure sealing between the opening and the drawer.
According to some embodiments of the invention, the electrochemical oxygen removal module is provided with a water addition hole.
According to some embodiments of the invention, the plurality of air holes are arranged in an array on the side wall of the frame.
According to a second aspect of the invention, the refrigerator comprises the fresh keeping device of any one of the above first aspect of the invention.
According to the embodiment of the invention, at least the following beneficial effects are achieved: the refrigerator provided by the invention comprises the preservation device in any one of the above embodiments, so that all the beneficial effects of the preservation device in any one of the above embodiments are achieved, which is not illustrated here.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic perspective exploded view of a fresh keeping apparatus according to an embodiment of the present invention;
FIG. 2 is a perspective exploded view of the preservation apparatus according to the embodiment of the present invention with the outer frame removed;
FIG. 3 is a cross-sectional view of a preservation apparatus according to an embodiment of the present invention;
FIG. 4 is a rear view of the fresh keeping apparatus according to the embodiment of the present invention with the oxygen removal module removed;
FIG. 5 is a schematic perspective view of an oxygen removal module of the preservation apparatus according to an embodiment of the present invention;
fig. 6 is a schematic view of a refrigerator according to an embodiment of the present invention.
Reference numerals:
a refrigerator 100;
the fresh keeping device 200, the frame 210, the inner frame 211, the outer frame 212, the accommodating space 213, the opening 214, the vent 215;
An oxygen removal module 300, a water filling hole 310 and an exhaust hole 320;
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
As shown in fig. 1, 2 and 3, the refreshing apparatus 200 according to the embodiment of the present invention is applied to the refrigerator 100, and the refrigerator 100 may refer to a wide-ranging refrigeration storage device, such as a refrigerator, an electric freezer, a freezer, and the like. Fresh-keeping device 200 includes frame 210, drawer 220 and deoxidization module 300, wherein, frame 210 is provided with accommodation space 213, one side at frame 210 is provided with opening 214, be equipped with bleeder vent 215 on frame 210's the wall, bleeder vent 215 and accommodation space 213 intercommunication, drawer 220 can get into and accept in accommodation space 213 through opening 214, thereby make drawer 220 and frame 210 cooperation form inclosed accommodating space, eat materials such as with storage fruit vegetables, deoxidization module sets up in the bleeder vent department of frame, the oxygen accessible bleeder vent of accommodating space gets into the deoxidization module, with the inside oxygen of consumption accommodating space through the deoxidization module, reduce the oxygen content in the accommodating space, thereby make accommodating space form low oxygen negative pressure environment.
The fresh-keeping device 200 of the embodiment of the invention adopts the oxygen removal module 300, so that the oxygen removal module 300 is in contact with the air in the accommodating space 213, the oxygen in the air reacts with the oxygen removal module 300 and is replaced to the outside, and therefore, a low-oxygen environment is obtained in the accommodating space, the low-oxygen environment can effectively inhibit the respiration of fruits and vegetables, the consumption of organic substances is reduced, the low-oxygen environment can meet the most basic survival requirements of fruit and vegetable cells, the vitality of the cells can be maintained, and the fresh-keeping of the fruits and vegetables is facilitated. Can also effectively inhibit the breeding and propagation of aerobic bacteria and anaerobic bacteria and prevent microorganisms from rotting fruits and vegetables. In addition, hypoxia can also inhibit the activity of certain enzymes, inhibit the generation of ethylene, delay the processes of after-ripening and aging and keep the nutrition of fruits fresh for a long time; moreover, when a low-oxygen environment is formed, the oxygen removal module only reacts with oxygen, nitrogen cannot be consumed and transferred, the initial oxygen content of gas in the accommodating space is about 20 percent, the nitrogen content is about 80 percent, and in a space of 10L, the initial oxygen is about 2L, when 1L of oxygen is consumed, 1L of oxygen and 8L of nitrogen remain in the space, the negative pressure formed in the accommodating space is smaller and about-0.1 bar, compared with a mode of using a vacuum pump to remove oxygen, the negative pressure value of the accommodating space of the fresh-keeping device of the embodiment of the invention which achieves the same oxygen content is smaller, so that the fresh-keeping device of the embodiment of the invention has lower requirement on the structural strength, and does not need to adopt a reinforced design on the whole structure of the fresh-keeping device, thereby reducing the material cost and reducing the loss of volume; moreover, when oxygen in the accommodating space is gradually consumed, the speed of external air permeating into the accommodating space can be slowed down due to relative sealing in the accommodating space, so that a low-oxygen negative pressure state is kept in the accommodating space for a period of time; compared with a fresh-keeping device which adopts a vacuum pump to extract air in the accommodating space and reduce oxygen content, the fresh-keeping device of the embodiment of the invention abandons the use of the vacuum pump and has the characteristic of low noise, so the fresh-keeping device of the embodiment of the invention is more silent.
In some embodiments, oxygen module 300 is an electrochemical oxygen module configured to consume oxygen inside the receiving space through an electrolytic reaction, such that a low oxygen negative pressure state is formed in receiving space 213.
Be equipped with cathode electrode and anode electrode (not shown in the figure) inside deoxidization module 300, cathode electrode is through waterproof ventilated membrane and air contact, and the theory of operation of deoxidization module is: oxygen in the air passes through waterproof ventilated membrane infiltration entering electrolyte tank, nitrogen gas in the air is blockked outside electrolyte tank by waterproof ventilated membrane simultaneously, and produce electrochemical reaction with water under the cathodic reaction, generate hydroxyl ion, and simultaneously, produce electrochemical reaction at the positive pole, hydroxyl ion reaction generates water and oxygen, thereby come out the oxygen replacement in the air, and through exhaust hole discharge deoxidization module 300 outside, thereby make the inside oxygen content of drawer reduce, and then reach fresh-keeping effect.
When the electrochemical deoxygenation module is used, the module only reacts with oxygen, nitrogen cannot be consumed and transferred, the initial oxygen content of gas in the accommodating space is about 20%, the nitrogen content is about 80%, and in a 10L-assumed space, the initial oxygen is about 2L, when 1L of oxygen is consumed, 1L of oxygen and 8L of nitrogen remain in the space, the negative pressure formed in the accommodating space is small at the moment, about-0.1 bar, the requirement on the structural strength is low, and the integral structure of the preservation device does not need to be designed in an enhanced manner, so that the material cost is reduced, and the loss of volume is reduced; and adopt electrochemistry deoxidization module when realizing reducing oxygen content, the purpose of reinforcing fresh-keeping effect, because electrochemistry deoxidization module noiselessness produces, make the fresh-keeping device who adopts this deoxidization module 300 silence more.
It can be understood that deoxidization module 300 still can adopt oxygen adsorption equipment etc. in remaining gas returns accommodation space after adsorbing oxygen, equally can be when forming the low oxygen environment, nitrogen gas can not be consumed and shift, and the negative pressure that forms in the accommodation space is less, and is lower to structural strength requirement, need not adopt the enhancement design to fresh-keeping device's overall structure to reduce material cost, reduce volumetric loss.
Referring to fig. 2 and 5, in some embodiments, the electrochemical oxygen removal module is provided with a water inlet 310 and an air outlet 320, and in the working process of the electrochemical oxygen removal module, oxygen exhausted from the air outlet 320 can take away part of moisture, so that moisture of electrolyte in an electrolyte tank of the electrochemical oxygen removal module is gradually reduced, normal operation of the oxygen removal module is affected, and a customer needs to supplement moisture regularly by himself. Through set up water inlet hole 310 on the electrochemistry deoxidization module, when the liquid level in the electrolyte case reached the predetermined low position, accessible water inlet hole 310 mended water to the electrolyte case to make the liquid level in the electrolyte case maintain in normal range.
Referring to fig. 1, 2, in some embodiments, the frame 210 includes an inner frame 211 and an outer frame 212, wherein the receiving space 213 is disposed in the inner frame 211, the opening 214 is disposed at one side of the inner frame 211, and the vent hole 215 is disposed at a side wall of the inner frame 211 away from the opening 214; the outer frame 212 is disposed on the inner frame 211, and the oxygen removing module 300 is disposed between the inner frame 211 and the outer frame 212, so that the fresh-keeping device 200 is compact in structure, and the effective utilization space of the fresh-keeping device 200 is increased.
In some embodiments, the oxygen scavenging module 300 is removably disposed on the inner frame 211 via a securing structure 400 to facilitate maintenance of the oxygen scavenging module 300 and the freshness retaining device 200.
Referring to fig. 1 and 2, in some embodiments, the fixing structure 400 includes a connection post 410, a stepped hole 420, and a fixing connector (not shown).
As shown in the drawing, the connection column 410 is disposed on the side wall of the inner frame 211, the connection column 410 may be integrally formed with the inner frame 211, or may be separately disposed from the inner frame 211, when the connection column is separately disposed from the inner frame 211, the connection column 410 is fixed on the inner frame by a fixing member such as a screw, a bolt, etc., and a connection hole 411 is disposed in the connection column 410; the stepped hole 420 is arranged at the corresponding position of the oxygen removal module 300, the stepped hole 420 comprises a large hole 421 and a small hole 422 with different hole diameters, the large hole 421 is communicated with the small hole 422, and the connecting column 410 can be arranged on the large hole 421; the fixing connector passes through the small hole 422 and is screw-coupled with the coupling hole 411.
It is contemplated that the fixed connection may be a screw, bolt, or the like connection.
As shown, a guide surface 423 is provided at an end of the stepped hole 420 to facilitate insertion of the connection column 410 into the corresponding stepped hole 420.
It is understood that the fixing structure may also directly adopt a structure that a screw or a bolt is matched with the threaded hole, and the details are not described herein.
As shown in fig. 1 and 2, in some embodiments, a sealing strip 221 is disposed between the opening 214 and the drawer 220 to ensure the sealing property between the opening 214 and the drawer 220, the sealing strip 221 may be disposed on the inner frame 211, the inner side of the end cover of the drawer 220 has a contour shape corresponding to the shape of the sealing strip 221, and the sealing strip 221 may be modified polyvinyl chloride (PVC), vulcanized Ethylene Propylene Diene Monomer (EPDM) and thermoplastic ethylene propylene diene monomer (EPDM/PP) rubber strips; the sealing strip 221 can also be arranged on the inner side of the end cover of the drawer 220 so as to facilitate sealing between the opening 214 and the drawer 220, reduce the speed of external air leaking into the space by enhancing sealing, and realize the sensible experience effect of vacuum when the drawer is opened.
Because micro negative pressure is formed in the accommodating space 213 of the fresh-keeping device 200 during use, so that a large force needs to be applied when the fresh-keeping device 200 is opened, in some embodiments, a pressure release valve (not shown in the figure) is arranged on the drawer 220, and when the fresh-keeping device 200 needs to be opened, the pressure release valve is opened first to balance the air pressure in the fresh-keeping device 200 with the atmospheric pressure, so that the negative pressure state of the accommodating space 213 is eliminated, and the purpose of opening the fresh-keeping device 200 by applying a small force is achieved; moreover, when the pressure release valve is opened, the sound of gas leakage can be heard, and the user experience is improved.
As shown in fig. 2 and 4, in some embodiments, the plurality of air holes 215 are disposed on the side wall of the frame 210 in an array, and the plurality of air holes 215 can increase the area of oxygen transfer between the accommodating space 213 and the oxygen removing module 300, thereby increasing the oxygen removing efficiency of the oxygen removing module 300.
Referring to fig. 6, fig. 6 is a refrigerator 100 according to a second aspect of the present invention, including the fresh keeping apparatus 200 provided in any of the above embodiments, since the refrigerator 100 according to the embodiment of the present invention employs the fresh keeping apparatus 200 according to the above embodiments, the oxygen removing module 300 contacts with the air in the accommodating space 213, and the oxygen in the air reacts with the oxygen removing module 300 and is replaced to the outside, so as to obtain a low oxygen environment in the space, which can effectively inhibit respiration of fruits and vegetables, reduce consumption of organic substances, and meet the most basic survival requirement of fruit and vegetable cells, can maintain cell viability, and is beneficial to fresh keeping. Can also effectively inhibit the breeding of aerobic bacteria and anaerobic bacteria and prevent microorganisms from rotting fruits and vegetables. In addition, hypoxia can also inhibit the activity of certain enzymes, inhibit the generation of ethylene, delay the process of after-ripening and aging and keep the nutrition of the fruits fresh for a long time; moreover, when a low-oxygen environment is formed, the oxygen removal module only reacts with oxygen, nitrogen cannot be consumed and transferred, the initial oxygen content of gas in the accommodating space is about 20 percent, the nitrogen content is about 80 percent, and in a space of 10L, the initial oxygen is about 2L, when 1L of oxygen is consumed, 1L of oxygen and 8L of nitrogen remain in the space, the negative pressure formed in the accommodating space is smaller and about-0.1 bar, compared with a mode of using a vacuum pump to remove oxygen, the negative pressure value of the accommodating space of the fresh-keeping device of the embodiment of the invention which achieves the same oxygen content is smaller, so that the fresh-keeping device of the embodiment of the invention has lower requirement on the structural strength, and does not need to adopt a reinforced design on the whole structure of the fresh-keeping device, thereby reducing the material cost and reducing the loss of volume; moreover, when the oxygen in the accommodating space is gradually consumed, the speed of external air permeating into the accommodating space can be slowed down due to relative sealing in the accommodating space, so that the accommodating space is kept in a low-oxygen negative pressure state for a period of time; compared with a fresh-keeping device which adopts a vacuum pump to extract air in the accommodating space and reduce oxygen content, the fresh-keeping device of the embodiment of the invention abandons the use of the vacuum pump and has the characteristic of low noise, so the fresh-keeping device of the embodiment of the invention is more silent.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope of the claims of the present application.
Claims (9)
1. A freshness retaining device for a refrigerator, comprising:
the frame is provided with an accommodating space, one side of the frame is provided with an opening, and the wall of the frame is provided with air holes which are communicated with the accommodating space;
the drawer can enter the accommodating space through the opening and is accommodated in the accommodating space so as to be matched with the frame to form a closed accommodating space;
the deoxidization module, set up in the frame breather hole department, the deoxidization module is the electrochemistry deoxidization module, and includes the electrolyte case, the electrolyte case is equipped with waterproof ventilated membrane, inside cathode electrode and the anode electrode of being equipped with of deoxidization module, cathode electrode configures to and makes oxygen and water produce electrochemical reaction, generates the hydroxyl ion, anode electrode configures to and generates water and oxygen with the hydroxyl ion reaction, waterproof ventilated membrane is arranged in the oxygen that supplies in the air and passes through waterproof ventilated membrane infiltration entering nitrogen gas in electrolyte case, the air quilt waterproof ventilated membrane blocks outside the electrolyte case, with the consumption the inside oxygen of accommodation space makes accommodation space forms low oxygen negative pressure state.
2. The freshness device of claim 1, wherein a pressure relief valve is provided on the drawer.
3. The freshness device of claim 1, wherein the frame comprises:
the accommodating space is arranged in the inner frame, the opening is arranged on one side of the inner frame, and the air holes are formed in the side wall, far away from the opening, of the inner frame;
the outer frame sets up on the inner frame, the deoxidization module sets up the inner frame with between the outer frame.
4. Fresh-keeping device according to claim 3, characterized in that the oxygen-scavenging module is detachably arranged on the inner frame by means of a fixing structure.
5. The freshness device of claim 4, wherein the securing structure comprises:
the connecting column is arranged on the side wall of the inner frame, and a connecting hole is formed in the connecting column;
the stepped hole is arranged at the corresponding position of the deoxidizing module, and the connecting column penetrates through the stepped hole;
and the fixed connecting piece is arranged in the stepped hole in a penetrating way and is in threaded connection with the connecting hole.
6. The freshness retaining device according to claim 1, wherein a sealing strip is provided between the opening and the drawer to ensure the sealing between the opening and the drawer.
7. The freshness retaining device of claim 1, wherein the electrochemical oxygen removal module is provided with a water filling hole.
8. The freshness retaining device of claim 1, wherein the vent is provided in plurality, and a plurality of the vents are arranged in an array on the side wall of the frame.
9. A refrigerator characterized by comprising the freshness retaining device of any one of claims 1 to 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211428.6A CN113446793B (en) | 2020-03-24 | 2020-03-24 | Fresh-keeping device and refrigerator |
| PCT/CN2020/138706 WO2021190006A1 (en) | 2020-03-24 | 2020-12-23 | Fresh-keeping device and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211428.6A CN113446793B (en) | 2020-03-24 | 2020-03-24 | Fresh-keeping device and refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113446793A CN113446793A (en) | 2021-09-28 |
| CN113446793B true CN113446793B (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010211428.6A Active CN113446793B (en) | 2020-03-24 | 2020-03-24 | Fresh-keeping device and refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116222089A (en) * | 2021-12-03 | 2023-06-06 | 青岛海尔电冰箱有限公司 | Refrigerator with a refrigerator body |
| CN217876675U (en) * | 2022-01-29 | 2022-11-22 | 青岛海尔电冰箱有限公司 | Gas treatment device and refrigerator with same |
| CN116697672A (en) * | 2022-02-25 | 2023-09-05 | 青岛海尔电冰箱有限公司 | Refrigerator with a refrigerator body |
| CN116762915A (en) * | 2022-03-07 | 2023-09-19 | 青岛海尔电冰箱有限公司 | Oxygen treatment device for refrigerator and refrigerator with oxygen treatment device |
| CN115581273A (en) * | 2022-10-20 | 2023-01-10 | 江西省凯骏实业有限公司 | Oxygen-controlled fresh-keeping container |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688664A (en) * | 2011-03-24 | 2012-09-26 | 株式会社东芝 | Electrolysis device and refrigerator |
| CN108332480A (en) * | 2017-12-22 | 2018-07-27 | 青岛海尔股份有限公司 | Refrigerating device and its container for storing |
| CN109855348A (en) * | 2017-11-30 | 2019-06-07 | 青岛海尔股份有限公司 | Refrigerating device |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5623105A (en) * | 1992-10-21 | 1997-04-22 | Prolong Systems, Inc. | Oxygen/carbon dioxide sensor and controller for a refrigerated controlled atmosphere shipping container |
| CN1256797A (en) * | 1997-04-14 | 2000-06-14 | 天美使公司 | Container for electrical device utilizing metal air cell |
| US7134486B2 (en) * | 2001-09-28 | 2006-11-14 | The Board Of Trustees Of The Leeland Stanford Junior University | Control of electrolysis gases in electroosmotic pump systems |
| JP4821565B2 (en) * | 2006-11-01 | 2011-11-24 | パナソニック株式会社 | refrigerator |
| CN101949630A (en) * | 2010-09-27 | 2011-01-19 | 合肥美的荣事达电冰箱有限公司 | Refrigerator refreshing system and refrigerator with same |
| KR20130061486A (en) * | 2011-12-01 | 2013-06-11 | 동부대우전자 주식회사 | Refrigerator having automatic deaerating type drawer |
| CN104621030A (en) * | 2015-01-07 | 2015-05-20 | 青岛海尔股份有限公司 | Keep-alive refrigeration device |
| CN104512646B (en) * | 2015-01-07 | 2018-02-02 | 青岛海尔股份有限公司 | Keep-alive device |
| CN105674676A (en) * | 2015-12-29 | 2016-06-15 | 青岛海尔股份有限公司 | Fresh-keeping drawer and refrigerator using fresh-keeping drawer |
| CN108266955A (en) * | 2016-12-30 | 2018-07-10 | 福州品行科技发展有限公司 | A kind of efficient high reliability refrigerator hydrogen-rich device |
| CN107782040B (en) * | 2017-10-30 | 2020-03-31 | 青岛海尔股份有限公司 | Fresh-keeping chamber and refrigerator thereof |
| CN109855378A (en) * | 2017-11-30 | 2019-06-07 | 青岛海尔股份有限公司 | Refrigerating device and its container for storing |
| CN108168181A (en) * | 2017-12-22 | 2018-06-15 | 青岛海尔股份有限公司 | Refrigerator |
-
2020
- 2020-03-24 CN CN202010211428.6A patent/CN113446793B/en active Active
- 2020-12-23 WO PCT/CN2020/138706 patent/WO2021190006A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688664A (en) * | 2011-03-24 | 2012-09-26 | 株式会社东芝 | Electrolysis device and refrigerator |
| CN109855348A (en) * | 2017-11-30 | 2019-06-07 | 青岛海尔股份有限公司 | Refrigerating device |
| CN108332480A (en) * | 2017-12-22 | 2018-07-27 | 青岛海尔股份有限公司 | Refrigerating device and its container for storing |
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| CN113446793A (en) | 2021-09-28 |
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