Storage container for fresh-keeping device and fresh-keeping device

Abstract

The utility model relates to a storage container for a fresh-keeping device, the storage container is arranged in the fresh-keeping device and is used for storing food materials, a deoxygenization device is arranged on the wall of the container, and the storage container comprises an end plate; an anode diffusion layer; a cathode diffusion layer; the ion exchange membrane assembly is clamped between the anode diffusion layer and the cathode diffusion layer by the end plate and is suitable for conveying electric ions from the anode diffusion layer to the cathode diffusion layer; the anode assembly is arranged on the outer side of the anode diffusion layer and comprises an anode elastic plate and an anode collector plate, and the anode assembly is configured to be suitable for receiving and conducting current so as to achieve electrochemical reaction at the anode; and a cathode assembly arranged outside the cathode diffusion layer and comprising a cathode resilient plate and a cathode collector plate configured to receive and conduct a current to enable an electrochemical reaction at the cathode; the anode assembly and / or the cathode assembly are / is clamped and attached to the ion exchange membrane assembly in an airtight mode. The utility model further relates to a fresh-keeping device. According to the invention, gas leakage of the deoxidizing device can be avoided, the efficiency is improved, and the energy consumption is reduced.

Description

Technical Field

[0001] The present application relates to the field of household appliances, and more particularly to a storage container for a fresh-keeping device. In addition, the present application also relates to a corresponding fresh-keeping device. Background Art

[0002] For refrigerators, freshness preservation is one of its most important functions. Currently, there are four types of refrigerator freshness preservation technologies that are widely used: temperature control preservation, humidity control preservation, oxygen control preservation and molecular preservation.

[0003] In oxygen control preservation technology, the oxidation of food that needs to be preserved is reduced mainly by reducing or removing the oxygen content in the refrigerator's fresh-keeping box, especially reducing the metabolism of fruits and vegetables in an oxygen environment, thereby inhibiting the spoilage process of food.

[0004] As the requirements for the fresh-keeping function of refrigerators are gradually increasing, the use of electrolysis to remove oxygen in refrigerators has gradually become an effective fresh-keeping method. Usually, an electrolysis device is arranged on the fresh-keeping box, which generates hydrogen ions at the anode by electrolyzing water. The hydrogen ions pass through the catalyst coating membrane and react with the oxygen from the fresh-keeping box at the cathode to generate water. In this way, the oxygen content in the fresh-keeping box is reduced to achieve a fresh-keeping effect.

[0005] The electrolysis device in the prior art is usually composed of multiple functional layers assembled together in a stacked manner to form a sandwich-like structure. However, the electrolysis device in the prior art may have local gaps in the assembled state, resulting in reduced deoxygenation efficiency and impaired freshness preservation function. In addition, there may also be risks such as short circuits due to excessive compression force.

[0006] Therefore, in view of the many deficiencies in the prior art, there is still a need for improvement of the above technical solutions. Utility Model Content

[0007] In order to overcome one of the above-mentioned disadvantages and / or possible other disadvantages of the prior art not mentioned herein, the purpose of the present application is to provide an improved storage container and an improved fresh-keeping device.

[0008] According to a first aspect of the present application, a storage container for a fresh-keeping device is provided, wherein the storage container is arranged in the fresh-keeping device and is used to store food, and a deoxygenation device is arranged on a container wall of the storage container, wherein the deoxygenation device comprises:

[0009] End plate;

[0010] Anode diffusion layer;

[0011] cathode diffusion layer;

[0012] an ion exchange membrane assembly, the ion exchange membrane assembly being sandwiched between the anode diffusion layer and the cathode diffusion layer by the end plates and being configured to transport ions from the anode diffusion layer to the cathode diffusion layer;

[0013] an anode assembly disposed outside the anode diffusion layer and comprising an anode elastic plate and an anode current collecting plate, the anode current collecting plate being configured to receive and conduct electric current to achieve an electrochemical reaction at the anode; and

[0014] a cathode assembly disposed outside the cathode diffusion layer and comprising a cathode elastic plate and a cathode current collecting plate, wherein the cathode current collecting plate is configured to receive and conduct electric current to achieve an electrochemical reaction at the cathode;

[0015] The anode assembly and / or the cathode assembly is configured to be clamped and airtightly abutted against the ion exchange membrane assembly.

[0016] The basic concept of the present application is to provide corresponding structural parts on the anode assembly and / or cathode assembly so that when the deoxygenator is assembled, the anode assembly and / or cathode assembly can be reliably and airtightly attached to the ion exchange membrane assembly, thereby avoiding gas leakage in the radial direction due to assembly and structural deformation, etc. This can improve the operating efficiency of the deoxygenator, reduce energy consumption, and thus ensure the reliable operation of the fresh-keeping device.

[0017] Advantageous configurations of the technical solution of the present application can be obtained from the following optional embodiments.

[0018] According to an optional embodiment of the storage container of the present application, a first circumferential protrusion is configured on the first end face of the anode elastic plate facing the anode diffusion layer, and in the assembled state of the deoxygenator, the first protrusion is airtightly attached to the ion exchange membrane assembly. Alternatively, a first concave portion is configured on the first end face of the anode elastic plate facing the anode diffusion layer, and in the assembled state of the deoxygenator, the edge of the first concave portion is airtightly attached to the ion exchange membrane assembly.

[0019] According to an optional embodiment of the storage container of the present application, a circumferential second protrusion is constructed on the edge of the first end surface of the anode current collecting plate facing the anode diffusion layer, and in the assembled state of the deoxygenation device, the second protrusion is airtightly attached to the ion exchange membrane assembly.

[0020] According to an optional embodiment of the storage container of the present application, a third convex portion is configured on the first end face of the cathode elastic plate facing the cathode diffusion layer, and in the assembled state of the deoxygenator, the third convex portion is airtightly attached to the ion exchange membrane assembly. Alternatively, a second concave portion is configured on the first end face of the cathode elastic plate facing the cathode diffusion layer, and in the assembled state of the deoxygenator, the edge of the second concave portion is airtightly attached to the ion exchange membrane assembly.

[0021] According to an optional embodiment of the storage container of the present application, a circumferential fourth protrusion is constructed on the edge of the first end surface of the cathode current collecting plate facing the cathode diffusion layer, and in the assembled state of the deoxygenation device, the fourth protrusion is airtightly attached to the ion exchange membrane assembly.

[0022] According to an optional embodiment of the storage container of the present application, the ion exchange membrane assembly includes an ion exchange membrane, and the anode assembly and / or the cathode assembly is directly attached to the ion exchange membrane.

[0023] According to an optional embodiment of the storage container of the present application, the ion exchange membrane assembly includes an ion exchange membrane and a first insulating plate, the first insulating plate is arranged between the ion exchange membrane and the anode diffusion layer, and the anode assembly is attached to the first insulating plate.

[0024] According to an optional embodiment of the storage container of the present application, the first insulating plate has a first middle opening, the size of the first middle opening is smaller than the size of the outer contour of the anode diffusion layer, so that in the assembled state of the deoxygenation device, at least the edge of the anode diffusion layer does not contact the surface of the ion exchange membrane.

[0025] According to an optional embodiment of the storage container of the present application, a protruding first supporting structure is constructed on the first end face of the anode elastic plate facing the anode diffusion layer and / or the second end face away from the anode diffusion layer, and in the assembled state of the deoxygenation device, the first supporting structure prevents the existence of a gap between the anode elastic plate and the ion exchange membrane assembly.

[0026] According to an optional embodiment of the storage container of the present application, a protruding second supporting structure is constructed on the first end face of the cathode elastic plate facing the cathode diffusion layer and / or the second end face away from the cathode diffusion layer, and in the assembled state of the deoxygenation device, the second supporting structure prevents the existence of a gap between the cathode elastic plate and the ion exchange membrane assembly.

[0027] According to an optional embodiment of the storage container of the present application, the end plate, the anode elastic plate, the cathode elastic plate, the anode current collecting plate and the cathode current collecting plate have the same through-grid structure, so that the second end face of the cathode current collecting plate facing away from the ion exchange membrane assembly is at least partially exposed to the interior of the storage container, and the second end face of the anode current collecting plate facing away from the ion exchange membrane assembly is at least partially exposed to the outside of the storage container, wherein the first protrusion and / or the second protrusion and / or the third protrusion and / or the fourth protrusion are arranged along the edge of the grid.

[0028] According to an optional embodiment of the storage container of the present application, the anode current collecting plate has an anode terminal, and the cathode current collecting plate has a cathode terminal, wherein the first protrusion is configured with a first notch corresponding to the anode terminal, and the third protrusion is configured with a second notch corresponding to the cathode terminal.

[0029] According to an optional embodiment of the storage container of the present application, the ion exchange membrane assembly also includes a second insulating plate, the second insulating plate is constructed in the same manner as the first insulating plate, the ion exchange membrane is arranged between the second insulating plate and the first insulating plate, and the cathode assembly is abutted against the second insulating plate.

[0030] According to an optional embodiment of the storage container of the present application, an equal number of through holes corresponding to each other are opened on the edges of the end plate, the anode elastic plate, the cathode elastic plate and the ion exchange membrane assembly, and the end plate, the anode elastic plate, the cathode elastic plate and the ion exchange membrane assembly are connected and clamped relative to each other by means of bolts passing through the through holes to assemble into the deoxygenation device.

[0031] According to an optional embodiment of the storage container of the present application, the anode diffusion layer, the cathode diffusion layer, the anode current collecting plate, the cathode current collecting plate and the ion exchange membrane assembly have the same outer contour.

[0032] According to an optional embodiment of the storage container of the present application, the second insulating plate has a second middle opening, and the size of the second middle opening is smaller than the size of the outer contour of the cathode diffusion layer, so that in the assembled state of the deoxygenation device, at least the edge of the cathode diffusion layer does not contact the surface of the ion exchange membrane.

[0033] According to an optional embodiment of the storage container of the present application, the first insulating plate, the second insulating plate and the ion exchange membrane are integrally constructed, wherein the size of the ion exchange membrane is larger than the size of the first middle opening and the second middle opening.

[0034] According to an optional implementation of the storage container of the present application, the anode diffusion layer is composed of titanium felt.

[0035] According to an optional embodiment of the storage container of the present application, the cathode diffusion layer is made of carbon paper.

[0036] According to an optional embodiment of the storage container of the present application, the end plate is made of metal or plastic.

[0037] According to an optional implementation of the storage container of the present application, the first protrusion and / or the second protrusion and / or the third protrusion and / or the fourth protrusion are elastically constructed.

[0038] According to an alternative embodiment of the storage container of the present application, it is provided that the deoxygenating device is designed in a rectangular, circular or elliptical shape.

[0039] According to an optional embodiment of the storage container of the present application, the anode elastic plate and the cathode elastic plate are constructed of an elastomer.

[0040] According to a second aspect of the present application, a fresh-keeping device is provided, the fresh-keeping device comprising a storage container according to one of the above-mentioned embodiments.

[0041] Further features of the present application become apparent from the claims, the drawings and the description of the drawings. The features and feature combinations mentioned in the above description and the features and feature combinations mentioned in the following description of the drawings and / or shown only in the drawings can be used not only in the corresponding specified combinations, but also in other combinations without departing from the scope of the present application. Therefore, the following contents are also regarded as being covered and disclosed by the present application: these contents are not explicitly shown in the drawings and are not explicitly explained, but are derived from combinations consisting of separate features from the explained contents and are generated by these combinations. The following contents and feature combinations are also regarded as being disclosed: they do not have all the features of the originally drafted independent claims. In addition, the following contents and feature combinations are regarded as being particularly disclosed by the above contents: they exceed or deviate from the feature combinations defined in the reference relationship of the claims. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Further optional details and features of the present application emerge from the following description of preferred exemplary embodiments which are schematically illustrated in the drawings.

[0043] Figure 1 A schematic perspective view of a storage container for a fresh-keeping device according to an embodiment is shown;

[0044] Figure 2 shows a schematic diagram of a deoxygenation device according to one embodiment;

[0045] Figure 3 Shows Figure 2 Exploded view of the deaerator in;

[0046] Figure 4a A schematic diagram showing a first end surface of an anode elastic plate according to an embodiment is shown;

[0047] Figure 4b Shows Figure 4a AA cross-sectional view of the anode elastic plate;

[0048] Figure 4c A schematic diagram showing a first end surface of an anode elastic plate according to another embodiment is shown;

[0049] Figure 4d Shows Figure 4c BB cross-section of the anode elastic plate;

[0050] Figure 4e Shows Figure 4a A schematic diagram of a second end surface of the anode elastic plate;

[0051] Figure 4f Shows Figure 4e CC cross-sectional view of the anode elastic plate;

[0052] Figure 5a A schematic diagram showing a first end surface of a cathode elastic plate according to an embodiment;

[0053] Figure 5b A schematic diagram showing a first end surface of a cathode elastic plate according to another embodiment;

[0054] Figure 5c A schematic diagram showing a second end surface of a cathode elastic plate according to an embodiment;

[0055] Figure 6a A schematic diagram of an anode current collecting plate according to one embodiment is shown;

[0056] Figure 6b A schematic diagram showing a cathode current collecting plate according to one embodiment; and

[0057] Figure 7 An exploded view of a deoxygenation device according to another embodiment is shown.

[0058] Reference numerals list

[0059] 1 Storage container

[0060] 2 Deoxygenation device

[0061] 11 Container wall

[0062] 12 Storage compartments

[0063] 21 End plate

[0064] 22 Anode diffusion layer

[0065] 23 Cathode diffusion layer

[0066] 24 Ion exchange membrane components

[0067] 25 Anode assembly

[0068] 26 Cathode assembly

[0069] 27 Anode elastic plate

[0070] 28 Anode current collector

[0071] 29 Cathode elastic plate

[0072] 30 cathode current collector

[0073] 31 First insulation board

[0074] 32 Ion exchange membrane

[0075] 33 Second insulation board

[0076] 40 Through hole

[0077] 271 first end surface of anode elastic plate

[0078] 272 First convex part

[0079] 273 First recess

[0080] 274 second end surface of anode elastic plate

[0081] 275 First Support Structure

[0082] 276 First Gap

[0083] 281 First end surface of anode current collector

[0084] 282 Second convex part

[0085] 283 Anode terminal

[0086] 291 First end surface of cathode elastic plate

[0087] 292 The third convex part

[0088] 293 Second recess

[0089] 294 Second Gap

[0090] 295 The second end surface of the cathode elastic plate

[0091] 296 Second support structure

[0092] 301 First end surface of cathode current collecting plate

[0093] 302 The fourth convex part

[0094] 303 cathode terminal

[0095] 311 First middle opening

[0096] 331 Second middle opening DETAILED DESCRIPTION

[0097] In order to make the technical problems, technical solutions and beneficial technical effects to be solved by the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and multiple exemplary embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the scope of protection of the present application.

[0098] In the absence of conflict, the features in the embodiments of the present application can be combined with each other. In different drawings, the same components are represented by the same reference numerals, and other components are omitted for the sake of brevity, but this does not mean that the technical solution of the present application cannot include other components. It should be understood that the size, proportional relationship and number of components in the drawings are not intended to limit the present application.

[0099] Below, various embodiments of the present application are described in detail with reference to the accompanying drawings.

[0100] Figure 1 A schematic perspective view of a storage container 1 for a fresh-keeping device according to an embodiment is shown. According to this embodiment, the fresh-keeping device (not shown) is a refrigerator, and the storage container 1 is arranged in the fresh-keeping device and serves as a refrigerating compartment or freezing compartment of the fresh-keeping device for storing food.

[0101] The storage container 1 includes a container wall 11 and a storage compartment 12. The storage compartment 12 can be configured as a drawer compartment and can be pulled out or retracted relative to the container wall 11. Figure 1 As shown by way of example, a deoxygenation device 2 is arranged on the container wall 11 , which serves to remove or at least reduce the oxygen in the interior of the storage container 1 .

[0102] Figure 2 A schematic diagram of a deoxygenation device 2 according to an embodiment is shown. Figure 3 Shows Figure 2 An exploded view of the deaerator 2 in FIG.

[0103] like Figure 2 As shown, the deaerator 2 is rectangular and flat in the assembled state. Of course, the deaerator 2 can also be configured in other shapes, such as round, oval or irregular shapes. Figure 3 As shown, the deoxygenation device 2 includes two end plates 21, an anode diffusion layer 22, a cathode diffusion layer 23, an ion exchange membrane assembly 24, an anode assembly 25, and a cathode assembly 26. The anode diffusion layer 22 and the cathode diffusion layer 23, the anode assembly 25 and the cathode assembly 26, and the two end plates 21 are symmetrically arranged with respect to the ion exchange membrane assembly 24.

[0104] The anode assembly 25 is arranged outside the anode diffusion layer 22 and includes an anode elastic plate 27 and an anode current collecting plate 28. The cathode assembly 26 is arranged outside the cathode diffusion layer 23 and includes a cathode elastic plate 29 and a cathode current collecting plate 30. The anode current collecting plate 28 and the cathode current collecting plate 30 are used to receive and conduct current to provide the current required for the electrochemical reaction of the deoxygenation device 2.

[0105] According to one embodiment, the catalyst layers may be coated respectively on the anode diffusion layer 22 and the cathode diffusion layer 23. Alternatively, the catalyst layers may also be coated on both sides of the ion exchange membrane, thereby achieving electrochemical reactions at the anode and the cathode.

[0106] According to this embodiment, the ion exchange membrane 32 is a cation exchange membrane coated with a catalyst layer. Therefore, the electrochemical reaction formula at the anode is: 2H2O→O2+4H + +4e - , and the electrochemical reaction at the cathode is: O2+4H + +4e - →2H2O.

[0107] According to another embodiment, the ion exchange membrane may also be an anion exchange membrane coated with a catalyst layer. Therefore, the electrochemical reaction formula at the anode is: 4OH-→O2+2H2O+4e-, and the electrochemical reaction formula at the cathode is: O2+2H2O+4e-→4OH-.

[0108] According to this embodiment, the anode elastic plate 27 and the cathode elastic plate 29 are composed of an elastomer.

[0109] In addition, according to this embodiment, the two end plates 21 are made of metal or plastic. The anode diffusion layer 22 is made of titanium felt, and the cathode diffusion layer 23 is made of carbon paper. The anode diffusion layer 22, the cathode diffusion layer 23, the anode current collecting plate 28 and the cathode current collecting plate 30 have the same outer contour.

[0110] In this embodiment, the two end plates 21, the anode elastic plate 27, the cathode elastic plate 29, the anode current collecting plate 28 and the cathode current collecting plate 30 have the same through-grid structure in the middle area, so that the second end surface of the cathode current collecting plate 30 facing away from the ion exchange membrane assembly 24 is at least partially exposed to the interior of the storage container 1, and the end surface of the anode current collecting plate 28 facing away from the ion exchange membrane assembly 24 is at least partially exposed to the outside of the storage container 1.

[0111] The anode current collecting plate 28 has an anode terminal 283, and the cathode current collecting plate 30 has a cathode terminal 303. The anode terminal 283 and the cathode terminal 303 are respectively connected to the positive and negative electrodes of a power source (not shown), thereby realizing electrochemical reactions at the anode and the cathode.

[0112] The two end plates 21, the anode elastic plate 27, the cathode elastic plate 29 and the ion exchange membrane assembly 24 (in Figure 3 In the embodiment of FIG. 1 , the edges of the ion exchange membrane 32 and the first insulating plate 31 are provided with the same number of through holes 40 corresponding to each other. Figure 2 and Figure 3 In the embodiment, eight through holes 40 are provided, and the two end plates 21, the anode elastic plate 27, the cathode elastic plate 29, and the ion exchange membrane assembly 24 are connected and clamped relative to each other by means of bolts passing through the through holes 40 to assemble the deoxygenation device 2.

[0113] When the anode current collector 28, the anode diffusion layer 22 and the cathode current collector 30, the cathode diffusion layer 23 are clamped on both sides of the ion exchange membrane assembly 24, due to the possible small deformation, air gaps may be generated at the parts in contact with the ion exchange membrane assembly 24, thereby causing leakage of the reaction gas. At the same time, due to the porous material properties of the gas diffusion layer, gas leakage may also occur on the anode diffusion layer 22 and the cathode diffusion layer 23. This not only reduces the deoxygenation effect of the deoxygenation device 2, but also may cause safety hazards.

[0114] For this purpose, the anode component 25 and / or the cathode component 26 is designed to be clamped so as to rest in a gas-tight manner on the ion exchange membrane component 24 .

[0115] According to one embodiment, the ion exchange membrane assembly 24 includes an ion exchange membrane 32 , and the anode assembly 25 and / or the cathode assembly 26 are directly attached to both sides of the ion exchange membrane 32 in an airtight manner.

[0116] According to another embodiment, Figure 2 and Figure 3As shown, a first insulating plate 31 is arranged between the anode diffusion layer 22 and the ion exchange membrane assembly 24, and the first insulating plate 31 has a first middle opening 311. The size of the first middle opening 311 is smaller than, in particular slightly smaller than, the size of the outer contour of the anode diffusion layer 22, so that in the assembled state of the deoxygenator 2, at least the edge of the anode diffusion layer 22 does not contact the surface of the ion exchange membrane 32. Since the anode diffusion layer 22 is made of titanium felt, burrs may be generated on the edge of the anode diffusion layer 22 due to material reasons. If the burr abuts against and pierces the ion exchange membrane 32, it may cause the anode diffusion layer 22 (e.g., titanium felt) to contact the cathode diffusion layer 23 (e.g., carbon paper), which may cause a short circuit and thereby cause a malfunction of the deoxygenator 2. By Figure 3 As shown, a first insulating plate 31 is provided, and the edge of the titanium felt only rests on the first insulating plate 31 and does not contact the ion exchange membrane 32 , thereby advantageously avoiding the risk of short circuit.

[0117] Below, refer to Figures 4a to 6b And combined with Figures 1 to 3 The embodiments of the present application are further described.

[0118] Figure 4a FIG. 2 shows a schematic diagram of a first end surface 271 of an anode elastic plate 27 according to an embodiment, Figure 4b Shows Figure 4a AA cross-sectional view of the anode elastic plate 27 in FIG.

[0119] In this embodiment, in order to prevent leakage on the anode side, a surrounding first protrusion 272 is configured on the first end surface 271 of the anode elastic plate 27 facing the anode diffusion layer 22. The first protrusion 272 is arranged around the grid structure and protrudes from the first end surface 271 (see Figure 4b Thus, in the assembled state of the deoxidizer 2, the first protrusion 272 is airtightly attached to the first insulator 31 (such as Figure 3 As shown), or in the absence of the first insulator 31, it is attached to the ion exchange membrane 32.

[0120] According to one embodiment, the first protrusion 272 is elastically configured, so that when it is in contact with the first insulator 31, the first protrusion 272 can be partially elastically deformed, thereby reliably ensuring the airtight contact between the first protrusion 272 and the first insulator 31. Since the force applied to the first insulator 31 is also applied to the ion exchange membrane 32, the airtight contact is also ensured. Alternatively, when it is directly in contact with the ion exchange membrane 32, the first protrusion 272 can be partially elastically deformed, thereby reliably ensuring the airtight contact between the first protrusion 272 and the ion exchange membrane 32.

[0121] In addition, according to this embodiment, a first notch 276 is configured on the first protrusion 272, and the shape of the first notch 276 corresponds to the shape of the anode terminal 283. Therefore, in the assembled state of the deoxygenation device 2, the anode terminal 283 can be accommodated in the first notch 276 without being clamped between the first protrusion 272 and the ion exchange membrane assembly 24, thereby also avoiding the existence of a gap between the first protrusion 272 and the ion exchange membrane assembly 24 due to the thickness of the anode terminal 283.

[0122] Figure 4c FIG. 2 shows a schematic diagram of a first end surface 271 of an anode elastic plate 27 according to another embodiment, Figure 4d Shows Figure 4c BB cross-sectional view of the anode elastic plate 27 in FIG.

[0123] In this embodiment, Figure 4a Different from the first end surface in FIG. 2 , a first recess 273 is formed on the first end surface 271 of the anode elastic plate 27. Figure 4d As shown, the first recess 273 is recessed relative to the first end surface 271. The grid structure is constructed in the first recess 273. Thus, in the assembled state of the deoxygenator 2, the edge of the first recess 273 is airtightly attached to the ion exchange membrane 32 or the first insulating plate 31. Thus, the thickness of the anode elastic plate 27 can be further reduced while ensuring airtight attachment.

[0124] Figure 4e Shows Figure 4a A schematic diagram of the second end surface 274 of the anode elastic plate 27, Figure 4f Shows Figure 4e CC cross-sectional view of the anode elastic plate 27.

[0125] like Figure 4e As shown, a protruding first support structure 275 is constructed on the second end surface 274 of the anode elastic plate 27 away from the anode diffusion layer 22. The first support structure 275 is constructed as a grid structure and protrudes relative to the second end surface 274 (see Figure 4f ). Therefore, in the assembled state of the deaerator 2, the first support structure 275 can be supported on one end plate 21, for example, on the middle area of ​​one end plate 21. Therefore, by clamping the first support structure 275, an additional clamping force is applied in the direction of the ion exchange membrane assembly 24, ensuring that the anode diffusion layer 22 and additionally the cathode diffusion layer 23 are in close contact with the ion exchange membrane 32.

[0126] According to another embodiment, the first supporting structure 275 may also be configured on the first end surface 271 of the anode spring plate 27 facing the anode diffusion layer 22 , thereby also being able to achieve the aforementioned additional clamping force.

[0127] Figure 5a FIG. 2 is a schematic diagram showing a first end surface 291 of a cathode elastic plate 29 according to an embodiment.

[0128] and Figure 4a Similarly, in Figure 5a In order to avoid leakage on the cathode side, a surrounding third protrusion 292 is constructed on the first end surface 291 of the cathode elastic plate 29 facing the cathode diffusion layer 23. The third protrusion 292 is arranged around the grid structure and protrudes from the first end surface 291. Therefore, in the assembled state of the deaerator 2, the third protrusion 292 is airtightly attached to the ion exchange membrane assembly 24 (see also Figure 3 ). In this embodiment, the cathode elastic plate 29 and the anode elastic plate 27 are identical to each other and are mirror-imaged.

[0129] According to one embodiment, the third protrusion 292 is also elastically constructed, so when it is in contact with the ion exchange membrane assembly 24, the third protrusion 292 can undergo local elastic deformation, thereby reliably ensuring the airtight contact between the third protrusion 292 and the ion exchange membrane 32.

[0130] In addition, according to this embodiment, a second notch 294 is configured on the third protrusion 292, and the shape of the second notch 294 corresponds to the shape of the cathode terminal 303. Therefore, in the assembled state of the deoxygenation device 2, the cathode terminal 303 can be accommodated in the second notch 294 without being clamped between the third protrusion 292 and the ion exchange membrane 32, thereby also avoiding the existence of a gap between the third protrusion 292 and the ion exchange membrane 32 due to the thickness of the cathode terminal 303.

[0131] Figure 5b FIG. 2 shows a schematic diagram of a first end surface 291 of a cathode elastic plate 29 according to another embodiment. Figure 4c Similarly, in Figure 5b In the embodiment, a second recess 293 is formed on a first end surface 291 of the cathode elastic plate 29 facing the cathode diffusion layer 23. The second recess 293 is recessed relative to the first end surface 291. Figure 5b As shown, the grid structure is formed in the second recess 293. In the assembled state of the deaerator 2, the edge of the second recess 293 rests against the ion exchange membrane 32 in a gas-tight manner.

[0132] Figure 5c FIG. 2 shows a schematic diagram of the second end surface 295 of the cathode elastic plate 29 according to an embodiment. Figure 4eCorrespondingly, a protruding second support structure 296 is constructed on the second end face 295 of the cathode elastic plate 29 that faces away from the cathode diffusion layer 23, and the second support structure 296 is also constructed as a grid structure and protrudes relative to the second end face 295. Therefore, in the assembled state of the deaerator 2, the second support structure 296 can be supported on the other end plate 21, for example, on the middle area of ​​the other end plate 21. Therefore, by clamping the second support structure 296 and applying an additional clamping force in the direction of the ion exchange membrane assembly 24, it is ensured that the cathode diffusion layer 23 and the anode diffusion layer 22 are in close contact with the ion exchange membrane 32.

[0133] In addition, Figure 4c Similar to the first supporting structure 275, the second supporting structure 296 can reduce or even prevent the deformation of the other end plate 21 in the assembled state of the deaerator 2. In addition, the second supporting structure 296 also constitutes a reinforcing structure similar to a reinforcing rib.

[0134] Alternatively or additionally, a protruding second supporting structure 296 may also be formed on the first end face 291 of the cathode spring plate 29 facing the cathode diffusion layer 23. In this way, the additional clamping force described above can also be achieved.

[0135] Figure 6a A schematic diagram of an anode current collecting plate 28 according to one embodiment is shown.

[0136] As Figures 4a to 4f In addition or alternative to the embodiments of Figure 6a In the embodiment, a surrounding second protrusion 282 can be constructed on the edge of the first end face 281 of the anode current collector 28 facing the anode diffusion layer 22. The second protrusion 282 is constructed around the grid structure of the anode current collector 28 and is elastically constructed. In the assembled state of the deaerator 2, the second protrusion 282 can also be airtightly attached to the ion exchange membrane assembly 24 (directly attached to the ion exchange membrane 32 or the first insulating plate 31), so that leakage of the anode reaction gas can also be avoided alternatively or additionally.

[0137] Figure 6b FIG. 2 shows a schematic diagram of a cathode current collecting plate 30 according to an embodiment. Figure 6a Similarly, in Figure 6b In the embodiment, a surrounding fourth protrusion 302 may also be constructed on the edge of the first end surface 301 of the cathode current collecting plate 30 facing the cathode diffusion layer 23. The fourth protrusion 302 is constructed around the grid structure of the cathode current collecting plate 30 and is elastically constructed. In the assembled state of the deoxygenation device 2, the fourth protrusion 302 is airtightly attached to the ion exchange membrane 32, thereby also avoiding leakage of the cathode reaction gas alternatively or additionally.

[0138] Figure 7An exploded view of a deoxygenation device 2 according to another embodiment is shown.

[0139] Different from the above-mentioned embodiments of the deoxygenation device 2, in particular Figure 3 The embodiments in are different, such as Figure 7 As shown, the ion exchange membrane assembly 24 further includes a second insulating plate 33, which is constructed in the same manner as the first insulating plate 31. The ion exchange membrane 32 is arranged between the first insulating plate 31 and the second insulating plate 33, and the cathode assembly 26 is attached to the second insulating plate 33, wherein the second insulating plate 33 has a second central opening 331.

[0140] In this embodiment, the size of the second middle opening 331 is smaller than, in particular slightly smaller than, the size of the outer contour of the cathode diffusion layer 23, so that in the assembled state of the deoxygenation device 2, at least the edge of the cathode diffusion layer 23 does not contact the surface of the ion exchange membrane 32. Thus, it is also ensured that the edge material of the cathode diffusion layer 23 will not penetrate the ion exchange membrane 32 and contact the anode diffusion layer 22 to cause a short circuit.

[0141] When cathode diffusion layer 23 is configured as carbon paper, for example, the probability of the edge of cathode diffusion layer 23 piercing ion exchange membrane 32 is very low due to the material of cathode diffusion layer 23 . Therefore, the size of second middle opening 331 can also be configured independently of the edge size of cathode diffusion layer 23 .

[0142] In this embodiment, the edges of the two end plates 21, the anode elastic plate 27, the cathode elastic plate 29, the first insulating plate 31 and the second insulating plate 33 are provided with the same number of through holes 40 corresponding to each other, and bolts are passed through the through holes 40 (see Figure 2 ) The two end plates 21, the anode elastic plate 27, the cathode elastic plate 29, the first insulating plate 31 and the second insulating plate 33 are connected and clamped relative to each other to assemble the deoxygenation device 2, wherein the ion exchange membrane 32 is clamped between the first insulating plate 31 and the second insulating plate 33.

[0143] According to another embodiment, the first insulating plate 31, the second insulating plate 33 and the ion exchange membrane 32 are integrally constructed. That is, the ion exchange membrane assembly 24 is constructed as a prefabricated part having a sandwich structure. Therefore, the size of the ion exchange membrane 32 is larger than, especially slightly larger than, the size of the first middle opening 311 of the first insulating plate 31 and the size of the second middle opening 331 of the second insulating plate 33, and is significantly smaller than the outer contour size of the two insulating plates or the outer contour size of the deoxygenation device 2. This not only saves the material cost and manufacturing cost of the ion exchange membrane 32, but also further reduces the assembly cost and improves the system integration.

[0144] In the assembled state of the deaerator 2, Figure 7 The examples in Figure 3 The embodiment in FIG. 1 is also different in that the cathode assembly 26 is airtightly attached to the second insulating plate 33 instead of directly attached to the ion exchange membrane 32 .

[0145] Figure 7 The various embodiments of the anode diffusion layer 22, the cathode diffusion layer 23, the anode current collecting plate 28, the cathode current collecting plate 30, the anode elastic plate 27 and the cathode elastic plate 29 can be referred to. Figures 4a to 6b The embodiments can be understood by referring to the embodiment of the present invention and will not be described in detail here.

[0146] The storage container 1 and the deoxygenation device 2 of the present application can also be applied to other fresh-keeping devices.

[0147] In this specification, unless otherwise clearly specified and limited, the terms "arrangement", "connection" and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, or a detachable connection, or an integral connection; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate, or a connection between the two elements. The expressions "first", "second", etc. are only used for descriptive purposes and should not be understood as indicating or implying relative importance, nor should they be understood as implicitly indicating the number of technical features indicated. Features defined as "first" or "second" can explicitly or implicitly indicate that at least one of the features is included. For those of ordinary skill in the art, the meaning of the above terms in this application can be understood according to the circumstances.

Claims

1. A storage container for a fresh-keeping device, wherein the storage container (1) is arranged in the fresh-keeping device and is used to store food, and a deoxygenation device (2) is arranged on a container wall (11) of the storage container (1), characterized in that: The deoxygenation device (2) comprises: End plate (21); an anode diffusion layer (22); A cathode diffusion layer (23); an ion exchange membrane assembly (24), the ion exchange membrane assembly (24) being sandwiched between the anode diffusion layer (22) and the cathode diffusion layer (23) by the end plate (21) and being configured to transport ions from the anode diffusion layer (22) to the cathode diffusion layer (23); an anode assembly (25) arranged outside the anode diffusion layer (22) and comprising an anode elastic plate (27) and an anode current collecting plate (28), wherein the anode current collecting plate (28) is configured to receive and conduct electric current to achieve an electrochemical reaction at the anode; and A cathode assembly (26) arranged outside the cathode diffusion layer (23) and comprising a cathode elastic plate (29) and a cathode current collecting plate (30), wherein the cathode current collecting plate (30) is configured to receive and conduct electric current to realize an electrochemical reaction at the cathode; The anode assembly (25) and / or the cathode assembly (26) are configured to be clamped and airtightly abutted against the ion exchange membrane assembly (24).

2. The storage container according to claim 1, characterized in that: A first circumferential protrusion (272) is constructed on a first end surface (271) of the anode elastic plate facing the anode diffusion layer (22), and when the deoxygenator (2) is in an assembled state, the first protrusion (272) is in airtight contact with the ion exchange membrane assembly (24); or a first concave portion (273) is constructed on a first end surface (271) of the anode elastic plate facing the anode diffusion layer (22), and when the deoxygenator (2) is in an assembled state, the edge of the first concave portion (273) is in airtight contact with the ion exchange membrane assembly (24). and / or, A surrounding second protrusion (282) is formed on the edge of the first end surface (281) of the anode current collecting plate facing the anode diffusion layer (22); when the deoxygenation device (2) is assembled, the second protrusion (282) is airtightly attached to the ion exchange membrane assembly (24). and / or, A third convex portion (292) is formed on the first end surface (291) of the cathode elastic plate facing the cathode diffusion layer (23), and when the deoxygenator (2) is in an assembled state, the third convex portion (292) is in airtight contact with the ion exchange membrane assembly (24); or a second concave portion (293) is formed on the first end surface (291) of the cathode elastic plate facing the cathode diffusion layer (23), and when the deoxygenator (2) is in an assembled state, the edge of the second concave portion (293) is in airtight contact with the ion exchange membrane assembly (24). and / or, A circumferential fourth protrusion (302) is constructed on the edge of the first end surface (301) of the cathode current collecting plate facing the cathode diffusion layer (23); when the deoxygenation device (2) is in an assembled state, the fourth protrusion (302) is airtightly attached to the ion exchange membrane assembly (24).

3. The storage container according to claim 1 or 2, characterized in that: The ion exchange membrane assembly (24) comprises an ion exchange membrane (32), the anode assembly (25) and / or the cathode assembly (26) are directly attached to the ion exchange membrane (32), or, The ion exchange membrane assembly (24) comprises an ion exchange membrane (32) and a first insulating plate (31), wherein the first insulating plate (31) is arranged between the ion exchange membrane (32) and the anode diffusion layer (22), and the anode assembly (25) is attached to the first insulating plate (31).

4. The storage container according to claim 3, characterized in that: The first insulating plate (31) has a first middle opening (311), the size of the first middle opening (311) being smaller than the size of the outer contour of the anode diffusion layer (22), so that in the assembled state of the deoxygenation device (2), at least the edge of the anode diffusion layer (22) does not contact the surface of the ion exchange membrane (32).

5. The storage container according to any one of claims 1, 2 and 4, characterized in that: A protruding first support structure (275) is constructed on a first end surface (271) of the anode elastic plate facing the anode diffusion layer (22) and / or a second end surface (274) of the anode elastic plate facing away from the anode diffusion layer (22), wherein the first support structure (275) prevents a gap from existing between the anode elastic plate (27) and the ion exchange membrane assembly (24) when the deoxygenation device (2) is assembled; and / or A protruding second support structure (296) is constructed on a first end surface (291) of the cathode elastic plate facing the cathode diffusion layer (23) and / or a second end surface (295) of the cathode elastic plate facing away from the cathode diffusion layer (23). When the deoxygenation device (2) is in an assembled state, the second support structure (296) prevents a gap from existing between the cathode elastic plate (29) and the ion exchange membrane assembly (24).

6. The storage container according to claim 2, characterized in that: The end plate (21), the anode elastic plate (27), the cathode elastic plate (29), the anode current collecting plate (28) and the cathode current collecting plate (30) have the same through-grid structure, so that the second end face of the cathode current collecting plate (30) facing away from the ion exchange membrane assembly (24) is at least partially exposed to the interior of the storage container (1), and the second end face of the anode current collecting plate (28) facing away from the ion exchange membrane assembly (24) is at least partially exposed to the outside of the storage container (1), wherein the first protrusion (272) and / or the second protrusion (282) and / or the third protrusion (292) and / or the fourth protrusion (302) are arranged along the edge of the grid; and / or The anode current collecting plate (28) has an anode terminal (283), and the cathode current collecting plate (30) has a cathode terminal (303), wherein the first protrusion (272) is configured with a first notch (276) corresponding to the anode terminal (283), and the third protrusion (292) is configured with a second notch (294) corresponding to the cathode terminal (303).

7. The storage container according to claim 4, characterized in that: The ion exchange membrane assembly (24) further comprises a second insulating plate (33), the second insulating plate (33) being constructed in the same manner as the first insulating plate (31), the ion exchange membrane (32) being arranged between the second insulating plate (33) and the first insulating plate (31), and the cathode assembly (26) being abutted against the second insulating plate (33); and / or The edges of the end plate (21), the anode elastic plate (27), the cathode elastic plate (29) and the ion exchange membrane assembly (24) are provided with the same number of through holes (40) corresponding to each other, and the end plate (21), the anode elastic plate (27), the cathode elastic plate (29) and the ion exchange membrane assembly (24) are connected and clamped relative to each other by means of bolts passing through the through holes (40) to assemble the deoxygenation device (2); and / or The anode diffusion layer (22), the cathode diffusion layer (23), the anode current collecting plate (28), the cathode current collecting plate (30) and the ion exchange membrane assembly (24) have the same outer contour.

8. The storage container according to claim 7, characterized in that: The second insulating plate (33) has a second middle opening (331), the size of the second middle opening (331) being smaller than the size of the outer contour of the cathode diffusion layer (23), so that in the assembled state of the deoxygenation device (2), at least the edge of the cathode diffusion layer (23) does not contact the surface of the ion exchange membrane (32); and / or The first insulating plate (31), the second insulating plate (33) and the ion exchange membrane (32) are integrally constructed, wherein the size of the ion exchange membrane (32) is larger than the size of the first middle opening (311) and the second middle opening (331).

9. The storage container according to claim 2, characterized in that: The anode diffusion layer (22) is made of titanium felt; and / or The cathode diffusion layer (23) is made of carbon paper; and / or The end plate (21) is made of metal or plastic; and / or The first protrusion and / or the second protrusion and / or the third protrusion and / or the fourth protrusion are elastically configured; and / or The deaerator (2) is designed in a rectangular, circular or elliptical shape; and / or The anode elastic plate (27) and the cathode elastic plate (29) are constructed of elastomer.

10. A fresh-keeping device, characterized in that: The fresh-keeping device comprises a storage container according to any one of claims 1 to 9.

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