CN215295494U

CN215295494U - Refrigerator with a door

Info

Publication number: CN215295494U
Application number: CN202121811346.1U
Authority: CN
Inventors: 曲晓雷; 杨大海
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Shandong Refrigerator Co Ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-12-24
Anticipated expiration: 2031-08-03

Abstract

The utility model provides a refrigerator, which comprises a refrigerator body, a storage box and a dehumidification component; the box body constructs a refrigeration chamber with an opening at the front side; the storage box is arranged in the refrigerating chamber; a storage space is defined in the storage box; the storage box is provided with an installation opening which penetrates through the refrigeration compartment and the storage space; the dehumidifying component seals the mounting opening; the dehumidifying assembly includes a positive electrode plate, a negative electrode plate, an electrolytic film sandwiched between the positive electrode plate and the negative electrode plate, and a heating member for heating the electrolytic film. The positive plate faces the storage space, the negative plate faces the refrigerating chamber, and water vapor in the storage space is decomposed into hydrogen ions and oxygen by the positive plate so as to consume moisture in the storage space; hydrogen ions pass through the electrolytic membrane and move towards the negative plate; therefore, moisture in the storage space is removed to realize dehumidification, and the dehumidification is not influenced by temperature and cannot cause pollution.

Description

Refrigerator with a door

Technical Field

The utility model relates to a refrigeration technology field, in particular to refrigerator.

Background

Dried food materials belong to a group of food materials commonly found in life, such as dried agaric, dried mushroom, dried sea cucumber, bird's nest, biscuits, sea sedge, various dried fruits and the like, which require storage conditions with relatively low relative humidity. If the humidity is too high, the taste of the dried food material is affected after the water absorption, and the dried food material is easy to mildew. There is a wide user demand to provide a dedicated dry food material area in a refrigerator.

At present, the dehumidification mode that air-cooled refrigerator carried is two kinds usually, and one is cooling dehumidification technique, makes steam reach condensation point promptly and realizes the liquefaction discharge through the mode of cooling, blows in the interior humidity reduction of room realization space with dry air conditioning. The dehumidification efficiency of the dehumidification method is influenced by temperature, the dehumidification limit exists in the refrigerator, and the dehumidification method is limited by the starting and stopping of a compressor in the refrigerator. And the other one is that a dehumidifying material is added to absorb or adsorb water vapor in the compartment so as to realize the effect of reducing the humidity, the method is simple and easy to implement, but the water absorbing material usually has a water absorption limit, and needs to be replaced periodically when the water absorption capacity of the material reaches saturation, and the water absorbing material occupies a certain space when being stored in the refrigerator, and is easy to contact with food so as to pollute the food.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a refrigerator, it dehumidifies through the mode of electrolysis, and its dehumidification mode is not influenced by the temperature, and can not cause the pollution.

In order to solve the technical problem, the utility model adopts the following technical scheme:

according to one aspect of the utility model, the utility model provides a refrigerator, which comprises a box body, a storage box and a dehumidification component; the box body constructs a refrigeration chamber with an opening at the front side; the storage box is arranged in the refrigerating chamber; a storage space is defined in the storage box; the storage box is provided with an installation opening which penetrates through the refrigerating chamber and the storage space; the dehumidifying component closes the mounting opening; the dehumidifying component comprises a positive plate, a negative plate, an electrolytic film clamped between the positive plate and the negative plate, and a heating element for heating the electrolytic film; the positive plate faces the storage space, and the negative plate faces the refrigerating compartment.

In some embodiments, a conductive layer is disposed between the positive electrode plate and the electrolytic film and between the negative electrode plate and the electrolytic film, respectively; the conductive layer is abutted against the electrolytic film; the heating member is arranged corresponding to the conducting layer and is abutted against the conducting layer.

In some embodiments, the heating members are provided in two, and two of the heating members are provided corresponding to one of the conductive layers, respectively.

In some embodiments, the two conductive layers are annular structures, and the surfaces of the positive electrode plate and the negative electrode plate facing the electrolytic film are respectively provided with accommodating grooves for accommodating the corresponding conductive layers.

In some embodiments, the heating element is an annular structure; the heating member is located in the accommodating groove.

In some embodiments, the accommodating groove is filled with heat insulation cotton to fill a gap between the side wall of the accommodating groove and the conductive layer and a gap between the side wall of the accommodating groove and the heating element.

In some embodiments, the heating element is attached to a side of the conductive layer facing away from the electrolyte membrane.

In some embodiments, the negative plate is provided with a through hole penetrating through the electrolytic membrane and the refrigerating chamber; the positive plate is provided with a through hole which penetrates through the storage space and the electrolytic film; the via and the through-hole are in different shapes.

In some embodiments, fixing holes are correspondingly formed between the positive plate and the negative plate so as to connect and press the positive plate and the negative plate through fasteners to clamp the electrolyte membrane between the positive plate and the negative plate.

In some embodiments, the storage box includes a housing secured within a refrigerated compartment and a drawer disposed on the housing; the drawer is slidably covered on the front side of the shell; the mounting opening is formed in the shell.

According to the above technical scheme, the utility model discloses following advantage and positive effect have at least:

the utility model discloses in, inject the storing space in the storing box to be used for placing food. The positive plate faces the storage space, the negative plate faces the refrigerating chamber, and water vapor in the storage space is decomposed into hydrogen ions and oxygen by the positive plate so as to consume moisture in the storage space; hydrogen ions pass through the electrolytic membrane and move towards the negative plate; therefore, moisture in the storage space is removed to realize dehumidification, and the dehumidification is not influenced by temperature and cannot cause pollution.

Drawings

Fig. 1 is a schematic structural diagram of a view angle of an embodiment of the refrigerator of the present invention.

Fig. 2 is a schematic structural diagram of another view angle of the embodiment of the refrigerator of the present invention.

Fig. 3 is a schematic view of a connection structure between a drawer and a dehumidifying apparatus according to an embodiment of the refrigerator of the present invention.

Fig. 4 is a schematic view of a viewing angle of a dehumidifying device according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of another view angle of the dehumidification device according to the embodiment of the present invention.

Fig. 6 is an exploded schematic view of a dehumidifying device according to an embodiment of the present invention.

FIG. 7 is a schematic structural view of an electrolytic membrane according to an embodiment of the present invention.

Fig. 8 is a comparison diagram of dehumidification effect of the embodiment of the refrigerator of the present invention.

The reference numerals are explained below: 100. a box body; 110. a refrigeration compartment; 200. a storage box; 210. a housing; 220. a drawer; 230. a storage space; 300. a dehumidifying device; 310. a positive plate; 311. a containing groove; 312. a via hole; 320. an electrolytic film; 321. a proton exchange membrane; 322. a positive electrode catalyst coating; 323. a negative electrode catalyst coating; 330. a negative plate; 331. perforating; 340. a positive electrode conductive layer; 350. a negative electrode conductive layer; 360. a positive electrode heating member; 370. a negative electrode heating member; 380. a fixing hole; 390. a fastener; 400. and (4) a box door.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

For convenience of description and understanding, the direction of the refrigerator facing the user is front, and the direction of the refrigerator facing away from the user is rear, with reference to the state of the refrigerator cube when in use.

Fig. 1 is a schematic structural diagram of a view angle of an embodiment of the refrigerator of the present invention. Fig. 2 is a schematic structural diagram of another view angle of the embodiment of the refrigerator of the present invention.

Referring to fig. 1 and 2, the present embodiment provides a refrigerator including a cabinet 100, a drawer 220 accommodated in the cabinet 100, a dehumidifying apparatus 300 disposed on the drawer 220, a door 400 rotatably covering the cabinet 100, and a refrigerating assembly (not shown) for refrigerating.

The cabinet 100 is formed with a refrigerating compartment 110 for storing articles. In this embodiment, the refrigerating compartment 110 in the cabinet 100 includes a refrigerating compartment and a freezing compartment, and the drawer 220 is disposed in the refrigerating compartment.

The drawer 220 is used to store articles. The dehumidifying apparatus 300 is disposed on the drawer 220 for dehumidifying the drawer 220 so as to store various dry fruit food materials such as dry agaric, dry mushroom, dried sea cucumber, bird's nest, biscuit, sea sedge, etc. in the drawer 220.

The door 400 is openably and closably closed at an opening of the cabinet 100 to close or open the refrigerating compartment 110 of the cold cabinet 100. In the attached figure 1, a side-by-side refrigerator is taken as an example, and the refrigerator can also be other different types of refrigerators such as other single-door refrigerators, upper and lower double-door refrigerators, three-door refrigerators and the like. The specific structure of the door 400 refers to the structure in the related art, and is not described in detail herein.

The refrigerating assembly is used for providing cold energy into the refrigerating chamber and the freezing chamber so as to maintain the low-temperature environment in the refrigerating chamber and the freezing chamber. The refrigeration assembly comprises a compressor, a condenser, an evaporator, a capillary tube and the like. The specific structure and connection relationship of the refrigeration assembly refer to the refrigeration assembly in the related art, and are not described in detail herein.

Fig. 3 is a schematic view of a connection structure between a drawer 220 and a dehumidifying apparatus 300 according to an embodiment of the present invention.

Referring to fig. 1 and 2, the drawer 220 includes a housing 210 fixed in the refrigerating compartment 110, and the drawer 220 disposed on the housing 210. The housing 210 has a hollow structure with an open front, and the drawer 220 slidably covers the front of the housing 210 to open or close the housing 210. A storage space 230 for placing food materials is defined between the housing 210 and the drawer 220.

The drawer 220 is slidably coupled within the housing 210 to be able to extend into or withdraw from the housing 210; the drawer 220 is inserted into the housing 210 to close the opening of the housing 210. After the drawer 220 is drawn out of the housing 210, food can be taken in and out of the drawer 220. After the drawer 220 is inserted into the housing 210, the front sidewall of the drawer 220 closes the opening of the housing 210, such that the storage box 200 forms a relatively closed environment to store food in the drawer 220 in the closed storage box 200.

In this embodiment, the housing 210 has a mounting opening (not shown), and the dehumidifying apparatus 300 is disposed at the mounting opening and seals the mounting opening. In this embodiment, the bottom of the housing 210 is supported in the cooling compartment 110, and the mounting opening is disposed on the upper wall of the housing 210, so that the air flowing over the storage box 200 is better when the dehumidifying device 300 is in operation.

In some embodiments, the mounting opening is provided on a side wall of the housing 210 or a front wall of the drawer 220.

In other embodiments, the storage box 200 includes a housing 210 and a cover plate covering the housing 210. The housing 210 is a hollow structure with an opening at one side, and the cover plate covers the opening of the housing 210. The opening of the housing 210 is disposed forward or upward. The mounting opening is disposed on the housing 210 or the cover plate.

Fig. 4 is a schematic view of a viewing angle of a dehumidifying device according to an embodiment of the present invention. Fig. 5 is a schematic structural diagram of another view angle of the dehumidification device according to the embodiment of the present invention. Fig. 6 is an exploded schematic view of a dehumidifying device according to an embodiment of the present invention.

Referring to fig. 2 to 6, the dehumidifying apparatus 300 is used to decompose water into oxygen and hydrogen ions. The dehumidifying device 300 is fixed on the storage box 200 and is arranged corresponding to the mounting opening of the storage box 200, such that one side of the dehumidifying device 300 faces the storage space 230 of the storage box 200 and is communicated with the storage space 230 of the storage box 200, and the other side faces the refrigerating compartment 110 and is communicated with the refrigerating compartment 110; the dehumidifying apparatus 300 decomposes the water vapor in the storage space 230 into oxygen and hydrogen ions, and the hydrogen ions pass through the dehumidifying apparatus 300 into the refrigerating compartment 110, thereby removing the moisture in the storage space 230.

In this embodiment, the dehumidifying apparatus 300 includes a positive electrode plate 310, an electrolyte membrane 320, and a negative electrode plate 330 stacked in this order, and the electrolyte membrane 320 is sandwiched between the positive electrode plate 310 and the negative electrode plate 330 to position and support the electrolyte membrane 320.

Referring to fig. 7, the electrolyte membrane 320 may be divided into three layers including a middle proton exchange membrane 321, and a positive electrode catalyst coating 322 and a negative electrode catalyst coating 323 respectively disposed on both sides of the proton exchange membrane 321. The electrolyte membrane 320 is energized to split the water on the positive electrode side into oxygen gas and hydrogen ions, and the hydrogen ions pass through the electrolyte membrane 320 and react with the oxygen gas on the negative electrode side of the electrolyte membrane 320 to form water or water vapor on the negative electrode side. The structure of the electrolytic film 320 refers to the structure of the electrolytic film 320 in the related art, and is not described in detail herein.

The chemical reaction formulas of the anode catalyst coating 322 and the cathode catalyst coating 323 are respectively:

positive electrode catalyst coating layer 322: 2H2O → O2+4H + +4 e-;

anode catalyst coat 323: o2+4H + +4e- → 2H 2O.

The electrolyte membrane 320 includes a proton-conducting polymer, a porous membrane, and at least one active ingredient. The active ingredient is dispersed in the proton-conducting polymer, and the proton-conducting polymer is absorbed into and filled in the pores of the porous membrane. In one embodiment, the proton conducting polymer is polystyrene sulfonic acid (PSSA) or carboxymethyl cellulose (CMC); the porous membrane is Polytetrafluoroethylene (PTFE) or Fluorinated Ethylene Propylene (FEP) or polyolefin film or fluorinated ethylene propylene or glass fiber or ceramic fiber or polymer fiber; the active component is silica gel suitable for electroosmotic flow, and the dispersed silica gel concentration is not more than 5% of the mass of the proton exchange membrane 321.

Referring to fig. 2 to 6 again, in the present embodiment, the positive electrode plate 310 and/or the negative electrode plate 330 are embedded in the mounting opening of the storage box 200, such that the positive electrode plate 310 faces the storage space 230 and the negative electrode plate 330 faces the refrigerating compartment 110. The dehumidifying device 300 is embedded in the installation opening, so that the installation of the dehumidifying device 300 does not occupy too much space in the storage box 200, and the installation of the dehumidifying device 300 does not have great influence on the space of the refrigerating compartment 110.

In this embodiment, the dehumidifying apparatus 300 further includes two conductive layers for conducting electricity to both sides of the electrolyte membrane 320, namely, a positive conductive layer 340 disposed between the positive electrode plate 310 and the electrolyte membrane 320, and a negative conductive layer 350 disposed between the negative electrode plate 330 and the electrolyte membrane 320. The positive electrode conductive layer 340 abuts on a surface of the electrolytic film 320 facing the storage space 230, and the negative electrode conductive layer 350 abuts on a surface of the electrolytic film 320 facing the refrigerating compartment 110.

In this embodiment, the positive conductive layer 340 and the negative conductive layer 350 are both annular structures, so that the positive conductive layer 340 and the negative conductive layer 350 are both formed with channels through which water or gas flows.

In some embodiments, no conductive layer is disposed on both sides of the electrolyte membrane 320, and both sides of the electrolyte membrane 320 are directly connected to a power source.

The dehumidifying apparatus 300 further includes a heating member for heating the electrolyte membrane 320, and controls the reaction temperature of the electrolyte membrane 320 by heating the electrolyte membrane 320, thereby increasing the speed of electrolysis.

In this embodiment, the heating element is disposed corresponding to the conductive layer and abuts against the conductive layer. The heating members are provided in two, a positive electrode heating member 360 and a negative electrode heating member 370. The positive heating member 360 abuts against the positive conductive layer 340. The negative electrode heating member 370 abuts against the negative electrode conductive layer 350.

In this embodiment, the heating element is a heating wire, and the positive electrode heating element 360 is attached to a side of the positive electrode heating element 360 facing away from the electrolytic film 320; the negative electrode heating member 370 is attached to the side of the negative electrode conductive layer 350 facing away from the electrolyte membrane 320, and the heating member does not directly contact the electrolyte membrane 320, so that heat on the heating member is transferred to the electrolyte membrane 320 through the conductive layer, and damage to the electrolyte membrane 320 caused by the temperature of the heating member can be effectively avoided. In some embodiments, a heating element is positioned between the conductive layer and the electrolyte membrane 320, and the heating element directly contacts the electrolyte membrane 320 to heat the electrolyte membrane 320.

In this embodiment, the heating member has an annular structure, and the annular structure of the heating member is matched with the annular structure of the corresponding heat conduction layer. The surfaces of the positive electrode plate 310 and the negative electrode plate 330 facing the electrolyte film 320 are respectively opened with receiving grooves 311 for receiving corresponding conductive layers. The conductive layer and the heating member are received in the corresponding receiving grooves 311 to maintain the shapes and positions of the conductive layer and the heating member.

The containing groove 311 is filled with heat preservation cotton to fill the gap between the side wall of the containing groove 311 and the conductive layer and the gap between the side wall of the containing groove 311 and the heating member, so that heat can be effectively prevented from being lost to the outside, and a heat preservation effect is achieved. The heat insulation cotton in the accommodating groove 311 also plays a role in supporting, and the heat conduction layer and the heating element are kept in the accommodating groove 311. In this embodiment, the heat-insulating cotton is asbestos.

The setting of storage tank 311 can be effectual fixes a position and supports the conducting layer and the heating member to make things convenient for the quick installation and the location of conducting layer and heating member, and can effectually guarantee that the mounted position of conducting layer is stable.

In this embodiment, the positive electrode plate 310 and the negative electrode plate 330 are correspondingly provided with fixing holes 380 to connect and press the positive electrode plate 310 and the negative electrode plate 330 by fasteners 390, so as to clamp and fix the positive electrode conductive layer 340, the electrolyte film 320, the negative electrode conductive layer 350 and the corresponding heating members between the negative electrode plate 330 and the positive electrode plate 310.

The fixing holes 380 are provided in plurality at the edges of the positive and

negative electrode plates

310 and 330. In this embodiment, the fixing holes 380 correspondingly penetrate through the electrolyte membrane 320 so that the fasteners 390 can support the electrolyte membrane 320.

The negative plate 330 is provided with a perforation 331 penetrating through the electrolytic film 320 and the refrigerating compartment 110; the positive plate 310 is provided with a through hole 312 which penetrates through the storage space 230 and the electrolytic film 320; the perforations 331 and the air holes are formed to ensure that the electrolyte membrane 320 is in contact with air on both sides thereof, so as to form a passage for the flow of air on both sides of the electrolyte membrane 320.

The through holes 331 are formed in the negative electrode plate 330 at intervals, the through holes 312 are formed in the positive electrode plate 310 at intervals, and on the basis of ensuring air flow on two sides of the electrolytic membrane 320, the solid parts of the positive electrode plate 310 and the negative electrode plate 330 are pressed on two sides of the electrolytic membrane 320, so that the negative electrode catalyst coating 323 and the positive electrode catalyst coating 322 on two sides of the electrolytic membrane 320 are supported, and the negative electrode catalyst coating 323 and the positive electrode catalyst coating 322 on two sides of the electrolytic membrane 320 are effectively prevented from falling off.

In this embodiment, the through holes 312 and the through holes 331 have different shapes so as to distinguish the positive and

negative electrode plates

310 and 330, thereby facilitating rapid assembly with the dehumidifying apparatus 300. In this embodiment, the through hole 312 is a circular hole, and the through hole 331 is a long hole. In other embodiments, the vias 312 and the perforations 331 may be polygonal holes, shaped holes, or a combination of shaped holes.

Referring to fig. 2 to 6 again, in the embodiment, when the dehumidifying apparatus 300 is in use, a voltage of 3 to 10V is applied between the positive and negative terminals of the electrolyte membrane 320. The positive side of the electrolyte membrane 320 reacts: 2H2O-4e- → O2+4H +, consuming moisture in the storage space 230, decomposing water vapor in the storage space 230 into hydrogen ions and oxygen, removing moisture in the storage space 230, and performing a dehumidifying function. The hydrogen ions generated at the positive electrode side of the electrolyte membrane 320 pass through the electrolyte membrane 320 to the negative electrode side, where the reaction occurs: o2+4H + +4e- → 2H2O consume oxygen in the refrigerating compartment 110, thereby ensuring that the electrolytic reaction continues.

Generally, the rate of chemical reaction is strongly related to temperature. Referring to FIG. 8, in one embodiment, S1 in FIG. 8 is a schematic diagram illustrating the effect of dehumidification without the use of heating elements. S2 in fig. 8 is a diagram illustrating the effect of dehumidification when a heating element is used. Because the reaction rate of the electrolytic reaction is strictly controlled by the temperature condition, the working efficiency of the electrolytic dehumidification assembly can be effectively improved by improving the working environment temperature of the electrolytic dehumidification assembly. In a 15L closed space, the dehumidification effect of the electrolytic dehumidification assembly with the area of 10 × 10cm under the presence or absence of the heating element is as shown in S1 in fig. 8, that is, the humidity is also reduced from 90% RH to 45% RH, and it takes 1000 minutes without the heating wire, and it takes only 110 minutes with the heating wire, so that the dehumidification efficiency is obviously improved.

The utility model discloses in, inject storing space 230 in the storing box 200 for place food. The positive electrode plate 310 faces the storage space 230, the negative electrode plate 330 faces the refrigerating compartment 110, and the positive electrode plate 310 decomposes water vapor inside the storage space 230 into hydrogen ions and oxygen gas to consume moisture inside the storage space 230; the hydrogen ions pass through the electrolytic film 320 and move toward the negative electrode plate 330, thereby removing moisture from the storage space 230 to achieve dehumidification, which is not affected by temperature and does not cause contamination. The dehumidification by the dehumidification device 300 has no noise, the dehumidification operation can be continuously performed, and the dehumidification operation is not affected by the temperature in the refrigerator through the arrangement of the heating members.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A refrigerator, characterized by comprising:

a box body which constructs a refrigeration chamber with an opening at the front side;

the storage box is arranged in the refrigerating chamber; a storage space is defined in the storage box; the storage box is provided with an installation opening which penetrates through the refrigerating chamber and the storage space;

a dehumidification assembly closing the mounting port; the dehumidifying component comprises a positive plate, a negative plate, an electrolytic film clamped between the positive plate and the negative plate, and a heating element for heating the electrolytic film; the positive plate faces the storage space, and the negative plate faces the refrigerating compartment.

2. The refrigerator according to claim 1, wherein a conductive layer is provided between the positive electrode plate and the electrolytic film and between the negative electrode plate and the electrolytic film, respectively; the conductive layer is abutted against the electrolytic film; the heating member is arranged corresponding to the conducting layer and is abutted against the conducting layer.

3. The refrigerator according to claim 2, wherein the heating members are provided in two, and the two heating members are provided corresponding to one of the conductive layers, respectively.

4. The refrigerator as claimed in claim 2, wherein the two conductive layers are annular structures, and a receiving groove is formed on each of the surfaces of the positive electrode plate and the negative electrode plate facing the electrolyte membrane for receiving the corresponding conductive layer.

5. The refrigerator according to claim 4, wherein the heating member is a ring structure; the heating member is located in the accommodating groove.

6. The refrigerator according to claim 5, wherein the accommodating groove is filled with insulation wool to fill a gap between the side wall of the accommodating groove and the conductive layer and a gap between the side wall of the accommodating groove and the heating member.

7. The refrigerator of claim 2 wherein the heating element is attached to a side of the conductive layer facing away from the electrolyte membrane.

8. The refrigerator according to claim 2, wherein the negative electrode plate is provided with a through hole penetrating the electrolyte membrane and the refrigerating compartment; the positive plate is provided with a through hole which penetrates through the storage space and the electrolytic film; the via and the through-hole are in different shapes.

9. The refrigerator as claimed in claim 1, wherein fixing holes are opened between the positive electrode plate and the negative electrode plate to connect and press the positive electrode plate and the negative electrode plate with a fastening member to clamp the electrolyte membrane between the positive electrode plate and the negative electrode plate.

10. The refrigerator of claim 1, wherein the storage box comprises a housing fixed in the refrigerating compartment and a drawer provided on the housing; the drawer is slidably covered on the front side of the shell; the mounting opening is formed in the shell.