Pole plate assembly, oxygen treatment device, and refrigerator

Abstract

The application provides an electrode plate assembly, an oxygen treatment device and a refrigerator, wherein the electrode plate assembly comprises: an electrode plate for treating oxygen by performing an electrochemical reaction under the action of an electrolysis voltage; and a pressure protection mechanism wrapped around both sides of the plate surface of the electrode plate to clamp the electrode plate, thereby preventing the electrode plate from deforming. By wrapping the pressure protection mechanism around both sides of the plate surface of the electrode plate to clamp the electrode plate, the electrode plate assembly is formed, and the pressure protection mechanism can provide support for the plate surface of the electrode plate, so that the plate surface of the electrode plate can enhance the pressure resistance under the support of the pressure protection mechanism. Based on this, the scheme of the application uses the pressure protection mechanism to protect the electrode plate, which can reduce or avoid the deformation of the electrode plate caused by pressure, and improve the structural stability and performance stability of the electrode plate.

Description

Technical Field

[0001] This invention relates to modified atmosphere storage, and particularly to electrode assemblies, oxygen treatment devices, and refrigerators. Background Technology

[0002] Modified atmosphere storage technology extends the shelf life of food by adjusting the composition of ambient gases. Oxygen treatment devices can process oxygen through electrochemical reactions at electrodes, creating either a low-oxygen or high-oxygen preservation atmosphere.

[0003] The inventors recognized that, for the electrodes of the oxygen treatment device, since the electrochemical reaction involves oxygen, as the electrochemical reaction proceeds, the pressure conditions such as the gas pressure in the reaction chamber change, and the electrodes will deform under the pressure, which will affect the working performance of the electrodes and may even lead to problems such as electrode failure and leakage in the reaction chamber.

[0004] The information disclosed in this background section is only intended to enhance the understanding of the background technology of this application, and therefore may include prior art that is not known to those skilled in the art. Summary of the Invention

[0005] One object of the present invention is to overcome at least one technical defect in the prior art and to provide an electrode assembly, an oxygen treatment device, and a refrigerator.

[0006] A further objective of this invention is to utilize a pressure protection mechanism to protect the electrode plate, reduce or avoid deformation of the electrode plate under pressure, and improve the structural stability of the electrode plate.

[0007] Another further objective of the present invention is to reduce or avoid the adverse effects of the pressure protection mechanism on the electrochemical reaction of the electrode plate, so that the electrode plate can perform its oxygen treatment function normally under the protection of the pressure protection mechanism.

[0008] Another further objective of the present invention is to improve the structural strength of the pressure protection mechanism so that the pressure protection mechanism can play a good supporting role without affecting the contact between the electrode plate and the surrounding environment.

[0009] Another further objective of the present invention is to improve the stability of the electrical connection structure between the electrode plate and the external power supply by utilizing a pressure protection mechanism.

[0010] In particular, according to one aspect of the invention, an electrode assembly for an oxygen treatment apparatus is provided, comprising:

[0011] Electrode plates are used to treat oxygen through an electrochemical reaction under the influence of an electrolysis voltage; and

[0012] A pressure protection mechanism surrounds both sides of the electrode plate to clamp the electrode plate, thereby preventing the electrode plate from deforming.

[0013] Optionally, the pressure protection mechanism has a porous region defining multiple holes to allow the electrode plate to contact the surrounding environment through the porous region; and the porous region is evenly distributed on both sides of the electrode plate surface.

[0014] Optionally, the pressure protection mechanism includes a frame portion surrounding the edge of the electrode plate and a face frame portion laid flat on both sides of the electrode plate surface; the porous area is located on the face frame portion; and

[0015] The edge of the electrode plate is embedded in and clamped to the frame portion.

[0016] Optionally, the frame portion laid flat on each side of the electrode plate includes a plurality of staggered support ribs, each support rib spanning different portions of the inner circumferential surface of the frame portion; and

[0017] The gaps between adjacent support ribs form the porous region.

[0018] Optionally, the plurality of support ribs includes a plurality of first support ribs arranged at intervals along a first direction and a plurality of second support ribs arranged at intervals along a second direction.

[0019] Optionally, the face frame portion, the side frame portion, and the electrode plate are integrally injection molded; and

[0020] The frame portion has an annular groove formed therein for the edge of the electrode plate to be inserted for assembly.

[0021] Optionally, the electrode plate includes a contact terminal extending upwardly from its main body surface; and

[0022] A power receiving shell is correspondingly provided above the frame portion, and the interior of the power receiving shell forms a through groove for the power receiving end to be inserted into a power receiving cavity; and

[0023] The power receiving shell has a power receiving through hole that connects to the power receiving cavity, so that the power receiving end or the electrical connector connected to the power receiving end can pass through the power receiving shell.

[0024] Optionally, the pressure protection mechanism is made of flame-retardant material.

[0025] According to another aspect of the present invention, an oxygen treatment apparatus is also provided for treating oxygen by electrochemical reaction under the action of an electrolysis voltage, and includes:

[0026] The shell, and

[0027] Plate assembly for oxygen processing apparatus as described in any of the above.

[0028] According to another aspect of the present invention, a refrigerator is also provided, comprising:

[0029] The outer shell, with its interior forming storage space; and

[0030] The oxygen treatment device described above is used to treat the oxygen in the storage space by performing an electrochemical reaction under the action of an electrolytic voltage.

[0031] The electrode assembly, oxygen treatment device, and refrigerator of the present invention utilize a pressure protection mechanism to surround both sides of the electrode plate surface to clamp the electrode plate, forming an electrode assembly. The pressure protection mechanism provides support to the electrode plate surface, enhancing its compressive strength under pressure. Therefore, the solution of the present invention, by using a pressure protection mechanism to protect the electrode plate, reduces or avoids deformation of the electrode plate under pressure, improving the structural and performance stability of the electrode plate.

[0032] Furthermore, the electrode assembly, oxygen treatment device, and refrigerator of the present invention, by providing a porous area on the pressure protection mechanism to allow the electrode plate to contact the surrounding environment, enable the electrode plate to contact the gas and liquid in the surrounding environment through the porous area. This helps to reduce or avoid the adverse effects of the pressure protection mechanism on the electrochemical reaction of the electrode plate, allowing the electrode plate to perform its oxygen treatment function normally under the protection of the pressure protection mechanism.

[0033] Furthermore, in the electrode assembly, oxygen treatment device, and refrigerator of the present invention, since the porous area of ​​the pressure protection mechanism is evenly distributed on both sides of the electrode plate, the pressure protection mechanism with the porous area can generate force with multiple points on the electrode plate. Therefore, the pressure protection mechanism has high structural strength and can play a good supporting role without affecting the contact between the electrode plate and the surrounding environment, preventing the electrode plate from deforming under pressure.

[0034] Furthermore, in the electrode assembly, oxygen treatment device, and refrigerator of the present invention, when a junction shell is provided above the frame portion, the junction shell can be exposed outside the electrolysis chamber of the oxygen treatment device, and the junction terminal inside the junction shell will not cause electrical connection failure due to alkali creep. Therefore, the pressure protection mechanism of the present invention can also improve the stability of the electrical connection structure between the electrode plate and the external power supply.

[0035] The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments of the invention in conjunction with the accompanying drawings. Attached Figure Description

[0036] The following sections will describe some specific embodiments of the invention in detail by way of example and not limitation, with reference to the accompanying drawings. The same reference numerals in the drawings denote the same or similar parts or portions. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings:

[0037] Figure 1 This is a schematic structural diagram of an electrode assembly for an oxygen treatment device according to an embodiment of the present invention;

[0038] Figure 2 yes Figure 1 A schematic structural diagram of the electrode assembly for an oxygen treatment device from another perspective;

[0039] Figure 3 yes Figure 1 A schematic exploded view of the electrode assembly for an oxygen treatment device;

[0040] Figure 4 yes Figure 1 The diagram shows a schematic structural representation of a pressure protection mechanism for an electrode assembly in an oxygen processing unit.

[0041] Figure 5 yes Figure 4 A schematic cross-sectional view of the pressure protection mechanism for the electrode assembly of an oxygen treatment unit;

[0042] Figure 6 This is a schematic front view of the housing of an oxygen treatment device according to an embodiment of the present invention;

[0043] Figure 7 This is a schematic structural diagram of the housing of an oxygen treatment device according to an embodiment of the present invention;

[0044] Figure 8 This is a schematic structural diagram of a refrigerator according to an embodiment of the present invention. Detailed Implementation

[0045] Reference will now be made in detail to embodiments of the invention, one or more of which are illustrated in the accompanying drawings. The various embodiments provided are intended to explain the invention and not to limit it. In fact, various modifications and variations to the invention will be apparent to those skilled in the art without departing from the scope or spirit of the invention. For example, a feature illustrated or described as part of one embodiment may be used with another embodiment to produce yet another embodiment. Therefore, the invention is intended to cover such modifications and variations within the scope of the appended claims and their equivalents.

[0046] The following reference Figures 1 to 8The following describes the electrode assembly 40, the oxygen treatment device, and the refrigerator 30 according to embodiments of the present invention. The terms "inner," "outer," "upper," "lower," "top," "bottom," "circumferential," and "lateral," etc., indicate the orientation or positional relationship based on the orientation or positional relationship of the electrode assembly 40, the oxygen treatment device, and the refrigerator 30 in their usage states as shown in the accompanying drawings. These terms are used only for the convenience of describing the present invention and for simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention.

[0047] In the description of this embodiment, it should be understood that the term "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified. When a feature "includes or contains" one or more of the features it covers, unless otherwise specifically described, this indicates that other features are not excluded and may be further included.

[0048] In the description of this embodiment, the terms "one embodiment," "some embodiments," "example," "a case," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0049] Unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art should be able to understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0050] This invention provides an electrode assembly 40 for an oxygen processing device. Figure 1 This is a schematic structural diagram of an electrode assembly 40 for an oxygen treatment device according to an embodiment of the present invention. Figure 2 yes Figure 1 A schematic structural diagram of the electrode assembly 40 for an oxygen processing device from another perspective. Figure 3 yes Figure 1The diagram shows a schematic exploded view of an electrode assembly 40 for an oxygen treatment device. The electrode assembly 40 generally serves as an electrode in the oxygen treatment device and is mounted at a designated location within the device to perform oxygen treatment during an electrochemical reaction. The electrode assembly 40 typically includes an electrode plate 700 and a pressure protection mechanism 900.

[0051] The electrode plate 700 is used to treat oxygen through an electrochemical reaction under the action of an electrolysis voltage, such as consuming and / or generating oxygen, thereby regulating the oxygen content in the space. The electrode plate 700 can be plate-shaped, such as a plate electrode. The surface of the electrode plate 700 can be a flat surface.

[0052] The type of electrochemical reaction of electrode plate 700 is not specifically limited in this embodiment. It can be any reaction that uses oxygen as a reactant or product, such as oxygen reduction reaction or oxidation reaction containing oxygen ions, etc.

[0053] The pressure protection mechanism 900 surrounds both sides of the electrode plate 700 to clamp the electrode plate 700, thereby preventing deformation of the electrode plate 700. "Clamping" refers to the interaction force generated between the pressure protection mechanism 900 and the surface of the electrode plate 700, keeping the surface of the electrode plate 700 flat. The pressure protection mechanism 900 simultaneously contacts both sides of the electrode plate 700, thus achieving its clamping function.

[0054] The specific shape of the pressure protection mechanism 900 is not specifically limited in this embodiment, as long as it surrounds both sides of the electrode plate 700. For example, the pressure protection mechanism 900 may include a first panel disposed on one side of the electrode plate 700 and a second panel disposed on the other side of the electrode plate 700; or the pressure protection mechanism 900 may be a protective frame structure surrounding the surface and edges of the electrode plate 700.

[0055] By employing the above-described scheme, the pressure protection mechanism 900 surrounds both sides of the electrode plate 700 to clamp the electrode plate 700, forming the electrode plate assembly 40. The pressure protection mechanism 900 provides support for the surface of the electrode plate 700, enhancing its compressive strength under the support of the pressure protection mechanism 900. Therefore, in this embodiment, the pressure protection mechanism 900 protects the electrode plate 700, reducing or preventing deformation of the electrode plate 700 under pressure, and improving the structural and performance stability of the electrode plate 700.

[0056] In some optional embodiments, the pressure protection mechanism 900 has a porous region defining a plurality of holes 910 to allow the electrode plate 700 to contact the surrounding environment through the porous region. The porous region is uniformly distributed on both sides of the electrode plate 700. The holes 910 of the porous region can serve as windows for the electrode plate 700 to contact the surrounding environment. For example, gas or liquid in the environment where the electrode plate 700 is located can contact the electrode plate 700 through the holes 910.

[0057] By providing a porous area on the pressure protection mechanism 900 to allow the electrode plate 700 to contact the surrounding environment, the electrode plate 700 can contact the gases and liquids in the surrounding environment through the porous area. This helps to reduce or avoid the adverse effects of the pressure protection mechanism 900 on the electrochemical reaction of the electrode plate, allowing the electrode plate 700 to perform its oxygen treatment function normally under the protection of the pressure protection mechanism 900.

[0058] Since the porous areas of the pressure protection mechanism 900 are evenly distributed on both sides of the electrode plate 700, the pressure protection mechanism 900 with porous areas can generate forces with multiple points of the electrode plate 700. Therefore, the pressure protection mechanism 900 has high structural strength and can play a good supporting role without affecting the contact between the electrode plate 700 and the surrounding environment, preventing the electrode plate 700 from deforming under pressure.

[0059] In some alternative embodiments, the pressure protection mechanism 900 includes a frame portion 920 surrounding the edge of the electrode plate 700 and a face frame portion 940 laid flat on both sides of the electrode plate 700. The edge of the electrode plate 700 is embedded in and clamped by the frame portion 920. That is, the pressure protection mechanism 900 clamps both the sides of the electrode plate 700 and the edge of the electrode plate 700, forming a full-coverage protection structure. A porous area is located on the face frame portion 940 so that the surface of the electrode plate 700 can contact the surrounding environment.

[0060] In this embodiment, there are two face frame portions 940, distributed on both sides of the electrode plate 700 to clamp the electrode plate 700. The frame portion 920 may be annular. The face frame portion 940 may be laid flat within the inner ring area of ​​the annular frame portion 920. A gap is formed between the two face frame portions 940 to accommodate the electrode plate 700.

[0061] By adopting the above scheme, the pressure protection mechanism 900 can serve both as a comprehensive protective structure to completely enclose the electrode plate 700, enhancing its resistance to external pressure shocks, and as a connecting structure for fixing the electrode plate 700 to the oxygen treatment device. This cleverly reduces the assembly difficulty of the electrode plate 700 relative to the oxygen treatment device. The electrode plate 700 only needs to be assembled to the pressure protection mechanism 900 first, and then the pressure protection mechanism 900 needs to be fixed to the oxygen treatment device. During the assembly process of the oxygen treatment device, the electrode plate 700 does not need to be directly assembled to the oxygen treatment device.

[0062] In some further examples, the face frame 940, the side frame 920, and the electrode plate 700 are integrally injection molded, thereby connecting, embedding, or clamping to each other. In other words, the entire pressure protection mechanism 900 can be manufactured using an injection molding process.

[0063] An annular groove 922 is formed on the frame portion 920 for the edge of the electrode plate 700 to be inserted therein for assembly. When the face frame portion 940 and the frame portion 920 are integrally formed, the electrode plate 700 can be inserted therein during the forming process of the face frame portion 940 and the frame portion 920, so that the edge of the electrode plate 700 is inserted into the face frame portion 940 and the plate surface of the electrode plate 700 is inserted between the two face frame portions 940 for being clamped.

[0064] Manufacturing the pressure protection mechanism 900 using an integral molding process simplifies the manufacturing process of the pressure protection mechanism 900, omits the connection process between the frame portion 920 and the face frame portion 940, and improves the mechanical strength of the pressure protection mechanism 900.

[0065] Of course, in other embodiments, the frame portion 920 and the face frame portion 940 may not be integral parts, and may be connected and fixed into one piece. The connection and fixing methods include, but are not limited to, any one or a combination of the following: screwing, bonding, welding and riveting.

[0066] In some optional embodiments, the face frame portion 940, which is laid flat on each side of the electrode plate 700, includes a plurality of staggered support ribs, each support rib spanning different portions of the inner circumferential surface of the frame portion 920. The gaps between adjacent support ribs form porous areas.

[0067] like Figure 1-4 As shown, for example, the frame portion 920 may be in the shape of a square ring and include four frames connected end to end in sequence. Each support rib may extend from the inner peripheral surface of one frame of the frame portion 920 to the inner peripheral surface of another frame. The inner peripheral surface of the frame portion 920 refers to the side of the frame portion 920 facing its inner ring region.

[0068] Figure 4 yes Figure 1 The diagram shows a schematic structural diagram of the pressure protection mechanism 900 for the electrode assembly 40 of the oxygen processing device. Figure 5 yes Figure 4 The diagram shows a schematic cross-sectional view of the pressure protection mechanism 900 for the electrode assembly 40 of an oxygen treatment device. In one example, the plurality of support ribs include a plurality of first support ribs 942a arranged at intervals along a first direction and a plurality of second support ribs 942b arranged at intervals along a second direction. Since the first direction is different from the second direction, an angle is formed between the first support ribs 942a and the second support ribs 942b.

[0069] For example, the four borders of the border portion 920 may include two borders in the length direction and two borders in the width direction. The first support rib 942a may extend from one border in the length direction to one border in the width direction, and the second support rib 942b may extend from another border in the length direction to another border in the width direction, thereby forming an angle with the first support rib 942a.

[0070] In some alternative embodiments, the electrode plate 700 includes an electrical contact 720 extending upwardly from its body surface. This electrical contact 720 is used to connect to an external power source, thereby establishing an electrical connection between the electrode plate 700 and the external power source.

[0071] A power receiving housing 960 is correspondingly provided above the frame portion 920. The interior of the power receiving housing 960 forms a through groove 922 for the power receiving terminal 720 to be inserted into a power receiving cavity. A power receiving through hole 964 communicating with the power receiving cavity is provided on the power receiving housing 960, allowing the power receiving terminal 720 or an electrical connector connected to the power receiving terminal 720 to pass through the power receiving housing 960. The electrical connector can be, for example, a wire or other conductive component. The power receiving terminal 720 or the electrical connector exiting the power receiving housing 960 can be connected to an external power source via a wire.

[0072] In other words, the pressure protection mechanism 900 in this embodiment not only has the function of protecting the electrode plate 700, but also provides a power connection site for the electrode plate 700 to establish an electrical connection with an external power source, thus solving the problem of difficulty in connecting the electrode plate 700 to power source due to being wrapped.

[0073] Furthermore, since the electrode housing 960 is located above the frame portion 920, when the frame portion 920 is fixedly assembled to the mounting port 530 of the oxygen treatment device, and the frame portion 920 and the electrode plate 700 jointly close the mounting port 530, the electrode housing 960 can be exposed outside the electrolysis chamber, and the electrode terminal 720 inside the electrode housing 960 will not cause electrical connection failure due to alkali creep problem.

[0074] Therefore, by adopting the above structure, the pressure protection mechanism 900 can improve the stability of the electrical connection structure between the electrode plate 700 and the external power supply.

[0075] The pressure protection mechanism 900 is made of a flame-retardant material. For example, the pressure protection mechanism 900 may be made of a flame-retardant material that meets the requirements of the glow wire 750 needle flame test, or a flame-retardant material with a flame retardant rating of HB.

[0076] By employing the above structure, a pressure protection mechanism 900 with flame-retardant function is wrapped around the periphery of the electrode plate 700. When the pressure protection mechanism 900 absorbs the heat generated by the electrode plate 700 during the electrochemical reaction, it can resist changes in physical properties to a large extent, thereby reducing or avoiding damage to surrounding components caused by the electrode plate 700 of the oxygen treatment device heating up during the electrochemical reaction, and improving the safety and structural stability of the device.

[0077] The pressure protection mechanism 900, made of the aforementioned flame-retardant material, will not cause damage to the oxygen treatment device and its surrounding components due to overheating even if the operating current of the electrode plate 700 exceeds a preset threshold. The preset threshold can be any value within the range of 0.1 to 0.2 A.

[0078] The present invention also provides an oxygen treatment device, which includes a housing 500 and an electrode assembly 40 for an oxygen treatment device as described in any of the above embodiments, and may further include a counter electrode plate. Figure 6 This is a schematic front view of the housing 500 of an oxygen treatment device according to an embodiment of the present invention. Figure 7 This is a schematic structural diagram of the housing 500 of an oxygen treatment device according to an embodiment of the present invention.

[0079] The electrode plate 700 can be either an anode or a cathode. In some alternative embodiments, the electrode plate 700 is a cathode. The counter electrode plate, with the opposite polarity to the electrode plate 700, is disposed within the housing 500 and is used to perform an electrochemical reaction under the action of an electrolysis voltage, thereby cooperating with the electrode plate 700 to treat oxygen. The electrode plate 700 can be used to consume oxygen through an electrochemical reaction under the action of an electrolysis voltage. The counter electrode plate is used to provide reactants (e.g., electrons) to the electrode plate 700 and generate oxygen through an electrochemical reaction under the action of an electrolysis voltage.

[0080] An electrolysis chamber for holding the electrolyte is defined within the casing 500. The electrolysis chamber can hold an alkaline electrolyte, such as 1 mol / L NaOH, the concentration of which can be adjusted according to actual needs. Oxygen in the air can undergo a reduction reaction at the electrode plate 700, i.e.: O2 + 2H2O + 4e- - →4OH -The counter electrode plate is placed inside the electrolysis chamber and configured to provide reactants to the counter electrode plate 700 through an electrochemical reaction, thereby generating oxygen. For example, the OH- produced by the counter electrode plate... - An oxidation reaction can occur at electrode plate 700, generating oxygen, i.e.: 4OH⁻ - →O2 + 2H2O + 4e - .

[0081] The above examples of electrochemical reactions of electrode plate 700 and counter electrode plate are merely illustrative. Based on the understanding of the above embodiments, those skilled in the art should be able to easily change the type of electrochemical reaction or extend the structure of oxygen treatment devices applicable to other types of electrochemical reactions. All such changes and extensions should fall within the protection scope of this invention.

[0082] When the oxygen in the storage space 810 is consumed by the oxygen treatment device, the electrode plate 700 can be connected to the storage space 810 by airflow, so that the electrode plate 700 can use the oxygen in the storage space 810 as a reactant to carry out an electrochemical reaction; when the oxygen treatment device supplies oxygen to the storage space 810, the counter electrode plate or electrolysis chamber can be connected to the storage space 810 by airflow, so that the counter electrode plate can supply the products of its electrochemical reaction to the storage space 810.

[0083] An installation port 530 is provided on the side wall of the housing 500. A pressure protection mechanism 900, which is equipped with an electrode plate 700, is fixedly mounted to the periphery of the installation port 530 so as to jointly close the installation port 530 with the electrode plate 700 and define an electrolysis chamber for holding electrolyte with the housing 500.

[0084] The electrode assembly 40 can cover the inside or outside of the mounting port 530, thereby sealing the mounting port 530. The terms "inside" and "outside" of the mounting port 530 are relative to the housing 500. For example, the inside of the mounting port 530 refers to the side of the mounting port 530 facing the interior space of the housing 500, while the outside of the mounting port 530 refers to the side of the mounting port 530 facing the exterior space of the housing 500.

[0085] In some further embodiments, the outer periphery of the mounting port 530 is surrounded by an annular protrusion 540 that protrudes outward from the housing 500 and is in an annular shape. The frame portion 920 of the pressure protection mechanism 900 is fixed to the annular protrusion 540 by hot-plate welding. A corresponding annular ring 926, opposite to the annular protrusion 540 and in an annular shape, is formed on the frame portion 920 of the pressure protection mechanism 900. The annular protrusion 540 and the annular ring 926 can be fixed together by heat fusion.

[0086] When the frame portion 920 of the pressure protection mechanism 900 is an annular frame surrounding the electrode plate 700, and the frame portion 920 of the pressure protection mechanism 900 is welded to the periphery of the mounting port 530 of the housing 500 by a hot plate, the welding strength is high and the firmness is reliable. Therefore, compared with the assembly scheme using snap-fit ​​or screw-fit, the scheme of this embodiment can enhance the sealing performance of the oxygen treatment device and reduce or avoid electrolyte leakage problems.

[0087] The housing 500 can be integrally molded by injection molding. In some alternative embodiments, the pressure protection mechanism 900 is made of the same material as the housing 500. When objects of the same material are assembled into one piece by hot plate welding, high weld strength can be ensured and the welding process difficulty can be reduced.

[0088] When the pressure protection mechanism 900 and the housing 500 are made of the same material, the housing 500 is also made of flame-retardant material. This allows the housing 500 itself to have a resistance to changes in physical properties with heat that is roughly equivalent to that of the flame-retardant frame, thereby improving the safety and structural stability of the entire oxygen treatment device and ensuring that the surrounding components or the operating environment of the entire oxygen treatment device are in a state with a high safety factor.

[0089] In some alternative embodiments, the flame-retardant material includes ABS and a flame retardant, for example, flame-retardant ABS material. The pressure protection mechanism 900 and the annular protrusion 540 (or the entire housing 500) may each be made of flame-retardant ABS material.

[0090] Adding flame retardants to ABS can create a flame-retardant material with good flame-retardant properties. The housing 500 made of this flame-retardant material and the pressure protection mechanism 900 mounted on the housing 500 will not undergo significant deformation when the electrode plate 700 undergoes an electrochemical reaction, thus exhibiting excellent structural retention performance.

[0091] The housing 500 may have an exhaust port for discharging oxygen produced by the electrochemical reaction of the electrode plates. The housing 500 may also have a liquid replenishment port, which can be connected to a liquid storage device to allow liquid contained in the storage device to flow into the housing 500. A liquid storage chamber communicating with the electrolysis chamber may be formed on one side of the electrolysis chamber of the housing 500; for example, a communication port may be formed between the electrolysis chamber and the liquid storage chamber. The liquid replenishment port communicates with the liquid storage chamber to supply liquid to the storage chamber, thereby replenishing the electrolysis chamber. A level switch may be installed in the liquid storage chamber to open or close the liquid passage between the liquid replenishment port and the liquid storage chamber based on the liquid level in the storage chamber.

[0092] The number of mounting ports 530 can be multiple, and each port can be equipped with an electrode plate, with each electrode plate opposite to a pair of electrode plates.

[0093] This invention also provides a refrigerator 30. Figure 7 This is a schematic structural diagram of a refrigerator 30 according to an embodiment of the present invention. The refrigerator 30 generally includes a casing 800 and an oxygen treatment device as described above.

[0094] The interior of the housing forms a storage space 810. The oxygen treatment device is used to treat the oxygen in the storage space 810 through an electrochemical reaction under the action of an electrolytic voltage, for example, consuming the oxygen in the storage space 810 and / or supplying oxygen to the storage space 810.

[0095] When the oxygen in the storage space 810 is consumed by the oxygen treatment device, the electrode plate can be connected to the storage space 810 by airflow so that the electrode plate can use the oxygen in the storage space 810 as a reactant to carry out an electrochemical reaction. When the oxygen treatment device supplies oxygen to the storage space 810, the counter electrode plate or the electrolysis chamber can be connected to the storage space 810 by airflow so that the oxygen generated by the electrochemical reaction of the counter electrode plate can be supplied to the storage space 810.

[0096] The electrode assembly 40, oxygen treatment device, and refrigerator 30 of the present invention form the electrode assembly 40 by using a pressure protection mechanism 900 to surround both sides of the electrode plate 700 to clamp the electrode plate 700. The pressure protection mechanism 900 provides support for the electrode plate 700, enhancing its compressive strength under the support of the pressure protection mechanism 900. Based on this, the solution of the present invention, by using the pressure protection mechanism 900 to protect the electrode plate 700, can reduce or avoid deformation of the electrode plate 700 under pressure, improving the structural and performance stability of the electrode plate 700.

[0097] Therefore, those skilled in the art should recognize that although numerous exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications conforming to the principles of the present invention can be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Thus, the scope of the present invention should be understood and construed as covering all such other variations or modifications.

Claims

1. An electrode assembly for an oxygen treatment device, comprising: Electrode plates are used to treat oxygen through an electrochemical reaction under the action of electrolysis voltage; and A pressure protection mechanism surrounds both sides of the electrode plate to clamp the electrode plate, thereby preventing the electrode plate from deforming. The pressure protection mechanism has a porous region defining multiple holes to allow the electrode plate to contact the surrounding environment through the porous region; and the porous region is evenly distributed on both sides of the electrode plate surface; The pressure protection mechanism includes a frame portion surrounding the edge of the electrode plate and a face frame portion laid flat on both sides of the electrode plate surface; the porous area is located on the face frame portion; and the edge of the electrode plate is embedded in and clamped to the frame portion; The face frame, the side frame, and the electrode plate are integrally injection molded.

2. The electrode assembly for an oxygen treatment device according to claim 1, wherein, The frame portion, which lies flat on each side of the electrode plate, includes a plurality of staggered support ribs, each of which spans across different portions of the inner circumferential surface of the frame portion; and The gaps between adjacent support ribs form the porous region.

3. The electrode assembly for an oxygen treatment device according to claim 2, wherein, The plurality of support ribs include a plurality of first support ribs arranged at intervals along a first direction and a plurality of second support ribs arranged at intervals along a second direction.

4. The electrode assembly for an oxygen treatment device according to claim 1, wherein, The frame portion has an annular groove formed therein for the edge of the electrode plate to be inserted for assembly.

5. The electrode assembly for an oxygen treatment apparatus according to claim 4, wherein, The electrode plate includes an electrical receiving terminal that protrudes upward from its main body surface; and A power receiving shell is correspondingly provided above the frame portion, and the interior of the power receiving shell forms a through groove for the power receiving end to be inserted into a power receiving cavity; and The power receiving shell has a power receiving through hole that connects to the power receiving cavity, so that the power receiving end or the electrical connector connected to the power receiving end can pass through the power receiving shell.

6. The electrode assembly for an oxygen treatment apparatus according to claim 1, wherein, The pressure protection mechanism is made of flame-retardant material.

7. An oxygen treatment apparatus for treating oxygen via an electrochemical reaction under the action of an electrolysis voltage, comprising: The shell, and The electrode assembly for an oxygen processing device as described in any one of claims 1-6.

8. A refrigerator, comprising: The outer shell of the box forms storage space inside; as well as The oxygen treatment apparatus as described in claim 7 is used to treat the oxygen in the storage space by performing an electrochemical reaction under the action of an electrolysis voltage.

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