Refrigerator-freezer device

Abstract

The application provides a refrigerating and freezing device, comprising: an inner container, which defines a storage compartment inside; at least one fluid port provided on the inner container and penetrating through the wall surface thereof; and a liquid storage device provided in the storage compartment, which comprises a liquid storage container, the inside of the liquid storage container defining a liquid storage space; and at least one fluid interface formed on the liquid storage container and communicating with the liquid storage space, the fluid interface corresponding to the fluid port in communication, so that the liquid storage space communicates with the external environment of the inner container. By using the scheme of the application, the liquid demand end does not need to be arranged in the storage compartment, the risk of the storage volume being compressed is avoided, and various design requirements of the refrigerating and freezing device can be met.

Description

Technical Field

[0001] This invention relates to modified atmosphere storage technology, and in particular to refrigeration and freezing equipment. Background Technology

[0002] In preservation equipment, especially in refrigeration and freezing devices that regulate the storage atmosphere based on modified atmosphere preservation technology, it is sometimes necessary to store liquid inside the device in order to regulate the atmosphere of the storage space.

[0003] The inventors recognized that when a liquid storage device is installed in a storage room, if the liquid demand end and the liquid supply end are far apart, especially when the liquid demand end and the liquid supply end are not in the same storage room, the liquid storage device will be unable to supply liquid because the storage room is a closed space and cannot be connected to the external environment.

[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 a refrigeration and freezing apparatus.

[0006] A further objective of the present invention is to break down the fluid barrier between the storage compartment of the refrigeration and freezing apparatus and its external environment, so that the liquid storage device located in the storage compartment can exchange substances with the external environment.

[0007] Another further objective of the present invention is to facilitate the control of the fluid exchange process between the liquid storage space and the external environment of the inner tank.

[0008] Another further objective of this invention is to improve the structural stability of the fluid transport structure and reduce or avoid leakage problems.

[0009] Another further objective of this invention is to simplify the assembly process of the fluid transport structure and reduce the overall manufacturing cost.

[0010] In particular, the present invention provides a refrigeration and freezing apparatus, comprising:

[0011] An inner liner, which internally defines a storage compartment; the inner liner is provided with at least one fluid port penetrating its wall; and

[0012] A liquid storage device is installed in the storage room and includes a liquid storage container, the interior of which defines a liquid storage space; and at least one fluid interface is formed on the liquid storage container to communicate with the liquid storage space, the fluid interface being connected to the fluid port in a one-to-one correspondence, so that the liquid storage space is connected to the external environment of the inner liner.

[0013] Optionally, the liquid storage device further includes at least one fluid delivery pipeline disposed in the storage room; the fluid delivery pipeline is connected one by one between the fluid interface and the corresponding fluid port.

[0014] Optionally, the liquid storage device further includes an assembly cavity, which is fixedly assembled in the storage chamber; and the assembly cavity is connected to a pipeline fitting, which has a hollow cylindrical channel for the fluid delivery pipeline to be inserted therein to achieve fixed assembly.

[0015] Optionally, the fluid port is a hollow cylindrical interface formed on the inner liner and protruding towards the corresponding fluid interface, so as to be nested and detachably connected to the first end of the fluid delivery pipeline; and

[0016] The fluid interface is a hollow cylindrical interface formed on the liquid storage container and raised towards the corresponding fluid port, so as to be nested with and detachably connected to the second end of the fluid delivery pipeline.

[0017] Optionally, the fluid port includes a liquid passage port for flowing liquid; the fluid interface includes a liquid passage interface for flowing liquid; and the fluid delivery pipeline includes a liquid delivery pipeline connected between the liquid passage port and the liquid passage interface.

[0018] Optionally, the fluid port further includes at least one gas path port for fluid gas; the fluid interface further includes at least one gas path interface for gas flow and connected to each of the gas path ports; the fluid delivery pipeline further includes at least one gas delivery pipeline connected to each of the gas path ports and the corresponding gas path interfaces.

[0019] Optionally, the liquid interface is lower than the gas interface; and

[0020] The liquid path port is opposite to the liquid path interface.

[0021] Optionally, the air passage interface is two, namely an air inlet interface and an air outlet interface;

[0022] The air passage has two ports: an air inlet port opposite to the air inlet interface and an air outlet port opposite to the air outlet interface.

[0023] The gas delivery pipeline consists of two parts: an inlet pipeline and an outlet pipeline. The inlet pipeline is connected between the inlet port and the inlet interface, and is used to guide the gas from the external environment of the inner liner to the liquid storage space to filter soluble impurities. The outlet pipeline is connected between the outlet interface and the outlet port, and is used to discharge the filtered gas to the external environment of the inner liner.

[0024] Optionally, the refrigeration and freezing unit also includes:

[0025] An oxygen treatment device has a housing and an electrode pair. The interior of the housing defines an electrochemical reaction chamber for holding an electrolyte. The electrode pair is disposed in the electrochemical reaction chamber and is used to transfer external oxygen into the electrochemical reaction chamber via an electrochemical reaction.

[0026] The housing has a liquid inlet connected to the electrochemical reaction chamber and an exhaust port connected to the electrochemical reaction chamber; the liquid port is connected to the liquid inlet; and the air inlet port is connected to the exhaust port.

[0027] Optionally, the liquid storage device further includes a one-way valve, disposed at the air inlet or in the flow path between the air inlet and the air inlet, for allowing fluid from the air inlet to pass through in one direction.

[0028] Optionally, the liquid storage device further includes a power mechanism, which is disposed at the liquid interface or in the flow path between the liquid interface and the liquid port, for pressurizing the liquid flowing from the liquid interface to the liquid port.

[0029] Optionally, the inner liner includes:

[0030] The main body has a notch; and

[0031] A fixing plate that closes the notch, together with the body portion, defines the inner liner and forms a portion of the inner liner wall; and the fixing plate defines the fluid port.

[0032] Optionally, the fixing plate forms part of the rear wall of the inner liner;

[0033] The liquid storage container is disposed on the front side of the fixed plate and spaced apart from the rear wall of the inner liner to define an installation space for assembling pipelines.

[0034] The refrigeration and freezing apparatus of the present invention, by providing at least one fluid port penetrating the wall of the inner liner and at least one fluid interface communicating with the liquid storage space of the liquid storage container, establishes a one-to-one correspondence between the fluid interface and the fluid port, thereby breaking down the fluid barrier between the storage compartment of the refrigeration and freezing apparatus and its external environment. This allows the liquid storage device located in the storage compartment to exchange substances with the external environment. Using the solution of the present invention, the liquid demand side does not need to be located in the storage compartment, avoiding the risk of compression of storage volume, and can meet various design requirements of the refrigeration and freezing apparatus.

[0035] Furthermore, in the refrigeration and freezing apparatus of the present invention, when a fluid delivery pipeline is provided between the fluid interface and the fluid port, since a control device for fluid flow rate and flow direction can be provided on the fluid delivery pipeline, the solution of the present invention facilitates the control of the fluid exchange process between the liquid storage space and the external environment of the inner liner.

[0036] Furthermore, in the refrigeration and freezing apparatus of the present invention, when a fixed assembly cavity is installed in the storage room and a pipeline assembly is provided in the assembly cavity, and the fluid delivery pipeline is installed in the hollow cylindrical channel defined by the pipeline assembly to achieve the fixed assembly of the fluid delivery pipeline, the structural stability of the fluid delivery structure can be improved and leakage problems can be reduced or avoided.

[0037] Furthermore, in the refrigeration and freezing apparatus of the present invention, when the fluid port and fluid interface are hollow cylindrical interfaces and are nested with each other and detachably disposed from the end of the fluid conveying pipeline, the fluid conveying pipeline can be connected to the fluid port and fluid interface to form a smooth fluid conveying channel by means of plug-in connection. This helps to simplify the assembly process of the fluid conveying structure and reduce the overall manufacturing cost.

[0038] 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

[0039] 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:

[0040] Figure 1 This is a schematic structural diagram of a refrigeration and freezing apparatus according to an embodiment of the present invention;

[0041] Figure 2 yes Figure 1 A schematic structural diagram of the inner liner of a refrigeration and freezing device;

[0042] Figure 3 yes Figure 1 A schematic internal structure diagram of the refrigeration and freezing unit shown;

[0043] Figure 4 yes Figure 3 An exploded schematic diagram of the internal structure of the refrigeration and freezing unit shown.

[0044] Figure 5 yes Figure 4 A schematic structural diagram of the storage container and liquid storage device of the refrigeration and freezing apparatus shown;

[0045] Figure 6 yes Figure 5 A schematic exploded view of the liquid storage device of the refrigeration and freezing apparatus shown;

[0046] Figure 7 yes Figure 5 Another schematic exploded view of the liquid storage device of the refrigeration and freezing apparatus shown;

[0047] Figure 8 yes Figure 2 A schematic exploded view of the inner liner of the refrigeration and freezing unit shown;

[0048] Figure 9 This is a schematic internal structure diagram of a refrigeration and freezing apparatus according to an embodiment of the present invention;

[0049] Figure 10 yes Figure 9 An exploded schematic diagram of the internal structure of the refrigeration and freezing unit shown.

[0050] Figure 11 This is a schematic structural diagram of the container cap and fluid guiding mechanism of a liquid storage device according to an embodiment of the present invention;

[0051] Figure 12 This is a schematic exploded view of a liquid storage container, a container cap, and a fluid guiding mechanism of a liquid storage device according to an embodiment of the present invention;

[0052] Figure 13 yes Figure 12 A schematic perspective view of the assembly structure of the liquid storage container, container cover, and fluid guiding mechanism of the liquid storage device shown;

[0053] Figure 14 This is a schematic structural diagram of an oxygen processing device in a refrigeration and freezing apparatus according to an embodiment of the present invention;

[0054] Figure 15 yes Figure 14 An exploded schematic diagram of the oxygen processing unit of the refrigeration and freezing system shown. Detailed Implementation

[0055] 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.

[0056] The following reference Figures 1 to 15 The following describes the refrigeration and freezing apparatus 10 according to an embodiment of the present invention. The terms "inner," "outer," "upper," "lower," "top," "bottom," "lateral," "horizontal," and "vertical," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These are used only for the convenience of describing the present invention and for simplification, and do not 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. To facilitate illustration of the apparatus structure, some of the accompanying drawings of the present invention are shown in perspective.

[0057] In the description of this embodiment, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first," "second," etc., may explicitly or implicitly include at least one of that feature, that is, include one or more of that feature. 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 encompasses, unless otherwise specifically described, this indicates that other features are not excluded and may be further included.

[0058] 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.

[0059] Figure 1 This is a schematic structural diagram of a refrigeration and freezing device 10 according to an embodiment of the present invention. The refrigeration and freezing device 10 of this embodiment can be a refrigerator, or a freezer, freezer cabinet, or other refrigeration equipment with low-temperature storage function. The refrigeration and freezing device 10 generally includes an inner liner 120 and a liquid storage device 500.

[0060] Figure 2 yes Figure 1 The diagram shows a schematic structural representation of the inner liner 120 of the refrigeration and freezing apparatus 10. The interior of the inner liner 120 defines a storage compartment 122. The storage compartment 122 can be a refrigeration compartment, a freezing compartment, or a variable temperature compartment; it can also be a deep-freeze compartment or any other type of compartment. Preferably, in this embodiment, the storage compartment 122 is a refrigeration compartment. The inner liner 120 is provided with at least one fluid port 130 penetrating its wall.

[0061] Figure 3 yes Figure 1 A schematic diagram of the internal structure of the refrigeration and freezing device 10 shown. Figure 4 yes Figure 3 This is a schematic exploded view of the internal structure of the refrigeration and freezing unit 10. A liquid storage device 500 is disposed within the storage compartment 122. The liquid storage device 500 includes a liquid storage container 510, the interior of which defines a liquid storage space. The liquid storage space is used for storing liquid. Liquid types include, but are not limited to, water. The liquid stored in the liquid storage space can be configured according to the type of liquid required by the liquid demand side to meet the liquid replenishment needs of the liquid demand side.

[0062] The liquid storage container 510 has at least one fluid interface 550 communicating with the liquid storage space. Each fluid interface 550 is connected to a corresponding fluid port 130, allowing the liquid storage space to communicate with the external environment of the inner liner 120. In this embodiment, there are one or more fluid interfaces 550 and one or more fluid ports 130. The one-to-one communication between the fluid interface 550 and the fluid port 130 means that when there is only one fluid interface 550 and one fluid port 130, they are interconnected to form a single fluid transport channel. When there are multiple fluid interfaces 550 and multiple fluid ports 130, one fluid interface 550 is connected to one fluid port 130, thus forming multiple fluid transport channels. The number of fluid interfaces 550 and fluid ports 130 is the same.

[0063] Fluid interface 550 and fluid port 130 are used to allow fluid to pass through. The fluid type includes liquid and / or gas. That is, relying on the fluid transport channel established by fluid interface 550 and fluid port 130, the liquid storage space can exchange liquid with the external environment of the inner liner 120, and can also exchange gas with the external environment of the inner liner 120.

[0064] By providing at least one fluid port 130 penetrating the wall of the inner liner 120 and at least one fluid interface 550 communicating with the liquid storage space of the liquid storage container 510, the fluid interface 550 and the fluid port 130 are connected in a one-to-one correspondence, breaking the fluid barrier between the storage compartment 122 of the refrigeration and freezing device 10 and its external environment, allowing the liquid storage device 500 located in the storage compartment 122 to exchange substances with the external environment. Using this embodiment, the liquid demand end does not need to be located in the storage compartment 122, avoiding the risk of compression of the storage volume, and can meet various design requirements of the refrigeration and freezing device 10. The liquid demand end can be located anywhere away from the storage compartment 122, such as inside the foaming layer, inside the compressor room, or inside the air duct, etc.

[0065] The fluid interface 550 and the fluid port 130 can be directly connected. When the fluid interface 550 and the fluid port 130 are directly connected, they can be nested into each other by plugging them in.

[0066] Of course, fluid interface 550 and fluid port 130 can also be indirectly connected, for example, through a pipeline. Figure 5 yes Figure 4 A schematic structural diagram of the storage container 600 and liquid storage device 500 of the refrigeration and freezing apparatus 10 shown. Figure 6 yes Figure 5 A schematic exploded view of the liquid storage device 500 of the refrigeration and freezing apparatus 10 shown. Figure 7 yes Figure 5 Another schematic exploded view of the liquid storage device 500 of the refrigeration and freezing apparatus 10 shown. In some alternative embodiments, the liquid storage device 500 further includes at least one fluid delivery line 520 disposed within the storage compartment 122. The fluid delivery lines 520 are connected one-to-one between the fluid inlet 550 and the corresponding fluid port 130. The number of fluid delivery lines 520 is the same as the number of fluid inlets 550 and fluid ports 130.

[0067] The fluid delivery pipeline 520 is connected one by one between the fluid interface 550 and the corresponding fluid port 130. This means that when there is one fluid interface 550 and one fluid port 130, there is one fluid delivery pipeline 520 connected between them, thus forming a fluid delivery channel. When there are multiple fluid interfaces 550 and multiple fluid ports 130, there is one fluid delivery pipeline 520 connected between one fluid interface 550 and one fluid port 130, thus forming multiple fluid delivery channels.

[0068] When a fluid delivery pipeline 520 is provided between the fluid interface 550 and the fluid port 130, since a control device for fluid flow rate and direction can be installed on the fluid delivery pipeline 520, the fluid exchange process between the storage space and the external environment of the inner tank 120 is easily controlled using the scheme of this embodiment. The fluid delivery pipeline 520 can be fixed inside the storage compartment 122. Since the fluid interface 550 and the fluid port 130 are not directly connected, but are connected through the fluid delivery pipeline 520, when the fluid delivery pipeline 520 is fixed inside the storage compartment 122, it is equivalent to extending the end interface of the fluid port 130 into the storage compartment 122, so as to facilitate manual connection operation.

[0069] In some optional embodiments, the liquid storage device 500 further includes an assembly cavity 530, which is fixedly mounted within the storage chamber 122. The assembly cavity 530 is connected to a piping fitting 540, which has a hollow cylindrical channel into which a fluid delivery pipe 520 is inserted for fixed assembly. The piping fitting 540 can be fixedly connected to the assembly cavity 530 by screwing.

[0070] When the assembly cavity 530 is fixed in the storage compartment 122, and the pipeline assembly 540 is installed in the assembly cavity 530, and the fluid conveying pipeline 520 is installed in the hollow cylindrical channel defined by the pipeline assembly 540 to achieve the fixed assembly of the fluid conveying pipeline 520, the structural stability of the fluid conveying structure can be improved, and leakage problems can be reduced or avoided.

[0071] The piping fitting 540 may be integrally formed within the assembly cavity 530 or fixedly connected to the assembly cavity 530. The number of hollow cylindrical channels defined by the piping fitting 540 may be one or more, and the same as the number of fluid delivery lines 520. In one example, there may be at least one piping fitting 540, each defining one hollow cylindrical channel. In another example, each piping fitting 540 may define two hollow cylindrical channels.

[0072] In another example, the number of hollow cylindrical channels defined by the pipe fittings 540 is twice the number of fluid delivery pipes 520. In a further example, each fluid delivery pipe 520 has a pipe fitting 540 at both ends, and each pipe fitting 540 defines a hollow cylindrical channel to fix the end of one fluid delivery channel, thereby further improving the structural stability of the fluid delivery structure and reducing or avoiding fluid leakage due to loose pipe connections. At least a portion of the pipe fittings 540 are fixedly disposed inside the assembly cavity 530; of course, another portion of the pipe fittings 540 may be disposed outside the assembly cavity 530 to facilitate fixing the ends of the fluid delivery pipes 520.

[0073] In one example, the fluid delivery conduit 520 extends horizontally from front to back. The conduit assembly 540 includes a first assembly portion and a second assembly portion. The first assembly portion is fixedly connected to or integrally formed with the assembly cavity and defines a downwardly recessed, arc-shaped plate. This downwardly recessed arc-shaped plate serves as the lower channel wall of the hollow cylindrical channel. The second assembly portion defines an upwardly recessed, arc-shaped upper arc-shaped plate, serving as the upper channel wall of the hollow cylindrical channel. The upper and lower channel walls together define a complete hollow cylindrical channel into which the fluid delivery conduit 520 is inserted for fixed assembly.

[0074] The second assembly is detachably mounted above the first assembly. The second assembly also defines first threaded holes located on both sides of the upper channel wall. Correspondingly, the second assembly has second threaded holes located on both sides of the lower channel wall and corresponding to the first threaded holes, so as to achieve detachable assembly by screwing.

[0075] The fluid delivery line 520 can pass through the assembly cavity 530 to connect the fluid port 130 and the fluid interface 550. The liquid storage device 500 may also include a sealing cap 541, which is placed on top of the assembly cavity 530 to protect the line and prevent dust.

[0076] The liquid storage container 510 has a container cap 580, which is detachably mounted on the top of the liquid storage container 510. The container cap 580 covers the opening 512 at the top of the liquid storage container 510 to close the opening 512. A sealing ring may be provided at the joint between the container cap 580 and the liquid storage container 510 to enhance the sealing effect and prevent air leakage. A liquid inlet 587 is formed on the container cap 580 to allow external liquid to be injected into the liquid storage space. A movable secondary cap 586 is provided at the liquid inlet 587 to open or close the liquid inlet 587.

[0077] The container cap 580 has outwardly protruding claws. The edge of the opening 512 of the liquid storage container 510 may be provided with a snap-fit ​​groove for the claws to be inserted into. When the container cap 580 is placed over the opening 512 and the claws are engaged in the snap-fit ​​groove, it indicates that the container cap 580 has been installed in place and the opening 512 can be closed.

[0078] In some alternative embodiments, the fluid port 130 is a hollow cylindrical interface formed on the inner liner 120 and raised toward the corresponding fluid interface 550, so as to be nested and detachably connected to the first end of the fluid delivery line 520. The fluid interface 550 is a hollow cylindrical interface formed on the liquid storage container 510 and raised toward the corresponding fluid port 130, so as to be nested and detachably connected to the second end of the fluid delivery line 520.

[0079] In other words, the fluid port 130 and the fluid interface 550 can be nested with each other in the fluid delivery pipeline 520 to achieve connection, and can be de-nested from the fluid delivery pipeline 520 to achieve separation.

[0080] Of course, the fluid port 130 may also be further raised in a direction away from the corresponding fluid interface 550, so as to be nested and detachably connected with the pipeline disposed outside the inner liner 120.

[0081] When the fluid port 130 and the fluid interface 550 are hollow cylindrical interfaces, and are nested with the ends of the fluid conveying pipeline 520 and can be detached, the fluid conveying pipeline 520 can be connected to the fluid port 130 and the fluid interface 550 to form a smooth fluid conveying channel by plugging in. This helps to simplify the assembly process of the fluid conveying structure and reduce the overall manufacturing cost.

[0082] In some alternative embodiments, fluid port 130 includes a liquid passage port 131 for the flow of liquid. Fluid interface 550 includes a liquid passage interface 551 for the flow of liquid. Fluid delivery line 520 includes a liquid delivery line 521 connecting the liquid passage port 131 and the liquid passage interface 551.

[0083] At this time, the liquid in the storage space can flow out of the storage chamber 122 through the liquid interface 551, the liquid delivery pipeline 521 and the liquid port 131 in sequence, so as to flow into the liquid demand end located outside the storage chamber 122, thereby replenishing the liquid demand end and keeping the liquid demand end working.

[0084] Of course, in another example, liquid from the external environment of the inner liner 120 can also flow into the storage space via the liquid port 131, the liquid delivery pipeline 521 and the liquid interface 551, thereby replenishing the storage box with liquid.

[0085] In some further embodiments, fluid port 130 also includes at least one gas port for fluid gas. Fluid interface 550 also includes at least one gas interface for gas flow and in communication with each gas port. Fluid delivery line 520 also includes at least one gas delivery line connected between each gas port and its corresponding gas interface.

[0086] That is, there can be one or more gas ports. There can also be one or more gas interfaces. Connecting a gas delivery pipeline one-to-one between a gas interface and its corresponding gas port means that when there is only one gas interface and one gas port, a gas delivery pipeline connects them, forming one gas delivery channel. When there are multiple gas interfaces and multiple gas ports, a gas delivery pipeline is connected between each gas interface and each gas port, forming multiple gas delivery channels.

[0087] In one example, when there is one gas port, one gas interface, and one gas delivery pipeline, gas from the external environment of the inner liner 120 can flow into the liquid storage space through the gas port, the gas delivery pipeline, and the gas interface to filter soluble impurities. At this time, the filtered gas can be discharged into the storage chamber 122.

[0088] In another example, when there are multiple gas ports, gas interfaces, and gas delivery pipelines, gas from the external environment of the inner liner 120 can flow into the liquid storage space through one gas delivery channel to filter soluble impurities. The filtered gas can then flow to the external environment of the inner liner 120 through another gas delivery channel for use.

[0089] In some optional embodiments, there are two air passage interfaces, namely an air inlet interface 552 and an air outlet interface 553. There are two air passage ports, namely an air inlet port 132 opposite to the air inlet interface 552 and an air outlet port 133 opposite to the air outlet interface 553.

[0090] There are two gas delivery pipelines, namely an inlet pipeline 522 and an outlet pipeline 523. The inlet pipeline 522 is connected between the inlet port 132 and the inlet interface 552, and is used to guide the gas from the external environment of the inner liner 120 to the liquid storage space to filter soluble impurities. The outlet pipeline 523 is connected between the outlet interface 553 and the outlet port 133, and is used to discharge the filtered gas to the external environment of the inner liner 120.

[0091] By adopting the above scheme, the liquid storage device 500 can supply liquid to the liquid demand end located outside the inner tank 120, and can also filter out soluble impurities in the gas from the external environment of the inner tank 120, so as to provide clean gas to the external environment of the inner tank 120 (e.g., the gas demand end), thereby meeting the controlled atmosphere requirements.

[0092] In some alternative embodiments, the liquid interface 551 is lower than the gas interface. The liquid port 131 is lower than the gas port. And the liquid port 131 is opposite to the liquid interface 551.

[0093] That is, the liquid interface 551 is located below the gas interface. In one example, the liquid interface 551 is located in the bottom section of the liquid storage container 510. The gas interface is located in the top section of the liquid storage container 510. The liquid in the storage space can automatically flow out of the liquid interface 551 under the action of gravity and flow into the liquid delivery pipeline 521, and then out of the inner tank 120 and into the liquid demand end. The gas to be filtered from the external environment of the inner tank 120 can flow into the liquid storage space under the guidance of the gas interface, and flow downward first and then upward in the liquid storage space to extend the flow path and allow soluble impurities to fully dissolve in the liquid stored in the liquid storage space.

[0094] In some alternative embodiments, the liquid storage device 500 further includes a power mechanism disposed at the liquid inlet 551 or in the flow path between the liquid inlet 551 and the liquid port 131, for pressurizing the liquid flowing from the liquid inlet 551 to the liquid port 131.

[0095] In one example, the power mechanism is a pump. In another example, the power mechanism can also be other types of power mechanism components, such as a booster. In one example, the power mechanism can be located on the liquid delivery line 521 to accelerate the flow of liquid from the liquid inlet 551 to the liquid port 131, thereby improving the replenishment efficiency of the liquid storage device 500. Of course, the power mechanism can also be located at the liquid port 131.

[0096] In some optional embodiments, the liquid storage device 500 further includes a one-way valve 570 disposed at the air inlet 552 or in the flow path between the air inlet port 132 and the air inlet 552, for example, it can be disposed on the air inlet pipe 522, to allow fluid from the air inlet port 132 to pass through in one direction, thereby preventing backflow. Of course, the one-way valve 570 can also be disposed at the air inlet port 132.

[0097] In the above embodiments, the inner liner 120 can be integrally injection molded. In some alternative embodiments, the inner liner 120 may include two different parts. For example, the inner liner 120 may include a body portion 125 and a fixing plate 126. Figure 8 yes Figure 2 The diagram shows an exploded schematic view of the inner liner 120 of the refrigeration and freezing apparatus 10. The body portion 125 has a notch 125a. A fixing plate 126 closes the notch 125a to define the inner liner 120 together with the body portion 125 and forms a portion of the wall of the inner liner 120. The fixing plate 126 defines a fluid port 130.

[0098] The body 125 and the fixing plate 126 can be independently molded by injection molding. Since the fluid port 130 is located on the fixing plate 126, it is not necessary to mold the fluid port 130 on the body 125. Therefore, by adopting the solution of this embodiment, the molding process of the inner liner 120 can be simplified and the operation difficulty of the molding process can be reduced.

[0099] The main body 125 defines the main outline of the inner liner 120. The fixing plate 126 can cover the notch 125a and is fixedly connected to the main body to close the notch 125a, thereby defining the complete inner liner 120 together with the main body 125.

[0100] The fixing plate 126 has a positioning structure on its edge. Before the inner liner 120 is foamed, the fixing plate 126 can be pre-attached to the inner liner 120 via the positioning mechanism. After the inner liner 120 is foamed, the fluid port 130 can be connected to the first end of the fluid delivery pipeline 520 one by one, and then the liquid storage container can be installed into the storage chamber 122, so that the fluid interface 550 is connected to the second end of the fluid delivery pipeline 520 one by one. The pipeline connection process can be completed in one step without the need for separate pipe insertion.

[0101] In some alternative embodiments, the retaining plate 126 forms part of the rear wall of the inner liner 120. A liquid storage container 510 is disposed on the front side of the retaining plate 126 and spaced apart from the rear wall of the inner liner 120 to define an installation space for assembling piping (e.g., fluid delivery piping 520). This installation space can be used to install at least a portion of the assembly cavity 530. Piping fittings 540 and the fluid delivery piping 520 may be further disposed within this installation space.

[0102] In one example, the assembly cavity 530 is fixedly connected to a plate-shaped connector. This plate-shaped connector is fixedly connected to the wall of the inner liner 120, thereby fixing the assembly cavity 530 within the storage compartment 122. In one example, the plate-shaped connector has an insertion portion that interlocks with the inner surface of the side wall of the inner liner 120, and a threaded portion that screws onto the inner surface of the side wall of the inner liner 120. In one example, the plate-shaped connector also has a positioning post that inserts into a recess in the side wall of the inner liner 120 for positioning.

[0103] The outer surface of the bottom wall of the liquid storage container 510 has outwardly protruding limiting ribs. The upper surface of the bottom wall of the storage chamber 122 has limiting grooves into which the limiting ribs are inserted for positioning.

[0104] In some alternative embodiments, the mounting plate 126 defines a fluid port 130, which may be an optical aperture. Fluid delivery lines 520 may be connected to the corresponding fluid ports 130. Figure 9 This is a schematic internal structure diagram of a refrigeration and freezing apparatus 10 according to an embodiment of the present invention. Figure 10 yes Figure 9 The diagram shows an exploded schematic view of the internal structure of the refrigeration and freezing apparatus 10. The inner liner 120 may further be provided with a connecting plate 127, which is fixedly connected to the inner liner 120 and defines connection ports corresponding to the fluid ports 130. The connecting plate 127 has a recessed groove facing away from the fixed plate 126, and the bottom of the groove protrudes outwards facing away from the fixed plate 126 to form a connection port communicating with the external space. A fluid delivery pipe 520 is inserted into the recess to achieve connection. Using the scheme of this embodiment, the connecting plate 127 can connect multiple fluid delivery pipes 520 at once, which is simple and quick, simplifying the pipe insertion process.

[0105] In some alternative embodiments, the liquid storage device 500 further includes a fluid guiding mechanism 590. The liquid storage container 510 has an opening 512. Figure 11 This is a schematic structural diagram of the container cap 580 and the fluid guiding mechanism 590 of a liquid storage device 500 according to an embodiment of the present invention.

[0106] The container cap 580 covers the opening 512 to define a sealed liquid storage space together with the liquid storage container 510.

[0107] The fluid guiding mechanism 590 is fixedly connected to or integrally formed with the container cap 580, and is inserted into the liquid storage space when the container cap 580 covers the opening 512, thereby defining a guiding channel for guiding fluid flow. The guiding channel defines the flow path of the fluid within the liquid storage space. Under the action of the fluid guiding mechanism 590, the fluid flowing into the liquid storage space can flow along the fluid flow path defined by the guiding channel, thereby reducing or avoiding disordered diffusion of the fluid.

[0108] Since the fluid guiding mechanism 590 is fixedly connected to the container cap 580 or is an integral part of the container cap 580, the fluid guiding mechanism 590 can move synchronously with the container cap 580 to insert into the liquid storage space when the container cap 580 covers the opening 512. When the fluid guiding mechanism 590 is fixedly connected to the container cap 580, it can be connected by means of snap-fit, screw-fit, adhesive, riveting, or welding. When the fluid guiding mechanism 590 and the container cap 580 are an integral part, they can be integrally molded by injection molding.

[0109] By fixing the fluid guiding mechanism 590 to the container cap 580 or making the fluid guiding mechanism 590 and the container cap 580 an integral part, and inserting the fluid guiding mechanism 590 into the liquid storage space when the container cap 580 is in the opening 512 of the liquid storage container 510, a guiding channel for guiding fluid flow is defined. Since the fluid guiding mechanism 590 does not need to be fixedly assembled in the liquid storage space, the assembly method of the fluid guiding mechanism 590 of the liquid storage device 500 can be optimized and the assembly process can be simplified by adopting the solution of this embodiment.

[0110] The guide channel defined by the fluid guiding mechanism 590 can connect to the external environment of the liquid storage container 510, allowing fluid from the external environment to flow through the liquid storage space under the guidance of the guide channel. The fluid can be a gas or a liquid.

[0111] When the fluid is a gas, under the guidance of the fluid guiding mechanism 590, the fluid can flow along a relatively fixed path and out of the storage space to ensure gas washing efficiency. When the fluid is a liquid, under the guidance of the fluid guiding mechanism 590, the fluid can flow to a designated part of the storage space to meet the replenishment and / or liquid quality adjustment needs of the storage space.

[0112] Figure 12This is a schematic exploded view of the liquid storage container 510, container cover 580, and fluid guiding mechanism 590 of a liquid storage device 500 according to an embodiment of the present invention. In some optional embodiments, the guiding channel includes an inlet channel 591a and an outlet channel 592a, which are respectively connected to the external environment of the liquid storage space, so that gas from the external environment flows into the liquid storage space through the inlet channel 591a and flows out of the liquid storage space through the outlet channel 592a, and soluble impurities are filtered when flowing to the outlet channel 592a.

[0113] Figure 13 yes Figure 12 This is a schematic perspective view of the assembly structure of the liquid storage container 510, container cover 580, and fluid guiding mechanism 590 of the liquid storage device 500. The inlet passage 591a can be connected to the outlet passage 592a, for example, directly or indirectly. In one example, the inlet passage 591a and the outlet passage 592a are indirectly connected. For example, the inlet passage 591a and the outlet passage 592a can be connected through the liquid stored in the storage space. Gas flowing into the storage space from the inlet passage 591a can first flow through the liquid stored in the storage space and then flow out of the storage space through the outlet passage 592a, thereby dissolving soluble impurities in the gas into the liquid stored in the storage space as it flows towards the outlet passage 592a.

[0114] In another example, the intake passage 591a is directly connected to the exhaust passage 592a. The exhaust passage 592a can extend from the exhaust end of the intake passage 591a to the exhaust port 553 described below. The upstream section of the exhaust passage 592a is the liquid stored in the liquid storage space, and the downstream section is a pipeline. In this case, the gas flowing into the liquid storage space from the intake passage 591a can first flow through the upstream section of the exhaust passage 592a, and then flow out of the liquid storage space through the downstream section of the exhaust passage 592a, so that soluble impurities in the gas dissolve in the liquid stored in the liquid storage space when flowing through the upstream section of the exhaust passage 592a.

[0115] The container cap 580 and the fluid guiding mechanism 590 can be integrally molded using injection molding to form a single component. With this design, since the inlet channel 591a and outlet channel 592a can be directly molded onto the container cap 580 and used to guide the flow of gas within the liquid storage space, the gas can flow along a predetermined path through the liquid storage space with minimal irregular flow, which helps to increase the amount of filtered gas recovered.

[0116] In some alternative embodiments, the container cap 580 is provided with an air inlet 552 and an air outlet 553. The air inlet 552 is connected to an air inlet channel 591a and configured to allow gas from the external environment to flow into the air inlet channel 591a. The air outlet 553 is connected to an air outlet channel 592a and configured to allow filtered gas to flow out of the air outlet channel 592a. The air inlet 552 and the air outlet 553 can be injection molded onto the container cap 580. In one example, the air inlet channel 591a is directly connected to the air inlet 552, and the air outlet channel 592a is directly connected to the air outlet 553.

[0117] By providing an air inlet 552 and an air outlet 553 on the container cover 580, the air inlet 552 and the air outlet 553 can be connected to external pipelines. The gas to be filtered from the external environment of the liquid storage space can be transported to the liquid storage space through the pipeline, and the filtered gas can also be transported to a designated space through the pipeline, thereby enabling the gas to flow in a specific direction.

[0118] The air inlet 552 and the air outlet 553 can be hollow cylindrical interfaces formed on the container cover 580 and protruding outwards from the liquid storage space, respectively, to facilitate connection with external pipelines.

[0119] In a further example, the air inlet 552, the air outlet 553, and the fluid guiding mechanism 590 are all molded onto the container cap 580 by injection molding to form a single piece. This eliminates the need for connection and fixing operations. The fluid delivery structure can be assembled simply by covering the opening 512 of the liquid storage container with the container cap 580, which is simple and efficient.

[0120] Of course, in another example, the air inlet 552, the air outlet 553, and / or the fluid guiding mechanism 590 can also be fixedly connected to the container cover 580. The fixing methods include, but are not limited to, screwing, snap-fitting, bonding, welding, or riveting.

[0121] In some alternative embodiments, the fluid guiding mechanism 590 includes a filter pipe 591 and an outlet pipe 592. The filter pipe 591 connects to the air inlet 552 and extends from the inner surface of the container cap 580 toward the liquid storage space to define an air inlet passage 591a.

[0122] The vent pipe 592 connects to the vent port 553 and extends from the inner surface of the container cap 580 toward the liquid storage space to define a venting channel 592a. The depth of the vent pipe 592 in the liquid storage space is greater than the depth of the filter pipe 591 in the liquid storage space. That is, the length of the vent pipe 592 is shorter than the length of the filter pipe 591. In one example, the filter pipe 591 may extend to the bottom section of the liquid storage space, and the vent pipe 592 may extend to the top section of the liquid storage space. The filter pipe 591 and the vent pipe 592 may each be a straight pipe.

[0123] Using the above scheme, the gas to be filtered can reach the bottom section of the liquid storage space under the guidance of the filter pipe 591, and then move downwards and upwards within the liquid storage space. This allows soluble impurities in the gas to dissolve in the liquid stored in the liquid storage space, completing the gas purification. The purified gas can then flow to the vicinity of the outlet pipe 592 and flow out of the liquid storage space under the guidance of the outlet pipe 592, thus completing the gas purification. When the depth of the outlet pipe 592 in the liquid storage space is greater than the depth of the filter pipe 591 in the liquid storage space, the upward movement path of the gas can be extended, allowing soluble impurities in the gas to fully dissolve in the liquid stored in the liquid storage space.

[0124] In some optional embodiments, the fluid guiding mechanism 590 further includes an air path blocking section 595 extending from the inner surface of the container cap 580 toward the liquid storage space, and dividing the liquid storage space into an air-blocking filtration area 515 and a non-filtration area 516.

[0125] The filtration zone 515 connects the inlet channel 591a and the outlet channel 592a, and is configured to allow gas from the external environment to flow through it for filtration. In other words, the filtration zone 515 is in airflow communication with the inlet channel 591a and the outlet channel 592a. Gas flowing into the liquid storage space via the inlet channel 591a can flow through the filtration zone 515 and then merge into the outlet channel 592a. The filter pipe 591 and the outlet pipe 592 can be inserted into the filtration zone 515.

[0126] The non-filtered zone 516 is the liquid storage space outside the filter zone 515. In this embodiment, the filter zone 515 is a subspace within the liquid storage space, and the non-filtered zone 516 can be another subspace within the liquid storage space.

[0127] The gas path blocking section 595 divides the liquid storage space into a gas-blocking filtration zone 515 and a non-filtration zone 516. This means that the gas path blocking section 595 blocks the airflow passage between the filtration zone 515 and the non-filtration zone 516, preventing the gas flowing through the filtration zone 515 from entering the non-filtration zone 516. In other words, the gas flowing into the liquid storage space through the air inlet channel 591a can only flow within the filtration zone 515.

[0128] By employing the above structure, and by providing a gas path blocking section 595 in the liquid storage device 500, and using the gas path blocking section 595 to divide the liquid storage space into a gas-filtering zone 515 and a non-filtering zone 516 with gas path blocking, the function of purifying gas can be achieved only within the gas-filtering zone 515. Since the gas-filtering zone 515 is only a subspace of the liquid storage space, and the gas path between it and other areas of the liquid storage space is blocked, gas from the external environment of the liquid storage space can only flow within the gas-filtering zone 515 and will not freely diffuse into the non-filtering zone 516, thus preventing rapid discharge. Therefore, the liquid storage device 500 of this embodiment has a high purified gas release rate.

[0129] In some alternative embodiments, the non-filtered zone 516 is used to receive liquid from outside the storage space. For example, the container cap 580 may have an inlet 587 communicating with the non-filtered zone 516 to allow external liquid to flow into the non-filtered zone 516 through the inlet 587. A movable secondary cap 586 is provided at the inlet 587 to open or close the inlet 587.

[0130] When the gas path blocking part 595 blocks the gas path between the gas filtration zone 515 and the non-gas filtration zone 516, the gas filtration process in the gas filtration zone 515 and the liquid injection or liquid discharge process in the non-gas filtration zone 516 can be carried out simultaneously without mutual interference.

[0131] The gas path blocking section 595 blocks a portion of the liquid path between the filtration zone 515 and the non-filtration zone 516, ensuring that the liquid path remains connected between the filtration zone 515 and the non-filtration zone 516 even when the gas path is blocked. In other words, the gas path blocking section 595 only blocks the gas path between the filtration zone 515 and the non-filtration zone 516, but does not block the liquid path between the filtration zone 515 and the non-filtration zone 516.

[0132] When the non-filtered gas zone 516 is used to receive liquid from outside the liquid storage space, and the gas path blocking part 595 blocks part of the liquid path between the filter zone 515 and the non-filtered gas zone 516, so that the filter zone 515 and the non-filtered gas zone 516 remain connected in terms of liquid path even when the gas path is blocked, the liquid level difference between the filter zone 515 and the non-filtered gas zone 516 of the liquid storage device 500 can be reduced or avoided, and the liquid volume of the filter zone 515 can be easily controlled.

[0133] Based on the above structure, the filtration zone 515 and the non-filtration zone 516 can always maintain the same liquid level, and liquid exchange between them can proceed smoothly. In this way, the liquid in the filtration zone 515 can remain in a flowing state to a certain extent, eliminating the need for periodic replacement. Furthermore, substances dissolved in the filtration zone 515 can enter the non-filtration zone 516 and flow back into the operating environment, such as in the oxygen treatment device 300 described below, thus being recycled.

[0134] In some optional embodiments, the opening 512 of the liquid storage container 510 is located at the top of the liquid storage container 510. The gas path blocking part 595 is a partition-like structure located between the filtration zone 515 and the non-filtration zone 516, extending downward from the lower surface of the container cover 580 and forming a gap between it and the upper surface of the bottom wall of the liquid storage container 510, so that the filtration zone 515 and the non-filtration zone 516 are in communication. The partition-like gas path blocking part 595 can be a vertical plate.

[0135] This gap serves as a window for liquid exchange between the filtration zone 515 and the non-filtration zone 516. The bottom end of the filtration pipe 591 is higher than the bottom end of the gas path blocking part 595, and the distance between them is greater than a preset threshold. The preset threshold can be determined based on the displacement of the gas flowing from the filtration pipe 591 into the liquid storage space as it moves downward within the liquid storage space. For example, the preset threshold can be greater than or equal to the displacement of the gas moving downward within the liquid storage space.

[0136] In some alternative embodiments, the liquid storage container 510 has a liquid passage interface 551 communicating with the liquid storage space, configured to allow liquid to flow out of the liquid storage space. The liquid passage interface 551 is located in the bottom section of the liquid storage container 510. In one example, the liquid passage interface 551 may communicate with a non-filtered gas zone 516, allowing liquid inside the non-filtered gas zone 516 to flow out of the liquid outlet space via the liquid passage interface 551 and into the operating environment, such as in the oxygen treatment device 300 described below. Alternatively, in another example, the liquid passage interface 551 may also communicate with a filter zone 515, allowing liquid inside the filter zone 515 to flow out of the liquid outlet space via the liquid passage interface 551 and into the operating environment, such as in the oxygen treatment device 300 described below.

[0137] In one example, the air inlet 552 and the air outlet 553 may each be hollow cylindrical inlets that extend horizontally, for example, from front to back. The filter pipe 591 and the air outlet pipe 592 may each be hollow straight pipes that extend from top to bottom.

[0138] In some optional embodiments, the liquid storage device 500 may further include a liquid level sensor disposed within the liquid storage space for detecting the liquid level in the liquid storage space. The refrigeration and freezing device 10 may issue an alarm when the liquid level in the liquid storage space exceeds a preset range to prompt the user to replenish the liquid in the liquid storage space or stop replenishing the liquid.

[0139] Figure 14 This is a schematic structural diagram of the oxygen processing device 300 of a refrigeration and freezing apparatus 10 according to an embodiment of the present invention. Figure 15 yes Figure 14The diagram shows an exploded schematic view of the oxygen treatment device 300 in the refrigeration and freezing apparatus 10. In some alternative embodiments, the refrigeration and freezing apparatus 10 further includes the oxygen treatment device 300. The oxygen treatment device 300 has a housing 320 and an electrode pair. The interior of the housing 320 defines an electrochemical reaction chamber containing an electrolyte. The electrode pair is disposed in the electrochemical reaction chamber and is used to transfer external oxygen to the electrochemical reaction chamber via an electrochemical reaction. The electrochemical reaction chamber can serve as a liquid demand end.

[0140] The housing 320 has a liquid replenishment port 322 that connects to the electrochemical reaction chamber. The housing 320 also has an exhaust port 323 that connects to the electrochemical reaction chamber for discharging oxygen from the electrochemical reaction chamber.

[0141] Liquid port 131 is connected to the replenishment port. Liquid from the storage space can flow sequentially through liquid interface 551, liquid delivery pipeline 521, and liquid port 131 into the replenishment port, thereby entering the electrochemical reaction chamber to replenish the electrochemical reaction chamber. In one example, a replenishment pipeline can be connected between liquid port 131 and the replenishment port.

[0142] The air inlet port 132 connects to the exhaust port 323. Oxygen from the electrochemical reaction chamber can flow out through the exhaust port 323, sequentially passing through the air inlet port 132, the air inlet pipe 522, and the air inlet interface 552 into the liquid storage space. This allows soluble impurities in the oxygen to dissolve in the liquid stored in the liquid storage space, achieving filtration or purification. In one example, a filter pipe can be connected between the exhaust port and the air inlet port 132. The filter pipe can be pre-embedded within the foam layer.

[0143] In the above embodiments, the inner liner 120 can be a refrigeration inner liner 120. In one example, the refrigeration and freezing device 10 also includes another inner liner 150, which internally defines another storage compartment 152, such as a variable temperature compartment or a freezer compartment. Filtered oxygen can flow sequentially through the air outlet 553, the air outlet pipe 523, and the air outlet port 133 into the other storage compartment 152 to create a high-oxygen preservation atmosphere. Since the filtered oxygen does not contain electrolyte, the solution of this embodiment can provide clean oxygen to the other storage compartment 152. In one example, an oxygen supply pipe can be connected between the air outlet port 133 and the other inner liner 150. The oxygen supply pipe can be pre-embedded in the foam layer.

[0144] In some optional embodiments, the electrode pair may include a cathode plate 330 and an anode plate 340. The electrochemical reaction chamber is the site where the cathode plate 330 and the anode plate 340 carry out the electrochemical reaction, and it may contain an alkaline electrolyte, such as 1 mol / L NaOH, the concentration of which can be adjusted according to actual needs.

[0145] The housing 320 has a lateral opening 321. For example, the housing 320 may be in the shape of a flat cuboid. The lateral opening 321 may be located on any surface of the housing 320, such as the top surface, bottom surface, or side surface. In one example, the lateral opening 321 may be located on the surface of the housing 320 with the largest area.

[0146] The cathode plate 330 is disposed at the lateral opening 321 to define, together with the housing 320, an electrochemical reaction chamber for holding the electrolyte and for consuming oxygen through an electrochemical reaction. Oxygen in the air can undergo a reduction reaction at the cathode plate 330, namely: O2 + 2H2O + 4e- → 4OH-.

[0147] Anode plate 340 and cathode plate 330 are spaced apart within the electrochemical reaction chamber and are used to provide reactants to cathode plate 330 and generate oxygen through an electrochemical reaction. OH- ions generated at cathode plate 330 can undergo an oxidation reaction at anode plate 340 to generate oxygen, i.e., 4OH- ions. - →O2 + 2H2O + 4e - .

[0148] The above examples of electrochemical reactions of cathode plate 330 and anode plate 340 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 device 300 applicable to other types of electrochemical reactions. All such changes and extensions should fall within the protection scope of this invention.

[0149] The refrigeration and freezing device 10 may further include a storage container 600 disposed within a storage compartment 122, and the interior of the storage container 600 defines a storage space. The cathode plate 330 of the oxygen treatment device 300 is in airflow communication with the storage space, thereby reducing the oxygen content of the storage space through an electrochemical reaction.

[0150] In one example, the oxygen treatment device 300 may be disposed within the foam layer. In this case, the refrigeration and freezing device 10 may further include ventilation ducts embedded in the foam layer. The ventilation ducts may include a gas collection duct and a gas return duct.

[0151] The gas collecting pipe is used to guide the gas in the storage space to the cathode plate 330, and the gas return pipe is used to guide the gas flowing through the cathode plate 330 back to the storage space to reduce the oxygen content in the storage space. For example, the inner liner 120 has a first ventilation port connected to the first end of the gas collecting pipe and a second ventilation port connected to the first end of the gas return pipe on its wall. Each ventilation port is an opening formed on the wall of the inner liner 120. The second end of the gas collecting pipe and the second end of the gas return pipe can be connected to both ends of the cathode plate 330, respectively. Specifically, the second end of the gas collecting pipe can be connected to the upwind side of the cathode plate 330, and the second end of the gas return pipe can be connected to the downwind side of the cathode plate 330, so that the gas flowing out of the gas collecting pipe can flow into the gas return pipe after flowing through the cathode plate 330.

[0152] Using the above structure, the storage space and the oxygen treatment device 300 are connected by a gas collection pipeline and a gas return pipeline. Gas with a high oxygen content in the storage space can flow to the cathode plate 330 through the gas collection pipeline, so that the cathode plate 330 can use the oxygen in it as a reactant to carry out an electrochemical reaction, forming a low oxygen gas with a low oxygen content. This low oxygen gas can be returned to the storage space through the gas return pipeline, thereby reducing the oxygen content in the storage space.

[0153] In some alternative embodiments, the oxygen treatment device 300 may further include a housing that covers the side of the housing 320 with a lateral opening 321, thereby defining an airflow space communicating with the cathode plate 330 together with the housing 320. Guided by the gas collection pipe, gas from the storage space flows into the airflow space and contacts the cathode plate 330, thereby forming oxygen-deficient gas under the action of the cathode plate 330. This oxygen-deficient gas is transported back to the storage space through the return gas pipe, creating a low-oxygen preservation atmosphere in the storage space.

[0154] The cover may have a first connection port and a second connection port, which are respectively connected to the gas collection pipeline and the gas return pipeline.

[0155] The oxygen treatment device 300 can be located at any part of the foam layer, such as the back of the inner liner 120, or the top, bottom, and side of the inner liner 120. In one example, for a French door refrigerator or a T-type refrigerator, the oxygen treatment device 300 can be located in the gap between the upper inner liner 120 and the lower inner liner 120.

[0156] In some alternative embodiments, the side of the foam layer facing away from the inner liner 120 has an assembly groove that communicates with the external environment of the foam layer for assembling the oxygen treatment device 300.

[0157] After the foam layer is formed, the oxygen treatment device 300 can be assembled into the mounting groove, thus being disposed within the foam layer. The mounting groove can be pre-formed during the foam layer forming process. The mounting groove is recessed along the thickness direction of the foam layer towards the inner liner 120, forming a gap between the mounting groove and the inner liner 120. In other words, the mounting groove does not penetrate the foam layer, which prevents the oxygen treatment device 300 assembled into the mounting groove from being in direct contact with the inner liner 120. That is, a certain thickness of heat insulation material is formed between the inner liner 120 and the oxygen treatment device 300.

[0158] By employing the above structure, an assembly groove communicating with the external environment of the foam layer is opened on the side of the foam layer facing away from the inner liner 120, and a gap is formed between the assembly groove and the inner liner 120. This allows the oxygen treatment device 300 to be installed into the assembly groove after the foam layer has been formed, simplifying the assembly and disassembly of the oxygen treatment device 300. Furthermore, since the oxygen treatment device 300 is not in close contact with the inner liner 120, the solution of this embodiment can reduce or avoid the impact of the low-temperature environment of the refrigeration and freezing device 10 on the normal conduction of the electrochemical reaction.

[0159] The oxygen treatment device 300 can be fixed in the mounting groove, and the fixing methods include but are not limited to screwing, snapping, riveting, welding and bonding.

[0160] In some alternative embodiments, the refrigeration and freezing device 10 has a housing 100, which includes the aforementioned inner liner 120. The housing 100 also includes a shell 170, which covers the outside of the foam layer to hold the foam layer between the inner liner 120 and the shell 170. The shell 170 has a back panel, and a mounting groove is formed between the back wall of the inner liner 120 and the back panel of the shell 170. That is, in this embodiment, the oxygen treatment device 300 is disposed within the foam layer on the back of the inner liner 120. The back panel of the shell 170 can close the opening of the mounting groove for an aesthetically pleasing appearance.

[0161] In one example, the back panel of the housing 170 may have a mounting opening facing the mounting groove. During assembly, the oxygen treatment device 300 can be directly fixed into the mounting groove through the mounting opening without removing the back panel of the housing 170. In a further example, a cover plate may be provided at the mounting opening to conceal it for aesthetic purposes. In another example, the oxygen treatment device 300 can be fixed into the mounting groove first, and then the back panel of the housing 170 can be placed over the back of the foam layer.

[0162] With the above structure, the oxygen treatment device 300 does not need to be pre-installed in the foam layer, avoiding adverse effects of the foaming process on the structure and performance of the oxygen treatment device 300. Furthermore, the assembly process of the oxygen treatment device 300 can be performed on the back of the refrigeration and freezing device 10, which has the advantages of simple assembly process.

[0163] In another example, the housing 100 further defines a compressor chamber for mounting the compressor. An oxygen treatment device 300 may be located within the compressor chamber. For example, a support plate for securing the compressor is provided at the bottom of the compressor chamber, and the oxygen treatment device 300 may be directly or indirectly mounted on the support plate. In one example, the space containing the oxygen treatment device 300 may be separated from other spaces within the compressor chamber and used as an independent space to avoid gas exchange with other spaces within the compressor chamber.

[0164] 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. A refrigeration and freezing apparatus, characterized in that, include: The inner liner defines a storage compartment inside; the inner liner is provided with at least one fluid port penetrating its wall. A storage container is provided inside the storage room, and the interior of the storage container defines a storage space; and A liquid storage device is installed in the storage room and includes a liquid storage container, the interior of which defines a liquid storage space; and at least one fluid interface is formed on the liquid storage container to communicate with the liquid storage space, the fluid interface being connected to the fluid port in a one-to-one correspondence, so that the liquid storage space is connected to the external environment of the inner liner; The liquid storage device further includes at least one fluid delivery pipeline disposed in the storage room; the fluid delivery pipeline is connected one by one between the fluid interface and the corresponding fluid port; The fluid port further includes at least one gas passage port for fluid gas; the fluid interface further includes at least one gas passage interface for gas flow and connected to each of the gas passage ports; the fluid delivery pipeline further includes at least one gas delivery pipeline connected to each of the gas passage ports and the corresponding gas passage interfaces.

2. The refrigeration and freezing apparatus according to claim 1, characterized in that, The liquid storage device further includes an assembly cavity, which is fixedly assembled in the storage room; and the assembly cavity is connected to a pipeline fitting, which has a hollow cylindrical channel for the fluid delivery pipeline to be inserted therein to achieve fixed assembly.

3. The refrigeration and freezing apparatus according to claim 1, characterized in that, The fluid port is a hollow cylindrical interface formed on the inner liner and protruding towards the corresponding fluid interface, so as to be nested with and detachably connected to the first end of the fluid delivery pipeline; and The fluid interface is a hollow cylindrical interface formed on the liquid storage container and raised towards the corresponding fluid port, so as to be nested with and detachably connected to the second end of the fluid delivery pipeline.

4. The refrigeration and freezing apparatus according to claim 1, characterized in that, The fluid port includes a liquid passage port for the flow of liquid; the fluid interface includes a liquid passage interface for the flow of liquid; the fluid delivery pipeline includes a liquid delivery pipeline connected between the liquid passage port and the liquid passage interface.

5. The refrigeration and freezing apparatus according to claim 4, characterized in that, The liquid interface is lower than the gas interface; and The liquid path port is opposite to the liquid path interface.

6. The refrigeration and freezing apparatus according to claim 4, characterized in that, The air passage has two interfaces: an air inlet and an air outlet. The air passage has two ports: an air inlet port opposite to the air inlet interface and an air outlet port opposite to the air outlet interface. The gas delivery pipeline consists of two parts: an inlet pipeline and an outlet pipeline. The inlet pipeline is connected between the inlet port and the inlet interface, and is used to guide the gas from the external environment of the inner liner to the liquid storage space to filter soluble impurities. The outlet pipeline is connected between the outlet interface and the outlet port, and is used to discharge the filtered gas to the external environment of the inner liner.

7. The refrigeration and freezing apparatus according to claim 6, characterized in that, Also includes: An oxygen treatment device has a housing and an electrode pair. The interior of the housing defines an electrochemical reaction chamber for holding an electrolyte. The electrode pair is disposed in the electrochemical reaction chamber and is used to transfer external oxygen into the electrochemical reaction chamber via an electrochemical reaction. The housing has a liquid inlet connected to the electrochemical reaction chamber and an exhaust port connected to the electrochemical reaction chamber; the liquid port is connected to the liquid inlet; and the air inlet port is connected to the exhaust port.

8. The refrigeration and freezing apparatus according to claim 6, characterized in that, The liquid storage device also includes a one-way valve, which is disposed at the air inlet or in the flow path between the air inlet and the air inlet, for allowing fluid from the air inlet to pass through in one direction.

9. The refrigeration and freezing apparatus according to claim 4, characterized in that, The liquid storage device also includes a power mechanism, which is located at the liquid interface or in the flow path between the liquid interface and the liquid port, for pressurizing the liquid flowing from the liquid interface to the liquid port.

10. The refrigeration and freezing apparatus according to claim 1, characterized in that, The inner liner includes: The main body has a notch; and A fixing plate that closes the notch, together with the body portion, defines the inner liner and forms a portion of the inner liner wall; and the fixing plate defines the fluid port.

11. The refrigeration and freezing apparatus according to claim 10, characterized in that, The fixing plate forms part of the rear wall of the inner liner; The liquid storage container is disposed on the front side of the fixed plate and spaced apart from the rear wall of the inner liner to define an installation space for assembling pipelines.

Images