refrigerator

Abstract

The present application provides a refrigerator, which includes a refrigerator body, an oxygen control module and a water filling pipe; the refrigerator body is provided with an oxygen control fresh-keeping bin and a refrigeration system; a chamber for storing articles is provided in the oxygen control fresh-keeping bin; a water injection hole is provided at the front end of the oxygen control fresh-keeping bin; the oxygen control module is provided at the rear end of the oxygen control fresh-keeping bin, and is provided with an electrolyte holding tank for controlling the oxygen concentration in the chamber through an electrolytic reaction; the water filling pipe is fixed to the oxygen control fresh-keeping bin, one end of which is connected to the electrolyte holding tank, and the other end of which is connected to the water filling hole. The present application provides a water filling hole at the front end of the oxygen control fresh-keeping bin, and connects the water filling hole at the front end of the oxygen control fresh-keeping bin and the electrolyte holding tank at the rear end of the oxygen control fresh-keeping bin through the water filling pipe, so that water can be added to the electrolyte holding tank of the oxygen control module through the water filling hole at the front end, without the need to disassemble the large fruit and vegetable drawer above, etc., which is more convenient to use, and a part of water can also be stored in the water filling pipe, reducing the frequency of water addition.

Description

Technical Field

[0001] The present application relates to the technical field of refrigerators, and in particular to an oxygen-controlled fresh-keeping refrigerator that is convenient for adding water. Background Art

[0002] In the related scheme, an oxygen control module is set at the rear end of the oxygen control fresh-keeping compartment of the refrigerator, and the oxygen concentration in the oxygen control fresh-keeping compartment is controlled by the oxygen control module, thereby extending the storage time of food. The oxygen control module used is to electrolyze the electrolyte, so that the cathode reaction consumes oxygen and the anode produces oxygen, and then transfer oxygen from the inside to the outside in the oxygen control fresh-keeping compartment.

[0003] During use, the water in the electrolyte will slowly decrease due to evaporation, and the electrolyte will decrease, affecting the oxygen control efficiency. Therefore, water should be added to the electrolyte storage tank at regular intervals to ensure sufficient electrolyte. The oxygen control and fresh-keeping compartment is located below the large fruit and vegetable drawer in the refrigerated inner tank, and the oxygen control module is fixed at the rear end of the oxygen control and fresh-keeping compartment. Therefore, the user needs to remove the large fruit and vegetable drawer first before adding water to the electrolyte storage tank, which is very inconvenient to use. Summary of the invention

[0004] In some embodiments of the present application, a refrigerator is provided, in which a water injection hole is arranged at the front end of the oxygen control and fresh-keeping compartment, and the water injection hole at the front end of the oxygen control and fresh-keeping compartment and the electrolyte containing tank at the rear end of the oxygen control and fresh-keeping compartment are connected through a water filling pipe, so that water can be added to the electrolyte containing tank of the oxygen control module through the water injection hole at the front end, without the need to dismantle the large fruit and vegetable drawer above, etc., which is more convenient to use, and a part of water can also be stored in the water filling pipe, thereby reducing the frequency of water adding.

[0005] In some embodiments of the present application, a hole cover that can be flipped to open or close the water injection hole is provided at the front end of the oxygen-controlled fresh-keeping bin, which not only prevents foreign matter, dust, etc. from entering the water injection hole but also makes it more beautiful.

[0006] In some embodiments of the present application, a water collecting trough is arranged under the water injection hole, and the water collecting trough is connected with the water pipe body to form a water adding pipe. The setting of the water collecting trough is convenient for collecting water added from the water injection hole, thereby meeting the water injection demand of the water injection hole opened above the front end of the fresh-keeping bin.

[0007] In some embodiments of the present application, a water storage box connected to the electrolyte holding tank is provided on the top of the oxygen control module, and the water storage box is connected to the water adding pipe, thereby realizing indirect connection between the water adding pipe and the electrolyte holding tank, increasing the water storage space while solving the connection problem between the water adding pipe and the electrolyte holding tank.

[0008] In some embodiments of the present application, the cathode plate and the anode plate are sealed and fixed on both sides of the sealing frame to form an electrolyte holding tank, which not only meets the use requirements but also makes the structure more compact, reduces space occupancy, and reduces the overall weight of the refrigerator.

[0009] In some embodiments of the present application, a liquid level sensor is provided in the water storage box, so that a sensing signal can be sent out when the liquid in the water storage box is less than a predetermined amount, so as to prompt the user to add water in time to avoid the problem of insufficient electrolyte in the electrolyte holding tank.

[0010] In some embodiments of the present application, the docking nozzle provided on the water storage box can be sealed and docked with the water filling pipe, thereby achieving sealed communication between the water storage box and the water filling pipe.

[0011] In some embodiments of the present application, a water injection hole is opened at the front end of the top cover plate of the drawer cavity assembly, which makes water injection more convenient.

[0012] In some embodiments of the present application, a control button for controlling the oxygen control module is provided at the front end of the oxygen control and fresh-keeping bin, which is convenient for operation and control and also more beautiful.

[0013] In some embodiments of the present application, the oxygen-controlled fresh-keeping bin is disposed below the large fruit and vegetable drawer, so that the heavier parts are located at the lower part of the refrigerator as much as possible, making the refrigerator more stable as a whole during use, and making the functional parts that are used more frequently located in a more easily accessible position.

[0014] In some embodiments of the present application, a refrigerator is provided, comprising:

[0015] The refrigerator body is provided with an oxygen-controlled fresh-keeping bin and a refrigeration system; the oxygen-controlled fresh-keeping bin is provided with a chamber for storing items; the front end of the oxygen-controlled fresh-keeping bin is provided with a water injection hole;

[0016] An oxygen control module is disposed at the rear end of the oxygen control and fresh-keeping bin and is provided with an electrolyte containing tank for controlling the oxygen concentration in the chamber through an electrolytic reaction;

[0017] A water adding pipe is fixed to the oxygen control and fresh-keeping bin, one end of which is connected to the electrolyte containing tank, and the other end of which is connected to the water injection hole.

[0018] In some embodiments of the present application, the refrigerator further comprises a hole cover;

[0019] The hole cover is hinged to the front end of the oxygen-controlled fresh-keeping bin and is used for turning around the hinge to open or close the water injection hole.

[0020] In some embodiments of the present application, the water supply pipe includes a water pipe body and a water collection tank;

[0021] The water collecting tank is fixed below the water injection hole and is used to collect the liquid injected from the water injection hole;

[0022] One end of the water pipe body is connected to the water collecting tank, and the other end is connected to the electrolyte containing tank.

[0023] In some embodiments of the present application, the oxygen control module is further provided with a water storage box;

[0024] The water storage box is located on the top of the oxygen control module, and is used to connect the electrolyte containing tank and the water adding pipe and store the liquid added by the water adding pipe.

[0025] In some embodiments of the present application, the oxygen control module further includes a cathode plate, an anode plate and a sealing frame;

[0026] The two sides of the sealing frame are connected; the cathode sheet and the anode sheet are sealed on the two sides of the sealing frame, thereby forming the electrolyte containing tank.

[0027] In some embodiments of the present application, a liquid level sensor is provided in the water storage box for sending a sensing signal when the liquid in the water storage box is less than a predetermined amount.

[0028] In some embodiments of the present application, the water storage box is provided with a docking nozzle that can be sealably docked with the water filling pipe to achieve communication between the water storage box and the water filling pipe.

[0029] In some embodiments of the present application, the oxygen-controlled fresh-keeping bin includes a drawer cavity assembly and a drawer assembly, the drawer cavity assembly is provided with a chamber for accommodating the drawer assembly, and the drawer assembly is disposed in the chamber in an inward and outward manner;

[0030] A top cover plate is provided on the top of the drawer cavity assembly, and the water injection hole is opened at the front end of the top cover plate.

[0031] In some embodiments of the present application, the refrigerator further includes a control button;

[0032] The control button is arranged at the front end of the oxygen control and fresh-keeping bin and is used to control the oxygen control module.

[0033] In some embodiments of the present application, the refrigerator body further includes a refrigerated inner tank and a large fruit and vegetable drawer;

[0034] The oxygen-controlled fresh-keeping bin and the large fruit and vegetable drawer are both arranged in the refrigeration inner container, and the oxygen-controlled fresh-keeping bin is located below the large fruit and vegetable drawer. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a schematic diagram of the internal structure of the refrigerated inner container in an embodiment of the present application.

[0036] Figure 2 It is a schematic diagram of the internal structure of the refrigerated inner container in a side view in one embodiment of the present application.

[0037] Figure 3 It is a schematic diagram of the appearance structure of the oxygen-controlled fresh-keeping warehouse in one embodiment of the present application.

[0038] Figure 4 It is a schematic diagram of the disassembled structure of the oxygen-controlled fresh-keeping bin in one embodiment of the present application.

[0039] Figure 5 It is a schematic diagram of the disassembled structure of the drawer cavity assembly in one embodiment of the present application.

[0040] Figure 6 It is a schematic diagram of the three-dimensional structure of a drawer assembly in one embodiment of the present application.

[0041] Figure 7 It is a schematic diagram of the partially disassembled structure of the oxygen control module in one embodiment of the present application.

[0042] Figure 8 It is a schematic diagram of the three-dimensional structure of the oxygen control module in one embodiment of the present application.

[0043] Fig. 9 yes Figure 4 A partially enlarged schematic diagram of the disassembled structure of the SPC oxygen fresh-keeping warehouse.

[0044] Fig.10 This is a side view of the structure of the water adding pipe in the oxygen controlled fresh-keeping bin in one embodiment of the present application.

[0045] Reference numerals:

[0046] 1. Refrigerator liner;

[0047] 2. Large fruit and vegetable drawer;

[0048] 3. Refrigerated shelf;

[0049] 4. Oxygen control fresh-keeping bin; 41. Drawer cavity assembly; 411. Left side plate; 412. Right side plate; 413. Bottom plate; 414. Back plate; 415. Top cover plate; 4151. Water injection hole; 4152. Reinforcement member; 416. Front frame; 417. Guide mechanism; 42. Drawer assembly; 421. Guide matching part;

[0050] 5. Oxygen control module; 51. Cathode sheet; 52. Anode sheet; 53. Sealing frame; 54. Water storage box; 541. Docking nozzle;

[0051] 6. water supply pipe; 61. water pipe body; 611. main body section; 612. transition section; 62. water collecting tank;

[0052] 7. Hole cover. DETAILED DESCRIPTION

[0053] Typical implementations that embody the features and advantages of the present application will be described in detail in the following description. It should be understood that the present application can have various changes in different implementations without departing from the scope of the present application, and the descriptions and illustrations therein are essentially used for illustrative purposes rather than for limiting the present application.

[0054] In the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0055] In the embodiments shown in the drawings, the indications of directions (such as up, down, left, right, front and back) used to explain the structure and movement of various elements of the present application are not absolute but relative. These descriptions are appropriate when these elements are in the positions shown in the drawings. If the description of the positions of these elements changes, the indications of these directions also change accordingly.

[0056] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0057] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0058] When fruits, vegetables and other ingredients are stored in the refrigerator, they still carry out life activities such as respiration and metabolism. By controlling the temperature, oxygen concentration and other conditions in the box, the respiration of fruits and vegetables can be inhibited and their metabolic process can be slowed down, thereby better maintaining the freshness and commercial quality of fruits and vegetables and extending the storage period and shelf life of fruits and vegetables.

[0059] The oxygen control module is a miniaturized device that uses the electrochemical reaction of an air battery to absorb and discharge oxygen. It is mainly composed of an anode, a cathode, and an electrolyte. The anode is generally a metal (such as titanium, zinc, lithium, etc.), the cathode is mainly porous activated carbon, and the electrolyte is generally an alkaline solution (such as potassium carbonate, sodium hydroxide, potassium hydroxide, etc.). Both the cathode and the anode are in contact with the electrolyte, and the oxygen transfer between the confined space and the outside air is achieved through charging and discharging, thereby adjusting the oxygen concentration in the confined space.

[0060] Reference Figure 1 and Figure 2 The present application provides a refrigerator, including a refrigerator body, an oxygen control module, a water supply pipe, a hole cover, a refrigeration liner 1, a large fruit and vegetable drawer 2 and a refrigeration shelf 3, etc.

[0061] The refrigerator body is the main functional part of the refrigerator, and the refrigerator body is provided with an oxygen control fresh-keeping compartment 4 and a refrigeration system. A refrigeration liner 1 is fixedly arranged inside the refrigerator body. The oxygen control fresh-keeping compartment 4 is arranged in the refrigeration liner 1. The refrigeration system is used to control the temperature in the refrigeration liner 1.

[0062] The refrigerated inner tank 1 is a box-shaped structure with an opening at the front. The large fruit and vegetable drawer 2, the refrigerated shelf 3 and the oxygen-controlled fresh-keeping compartment 4 are all arranged in the refrigerated inner tank 1, so that different storage function parts are in the temperature environment of the refrigerated inner tank 1 together.

[0063] The refrigeration shelf 3 is fixedly arranged in the upper space of the refrigeration inner tank 1. The refrigeration shelf 3 is usually a plate-shaped structure and is light in weight. The refrigeration shelf 3 is arranged in the upper space of the refrigeration inner tank 1, which can effectively reduce the weight of the upper part of the refrigerator, so that the refrigerator is more stable when placed. The refrigeration shelf 3 is used frequently, and it is also convenient to take and put food when it is arranged at a higher position.

[0064] One or more refrigeration shelves 3 can be provided in the refrigeration liner 1 as needed. When multiple refrigeration shelves 3 are provided, the multiple refrigeration shelves 3 are arranged in parallel up and down, and a suitable distance is maintained between two adjacent refrigeration shelves 3 to provide space for accommodating food.

[0065] The large fruit and vegetable drawer 2 is arranged below the refrigerating shelf 3. Large fruits and vegetables are generally heavy and often need to be stored for a long time. The large fruit and vegetable drawer 2 is arranged below the refrigerating shelf 3, which can shift the overall weight of the refrigerator downward, and the frequency of use of the large fruit and vegetable drawer 2 is lower than that of the refrigerating shelf 3.

[0066] Reference Figure 3 and Figure 4 The oxygen-controlled fresh-keeping bin 4 includes a drawer cavity assembly 41 and a drawer assembly 42 .

[0067] Reference Figure 5 The drawer cavity assembly 41 includes a left side plate 411, a right side plate 412, a bottom plate 413, a back plate 414, a top cover plate 415, a front frame 416 and a guide mechanism 417. The left side plate 411, the right side plate 412, the bottom plate 413, the back plate 414, the top cover plate 415 and the front frame 416 are together enclosed to form a cavity structure for accommodating the drawer assembly 42.

[0068] The front frame 416 is a frame-shaped structure, located at the front end. The opening formed by the front frame 416 is used for entering and exiting the drawer assembly 42. The left and right edges of the front frame 416 are fixedly connected to the front edge of the left side plate 411 and the front edge of the right side plate 412 respectively.

[0069] The left and right edges of the bottom plate 413 are fixed to the lower edge of the left plate 411 and the lower edge of the right plate 412 respectively.

[0070] The bottom plate 413 is provided with guide mechanisms 417 near its left and right edges for guiding the drawer assembly 42 to enter and exit.

[0071] The left and right edges of the back plate 414 are respectively fixed to the rear edge of the left plate 411 and the rear edge of the right plate 412. The lower edge of the back plate 414 is fixed to the rear edge of the bottom plate 413.

[0072] The back plate 414 is provided with a fixing component for fixing the oxygen control module 5. The back plate 414 is also provided with an opening for connecting the oxygen control module 5 to absorb oxygen in the cavity of the drawer cavity assembly 41.

[0073] The front edge, rear edge, left edge and right edge of the top cover plate 415 are respectively fixed to the upper edge of the front frame 416, the upper edge of the left side plate 411, the upper edge of the right side plate 412 and the upper edge of the back plate 414.

[0074] The top cover plate 415 is provided with a water injection hole 4151 near its front edge. The water injection hole 4151 is used as an inlet for adding water to the electrolyte containing tank of the oxygen control module 5.

[0075] The hole cover 7 is hinged to the top cover plate 415 at the corresponding water injection hole 4151. The hole cover 7 is turned upward around the hinge axis to open the water injection hole 4151, so that water can be added to the water injection hole 4151. The hole cover 7 is turned downward around the hinge axis to close the water injection hole 4151, which can not only ensure the partial beauty of the refrigerator, but also prevent foreign matter, dust, etc. from entering the water injection hole 4151.

[0076] The drawer assembly 42 can enter and exit the cavity of the drawer cavity assembly 41 through the opening formed by the front frame 416 .

[0077] Reference Figure 6 Guide matching parts 421 matching with the guide mechanism 417 are provided on both sides of the bottom of the drawer assembly 42, and the guiding effect on the drawer assembly 42 is achieved by matching the guide matching parts 421 with the guide mechanism 417.

[0078] A control button (not shown) is disposed on the top cover plate 415 near the front edge, and is used to control the start and stop and operation of the oxygen control module 5. The control button is disposed near the water injection hole 4151.

[0079] Reference Figure 7 The oxygen control module 5 includes a cathode plate 51 , an anode plate 52 , a sealing frame 53 and a water storage box 54 .

[0080] The sealing frame 53 is a non-closed frame structure with an opening at the top. The cathode sheet 51 and the anode sheet 52 are sealed and fixed on both sides of the sealing frame 53, respectively, so that the cathode sheet 51, the anode sheet 52 and the sealing frame 53 enclose an electrolyte containing tank that can contain electrolyte.

[0081] This arrangement not only meets the arrangement requirement that the cathode plate 51 and the anode plate 52 contact the electrolyte to realize the electrolysis working principle, but also the cathode plate 51 and the anode plate 52, as components of the electrolyte holding tank, effectively reduce the thickness and weight of the oxygen control module 5, and can effectively save the internal space of the refrigerator behind the oxygen control and preservation chamber 4, making the overall internal structure of the refrigerator compact.

[0082] The oxygen control module 5 is fixed to the fixed part on the back plate 414. The oxygen control module 5 is close to the right side plate 412 on the back plate 414, and is connected to the inner space of the drawer cavity assembly 41 through the opening on the back plate 414, so that the oxygen in the inner space of the drawer cavity assembly 41 can be consumed or added through the electrolytic reaction.

[0083] The oxygen control module 5 consumes the oxygen inside the drawer cavity assembly 41, that is, when it is used to reduce the oxygen concentration in the drawer cavity assembly 41, it can slow down the respiration of the fruits and vegetables placed in the drawer assembly 42, thereby extending the preservation time.

[0084] When the oxygen control module 5 is used to add oxygen into the drawer cavity assembly 41, it can provide the oxygen required for breathing for the live crabs, live shrimps, etc. placed in the drawer assembly 42, thereby keeping the live crabs, live shrimps, etc. fresh and extending the shelf life.

[0085] Reference Figure 8 The water storage box 54 is fixed to the top of the sealing frame 53. The water storage box 54 is connected to the electrolyte containing tank composed of the anode plate 52, the sealing frame 53 and the water storage box 54, so that the water in the water storage box 54 can flow into the electrolyte containing tank to replenish the electrolyte in the electrolyte containing tank.

[0086] A docking nozzle 541 for docking with the water filling pipe 6 is provided on one side of the water storage box 54 facing forward.

[0087] The docking nozzle 541 can be a short tube with a rectangular cross section. The left and right widths of the docking nozzle 541 can be the same as the left and right widths of the water storage box 54, thereby increasing the cross-sectional area of ​​the docking nozzle 541 and making the water flow smoother during water injection.

[0088] A liquid level sensor (not shown) is provided in the water storage box 54, and the level sensor is fixed at a preset height in the water storage box 54. When the liquid level in the water storage box 54 is lower than the preset height, it means that the water in the water storage box 54 is less than the set amount, and the liquid level sensor sends a sensing signal, and then sends a water-adding reminder to the user through a speaker or a warning light.

[0089] Reference Fig. 9 and Fig.10 The water supply pipe 6 includes a water pipe body 61 and a water collecting tank 62.

[0090] The water collecting trough 62 is fixed below the water injection hole 4151. The water collecting trough 62 is a trough-shaped structure with an upper opening. The upper opening of the water collecting trough 62 is directly opposite to the water injection hole 4151, and is of the same shape and size as the water injection hole 4151 or slightly larger than the water injection hole 4151. The water collecting trough 62 is used to collect the liquid injected from the water injection hole 4151.

[0091] The water collecting tank 62 may be an integral structure with the reinforcement member 4152 disposed below the front edge of the top cover plate 415, thereby increasing the overall structural strength and reducing the structural complexity.

[0092] One end of the water pipe body 61 is connected to the water collecting tank 62 , and the other end is connected to the docking nozzle 541 of the water storage box 54 , so that the water collected from the water collecting tank 62 can be transported to the water storage box 54 .

[0093] The water pipe body 61 includes a main body section 611 and a transition section 612 .

[0094] The body section 611 is a flat tube made of hard material with a rectangular cross section, which saves space and is easy to fix. The body section 611 can be a straight tube extending roughly in a straight direction.

[0095] One end of the body section 611 can be inserted into the docking nozzle 541 of the water storage box 54 and form an interference fit, thereby achieving sealed communication with the docking nozzle 541.

[0096] The other end of the body section 611 can be inserted into one end of the transition section 612 away from the water collecting tank 62 and form an interference fit, thereby achieving sealed communication with the transition section 612 .

[0097] In some embodiments, the cross-section of the main body section 611 may also be a trapezoid, a circle, a rectangle with rounded corners, etc., as long as it does not interfere with the top cover plate above or the drawer below.

[0098] The transition section 612 and the water collecting tank 62 are integrally formed and communicate with each other, thereby ensuring the connection reliability and connection sealing of the transition section 612 and the water collecting tank 62 .

[0099] The transition section 612 , the water collecting trough 62 and the reinforcement member 4152 may be integrally cast plastic parts.

[0100] The transition section 612 may be a curved pipe with a rectangular cross section. The curved pipe design of the transition section 612 can keep the main section 611 away from the right side plate 412 when the sump 62 is close to the right side plate 412, thereby avoiding interference between the main section 611 and the structure on the right side plate 412.

[0101] In some embodiments, the transition section 612 may also have a cross-section in other shapes corresponding to that of the main section 611 .

[0102] In combination with the above structural settings, a usage process of the refrigerator of the present application is as follows:

[0103] When the liquid level sensor in the water storage box 54 senses that the liquid level in the water storage box 54 is lower than a predetermined height, a sensing signal is sent out, thereby controlling a speaker or a warning light to send a water-adding reminder to the user.

[0104] After the user hears the sound of the water adding reminder from the speaker or sees the reminder light from the reminder lamp, the user flips up the hole cover 7 arranged at the front end of the top cover plate 415 to open the water injection hole 4151. The user can add water to the water collection tank 62 through the water injection hole 4151.

[0105] The water added to the water collection tank 62 is transferred backward to the water storage box 54 through the water pipe body 61. If the electrolyte in the electrolyte storage tank of the oxygen control module 5 is not full, the water added to the water storage box 54 will directly flow downward into the electrolyte storage tank until the electrolyte storage tank is full of electrolyte. If the electrolyte storage tank is already full of electrolyte, the water that continues to be added will be stored in the water storage box 54.

[0106] After the water storage box 54 is full of water, the water that continues to be added will be stored in the water adding pipe 6. The water adding pipe 6 is long and is designed to be rectangular in cross section, so that more water can be stored in the water adding pipe 6, thereby greatly reducing the frequency of low water addition and being more convenient to use.

[0107] The user can control the start and stop of the oxygen control module 5 through the control button arranged at the front end of the top cover plate 415, so as to control the oxygen concentration in the oxygen control fresh-keeping bin 4 as needed.

[0108] Although the present application has been described with reference to several typical embodiments, it should be understood that the terms used are illustrative and exemplary, rather than restrictive. Since the present application can be implemented in a variety of forms without departing from the spirit or essence of the present application, it should be understood that the above-mentioned embodiments are not limited to any of the aforementioned details, but should be widely interpreted within the spirit and scope defined by the attached claims, so all changes and modifications falling within the scope of the claims or their equivalents should be covered by the attached claims.

Claims

1. A refrigerator, characterized in that: include: The refrigerator body is provided with an oxygen-controlled fresh-keeping bin and a refrigeration system; the oxygen-controlled fresh-keeping bin is provided with a chamber for storing articles; a water injection hole is provided at the front end of the oxygen-controlled fresh-keeping bin; the refrigerator body also includes a refrigerated inner tank and a large fruit and vegetable drawer; the oxygen-controlled fresh-keeping bin and the large fruit and vegetable drawer are both provided in the refrigerated inner tank, and the oxygen-controlled fresh-keeping bin is located below the large fruit and vegetable drawer; An oxygen control module is disposed at the rear end of the oxygen control and fresh-keeping bin and is provided with an electrolyte containing tank for controlling the oxygen concentration in the chamber through an electrolytic reaction; A water supply pipe is fixed to the oxygen control and fresh-keeping bin, one end of which is connected to the electrolyte containing tank and the other end of which is connected to the water injection hole; The oxygen-controlled fresh-keeping bin comprises a drawer cavity assembly and a drawer assembly, wherein the drawer cavity assembly is provided with a cavity for accommodating the drawer assembly, and the drawer assembly is arranged in the cavity in an inward and outward manner; a top cover plate is provided on the top of the drawer cavity assembly, and the water injection hole is provided at the front end of the top cover plate; a back plate is provided at the rear of the drawer cavity assembly, and an opening is provided on the back plate; the oxygen control module is embedded in the opening; The oxygen control module includes a water storage box; the water storage box is located on the top of the oxygen control module, and is used to connect the electrolyte containing tank and the water adding pipe and store the liquid added by the water adding pipe; The water supply pipe is arranged above the drawer assembly; the water supply pipe comprises a water pipe body and a water collecting tank; the water collecting tank is fixed below the water injection hole; One end of the water pipe body is connected to the water collecting tank, and the other end is connected to the water storage box; The water pipe body is arranged to be inclined in the rearward direction, and one end of the water pipe body connected to the water collecting tank is higher than one end of the water pipe body connected to the water storage box.

2. The refrigerator according to claim 1, characterized in that: Also included are hole covers; The hole cover is hinged to the front end of the oxygen-controlled fresh-keeping bin and is used for turning around the hinge to open or close the water injection hole.

3. The refrigerator according to claim 1, characterized in that: The oxygen control module also includes a cathode plate, an anode plate and a sealing frame; The two sides of the sealing frame are connected; the cathode sheet and the anode sheet are sealed on the two sides of the sealing frame, thereby forming the electrolyte containing tank.

4. The refrigerator according to claim 1, characterized in that: A liquid level sensor is arranged in the water storage box, which is used to send out a sensing signal when the liquid in the water storage box is less than a predetermined amount.

5. The refrigerator according to claim 1, characterized in that: The water storage box is provided with a docking nozzle which can be sealed and docked with the water filling pipe, so as to realize the communication between the water storage box and the water filling pipe.

6. The refrigerator according to claim 1, characterized in that: Also includes control buttons; The control button is arranged at the front end of the oxygen control and fresh-keeping bin and is used to control the oxygen control module.

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