Refrigerator drainage pipeline system and refrigerator

Abstract

The invention provides a refrigerator drainage pipeline system and a refrigerator. The refrigerator drainage pipeline system comprises a defrosting water pipe and a drainage pipe. A defrosting water inlet is formed in the top of the defrosting water pipe, and a defrosting water outlet is formed in the bottom of the defrosting water pipe; a drainage water inlet is formed in the top of the drainage pipe, and the defrosting drainage port is communicated with the drainage water inlet; a drainage water outlet is formed in the bottom of the drainage pipe; when the drainage water outlet is in a closed state, the drainage water outlet is of a corrugated structure with a pipeline narrowed gradually. A defrosting air inlet is formed in the side, close to the water drainage pipe, of the defrosting water pipe, an air inlet valve is arranged on the side, close to the defrosting air inlet, of the water drainage pipe, and the defrosting air inlet is covered with the air inlet valve. By arranging the defrosting air inlet, the air inlet valve and the corrugated structure, external humid and hot air is effectively prevented from entering the chamber or the evaporator chamber through the drainage pipe, and the problem that energy consumption of the refrigerator is increased due to the refrigerator drainage pipe is solved.

Description

Technical Field

[0001] The present application relates to the technical field of refrigerators, and in particular to a refrigerator drainage pipeline system and a refrigerator. Background Art

[0002] A refrigerator is a refrigeration device that maintains a constant low temperature. It is a common appliance used to preserve food or other items at low temperatures. An air-cooled refrigerator is a type of refrigerator. Its working principle is to evenly distribute cold air inside the refrigerator through a built-in fan, thereby achieving an overall cooling effect.

[0003] Air-cooled refrigerators often have an automatic defrost function. The defrost heater heats the evaporator to defrost, and the defrosted water is discharged into the water tray through the drain pipe. In this structure, the drain pipe is directly connected to the hot and humid air near the water tray. When the refrigerator is not defrosting, the hot and humid air near the drain pipe will enter the evaporator room through the drain pipe and exchange heat with the cold air in the evaporator room, increasing the energy consumption of the refrigerator. In addition, the hot and humid air near the drain pipe directly enters the evaporator room and encounters the cold evaporator, which is very likely to frost and ice on its surface, increasing the risk of refrigerator defrosting reliability and further increasing the energy consumption of the refrigerator during defrosting.

[0004] In order to eliminate the impact of the drain pipe on energy consumption, the relevant technology sets a water seal structure at the drain outlet. However, when the user opens the door and closes it again, the hot and humid air from the outside enters the refrigerator and the air inside cools down rapidly, causing the negative pressure inside and outside to increase instantly, making it very difficult to open the door again. In addition, if there is water in the water seal structure, it is easy to produce abnormal noise when opening the door, affecting the user experience. Summary of the invention

[0005] The present application provides a refrigerator drainage pipeline system and a refrigerator to solve the problem that the refrigerator drainage pipeline increases the energy consumption of the refrigerator.

[0006] The first aspect of the present application provides a refrigerator drainage pipe system, comprising: a defrost water pipe and a drain pipe; a defrost water inlet is provided at the top of the defrost water pipe, and a defrost drain outlet is provided at the bottom of the defrost water pipe; a drain water inlet is provided at the top of the drain pipe, and the defrost drain outlet is communicated with the drain water inlet; a drain outlet is provided at the bottom of the drain pipe; when the drain water outlet is in a closed state, the drain water outlet is a corrugated structure in which the pipe gradually narrows; a defrost air inlet is provided on a side of the defrost water pipe close to the drain pipe, and an air intake valve is provided on a side of the drain pipe close to the defrost air inlet, and the air intake valve covers the defrost air inlet.

[0007] The refrigerator drainage pipeline system separates the drainage and ventilation functions by arranging the drainage outlet and the defrost air inlet. After the refrigerator door is opened and closed, opening the door again can quickly balance the air pressure inside and outside the refrigerator, thereby reducing the force used to open the door; the air inlet valve can rely on its own gravity and elastic force to open and close the defrost air inlet; the drainage outlet adopts a corrugated structure and can rely on its own elasticity to open and close the drainage outlet, thereby preventing hot air from entering the interior of the refrigerator during normal refrigeration and increasing energy consumption, thereby solving the problem of the refrigerator drainage pipeline increasing the refrigerator energy consumption.

[0008] Optionally, the defrost water pipe is a hard pipe, the drain pipe is an elastic hose, and the top of the drain pipe is sleeved on the bottom of the defrost water pipe.

[0009] The defrost water pipe adopts a hard pipe design to ensure its structure is strong and durable. The drain pipe adopts an elastic hose, which is easy to install and adapt to different environments, while reducing vibration and noise and easy to open and close. The top of the drain pipe is sleeved on the bottom of the defrost water pipe, which not only allows the defrost water to flow smoothly into the drain pipe to avoid water accumulation, but also improves the durability and reliability of the entire drainage pipeline system.

[0010] Optionally, the pipe body of the drain pipe and the corrugated structure are an integrally formed structure, and a pipe gap of the corrugated structure is less than 1 mm.

[0011] The pipe body of the drainage pipe and the corrugated structure are an integrated structure, which can not only reduce the risk of leakage at the pipe connection point and improve the reliability and durability of the overall system, but also facilitate maintenance and cleaning, reduce the adhesion of dirt and impurities, and extend the service life of the pipe. The pipe gap of the corrugated structure is less than 1 mm. This tiny gap has a certain sealing performance and can prevent the penetration of external air or moisture.

[0012] Optionally, the corrugated structure also includes a first bend portion and a second bend portion; the first end of the first bend portion is located at the bottom center axis of the drain pipe, the second end of the first bend portion is inclined to the side of the outer surface of the drain pipe, the first end of the second bend portion is connected to the second end of the first bend portion, the second end of the second bend portion is inclined to the bottom center axis of the drain pipe, and the second end of the second bend portion is parallel to the second end of the first bend portion.

[0013] The first end of the first bent portion is located at the bottom center axis of the drain pipe, and the second end of the second bent portion is inclined to the bottom center axis of the drain pipe, so that when the corrugated structure needs to drain water, the impact forces received by the first end of the first bent portion and the second end of the second bent portion will be more balanced; the second end of the first bent portion is inclined to one side of the outer surface of the drain pipe, which can prevent gas from entering while reducing the occupied space size; the second end of the second bent portion is parallel to the second end of the first bent portion, so that the impact force when the water flow is discharged can open the corrugated structure.

[0014] Optionally, the air intake valve is opened on the pipe wall of the drain pipe, and the air intake valve is cut along a preset cutting track on the drain pipe; the cutting gap between the air intake valve and the drain pipe is less than 1 mm, and the outer side of the air intake valve is in contact with the refrigerator door.

[0015] The air inlet valve is directly opened on the wall of the drain pipe and is cut along a preset cutting track. This design makes the air inlet valve and the drain pipe an integral whole, without the need for additional installation space and complex connection structure, which not only saves space and improves the integration of the system, but also reduces energy consumption. The cutting gap between the air inlet valve and the drain pipe is less than 1 mm. This tiny gap has a certain sealing performance and can prevent the penetration of outside air or moisture, especially when the refrigerator door is opened for a long time. The air inlet valve is automatically opened due to the outside air pressure at the moment the refrigerator door is opened, so that the refrigerator door can be easily opened, solving the problem that the hot and humid air from the outside enters the refrigerator and the air in the refrigerator cools down rapidly, causing the instantaneous negative pressure inside and outside to increase, resulting in difficulty in opening the door.

[0016] Optionally, a guide plate is provided on the inner side of the defrost water pipe near the defrost air inlet; the guide plate includes a first guide part and a second guide part; the first end of the first guide part is arranged above the defrost air inlet, and is fixedly connected to the inner tube wall of the defrost water pipe; the second end of the first guide part is inclined to the side away from the defrost air inlet; the second guide part is vertically arranged inside the defrost water pipe, the first end of the second guide part is connected to the second end of the first guide part, and the second end of the second guide part is located below the defrost air inlet.

[0017] The guide plate not only helps to guide the water flow to flow smoothly to the drainage outlet, reducing the water flow resistance and thus improving the drainage efficiency; it can also effectively prevent the backflow of odor and bacteria and keep the interior of the refrigerator clean and hygienic.

[0018] Optionally, the cross-section of the defrost water inlet is a fan-shaped structure, the top of the defrost water inlet is arc-shaped, and an arc-shaped groove is provided inside the water receiving tray of the refrigerator. The top of the defrost water inlet is clamped inside the arc-shaped groove to discharge the defrost water inside the water receiving tray into the defrost water pipe.

[0019] The defrost water inlet adopts a fan-shaped structure design, so that the water flow can flow into the defrost water pipe more smoothly, reducing the water flow resistance, thereby improving the drainage efficiency and reducing the internal moisture and odor problems caused by poor drainage. The close connection between the defrost water inlet and the water receiving tray can effectively prevent external air from entering the refrigerator through the defrost water pipe, avoid the backflow of odor and bacteria, and keep the interior of the refrigerator clean and hygienic. In addition, the defrost water inlet has a simple structure and is easy to disassemble. Users can easily perform daily maintenance and cleaning work, extend the service life of the refrigerator, help maintain the sanitary environment inside the refrigerator, and reduce the possibility of malfunctions.

[0020] Optionally, the refrigerator drainage pipe system also includes a drainage branch pipe; a branch pipe connection port is opened on the side wall of the drainage pipe, and the drainage branch pipe is connected to the drainage pipe through the branch pipe connection port; the drainage branch pipe is used to drain the condensed water generated inside the refrigerator into the drainage pipe.

[0021] The drainage branch pipe provides an additional discharge path for the condensed water generated inside the refrigerator by connecting with the drainage pipe, which helps to speed up the discharge of the condensed water, especially when a large amount of condensed water is generated inside the refrigerator, such as in summer or in a high humidity environment, which can effectively avoid the problem of water accumulation. The design of the drainage branch pipe also makes the refrigerator drainage pipeline system more compact and flexible, ensuring that the condensed water can be discharged smoothly, and improving the overall reliability and stability of the refrigerator drainage pipeline system.

[0022] Optionally, a connecting clamp is provided on the top of the drain pipe, and the connecting clamp clamps the defrost water pipe and the drain pipe, and the connecting clamp is used to fix the defrost water pipe and the drain pipe.

[0023] The design of the connecting clamp makes the connection between the defrost water pipe and the drain pipe tighter and more stable, which not only reduces the resistance of water flow at the connection to improve drainage efficiency, but also reduces the occurrence of loose connection between the defrost water pipe and the drain pipe due to water flow impact.

[0024] A second aspect of the present application provides a refrigerator, comprising the refrigerator drainage pipeline system described in the first aspect.

[0025] Since the refrigerator has all the beneficial effects of the refrigerator drainage pipe system described in any one of the first aspects above, they will not be described in detail here.

[0026] It can be seen from the above technical scheme that the present application provides a refrigerator drainage pipeline system and a refrigerator, wherein the refrigerator drainage pipeline system includes a defrost water pipe and a drain pipe; a defrost water inlet is provided at the top of the defrost water pipe, and a defrost drain is provided at the bottom of the defrost water pipe; a drain inlet is provided at the top of the drain pipe, and the defrost drain is connected to the drain inlet; a drain outlet is provided at the bottom of the drain pipe; when the drain outlet is in a closed state, the drain outlet is a corrugated structure in which the pipe gradually narrows; a defrost air inlet is provided on one side of the defrost water pipe close to the drain pipe, and an air intake valve is provided on one side of the drain pipe close to the defrost air inlet, and the air intake valve covers the defrost air inlet. By arranging the defrost air inlet, the air intake valve and the corrugated structure on the refrigerator drainage pipeline system, the external hot and humid air is effectively blocked from entering the compartment or the evaporator room through the drain pipe, the reliability of the drain pipe is improved, the energy consumption of the refrigerator operation is reduced, and the problem of the refrigerator drainage pipeline increasing the refrigerator energy consumption is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solution of the present application, the drawings required for use in the embodiments are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0028] Figure 1 This is a schematic diagram of the three-dimensional structure of the refrigerator drainage pipeline system according to an embodiment of the present application;

[0029] Figure 2 It is a front structural schematic diagram of a refrigerator drainage pipeline system according to an embodiment of the present application, in which the drainage air inlet and the drainage air inlet are both in a closed state;

[0030] Figure 3 It is a schematic diagram of the cross-sectional structure at AA in the refrigerator drainage pipeline system according to the embodiment of the present application, in which the drainage air inlet and the drainage air inlet are both in a closed state;

[0031] Figure 4 This is a front structural schematic diagram of a refrigerator drainage pipeline system according to an embodiment of the present application, in which the drainage air inlet is in an open state;

[0032] Figure 5 This is a schematic cross-sectional structural diagram of the refrigerator drainage pipeline system according to an embodiment of the present application, in which the drainage air inlet is in an open state;

[0033] Figure 6 This is a front structural schematic diagram of a refrigerator drainage pipeline system according to an embodiment of the present application, in which the drainage outlet is in an open state;

[0034] Figure 7This is a schematic diagram of the cross-sectional structure at CC in the refrigerator drainage pipeline system described in an embodiment of the present application, when the drainage outlet is in an open state.

[0035] Illustration Description:

[0036] Among them, 1-defrost water pipe; 11-defrost water inlet; 12-defrost drain outlet; 13-guide plate; 14-defrost air inlet; 2-drain pipe; 21-air inlet valve; 22-drain pipe air inlet; 23-corrugated structure. DETAILED DESCRIPTION

[0037] The embodiments will be described in detail below, and examples thereof are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementation methods described in the following embodiments do not represent all implementation methods consistent with the present application. They are only examples of systems and methods consistent with some aspects of the present application.

[0038] A refrigerator is a refrigeration device that maintains a constant low temperature. It is a common appliance used to preserve food or other items at low temperatures. An air-cooled refrigerator is a type of refrigerator. Its working principle is to evenly distribute cold air inside the refrigerator through a built-in fan, thereby achieving an overall cooling effect.

[0039] Air-cooled refrigerators often have an automatic defrost function. The defrost heater heats the evaporator to defrost, and the defrosted water is discharged into the water tray through the drain pipe. In this structure, the drain pipe is directly connected to the hot and humid air near the water tray. When the refrigerator is not defrosting, the hot and humid air near the drain pipe will enter the evaporator room through the drain pipe and exchange heat with the cold air in the evaporator room, increasing the energy consumption of the refrigerator. In addition, the hot and humid air near the drain pipe directly enters the evaporator room and encounters the cold evaporator, which is very likely to frost and ice on its surface, increasing the risk of refrigerator defrosting reliability and further increasing the energy consumption of the refrigerator during defrosting.

[0040] In order to eliminate the impact of the drain pipe on energy consumption, a water seal structure is set at the drain port in the relevant embodiments. However, when the user opens the door and closes it again, the hot and humid air from the outside enters the refrigerator and the air inside the refrigerator cools down rapidly, causing the negative pressure inside and outside to increase instantly, making it very difficult to open the door again. In addition, if there is water in the water seal structure, it is easy to produce abnormal noise when opening the door, affecting the user experience.

[0041] To solve the problem of refrigerator drainage pipes increasing refrigerator energy consumption, see Figure 1-Figure 3Some embodiments of the present application provide a refrigerator drainage pipeline system, including: a defrost water pipe 1 and a drain pipe 2; a defrost water inlet 11 is provided at the top of the defrost water pipe 1, and a defrost drain outlet 12 is provided at the bottom of the defrost water pipe 1; a drain water inlet is provided at the top of the drain pipe 2, and the defrost drain outlet 12 is communicated with the drain water inlet; a drain water outlet is provided at the bottom of the drain pipe 2; when the drain water outlet is in a closed state, the drain water outlet is a corrugated structure 23 in which the pipe gradually narrows; a defrost air inlet 14 is provided on the side of the defrost water pipe 1 close to the drain pipe 2, and an air intake valve 21 is provided on the side of the drain pipe 2 close to the defrost air inlet 14, and the air intake valve 21 covers the defrost air inlet 14.

[0042] It should be understood that the body of the defrost water pipe 1 can be a cylindrical structure, and the body of the drain pipe 2 can also be a cylindrical structure. When no water is discharged from the corrugated structure 23, the corrugated structure 23 is in a closed state; when water is discharged from the corrugated structure 23, the corrugated structure 23 is in an open state, and when the water in the corrugated structure 23 is discharged, the corrugated structure 23 is reset.

[0043] The refrigerator drainage pipe system separates the drainage and ventilation functions by setting the drainage outlet and the defrost air inlet 14. After the refrigerator door is opened and closed, opening the door again can quickly balance the air pressure inside and outside the refrigerator, reducing the force used to open the door; the refrigerator drainage pipe system is composed of only two accessories, the defrost water pipe 1 and the drainage pipe 2, which is not only simple in structure but also can reduce costs. The air inlet valve 21 can open and close the defrost air inlet 14 by its own gravity and elastic force; the drainage outlet adopts a corrugated structure 23, which can be opened and closed by its own elasticity, preventing hot air from entering the refrigerator when the refrigerator is normally refrigerated and increasing energy consumption, so as to solve the problem of increasing refrigerator energy consumption by the refrigerator drainage pipe.

[0044] In some embodiments, the defrost water pipe 1 is a hard pipe, the drain pipe 2 is an elastic hose, and the top of the drain pipe 2 is sleeved on the bottom of the defrost water pipe 1 .

[0045] It should be understood that the hard pipe can be made of high-strength hard plastic, such as polyurethane (PU), polystyrene (PS), and polypropylene (PP). Such high-strength hard plastic can withstand the high temperature and high pressure during the defrosting process, ensuring that the defrosting water pipe 1 is not easily deformed or damaged during long-term use. The elastic hose can be made of rubber or silicone, such as highly elastic silicone material, which has good elasticity and flexibility, can not only reduce the noise during the drainage process, but also has high sealing performance, and is easy to open and close.

[0046] The defrost water pipe 1 adopts a hard pipe design to ensure that its structure is sturdy and durable. The drain pipe 2 adopts an elastic hose, which is easy to install and adapt to different environments, while reducing vibration and noise and facilitating opening and closing. The top of the drain pipe 2 is sleeved on the bottom of the defrost water pipe 1, which not only allows the defrost water to flow smoothly into the drain pipe 2 to avoid water accumulation, but also improves the durability and reliability of the entire drainage pipeline system.

[0047] In some embodiments, the pipe body of the drainage pipe 2 and the corrugated structure 23 are an integrally formed structure, and the pipe gap of the corrugated structure 23 is less than 1 mm.

[0048] It should be understood that see Figure 6-Figure 7 The inner sides of the pipes on both sides of the corrugated structure 23 are folded during the narrowing process. When a large amount of water needs to be discharged from the drain pipe 2, the corrugated structure 23 will open due to the impact force of the water flow, and the maximum opening size is the same as the size of the drain pipe 2, that is, the inner circumference and outer circumference of the corrugated structure 23 pipe are equal to the unnarrowed part of the drain pipe 2.

[0049] The pipe body of the drain pipe 2 and the corrugated structure 23 are an integrally formed structure, which can not only reduce the risk of leakage at the pipe connection point and improve the reliability and durability of the overall system; it is also easy to maintain and clean, reduce the adhesion of dirt and impurities, and extend the service life of the pipe. The pipe gap of the corrugated structure 23 is less than 1 mm. This tiny gap has a certain sealing performance and can prevent the penetration of external air or moisture. When there is water flow in the drain pipe 2 that needs to be discharged, the corrugated structure 23 will automatically open due to the impact force of the water flow. This automatic adjustment function can ensure the efficient operation of the refrigerator drainage pipeline system at different flow rates without manual intervention, saving energy.

[0050] In some embodiments, the corrugated structure 23 also includes a first bend portion and a second bend portion; the first end of the first bend portion is located at the bottom center axis of the drain pipe 2, the second end of the first bend portion is inclined to the side of the outer surface of the drain pipe 2, the first end of the second bend portion is connected to the second end of the first bend portion, the second end of the second bend portion is inclined to the bottom center axis of the drain pipe 2, and the second end of the second bend portion is parallel to the second end of the first bend portion.

[0051] The first end of the first bent portion is located at the bottom center axis of the drain pipe 2, and the second end of the second bent portion is inclined to the bottom center axis of the drain pipe 2, so that when the corrugated structure 23 needs to drain water, the impact forces received by the first end of the first bent portion and the second end of the second bent portion will be more balanced; the second end of the first bent portion is inclined to one side of the outer surface of the drain pipe 2, which can prevent gas from entering while reducing the occupied space size; the second end of the second bent portion is parallel to the second end of the first bent portion, so that the impact force when the water flow is discharged can open the corrugated structure 23.

[0052] In some embodiments, the air intake valve 21 is opened on the wall of the drain pipe 2, and the air intake valve 21 is cut along a preset cutting track on the drain pipe 2; the cutting gap between the air intake valve 21 and the drain pipe 2 is less than 1 mm, and the outer side of the air intake valve 21 is in contact with the refrigerator door.

[0053] It should be understood that the preset cutting track can be determined according to the shape of the defrost air inlet 14, has strong adaptability, and can meet the needs of refrigerators of different models and specifications. For example, when the defrost air inlet 14 is circular, the preset cutting track is an arc track, and the arc track corresponds to the edge of the defrost air inlet 14.

[0054] When the refrigerator door is not opened or is opened for a long time, the air inlet valve 21 is in a closed state; when the refrigerator door is opened at the moment, the air inlet valve 21 will deform inwardly under the pressure of the external air pressure and then open the defrost air inlet 14, so that the external air enters the interior of the refrigerator, so as to easily open the refrigerator door. After the external air pressure disappears, the air inlet valve 21 will be reset to a closed state by gravity and elastic force.

[0055] The air inlet valve 21 is directly opened on the wall of the drain pipe 2 and is cut along a preset cutting track. This design makes the air inlet valve 21 and the drain pipe 2 become a whole, without the need for additional installation space and complex connection structure, which not only saves space and improves the integration of the system, but also reduces energy consumption. The cutting gap between the air inlet valve 21 and the drain pipe 2 is less than 1 mm. This tiny gap has a certain sealing performance and can prevent the penetration of outside air or moisture, especially when the refrigerator door is opened for a long time. The air inlet valve 21 is automatically opened due to the outside air pressure when the refrigerator door is opened, so that the refrigerator door can be easily opened, solving the problem that the hot and humid air from the outside enters the refrigerator and the air in the refrigerator cools down rapidly, causing the instantaneous negative pressure inside and outside to increase, resulting in difficulty in opening the door.

[0056] See also Figure 4-Figure 5The opening cut out along the preset cutting track on the drain pipe 2 is the drain pipe air inlet 22, and the size of the drain pipe air inlet 22 is the same as the size of the defrost air inlet 14. When the refrigerator door is opened, the air inlet valve 21 will bend inward toward the defrost air inlet 14 under the pressure of the external air pressure, exposing the drain pipe air inlet 22, only to allow the external gas to enter the defrost water pipe 1 through the drain pipe air inlet 22 and the defrost air inlet 14 in sequence.

[0057] In some embodiments, the length of the arc-shaped trajectory is greater than 1 / 2 of the edge length of the defrost air inlet 14 and less than 4 / 5 of the edge length of the defrost air inlet 14, so that the air inlet valve 21 can be deformed to open the defrost air inlet 14 under a larger suction force, and the connection of the air inlet valve 21 will not be damaged due to the larger suction force.

[0058] In some embodiments, a guide plate 13 is provided on the inner side of the defrost water pipe 1 near the defrost air inlet 14; the guide plate 13 includes a first guide portion and a second guide portion; the first end of the first guide portion is arranged above the defrost air inlet 14, and is fixedly connected to the inner tube wall of the defrost water pipe 1; the second end of the first guide portion is inclined toward a side away from the defrost air inlet 14; the second guide portion is vertically arranged inside the defrost water pipe 1, the first end of the second guide portion is connected to the second end of the first guide portion, and the second end of the second guide portion is located below the defrost air inlet 14.

[0059] It should be understood that the surfaces of the first guide portion and the second guide portion are smooth structures, and the first guide portion is inclined downward at an angle greater than or equal to 45 degrees.

[0060] The guide plate 13 not only helps to guide the water flow to flow smoothly to the drainage outlet, reducing the water flow resistance, thereby improving the drainage efficiency; it can also effectively prevent the backflow of odor and bacteria, and keep the interior of the refrigerator clean and hygienic.

[0061] In some embodiments, the cross-section of the defrost water inlet 11 is a fan-shaped structure, the top of the defrost water inlet 11 is arc-shaped, and an arc-shaped groove is provided inside the water receiving tray of the refrigerator. The top of the defrost water inlet 11 is clamped inside the arc-shaped groove to discharge the defrost water inside the water receiving tray into the defrost water pipe 1.

[0062] It should be understood that a water pipe opening is provided at the bottom of the arc-shaped groove to facilitate installation of the defrost water pipe 1 inside the water receiving tray.

[0063] The defrost water inlet 11 is designed with a fan-shaped structure, so that the water can flow into the defrost water pipe 1 more smoothly, reducing the water flow resistance, thereby improving the drainage efficiency and reducing the internal moisture and odor problems caused by poor drainage. The tight connection between the defrost water inlet 11 and the water receiving tray can effectively prevent external air from entering the refrigerator through the defrost water pipe 1, avoid the backflow of odor and bacteria, and keep the interior of the refrigerator clean and hygienic. In addition, the defrost water inlet 11 has a simple structure and is easy to disassemble. Users can easily perform daily maintenance and cleaning work, extend the service life of the refrigerator, help maintain the sanitary environment inside the refrigerator, and reduce the possibility of malfunctions.

[0064] In some embodiments, the refrigerator drainage pipe system also includes a drainage branch pipe; a branch pipe connection port is opened on the side wall of the drain pipe 2, and the drainage branch pipe is connected to the drain pipe 2 through the branch pipe connection port; the drainage branch pipe is used to drain the condensed water generated inside the refrigerator into the drain pipe 2.

[0065] It should be understood that one end of the drainage branch pipe is connected to the drainage holes on the inner wall of each compartment of the refrigerator to collect condensed water generated inside the refrigerator, and the other end of the drainage branch pipe is connected to the drainage pipe 2 through the branch pipe connection port to discharge the condensed water through the drainage pipe 2. In some embodiments, the drainage branch pipe can be customized and installed according to the specific layout inside the refrigerator, which not only saves space but also improves the overall aesthetics and practicality of the refrigerator.

[0066] The drainage branch pipe is connected to the drainage pipe 2 to provide an additional discharge path for the condensed water generated inside the refrigerator, which helps to speed up the discharge of the condensed water, especially when a large amount of condensed water is generated inside the refrigerator, such as in summer or in a high humidity environment, which can effectively avoid the problem of water accumulation. The design of the drainage branch pipe also makes the refrigerator drainage pipeline system more compact and flexible, ensuring that the condensed water can be discharged smoothly, and improving the overall reliability and stability of the refrigerator drainage pipeline system.

[0067] In some embodiments, a connecting clamp is provided on the top of the drain pipe 2 , and the connecting clamp clamps the defrost water pipe 1 and the drain pipe 2 , and the connecting clamp is used to fix the defrost water pipe 1 and the drain pipe 2 .

[0068] It should be understood that an annular flange is provided on the defrost water pipe 1, the connecting clamp is sleeved at the connection between the defrost water pipe 1 and the drain pipe 2, and the flange on the inner side of the connecting clamp is clamped and fastened with the annular flange.

[0069] The design of the connecting clamp makes the connection between the defrost water pipe 1 and the drain pipe 2 tighter and more stable, which not only reduces the resistance of water flow at the connection to improve drainage efficiency, but also reduces the occurrence of loose connection between the defrost water pipe 1 and the drain pipe 2 due to water flow impact.

[0070] Some embodiments of the present application also provide a refrigerator, comprising the refrigerator drainage pipe system described in the above embodiments.

[0071] Since the refrigerator has all the beneficial effects of the refrigerator drainage pipe system described in the above embodiments, they are not described in detail here.

[0072] It can be seen from the above technical scheme that the embodiment of the present application provides a refrigerator drainage pipe system and a refrigerator, wherein the refrigerator drainage pipe system includes a defrost water pipe 1 and a drain pipe 2; a defrost water inlet 11 is provided at the top of the defrost water pipe 1, and a defrost drain outlet 12 is provided at the bottom of the defrost water pipe 1; a drain water inlet is provided at the top of the drain pipe 2, and the defrost drain outlet 12 is communicated with the drain water inlet; a drain outlet is provided at the bottom of the drain pipe 2; when the drain water outlet is in a closed state, the drain water outlet is a corrugated structure 23 in which the pipe gradually narrows; a defrost air inlet 14 is provided at a side of the defrost water pipe 1 close to the drain pipe 2, and an air intake valve 21 is provided at a side of the drain pipe 2 close to the defrost air inlet 14, and the air intake valve 21 covers the defrost air inlet 14. By arranging the defrost air inlet 14, the air inlet valve 21 and the corrugated structure 23 on the refrigerator drainage pipeline system, the external hot and humid air is effectively blocked from entering the compartment or the evaporator room through the drainage pipe 2, thereby improving the reliability of the drainage pipe and reducing the energy consumption of the refrigerator operation, thereby solving the problem of the refrigerator drainage pipeline increasing the refrigerator energy consumption.

[0073] It should be noted that, in this application, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0074] In the present application, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation", "screw-on" and the like 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; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in this application according to the specific circumstances.

[0075] Similar parts between the embodiments provided in this application can be referenced to each other. The specific implementation methods provided above are only a few examples under the general concept of this application and do not constitute a limitation on the protection scope of this application. For those skilled in the art, any other implementation methods expanded based on the scheme of this application without creative work belong to the protection scope of this application.

Claims

1. A refrigerator drainage pipeline system, characterized in that: include: Defrosting water pipe (1) and drain pipe (2); The top of the defrost water pipe (1) is provided with a defrost water inlet (11), and the bottom of the defrost water pipe (1) is provided with a defrost water outlet (12); the top of the drain pipe (2) is provided with a water drainage inlet, and the defrost water outlet (12) is connected to the water drainage inlet; The bottom of the drainage pipe (2) is provided with a drainage outlet; when the drainage outlet is in a closed state, the drainage outlet is a corrugated structure (23) in which the pipe gradually narrows; A defrost air inlet (14) is provided on a side of the defrost water pipe (1) close to the drain pipe (2), and an air inlet valve (21) is provided on a side of the drain pipe (2) close to the defrost air inlet (14), wherein the air inlet valve (21) covers the defrost air inlet (14).

2. The refrigerator drainage pipeline system according to claim 1, characterized in that: The defrost water pipe (1) is a hard pipe, the drain pipe (2) is an elastic hose, and the top of the drain pipe (2) is sleeved on the bottom of the defrost water pipe (1).

3. The refrigerator drainage pipeline system according to claim 2, characterized in that: The pipe body of the drainage pipe (2) and the corrugated structure (23) are an integrally formed structure, and the pipe gap of the corrugated structure (23) is less than 1 millimeter.

4. The refrigerator drainage pipeline system according to claim 3, characterized in that: The corrugated structure (23) further comprises a first bending portion and a second bending portion; The first end of the first bent portion is located at the bottom center axis of the drain pipe (2), the second end of the first bent portion is inclined to one side of the outer surface of the drain pipe (2), the first end of the second bent portion is connected to the second end of the first bent portion, the second end of the second bent portion is inclined to the bottom center axis of the drain pipe (2), and the second end of the second bent portion is parallel to the second end of the first bent portion.

5. The refrigerator drainage pipeline system according to claim 2, characterized in that: The air intake valve (21) is provided on the wall of the drain pipe (2), and the air intake valve (21) is cut along a preset cutting track on the drain pipe (2); a cutting gap between the air intake valve (21) and the drain pipe (2) is less than 1 mm, and the outer side of the air intake valve (21) is in contact with the refrigerator door.

6. The refrigerator drainage pipeline system according to claim 1, characterized in that: A guide plate (13) is provided on the inner side of the defrost water pipe (1) close to the defrost air inlet (14); The guide plate (13) comprises a first guide portion and a second guide portion; the first end of the first guide portion is arranged above the defrost air inlet (14) and is fixedly connected to the inner tube wall of the defrost water pipe (1); the second end of the first guide portion is inclined toward a side away from the defrost air inlet (14); the second guide portion is vertically arranged inside the defrost water pipe (1), the first end of the second guide portion is connected to the second end of the first guide portion, and the second end of the second guide portion is located below the defrost air inlet (14).

7. The refrigerator drainage pipeline system according to claim 1, characterized in that: The cross section of the defrost water inlet (11) is a fan-shaped structure, the top of the defrost water inlet (11) is arc-shaped, and an arc-shaped groove is provided inside the water receiving tray of the refrigerator. The top of the defrost water inlet (11) is clamped inside the arc-shaped groove to discharge the defrost water inside the water receiving tray into the defrost water pipe (1).

8. The refrigerator drainage pipeline system according to claim 1, characterized in that: It also includes a drainage branch pipe; a branch pipe connection port is provided on the side wall of the drainage pipe (2), and the drainage branch pipe is connected to the drainage pipe (2) through the branch pipe connection port; the drainage branch pipe is used to discharge condensed water generated inside the refrigerator into the drainage pipe (2).

9. The refrigerator drainage pipeline system according to claim 1, characterized in that: A connecting clamp is provided at the top of the drain pipe (2), the connecting clamp clamping the defrost water pipe (1) and the drain pipe (2), and the connecting clamp is used to fix the defrost water pipe (1) and the drain pipe (2).

10. A refrigerator, characterized in that: A refrigerator drainage pipeline system comprising any one of claims 1-9.

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