Refrigeration appliance

Abstract

This application provides a refrigeration device. The refrigeration device satisfies one of the following: the refrigeration device includes a storage fan disposed inside the inner liner, the storage fan being used to promote gas flow inside the storage chamber; the refrigeration device includes an ice chamber fan disposed inside the ice chamber, the ice chamber fan being used to promote gas flow inside the ice chamber; a first opening of the storage drain pipe located inside the inner liner is located on the outlet side of the storage fan, and a third opening of the ice chamber drain pipe located inside the ice chamber is located on the suction side of the ice chamber fan; the refrigeration device includes a mechanical chamber and a mechanical chamber fan disposed inside the mechanical chamber, the mechanical chamber being connected to the atmosphere; a second opening of the storage drain pipe located outside the inner liner and a fourth opening of the ice chamber drain pipe located outside the inner liner are both disposed inside the mechanical chamber, the second opening being located on the suction side of the mechanical chamber fan, and the fourth opening being located on the outlet side of the mechanical chamber fan. This arrangement enables a slight positive pressure in the ice chamber relative to the storage chamber, ensuring the cleanliness of the ice-making chamber.

Description

Technical Field

[0001] This application relates to the field of home appliances, and more particularly to a refrigeration device. Background Technology

[0002] As users' demands for ice quality increase, more and more refrigerators are equipped with ice-making functions. To avoid odor transfer when ice and food share the same storage space, current technology typically designs the ice-making compartment as a separate room with its own refrigeration system to improve the cleanliness of ice making. However, in practical applications, existing designs have the following drawbacks: due to potential gaps in the walls of the ice-making compartment, gases from outside the ice-making compartment may enter, contaminating the ice-making environment and affecting the quality and hygiene of the ice. Utility Model Content

[0003] The purpose of this application is to provide a refrigeration device that, by coordinating the storage drain pipe, the ice-making drain pipe with the storage fan and the ice chamber fan or the mechanical chamber fan, can achieve a slight positive pressure in the ice chamber relative to the storage chamber, thereby ensuring the cleanliness of the ice-making chamber.

[0004] To achieve the above-mentioned objectives, one embodiment of this application provides a refrigeration device, the refrigeration device comprising:

[0005] The inner liner forms a storage compartment inside;

[0006] An ice room, which is located in the storage room, is used to install an ice maker and / or ice storage boxes;

[0007] A storage drain pipe includes a first opening and a second opening, the first opening being located inside the inner liner and the second opening being located outside the inner liner and communicating with the atmosphere.

[0008] An ice chamber drain pipe includes a third opening and a fourth opening, wherein the third opening is located inside the ice chamber and the fourth opening is located outside the inner liner and is connected to the atmosphere;

[0009] The refrigeration equipment satisfies one of the following:

[0010] The refrigeration equipment includes a storage fan disposed inside the inner liner, the storage fan being used to promote the flow of gas inside the storage chamber, and an ice chamber fan disposed inside the ice chamber, the ice chamber fan being used to promote the flow of gas inside the ice chamber, the first opening being located on the air outlet side of the storage fan, and the third opening being located on the air intake side of the ice chamber fan.

[0011] The refrigeration equipment includes a mechanical chamber and a mechanical chamber fan disposed in the mechanical chamber. The mechanical chamber is connected to the atmosphere. The second opening and the fourth opening are both disposed in the mechanical chamber. The second opening is located on the air intake side of the mechanical chamber fan, and the fourth opening is located on the air outlet side of the mechanical chamber fan.

[0012] As one embodiment of this application, the refrigeration device includes:

[0013] An air duct cover is disposed inside the inner liner, and the air duct cover and the inner liner wall enclose a storage evaporation chamber, and the storage fan is disposed inside the storage evaporation chamber;

[0014] A storage air inlet is provided on the air duct cover plate. The storage air inlet is located on the air outlet side of the storage fan. The gas blown out by the storage fan enters the storage room through the storage air inlet.

[0015] A storage return air inlet is provided on the duct cover plate. The storage return air inlet is located on the suction side of the storage fan. The gas in the storage chamber enters the storage evaporation chamber through the storage return air inlet.

[0016] The storage fan includes a storage fan outlet and a storage fan inlet. The first opening is located on the gas flow path from the storage fan outlet to the storage inlet, or the first opening is located in the storage room near the storage inlet.

[0017] As one embodiment of this application, the refrigeration device includes:

[0018] A shell is disposed inside the ice chamber, and the interior of the shell forms an ice chamber evaporation chamber, and the ice chamber fan is disposed inside the ice chamber evaporation chamber;

[0019] An air inlet for the ice chamber is provided in the housing and is located on the air outlet side of the ice chamber fan.

[0020] An ice chamber return air vent is provided in the housing, and the ice chamber return air vent is located on the air intake side of the ice chamber fan;

[0021] The ice chamber fan includes an ice chamber fan outlet and an ice chamber fan intake. The third opening is located in the gas flow path from the ice chamber return air inlet to the ice chamber fan intake, or the third opening is located outside the ice chamber evaporator near the ice chamber return air inlet.

[0022] In one embodiment of this application, the mechanical chamber is located below the inner liner, the refrigeration equipment includes a condenser disposed in the mechanical chamber, the mechanical chamber fan includes a mechanical chamber fan outlet and a mechanical chamber fan intake, the mechanical chamber fan outlet faces the condenser, the fourth opening is located between the mechanical chamber fan outlet and the condenser, the second opening is located on the side of the mechanical chamber fan intake, the fourth opening faces the mechanical chamber fan outlet, and the second opening faces the mechanical chamber fan intake.

[0023] In one embodiment of this application, the refrigeration equipment includes a storage evaporator disposed in the storage evaporation chamber, the storage evaporator being disposed between the storage fan intake and the storage return air inlet.

[0024] In one embodiment of this application, the storage compartment has an open opening at the front end, the air duct cover is located at the back of the storage compartment, the air outlet of the storage fan faces downward, the air inlet of the storage fan faces upward, the storage evaporator is located above the storage fan, the bottom of the air duct cover is provided with the storage air inlet, the top of the air duct cover is provided with the storage air return outlet, and the first opening is provided on the bottom wall of the inner liner.

[0025] In one embodiment of this application, the refrigeration equipment includes an ice-making evaporator disposed in the ice-making evaporator chamber, and the ice-making evaporator is disposed on the suction side of the ice chamber fan.

[0026] In one embodiment of this application, the ice chamber has an open opening at its front end, the housing is disposed at the top of the ice chamber, the ice maker is disposed at the top of the ice chamber, the ice maker is located on the left or right side of the housing, the air intake of the ice chamber fan faces forward, the air outlet of the ice maker faces the ice maker or faces backward / upward, the ice evaporator is disposed in front of the ice chamber fan, the ice chamber return air outlet is disposed on the front wall of the housing, and the ice chamber air outlet is disposed on the side wall of the ice maker of the housing.

[0027] In one embodiment of this application, the ratio of the opening area of ​​the storage return air vent to the opening area of ​​the storage air inlet is greater than 1.1.

[0028] In one embodiment of this application, the ratio of the opening area of ​​the ice chamber air inlet to the opening area of ​​the ice chamber air return outlet is greater than 1.1.

[0029] Compared with the prior art, this application has the advantage of coordinating the storage drain pipe, the ice-making drain pipe with the storage fan and the ice chamber fan or the mechanical chamber fan, which can achieve a slight positive pressure in the ice chamber relative to the storage chamber, thus ensuring the cleanliness of the ice-making chamber. Attached Figure Description

[0030] The specific embodiments of this application will be further described in detail below with reference to the accompanying drawings, wherein:

[0031] Figure 1 This is a schematic diagram of the structure of a refrigeration device according to one embodiment of this application;

[0032] Figure 2 yes Figure 1 A schematic diagram of the inner liner and related structures from the rear view.

[0033] Figure 3 yes Figure 1 A schematic diagram of the inner liner and related structures from a top view;

[0034] Figure 4 yes Figure 1 A partial structural diagram of the refrigeration equipment;

[0035] Figure 5 yes Figure 1 A schematic diagram of the inner liner and related structures after the outer shell has been removed;

[0036] Figure 6 yes Figure 1 A schematic diagram of the relevant structures after part of the inner liner's top wall has been removed;

[0037] Figure 7 yes Figure 1 A schematic diagram of the inner liner and related structures from the front view;

[0038] Figure 8 This is a schematic diagram of the structure of a refrigeration device according to another embodiment of this application.

[0039] The components include: 1. Inner liner; 11. Storage compartment; 12. Air duct cover; 13. Storage evaporation chamber; 14. Storage air inlet; 15. Storage air return vent; 16. Storage evaporator; 17. Partition plate; 2. Ice chamber; 21. Ice maker; 22. Shell; 23. Ice chamber evaporation chamber; 24. Ice chamber air inlet; 25. Ice chamber air return vent; 26. Ice evaporator; 3. Storage drain pipe; 31. First opening; 32. ... 4. Ice room drain pipe; 41. Third opening; 42. Fourth opening; 5. Storage fan; 51. Storage fan outlet; 52. Storage fan intake; 6. Ice room fan; 61. Ice room fan outlet; 62. Ice room fan intake; 7. Machinery room; 71. Condenser; 8. Machinery room fan; 81. Machinery room fan outlet; 82. Machinery room fan intake; 100. Refrigeration equipment. Detailed Implementation

[0040] The present patent will now be described in detail with reference to the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present patent, and any structural, methodological, or functional modifications made by those skilled in the art based on these embodiments are included within the scope of protection of this patent.

[0041] Reference Figure 1 This application provides a refrigeration device 100. The refrigeration device 100 includes an inner liner 1. A storage compartment 11 is formed inside the inner liner 1. The storage compartment 11 can be used to store food. The storage compartment 11 can be a freezer compartment. The storage compartment 11 can also be a refrigerator compartment, a variable temperature compartment, etc.

[0042] The refrigeration equipment 100 includes an ice chamber 2. The ice chamber 2 is located within the storage chamber 11. The ice chamber 2 can be used to install an ice maker 21. The ice chamber 2 can also be used to install ice storage boxes. The ice storage boxes can be retractably installed in the ice chamber 2.

[0043] The refrigeration equipment 100 may include a partition plate 17. The partition plate 17 may be disposed within the storage compartment 11. The partition plate 17 may be configured with the walls of the storage compartment 11 to form an ice chamber 2. For example, the partition plate 17 may be spaced apart from the top wall of the storage compartment 11, the rear end of the partition plate 17 may be connected to the rear wall of the storage compartment 11, and the left and right ends of the partition plate 17 may be connected to the left and right side walls of the storage compartment 11, thereby enclosing an ice chamber 2 located at the top of the storage compartment 11.

[0044] By establishing a relatively independent ice room 2 area within the storage room 11, the food storage area can be effectively physically and functionally isolated from the ice-making and / or ice-storage area. Setting up an independent ice room 2 also facilitates the refined arrangement of the ice room 2's airflow system. By configuring a separate cooling system such as a fan, rapid and uniform cooling can be achieved within the ice room 2, improving ice-making speed and energy efficiency.

[0045] Reference Figures 2 to 4 The refrigeration equipment 100 includes a storage drain pipe 3. The storage drain pipe 3 includes a first opening 31 and a second opening 32. The first opening 31 is located inside the inner liner 1. The second opening 32 is located outside the inner liner 1 and is open to the atmosphere. The storage drain pipe 3 serves to drain water from the storage compartment 11, preventing water accumulation. The water drained by the storage drain pipe 3 can be condensate from the storage compartment 11, or defrost water from the evaporator located inside the inner liner 1 and used to cool the storage compartment 11.

[0046] Reference Figure 2 , Figure 5 and Figure 6The refrigeration equipment 100 includes an ice chamber drain pipe 4. The ice chamber drain pipe 4 includes a third opening 41 and a fourth opening 42. The third opening 41 is located inside the ice chamber 2. The fourth opening 42 is located outside the inner liner 1 and is connected to the atmosphere. The ice chamber drain pipe 4 serves to drain water from the ice chamber 2, preventing water accumulation. The water drained by the ice chamber drain pipe 4 can be condensate from the ice chamber 2, or defrost water from the evaporator located inside the ice chamber 2 and used to supply cooling to the ice chamber 2.

[0047] Reference Figure 4 and Figure 6 In one embodiment of this application, the refrigeration device 100 includes a storage fan 5 disposed inside the inner liner 1. The storage fan 5 is used to promote gas flow inside the storage compartment 11. The refrigeration device 100 includes an ice compartment fan 6 disposed inside the ice compartment 2. The ice compartment fan 6 is used to promote gas flow inside the ice compartment 2. A first opening 31 is located on the air outlet side of the storage fan 5. A third opening 41 is located on the air intake side of the ice compartment fan 6.

[0048] Figure 4 and Figure 6 The arrows in the diagram represent the direction of gas flow.

[0049] In this application, the fan outlet side refers to the area where gas flows away from the fan during fan operation. The fan suction side refers to the area where gas flows towards the fan during fan operation.

[0050] When the fan is running, it promotes the circulation of air within the room, thus forming an air circulation path. The airflow direction in the air circulation path is: fan outlet → fan outlet side → fan intake side → fan intake. Along the air circulation path, structural components that obstruct airflow cause pressure losses, resulting in a gradual decrease in airflow pressure from the fan outlet to the fan intake. Therefore, the pressure distribution in the air circulation path is: the pressure on the fan outlet side is greater than the pressure on the fan intake side.

[0051] Correspondingly, when the storage fan 5 is running, the airflow direction in the air circulation path of the storage chamber 11 is: storage fan 5 outlet → storage fan 5 outlet side → storage fan 5 suction side → storage fan 5 suction. The pressure distribution in the air circulation path of the storage chamber 11 is: the pressure on the storage fan 5 outlet side is greater than the pressure on the storage fan 5 suction side.

[0052] When ice chamber fan 6 is running, the airflow direction in the ice chamber 2 air circulation path is: ice chamber fan 6 outlet → ice chamber fan 6 outlet side → ice chamber fan 6 suction side → ice chamber fan 6 suction. The pressure distribution in the ice chamber 2 air circulation path is: the pressure on the ice chamber fan 6 outlet side is greater than the pressure on the ice chamber fan 6 suction side.

[0053] The first opening 31 of the storage drain pipe 3 is located on the air outlet side of the storage fan 5, while the second opening 32 is connected to the external atmosphere, which is equivalent to connecting the high-pressure area of ​​the storage chamber 11 with the atmosphere, thereby relieving the pressure of the high-pressure area of ​​the storage chamber 11 and making the overall pressure of the storage chamber 11 slightly lower than the atmospheric pressure.

[0054] The third opening 41 of the ice chamber drain pipe 4 is located on the suction side of the ice chamber fan 6, and the fourth opening 42 is connected to the external atmosphere. This is equivalent to connecting the low-pressure area of ​​the ice chamber 2 with the atmosphere, thereby increasing the pressure of the low-pressure area of ​​the ice chamber 2 and making the overall pressure of the ice chamber 2 slightly higher than the atmospheric pressure.

[0055] This creates a slightly higher pressure in ice chamber 2 compared to storage chamber 11, establishing a slightly positive pressure environment in ice chamber 2 relative to storage chamber 11. This slightly positive pressure in ice chamber 2 relative to storage chamber 11 establishes a reliable pressure barrier, effectively preventing air carrying odors, moisture, or bacteria from storage chamber 11 from entering ice chamber 2 through structural gaps. This maintains the cleanliness of ice chamber 2 over the long term, ensuring that ice cubes are in a highly clean environment during the forming and storage process, thus improving ice quality.

[0056] In the technical solution of this application, the storage drain pipe 3 and the ice chamber drain pipe 4 are not only used for drainage, but also as part of the air circulation system to regulate the internal pressure distribution of the storage chamber 11 and the ice chamber 2, thereby creating a pressure barrier and constructing a slightly positive pressure environment in the ice chamber 2. Even if there are unavoidable seams or joints in the structure where the ice chamber 2 is located inside the storage chamber 11, as long as the internal pressure of the ice chamber 2 is higher than that of the storage chamber 11, the positive pressure principle can be used to prevent gas from the storage chamber 11 from seeping into the ice chamber 2.

[0057] Both the fan and the drain pipe are basic components of the refrigeration equipment 100, used to achieve airflow circulation and water discharge within the compartments. This application's technical solution, without adding any electrical or mechanical components, utilizes the existing structure of the refrigeration equipment 100 and, by adjusting the relative positions of the drain pipe and the fan, imparts a pressure regulation function to the drain pipe, achieving a slight positive pressure between the ice chamber 2 and the storage chamber 11. The solution is simple in structure, low in manufacturing cost, does not occupy additional space, and has strong adaptability.

[0058] Reference Figure 8 In another embodiment of this application, the refrigeration device 100 includes a machine room 7 and a machine room fan 8 disposed within the machine room 7. The machine room 7 is in communication with the atmosphere. A second opening 32 and a fourth opening 42 are both disposed within the machine room 7. The second opening 32 is located on the intake side of the machine room fan 8. The fourth opening 42 is located on the outlet side of the machine room fan 8.

[0059] Figure 8 The direction of the middle arrow indicates the direction of gas flow.

[0060] The machine room 7 can be located at the bottom of the refrigeration equipment 100, or at the top or rear of the refrigeration equipment 100. The machine room fan 8 is located inside the machine room 7, with relatively low pressure on the suction side and relatively high pressure on the discharge side, forming a stable pressure difference.

[0061] The second opening 32 is located on the suction side of the fan 8 in the machine room, that is, the second opening 32 is located in the low-pressure area of ​​the machine room 7. It can connect the interior of the storage room 11 to the low-pressure area of ​​the machine room 7 through the storage drain pipe 3, so that the pressure of the storage room 11 can be released to the low-pressure area, thereby reducing its overall pressure.

[0062] The fourth opening 42 is located on the air outlet side of the fan 8 in the mechanical room, that is, the fourth opening 42 is located in the high-pressure zone of the mechanical room 7. It can connect the interior of the ice chamber 2 to the high-pressure zone of the mechanical room 7 through the ice chamber drain pipe 4, so that the ice chamber 2 can draw in gas from the high-pressure zone, thereby increasing its overall pressure.

[0063] This allows the pressure in ice chamber 2 to be slightly higher than that in storage chamber 11, creating a slightly positive pressure environment in ice chamber 2 relative to storage chamber 11. This slightly positive pressure in ice chamber 2 relative to storage chamber 11 establishes a reliable pressure barrier, effectively preventing air carrying odors, moisture, or bacteria from storage chamber 11 from entering ice chamber 2 through structural gaps. This maintains the cleanliness of ice chamber 2 over the long term, ensuring that ice is kept in a highly clean environment during the forming and storage process, thus improving ice quality.

[0064] In the technical solution of this application, the storage drain pipe 3 and the ice chamber drain pipe 4 are not only used for drainage, but also as part of the air circulation system to regulate the internal pressure distribution of the storage chamber 11 and the ice chamber 2, thereby creating a pressure barrier and constructing a slightly positive pressure environment in the ice chamber 2. Even if there are unavoidable seams or joints in the structure where the ice chamber 2 is located inside the storage chamber 11, as long as the internal pressure of the ice chamber 2 is higher than that of the storage chamber 11, the positive pressure principle can be used to prevent gas from the storage chamber 11 from seeping into the ice chamber 2.

[0065] The mechanical room fan 8 and the drain pipe are both basic components of the refrigeration equipment 100, used to achieve airflow circulation and water discharge within the compartments. This application's technical solution, without adding any electrical or mechanical components, utilizes the existing structure of the refrigeration equipment 100 and, by adjusting the relative positions of the drain pipe and the fan, imparts a pressure regulation function to the drain pipe, achieving a slight positive pressure between the ice chamber 2 and the storage chamber 11. The solution is simple in structure, low in manufacturing cost, does not occupy additional space, and has strong adaptability.

[0066] Reference Figure 4 , Figure 6 ,and Figure 8In the two embodiments described above, the storage drain pipe 3 and the ice chamber drain pipe 4 can be used only with the storage fan 5 and the ice chamber fan 6, or only with the mechanical chamber fan 8. Either embodiment can achieve the effect of a slight positive pressure in the ice chamber 2 relative to the storage chamber 11. In other embodiments of this application, the structure of the refrigeration equipment 100 can include a combination of the two embodiments described above. That is, the first opening 31 is located on the air outlet side of the storage fan 5. The third opening 41 is located on the air intake side of the ice chamber fan 6. The second opening 32 and the fourth opening 42 are both located inside the mechanical chamber 7. The second opening 32 is located on the air intake side of the mechanical chamber fan 8. The fourth opening 42 is located on the air outlet side of the mechanical chamber fan 8.

[0067] Through the above arrangement, the high-pressure area of ​​storage chamber 11 is connected to the low-pressure area of ​​mechanical chamber 7, and the low-pressure area of ​​ice chamber 2 is connected to the high-pressure area of ​​mechanical chamber 7, thereby forming an overall air pressure in ice chamber 2 that is greater than the overall air pressure in storage chamber 11, and more effectively achieving a slightly positive pressure state in ice chamber 2 relative to storage chamber 11.

[0068] Reference Figure 4 and Figure 7 In one embodiment of this application, the refrigeration device 100 includes an air duct cover 12. The air duct cover 12 is disposed inside the inner liner 1. The air duct cover 12 and the wall of the inner liner 1 enclose a storage evaporation chamber 13. A storage fan 5 is disposed inside the storage evaporation chamber 13.

[0069] The refrigeration equipment 100 includes a storage air inlet 14. The storage air inlet 14 is located on the air duct cover 12. The storage air inlet 14 is located on the air outlet side of the storage fan 5. The air blown out by the storage fan 5 enters the storage chamber 11 through the storage air inlet 14.

[0070] The refrigeration equipment 100 includes a storage return air inlet 15. The storage return air inlet 15 is located on the duct cover 12. The storage return air inlet 15 is located on the suction side of the storage fan 5. Gas from the storage chamber 11 enters the storage evaporation chamber 13 through the storage return air inlet 15.

[0071] The refrigeration equipment 100 includes a storage fan 5, which includes a storage fan outlet 51 and a storage fan intake 52. A first opening 31 is provided in the gas flow path from the storage fan outlet 51 to the storage air inlet 14. The first opening 31 can also be provided inside the storage chamber 11 near the storage air inlet 14.

[0072] When the storage fan 5 is running, the airflow direction of the air circulation path in the storage room 11 is as follows: storage fan outlet 51 → gas flow path between storage fan outlet 51 and storage inlet 14, that is, storage air supply path → storage inlet 14 → inside storage room 11 → storage return air outlet 15 → gas flow path between storage return air outlet 15 and storage fan suction outlet 52, that is, storage return air path → storage fan suction outlet 52.

[0073] The pressure at the air outlet 51 of the storage fan is the highest. When the air blown out by the storage fan 5 passes through the storage air supply path, the storage air inlet 14, the inside of the storage room 11, the return air outlet of the storage room 11, and the storage return air path, a certain pressure loss will occur, resulting in the pressure gradually decreasing along the airflow direction, and the pressure at the air intake 52 of the storage fan is the lowest.

[0074] The storage air supply duct, the storage air inlet 14, and the area inside the storage room 11 near the storage air inlet 14 can all be considered as the air outlet side of the storage fan 5. The first opening 31 can be set in the aforementioned air outlet side area of ​​the storage fan 5 to enable the high-pressure area of ​​the storage room 11 to communicate with the atmosphere, ensuring that the overall pressure of the storage room 11 is slightly lower than atmospheric pressure. The area inside the storage room 11 near the storage return air inlet 15, the storage return air inlet 15, and the storage return air duct can all be considered as the air intake side of the storage fan 5.

[0075] Reference Figures 5 to 7 In one embodiment of this application, the refrigeration device 100 includes a housing 22, which is disposed inside the ice chamber 2. An ice chamber evaporation chamber 23 is formed inside the housing 22, and an ice chamber fan 6 is disposed inside the ice chamber evaporation chamber 23.

[0076] The refrigeration equipment 100 includes an ice chamber air inlet 24. The ice chamber air inlet 24 is located on the housing 22 and is situated on the air outlet side of the ice chamber fan 6. The refrigeration equipment 100 also includes an ice chamber return air inlet 25.

[0077] The ice chamber return air vent 25 is located on the housing 22 and is situated on the intake side of the ice chamber fan 6. The refrigeration equipment 100 includes the ice chamber fan 6, which includes an ice chamber fan outlet 61 and an ice chamber fan intake vent 62.

[0078] The third opening 41 is located in the gas flow path from the ice chamber return air inlet 25 to the ice chamber fan intake 62. The third opening 41 can also be located outside the ice chamber evaporation chamber 23 near the ice chamber return air inlet 25.

[0079] When the ice chamber fan 6 is running, the airflow direction of the ice chamber 2 air circulation path is: ice chamber fan outlet 61 → the gas flow path between ice chamber fan outlet 61 and ice chamber inlet 24, that is, the ice chamber 2 supply air path → ice chamber inlet 24 → the interior of ice chamber 2 → ice chamber return air outlet 25 → the gas flow path between ice chamber return air outlet 25 and ice chamber fan suction outlet 62, that is, the ice chamber 2 return air path → ice chamber fan suction outlet 62.

[0080] The pressure is highest at the outlet 61 of the ice chamber fan. When the air blown out by the ice chamber fan 6 passes through the supply air path of ice chamber 2, the air inlet 24 of ice chamber 2, the interior of ice chamber 2, the return air inlet of ice chamber 2, and the return air path of ice chamber 2, a certain pressure loss will occur, resulting in the pressure gradually decreasing along the airflow direction, and the pressure is lowest at the air intake 62 of the ice chamber fan.

[0081] The air supply path of ice chamber 2, the air inlet 24 of ice chamber 2, and the area inside ice chamber 2 near the air inlet 24 can all be considered as the air outlet side of ice chamber fan 6. The area inside ice chamber 2 near the return air inlet 25 of ice chamber 2, the return air inlet 25 of ice chamber 2, and the return air path of ice chamber 2 can all be considered as the air intake side of ice chamber fan 6. The third opening 41 can be set in the aforementioned air intake side area of ​​ice chamber fan 6 to enable the low-pressure area of ​​ice chamber 2 to connect with the atmosphere, ensuring that the overall pressure of ice chamber 2 is slightly higher than atmospheric pressure, thereby making the overall pressure of ice chamber 2 slightly higher than the overall pressure of storage chamber 11.

[0082] Reference Figure 8 In one embodiment of this application, the machine compartment 7 is located below the inner liner 1. The refrigeration equipment 100 includes a condenser 71 disposed within the machine compartment 7. The machine compartment fan 8 includes a machine compartment fan outlet 81 and a machine compartment fan intake 82. The machine compartment fan outlet 81 faces the condenser 71. A fourth opening 42 is located between the machine compartment fan outlet 81 and the condenser 71. A second opening 32 is located on the side of the machine compartment fan intake 82. The fourth opening 42 faces the machine compartment fan outlet 81. The second opening 32 faces the machine compartment fan intake 82.

[0083] The machine compartment 7 is located below the inner liner 1, which facilitates the unified arrangement of the condenser 71, compressor, drain pipe, and mechanical fan, etc., and helps to form a vertical partition structure, effectively isolating hot and cold areas. A water collection tray can be installed in the machine compartment 7. The drain tray can be set below the storage drain pipe 3 and the ice compartment drain pipe 4 to collect the water discharged from the storage drain pipe 3 and the ice compartment drain pipe 4, so that the water can be discharged naturally under the action of gravity.

[0084] Forced ventilation and heat dissipation of the condenser 71 by the mechanical room fan 8 can improve condensation efficiency and ensure the compressor's cooling capacity. The area between the fan outlet and the condenser 71 is a section in the fan exhaust path where pressure is gradually released, and the pressure is relatively high. The fourth opening 42 is located in this area and faces the fan outlet, which allows the ice chamber 2 to connect with this high-pressure area, guiding high-pressure gas into the ice chamber 2, thereby increasing the overall gas pressure of the ice chamber 2.

[0085] The fan intake side is the fan intake area, located in the low-pressure zone of the airflow path in the machine room 7. Leading the second opening 32 of the storage drain pipe 3 to this location allows the gas in the storage room 11 to be discharged into this low-pressure zone, effectively releasing the air pressure in the storage room 11. The opening faces the fan intake 82 in the machine room, which helps to fully entrain the gas from the storage drain pipe 3, improving the negative pressure suction capacity.

[0086] By installing the storage drain pipe 3 and the ice chamber drain pipe 4 to the air intake and air outlet sides of the mechanical room fan 8 respectively, and clearly defining the relationship between the opening orientation and the fan position, the logical closed loop of the ice chamber 2 micro positive pressure control structure is realized, and the heat dissipation efficiency of the condenser 71 and the stability of the system airflow are guaranteed. The structure layout is reasonable, the integration is high, the function is highly reusable, the modification cost is low, and the adaptability is strong.

[0087] Reference Figure 4 In one embodiment of this application, the refrigeration device 100 includes a storage evaporator 16 disposed within the storage evaporation chamber 13. The storage evaporator 16 is disposed between the storage fan intake 52 and the storage return air vent 15.

[0088] The storage evaporator 16 is located in the front section of the intake of the storage fan 5 and is in the return air path, forming the core area for cooling and heat exchange. The return airflow undergoes heat exchange through the evaporator before entering the storage fan 5, resulting in a significant drop in gas temperature.

[0089] In one embodiment of this application, the storage compartment 11 has an open opening at its front end. A duct cover 12 is located at the back of the storage compartment 11. The storage fan outlet 51 faces downwards. The storage fan intake 52 faces upwards. The storage evaporator 16 is located above the storage fan 5. A storage return air inlet 15 is provided at the top of the duct cover 12. A storage air inlet 14 is provided at the bottom of the duct cover 12. A first opening 31 is located on the bottom wall of the inner liner 1.

[0090] This embodiment sets the air outlet direction of the storage fan 5 downwards and the air intake direction upwards, and places a storage evaporator 16 between its air intake and return air inlet to form an air circulation path with air outlet at the bottom and return air at the top. Simultaneously, by placing the storage air inlet 14 at the bottom of the duct cover 12, the return air inlet at the top, and the first opening 31 at the bottom wall of the inner liner 1, an effective pressure release channel is provided for the slightly positive pressure structure of the ice chamber 2. This achieves an optimized design that is simple in structure, convenient in manufacturing, and reliable in function while maintaining good airflow organization.

[0091] Reference Figure 6 and Figure 7 In one embodiment of this application, the refrigeration equipment 100 includes an ice-making evaporator 26 disposed within the ice chamber evaporation chamber 23. The ice-making evaporator 26 is disposed on the suction side of the ice chamber fan 6.

[0092] The evaporator of ice chamber 2 is located in front of the intake section of storage fan 5 and is in the return air path, forming the core area for cooling and heat exchange. The return airflow undergoes heat exchange through the evaporator before entering ice chamber fan 6, causing a significant drop in gas temperature. The third opening 41 can be located between the evaporator of ice chamber 2 and ice chamber fan 6.

[0093] Reference Figure 1 , Figure 2 , Figures 5 to 7 In one embodiment of this application, the ice chamber 2 has an open opening at its front end. A housing 22 is disposed on the top of the ice chamber 2, and an ice maker 21 is disposed on the top of the ice chamber 2. The ice maker 21 is located on the left or right side of the housing 22. The air intake vent 62 of the ice chamber fan faces forward. The air outlet of the ice maker 21 faces the ice maker 21 or faces backward / upward. An ice evaporator 26 is disposed in front of the ice chamber fan 6, and an ice chamber return air vent 25 is disposed on the front wall of the housing 22. The air outlet of the ice chamber 2 is disposed on the side wall of the housing 22 adjacent to the ice maker 21.

[0094] By integrating the fan and evaporator within the top shell 22 of the ice chamber 2, and employing an airflow design with the fan drawing air forward, the evaporator positioned in front, side exhaust, and front return air, a highly efficient, clean, and closed ice-making airflow system is constructed. This structure ensures both ice-making efficiency and ice cleanliness, while also achieving a compact modular layout and optimized overall space utilization.

[0095] Reference Figure 4 In one embodiment of this application, the ratio of the opening area of ​​the storage return air vent 15 to the storage air inlet vent 14 is greater than 1.1.

[0096] In this application, the opening area refers to the cross-sectional area of ​​the opening through which gas can actually flow. Specifically, the opening area does not simply refer to the geometric dimensions of the opening, but rather to the actual effective cross-sectional size that allows airflow during equipment operation. If an adjustment mechanism, such as a damper, is provided at the air supply or return inlet, the opening area should be determined based on the actual opening state of the damper after adjustment.

[0097] In this application, the ratio of the opening areas of the air inlet and return air outlet of the storage room 11 and the ice room 2 refers to the ratio of the effective opening area of ​​the air supply outlet to the effective opening area of ​​the return air outlet, determined according to the actual gas flow channel conditions of each.

[0098] In this embodiment, the area of ​​the air inlet is smaller than that of the return air inlet. The smaller air inlet generates greater air resistance and pressure loss, which reduces the pressure on the air outlet side of the storage chamber 11. Consequently, the pressure on the return air side of the storage chamber 11 is also reduced. The air outlet side of the storage fan 5 is connected to the outside atmosphere through the storage drain pipe 3, so that the overall pressure of the storage chamber 11 is slightly lower than the atmospheric pressure.

[0099] Reference Figure 6 and Figure 7In one embodiment of this application, the opening area ratio of the ice chamber air inlet 24 and the ice chamber air return outlet 25 is greater than 1.1. The air inlet is larger than the air return outlet, and the outlet side of the ice chamber fan 6 is connected to the larger area air inlet, resulting in lower air resistance and smoother airflow. A higher pressure area is formed at the outlet end of the fan. The suction side of the fan is connected to the smaller area air return outlet, resulting in higher suction resistance and restricted airflow, forming a more obvious low-pressure area. Since the suction side of the ice chamber fan 6 is connected to the atmosphere through a drain pipe, this design can increase the overall air pressure of the ice chamber 2, making the pressure of the ice chamber 2 slightly higher than atmospheric pressure.

[0100] By designing the supply and return air outlet area ratios of the air circulation systems of storage chamber 11 and ice chamber 2 respectively, and thereby controlling the distribution of local pressure loss, storage chamber 11 is in a slightly negative pressure state and ice chamber 2 is in a slightly positive pressure state, thus effectively preventing gas from entering ice chamber 2 from storage chamber 11.

[0101] In one embodiment of this application, adjustable dampers can be installed at the air inlets and outlets of the storage chamber 11 and the ice chamber 2 to achieve dynamic control of the opening area, thereby optimizing the gas flow characteristics in the storage chamber 11 and the ice chamber 2, forming a favorable pressure differential distribution, and thus ensuring the cleanliness of the ice chamber 2 environment.

[0102] The refrigeration equipment 100 in this application can be a refrigerator, a cold storage unit, a display case, etc.

[0103] In summary, the refrigeration equipment 100 of this application can solve the technical problem in the prior art that external gases may enter the interior of the ice chamber 2, thereby contaminating the ice-making environment and affecting the quality and hygiene safety of the ice.

[0104] The technical solution of this application enables the ice chamber 2 to have a slightly higher pressure than the storage chamber 11, creating a slightly positive pressure environment in the ice chamber 2 relative to the storage chamber 11. This slightly positive pressure in the ice chamber 2 relative to the storage chamber 11 establishes a reliable pressure barrier, effectively preventing air carrying odors, moisture, or bacteria from the storage chamber 11 from entering the ice chamber 2 through structural gaps. This maintains the cleanliness of the ice chamber 2 over the long term, ensuring that the ice is in a high-cleanliness environment during the forming and storage process, thus improving ice quality. The fan and drain pipe are basic components of the refrigeration equipment 100, used to achieve airflow circulation and water drainage between chambers. This technical solution, without adding any electrical or mechanical components, utilizes the existing structure of the refrigeration equipment 100 and, by adjusting the relative positions of the drain pipe and fan, gives the drain pipe air pressure regulation function, achieving a slightly positive pressure in the ice chamber 2 relative to the storage chamber 11. The structure is simple, the manufacturing cost is low, it does not occupy additional space, and it has strong adaptability.

[0105] It should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0106] The detailed descriptions listed above are merely specific descriptions of feasible implementation methods of this patent, and are not intended to limit the scope of protection of this patent. All equivalent implementation methods or modifications that do not depart from the spirit of the technology of this patent should be included within the scope of protection of this patent.

Claims

1. A refrigeration device (100), characterized in that, The refrigeration equipment (100) includes: The inner liner (1) forms a storage chamber (11) inside; An ice room (2) is provided in the storage room (11) and is used to install an ice maker (21) and / or an ice storage box; The storage drain pipe (3) includes a first opening (31) and a second opening (32), the first opening (31) being located inside the inner liner (1) and the second opening (32) being located outside the inner liner (1) and communicating with the atmosphere. Ice chamber drain pipe (4), which includes a third opening (41) and a fourth opening (42), the third opening (41) being located inside the ice chamber (2), and the fourth opening (42) being located outside the inner liner (1) and communicating with the atmosphere; The refrigeration equipment (100) satisfies one of the following: The refrigeration equipment (100) includes a storage fan (5) disposed inside the inner liner (1), the storage fan (5) being used to promote the flow of gas inside the storage chamber (11), the refrigeration equipment (100) includes an ice chamber fan (6) disposed inside the ice chamber (2), the ice chamber fan (6) being used to promote the flow of gas inside the ice chamber (2), the first opening (31) being located on the air outlet side of the storage fan (5), and the third opening (41) being located on the air intake side of the ice chamber fan (6); The refrigeration equipment (100) includes a machine room (7) and a machine room fan (8) disposed in the machine room (7). The machine room (7) is connected to the atmosphere. The second opening (32) and the fourth opening (42) are both disposed in the machine room (7). The second opening (32) is located on the suction side of the machine room fan (8), and the fourth opening (42) is located on the exhaust side of the machine room fan (8).

2. The refrigeration equipment (100) as described in claim 1, characterized in that, The refrigeration equipment (100) includes: A duct cover (12) is provided inside the inner liner (1). The duct cover (12) and the inner liner (1) wall form a storage evaporation chamber (13). The storage fan (5) is provided inside the storage evaporation chamber (13). Storage air inlet (14) is provided on the air duct cover (12). The storage air inlet (14) is located on the air outlet side of the storage fan (5). The gas blown out by the storage fan (5) enters the storage room (11) through the storage air inlet (14). Storage return air inlet (15) is provided on the air duct cover plate (12). The storage return air inlet (15) is located on the suction side of the storage fan (5). The gas in the storage chamber (11) enters the storage evaporation chamber (13) through the storage return air inlet (15). The storage fan (5) includes a storage fan outlet (51) and a storage fan intake (52). The first opening (31) is located on the gas flow path from the storage fan outlet (51) to the storage air inlet (14), or the first opening (31) is located in the storage room (11) near the storage air inlet (14).

3. The refrigeration equipment (100) as described in claim 1, characterized in that, The refrigeration equipment (100) includes: A housing (22) is disposed inside the ice chamber (2), and an ice chamber evaporation chamber (23) is formed inside the housing (22). The ice chamber fan (6) is disposed inside the ice chamber evaporation chamber (23). An air inlet (24) for the ice chamber is located on the housing (22) and the air inlet (24) for the ice chamber is located on the air outlet side of the ice chamber fan (6). Ice chamber return air vent (25) is provided in the housing (22), and the ice chamber return air vent (25) is located on the air intake side of the ice chamber fan (6); The ice chamber fan (6) includes an ice chamber fan outlet (61) and an ice chamber fan intake (62). The third opening (41) is located on the gas flow path from the ice chamber return air inlet (25) to the ice chamber fan intake (62), or the third opening (41) is located outside the ice chamber evaporation chamber (23) near the ice chamber return air inlet (25).

4. The refrigeration equipment (100) as described in claim 1, characterized in that, The mechanical chamber (7) is located below the inner liner (1). The refrigeration equipment (100) includes a condenser (71) disposed in the mechanical chamber (7). The mechanical chamber fan (8) includes a mechanical chamber fan outlet (81) and a mechanical chamber fan intake (82). The mechanical chamber fan outlet (81) faces the condenser (71). The fourth opening (42) is located between the mechanical chamber fan outlet (81) and the condenser (71). The second opening (32) is located on the side of the mechanical chamber fan intake (82). The fourth opening (42) faces the mechanical chamber fan outlet (81), and the second opening (32) faces the mechanical chamber fan intake (82).

5. The refrigeration equipment (100) as described in claim 2, characterized in that, The refrigeration equipment (100) includes a storage evaporator (16) disposed in the storage evaporation chamber (13), and the storage evaporator (16) is disposed between the storage fan air intake (52) and the storage return air intake (15).

6. The refrigeration equipment (100) as described in claim 5, characterized in that, The storage chamber (11) has an open opening at the front end. The air duct cover (12) is located at the back of the storage chamber (11). The air outlet (51) of the storage fan faces downward, and the air inlet (52) of the storage fan faces upward. The storage evaporator (16) is located above the storage fan (5). The bottom of the air duct cover (12) is provided with the storage air inlet (14), and the upper part of the air duct cover (12) is provided with the storage return air inlet (15). The first opening (31) is located on the bottom wall of the inner liner (1).

7. The refrigeration equipment (100) as described in claim 3, characterized in that, The refrigeration equipment (100) includes an ice-making evaporator (26) disposed in the ice chamber evaporation chamber (23), and the ice-making evaporator (26) is disposed on the suction side of the ice chamber fan (6).

8. The refrigeration equipment (100) as described in claim 7, characterized in that, The ice chamber (2) has an open opening at the front end. The housing (22) is located on the top of the ice chamber (2). The ice maker (21) is located on the top of the ice chamber (2). The ice maker (21) is located on the left or right side of the housing (22). The air intake (62) of the ice chamber fan faces forward. The air outlet of the ice maker (21) faces the ice maker (21) or faces backward / upward. The ice evaporator (26) is located in front of the ice chamber fan (6). The ice chamber return air inlet (25) is located on the front wall of the housing (22). The air outlet of the ice chamber (2) is located on the side wall of the housing (22) of the ice maker (21).

9. The refrigeration equipment (100) as described in claim 2, characterized in that, The ratio of the opening area of ​​the storage return air inlet (15) to that of the storage air inlet (14) is greater than 1.

1.

10. The refrigeration equipment (100) as described in claim 3, characterized in that, The ratio of the opening area of ​​the ice chamber air inlet (24) to the opening area of ​​the ice chamber air return outlet (25) is greater than 1.1.

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