A fresh air refrigerator

By designing the air duct components and fresh air components of the fresh air refrigerator, the problem of uneven cold air distribution in air-cooled refrigerators has been solved, thereby improving cooling efficiency and energy consumption, while also improving air quality and extending the shelf life of food.

CN119197007BActive Publication Date: 2025-11-28CHANGHONG MEILING CO LTD
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Patent Information

Application Number
CN202411445994.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-11-28
Estimated Expiration
2044-10-16

AI Technical Summary

Technical Problem

The existing air-cooled refrigerator's duct structure design results in uneven distribution of cold air, affecting food preservation and increasing energy consumption. Furthermore, the existing design is complex and increases production costs.

Method used

The design incorporates a fresh air refrigerator duct system, including air supply and return components. Combined with the fresh air component, it purifies and cools the air. The air supply component transports and recycles air along the inner wall of the refrigeration compartment to achieve low-temperature air circulation. After purification and cooling by the fresh air component, the air is then delivered to the refrigeration compartment.

Benefits of technology

It achieves uniform temperature distribution in the refrigeration room, improves refrigeration efficiency, reduces energy consumption, extends food shelf life, and enhances air quality through sterilization and deodorization technologies.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a fresh air refrigerator, and relates to the technical field of household refrigerators, which comprises a cabinet and a door body, the door body is pivotally connected with the cabinet, and the cabinet has a refrigeration compartment inside; an air duct assembly is arranged in the refrigeration compartment, the air duct assembly is configured to circulate low-temperature air along the inner wall of the refrigeration compartment to the refrigeration compartment; a fresh air assembly is connected with the air duct assembly, the fresh air assembly is configured to purify and cool the return air of the air duct assembly, and deliver the processed air into the refrigeration compartment through the air duct assembly. The fresh air refrigerator solves the problem that the existing refrigerator cannot solve the uneven refrigeration through a simple structure.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of household refrigerators, in particular to a fresh air refrigerator. BACKGROUND

[0002] In today's household appliance market, air-cooled refrigerators have gained widespread recognition and application due to their high-efficiency refrigeration and frost-free features. The core working principle of air-cooled refrigerators mainly relies on their built-in fan and air duct system. These components work together to distribute cold air evenly throughout the refrigeration chamber, effectively solving the problem of frost formation that often occurs in traditional direct-cooling refrigerators. This technological innovation not only improves the refrigeration efficiency of the refrigerator, but also greatly facilitates the daily use and maintenance of users.

[0003] However, despite the significant success of air-cooled refrigerators in the market, there are still some problems with the existing air duct structure design that need to be addressed. Currently, most air-cooled refrigerators use a fixed air duct structure. This design usually sets an air inlet and an air outlet on the back wall of the refrigeration chamber. The fan blows the cold air generated by the evaporator into the refrigeration chamber, forming a circulating air flow through a specific air duct to achieve uniform refrigeration. However, this fixed air duct design often fails to ensure perfect distribution of cold air within the refrigeration chamber in actual application. In particular, in some special areas such as the interior of the drawer and the vicinity of the door, due to the limitations of air flow path and the influence of obstacles, temperature distribution is often uneven. These temperature dead zones not only affect the preservation effect of food, but also may lead to users' doubts about the overall refrigeration performance of the refrigerator.

[0004] In addition, the existing air duct system is often complex in design, which not only increases the production difficulty and cost, but also may have a negative impact on the energy consumption of the refrigerator. Due to the obstruction of cold air flow in the air duct, the compressor needs to be started and operated more frequently to maintain the set temperature in the refrigeration chamber. This frequent start-up not only increases the energy consumption of the refrigerator, but also may damage the service life of the compressor. At the same time, although air-cooled refrigerators are marketed with frost-free features, in actual use, due to the unevenness of cold air circulation, local frost may still occur in some areas, which not only affects the appearance of the refrigerator, but also may have a certain negative impact on the refrigeration effect. SUMMARY

[0005] The present application provides a fresh air refrigerator to solve the problem that existing refrigerators cannot solve the uneven refrigeration problem through simple structure.

[0006] The fresh air refrigerator comprises:

[0007] a cabinet and a door body, the door body and the cabinet are pivotally connected, and the cabinet has a refrigeration chamber inside;

[0008] An air duct assembly is arranged in the refrigeration chamber, and is configured to circulate low-temperature air along the inner wall of the refrigeration chamber to the refrigeration chamber.

[0009] A fresh air assembly is connected with the air duct assembly, and is configured to purify and cool the return air of the air duct assembly, and deliver the processed air into the refrigeration chamber through the air duct assembly.

[0010] Preferably, the air duct assembly comprises:

[0011] An air supply assembly is arranged on the side of the refrigeration chamber away from the door body, and is configured to deliver air into the refrigeration chamber along the bottom area, top area and side wall area of the refrigeration chamber, respectively.

[0012] An air return assembly is arranged on the side of the refrigeration chamber away from the door body, and is configured to recover air from the refrigeration chamber along the bottom area, top area and side wall area of the refrigeration chamber, respectively.

[0013] Preferably, the fresh air assembly is connected with the air supply assembly and the air return assembly, respectively.

[0014] The fresh air assembly is configured to:

[0015] purify the air recovered by the air return assembly;

[0016] sequentially purify and cool the recovered air, and deliver the processed air into the refrigeration chamber through the air supply assembly.

[0017] Preferably, the air supply assembly comprises:

[0018] A top air supply port is arranged on the top of the air supply assembly, and has a first preset distance from the top of the refrigeration chamber.

[0019] A bottom air supply port is arranged on the bottom of the air supply assembly, and has a first preset distance from the bottom of the refrigeration chamber.

[0020] A plurality of side wall air supply ports are evenly arranged on the side of the air supply assembly.

[0021] Preferably, the air return assembly comprises:

[0022] A top air return port is arranged on the top of the air return assembly, and has a first preset distance from the top of the refrigeration chamber.

[0023] a bottom air return, which is arranged at the bottom of the air return assembly, and has a first preset distance from the bottom of the refrigeration compartment;

[0024] a plurality of side wall air returns, which are evenly arranged at the side edges of the air supply assembly.

[0025] Preferably, the air duct assembly further comprises:

[0026] an air outlet inner flow guide grille, which is arranged at a side of the refrigeration compartment away from the door body, has a plurality of air inlets and a plurality of air outlets, and is connected with the fresh air assembly, wherein the air outlets of the air outlet inner flow guide grille are connected with the top air supply, the bottom air supply and the side wall air supply respectively.

[0027] Preferably, the air duct assembly further comprises:

[0028] an air return inner flow guide grille, which is arranged at a side of the refrigeration compartment away from the door body, has a plurality of air inlets and a plurality of air outlets, and is connected with the fresh air assembly, wherein the air inlets of the air return inner flow guide grille are connected with the top air return, the bottom air return and the side wall air return respectively.

[0029] Preferably, the fresh air assembly comprises:

[0030] a purification module, which is configured to purify the air collected by the air return assembly;

[0031] an evaporator module, which is configured to perform cooling treatment on the air after the purification treatment.

[0032] Preferably, the purification module comprises:

[0033] an ultraviolet sterilization lamp, which is configured to perform sterilization treatment on the air collected by the air return assembly;

[0034] an odor eliminator, which is configured to perform odor elimination treatment on the air after the sterilization treatment.

[0035] Preferably, the fresh air assembly further comprises:

[0036] a fan, which is arranged between the evaporator module and the odor eliminator, and is configured to deliver the air treated by the evaporator module into the refrigeration compartment.

[0037] From the above, the application provides a fresh air refrigerator, which comprises a cabinet and a door body, the door body and the cabinet are pivotally connected, the cabinet has a refrigeration compartment inside; an air duct assembly is arranged in the refrigeration compartment, the air duct assembly is configured to circulate low-temperature air along the inner wall of the refrigeration compartment; a fresh air assembly is connected with the air duct assembly, the fresh air assembly is configured to purify and cool the return air of the air duct assembly, and deliver the processed air into the refrigeration compartment through the air duct assembly. The above fresh air refrigerator solves the problem that the existing refrigerator cannot solve the uneven refrigeration problem through a simple structure. BRIEF DESCRIPTION OF DRAWINGS

[0038] In order to more clearly illustrate the technical solutions of the application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0039] Figure 1 It is a schematic diagram of a fresh air refrigerator according to the application.

[0040] Figure 2 It is an enlarged schematic diagram of an air duct assembly in a fresh air refrigerator according to the application.

[0041] Figure 3 It is an enlarged schematic diagram of a fresh air assembly in a fresh air refrigerator according to the application. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the application will be described clearly and completely in combination with the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the application.

[0043] It should be noted that the brief description of the terms in the application is only for the convenience of understanding the following described embodiments, and is not intended to limit the embodiments of the application. Unless otherwise specified, these terms should be understood according to their ordinary and general meanings.

[0044] Figure 1 It is a schematic diagram of a fresh air refrigerator according to the application.

[0045] Reference is made to Figure 1 It can be seen that the application provides a fresh air refrigerator, which comprises:

[0046] The box body 100 and the door body 200 are pivoted, the box body 100 has a refrigeration compartment inside, specifically, in the embodiment, the box body 100, the door body 200 and the refrigeration compartment inside the box body 100 all belong to the conventional settings of the refrigerator, but all need to meet the placement design of the subsequent components.

[0047] The fresh air refrigerator further comprises:

[0048] The air duct assembly 300 is arranged in the refrigeration compartment, and is configured to circulate low-temperature air along the inner wall of the refrigeration compartment to the refrigeration compartment, specifically, in the embodiment, the air duct assembly 300 is configured to deliver air from the inner wall of the refrigeration compartment to the refrigeration compartment and recycle air from the inside of the refrigeration compartment, so as to achieve low-temperature air circulation; and since more air flows along the inner wall of the refrigeration compartment, the gaps near the door body, the inside of the drawer and the corner of the refrigeration compartment wall can be effectively cooled, so as to achieve uniform cooling of the refrigeration compartment.

[0049] The fresh air refrigerator further comprises:

[0050] The fresh air assembly 400 is connected with the air duct assembly 300, and is configured to purify and cool the return air of the air duct assembly 300 and deliver the processed air to the refrigeration compartment through the air duct assembly 300, specifically, in the embodiment, the fresh air assembly 400 not only has the conventional purification function, but also has the refrigeration effect, the fresh air assembly in the conventional fresh air refrigerator can only purify air, but in the embodiment, the cooperation between the fresh air assembly 400 and the air duct assembly 300 needs to be considered, so the refrigeration function is also added to the fresh air assembly 400, through such a structural design, the return air, refrigeration and air supply can be performed in the same pipeline passage, so as to simplify the structure of the air duct assembly 300 and avoid the complex design of multiple pipelines.

[0051] Figure 2 It is a magnified schematic view of the air duct assembly in the fresh air refrigerator.

[0052] Referring to Figure 2 It can be seen that, further, in some embodiments, the air duct assembly 300 comprises:

[0053] The air supply assembly 310 is arranged on the side of the refrigeration compartment away from the door body 200, and is configured to deliver air into the refrigeration compartment along the bottom region, the top region and the side wall region of the refrigeration compartment, respectively;

[0054] The return air assembly 320 is provided on the side of the refrigeration room away from the door 200, and the air supply assembly 310 is disposed thereon. The return air assembly 320 is configured to recover air from the refrigeration room along the bottom area, top area and side wall area of ​​the refrigeration room, respectively.

[0055] Specifically, in this embodiment, the air duct assembly 300 is designed to include the air supply assembly 310 and the air return assembly 320. The air supply assembly 310 supplies air into the cooling room along the bottom, top, and side wall areas of the cooling room, respectively, and the air return assembly 320 recovers air from the cooling room along the bottom, top, and side wall areas of the cooling room, thereby achieving air circulation along the inner wall of the cooling room.

[0056] Among them, see Figure 2 It is known that the air supply assembly 310 and the return air assembly 320 are located on the side of the refrigeration room away from the door 200. Specifically, the location should be the area formed by the two included angles of the three side walls of the refrigeration room. Furthermore, only the air outlets of the air supply assembly 310 and the return air assembly 320 are located in the refrigeration room, which can further reduce the space required for the air duct.

[0057] Furthermore, in some embodiments, the fresh air assembly 400 is connected to the air supply assembly 310 and the return air assembly 320, respectively;

[0058] The fresh air component 400 is configured as follows:

[0059] Purify the air recovered by the return air assembly 320;

[0060] The recovered air is purified and cooled sequentially, and the treated air is then delivered to the cooling room through the air supply assembly 310.

[0061] Specifically, in this embodiment, the fresh air assembly 400 completes air supply and return through the air supply assembly 310 and the return air assembly 320 respectively; when the return air enters the fresh air assembly 400 through the return air assembly 320, the fresh air assembly 400 purifies and cools the return air, and delivers the treated air to the cooling room along the inner wall of the cooling room through the air supply assembly 310.

[0062] Furthermore, in some embodiments, the air supply assembly 310 includes:

[0063] A top air outlet 311 is disposed on the top of the air supply assembly 310, and there is a first preset distance between the top air outlet 311 and the top of the cooling room.

[0064] a bottom air outlet 312, the bottom air outlet 312 is arranged at the bottom of the air supply assembly 310, and a first preset distance is provided between the bottom air outlet 312 and the bottom of the refrigeration chamber;

[0065] a plurality of side wall air outlets 313, all the side wall air outlets 313 are arranged uniformly on the side of the air supply assembly 310.

[0066] Specifically, in the embodiment, considering that the size and position of the air outlet also affect the refrigeration effect, in the embodiment, the top air outlet 311 is arranged at the top of the air supply assembly 310, the bottom air outlet 312 is arranged at the bottom of the air supply assembly 310, and a plurality of side wall air outlets 313 are arranged on the side of the air supply assembly 310; the top area of the refrigeration chamber, the bottom area of the refrigeration chamber, the dead angle of the top area and the dead angle of the bottom area are uniformly refrigerated through the top air outlet 311 and the bottom air outlet 312; the low-temperature air is uniformly and accurately transported from the inner wall of the refrigeration chamber to the refrigeration chamber from a plurality of air supply points through the plurality of side wall air outlets 313, so that the distribution of the low-temperature air in the refrigeration chamber is always in a uniform and full state, and the problem of reduced refrigeration utilization caused by an excessively large air outlet can be avoided.

[0067] Further, in some embodiments, the air return assembly 320 comprises:

[0068] a top air return outlet 321, the top air return outlet 321 is arranged at the top of the air return assembly 320, and a first preset distance is provided between the top air return outlet 321 and the top of the refrigeration chamber;

[0069] a bottom air return outlet 322, the bottom air return outlet 322 is arranged at the bottom of the air return assembly 320, and a first preset distance is provided between the bottom air return outlet 322 and the bottom of the refrigeration chamber;

[0070] a plurality of side wall air return outlets 323, all the side wall air return outlets 323 are arranged uniformly on the side of the air supply assembly 310.

[0071] Specifically, in the embodiment, although the air supply assembly 310 described above is provided with top, bottom and side wall air outlets, there is still a problem of uneven refrigeration for the dead angle on the air return side, so the top air return outlet 321, the bottom air return outlet 322 and the side wall air return outlet 323 corresponding to the air outlets in the air supply assembly 310 need to be arranged in the air return assembly 320, so that any position in the refrigeration chamber can be effectively and uniformly refrigerated.

[0072] Further, in some embodiments, the air duct assembly 300 further comprises:

[0073] An air-out inner flow guide grille 330 is arranged on the side of the refrigeration compartment away from the door body 200, and has a plurality of air inlets and a plurality of air outlets. All the air inlets of the air-out inner flow guide grille 330 are connected with the fresh air assembly 400, and the air outlets of the air-out inner flow guide grille 330 are respectively connected with the top air outlet 311, the bottom air outlet 312 and the side wall air outlet 313.

[0074] An air-return inner flow guide grille 340 is arranged on the side of the refrigeration compartment away from the door body 200, and has a plurality of air inlets and a plurality of air outlets. All the air outlets of the air-return inner flow guide grille 340 are connected with the fresh air assembly 400, and the air inlets of the air-return inner flow guide grille 340 are respectively connected with the top air return port 321, the bottom air return port 322 and the side wall air return port 323.

[0075] Specifically, in the embodiment, the low-temperature air produced by the fresh air assembly 400 is independently delivered into the refrigeration compartment through the top air outlet 311, the bottom air outlet 312 and the side wall air outlet 313 through the air-out inner flow guide grille 330. In this way, not only independent air supply can be realized, but also the utilization rate of refrigeration can be improved, and the problem that the fresh air assembly 400 cannot be provided with a refrigeration device with large power due to the small size of the fresh air assembly 400 when the refrigeration function is arranged in the fresh air assembly 400 can be avoided. Similarly, the air-return inner flow guide grille 340 can also improve the refrigeration effect.

[0076] Figure 3 An enlarged schematic view of the fresh air assembly in the fresh air refrigerator.

[0077] Referring to Figure 3 It can be seen that, further, in some embodiments, the fresh air assembly 400 includes:

[0078] A purification module 410 configured to purify the air collected by the air return assembly 320;

[0079] An evaporator module 420 configured to cool the air after the purification process.

[0080] Specifically, in the embodiment, the air collected by the air return assembly 320 is purified by the purification module 410, the air after the purification process is cooled by the evaporator module 420, and the low-temperature air after the treatment is delivered into the refrigeration compartment by the air supply assembly 310, so as to complete the closed loop of refrigeration.

[0081] The evaporator module 420 is arranged behind the purification module 410, that is, the purification process is performed before the cooling process, so that the evaporator module 420 can be prevented from being polluted by impurities in the refrigeration compartment to a certain extent.

[0082] Further, in some embodiments, the purification module 410 comprises:

[0083] An ultraviolet sterilization lamp 411 configured to perform sterilization on the air recovered by the return air assembly 320;

[0084] A deodorizer 412 configured to perform deodorization on the air after sterilization.

[0085] Specifically, in the embodiment, considering that food and other substances with certain odors are often stored in the refrigerator, sterilization and deodorization need to be performed at the same time to achieve the fresh air effect.

[0086] Further, in some embodiments, the fresh air assembly 400 further comprises:

[0087] A fan 430, the evaporator module 420 is arranged between the fan 430 and the deodorizer 412, and the fan 430 is configured to deliver the air processed by the evaporator module 420 into the refrigeration compartment.

[0088] Specifically, in the embodiment, the fan 430 can accelerate the flow of air, so as to improve the fresh air effect and the refrigeration effect.

[0089] The embodiment has the following advantages:

[0090] By changing the air duct structure, the heat exchange efficiency of the air-cooled refrigerator during the refrigeration program operation is higher, the temperature distribution uniformity of each area in the compartment is improved, and the air circulation is supplemented by sterilization and deodorization technology during the air circulation process, so as to improve the air quality in the compartment, reduce the influence of microorganisms that may exist in the air on food preservation, and prolong the food preservation period.

[0091] The similar parts among the embodiments provided in the application can be referred to each other, the specific embodiments provided above are only several examples under the general concept of the application, and do not limit the protection scope of the application. Any other embodiments extended according to the application scheme without creative labor belong to the protection scope of the application for those skilled in the art.

Claims

1. A fresh air refrigerator, characterized in that, The fresh air refrigerator includes: A housing (100) and a door (200) are pivotally connected, the housing (100) having a refrigeration compartment inside; A duct assembly (300) is disposed in a refrigeration chamber and is configured to circulate low-temperature air into the refrigeration chamber along the inner wall of the refrigeration chamber. A fresh air assembly (400) is connected to the air duct assembly (300). The fresh air assembly (400) is configured to purify and cool the return air from the air duct assembly (300) and deliver the treated air to the cooling room through the air duct assembly (300). The air duct assembly (300) includes: An air supply assembly (310) is disposed on the side of the refrigeration chamber away from the door (200), and the air supply assembly (310) is configured to supply air into the refrigeration chamber along the bottom region, top region and side wall region of the refrigeration chamber, respectively. The return air assembly (320) is provided on the side of the refrigeration room away from the door (200), and the return air assembly (320) is configured to recover air from the refrigeration room along the bottom area, top area and side wall area of ​​the refrigeration room respectively. The fresh air assembly (400) is connected to the air supply assembly (310) and the return air assembly (320) respectively; The fresh air component (400) is configured as follows: The air recovered by the return air assembly (320) is purified; The recovered air is purified and cooled in sequence, and the treated air is delivered to the cooling room through the air supply assembly (310).

2. A fresh air refrigerator according to claim 1, characterized in that, The air supply assembly (310) includes: A top air outlet (311) is disposed on the top of the air supply assembly (310), and the top air outlet (311) has a first preset distance from the top of the cooling room. Bottom air outlet (312), the bottom air outlet (312) is disposed at the bottom of the air supply assembly (310), and there is a first preset distance between the bottom air outlet (312) and the bottom of the cooling room; Several sidewall air outlets (313) are evenly arranged on the side of the air supply assembly (310).

3. A fresh air refrigerator according to claim 2, characterized in that, The return air assembly (320) includes: A top return air vent (321) is provided on top of the return air assembly (320), and the top return air vent (321) has a first preset distance from the top of the refrigeration compartment; Bottom return air vent (322), the bottom return air vent (322) is disposed at the bottom of the return air assembly (320), and the bottom return air vent (322) has a first preset distance from the bottom of the refrigeration compartment; Several side wall return air inlets (323) are evenly arranged on the side of the air supply assembly (310).

4. A fresh air refrigerator according to claim 3, characterized in that, The air duct assembly (300) also includes: An internal airflow guide grille (330) is provided on the outside of the refrigeration room away from the door (200). The internal airflow guide grille (330) has several air inlets and several air outlets. All air inlets of the internal airflow guide grille (330) are connected to the fresh air assembly (400). The air outlets of the internal airflow guide grille (330) are respectively connected to the top air outlet (311), the bottom air outlet (312), and the side wall air outlet (313).

5. A fresh air refrigerator according to claim 4, characterized in that, The air duct assembly (300) also includes: An internal return air intake grille (340) is provided on the outside of the refrigeration room away from the door (200). The internal return air intake grille (340) has several air inlets and several air outlets. All air outlets of the internal return air intake grille (340) are connected to the fresh air assembly (400). The air inlets of the internal return air intake grille (340) are respectively connected to the top return air inlet (321), the bottom return air inlet (322), and the side wall return air inlet (323).

6. A fresh air refrigerator according to claim 5, characterized in that, The fresh air assembly (400) includes: A purification module (410) is configured to purify the air recovered by the return air assembly (320); An evaporator module (420) is configured to cool the purified air.

7. A fresh air refrigerator according to claim 6, characterized in that, The purification module (410) includes: An ultraviolet germicidal lamp (411) is configured to sterilize the air recovered by the return air assembly (320); Odor purifier (412), which is configured to purify the air after sterilization.

8. A fresh air refrigerator according to claim 7, characterized in that, The fresh air assembly (400) also includes: A fan (430) is provided between the evaporator module (420) and the odor eliminator (412), the fan (430) being configured to deliver air processed by the evaporator module (420) into the refrigeration compartment.

Citation Information

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