WO2023109160A1

WO2023109160A1 - Air supply and return assembly and refrigerator

Info

Publication number: WO2023109160A1
Application number: PCT/CN2022/113124
Authority: WO
Inventors: 许婷婷; 黄承成; 朱涛
Original assignee: 合肥美的电冰箱有限公司; 合肥华凌股份有限公司; 美的集团股份有限公司
Priority date: 2021-12-13
Filing date: 2022-08-17
Publication date: 2023-06-22
Also published as: CN116263284A

Abstract

The present application provides an air supply and return assembly (10) and a refrigerator (200). The air supply and return assembly (10) is arranged between a first refrigeration compartment (210) and a second refrigeration compartment (220) of the refrigerator (200), and the air supply and return assembly (10) comprises an assembly body (11), an air damper (12), and an air damper fixing member (13). The assembly body (11) is provided with a first air supply channel (111) and a first air return channel (112), the first air supply channel (111) being connected between an air outlet (220a) of the second refrigeration compartment (220) and an air inlet (210a) of the first refrigeration compartment (210), and the first air return channel (112) being connected between an air outlet (210b) of the first refrigeration compartment (210) and an air inlet (220b) of the second refrigeration compartment (220). By integrating the assembly body (11), the air damper (12), and the air damper fixing member (13) into a single unit, the assembling efficiency is improved.

Description

Air supply and return air components and refrigerator

This application claims the priority of the Chinese patent application with the application number 2021115220377 filed on December 13, 2021, and the title of the invention is "Return Air Component and Refrigerator", which is fully incorporated into this application by reference.

technical field

The present application relates to the technical field of refrigerators, in particular to a supply and return air assembly and a refrigerator.

Background technique

In the common air-cooled refrigerators currently on the market, the air supply duct, air return duct and damper are usually arranged on the back side of the cabinet of the refrigerator. At the same time, the air supply duct, return air duct and damper are all independent structures. , each structure needs to be assembled one by one, and the assembly efficiency is low. Therefore, how to provide an air supply and return air assembly and a refrigerator with high assembly efficiency is an urgent problem to be solved at present.

Contents of the invention

The present application provides a return air assembly and a refrigerator to solve the technical problem of low refrigerator assembly efficiency in the prior art.

In order to solve the above problems, the present application provides a supply and return air assembly, the supply and return air assembly is used to be arranged between the first refrigerating compartment and the second refrigerating compartment of the refrigerator, the supply and return air assembly includes an assembly main body , a damper and a damper fixing member, the main body of the assembly has a first air supply channel and a first return air channel, and the first air supply channel is used to connect the air outlet of the second refrigerated compartment to the first Between the air inlets of the refrigerating compartment, the component body has a mounting groove, the damper fixing member is arranged in the mounting groove and fixes the damper to the component body, and the first return air passage is used for It is connected between the air outlet of the first refrigerated compartment and the air inlet of the second refrigerated compartment.

Wherein, the component body further includes a temperature insulation structure, and the temperature insulation structure is located between the first air supply channel and the first return air channel.

Wherein, the first air supply channel includes a first air supply inlet and a first air supply outlet, the first air supply inlet is used to connect the air outlet of the second refrigerated compartment, and the first air supply outlet It is used to connect the air inlet of the first refrigerating compartment, and the installation groove is arranged at the first air supply outlet.

Wherein, the installation slot is located in the first air supply channel, the air door fixing member fixes the air door in the first air supply channel, and/or, the installation slot is located in or the first return air channel, The damper fixing member fixes the damper to the first return air passage.

Wherein, the damper is a single damper structure or a multiple damper structure.

Wherein, the assembly body also has a second air supply channel and a second return air channel, and the refrigerator further includes a third refrigerating compartment arranged between the first refrigerating compartment and the second refrigerating compartment , the air supply and return assembly is used to be arranged between the first refrigerated compartment and the second refrigerated compartment, and located on the back side of the third refrigerated compartment, the second air supply channel is used Between the air outlet of the second refrigerated compartment and the air inlet of the third refrigerated compartment, the second return air channel is used to connect the air outlet of the third refrigerated compartment to the air inlet of the third refrigerated compartment. between the air inlets of the second refrigerated compartment.

Wherein, one end of the second return air passage facing the air inlet of the second refrigerated compartment communicates with the first return air passage, or, the second return air passage is connected to the first air return passage. A return air passage is two relatively independent passages.

Wherein, the installation groove is located in at least one of the first air supply channel, the first return air channel, the second air supply channel and the second return air channel, and the air door fixing member will The damper is fixed to at least one of the first air supply channel, the first return air channel, the second air supply channel and the second return air channel.

The present application also provides a refrigerator, which includes a first refrigerating compartment and a second refrigerating compartment. between a refrigerated compartment and said second refrigerated compartment.

Wherein, there is a return air duct in the second refrigerated compartment, and the return air duct communicates with the first return air passage.

Wherein, the refrigerator further includes an evaporator, and the evaporator is arranged on a side wall of the return air duct.

Wherein, the air outlet of the first refrigerated compartment faces the second refrigerated compartment, and the air inlet of the second refrigerated compartment faces the first refrigerated compartment.

Wherein, the air outlet of the first refrigerated compartment is opposite to the air inlet of the second refrigerated compartment.

Wherein, the first refrigerated compartment is located above the second refrigerated compartment, the air outlet of the first refrigerated compartment is located at the bottom of the first refrigerated compartment, and the inlet of the second refrigerated compartment is The air outlet is located at the top of the second refrigeration compartment.

The present application also provides a refrigerator. The refrigerator includes a first refrigerating compartment, a third refrigerating compartment and a second refrigerating compartment. The third refrigerating compartment is located between the first refrigerating compartment and the second refrigerating compartment. Between the refrigerating compartments, the refrigerator further includes the air supply and return assembly as described above, the air supply and return assembly is arranged between the first refrigerating compartment and the second refrigerating compartment, and is located in the Describe the back side of the third refrigerated compartment.

Wherein, there is a return air duct in the second refrigerated compartment, and the return air duct communicates with the first return air passage and the second return air passage.

Wherein, the air outlet of the first refrigerating compartment and the air outlet of the third refrigerating compartment are both facing the second refrigerating compartment, and the air inlet of the second refrigerating compartment is facing the first refrigerating compartment room.

Wherein, the first refrigerated compartment and the third refrigerated compartment are located above the second refrigerated compartment, the air outlet of the first refrigerated compartment is located at the bottom of the first refrigerated compartment, and the The air outlet of the third refrigerated compartment is located at the bottom of the third refrigerated compartment, and the air inlet of the second refrigerated compartment is located at the top of the second refrigerated compartment.

The beneficial effects of the embodiments of the present application are: the supply and return air assembly and the refrigerator provided by the application, the supply and return air assembly is used to be arranged between the first refrigeration compartment and the second refrigeration compartment of the refrigerator, the supply and return air assembly The return air assembly includes an assembly main body, an air door and an air door fixing member, the assembly main body has a first air supply channel and a first return air channel, and the first air supply channel is used to connect to the outlet of the second refrigeration compartment Between the tuyere and the air inlet of the first refrigerating compartment, the component body has a mounting groove, the damper fixing member is arranged in the mounting groove and fixes the damper to the component body, the first A return air channel is used to connect between the air outlet of the first refrigerating compartment and the air inlet of the second refrigerating compartment, by connecting the main body of the assembly, the air door and the air door fixing member. The integration forms a whole, which not only simplifies the type and quantity of parts, but also facilitates the operation, reduces the difficulty of assembly, saves man-hours, and improves assembly efficiency during the manufacturing process of the refrigerator.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative work, in which:

FIG. 1 is a schematic structural view of a first embodiment of a refrigerator provided by the present application;

Fig. 2 is an enlarged view of part A of Fig. 1;

Fig. 3 is a perspective view of a first viewing angle of the main body of the air supply and return air assembly provided by the present application;

Fig. 4 is a perspective view of a second perspective of the main body of the air supply and return air assembly provided by the present application;

Fig. 5 is a perspective view of the first viewing angle of the evaporator and return air duct of the refrigerator provided by the present application;

Fig. 6 is a perspective view of a second viewing angle of the evaporator and return air duct of the refrigerator provided by the present application;

Fig. 7 is a three-dimensional assembly view of the first embodiment of the supply and return air assembly provided by the present application;

Fig. 8 is a three-dimensional disassembled view of the first embodiment of the supply and return air assembly provided by the present application;

Fig. 9 is a three-dimensional assembly view of the second embodiment of the supply and return air assembly provided by the present application;

Fig. 10 is a three-dimensional disassembled view of the second embodiment of the supply and return air assembly provided by the present application;

Fig. 11 is a schematic structural diagram of a second embodiment of the refrigerator provided by the present application;

Fig. 12 is an enlarged view of part B of Fig. 11;

Fig. 13 is a three-dimensional assembly view of the third embodiment of the supply and return air assembly provided by the present application;

Fig. 14 is a front view of the supply and return air assembly provided in Fig. 13;

Fig. 15 is a cross-sectional view of the supply and return air assembly provided in Fig. 13 along line C-C shown in Fig. 14 .

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. It should be understood that the specific embodiments described here are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, for the convenience of description, only some structures related to the present application are shown in the drawings but not all structures. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

The terms "first", "second", etc. in this application are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units inherent in these processes, methods, products or apparatuses.

Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The occurrences of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is understood explicitly and implicitly by those skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to FIG. 1 , the present application provides a supply and return air assembly 10 and a refrigerator 200 including the supply and return air assembly 10 . The refrigerator 200 includes a first refrigerated compartment 210 , a second refrigerated compartment 220 and the air supply and return assembly 10 . The return air assembly 10 is configured to be disposed between the first refrigerated compartment 210 and the second refrigerated compartment 220 of the refrigerator 200 . The refrigerator 200 also includes a casing 201 and an evaporator 202 . The first refrigerated compartment 210 , the second refrigerated compartment 220 , and the air return assembly 10 are all disposed in the casing 201 . The evaporator 202 is disposed in the second refrigeration compartment 220 . The second refrigerated compartment 220 has a return air duct 221 inside. The return air duct 221 of the second refrigerated compartment 220 is located inside the second refrigerated compartment 220, so that the bubble layer structure on the back side of the second refrigerated compartment 220 is not occupied, and the second refrigerated compartment 220 can be reduced. The thickness of the bubble layer structure on the back side of the second refrigeration compartment 220 increases the volume of the refrigerator. The evaporator 202 is disposed on the side wall 221 a of the return air duct 221 . In this embodiment, the evaporator 202 is disposed on a side of the side wall 221 a of the return air duct 221 facing the inside of the second refrigerated compartment 220 .

The first refrigerated compartment 210 and the second refrigerated compartment 220 may be refrigerators, temperature changers and/or freezers. In this embodiment, the first refrigerated compartment 210 is a refrigerator, and the second refrigerated compartment 220 is a freezer. In some embodiments, the first refrigerated compartment 210 may be a thermostat, and the second refrigerated compartment 220 may be a freezer. In other embodiments, the first refrigerated compartment 210 may also be a refrigerator, and the second refrigerated compartment 220 may be another refrigerator. In other embodiments, the first refrigerated compartment 210 may also be a freezer, and the second refrigerated compartment 220 may be another freezer. The application scenarios of the first refrigerated compartment 210 and the second refrigerated compartment 220 are not limited to the types listed above, and can be flexibly adjusted according to actual needs. Referring to FIGS. 2-4 , the supply and return air assembly 10 includes an assembly main body 11 . The component body 11 has a first air supply channel 111 and a first air return channel 112 . The first air supply channel 111 is used to connect between the air outlet 220 a of the second refrigerated compartment 220 and the air inlet 210 a of the first refrigerated compartment 210 . The first return air channel 112 is used to connect between the air outlet 210 b of the first refrigerated compartment 210 and the air inlet 220 b of the second refrigerated compartment 220 . The component body 11 is an insulating material.

The first air supply channel 111 includes a first air supply inlet 111a and a first air supply outlet 111b. The first air supply inlet 111 a is used to connect to the air outlet 220 a of the second refrigerated compartment 220 . The first air outlet 111b is used to connect to the air inlet 210a of the first refrigerated compartment 210 . The first return air channel 112 includes a first return air inlet 112a and a first return air outlet 112b. The first return air inlet 112a is used to connect to the air outlet 210b of the first refrigeration compartment 210 . The first return air outlet 112b is used to connect to the air inlet 220b of the second refrigerated compartment 220 .

The air outlet 220a of the second refrigeration compartment 220 is connected to the first air supply inlet 111a of the first air supply passage 111 of the supply and return air assembly 10 . The first air outlet 111b of the first air passage 111 of the air supply and return assembly 10 is connected to the air inlet 210a of the first refrigerated compartment 210 .

Please refer to FIGS. 5-6 together. The air outlet 210 b of the first refrigerated compartment 210 is connected to the first return air inlet 112 a of the first return air channel 112 of the air supply and return air assembly 10 . The first return air outlet 112b of the first return air passage 112 of the return air assembly 10 is connected to the air inlet 220b of the second refrigerated compartment 220 . The return air duct 221 communicates with the first return air passage 112 . One end of the return air duct 221 facing the first refrigerated compartment 210 is an air inlet 220 b of the second refrigerated compartment 220 . The return air duct 221 has a fan-shaped structure. When the airflow enters the return air duct 221 from the air inlet 220b of the second refrigeration compartment 220, the return air duct 221 along the back side of the refrigerator 200 The width gradually expands, so that the evaporator 202 quickly cools down the returning airflow, increasing the cooling speed of the refrigerator 200 .

During the working process of the refrigerator 200, the airflow is output from the air outlet 220a of the second refrigerated compartment 220 to the first air supply inlet of the first air supply channel 111 of the supply and return air assembly 10 111a thus enters the first air supply channel 111, then passes through the first air supply channel 111, and is output from the first air supply outlet 111b to the air inlet 210a of the first refrigerated compartment 210 to enter the first air supply channel 111. The refrigerated compartment 210, and then enters the first return air inlet 112a of the first return air channel 112 of the return air passage 112 from the air outlet 210b of the first refrigerate compartment 210 to enter the The first return air channel 112 passes through the first return air channel 112, and is output from the first return air outlet 112b to the air inlet 220b of the second refrigerated compartment 220, thereby entering the second refrigerated compartment. The chamber 220 forms an air circulation.

A sealing member may be provided at one end of the first air supply passage 111 and the first return air passage 112 facing the first refrigerated compartment 210 to ensure that the return air assembly 10 and the first refrigerated compartment A sealed connection between the chambers 210. A sealing member may also be provided at the end of the first air supply passage 111 and the first return air passage 112 facing the second refrigeration compartment 220 to ensure that the supply and return air assembly 10 and the second refrigeration compartment A sealed connection between the compartments 220.

The air outlet 210b of the first refrigerated compartment 210 faces the second refrigerated compartment 220 , and the air inlet 220b of the second refrigerated compartment 220 faces the first refrigerated compartment 210 .

In the prior art, usually the return air channel needs to pass through the backside area of the first refrigerated compartment to communicate with the evaporator, which leads to condensation and icing in the return air channel located at the back side area of the first refrigerated compartment. , which leads to a reduction in the energy efficiency of the refrigerator. In this application, the air supply and return assembly 10 is arranged between the first refrigerating compartment 210 and the second refrigerating compartment 220, avoiding being located at the back of the first refrigerating compartment. The return air channel in the side area is prone to condensation and icing, which leads to the reduction of the energy efficiency of the refrigerator. The air inlet 220b of the second refrigerated compartment 220 faces the first refrigerated compartment 210, which shortens the return distance of the airflow and further improves the energy efficiency of the refrigerator.

In some embodiments, the air outlet 210b of the first refrigerated compartment 210 and the air inlet 220b of the second refrigerated compartment 220 can be oppositely arranged, which can further shorten the distance of air flow backflow and improve the energy efficiency of the refrigerator.

In some embodiments, the air outlet 210b of the first refrigerated compartment 210 may be located at the bottom 210c of the first refrigerated compartment 210, and the air inlet 220b of the second refrigerated compartment 220 may be located at the second The top 220c of the refrigeration compartment 220 . In the prior art, in order to prevent condensation and freezing of the return air passage, a bubble layer structure is usually arranged between the back side area of the first refrigeration compartment and the return air passage, and the bubble layer structure will cause the space of the refrigerator box The utilization rate is low. In this application, the supply and return air assembly 10 is arranged between the first refrigerated compartment 210 and the second refrigerated compartment 220 , and the air outlet 210b of the first refrigerated compartment 210 It can be located at the bottom 210c of the first refrigerated compartment 210, and the air inlet 220b of the second refrigerated compartment 220 can be located at the top 220c of the second refrigerated compartment 220, and it can avoid being located in the second refrigerated compartment without setting a bubble layer structure. Condensation and icing are likely to occur in the return air channel in the back side area of a refrigeration compartment. Therefore, the air supply and return air assembly provided by the present application can also improve the utilization rate of the cabinet space of the refrigerator.

The component body 11 also includes a heat insulation structure 101 . In some embodiments, the thermal insulation structure 101 can be made of foam material. The temperature insulation structure 101 is located between the first air supply channel 111 and the first return air channel 112, so as to reduce heat exchange between the first air supply channel 111 and the first return air channel 112, The energy efficiency of the refrigerator 200 is improved.

The outer surface 11a of the assembly main body 11 of the air supply and return air assembly 10 may also be provided with several reinforcing ribs 102, so as to ensure the structural strength of the assembly main body 11 while reducing the overall weight. The extending direction of the reinforcing ribs 102 can be flexibly set according to actual needs, for example, it can be horizontal, vertical, crisscross, or inclined.

Referring to FIGS. 7-10 , the air supply and return assembly 10 also includes a damper 12 and a damper fixing member 13 . The component body 11 has a mounting groove 111c. The damper fixing member 13 is disposed in the installation groove 111 c and fixes the damper 12 to the assembly main body 11 .

In this embodiment, one end of the first air supply channel 111 facing the first refrigerated compartment 210 has a mounting groove 111c. The damper fixing member 13 is disposed in the installation groove 111 c and fixes the damper 12 in the first air supply channel 111 . The installation groove 111c has a side surface 111d and a stepped surface 111e. The stepped surface 111e faces the first air outlet 111b. The damper 12 may be disposed between the stepped surface 111 e and the damper fixing member 13 .

In this embodiment, the air door 12 and the air door fixing member 13 are located in the first air supply channel 111 . In some embodiments, the air door 12 and the air door fixing member 13 may also be located in the first return air passage 112 . Correspondingly, the installation slot 111c may be located in the first return air passage 112 . In some embodiments, the air door 12 and the air door fixing member 13 may also be located in the first air supply channel 111 and the first return air channel 112 at the same time. Correspondingly, the installation groove 111c may also be located in the first air supply channel 111 and the first return air channel 112 at the same time.

In FIGS. 7-8, the damper 12 is a single damper structure. In FIGS. 9-10 , the damper 12 has a multi-damper structure. Specifically, the damper 12 can be a double damper, a triple damper, and the like.

The damper fixing part 13 can be made of foam material, designed to match the dampers of different types of refrigerators, only need to change the shape of the damper fixing part 13 to adapt to the dampers of various types of refrigerators. For example, when the damper 12 is a single damper structure, a through hole matching the shape of the damper 12 can be opened on the damper fixing part 13; when the damper 12 is a double damper structure, the damper fixing part 13 Two through holes matching the shape of the damper 12 can be opened; when the shape of the installation groove 111c changes, the shape of the damper fixing member 13 can be changed for adaptation.

In the return air assembly 10, the assembly main body 11 having the first air supply passage 111 and the first return air passage 112, the damper 12 and the damper fixing member 13 are integrated, Thereby forming a whole, not only simplifying the type and quantity of parts.

During the assembly process of the refrigerator 200, the air supply and return assembly 10 can be attached to the first refrigerating compartment 210 and the Between the second refrigerated compartment 220, or between the first refrigerated compartment 210 and the second refrigerated compartment 220, the return air duct 221 can It is fixed with the second refrigerating compartment 220 by buckles or screws. In the process of aligning the air supply and return air assembly 10 with the first refrigerated compartment 210 and the second refrigerated compartment 220, it is only necessary to align the first air supply channel 111 with the second refrigerated compartment. The air outlet 220a of the chamber 220 is aligned with the air inlet 210a of the first refrigerated compartment 210, and the first return air passage 112 is connected to the air inlet 220b of the second refrigerated compartment 220. The assembly can be completed by aligning with the air outlet 210b of the first refrigerated compartment 210, which is easy to operate, reduces the difficulty of assembly, saves man-hours, and improves assembly efficiency.

In some embodiments, please refer to FIGS. 11-12 , the refrigerator 200 may further include a third refrigeration compartment 230 . The third refrigerated compartment 230 is located between the first refrigerated compartment 210 and the second refrigerated compartment 220 . The return air assembly 10 is configured to be disposed between the first refrigerated compartment 210 and the second refrigerated compartment 220 , and located at the back side 230 a of the third refrigerated compartment 230 . The component body 11 also has a second air supply channel 113 and a second air return channel 114 . The second air supply channel 113 is used to connect between the air outlet 220 a of the second refrigerated compartment 220 and the air inlet 230 b of the third refrigerated compartment 230 . The second return air channel 114 is used to connect between the air outlet 230c of the third refrigerated compartment 230 and the air inlet 220b of the second refrigerated compartment 220 . The third refrigerated compartment 230 may be a refrigerator, a temperature changer or a freezer.

The second air supply channel 113 includes a second air supply inlet 113a and a second air supply outlet 113b. The second air supply inlet 113 a is used to connect to the air outlet 220 a of the second refrigerated compartment 220 . The second air outlet 113b is used to connect to the air inlet 230b of the third refrigerated compartment 230 . The second return air channel 114 includes a second return air inlet 114a and a second return air outlet 114b. The second return air inlet 114a is used to connect to the air outlet 230c of the third refrigerated compartment 230 . The second return air outlet 114b is used to connect to the air inlet 220b of the second refrigerated compartment 220 .

The air outlet 220a of the second refrigeration compartment 220 is connected to the second air supply inlet 113a of the second air supply passage 113 of the supply and return air assembly 10 . The second air outlet 113b of the second air passage 113 of the air supply and return assembly 10 is connected to the air inlet 230b of the third refrigerated compartment 230 . The air outlet 230c of the third refrigeration compartment 230 is connected to the second return air inlet 114a of the second return air channel 114 of the return air assembly 10 . The second return air outlet 114b of the second return air channel 114 of the return air assembly 10 is connected to the air inlet 220b of the second refrigerated compartment 220 .

During the working process of the refrigerator 200, the airflow is output from the air outlet 220a of the second refrigerated compartment 220 to the second air inlet of the second air supply channel 113 of the air supply and return air assembly 10. 113a thus enters the second air supply channel 113, then passes through the second air supply channel 113, and is output from the second air supply outlet 113b to the air inlet 230b of the third refrigerated compartment 230 to enter the The third refrigerated compartment 230, then enters the second return air inlet 114a of the second return air passage 114 of the return air assembly 10 from the air outlet 230c of the third refrigerate compartment 230 to enter The second return air passage 114 then passes through the second return air passage 114, and is output from the second return air outlet 114b to the air inlet 220b of the second refrigerated compartment 220, thereby entering the second The cooling compartment 220 forms an air circulation.

A sealing member may be provided at the end of the second air supply passage 113 and the second return air passage 114 facing the third refrigerated compartment 230 to ensure that the return air assembly 10 and the third refrigerated compartment A sealed connection between the chambers 230. A seal can also be provided at the end of the second air supply passage 113 and the second return air passage 114 facing the second refrigeration compartment 220 to ensure that the supply and return air assembly 10 and the second refrigeration compartment A sealed connection between the compartments 220.

In this embodiment, the second return air outlet 114b of the second return air passage 114 is connected to the first return air passage 112, so that the inside of the first return air passage 112 and the second return air passage 114 The airflow converges into the air inlet 220b of the second refrigerated compartment 220, so that the pipeline structure is more compact and the return air efficiency is improved. In other embodiments, in order to simplify the difficulty of duct fabrication, the second return air passage 114 and the first return air passage 112 may also be two relatively independent passages, that is, the second return air passage 114 It does not communicate with the first return air passage 112 .

The air outlet 210b of the first refrigerated compartment 210 and the air outlet 230c of the third refrigerated compartment 230 both face the second refrigerated compartment 220, and the air inlet 220b of the second refrigerated compartment 220 faces the second refrigerated compartment 220. The first refrigerated compartment 210 shortens the return distance of the airflow and avoids the return air channel that needs to pass through the back side of the first refrigerated compartment 210 and the third refrigerated compartment 230 in the prior art. dew and icing, thus increasing the energy efficiency of the refrigerator.

In one embodiment, the air outlet 210b of the first refrigerating compartment 210 is opposite to the air inlet 220b of the second refrigerating compartment 220, which further shortens the return distance of the airflow and improves the energy efficiency of the refrigerator.

In one embodiment, the air outlet 210b of the first refrigerated compartment 210 is located at the bottom 210c of the first refrigerated compartment 210, and the air outlet 230c of the third refrigerated compartment 230 is located at the bottom 210c of the third refrigerated compartment 210. The bottom 230d of the compartment 230 , the air inlet 220b of the second refrigerated compartment 220 is located at the top 220c of the second refrigerated compartment 220 . The air flowing back from the first refrigerated compartment 210 and the third refrigerated compartment 230 directly passes through the bottom 210c of the first refrigerated compartment 210 and the bottom 230d of the third refrigerated compartment 230. The first return air channel 112 and the second return air channel 114 of the return air assembly 10 can enter the air inlet 220b of the second refrigeration compartment 220, which not only shortens the distance of air return, but also avoids The bubble layer structure provided to prevent condensation and icing in the return air channel leads to the problem of low space utilization of the refrigerator box, thus improving the space utilization rate of the refrigerator box.

Please refer to Figures 13-15 together, the outer surface 11a of the assembly main body 11 of the air supply and return air assembly 10 can also be provided with several reinforcing ribs 102, so as to reduce the overall weight while ensuring that the assembly main body 11 structural strength. The extending direction of the reinforcing ribs 102 can be flexibly set according to actual needs, for example, it can be horizontal, vertical, crisscross, or inclined. The inner walls of the first air supply channel 111 , the first return air channel 112 , the second air supply channel 113 and the second return air channel 114 are streamlined to facilitate the flow of air.

The installation slot 111c is located in at least one of the first air supply channel 111 , the first return air channel 112 , the second air supply channel 113 and the second return air channel 114 . The damper fixing member 13 fixes the damper 12 in the first air supply passage 111 , the first return air passage 112 , the second air supply passage 113 and the second return air passage 114 . the at least one channel.

In some embodiments, the installation slot 111c may be located in the first air supply channel 111 . The damper fixing member 13 fixes the damper 12 to the first air supply channel 111 .

In some embodiments, the installation groove 111c may be located in the first air supply channel 111 and the second air supply channel 113 . The damper fixing member 13 fixes the damper 12 to the first air supply channel 111 and the second air supply channel 113 .

In some embodiments, the installation groove 111c may be located in the second air supply channel 113 and the second air return channel 114 . The damper fixing member 13 fixes the damper 12 to the second air supply channel 113 and the second air return channel 114 .

In some embodiments, the installation groove 111c is located in the second return air passage 114 . The damper fixing member 13 fixes the damper 12 to the second return air passage 114 .

It can be understood that the positions of the installation slot 111c, the air door 12 and the air door fixing member 13 can be flexibly set according to actual needs.

The damper 12 is a single damper structure or a multiple damper structure.

In the air supply and return assembly 10, the first air supply channel 111, the first return air channel 112, the second air supply channel 113 and the second return air channel 114 are provided. The assembly main body 11, the air door 12 and the air door fixing member 13 are integrated to form a whole, which not only simplifies the type and quantity of parts.

During the assembly process of the refrigerator 200, the air supply and return assembly 10 can be attached to the first refrigerating compartment 210 and the Between the second refrigerated compartment 220 and the back side of the third refrigerated compartment 230, or use screws or rivets to fix the return air assembly 10 to the first refrigerated compartment 210 and the second refrigerated compartment. Between the compartments 220 and on the back side of the third refrigerated compartment 230 , the return air duct 221 may be fixed to the second refrigerated compartment 220 by buckles or screws. During the alignment process of the return air assembly 10 and the first refrigerated compartment 210, the third refrigerated compartment 230 and the second refrigerated compartment 220, only the first air supply The channel 111 is aligned with the air outlet 220a of the second refrigerated compartment 220 and the air inlet 210a of the first refrigerated compartment 210, and connects the second air supply channel 113 to the second refrigerated compartment. The air outlet 220a of the compartment 220 is aligned with the air inlet 230b of the third refrigerated compartment 230, if the second return air outlet 114b of the second return air passage 114 is connected to the first A return air channel 112, the first return air channel 112 is aligned with the air inlet 220b of the second refrigerated compartment 220 and the air outlet 210b of the first refrigerated compartment 210, and the The second return air passage 114 is aligned with the air outlet 230c of the third refrigerated compartment 230 to complete the assembly, or if the second return air passage 114 is opposite to the first return air passage 112 If two channels are independent, the first air return channel 112 is aligned with the air inlet 220b of the second refrigerated compartment 220 and the air outlet 210b of the first refrigerated compartment 210, and the The assembly can be completed by aligning the second return air passage 114 with the air inlet 220b of the second refrigerating compartment 220 and the air outlet 230c of the third refrigerating compartment 230, which is easy to operate and reduces the Difficulty in assembly saves man-hours and improves assembly efficiency.

The air supply and return assembly and the refrigerator provided by the present application, the air supply and return assembly is used to be arranged between the first refrigerating compartment and the second refrigerating compartment of the refrigerator, the air supply and return assembly includes a main body, a damper and The damper fixing part, the assembly body has a first air supply channel and a first return air channel, and the first air supply channel is used to connect the air outlet of the second refrigerated compartment to the first refrigerated compartment Between the air inlets, the component body has a mounting groove, the damper fixing part is arranged in the mounting groove, and the damper is fixed to the component body, and the first return air channel is used to connect to the Between the air outlet of the first refrigerating compartment and the air inlet of the second refrigerating compartment, by integrating the main body of the assembly, the damper and the fixing member of the damper, a whole is formed, not only The type and quantity of parts are simplified, and at the same time, in the manufacturing process of the refrigerator, the operation is convenient, the difficulty of assembly is reduced, man-hours are saved, and the assembly efficiency is improved.

The above is only the implementation of the application, and does not limit the patent scope of the application. Any equivalent structure or equivalent process conversion made by using the specification and drawings of the application, or directly or indirectly used in other related All technical fields are equally included in the patent protection scope of the present application.

Claims

A supply and return air assembly, characterized in that the supply and return air assembly is used to be arranged between the first refrigerating compartment and the second refrigerating compartment of the refrigerator, and the supply and return air assembly includes an assembly main body, a damper and a damper The fixing part, the main body of the assembly has a first air supply channel and a first return air channel, and the first air supply channel is used to connect the air outlet of the second refrigerated compartment to the air outlet of the first refrigerated compartment. Between the air inlets, the component body has a mounting groove, the damper fixing member is arranged in the mounting groove and fixes the damper to the component body, and the first air return channel is used to connect to the Between the air outlet of the first refrigerated compartment and the air inlet of the second refrigerated compartment.
The air supply and return air assembly according to claim 1, wherein the assembly main body further comprises a temperature insulation structure, and the temperature insulation structure is located between the first air supply passage and the first return air passage.
The air supply and return assembly according to claim 1, wherein the first air supply channel comprises a first air supply inlet and a first air supply outlet, and the first air supply inlet is used to connect the second air supply The air outlet of the refrigerated compartment, the first air supply outlet is used to connect to the air inlet of the first refrigerated compartment, and the installation groove is arranged on the first air supply outlet.
The air supply and return assembly according to claim 1, wherein the installation groove is located in the first air supply passage, and the damper fixing member fixes the damper to the first air supply passage, and/or Or, the installation groove is located at or in the first return air passage, and the damper fixing member fixes the damper to the first return air passage.
The air supply and return assembly according to any one of claims 1-4, wherein the damper is a single damper structure or a multiple damper structure.
The air supply and return assembly according to claim 1, wherein the main body of the assembly further has a second air supply passage and a second return air passage, and the refrigerator also includes The third refrigerated compartment between the second refrigerated compartments, the air supply and return assembly is used to be arranged between the first refrigerated compartment and the second refrigerated compartment, and is located in the third refrigerated compartment The back side of the compartment, the second air supply channel is used to connect between the air outlet of the second refrigerated compartment and the air inlet of the third refrigerated compartment, and the second air return channel is used for It is connected between the air outlet of the third refrigerated compartment and the air inlet of the second refrigerated compartment.
The air supply and return air assembly according to claim 6, characterized in that, one end of the second air return channel facing the air inlet of the second refrigerated compartment communicates with the first return air channel , or, the second return air passage and the first return air passage are two relatively independent passages.
The air supply and return assembly according to claim 6, wherein the installation slots are located at the first air supply channel, the first return air channel, the second air supply channel and the second return air channel. At least one of the air passages, the damper fixing member fixes the damper to the first air supply passage, the first return air passage, the second air supply passage and the second return air passage The at least one channel in .
The air supply and return assembly according to any one of claims 6-8, wherein the damper is a single damper structure or a multiple damper structure.
A refrigerator comprising a first refrigerating compartment and a second refrigerating compartment, characterized in that the refrigerator further comprises the air supply and return assembly according to any one of claims 1-5, the return air The wind assembly is arranged between the first refrigerated compartment and the second refrigerated compartment.
The refrigerator according to claim 10, wherein a return air duct is provided in the second refrigerated compartment, and the return air duct communicates with the first return air passage.
The refrigerator according to claim 11, further comprising an evaporator disposed on a side wall of the return air duct.
The refrigerator according to claim 10, wherein the air outlet of the first refrigerated compartment faces the second refrigerated compartment, and the air inlet of the second refrigerated compartment faces the first refrigerated compartment .
The refrigerator according to claim 13, wherein the air outlet of the first refrigerating compartment is opposite to the air inlet of the second refrigerating compartment.
The refrigerator according to claim 13, wherein the first refrigerating compartment is located above the second refrigerating compartment, and the air outlet of the first refrigerating compartment is located at the top of the first refrigerating compartment At the bottom, the air inlet of the second refrigerated compartment is located at the top of the second refrigerated compartment.
A refrigerator comprising a first refrigerating compartment, a third refrigerating compartment and a second refrigerating compartment, the third refrigerating compartment is located between the first refrigerating compartment and the second refrigerating compartment It is characterized in that the refrigerator further includes the air supply and return assembly according to any one of claims 6-9, the air supply and return assembly is arranged in the first refrigerating compartment and the second refrigerating compartment between the compartments and located on the back side of the third refrigerated compartment.
The refrigerator according to claim 16, wherein a return air duct is provided in the second refrigerating compartment, and the return air duct communicates with the first return air passage and the second return air passage.
The refrigerator according to claim 17, further comprising an evaporator disposed on a side wall of the return air duct.
The refrigerator according to claim 16, wherein the air outlet of the first refrigerating compartment and the air outlet of the third refrigerating compartment both face the second refrigerating compartment, and the second refrigerating compartment The air inlet of the compartment faces the first refrigerated compartment.
The refrigerator according to claim 19, wherein the air outlet of the first refrigerating compartment is opposite to the air inlet of the second refrigerating compartment.
The refrigerator according to claim 19, wherein the first refrigerating compartment and the third refrigerating compartment are located above the second refrigerating compartment, and the air outlet of the first refrigerating compartment is located at the top of the second refrigerating compartment. the bottom of the first refrigerated compartment, the air outlet of the third refrigerated compartment is located at the bottom of the third refrigerated compartment, and the air inlet of the second refrigerated compartment is located at the top of the second refrigerated compartment .