CN113532005A

CN113532005A - Refrigerator air duct structure and refrigerator with same

Info

Publication number: CN113532005A
Application number: CN202110837257.2A
Authority: CN
Inventors: 王瑶; 张魁仓; 张波
Original assignee: Changhong Meiling Co Ltd
Current assignee: Changhong Meiling Co Ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2021-10-22

Abstract

The invention discloses a refrigerator air duct structure and a refrigerator with the same, and relates to the technical field of refrigerator air ducts. The invention comprises a bubble layer air duct; the foam layer air duct is arranged between the refrigerating box liner and the freezing box liner; an air supply duct is arranged in the middle of the bubble layer duct close to the rear part of the refrigerator body; two sides of the air supply duct are respectively provided with an air return duct at least; an air inlet A corresponding to the air supply duct is formed in the refrigerating box liner; the freezer liner is provided with an air inlet B corresponding to the air supply duct, and the air inlet A and the air inlet B are communicated through the air supply duct; an air return opening A is respectively arranged at two sides of the air inlet A; both sides of the air inlet B are respectively provided with an air return inlet B; the return air duct communicates the return air inlet A with the return air inlet B; the back of the refrigerator liner is provided with a refrigerating air duct. The invention solves the problem of frosting and icing at the bottom of the refrigerating chamber of the traditional overhead evaporator refrigerator by adopting the foam air return integrated design between the refrigerating chamber and the freezing chamber.

Description

Refrigerator air duct structure and refrigerator with same

Technical Field

The invention belongs to the technical field of refrigerator air ducts, and particularly relates to a refrigerator air duct structure and a refrigerator with the same.

Background

The existing top-hidden bottom-frozen refrigerator adopts the design of an overhead evaporator, the evaporator is positioned at the top of a freezing chamber and is obliquely placed, a refrigerating fan is placed at the rear side of the evaporator, an evaporator cover plate is installed at the lower side of the evaporator, and a plurality of air openings are designed at the front side of the evaporator cover plate. The back of the freezing chamber is provided with a freezing air duct, a plurality of air outlets are designed on the freezing air duct, and the evaporator cover plate is connected with the freezing air duct. The refrigeration air-conditioner can convey the cold air of evaporimeter department in freezing wind channel during operation, blow freezing indoor portion through the air outlet on freezing wind channel to freezing indoor portion, refrigerate the cooling to freezing indoor portion, and the air that advances the incasement heat exchange reaches the evaporimeter front side through the wind gap of evaporimeter apron front side and refrigerates the cooling once more, so carry out manifold cycles.

A refrigeration air supply duct and a refrigeration air return duct are usually arranged in the foaming layers of the freezing chamber and the refrigerating chamber, the refrigeration air supply duct is positioned at the rear side of the refrigerating chamber, and the refrigeration air return duct is positioned at the front side of the refrigerating chamber. The refrigeration fan during operation except supplying air to the freezer, the refrigeration fan sends the air conditioning of evaporimeter department to cold-stored wind channel in through this cold-stored air supply wind channel simultaneously to reach cold-stored room through the air outlet in cold-stored wind channel, refrigerate the cooling to cold-stored room, the air of advancing the incasement heat exchange passes through cold-stored return air wind channel and reachs the evaporimeter front side and refrigerate the cooling once more, so carry out manifold cycles.

However, in the design, the refrigerating return air duct is positioned on the front side of the refrigerating chamber, and a user can see the air opening when opening the refrigerator, so that the refrigerator is quite unattractive. Meanwhile, the air port penetrates through the evaporator bin, the temperature of the air port is low due to cold leakage of the evaporator, the bottom of the cold storage chamber is easy to frost and freeze, the reliability of the refrigerator is low, and a large amount of complaints of users are caused.

Disclosure of Invention

The invention aims to provide a refrigerator air duct structure and a refrigerator with the same.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an air duct structure of a refrigerator, which comprises a bubble layer air duct; the foam layer air duct is arranged between the refrigerating box liner and the freezing box liner; an air supply duct is arranged in the middle of the bubble layer air duct close to the rear part of the refrigerator body; two sides of the air supply duct are respectively provided with an air return duct at least; an air inlet A corresponding to the air supply duct is formed in the refrigerating box liner; and the freezer liner is provided with an air inlet B corresponding to the air supply duct, and the air inlet A and the air inlet B are communicated through the air supply duct.

Furthermore, two sides of the air inlet A are respectively provided with an air return inlet A; an air return opening B is respectively arranged at two sides of the air inlet B; and the return air duct communicates the return air inlet A with the return air inlet B.

Furthermore, a refrigerating air duct is arranged at the back of the refrigerating box liner; and the refrigerating air duct is provided with an air inlet C connected with the air inlet A.

Furthermore, a freezing air duct is arranged at the rear side of the inner container of the freezing box; and the freezing air duct is provided with a plurality of air outlets.

Furthermore, an included angle is formed between the installed return air duct and the horizontal plane, and a communication opening A and a communication opening B are respectively arranged at two ends of the return air duct.

Furthermore, the foam at the lower part of the return air duct is thicker than the foam at the upper part of the return air duct.

A refrigerator comprises a refrigerator liner and a freezer liner; the top of the refrigerating box liner is provided with an evaporator corresponding to the communication port B; an evaporator cover plate is arranged on the lower side of the evaporator; and a refrigerating fan is arranged at the rear side of the evaporator and used for conveying the cold energy of the evaporator to the refrigerating chamber of the refrigerator through an air supply duct.

Furthermore, a plurality of freezing air return inlets are formed in the front side of the evaporator cover plate.

The invention has the following beneficial effects:

1. the refrigerator liner is arranged between the refrigerator liner and the freezer liner through the foam layer air duct, and has the advantages of simple structure, simple assembly process and high assembly efficiency.

2. According to the refrigerator, the air inlet B corresponding to the air supply duct is formed in the inner container of the refrigerator, the air inlet A and the air inlet B are communicated through the air supply duct, and the problem that the bottom of the refrigerating chamber of the conventional overhead evaporator refrigerator is frosted and frozen is solved by adopting a foam air return integrated design between the refrigerating chamber and the freezing chamber, meanwhile, the refrigerating return air area is increased by the design, and the air duct circulation efficiency of the refrigerating chamber is improved.

3. The air return duct is installed to form an included angle with the horizontal plane, the two ends of the air return duct are respectively provided with the communicating port A and the communicating port B, water is prevented from being stored in the air return duct, and the foam on the lower portion of the air return duct is thicker than the foam on the upper portion of the air return duct, so that the freezing in the air return duct can be prevented.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the internal structure of an air duct structure of a refrigerator according to the present invention;

FIG. 2 is a schematic cross-sectional view of the refrigerator and freezer liners;

FIG. 3 is a schematic view of the structure of the refrigerator liner;

FIG. 4 is a schematic view of the structure of the freezer compartment liner;

FIG. 5 is a schematic view of the structure of the freezing air return opening and the air outlet;

FIG. 6 is a schematic structural view of a bubble layer duct;

in the drawings, the components represented by the respective reference numerals are listed below:

1-bubble layer air duct, 2-refrigerator container, 3-refrigerator container, 4-refrigerator air duct, 5-evaporator, 6-evaporator cover plate, 7-refrigerating fan, 8-freezing air duct, 11-air supply air duct, 12-return air duct, 21-air inlet A, 22-return air inlet A, 31-air inlet B, 32-return air inlet B, 41-air inlet C, 61-freezing return air inlet, 81-air outlet, 121-communication port A, 122-communication port B.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-2, the present invention is an air duct structure of a refrigerator, including a bubble layer air duct 1; the foam layer air duct 1 is arranged between the refrigerator liner 2 and the freezer liner 3, and has simple structure, simple assembly process and high assembly efficiency; an air supply duct 11 is arranged in the middle of the foam layer air duct 1 close to the rear part of the refrigerator body, the air supply duct 11 is communicated with the refrigerator liner 2 and the refrigerator liner 3, and the refrigerating fan 7 can convey the refrigerating capacity of the refrigerated top evaporator 5 to the refrigerating chamber through the air supply duct 11 when working; the two sides of the air supply duct 11 are respectively provided with at least one return air duct 12, and through the air supply and return structural design of the refrigerating chamber, the foam air return integrated design is adopted between the refrigerating chamber and the freezing chamber, so that the problem that the bottom of the refrigerating chamber of the conventional overhead evaporator refrigerator is frosted and frozen is solved, meanwhile, the refrigerating return air area is increased, and the air duct circulation efficiency of the refrigerating chamber is improved; an air inlet A21 corresponding to the air supply duct 11 is arranged on the refrigerating box liner 2; the freezer container 3 is provided with an air inlet B31 corresponding to the air supply duct 11, and the air inlet A21 and the air inlet B31 are communicated through the air supply duct 11.

As shown in fig. 4, both sides of the air inlet a21 are respectively provided with an air return opening a 22; two sides of the air inlet B31 are respectively provided with an air return opening B32; the return air duct 12 communicates the return air inlet a22 with the return air inlet B32.

As shown in fig. 1-2, a refrigerating air duct 4 is arranged at the back of the refrigerating box liner 2; the refrigerating air duct 4 is provided with an air inlet C41 connected with the air inlet a 21.

As shown in fig. 1-2, a freezing air duct 8 is installed at the rear side of the freezer liner 3; the freezing air duct 8 is provided with a plurality of air outlets 81.

As shown in fig. 2 and 6, the air return duct 12 is installed to form an included angle with the horizontal plane, and the two ends of the air return duct 12 are respectively provided with a communication port a121 and a communication port B122 to prevent water from being stored in the air return duct 12, and the foam at the lower part of the air return duct 12 is thicker than the foam at the upper part, so as to prevent the air return duct 12 from being frozen. The foam at the lower part of the return air duct 12 is thicker than the foam at the upper part of the return air duct 12, so that the return air duct 12 has a thicker heat-insulating layer near a freezing area, and does not need thicker foam near a cold storage area, thereby preventing the freezing in the return air duct 12.

Example two

On the basis of the first embodiment, the application also provides a refrigerator, which comprises a refrigerating box liner 2 and a freezing box liner 3; the top of the freezer container 3 is provided with an evaporator 5 corresponding to the communicating opening B122; an evaporator cover plate 6 is arranged at the lower side of the evaporator 5; a refrigerating fan 7 is arranged at the rear side of the evaporator 5, and the refrigerating fan 7 conveys the cold energy of the evaporator 5 to the refrigerating chamber of the refrigerator through an air supply duct 11. A plurality of freezing air return openings 61 are arranged on the front side of the evaporator cover plate 6, and hot air in the refrigerating chamber circulates to the bin of the evaporator 5 through the freezing air return openings 61 to be refrigerated and cooled.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A refrigerator air duct structure comprises a bubble layer air duct (1); the foam layer air duct (1) is arranged between the refrigerating box liner (2) and the freezing box liner (3); the method is characterized in that:

an air supply duct (11) is arranged in the middle of the bubble layer air duct (1) close to the rear part of the refrigerator body; two sides of the air supply duct (11) are respectively provided with at least one return air duct (12);

an air inlet A (21) corresponding to the air supply duct (11) is formed in the refrigerating box liner (2);

an air inlet B (31) corresponding to the air supply duct (11) is formed in the freezer container (3), and the air inlet A (21) and the air inlet B (31) are communicated through the air supply duct (11).

2. The air duct structure of the refrigerator as claimed in claim 1, wherein an air return opening a (22) is disposed on each of two sides of the air inlet a (21);

an air return opening B (32) is respectively arranged at two sides of the air inlet B (31);

the return air duct (12) is used for communicating the return air inlet A (22) with the return air inlet B (32).

3. The refrigerator air duct structure according to claim 1 or 2, characterized in that a refrigerating air duct (4) is installed at the back of the refrigerating cabinet liner (2); and the refrigerating air duct (4) is provided with an air inlet C (41) connected with the air inlet A (21).

4. The air duct structure of the refrigerator as claimed in claim 1, wherein a freezing air duct (8) is installed at the rear side of the freezer compartment liner (3); and the freezing air duct (8) is provided with a plurality of air outlets (81).

5. The air duct structure of the refrigerator as claimed in claim 1 or 4, wherein the air return duct (12) forms an included angle with the horizontal plane after being installed, and both ends of the air return duct (12) are respectively provided with a communication port A (121) and a communication port B (122).

6. The air duct structure for the refrigerator as claimed in claim 5, wherein the lower foam of the return air duct (12) is thicker than the upper foam of the return air duct (12).

7. A refrigerator comprises a refrigerator liner (2) and a freezer liner (3); the method is characterized in that:

the top of the freezing box liner (3) is provided with an evaporator (5) corresponding to the communication port B (122); an evaporator cover plate (6) is arranged on the lower side of the evaporator (5);

a refrigerating fan (7) is installed on the rear side of the evaporator (5), and the refrigerating fan (7) conveys the cold energy of the evaporator (5) to a refrigerating chamber of the refrigerator through an air supply duct (11).

8. The refrigerator according to claim 7, wherein the evaporator cover plate (6) is opened at its front side with a plurality of freezing return air openings (61).