Cold storage air duct

Abstract

The utility model relates to the technical field of air duct structures, in particular to a cold storage air duct which is installed in a refrigerator and comprises an evaporator with an evaporator inlet and outlet pipe arranged on the heat exchange side, and an air return port and an air outlet are formed in the evaporator. A draught fan is installed at the air return opening and used for driving air to flow through the heat exchange side through the air return opening and to be exhausted into the refrigerator through the air outlet. According to the cold storage air duct, a traditional air duct structure does not need to be independently arranged in the box body, the space in the box body is saved, and the production difficulty is lowered or reduced; the structure can obtain flowing cold air based on the evaporator and the fan to flow into the box body, the same effect of a traditional air duct structure is achieved, and function integration of the air duct and the evaporator is achieved.

Description

Technical Field

[0001] This utility model relates to the field of air duct structure technology, specifically to a cold storage air duct. Background Technology

[0002] Currently, the air duct and evaporator in refrigerator products are separate structures. In addition to the complex assembly process, they also occupy space and affect the effective volume utilization of the refrigerator. Therefore, we are considering designing an integrated structure for the air duct and evaporator that can save internal space and reduce the difficulty of the manufacturing process. In view of this, we propose a cold storage air duct. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings mentioned in the background section and provide a cold storage air duct.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] A cold storage air duct is installed in a refrigerator. The cold storage air duct includes an evaporator with evaporator inlet and outlet pipes on the heat exchange side. The evaporator is provided with a return air port and an air outlet.

[0006] A fan is installed at the return air inlet. The fan drives air through the return air inlet to flow through the heat exchange side and is discharged into the refrigerator through the air outlet.

[0007] Preferably, the air outlets are evenly distributed at the gap between the inlet and outlet pipes of the evaporator.

[0008] Preferably, the return air inlet and the air outlet are respectively located at the upper and lower ends of the evaporator.

[0009] Preferably, the surface of the evaporator is provided with a resin anti-corrosion layer.

[0010] Preferably, the evaporator is a blow-type evaporator or a plate-tube evaporator.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This cold storage air duct eliminates the need for a separate traditional air duct structure inside the enclosure, saving internal space and reducing or eliminating production difficulties. This structure allows cold air to flow into the enclosure based on the evaporator and fan, achieving the same effect as a traditional air duct structure and integrating the functions of the air duct and evaporator. Attached Figure Description

[0013] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0014] Figure 1 This is one of the installation diagrams of an embodiment of the present utility model;

[0015] Figure 2 This is the second installation diagram of an embodiment of the present utility model;

[0016] Figure 3 This is a schematic diagram of the overall structure of this utility model.

[0017] The meanings of the labels in the diagram are as follows:

[0018] 1. Refrigerator; 11. Door; 2. Evaporator; 21. Evaporator inlet and outlet pipes; 22. Air outlet; 3. Fan. Detailed Implementation

[0019] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0020] Please see Figure 1-3 The present invention will describe the above technical solution in detail through the following embodiments:

[0021] A cold storage air duct is installed inside a refrigerator 1 equipped with a door 11. The cold storage air duct includes an evaporator 2 with evaporator inlet and outlet pipes 21 on the heat exchange side, specifically a plate-tube evaporator, such as... Figure 2 The installation method shown has its heat exchange side facing inwards. The evaporator 2 is equipped with a return air inlet and an air outlet 22. A fan 3 is installed at the return air inlet, and the air outlet 22 is as shown in the figure. Figure 3 The structure shown is evenly distributed in the gap between the evaporator inlet and outlet pipes 21.

[0022] This implementation example Figure 2 and Figure 3 As shown in the structure, the evaporator inlet and outlet pipes 21 are arranged in a continuous S-shaped coil, which mainly increases the heat exchange path and improves the heat exchange efficiency on the heat exchange side. In this embodiment, the evaporator 2 and the fan 3 are assembled together, which can save a duct panel, save material costs and space. When the fan 3 is operating, it can drive the air through the return air port through the heat exchange side and through the air outlet 22 to the refrigerator 1, which also has a duct flow structure.

[0023] In order to achieve good heat exchange contact effect, the return air port and the air outlet 22 are respectively set at the upper and lower ends of the evaporator 2. In this embodiment, a resin anti-corrosion layer is applied to the surface of the evaporator 2 by electrophoresis treatment for corrosion prevention.

[0024] In this embodiment, the cold storage air duct, when the refrigerator is running, the fan 3 drives air through the return air inlet and passes through the heat exchange side of the evaporator 2 for heat exchange. Then, the heat-exchanged cold air is sent into the refrigerator interior through the air outlet 22 on the evaporator 2 for internal heat exchange. This completely replaces the traditional air duct structure. Figure 2 The installation method shown creates a flow duct for delivering cold air between the refrigerator 1 and the refrigerator, which helps to increase the internal space of the refrigerator.

[0025] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0026] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, "multiple" refers to two or more. Moreover, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

Claims

1. A cold storage air duct, installed inside a refrigerator (1), characterized in that: The cold storage air duct includes an evaporator (2) with an evaporator inlet and outlet pipe (21) on the heat exchange side, and the evaporator (2) is provided with a return air port and an air outlet (22); A fan (3) is installed at the return air inlet. The fan (3) is used to drive air through the return air inlet to flow through the heat exchange side and to discharge it into the refrigerator (1) through the air outlet (22).

2. The cold storage air duct as described in claim 1, characterized in that: The air outlet (22) is evenly arranged in the gap between the inlet and outlet pipes (21) of the evaporator.

3. The cold storage air duct as described in claim 2, characterized in that: The return air inlet and the air outlet (22) are respectively located at the upper and lower ends of the evaporator (2).

4. The cold storage air duct as described in claim 1, characterized in that: The surface of the evaporator (2) is provided with a resin anti-corrosion layer.

5. The cold storage air duct as described in claim 4, characterized in that: The evaporator (2) is either a blow-type evaporator or a plate-tube evaporator.

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