Refrigerator

Abstract

The utility model discloses a refrigerator which comprises a cabinet body, an evaporator and a compressor cabin, an air duct is arranged in a back interlayer of the cabinet body, the air duct is arranged close to the evaporator, an inlet of the air duct is communicated with the outside, and an outlet of the air duct is communicated with the compressor cabin. According to the refrigerator, the air duct is arranged in the interlayer on the back and is close to the evaporator, the evaporator takes away heat of the back plate so that air in the air duct can be cooled, and when normal-temperature air enters the air duct through the inlet, the evaporator takes away heat of the normal-temperature air in the air duct; therefore, cold air in the air channel flows to the compressor cabin below through the air channel to cool the compressor cabin, the working efficiency of a condenser and a compressor in the compressor cabin is improved, the problem of loss of cold energy emitted by the evaporator through the back is solved, and the working efficiency of the refrigerator is improved.

Description

Technical Field

[0001] This utility model relates to the field of household appliances, and in particular to a refrigerator. Background Technology

[0002] Existing refrigerators use foam to fill the space between the back panel and the evaporator to prevent cold air loss. The evaporator operates at a low temperature, carrying away heat from the refrigerator's interior to create a cool environment. However, because the foam cannot completely block all the cold air from the evaporator, it also carries away heat from the back of the refrigerator, keeping it cool. Meanwhile, outside air warms the back of the refrigerator, creating a vicious cycle that results in further cold air loss and lower energy efficiency. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the defect of cold loss at the back of the refrigerator in the prior art, and to provide a refrigerator.

[0004] The present invention solves the above-mentioned technical problems through the following technical solution:

[0005] A refrigerator includes a cabinet, an evaporator, and a compressor compartment. An air duct is provided in the back layer of the cabinet, the air duct is located close to the evaporator, the inlet of the air duct is connected to the outside, and the outlet of the air duct is connected to the compressor compartment.

[0006] In this design, the refrigerator has an air duct installed in the back compartment, close to the evaporator. The evaporator carries away heat from the back panel, cooling the air inside the duct. When ambient air enters the duct through the inlet, the evaporator carries away the heat from the ambient air inside the duct. Since the density of the cooler air is higher than that of the ambient air outside the duct, the cold air in the duct flows down to the compressor compartment, cooling the compressor compartment and increasing the working efficiency of the condenser and compressor inside the compressor compartment. This also solves the problem of cold air loss from the evaporator through the back, improving the refrigerator's working efficiency.

[0007] Preferably, the inlet is located at the upper end of the cabinet.

[0008] In this design, since the density of cold air is greater than that of hot air, the inlet is located at the top of the cabinet. This allows ambient temperature air to enter through the upper inlet of the air duct. The ambient temperature air is cooled in the air duct and then flows down to the compressor compartment, accelerating the airflow.

[0009] Preferably, the inlet covers the area where the evaporator is located along the width direction of the cabinet.

[0010] In this solution, the above-mentioned structural configuration facilitates the collection of cold energy in the area where the evaporator is located through the air duct, reduces cold energy loss, and improves the working efficiency of the refrigerator.

[0011] Preferably, the cabinet includes a back panel and a mounting plate, the mounting plate being mounted on the back panel, and a sandwich and air duct being formed between the back panel and the mounting plate.

[0012] In this solution, the above-mentioned structural design facilitates the processing and fabrication of air ducts, and the structure is simple and easy to install.

[0013] Preferably, the air duct has an S-shaped structure, and the S-shaped structure is coiled within the interlayer.

[0014] In this design, the air duct is designed in an S-shape to extend its path, making it easier to collect more cold air from the back, thus improving the cold air collection effect and reducing cold air loss.

[0015] Preferably, the evaporator includes a first part of piping and a second part of piping, the first part of piping being used for cooling the refrigerator compartment and the second part of piping being used for cooling the refrigerator freezer compartment, and the air ducts being sequentially coiled around the areas corresponding to the first part of piping and the second part of piping.

[0016] In this design, since the area on the back panel without an evaporator has less cooling capacity, the area around the air duct is aligned with the first and second sections of the evaporator piping. Compared to installing air ducts throughout the interlayer on the back panel, this design simplifies the air duct structure and reduces manufacturing costs.

[0017] Preferably, the compressor compartment is located at the bottom of the cabinet, and a compressor and a condenser are installed in the compressor compartment. The two ends of the compressor are connected to the evaporator and the condenser respectively through pipes.

[0018] In this design, the compressor compresses low-temperature, low-pressure gas into high-temperature, high-pressure gas, releasing heat during operation. The condenser liquefies the high-temperature, high-pressure gas output from the compressor into a high-pressure, room-temperature liquid, releasing a significant amount of heat during operation. The evaporator vaporizes the high-pressure, room-temperature liquid output from the condenser into a low-pressure, low-temperature gas, simultaneously carrying away heat from the refrigerator's interior to cool it. Therefore, the refrigerator's operation causes the temperature inside the compressor compartment to rise, reducing the condenser's efficiency and shortening the compressor's lifespan.

[0019] Preferably, the bottom of the cabinet is provided with an air outlet, the compressor compartment is connected to the outside through the air outlet, and the compressor and the condenser are both located in the air path between the air outlet and the outlet.

[0020] In this design, the compressor and condenser are positioned in the air duct between the outlet and the air outlet, allowing the cold air delivered from the duct to carry away the heat from the compressor and condenser before being exhausted to the outside through the air outlet, thus improving the cooling effect.

[0021] Preferably, a cooling fan is also installed inside the compressor compartment. The cooling fan is configured to correspond to the condenser and the airflow passes through the condenser before being discharged from the air outlet.

[0022] In this design, the condenser liquefies the high-temperature, high-pressure gas output from the compressor into a high-pressure, room-temperature liquid. The condenser releases a significant amount of heat during operation. A cooling fan cools the condenser's heat dissipation fins, improving its efficiency. The cooling fan also directs the airflow through the condenser towards the outlet, creating a unidirectional exhaust system with air entering from the top and exiting from the bottom, preventing air turbulence and enhancing cooling performance.

[0023] Preferably, an exhaust fan is installed in the air duct, the exhaust fan being used to send air from the air duct into the compressor compartment.

[0024] In this solution, when the exhaust fan is working, it can create a negative pressure zone in the interlayer duct, which accelerates the airflow in the duct to the compressor compartment, solves the problem of high temperature in the compressor compartment, improves the working efficiency of the condenser and extends the life of the compressor.

[0025] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of this utility model.

[0026] The positive and progressive effects of this utility model are as follows: The refrigerator has an air duct in the back compartment, which is located close to the evaporator. The evaporator carries away the heat from the back panel, which cools the air in the air duct. When room temperature air enters the air duct through the inlet, the evaporator carries away the heat of the room temperature air in the air duct. Since the density of the cooler air is higher than that of the room temperature air outside the air duct, the cold air in the air duct will flow down to the compressor compartment, cooling the compressor compartment and increasing the working efficiency of the condenser and compressor in the compressor compartment. It also solves the problem of cold energy loss from the evaporator through the back, thus improving the working efficiency of the refrigerator. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of a refrigerator according to a preferred embodiment of the present invention. Figure 1 .

[0028] Figure 2 This is a schematic diagram of the structure of a refrigerator with a concealed mounting plate according to a preferred embodiment of the present invention. Figure 2 .

[0029] Figure 3This is a schematic diagram of the structure of a refrigerator with a concealed mounting plate and a baffle plate in the compressor compartment, representing a preferred embodiment of the present invention. Figure 3 .

[0030] Figure 4 This is a schematic diagram of the internal structure of a refrigerator according to a preferred embodiment of the present invention. Figure 4 .

[0031] Explanation of reference numerals in the attached figures:

[0032] Cabinet 1

[0033] Backplate 11

[0034] Mounting plate 12

[0035] Evaporator 2

[0036] Part 1 Piping 21

[0037] Part Two Piping 22

[0038] Compressor compartment 3

[0039] Air duct 4

[0040] Imported 41

[0041] Exports 42

[0042] Compressor 5

[0043] Condenser 6

[0044] Exhaust fan 7

[0045] Width direction 10

[0046] Airflow direction 20 Detailed Implementation

[0047] The present invention will be described more clearly and completely below by way of embodiments and in conjunction with the accompanying drawings, but the present invention is not limited to the scope of the embodiments described herein.

[0048] like Figures 1-4 As shown, this embodiment discloses a refrigerator, which includes a cabinet 1, an evaporator 2 and a compressor compartment 3. An air duct 4 is provided in the back compartment of the cabinet 1. The air duct 4 is located close to the evaporator 2. The inlet 41 of the air duct 4 is connected to the outside, and the outlet 42 of the air duct 4 is connected to the compressor compartment 3.

[0049] like Figures 1-4As shown, in this embodiment, the refrigerator has an air duct 4 in the back compartment. The air duct 4 is located close to the evaporator 2. The evaporator 2 carries away the heat from the back panel 11, which can cool the air in the air duct 4. When room temperature air enters the air duct 4 through the inlet 41, the evaporator 2 carries away the heat of the room temperature air in the air duct 4. Since the density of the cooler air is higher than that of the room temperature air outside the air duct 4, the cold air in the air duct 4 will flow through the air duct 4 to the compressor compartment 3 below, cooling the compressor compartment 3, increasing the working efficiency of the condenser 6 and compressor 5 in the compressor compartment 3, and also solving the problem of cold energy loss from the evaporator 2 through the back, thus improving the working efficiency of the refrigerator.

[0050] like Figure 1 As shown, inlet 41 is located at the upper end of cabinet 1. Since the density of cold air is greater than that of hot air, inlet 41 is located at the upper end of cabinet 1 to facilitate the intake of ambient temperature air into the air duct 4 from the upper inlet 41. The ambient temperature air is cooled in the air duct 4 and then flows down to the compressor compartment 3 at the lower end, accelerating the airflow.

[0051] like Figure 1 As shown, the inlet 41 covers the area where the evaporator 2 is located along the width direction 10 of the cabinet 1, which facilitates the collection of cold energy in the area where the evaporator 2 is located by the air duct 4, reduces cold energy loss, and improves the working efficiency of the refrigerator.

[0052] like Figure 2 As shown, in this embodiment, an exhaust fan 7 is installed inside the air duct 4. The exhaust fan 7 is used to send air from the air duct 4 into the compressor compartment 3. When the exhaust fan 7 is working, it can create a negative pressure zone within the interlayer air duct 4, accelerating the airflow from the air duct 4 to the compressor compartment 3, solving the problem of high temperature in the compressor compartment 3, improving the working efficiency of the condenser 6, and extending the life of the compressor 5. The airflow direction 20 within the air duct 4 is as follows: Figure 2 As shown by the arrow in the image.

[0053] like Figures 1-3 As shown, in this embodiment, the cabinet 1 includes a back panel 11 and a mounting plate 12. The mounting plate 12 is installed on the back panel 11, and a sandwich and air duct 4 are formed between the back panel 11 and the mounting plate 12, which facilitates the processing and fabrication of the air duct 4. The structure is simple and the installation is convenient.

[0054] In one embodiment, the air duct has an S-shaped structure, which is coiled within the interlayer. Setting the air duct in an S-shape extends its path, facilitating the collection of more cold air from the back, improving cold air collection efficiency, and reducing cold air loss.

[0055] like Figure 4As shown, in this embodiment, the evaporator 2 includes a first section of pipe 21 and a second section of pipe 22. The first section of pipe 21 is used for cooling the refrigerator compartment, and the second section of pipe 22 is used for cooling the freezer compartment. The air duct 4 is coiled around the areas corresponding to the first section of pipe 21 and the second section of pipe 22. Since the area of ​​the back panel 11 where the evaporator 2 is not located has less cooling capacity, the area around which the air duct 4 is coiled corresponds to the first section of pipe 21 and the second section of pipe 22 of the evaporator 2. Compared with setting the air duct 4 in the interlayer of the back panel, this simplifies the structure of the air duct 4 and reduces manufacturing costs.

[0056] In such Figure 3 The diagram shows the internal structure of the compressor compartment 3, located at the bottom of the cabinet 1. The compressor compartment 3 houses the compressor 5 and condenser 6. The compressor 5 is connected to the evaporator 2 and condenser 6 respectively via pipes. The compressor 5 compresses low-temperature, low-pressure gas into high-temperature, high-pressure gas, releasing heat during operation. The condenser 6 liquefies the high-temperature, high-pressure gas output from the compressor 5 into a high-pressure, room-temperature liquid, also releasing a significant amount of heat during operation. The evaporator 2 vaporizes the high-pressure, room-temperature liquid output from the condenser 6 into a low-pressure, low-temperature gas, simultaneously removing heat from the refrigerator's interior to cool it. Therefore, the refrigerator's operation causes the temperature of the compressor compartment 3 to rise, reducing the efficiency of the condenser 6 and shortening the lifespan of the compressor 5.

[0057] In this embodiment, the bottom of the cabinet 1 is provided with an air outlet (not shown in the figure). The compressor compartment 3 is connected to the outside through the air outlet. The compressor 5 and the condenser 6 are both located in the air path between the air outlet and the outlet 42, so that the cold air transported from the air duct 4 carries away the heat of the compressor 5 and the condenser 6, and then exhausts it to the outside through the air outlet, thereby improving the cooling effect.

[0058] In this embodiment, a cooling fan (not shown in the figure) is also installed inside the compressor compartment 3. The cooling fan is correspondingly arranged with the condenser 6 and directs the airflow through the condenser 6 before it is discharged from the air outlet. The condenser 6 is used to liquefy the high-temperature, high-pressure gas output from the compressor 5 into a high-pressure, room-temperature liquid. The condenser 6 releases a large amount of heat during operation. The cooling fan cools the heat dissipation fins of the condenser 6, improving the working efficiency of the condenser 6. The cooling fan also directs the airflow through the condenser 6 towards the air outlet, creating a unidirectional exhaust system with air entering from the top and exiting from the bottom, preventing air turbulence and improving the cooling effect.

[0059] In the description herein, it should be understood that the terms "upper," "lower," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0060] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the scope of protection of this utility model.

Claims

1. A refrigerator comprising a cabinet, an evaporator, and a compressor compartment, characterized in that, An air duct is provided in the back compartment of the cabinet. The air duct is located close to the evaporator. The inlet of the air duct is connected to the outside, and the outlet of the air duct is connected to the compressor compartment.

2. The refrigerator as described in claim 1, characterized in that, The inlet is located at the top of the cabinet.

3. The refrigerator as described in claim 1, characterized in that, The inlet covers the area where the evaporator is located along the width of the cabinet.

4. The refrigerator as described in claim 3, characterized in that, The cabinet includes a back panel and a mounting plate, the mounting plate being installed on the back panel, and a sandwich and air duct being formed between the back panel and the mounting plate.

5. The refrigerator as described in claim 1, characterized in that, The air duct has an S-shaped structure, which is coiled within the interlayer.

6. The refrigerator as described in claim 5, characterized in that, The evaporator includes a first part of pipes and a second part of pipes. The first part of pipes is used for cooling the refrigerator compartment, and the second part of pipes is used for cooling the freezer compartment. The air ducts are sequentially coiled around the areas corresponding to the first part of pipes and the second part of pipes.

7. The refrigerator as described in claim 1, characterized in that, The compressor compartment is located at the bottom of the cabinet. The compressor compartment contains a compressor and a condenser. The two ends of the compressor are connected to the evaporator and the condenser respectively through pipes.

8. The refrigerator as described in claim 7, characterized in that, The bottom of the cabinet is provided with an air outlet, and the compressor compartment is connected to the outside through the air outlet. The compressor and the condenser are both located in the air path between the air outlet and the outlet.

9. The refrigerator as described in claim 8, characterized in that, A cooling fan is also installed inside the compressor compartment. The cooling fan is positioned corresponding to the condenser and the airflow passes through the condenser before being discharged from the air outlet.

10. The refrigerator as described in any one of claims 1-9, characterized in that, An exhaust fan is installed inside the air duct, which is used to send air from the air duct into the compressor compartment.

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