CN214307772U

CN214307772U - Air-cooled refrigerator

Info

Publication number: CN214307772U
Application number: CN202023203732.0U
Authority: CN
Inventors: 揭万宇; 幸坤林; 何汝龙
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-28
Anticipated expiration: 2030-12-25

Abstract

The application provides an air-cooled refrigerator. The air-cooled refrigerator comprises a cold generation chamber (1), a freezing chamber (2) and a non-freezing chamber (3), wherein an evaporator (4) is arranged in the cold generation chamber (1), an outlet of the cold generation chamber (1) is respectively communicated with the freezing chamber (2) and the non-freezing chamber (3), the freezing chamber (2) is communicated with an inlet of the cold generation chamber (1) through a first air return opening (5), the non-freezing chamber (3) is communicated with an inlet of the cold generation chamber (1) through an air return duct (6), a first air supply duct (7) is arranged between the outlet of the cold generation chamber (1) and the non-freezing chamber (3), and the first air supply duct (7) and the air return duct (6) are communicated through a second air supply duct (8). According to the air-cooled refrigerator, the problem that food materials are frozen at the air outlet when air is supplied to a non-freezing chamber can be effectively solved.

Description

Air-cooled refrigerator

Technical Field

The application relates to the technical field of refrigeration equipment, in particular to an air-cooled refrigerator.

Background

In the field of refrigerators of today, air-cooled refrigerators have an increasingly high market share due to their faster refrigeration speed and their ability to address manual defrosting. In a typical air-cooled refrigerator, the cooling capacity required by the refrigerating chamber is derived from the cooling capacity of the freezing evaporator, and the cooling capacity is blown out from a refrigerating air duct at the rear part of the refrigerating chamber and enters the refrigerating chamber through an air outlet to cool the food in the refrigerating chamber.

Traditional air-cooled refrigerator, the air supply can satisfy the temperature requirement of each room basically, and when adopting traditional air-cooled refrigerator's air supply mode, to the air outlet position that is closer to the evaporimeter, the air outlet temperature is lower, when not very low non-freezing room air supply to the temperature demand, freezes easily wherein to store the higher edible material of putting in the air outlet position of temperature.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem that this application will be solved lies in providing an air-cooled refrigerator, can effectively improve when to the air supply of non-freezing compartment, and the frostbite is located the problem of air outlet position edible material.

In order to solve the problems, the application provides an air-cooled refrigerator which comprises a cold quantity generation chamber, a freezing chamber and a non-freezing chamber, wherein an evaporator is arranged in the cold quantity generation chamber, an outlet of the cold quantity generation chamber is respectively communicated with the freezing chamber and the non-freezing chamber, the freezing chamber is communicated with an inlet of the cold quantity generation chamber through a first air return opening, the non-freezing chamber is communicated with an inlet of the cold quantity generation chamber through an air return duct, a first air supply duct is arranged between the outlet of the cold quantity generation chamber and the non-freezing chamber, and the first air supply duct is communicated with the air return duct through a second air supply duct.

Preferably, a first air door for adjusting the air quantity entering the first air supply duct is arranged in the second air supply duct.

Preferably, a second air door for adjusting the air quantity entering the non-freezing compartment is arranged in the first air supply duct.

Preferably, a first fan is provided in the coldness generation chamber, and the first fan simultaneously sends cold air, which is heat-exchanged by the evaporator, to the freezing chamber and the non-freezing chamber.

Preferably, a first air outlet is formed in the side wall of the cold generation chamber, the first air outlet communicates the cold generation chamber with the freezing chamber, a first air outlet cover is arranged at the first air outlet, a first fan is arranged in the first air outlet cover, a second air outlet is formed in the side wall of the first air supply duct, the second air outlet communicates the first air supply duct with the non-freezing chamber, a second air outlet cover is arranged at the second air outlet, and a second fan is arranged in the second air outlet cover.

Preferably, the first supply air duct is located in the middle of the width direction of the freezing compartment, and the return air duct is located at one side edge of the width direction of the non-freezing compartment.

Preferably, the non-freezing compartment is provided with a temperature sensor at the air outlet of the first air supply duct, and the air-cooled refrigerator further comprises a controller, wherein the controller adjusts the size of the first air door and/or the second air door according to the temperature detected by the temperature sensor.

Preferably, the second supply air duct is located at the interface between the freezing compartment and the non-freezing compartment.

Preferably, the second air supply duct is in a V shape, the tip end of the second air supply duct faces the freezing compartment, the air inlet of the second air supply duct faces the direction opposite to the airflow direction of the return air duct, and the air outlet of the second air supply duct faces the direction same as the airflow direction of the first air supply duct.

Preferably, the return air duct is of an L-shaped bending structure, the short edge section of the return air duct is connected with the air outlet of the non-freezing chamber, the air outlet of the non-freezing chamber is extended to the long edge section, and the long edge section is located on the outer side of the air duct wall of the first air supply duct.

The application provides an air-cooled refrigerator, including cold volume generation room, freezing room and non-freezing room, the indoor evaporimeter that is provided with of cold volume generation, the export of cold volume generation room communicates with freezing room and non-freezing room respectively, the import intercommunication of freezing room through first return air inlet and cold volume generation room is passed through to freezing room, the import intercommunication of non-freezing room through return air wind channel and cold volume generation room, be provided with first air supply duct between the export of cold volume generation room and the non-freezing room, through second air supply duct intercommunication between first air supply duct and the return air duct. The air-cooled refrigerator is characterized in that a second air supply duct is additionally arranged between a first air supply duct and a return air duct to enable the first air supply duct and the return air duct to be communicated, cold air in a cold generation chamber can be supplied to a non-freezing chamber through the first air supply duct, part of return air in the return air duct is controlled to be mixed with cold air in the first air supply duct and then enter the non-freezing chamber, the air supply temperature of the first air supply duct can be increased, the problem that the cold air is directly supplied to the non-freezing chamber to cause freezing injury to food materials with higher storage temperature requirements due to low-temperature air supply is avoided, meanwhile, the air humidity in the return air duct is relatively high, the air humidity entering the non-freezing chamber can be increased after entering the first air supply duct and being mixed with the cold air, the problem that the food materials are dried and consumed too fast is solved, and the air humidity entering the cold generation chamber through the return air duct and exchanging heat with an evaporator can be reduced, the problem of surface frosting of the evaporator is improved, the times of defrosting of the refrigerator are indirectly reduced, namely the times of starting a defrosting heater are reduced, and the power consumption of the whole refrigerator is reduced.

Drawings

FIG. 1 is a side view of a side airflow diagram of an air-cooled refrigerator according to an embodiment of the present application;

fig. 2 is a front view direction airflow diagram of an air-cooled refrigerator according to an embodiment of the present application.

The reference numerals are represented as:

1. a cold generation chamber; 2. a freezing compartment; 3. a non-refrigerated compartment; 4. an evaporator; 5. a first air return opening; 6. an air return duct; 7. a first air supply duct; 8. a second air supply duct; 9. a first damper; 10. a second damper; 11. a first fan; 12. a first air outlet; 13. a first air outlet mask; 14. a second air outlet; 15. and a second air outlet mask.

Detailed Description

Referring to fig. 1 to 2 in combination, according to an embodiment of the present disclosure, an air-cooled refrigerator includes a cold generation chamber 1, a freezing chamber 2, and a non-freezing chamber 3, an evaporator 4 is disposed in the cold generation chamber 1, an outlet of the cold generation chamber 1 is respectively communicated with the freezing chamber 2 and the non-freezing chamber 3, the freezing chamber 2 is communicated with an inlet of the cold generation chamber 1 through a first air return opening 5, the non-freezing chamber 3 is communicated with an inlet of the cold generation chamber 1 through a return air duct 6, a first air supply duct 7 is disposed between the outlet of the cold generation chamber 1 and the non-freezing chamber 3, and the first air supply duct 7 and the return air duct 6 are communicated through a second air supply duct 8.

The air-cooled refrigerator is characterized in that a second air supply duct 8 is additionally arranged between a first air supply duct 7 and a return air duct 6, so that the first air supply duct 7 and the return air duct 6 are communicated, cold air in a cold generation chamber 1 can be supplied to a non-freezing chamber 3 through the first air supply duct 7, meanwhile, part of return air in the return air duct 6 is controlled to be mixed with cold air in the first air supply duct 7 and then enter the non-freezing chamber 3, the air supply temperature of the first air supply duct 7 can be increased, the problem that the cold air is directly sent to the non-freezing chamber 3 to cause freezing injury to food materials with higher storage temperature requirements due to low-temperature air supply is avoided, meanwhile, the air humidity in the return air duct 6 is relatively high, after the air humidity enters the first air supply duct 7 and is mixed with the cold air, the air humidity entering the non-freezing chamber 3 can be increased, the problem of too fast food material drying is solved, and the air humidity entering the cold generation chamber 1 through the return air duct 6 to exchange heat with an evaporator 4 can be reduced, the problem of surface frosting of the evaporator 4 is improved, the times of defrosting of the refrigerator are indirectly reduced, namely the times of starting a defrosting heater are reduced, and the power consumption of the whole refrigerator is reduced.

In this embodiment, the second air supply duct 8 is connected between the first air supply duct 7 and the return air duct 6, and is located at the boundary position between the freezing compartment 2 and the non-freezing compartment 3, so that the space between the first air supply duct 7 and the return air duct 6 can be fully utilized, and the space between the freezing compartment 2 and the non-freezing compartment 3 cannot be occupied, so that the space of the air-cooled refrigerator is more fully utilized.

A first air door 9 for adjusting the air quantity entering the first air supply duct 7 is arranged in the second air supply duct 8. The passage area of the second air supply duct 8 can be adjusted by adjusting the first air door 9, so as to adjust the air quantity entering the first air supply duct 7 through the second air supply duct 8, and adjust the air temperature entering the non-freezing chamber 3 from the first air supply duct 7, therefore, the adjusting direction of the first air door 9 can be controlled according to the temperature at the air inlet of the non-freezing chamber 3 and the humidity in the non-freezing chamber 3, so that the return air quantity mixed with the air in the first air supply duct 7 through the second air supply duct 8 can be matched with the internal environment target of the non-freezing chamber 3, the problem of freezing injury caused by too low air temperature at the air inlet of the non-freezing chamber 3 can be avoided, and the wet and cold air after the temperature of the non-freezing chamber 3 is reduced can be ensured to carry part of the water back to the non-freezing chamber 3, the humidity of the non-freezing chamber 3 is increased, and the problem of dry consumption of food materials is avoided.

A second air door 10 for adjusting the air volume entering the non-freezing compartment 3 is arranged in the first air supply duct 7. The second damper 10 can adjust the amount of cold air entering the non-freezing compartment 3 from the cold generation chamber 1, and further, effectively adjust the temperature in the non-freezing compartment 3, so that the temperature in the non-freezing compartment 3 can quickly reach the target problem, and the adjustment efficiency is improved.

In one embodiment, a first fan 11 is arranged in the cold-generating chamber 1, which first fan 11 delivers cold air, which is heat exchanged via the evaporator 4, simultaneously to the freezing compartment 2 and the non-freezing compartment 3. In this embodiment, the first fan 11 is a centrifugal fan, the first fan 11 is located between the evaporator 4 and the freezing chamber 2 and between the first air supply duct 7, air is subjected to heat exchange by the evaporator 4 under the action of the first fan 11, and then is blown out under the centrifugal action of the first fan 11, and is divided into two parts at an outlet, one part enters the air inlet of the freezing chamber 2, and the other part is conveyed to the air inlet of the non-freezing chamber 3 along the first air supply duct, so that air is supplied to the freezing chamber 2 and the non-freezing chamber 3 simultaneously by one fan, the number of fans can be reduced, and the cost can be reduced.

In one embodiment, a first air outlet 12 is disposed on a side wall of the cooling generation chamber 1, the first air outlet 12 communicates the cooling generation chamber 1 with the freezing chamber 2, a first air outlet cover 13 is disposed at the first air outlet 12, a first fan 11 is disposed in the first air outlet cover 13, a second air outlet 14 is disposed on a side wall of the first air supply duct 7, the second air outlet 14 communicates the first air supply duct 7 with the non-freezing chamber 3, a second air outlet cover 15 is disposed at the second air outlet 14, and a second fan is disposed in the second air outlet cover 15.

In this embodiment, the first fan 11 and the second fan may be axial fans, or may be centrifugal fans, where the first fan 11 is used to control the air supply of the freezing compartment 2, and the second fan is used to control the air supply of the non-freezing compartment 3, and the air volumes entering the freezing compartment 2 and the non-freezing compartment 3 may be controlled by controlling the first fan 11 and the second fan respectively, so as to conveniently adjust the internal temperature of the air-cooled refrigerator.

The first air outlet cover 13 and the second air outlet cover 15 are provided with air outlet holes for uniformly distributing air quantity, air entering the air outlet covers can be uniformly distributed again, the air distribution uniformity of the freezing chamber 2 and the non-freezing chamber 3 is improved, the temperature distribution uniformity of the freezing chamber 2 and the non-freezing chamber 3 is improved, and the working performance of the air-cooled refrigerator is improved.

In one embodiment, the second supply air duct 8 is V-shaped, the tip of the second supply air duct 8 faces the freezing compartment 2, the air inlet of the second supply air duct 8 faces in the opposite direction to the air flow of the return air duct 6, and the air outlet of the second supply air duct 8 faces in the same direction as the air flow of the first supply air duct 7. Because the air inlet of the second air supply duct 8 faces the direction opposite to the direction of the air flow of the return air duct 6, the air flow of the return air duct 6 can be more conveniently introduced into the second air supply duct 8, and the air distribution efficiency is improved. Because the air outlet orientation of the second air supply duct 8 is the same as the air flow direction of the first air supply duct 7, the drainage effect of the air flow of the first air supply duct 7 can be effectively utilized, the air flow of the second air supply duct 8 is conveniently mixed with the first air supply duct 7, and the mixing efficiency is improved.

In one embodiment, the first air supply duct 7 is located in the middle of the width direction of the freezing compartment 2, the return air duct 6 is located at one side edge of the width direction of the non-freezing compartment 3, and the first air supply duct 7 and the return air duct 6 are spaced from each other to avoid the influence of the ducts of the two. In order to facilitate the setting of the return air duct 6, avoid the interference between the return air duct and the cold generation chamber 1, and ensure that the cold generation chamber has a large enough space, in this embodiment, the return air duct 6 adopts an L-shaped bending structure, wherein the short side section is used for connecting with the air outlet of the non-freezing chamber 3, and extends the air outlet of the non-freezing chamber 3 to the long side section, and the long side section is located outside the duct wall of the first supply air duct 7, i.e. between the side wall of the cold generation chamber 1 and the casing of the air-cooled refrigerator, so that the long side section of the return air duct 6 can be staggered with the space where the cold generation chamber 1 is located, thereby avoiding affecting the volume of the cold generation chamber 1, and ensuring that the return air of the non-freezing chamber 3 can smoothly enter the cold generation chamber 1.

In one embodiment, the non-freezing compartment 3 is provided with a temperature sensor at the air outlet of the first air supply duct 7, and the air-cooled refrigerator further comprises a controller, wherein the controller adjusts the size of the first air door 9 and/or the second air door 10 according to the temperature detected by the temperature sensor.

The temperature of an evaporator in the air-cooled refrigerator is generally below-20 ℃, the temperature of air passing through the evaporator 4 is generally lower, if the cold air after heat exchange with the evaporator 4 is directly conveyed into the non-freezing compartment 3, the problem that food materials near an air outlet are frozen due to too low air supply temperature is solved, meanwhile, because fruits, beverages, vegetables and other food with high water content are stored in the non-freezing compartment 3 in daily use, moisture in the non-freezing compartment 3 can be gradually brought onto the evaporator 4 due to air supply and return circulation of the air in the air-cooled refrigerator, and the moisture can be discharged out of the refrigerator after frosting, so that the problem of serious dry loss of the refrigerator is solved.

By adopting the air-cooled refrigerator provided by the embodiment of the application, the moisture loss of the non-freezing chamber 3 caused by the circulation of the air path is reduced, the problem of too fast food material drying consumption of the defrosting and non-freezing chamber 3 of the refrigerator is optimized, the frosting amount of the refrigerator is reduced, the times of the refrigerator are indirectly reduced, the temperature of the non-freezing chamber is more uniform, the storage time of the food materials is longer, and the power consumption of the whole refrigerator is lower.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims

1. The utility model provides an air-cooled refrigerator, its characterized in that, includes cold volume generation room (1), freezing room (2) and non-freezing room (3), be provided with evaporimeter (4) in cold volume generation room (1), the export of cold volume generation room (1) respectively with freezing room (2) with non-freezing room (3) intercommunication, freezing room (2) through first return air inlet (5) with the import intercommunication of cold volume generation room (1), non-freezing room (3) through return air wind channel (6) with the import intercommunication of cold volume generation room (1), the export of cold volume generation room (1) with be provided with first air supply duct (7) between non-freezing room (3), first air supply duct (7) with through second air supply duct (8) intercommunication between return air duct (6).

2. The air-cooled refrigerator according to claim 1, wherein a first damper (9) for adjusting the amount of air introduced into the first air supply duct (7) is provided in the second air supply duct (8).

3. The air-cooled refrigerator according to claim 2, wherein a second air door (10) is arranged in the first air supply duct (7) for adjusting the amount of air entering the non-freezing compartment (3).

4. An air-cooled refrigerator according to claim 1, characterized in that a first fan (11) is arranged in the cold producing chamber (1), which first fan (11) delivers cold air, which is heat exchanged via the evaporator (4), simultaneously to the freezing compartment (2) and to the non-freezing compartment (3).

5. The air-cooled refrigerator according to claim 1, wherein a first air outlet (12) is provided on a side wall of the cooling generation chamber (1), the first air outlet (12) communicates the cooling generation chamber (1) with the freezing chamber (2), a first air outlet cover (13) is covered at the first air outlet (12), a first fan (11) is provided in the first air outlet cover (13), a second air outlet (14) is provided on a side wall of the first air supply duct (7), the first air supply duct (7) is communicated with the non-freezing chamber (3) by the second air outlet (14), a second air outlet cover (15) is provided at the second air outlet (14), and a second fan is provided in the second air outlet cover (15).

6. The air-cooled refrigerator according to claim 1, wherein the first supply air duct (7) is located at a middle portion in a width direction of the freezing compartment (2), and the return air duct (6) is located at one side edge in the width direction of the non-freezing compartment (3).

7. The air-cooled refrigerator according to claim 3, wherein the non-freezing compartment (3) is provided with a temperature sensor at an air outlet of the first supply air duct (7), and the air-cooled refrigerator further comprises a controller for adjusting the size of the first damper (9) and/or the second damper (10) according to the temperature detected by the temperature sensor.

8. The air-cooled refrigerator according to claim 1, wherein the second supply air duct (8) is located at a boundary position between the freezing compartment (2) and the non-freezing compartment (3).

9. The air-cooled refrigerator according to claim 1, wherein the second supply air duct (8) is V-shaped, the tip of the second supply air duct (8) faces the freezing compartment (2), the air inlet of the second supply air duct (8) faces in the direction opposite to the direction of the air flow in the return air duct (6), and the air outlet of the second supply air duct (8) faces in the same direction as the direction of the air flow in the first supply air duct (7).

10. The air-cooled refrigerator according to claim 1, characterized in that the return air duct (6) is of an L-shaped bent structure, a short side section of the return air duct (6) is connected with an air outlet of the non-freezing compartment (3) and extends the outlet air of the non-freezing compartment (3) to a long side section, and the long side section is located outside the duct wall of the first supply air duct (7).