CN114777377A - air-cooled refrigerator - Google Patents

Abstract

The invention provides an air-cooled refrigerator, which comprises a refrigerator body and an air damper, wherein a first chamber, a second chamber and an air supply channel are defined in the refrigerator body, the air damper is arranged in the air supply channel, when the air damper is positioned at a first position, an air flow path leading from the air supply channel to the first chamber is communicated, and an air flow path leading from the air supply channel to the second chamber is blocked, when the air damper is positioned at a second position, an air flow path leading from the air supply channel to the first chamber and an air flow path leading to the second chamber are simultaneously communicated, when the air damper is positioned at a third position, an air flow path leading from the air supply channel to the first chamber and an air flow path leading to the second chamber are simultaneously blocked, and when the air damper is positioned at a fourth position, an air flow path leading from the air supply channel to the second chamber is communicated, and an air flow path leading from the air supply channel to the first chamber is blocked. The air-cooled refrigerator can realize the switching of a plurality of different air supply modes, does not need to mutually match a plurality of air doors, and has higher reliability and better economy.

Description

air-cooled refrigerator

technical field

The invention relates to refrigeration equipment, in particular to an air-cooled refrigerator.

Background technique

Air-cooled refrigerators are favored by consumers due to their advantages such as less frost and good cooling uniformity. In order to achieve energy saving, in the prior art, it is possible to control the air flow leading to each refrigerating compartment, in order to meet the cooling demands of users in different periods. The air flow into the refrigeration compartment is controlled by opening and closing. This method requires cooperation between multiple dampers, the logic is complex, and there are many parts, and the economy is poor.

SUMMARY OF THE INVENTION

One object of the present invention is to overcome at least one defect in the prior art, and to provide an air-cooled refrigerator capable of switching between different air supply modes.

A further object of the present invention is to make switching modes simpler and more reliable.

Another further object of the present invention is to provide the air-cooled refrigerator with a defrosting function.

In particular, the present invention provides an air-cooled refrigerator, comprising: a box body, which defines a first compartment, a second compartment arranged left and right, and a supply air located behind the first compartment and the second compartment The regulating damper is rotatably arranged on the air supply duct, and the regulating damper has a preset first position, a second position, a third position and a fourth position; when in the first position, the regulating damper conducts The air supply air duct leads to the airflow path of the first compartment, and blocks the airflow path of the air supply air duct to the second compartment; when it is in the second position, the adjusting damper simultaneously conducts the air supply air duct to the first compartment. The airflow path of one chamber and the airflow path leading to the second chamber; when in the third position, the damper simultaneously blocks the airflow path of the supply air duct leading to the first chamber and the airflow path leading to the second chamber. Airflow path; when in the fourth position, the regulating damper conducts the airflow path of the supply air duct leading to the second compartment, and blocks the airflow path of the supply air duct leading to the first compartment.

Optionally, the box body also includes a first vertical partition member and a second vertical partition member located on the same vertical axis, and the first vertical partition member and the second vertical partition member divide the air supply air duct into a left and right arrangement. the first air duct and the second air duct, the first air duct is used to supply air to the first compartment, the second air duct is used to supply air to the second compartment, and the first vertical partition is connected to the second vertical An installation gap is formed between the spacers; the box body further includes a first transverse spacer and a second transverse spacer on the same horizontal axis, and the first transverse spacer and the second transverse spacer are respectively in the first air duct and the second transverse spacer. the second air duct, and the opposite ends of the first transverse partition and the second transverse partition are located at the installation gap; the regulating damper is installed at the installation gap.

Optionally, the damper includes a main body section and an extension section, the extension section is formed in the middle of the main body section and extends in a direction perpendicular to the main body section.

Optionally, when the damper is in the first position, both ends of the main body section are respectively connected to the opposite end faces of the first vertical partition and the second vertical partition, and the end of the extension section is connected to the second transverse direction. the end of the partition to block the second air passage with the extension section.

Optionally, when the damper is in the second position, both ends of the main body section are respectively connected to opposite end faces of the first vertical partition, and the extension section avoids the first and second horizontal partitions.

Optionally, the second vertical partition is arranged above the first vertical partition; when the damper is in the third position, both ends of the main body section are respectively connected to the first horizontal partition and the second horizontal partition The end of the extension section is connected to the end of the first vertical partition, so as to block the first air channel and the second air channel at the same time by using the main body section.

Optionally, when the damper is in the fourth position, the two ends of the main body section are respectively connected to the opposite end faces of the first vertical partition and the second vertical partition, and the end of the extension section is connected to the first transverse direction. the end of the partition to block the first air passage with the extension section.

Optionally, the box body also defines a cooling chamber for arranging the evaporator, and the cooling chamber is located below the air supply duct; the first vertical partition is arranged above the cooling chamber, and the second vertical partition is arranged on the first vertical partition. Above a vertical partition, the inside of the first vertical partition has a return air passage that communicates with the cooling chamber; the regulating damper also has a preset fifth position, when in the fifth position, the two parts of the main section are in the fifth position. The ends are respectively connected to the ends of the first horizontal partition and the second horizontal partition, and the extension section is connected to the end face of the second vertical partition to block the first air channel and the second air channel and expose the back. An air passage is provided, so that the airflow in the area below the first air passage and the area below the second air passage enters the cooling chamber through the return air passage.

Optionally, the opposite end surfaces of the first vertical partition and the second vertical partition are arc surfaces; both ends of the main body section are adapted to the arc surfaces, and the ends of the extension sections are adapted to the arc surfaces. match.

Optionally, the refrigerator further includes a first fan disposed in the first air duct and a second fan disposed in the second air duct.

In the air-cooled refrigerator of the present invention, since the adjusting air door is arranged in the air supply air duct, and the air supply mode is switched by its own rotation, the air flow path for the air supply to the first room and the second room is simultaneously conducted, and the air flow path is blocked at the same time. Disconnect the airflow path for supplying air to the first compartment and the second compartment, conduct the airflow path to one of the first compartment and the second compartment, and block the airflow path of the other compartment, without the need for multiple The dampers cooperate with each other, with higher reliability, less parts, and better economy.

Further, in the air-cooled refrigerator of the present invention, when the regulating air door is in the fifth position, the main body section can block the upper and lower parts of the first air duct and the upper and lower parts of the second air duct. The ducts are unable to supply air to the first and second rooms. At the same time, the opening of the return air passage of the first vertical partition is exposed, the air under the first air passage returns to the cooling chamber from the opening of the return air passage, exchanges heat with the evaporator, and the air under the second air passage Return to the cooling chamber from the opening of the return air passage to exchange heat with the evaporator, so that the evaporator can be heated by using the air with a higher temperature to defrost the evaporator and prevent the evaporator from frosting. The design is clever and the structure practical.

The above and other objects, advantages and features of the present invention will be more apparent to those skilled in the art from the following detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings.

Description of drawings

Hereinafter, some specific embodiments of the present invention will be described in detail by way of example and not limitation with reference to the accompanying drawings. The same reference numbers in the figures designate the same or similar parts or parts. It will be understood by those skilled in the art that the drawings are not necessarily to scale. In the attached picture:

1 is a front view of an air-cooled refrigerator according to an embodiment of the present invention, wherein a door body is hidden;

2 is a cross-sectional view of an air-cooled refrigerator according to an embodiment of the present invention;

3 is an internal structure diagram of a box in an air-cooled refrigerator according to an embodiment of the present invention, which shows a state when the damper is in a first position;

4 is an internal structure diagram of a box in an air-cooled refrigerator according to an embodiment of the present invention, showing a state when the damper is in a second position;

5 is an internal structural diagram of a box in an air-cooled refrigerator according to an embodiment of the present invention, showing a state when the damper is in a third position;

6 is an internal structure diagram of a box in an air-cooled refrigerator according to an embodiment of the present invention, showing a state when the damper is in a fourth position;

7 is an internal structure diagram of a box in an air-cooled refrigerator according to an embodiment of the present invention, which shows a state when the damper is in a fifth position.

Detailed ways

In the description of this embodiment, it should be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", The orientation or placement relationship indicated by "left", "right", "vertical", "horizontal", "top", "bottom", "depth", etc. is based on the orientation under normal use as a reference, and with reference to the accompanying drawings The orientation or positional relationship shown may be determined, eg, "front" indicating orientation refers to the side facing the user. This is only to facilitate the description of the present invention and to simplify the description, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present invention.

1 and 2, FIG. 1 is a front view of the air-cooled refrigerator 1 according to an embodiment of the present invention, wherein the door body 20 is hidden, and FIG. 2 is a cross-sectional view of the air-cooled refrigerator 1 according to an embodiment of the present invention . The present invention provides an air-cooled refrigerator 1 , and the air-cooled refrigerator 1 may generally include a box body 10 and a door body 20 .

The box 10 may include an outer shell 110 and a plurality of inner containers 100 , and the outer shell 110 is located at the outermost side of the whole refrigerator 1 to protect the whole refrigerator 1 . The plurality of inner bladders 100 are wrapped by the outer shell 110 , and the space between the inner bladders 100 and the outer shell 110 is filled with thermal insulation material (forming a foam layer 120 ), so as to reduce the heat dissipation of the inner bladders 100 to the outside. Each inner container 100 may define a storage compartment that opens forward, and the storage compartment may be configured as a refrigerating compartment, a freezing compartment, a changing room, etc. The specific number and function of the storage compartment may be determined according to a predetermined number of storage compartments. needs to be configured.

The door body 20 is movably disposed in front of the inner container 100 to open and close the storage compartment of the inner container 100 . For example, the door body 20 can be set on one side of the front part of the box body 10 in a hinged manner, and the storage compartment can be opened and closed in a pivotal manner.

Further, the air-cooled refrigerator 1 can also be provided with cooling capacity by a circulating refrigeration system, so as to realize a storage environment such as refrigeration, freezing, and temperature change. The circulating refrigeration system may be composed of a compressor 182, a condenser, a throttling device, an evaporator 180, and the like.

The compressor 182 is used as the power of the circulating refrigeration system. It increases the pressure and temperature of the refrigerant vapor through compression, and creates the conditions for transferring the heat of the refrigerant vapor to the external environmental medium. Air or water at room temperature is used as the cooling medium to condense the refrigerant vapor. The condenser uses the environment to take away the heat of the high-temperature and high-pressure refrigeration vapor from the compressor 182, so that the high-temperature and high-pressure refrigerant vapor is cooled and condensed into a high-pressure and normal-temperature refrigerant liquid. The throttling device is also a heat exchange device. The throttled low-temperature and low-pressure refrigerant liquid evaporates into vapor in it. The evaporator 180 may be disposed in the box body 10 to provide cold energy to the storage compartment of the refrigerator 1 by absorbing heat through evaporation.

Further, a partition beam 170 is arranged in one of the inner pots 100 in the box body 10 along the front-rear direction and the vertical direction, so as to divide the storage compartment of the inner pot 100 into two first compartments 101 and 101 arranged left and right. Second room 102 . The first compartment 101 and the second compartment 102 may also be configured as different storage compartments. For example, the first room 101 is configured as a refrigerating room, and the second room 102 is configured as a changing room, etc., to meet different cooling demands of users. Certainly, the first room 101 and the second room 102 may also be configured as other storage rooms, which are not particularly limited in this embodiment.

Further, the box body 10 may further include an air duct plate 130, and the air duct plate 130 is arranged inside the inner container 100 to define an air supply air duct 140 with the rear wall of the inner container 100, so that the air duct plate 130 can also serve as a The rear wall of the first room 101 and the second room 102 . The air duct plate 130 is provided with a first air inlet 132 and a first air return port 134 in the position corresponding to the first compartment 101 , and a second air inlet 136 and a second air return port 138 in the position corresponding to the second compartment 102 . The refrigerating airflow in the air supply duct 140 can enter the first compartment 101 through the first air inlet 132 to exchange heat with the air in the first compartment 101 so as to cool the first compartment 101 . The heat-exchanged airflow returns to the evaporator 180 through the first air return port 134 to form a circulating airflow. Likewise, the cooling airflow may pass through the second air inlet 136 and the second air return port 138 to cool the second compartment 102 .

Referring to Figures 3 to 6, the dashed arrows in Figures 3 to 6 indicate airflow. In some embodiments, the air-cooled refrigerator 1 may further include a damper 30 . The damper 30 is rotatably disposed on the air supply duct 140, and the damper 30 has a preset first position, a second position, a third position and a fourth position.

Referring to FIG. 3 , FIG. 3 is an internal structure diagram of the box body 10 in the air-cooled refrigerator 1 according to an embodiment of the present invention, which shows the state when the damper 30 is in the first position. When the damper 30 is in the first position, it can conduct the airflow path of the supply air duct 140 leading to the first compartment 101 and block the airflow path of the supply air duct 140 leading to the second compartment 102 . In this way, the cooling airflow in the air supply air duct 140 can all enter the first compartment 101 through the first air inlet 132 to cool the first compartment 101 .

For example, the first compartment 101 is configured as a refrigerating compartment, and the second compartment 102 is configured as a changing room. When the system detects that the temperature in the second compartment 102 has reached the user's predetermined temperature value, the damper 30 can be adjusted to the first position, so that the damper 30 can block the air supply duct 140 from leading to the second compartment 102, so that the second room 102 no longer passes through the refrigerating airflow, so that all the refrigerating airflow generated by the circulating refrigeration system can enter the refrigerating room, which can not only achieve accurate and rapid cooling of the first room 101, but also save energy. , and it is convenient to control the temperature of the second chamber 102 .

Referring to FIG. 4 , FIG. 4 is an internal structure diagram of the box 10 in the air-cooled refrigerator 1 according to an embodiment of the present invention, which shows the state when the damper 30 is in the second position. When the damper 30 is in the second position, it can simultaneously conduct the airflow path of the air supply duct 140 leading to the first compartment 101 and the airflow path leading to the second compartment 102 . In this way, the cooling airflow in the air supply duct 140 can enter the first room 101 and the second room 102 through the first air inlet 132 and the second air inlet 136 at the same time. while cooling.

Referring to FIG. 5 , FIG. 5 is an internal structure diagram of the box body 10 in the air-cooled refrigerator 1 according to an embodiment of the present invention, which shows the state when the damper 30 is in the third position. When the damper 30 is in the third position, it can block the airflow path of the air supply air duct 140 leading to the first compartment 101 and the airflow path leading to the second compartment 102 at the same time. In this way, the cooling airflow in the air supply duct 140 cannot enter the first compartment 101 and the second compartment 102 .

Referring to FIG. 6 , FIG. 6 is an internal structure diagram of the box 10 in the air-cooled refrigerator 1 according to an embodiment of the present invention, which shows the state when the damper 30 is in the fourth position. When the damper 30 is in the fourth position, it can conduct the airflow path of the air supply duct 140 leading to the second compartment 102 and block the airflow path of the supply air duct 140 leading to the first compartment 101 .

In the present embodiment, since the damper 30 is arranged in the air supply air duct 140 and switches the air supply mode through its own rotation, so as to realize the simultaneous conduction of the air supply to the first compartment 101 and the second compartment 102 path, simultaneously blocking the airflow path for supplying air to the first compartment 101 and the second compartment 102, conducting the airflow path to one of the first compartment 101 and the second compartment 102, and blocking the other The airflow path of the chamber does not need multiple dampers to cooperate with each other, and the reliability is higher, and the number of parts is less, and the economy is better.

Referring to FIGS. 3 to 6 , in some embodiments, the box 10 further includes a first vertical partition 150 , a second vertical partition 152 , a first lateral partition 160 and a second lateral partition 162 .

The first vertical partition member 150 and the second vertical partition member 152 are in the same vertical axis, so as to separate the air supply air duct 140 into the first air duct 142 and the second air duct 144 arranged left and right. The first air duct 142 It is used for supplying air to the first compartment 101 , the second air duct 144 is used for supplying air to the second compartment 102 , and an installation gap 154 is formed between the first vertical partition 150 and the second vertical partition 152 .

The first transverse partition 160 and the second transverse partition 162 are on the same horizontal line, and are respectively located at the first air duct 142 and the second air duct 144 , and the opposite ends of the first transverse partition 160 and the second transverse partition 162 At the installation gap 154 , the damper 30 is installed at the installation gap 154 .

Specifically, the first vertical partition 150 , the second vertical partition 152 , the first lateral partition 160 and the second lateral partition 162 may be formed on the rear wall of the air duct panel 130 and separated by the air duct panel 130 The peripheral edge of the rear wall extends toward its center, the first vertical partition 150 and the second vertical partition 152 are spaced apart to form an installation gap 154 , and the first horizontal partition 160 and the second horizontal partition 162 respectively extend to the installation gap 154 on both sides and are not connected. When the damper 30 is installed at the installation gap 154 , it can cooperate with the first vertical partition 150 , the second vertical partition 152 , the first horizontal partition 160 and the second horizontal partition 162 to achieve switching air supply model.

Specifically, the damper 30 may include a main body section 310 and an extension section 320 , and the extension section 320 is formed in the middle of the main body section 310 and extends perpendicular to the main body section 310 . Further, the pivot shaft of the damper 30 may be disposed in the middle of the main body section 310 so as to realize its rotation.

Referring to FIG. 3 , when the damper 30 is in the first position, both ends of the main body section 310 are respectively connected to the opposite end faces of the first vertical partition 150 and the second vertical partition 152 , and the ends of the extension section 320 The end of the second transverse partition 162 is connected to block the second air channel 144 by the extension section 320 .

The first vertical divider 150 and the second vertical divider 152 may have a lateral width such that their ends form end faces. When the damper 30 is in the first position, both ends of the main body section 310 are connected to the opposite end surfaces of the first vertical partition 150 and the second vertical partition 152 respectively, and the end of the extension section 320 is connected to the second horizontal partition so that the main body section 310 blocks the installation gap 154, thereby separating the first air duct 142 and the second air duct 144, and the extension section 320 is connected to the second transverse partition 162, blocking the The second air duct 144 , so that the cooling airflow can only be led to the first compartment 101 from the first air duct 142 .

Referring to FIG. 4 , when the damper 30 is in the second position, both ends of the main body section 310 are respectively connected to the opposite end faces of the first vertical partition 150 , and the extension section 320 avoids the first lateral partition 160 and the first vertical partition 150 . Two transverse dividers 162 . At this time, the main body section 310 blocks the installation gap 154, thereby separating the first air duct 142 and the second air duct 144, and the extension section 320 avoids the first lateral partition 160 and the second lateral partition 162 , the first air duct 142 and the second air duct 144 are kept unobstructed, so that the first air duct 142 supplies air to the first room 101 , and the second air duct 144 supplies air to the second room 102 .

Referring to FIG. 5 , the second vertical partition 152 is disposed above the first vertical partition 150 . When the damper 30 is in the third position, both ends of the main body section 310 are connected to the ends of the first lateral partition 160 and the second lateral partition 162 respectively, and the end of the extension section 320 is connected to the first vertical partition 150 so that the left section of the main body section 310 is abutted with the first transverse divider 160, the right section of the main body section 310 is abutted with the second transverse divider 162, and the end of the extension section 320 is joined with the first transverse divider 162. The end of the vertical partition 150 is used to block the first air duct 142 and the second air duct 144, that is, to simultaneously block the airflow path of the air supply duct 140 leading to the first compartment 101 and leading to the second compartment The airflow path of the chamber 102 .

Referring to FIG. 6 , when the damper 30 is in the fourth position, both ends of the main body section 310 are respectively connected to the opposite end faces of the first vertical partition 150 and the second vertical partition 152 , and the ends of the extended section 320 The end of the first transverse partition 160 is connected to block the first air channel 142 by the extension section 320 . In this way, the main body section 310 blocks the installation gap 154 , thereby isolating the first air duct 142 and the second air duct 144 , and the extension section 320 is connected to the first lateral partition 160 to block the first air duct 142 , so that the cooling airflow can only be led to the second compartment 102 through the second air duct 144 .

Referring to FIG. 2 to FIG. 7 , FIG. 7 is an internal structure diagram of the box 10 in the air-cooled refrigerator 1 according to an embodiment of the present invention, which shows the state when the damper 30 is in the fifth position. In some embodiments, the casing 10 further defines a cooling chamber 190 for arranging the evaporator 180 , and the cooling chamber 190 is located below the supply air duct 140 . The first vertical partition member 150 is disposed above the cooling chamber 190 , the second vertical partition member 152 is disposed above the first vertical partition member 150 , and the interior of the first vertical partition member 150 communicates with the cooling chamber 190 . The return air channel 150a.

Referring to Fig. 7, the dashed arrows in Fig. 7 indicate the airflow. The damper 30 also has a preset fifth position. When in the fifth position, the two ends of the main body section 310 are connected to the ends of the first transverse partition 160 and the second transverse partition 162 respectively, and the extension section 320 The end face of the second vertical partition 152 is connected to block the first air duct 142 and the second air duct 144, and the opening of the return air duct 150a is exposed, so that the first air duct 142 and the second air duct 144 are exposed. The air flow inside enters the cooling chamber 190 through the return air passage 150a.

In this embodiment, when the damper 30 is in the fifth position, the main body section 310 can block the upper and lower parts of the first air duct 142 and the upper and lower parts of the second air duct 144 . At this time, neither the first air duct 142 nor the second air duct 144 can supply air to the first room 101 and the second room 102, that is, the airflow paths of the first air duct 142 and the second air duct 144 are blocked respectively. .

Generally, when the first air passage 142 and the second air passage 144 are blocked by the damper 30, the refrigeration cycle system stops working, and the temperature of the cooling chamber 190 is higher than the cooling period.

When the damper 30 is rotated to the fifth position, the circulating refrigeration system of the refrigerator 1 stops working. Since the extension section 320 is connected to the end face of the second vertical partition 152, the opening of the return air passage 150a of the first vertical partition 150 is exposed, and the air below the first air passage 142 (this part of the air at this time) is exposed. The temperature is relatively high) from the opening of the return air passage 150a back to the cooling chamber 190 to exchange heat with the evaporator 180, so that the evaporator 180 can be heated by the air with a higher temperature, so as to defrost the evaporator 180 and prevent the Evaporator 180 is frosted. After the evaporator 180 exchanges heat, this part of the airflow returns to the lower area of the first air duct 142 to form a circulating airflow.

Similarly, the air below the second air passage 144 can also return to the cooling chamber 190 from the opening of the return air passage 150a to exchange heat with the evaporator 180 to achieve defrosting.

In this embodiment, because the inside of the first vertical partition 150 has a return air passage 150 a that communicates with the cooling chamber 190 . When the damper 30 is in the fifth position, the airflow in the first air duct 142 and the airflow in the second air duct 144 can return to the cooling chamber 190 from the return air duct to exchange heat with the evaporator 180 to achieve defrosting, Ingenious design and practical structure.

In some embodiments, the damper 30 may be driven by a stepper motor. Specifically, the stepping motor can be pre-configured with five rotational angular displacements before leaving the factory to correspond to the first position, the second position, the third position, the fourth position, and the fifth position. And the stepper motor can also be controlled by the user or automatically controlled by the system. For example, when the user only uses the first room 101, the stepper motor can be used to drive the damper 30 to the first position. When the system detects that the temperatures of the first room 101 and the second room 102 have reached the target set by the user When the temperature value is reached, a stepping motor can be used to drive the damper 30 to the third position.

In some embodiments, the opposite end surfaces of the first vertical partition member 150 and the second vertical partition member 152 are arc surfaces. Both ends of the main body section 310 are adapted to the circular arc surface, and the end of the extension section 320 is adapted to the circular arc surface. In this way, it is not only convenient to adjust the rotation of the damper 30, but also can make the connection more tightly, and it is not easy to leak air.

In some embodiments, the refrigerator 1 further includes a first fan 410 disposed in the first air duct 142 and a second fan 420 disposed in the second air duct 144 .

The first fan 410 and the second fan 420 can be used in conjunction with the damper 30 . For example, when the first air duct 142 is turned on by the regulating damper 30, the first fan 410 is turned on correspondingly to speed up the airflow; when the second air duct 144 is turned on by the regulating damper 30, the second fan 420 is correspondingly turned on. Turn on for faster airflow.

By now, those skilled in the art will recognize that, although various exemplary embodiments of the present invention have been illustrated and described in detail herein, the present invention may still be implemented in accordance with the present disclosure without departing from the spirit and scope of the present invention. The content directly determines or derives many other variations or modifications consistent with the principles of the invention. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (10)

1. An air-cooled refrigerator comprising:

the refrigerator comprises a box body, a first compartment, a second compartment and an air supply duct, wherein the first compartment and the second compartment are arranged on the left and right sides of the box body;

the air supply device comprises an air supply air duct, a damper and a control device, wherein the damper is rotatably arranged in the air supply air duct and is provided with a first position, a second position, a third position and a fourth position which are preset; wherein

When the air conditioner is at the first position, the air conditioner door conducts an airflow path of the air supply duct to the first compartment and blocks an airflow path of the air supply duct to the second compartment;

when the air supply duct is in the second position, the air supply duct is communicated with the first compartment and the second compartment simultaneously;

when in the third position, the damper simultaneously blocks the air flow path of the air supply duct to the first compartment and the air flow path to the second compartment;

when the air conditioner is at the fourth position, the air adjusting door conducts the airflow path of the air supply duct to the second compartment and blocks the airflow path of the air supply duct to the first compartment.

2. The air-cooled refrigerator of claim 1, wherein the air-cooled refrigerator includes a refrigerator body having a cooling fan

The box body further comprises a first vertical separator and a second vertical separator which are positioned on the same vertical axis, the first vertical separator and the second vertical separator divide the air supply duct into a first air duct and a second air duct which are arranged left and right, the first air duct is used for supplying air to the first compartment, the second air duct is used for supplying air to the second compartment, and a mounting gap is formed between the first vertical separator and the second vertical separator;

the box body further comprises a first transverse separator and a second transverse separator which are positioned on the same horizontal axis, the first transverse separator and the second transverse separator are respectively positioned in the first air duct and the second air duct, and one opposite ends of the first transverse separator and the second transverse separator are positioned at the installation gap;

the damper is mounted at the mounting gap.

3. The air-cooled refrigerator as claimed in claim 2, wherein the air-cooled refrigerator includes a refrigerator body having a cooling fan therein

The damper includes a main body section and an extension section formed at a middle portion of the main body section and extending in a direction perpendicular to the main body section.

4. The air-cooled refrigerator as claimed in claim 3, wherein the air-cooled refrigerator includes a refrigerator body

When the damper is in the first position, both ends of the main body section are respectively engaged with the opposite end faces of the first vertical partition and the second vertical partition, and the end of the extension section is engaged with the end of the second transverse partition so as to block the second air duct with the extension section.

5. The air-cooled refrigerator as claimed in claim 3, wherein the air-cooled refrigerator includes a refrigerator body

When the damper is in the second position, both ends of the main body section are respectively engaged with the opposite end faces of the first vertical partition, and the extension section avoids the first and second lateral partitions.

6. The air-cooled refrigerator as claimed in claim 3, wherein the air-cooled refrigerator includes a refrigerator body

The second vertical divider is disposed above the first vertical divider;

when the damper is in the third position, both ends of the main body section are respectively engaged with ends of the first and second transverse partitions, and ends of the extension section are engaged with ends of the first vertical partition, so as to simultaneously block the first and second air ducts with the main body section.

7. The air-cooled refrigerator as claimed in claim 3, wherein the air-cooled refrigerator includes a refrigerator body

When the damper is in the fourth position, both ends of the main body section respectively engage with the end faces of the first vertical partition and the second vertical partition which are opposed to each other, and the end of the extension section engages with the end of the first transverse partition to block the first air duct with the extension section.

8. The air-cooled refrigerator of claim 3, wherein the air-cooled refrigerator is a refrigerator

The box body also defines a cooling chamber for arranging an evaporator, and the cooling chamber is positioned below the air supply duct;

the first vertical separator is arranged above the cooling chamber, the second vertical separator is arranged above the first vertical separator, and an air return channel communicated with the cooling chamber is formed in the first vertical separator;

the damper further has a predetermined fifth position in which both ends of the main body section are respectively connected to ends of the first transverse partition and the second transverse partition, and the extension section is connected to an end face of the second vertical partition to block the first air duct and the second air duct and expose the return air passage, so that the air flow in the area below the first air duct and the air flow in the area below the second air duct enter the cooling compartment through the return air passage.

9. The air-cooled refrigerator as claimed in claim 3, wherein the air-cooled refrigerator includes a refrigerator body

The opposite end surfaces of the first vertical separator and the second vertical separator are both arc surfaces;

the two ends of the main body section are matched with the circular arc surfaces, and the tail end of the extension section is matched with the circular arc surfaces.

10. The air-cooled refrigerator of claim 2, wherein the air-cooled refrigerator is a refrigerator that uses air as a refrigerant

The refrigerator also comprises a first fan arranged in the first air channel and a second fan arranged in the second air channel.

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