Refrigerator

Abstract

The utility model relates to the technical field of refrigeration equipment, and discloses a refrigerator. The refrigerator comprises an inner container defining a storage space; the air duct cover plate is located on the side, facing the storage space, of the inner container, an air outlet duct is defined by the air duct cover plate and the inner container, and an air outlet is formed in the air duct cover plate; and the air guide device is arranged at the air outlet, the air guide device comprises a first shutter and a second shutter, the first shutter and the second shutter are movably arranged at the air outlet, and the first shutter and the second shutter are arranged in a crossed mode and used for adjusting the air outlet direction of the air outlet. And when air flows out of the air outlet, the first shutter and the second shutter can movably adjust the air outlet direction, and the air outlet flexibility and diversity of the air outlet are further improved. In this way, when the refrigerator refrigerates, through movement of the first shutters and / or the second shutters, the air outlet can discharge air in multiple directions, the cooling speed and temperature uniformity of the storage space are improved, and then the time for the temperature in the refrigerator to reach the set temperature is shortened.

Description

Technical Field

[0001] The present application relates to the technical field of refrigeration equipment, for example, to a refrigerator. Background Art

[0002] At present, refrigerators, especially air-cooled refrigerators, are relatively large in size. Air outlets of refrigerators are generally provided with air outlet grilles. The air outlet grilles are an important part of the refrigerator. They not only play a role in safety protection, but also affect the air outlet direction and air volume of the refrigerator.

[0003] The design of the air outlet grille can affect the flow direction and efficiency of the airflow. In the related art, an air outlet grille is disclosed, which includes a frame and a plurality of transverse ribs connected to the frame. The transverse ribs are arranged at intervals so that the air outlet grille can not only guide the air outflow, but also prevent foreign objects from entering the air outlet and blocking the air outlet.

[0004] In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related art:

[0005] In the related art, the air outlet grille of the refrigerator is fixed, so that the air outlet of the refrigerator can only discharge air in one direction, which leads to poor temperature uniformity in the entire refrigerator and requires a relatively long time to reach the set temperature.

[0006] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present application, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0007] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical components or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0008] The disclosed embodiment provides a refrigerator to improve the temperature uniformity of the refrigerator during refrigeration and reduce the time to reach a set temperature.

[0009] An embodiment of the present disclosure provides a refrigerator, which includes: an inner tank, which defines a storage space; an air duct cover, which is located on the side of the inner tank facing the storage space, the air duct cover and the inner tank enclose an air outlet, and the air duct cover is provided with an air outlet; an air guide device, which is provided at the air outlet, the air guide device includes a first louver and a second louver, the first louver and the second louver are both movably provided at the air outlet, and the first louver and the second louver are cross-arranged for adjusting the air outlet direction of the air outlet.

[0010] Optionally, the first louver extends in the horizontal direction of the air outlet, and two ends of the first louver are rotatably connected to two ends of the air outlet in the horizontal direction so that the first louver can rotate around the horizontal direction; and / or, the second louver extends in the vertical direction of the air outlet, and two ends of the second louver are rotatably connected to two ends of the air outlet in the vertical direction so that the second louver can rotate around the vertical direction.

[0011] Optionally, there are multiple first louvers, and the multiple first louvers are arranged side by side at the air outlet. The air guide device also includes: a first driving device, which is drivingly connected to at least one first louver and is used to drive at least one first louver to rotate; a first connecting rod, which is rotationally connected to the same end of the multiple first louvers, and the first connecting rod drives the multiple first louvers to rotate synchronously.

[0012] Optionally, the air guiding device also includes: a first connecting plate, which is arranged on the first side of the air outlet and extends from the air duct cover toward the inner tank; a second connecting plate, which is arranged on the second side of the air outlet, the second side is arranged opposite to the first side, and the second connecting plate extends from the air duct cover toward the inner tank; wherein, one end of the first louver is rotatably connected to the first connecting plate, and the other end of the first louver is rotatably connected to the second connecting plate, the first connecting rod and the first driving device are located on the side of the second connecting plate away from the air outlet, and the other end of the first louver passes through the second connecting plate and is connected to the first connecting rod and the first driving device; and / or, the air guiding device also includes: a second rotating shaft, which is arranged at the other end of the first louver, the second rotating shaft of at least one first louver is drivingly connected to the first driving device; a connecting shaft, which is arranged on the second rotating shaft and is arranged parallel to the second rotating shaft, and the connecting shafts of multiple first louvers are all rotatably connected to the first connecting rod.

[0013] Optionally, there are multiple second louvers, and the multiple second louvers are arranged side by side at the air outlet. The air guide device also includes: a second driving device, drivingly connected to the other end of at least one second louver, for driving the at least one second louver to rotate; a second connecting rod, rotationally connected to the same end of the multiple second louvers, and the second connecting rod drives the multiple second louvers to rotate synchronously.

[0014] Optionally, the air guide device also includes: a third connecting plate, which is arranged on the third side of the air outlet and extends from the air duct cover toward the inner tank; a fourth connecting plate, which is arranged on the fourth side of the air outlet, the fourth side is arranged opposite to the third side, and the fourth connecting plate extends from the air duct cover toward the inner tank; wherein, one end of the second louver is rotatably connected to the third connecting plate, and the second connecting rod is movably located on the side of the third connecting plate or the fourth connecting plate facing the inner tank.

[0015] Optionally, the wind guide device also includes: a first rotating column, provided on the second louver, and rotatably connected to the second connecting rod; a second rotating column, provided on the second louver, and rotatably connected to the third connecting plate or the fourth connecting plate; wherein the first rotating column and the second rotating column are arranged in sequence at intervals along the width direction of the same end of the second louver, and the second louver can rotate around the second rotating column.

[0016] Optionally, the refrigerator also includes: a first detection device, located in the storage space, for detecting the temperature of the storage space; a controller, electrically connected to the first detection device and the air guide device, and the controller is configured to control the movement of the first louver and the second louver according to the temperature of the storage space.

[0017] Optionally, the refrigerator further includes: a second detection device, disposed at the air outlet, for detecting the wind pressure at the air outlet; wherein the second detection device is electrically connected to the controller, and the controller is configured to control the movement of the first louver and the second louver according to the wind pressure at the air outlet.

[0018] Optionally, the first louver interval is located on the side of the second louver facing the storage space; and / or, there are multiple air outlets, and the multiple air outlets are arranged at intervals along the extension direction of the air duct, wherein at least one air outlet is provided with a wind guiding device.

[0019] The refrigerator provided in the embodiments of the present disclosure can achieve the following technical effects:

[0020] The air outlet of the refrigerator is provided with an air guide device, which includes a first louver and a second louver, and the first louver and the second louver are arranged crosswise, so that the first louver and the second louver can guide the air outlet to discharge air in different directions. The first louver and the second louver are both movable, so that when the air outlet discharges air, the first louver and the second louver can be movable to adjust the air outlet direction, further improving the flexibility and diversity of the air outlet. In this way, when the refrigerator is refrigerating, the air outlet can discharge air in multiple directions through the movement of the first louver and / or the second louver, thereby improving the cooling speed and temperature uniformity of the storage space, thereby shortening the time for the temperature in the refrigerator to reach the set temperature.

[0021] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] One or more embodiments are exemplarily described by corresponding drawings, which do not limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements, and the drawings do not constitute a scale limitation, and wherein:

[0023] Figure 1 is a structural schematic diagram of a refrigerator provided by an embodiment of the present disclosure;

[0024] Figure 2 is a structural schematic diagram of an air duct cover plate provided by an embodiment of the present disclosure from one perspective;

[0025] Figure 3 is a structural schematic diagram of an air duct cover provided by an embodiment of the present disclosure from another perspective;

[0026] Figure 4 yes Figure 3 A schematic diagram of the enlarged structure of part A;

[0027] Figure 5 is a structural schematic diagram of an air guide device provided by an embodiment of the present disclosure from a perspective;

[0028] Figure 6 is a structural schematic diagram of an air guide device provided by an embodiment of the present disclosure from another perspective;

[0029] Figure 7 is a structural schematic diagram of an air guide device provided by an embodiment of the present disclosure from another perspective;

[0030] Figure 8 is a structural schematic diagram of a state of an air guide device provided by an embodiment of the present disclosure;

[0031] Fig. 9 is a structural schematic diagram of another state of an air guide device provided by an embodiment of the present disclosure;

[0032] Fig.10 is a structural schematic diagram of an air guide device provided by an embodiment of the present disclosure from another perspective;

[0033] Fig.11 yes Fig.10 A schematic diagram of the enlarged structure of part B;

[0034] Fig.12 yes Fig.10 Schematic diagram of the enlarged structure of part C.

[0035] Reference numerals:

[0036] 10. Inner liner; 101. Storage space; 20. Air duct cover; 201. Air outlet; 202. Air guide device; 203. Air guide ribs; 204. Fan cover; 30. First louver; 301. First connecting rod; 302. First driving device; 303. First rotating shaft; 304. Second rotating shaft; 305. Connecting shaft; 306. First connecting plate; 307. Second connecting plate; 308. Connecting part; 40. Second louver; 401. Second connecting rod; 402. Second driving device; 403. First rotating column; 404. Second rotating column; 405. Third connecting plate; 406. Fourth connecting plate; 50. First detection device. DETAILED DESCRIPTION

[0037] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0038] The terms "first", "second", etc. in the specification and claims of the disclosed embodiments and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate to describe the disclosed embodiments here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0039] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0040] In addition, the terms "disposed", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0041] Unless otherwise stated, the term "plurality" means two or more.

[0042] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0043] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0044] For the convenience of description, the up, down, left, right, front, and back directions of this application are as follows: Figure 1 shown.

[0045] Combination Figures 1 to 12 As shown, an embodiment of the present disclosure provides a refrigerator, which includes a box body, which includes an inner liner 10 and an air duct cover plate 20, and the inner liner 10 defines a storage space 101. The air duct cover plate 20 is located on a side of the inner liner 10 facing the storage space 101, and the air duct cover plate 20 and the inner liner 10 enclose an air duct, and the air duct cover plate 20 is provided with an air outlet 201.

[0046] The box body further includes a box shell, which is arranged on the outer side of the inner liner 10 , and a foaming layer is arranged between the box shell and the inner liner 10 .

[0047] The refrigerator also includes a fan and an evaporator. The inner tank 10 also defines an evaporator compartment. The evaporator is located in the evaporator compartment. The air duct is connected to the evaporator compartment. The inner tank 10 is also provided with a return air outlet, which is connected to the evaporator compartment and the storage space 101. The fan can drive the air flow from the air outlet to flow into the storage space 101 through the evaporator for heat exchange and then into the air duct, and then flow into the storage space 101 from the air outlet 201, so as to reduce the temperature of the storage space 101 and achieve cooling of the storage space 101.

[0048] In the disclosed embodiment, the air duct cover 20 is located on the side of the inner liner 10 facing the storage space 101, and encloses the air outlet duct with the inner liner 10, so that the fan can drive the air flow after heat exchange with the evaporator to flow into the air duct, and then flow into the storage space 101 from the air outlet 201 of the air duct cover 20.

[0049] In some optional embodiments, the inner liner 10 is partially recessed toward a side away from the storage space 101 to form an air duct groove, and the air duct cover plate 20 is arranged at the notch of the air duct groove, so that the air duct cover plate 20 and the inner liner 10 are enclosed to form an air duct. In this way, the air duct will not protrude toward the storage space 101, which can reduce the size of the storage space 101 occupied by the air duct, and ensure the storage space of the storage space 101.

[0050] In other optional embodiments, the air duct cover 20 protrudes from the side of the inner liner 10 facing the storage space 101, so that the air duct cover 20 and the inner liner 10 enclose the air duct. In this way, there is no need to change the shape of the inner liner 10, the thickness of the foam layer between the inner liner 10 and the box shell can be ensured, the size of the refrigerator will not be increased, and the insulation and cooling effects of the refrigerator are improved.

[0051] Optionally, at least one side wall of the inner liner 10 is provided with at least one air duct, wherein the air duct extends along the length direction of a side wall, and the air duct is provided with a plurality of air outlets 201, and the plurality of air outlets 201 are arranged in sequence and spaced apart along the extension direction of the air duct, thereby increasing the air outlet area of ​​the air duct so that air can be discharged in the storage space 101 along the length direction of the air duct.

[0052] Optionally, when a side wall is provided with a plurality of air ducts, the plurality of air ducts are arranged in sequence and spaced apart in the height direction, which can increase the air outlet range and air outlet volume of the storage space 101 in the height direction, and improve the cooling speed and temperature uniformity.

[0053] Optionally, when multiple side walls of the inner liner 10 are provided with air ducts, the rear side wall and the front side wall of the inner liner 10 are provided with air ducts, so that air can be discharged from the front and back of the inner liner 10, thereby increasing the air outlet volume and air outlet area.

[0054] Optionally, air ducts may also be provided on the left and right walls of the inner tank 10. It will be understood that in actual use, the position and number of air ducts may be set according to the size of the refrigerator and the locations of the components in the refrigerator, and the position and number of air outlets 201 may also be set according to the size of the refrigerator and the locations of the components in the refrigerator.

[0055] Alternatively, if Figures 3 to 12 As shown, the refrigerator also includes an air guiding device 202, which is arranged at the air outlet 201. The air guiding device 202 includes a first louver 30 and a second louver 40. The first louver 30 and the second louver 40 are both movably arranged at the air outlet 201, and the first louver 30 and the second louver 40 are cross-arranged for adjusting the air outlet direction of the air outlet 201.

[0056] In the disclosed embodiment, an air guide device 202 is provided at the air outlet 201, and the first louver 30 and the second louver 40 of the air guide device 202 are cross-arranged, indicating that the air guide directions of the first louver 30 and the second louver 40 are different, so that an air outlet direction of the air outlet 201 can be added, thereby improving the temperature uniformity in the storage space 101. In addition, the first louver 30 and the second louver 40 are both movably provided at the air outlet 201, so that the air outlet direction of the air outlet 201 can be adjusted by moving the first louver 30 and the second louver 40, further improving the temperature uniformity and cooling speed in the storage space 101, reducing the time for the refrigerator to reach the set temperature, reducing energy consumption, and improving the user experience.

[0057] Optionally, the first louver 30 extends in the horizontal direction of the air outlet 201 and is rotatably connected to both ends of the air outlet 201 in the horizontal direction; and / or, the second louver 40 extends in the vertical direction of the air outlet 201 and is rotatably connected to both ends of the air outlet 201 in the vertical direction.

[0058] In the disclosed embodiment, the first louver 30 extends in the horizontal direction, so that the first louver 30 can adjust the air outlet in the up and down direction of the air outlet 201. The second louver 40 extends in the vertical direction of the air outlet 201, so that the second louver 40 can adjust the air outlet in the left and right direction of the air outlet 201, so that the air outlet 201 can not only discharge air up and down, left and right, but also change the air outlet direction in real time, so that the refrigerator can reach the set dimension more quickly and the temperature difference at different positions in the refrigerator is smaller.

[0059] Alternatively, if Figure 6 As shown, the first louver 30 is spaced apart and located on a side of the second louver 40 facing the storage space 101 .

[0060] In the disclosed embodiment, the first louver 30 and the second louver 40 are arranged at intervals, so that the movements of the first louver 30 and the second louver 40 will not interfere with each other, ensuring the independent rotation of the first louver 30 and the second louver 40. The first louver 30 is located on the side of the second louver 40 facing the storage space 101, that is, the first louver 30 and the second louver 40 are arranged at intervals along the direction from the air duct cover 20 to the inner liner 10, so that the first louver 30 and the second louver 40 can both correspond to the air outlet 201, and can both adjust the air outlet of the air outlet 201, thereby increasing the air guide area of ​​the air outlet 201, so that when the air outlet 201 adjusts the air outlet, the air outlet of the entire air outlet 201 can be discharged in the direction adjusted by the first louver 30 or the second louver 40, thereby increasing the air volume and thus increasing the cooling speed.

[0061] Alternatively, if Figures 4 to 6 As shown, one end of the first louver 30 is rotatably connected to the air duct cover 20, and the number of the first louvers 30 is multiple, and the multiple first louvers 30 are arranged side by side at the air outlet 201, and the air guide device 202 also includes a first driving device 302 and a first connecting rod 301. The first driving device 302 is drivingly connected to the other end of at least one first louver 30, and is used to drive at least one first louver 30 to rotate; the first connecting rod 301 is rotatably connected to the same end of the multiple first louvers 30, and the first connecting rod 301 drives the multiple first louvers 30 to rotate synchronously.

[0062] In the disclosed embodiment, there are multiple first louvers 30, and multiple first louvers 30 are arranged side by side at the air outlet 201, so that the arrangement of multiple first louvers 30 can improve the guiding effect of the airflow at the air outlet 201. The first driving device 302 can drive at least one first louver 30 to rotate, and multiple first louvers 30 are connected together through the first connecting rod 301, so that when the first louver 30 driven and connected to the first driving device 302 rotates, the first connecting rod 301 connected to the multiple first louvers 30 can drive the multiple first louvers 30 to rotate synchronously, so that the rotation of multiple first louvers 30 can be achieved through one first driving device 302. It can be understood that: one active louver is provided among the multiple first louvers 30, and the other first louvers 30 are driven louvers, so that the synchronous rotation of multiple first louvers 30 can be achieved.

[0063] Optionally, there is one or two first connecting rods 301. When there is one first connecting rod 301, the first connecting rod is connected to one end or the other end of the plurality of first louvers 30. When there are two second connecting rods 301, both ends of the first louvers 30 are provided with first connecting rods 301.

[0064] Optionally, a plurality of first louvers 30 are arranged in sequence along the height direction of the air outlet 201 .

[0065] Optionally, the air guide device 202 also includes a first connecting plate 306 and a second connecting plate 307, the first connecting plate 306 is arranged on the first side of the air outlet 201, and extends from the air duct cover 20 toward the inner tank 10; the second connecting plate 307 is arranged on the second side of the air outlet 201, the second side is arranged opposite to the first side, and the second connecting plate 307 extends from the air duct cover 20 toward the inner tank 10; wherein, one end of the first louver 30 is rotatably connected to the first connecting plate 306, the first connecting rod 301 and the first driving device 302 are located on the side of the second connecting plate 307 away from the air outlet 201, and the other end of the first louver 30 passes through the second connecting plate 307 and is connected to the first connecting rod 301 and the first driving device 302.

[0066] In the disclosed embodiment, the first connecting plate 306 and the second connecting plate 307 are respectively arranged on opposite sides of the air outlet 201, the first connecting plate 306 is used to be rotatably connected to one end of the first louver 30, and the second connecting plate 307 is used to be rotatably connected to the other end of the first louver 30, so that both ends of the first louver 30 can be supported. The first connecting rod 301 and the first driving device 302 are located on the side of the second connecting plate 307 away from the air outlet 201, so that the first connecting rod 301 and the first driving device 302 will not affect the rotation of the first louver 30.

[0067] Optionally, one end of the second louver 40 is rotatably connected to the air duct cover 20, the number of the second louver 40 is multiple, and the multiple second louvers 40 are arranged side by side at the air outlet 201, and the air guide device 202 also includes a second driving device 402 and a second connecting rod 401, and the second driving device 402 is drivingly connected to the other end of at least one second louver 40, and is used to drive the at least one second louver 40 to rotate; the second connecting rod 401 is rotatably connected to the same end of the multiple second louvers 40, and the second connecting rod 401 drives the multiple second louvers 40 to rotate synchronously.

[0068] In the disclosed embodiment, one end of the second louver 40 is rotatably connected to the air duct cover plate 20, and the second driving device 402 is drivingly connected to the other end of at least one second louver 40. When the second driving device 402 drives the second louver 40 connected thereto to rotate, the second connecting rod 401 can drive the plurality of second louvers 40 to rotate. In this way, the plurality of second louvers 40 can be driven by one second driving device 402, thereby reducing the number of second driving devices 402 and the space occupied.

[0069] Alternatively, if Fig.10 and Fig.11 As shown, the air guide device 202 also includes a rotating shaft, which is arranged at the two ends of the first louver 30 in the length direction. The first connecting plate 306 and the second connecting plate 307 are both provided with rotating holes, and the rotating shafts are respectively located in the rotating holes so that the first louver 30 can rotate around the rotating shaft.

[0070] Optionally, the two rotating shafts include a first rotating shaft 303 and a second rotating shaft 304, wherein the first rotating shaft 303 is disposed at one end of the first louver 30 and is rotatably connected to the first connecting plate 306, and the second rotating shaft 304 is disposed at the other end of the first louver 30 and is rotatably connected to the second connecting plate 307. At least one second rotating shaft 304 also penetrates the second connecting plate 307 and is drivingly connected to the first driving device 302.

[0071] Optionally, the wind guiding device 202 also includes a connecting shaft 305, which is connected to the second rotating shaft 304, and the connecting shaft 305 is arranged parallel to the first rotating shaft 303, and the connecting shaft 305 is rotationally connected to the first connecting rod 301 to realize the connection between the multiple first louvers 30 and the first connecting rod 301.

[0072] Optionally, the wind guide device 202 includes a connecting portion 308, one end of the connecting portion 308 is connected to the two ends of the first louver 30 in the length direction, the connecting portion 308 extends in a direction perpendicular to the plane where the first louver 30 is located, and the other end of the connecting portion 308 is connected to the rotating shaft, thereby increasing the rotation smoothness of the first louver 30.

[0073] Optionally, the width of the connecting portion 308 gradually decreases in a direction away from the first louver 30 , which facilitates the connection between the connecting portion 308 and the rotating shaft and can also avoid mutual interference between adjacent first louvers 30 .

[0074] Optionally, the rotation axis corresponds to the center of the first louver 30 in the width direction, so that the inclination angle and inclination width of the first louver 30 when rotating upward or downward are the same or similar, so that the air volume of the upward and downward wind guides is the same or similar.

[0075] Alternatively, if Figure 6 As shown, the air guide device 202 also includes a third connecting plate 405 and a fourth connecting plate 406. The third connecting plate 405 is arranged on the third side of the air outlet 201 and extends from the air duct cover 20 toward the inner tank 10; the fourth connecting plate 406 is arranged on the fourth side of the air outlet 201, the fourth side is arranged opposite to the third side, and the fourth connecting plate 406 extends from the air duct cover 20 toward the inner tank 10; wherein, one end of the second louver 40 is rotatably connected to the third connecting plate 405, and the second connecting rod 401 is movably located on the side of the third connecting plate 405 or the fourth connecting plate 406 facing the inner tank 10.

[0076] In the disclosed embodiment, the third connecting plate 405 and the fourth connecting plate 406 are arranged opposite to each other, and the third connecting plate 405 and the fourth connecting plate 406 support both ends of the second louver 40 and realize the rotation of the second louver 40. The second connecting rod 401 is arranged on the side of the third connecting plate 405 or the fourth connecting plate 406 facing the inner liner 10, so that the second louver 40 connected to the second connecting rod 401 is not in the same plane as the first louver 30, so that the first louver 30 and the second louver 40 are spaced apart in the direction from the air duct cover plate 20 to the inner liner 10, so as to ensure the rotation of the first louver 30 and the second louver 40 and avoid mutual interference.

[0077] Optionally, the wind guide device 202 also includes a first rotating column 403 and a second rotating column 404, the first rotating column 403 is rotatably connected to the second connecting rod 401; the second rotating column 404 is rotatably connected to the third connecting plate 405 or the fourth connecting plate 406; wherein the first rotating column 403 and the second rotating column 404 are arranged in sequence at intervals along the width direction of the same end of the second louver 40.

[0078] In the disclosed embodiment, the first rotating column 403 is used to be rotatably connected to the second connecting rod 401, and the second rotating column 404 is rotatably connected to the third connecting plate 405 or the fourth connecting plate 406, so that when the second louver 40 driven and connected to the second driving device 402 rotates, the other second louvers 40 drive the other second louvers 40 to rotate through the second connecting rod 401. The second rotating column 404 is rotatably connected to the third connecting plate 405 or the fourth connecting plate 406, and the third connecting plate 405 and the fourth connecting plate 406 are fixed, so that the first rotating column 403 and the second connecting rod 401 can drive the second louver 40 to rotate around the second rotating column 404 to realize the rotation of the second louver 40.

[0079] Optionally, there are multiple second connecting rods 401, and the multiple second connecting rods 401 include a first sub-connecting rod and a second sub-connecting rod, the first sub-connecting rod is located on the side of the third connecting plate 405 facing the inner liner 10, and the second sub-connecting rod is located on the side of the fourth connecting plate 406 facing the inner liner 10, and a first rotating column 403 and a second rotating column 404 are provided at both ends of a second louver 40 along the length direction, the first sub-connecting rod is rotatably connected to the first rotating column 403 at one end of the second louver 40, and the third connecting plate 405 is rotatably connected to the second rotating column 404 at one end of the second louver 40. The second sub-connecting rod is rotatably connected to the first rotating column 403 at the other end of the second louver 40, and the fourth connecting plate 406 is rotatably connected to the second rotating column 404 at the other end of the second louver 40. Among them, the second driving device 402 is provided on the side of the third connecting plate 405 away from the air outlet 201.

[0080] Optionally, the first driving device 302 is an electric motor or the like.

[0081] Optionally, the second driving device 402 is an electric motor or the like.

[0082] Alternatively, if Figure 2 As shown, the refrigerator also includes a first detection device 50 and a controller. The first detection device 50 is arranged in the inner tank 10 and is located in the storage space 101. The first detection device 50 is used to detect the temperature of the storage space 101; the controller is electrically connected to the first detection device 50, the first louver 30 and the second louver 40, and the controller is configured to control the rotation of the first louver 30 and the second louver 40 according to the temperature of the storage space 101.

[0083] In the embodiment of the present disclosure, the first detection device 50 is used to detect the temperature in the storage space 101. The temperature of the storage space 101 can reflect the temperature conditions and cooling conditions in the refrigerator in real time. The controller can control the movement of the first louver 30 and the second louver 40 according to the temperature detected by the first detection device 50, and adjust the air outlet direction of the air outlet 201 to increase the cooling speed and improve the temperature uniformity in the refrigerator.

[0084] Optionally, the first detection device 50 is an infrared sensor.

[0085] Optionally, the first detection device 50 is disposed on a side of the air duct cover 20 facing the storage space 101 .

[0086] Optionally, the first detection device 50 is disposed in the middle of the air duct cover plate 20 in the height direction, so that the temperature of the storage space 101 can be detected more accurately.

[0087] Optionally, when multiple air ducts are provided on the same side wall, the first detection device 50 is provided between two adjacent air ducts to detect the temperature at a position far away from the air outlet 201, thereby accurately obtaining the temperature of the storage space 101 and timely controlling the operation of the air guide device 202.

[0088] Optionally, the first louver 30 can move between a first position, a second position, and a third position, wherein when the first louver 30 is in the first position, the first louver 30 is tilted upward along the air outlet direction to guide the air outlet 201 to discharge air upward. When the first louver 30 is in the second position, the first louver 30 extends in the vertical direction to close the air outlet 201. When the first louver 30 is in the third position, the first louver 30 is tilted downward along the air outlet direction, so that the air outlet 201 can be guided to discharge air downward. In this way, the first louver 30 can adjust the air outlet 201 in the up and down directions, thereby improving the flexibility of air outlet and the temperature uniformity in the storage space 101.

[0089] Optionally, when the plurality of first louvers 30 are all located at the second position, adjacent first louvers 30 abut against each other to close the air outlet. When the plurality of first louvers 30 are all located at the first position or the third position, adjacent first louvers 30 are spaced apart.

[0090] Optionally, the first louver 30 may also move to a seventh position, where the first louver extends in a horizontal direction so that the air outlet can discharge air forward or backward.

[0091] Optionally, the second louver 40 can move between a fourth position, a fifth position, and a sixth position. When the second louver 40 is in the fourth position, along the air outlet direction, the second louver 40 is tilted to the left, and is used to guide the air outlet 201 to discharge air toward the left side. When the second louver 40 is in the fifth position, along the air outlet direction, the second louver 40 extends in the horizontal direction, and is used to guide the air outlet 201 to discharge air in a direction perpendicular to the plane where the air outlet 201 is located. When the second louver 40 is in the sixth position, along the air outlet direction, the second louver 40 is tilted to the right. In this way, the second louver 40 can adjust the air outlet 201 in the left and right directions.

[0092] It can be understood that the first louver 30 is located on the side of the second louver 40 facing the storage space 101. Therefore, the first louver 30 can not only adjust the air outlet direction but also close the air outlet 201, so as to prevent debris in the storage space 101 from entering the air outlet 201 and blocking the air outlet 201.

[0093] Optionally, the refrigerator also includes a second detection device, which is arranged at the air outlet 201 and is used to detect the wind pressure of the air outlet 201; wherein the second detection device is electrically connected to the controller, and the controller is configured to control the rotation of the first louver 30 and the second louver 40 according to the wind pressure of the air outlet 201.

[0094] In the disclosed embodiment, the second detection device can detect the wind pressure of the air outlet 201, and the wind pressure can reflect the wind speed and the air volume. For example, when the power is initially turned on, the air outlet 201 can be fully opened to increase the air volume and the cooling speed. When the wind pressure exceeds the set wind pressure, the controller controls the first louver 30 or the second louver 40 to reduce the opening area of ​​the air outlet 201 to reduce the pressure of the fan and improve the air outlet efficiency.

[0095] Optionally, when there are multiple air outlets 201 , the multiple air outlets 201 are arranged at intervals along the extension direction of the air duct, wherein at least one air outlet 201 is provided with an air guiding device 202 .

[0096] In the disclosed embodiment, when there are multiple air outlets 201, all of the multiple air outlets 201 may be provided with air guides 202, or some of the air outlets 201 may be provided with air guides 202. Each air outlet 201 is provided with an air guide 202, so that the air outlet direction of each air outlet 201 can be adjusted, so that when the refrigerator is refrigerating, some of the air outlets 201 can be selectively opened, and the air outlet directions of different air outlets 201 can be different, or multiple air outlets 201 can be made to discharge air toward the same position, thereby improving the diversity of air outlet forms and the user experience.

[0097] Alternatively, if Figure 3 As shown, the air duct cover 20 is constructed with a fan slot, and the refrigerator also includes a fan cover 204, which is located between the air duct cover 20 and the inner tank 10, and the fan cover 204 covers the opening of the fan slot to enclose a fan cavity, which is connected to the air duct and is used to place the fan.

[0098] In the disclosed embodiment, the air duct cover 20 and the fan cover 204 enclose a fan cavity, the fan is located in the fan cavity, and the fan cavity is connected to the air duct, so that the airflow in the fan cavity can directly flow into the air outlet 201, and then flow out from the air outlet 201 under the guidance of the air guide device 202.

[0099] Optionally, when there are multiple air ducts, the fan cavity is provided with multiple fan outlets, and the number of fan outlets is the same as the number of air ducts and corresponds one to one, so that the air outlet of the fan can flow evenly into each air duct.

[0100] Optionally, when multiple air ducts are provided on the same side wall, the multiple air ducts are arranged side by side and spaced apart in the height direction, the fan cavity is located at one end in the length direction of the side wall, and the fan cavity is located between two air ducts in the height direction, and the multiple fan outlets of the fan cavity correspond one-to-one to the multiple air ducts and are connected.

[0101] Optionally, when there are multiple air ducts on the same side wall, the air duct cover plates 20 corresponding to the multiple air ducts on the same side wall are of an integrated structure, which facilitates installation and removal of the air duct cover plates 20 .

[0102] Optionally, the refrigerator further includes an air guiding rib 203 , which extends from the fan cavity toward the air outlet 201 and is used to guide the airflow flowing out of the fan cavity to the air outlet 201 .

[0103] Optionally, the air guide ribs 203 are arc-shaped, and the arc-shaped openings face downward, which can reduce the loss of airflow guided by the air guide ribs 203 and extend the air guide path.

[0104] Optionally, the refrigerator is an air-cooled refrigerator, in particular a horizontal air-cooled refrigerator. It can be understood that the refrigerator can also be a vertical refrigerator. The air guide device 202 provided in the embodiment of the present disclosure can also be applied to other refrigeration devices such as refrigerators, freezers, and medical refrigerators.

[0105] Optionally, the fan is a centrifugal fan.

[0106] Optionally, the evaporator is a finned evaporator.

[0107] Optionally, the bottom wall of the inner tank 10 forms a step upward, the compressor is placed below the step, and the evaporator is arranged above the step, and the evaporator is a vertical evaporator or a horizontal evaporator. The refrigerator also includes a return air cover, which is located above the step. The return air cover and the step enclose an evaporator compartment, and the evaporator is located in the evaporator compartment, wherein the return air cover is provided with a return air port, so that the airflow of the storage space 101 flows into the evaporator compartment through the return air port, flows to the air duct of the side wall after heat exchange with the evaporator, and then flows out from the air outlet 201.

[0108] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A refrigerator, characterized in that: include: The liner defines the storage space; The air duct cover is located on the side of the inner liner facing the storage space, the air duct cover and the inner liner enclose the air duct, and the air duct cover is provided with an air outlet; The air guide device is arranged at the air outlet, and comprises a first louver and a second louver. The first louver and the second louver are both movably arranged at the air outlet, and the first louver and the second louver are cross-arranged to adjust the air outlet direction of the air outlet.

2. The refrigerator according to claim 1, characterized in that: The first louver extends in the horizontal direction of the air outlet, and two ends of the first louver are rotatably connected to two ends of the air outlet in the horizontal direction, so that the first louver can rotate around the horizontal direction; and / or, The second louver extends along the vertical direction of the air outlet, and two ends of the second louver are rotatably connected to two ends of the air outlet along the vertical direction, so that the second louver can rotate around the vertical direction.

3. The refrigerator according to claim 1, characterized in that: There are multiple first louvers, and the multiple first louvers are arranged side by side at the air outlet. The air guide device also includes: A first driving device is drivingly connected to at least one first louver and is used to drive at least one first louver to rotate; The first connecting rod is rotatably connected to the same end of the plurality of first louvers, and the first connecting rod drives the plurality of first louvers to rotate synchronously.

4. The refrigerator according to claim 3, characterized in that: The wind guide device also includes: A first connecting plate is disposed on a first side of the air outlet and extends from the air duct cover toward the inner tank; A second connecting plate is arranged on a second side of the air outlet, the second side is arranged opposite to the first side, and the second connecting plate extends from the air duct cover plate toward the inner tank; wherein one end of the first louver is rotatably connected to the first connecting plate, the other end of the first louver is rotatably connected to the second connecting plate, the first connecting rod and the first driving device are located on a side of the second connecting plate away from the air outlet, and the other end of the first louver passes through the second connecting plate and is connected to the first connecting rod and the first driving device; and / or, The wind guide device also includes: A second rotating shaft is provided at the other end of the first louver, and at least one second rotating shaft of the first louver is drivingly connected to the first driving device; The connecting shaft is arranged on the second rotating shaft and is arranged parallel to the second rotating shaft. The connecting shafts of the plurality of first louvers are all rotatably connected to the first connecting rod.

5. The refrigerator according to claim 1, characterized in that: There are multiple second louvers, and the multiple second louvers are arranged side by side at the air outlet. The air guide device also includes: A second driving device is drivingly connected to the other end of the at least one second louver and is used to drive the at least one second louver to rotate; The second connecting rod is rotatably connected to the same end of the plurality of second louvers, and the second connecting rod drives the plurality of second louvers to rotate synchronously.

6. The refrigerator according to claim 5, characterized in that: The wind guide device also includes: A third connecting plate is provided on a third side of the air outlet and extends from the air duct cover plate toward the inner tank; A fourth connecting plate is arranged on a fourth side of the air outlet, the fourth side is arranged opposite to the third side, and the fourth connecting plate extends from the air duct cover plate toward the inner tank; The two ends of the second louver are rotatably connected to the third connecting plate and the fourth connecting plate respectively, and the second connecting rod is movably located on the side of the third connecting plate or the fourth connecting plate facing the inner tank.

7. The refrigerator according to claim 6, characterized in that: The wind guide device also includes: A first rotating column is provided on the second louver and is rotatably connected to the second connecting rod; A second rotating column, provided on the second louver, and rotatably connected to the third connecting plate or the fourth connecting plate; The first rotating column and the second rotating column are sequentially arranged at intervals along the width direction of the same end of the second louver, and the second louver can rotate around the second rotating column.

8. The refrigerator according to claim 1, characterized in that: Also includes: A first detection device, located in the storage space, for detecting the temperature of the storage space; The controller is electrically connected to the first detection device and the air guide device, and is configured to control the movement of the first louver and the second louver according to the temperature of the storage space.

9. The refrigerator according to claim 8, characterized in that: Also includes: The second detection device is provided at the air outlet and is used to detect the wind pressure at the air outlet; The second detection device is electrically connected to the controller, and the controller is configured to control the movement of the first louver and the second louver according to the wind pressure at the air outlet.

10. The refrigerator according to any one of claims 1 to 9, characterized in that: The first louver is arranged at a distance from the second louver on a side facing the storage space; and / or, There are multiple air outlets, which are arranged at intervals along the extension direction of the air duct, wherein at least one air outlet is provided with an air guiding device.

Images