Refrigerator and refrigeration system

Abstract

The embodiment of the utility model belongs to the refrigeration technology, and provides a refrigerator and a refrigeration system.The refrigerator comprises a refrigerator body, and a compressor cavity and an air guide channel communicating with the compressor cavity are formed in the refrigerator body; an air inlet communicated with the compressor cavity is formed in the bottom of the box body; an air outlet communicated with the air guide channel is formed in the rear part of the box body; the first evaporator is arranged in the box body and located on the side, away from the bottom end of the box body, of the compressor cavity; the first evaporator is the evaporator closest to the bottom end of the box body in the box body; the first evaporator comprises a plurality of rows of first fins which are sequentially arranged at intervals in the height direction of the box body; among the plurality of rows of first fins, the row of first fins closest to the bottom end of the box body is a bottom row of fins, and the row of first fins adjacent to the bottom row of fins is a secondary bottom row of fins; the air guide channel is located on the side, close to the bottom end of the box body, of the secondary bottom row fins, and the serious condensation phenomenon can be avoided at the air guide channel and the air outlet.

Description

Technical Field

[0001] This application relates to the field of refrigeration technology, and more particularly to a refrigerator and refrigeration system. Background Technology

[0002] Currently, refrigerators typically consist of a cabinet, a door, and a refrigeration system. The cabinet forms the refrigeration compartment. The door allows the refrigeration compartment to be opened and closed. The refrigeration system includes a compressor, condenser, expansion valve, and evaporator. When the evaporator is working, it transfers cold air to lower the temperature inside the refrigeration compartment, allowing the compartment to refrigerate or freeze items.

[0003] Refrigerators can be embedded in cabinets, but this results in lower heat dissipation efficiency. A better design involves placing air intake at the bottom of the cabinet, allowing air to flow through the compressor chamber and exchange heat with the compressor and condenser. The heated air is then guided upwards via a flow-guiding structure, and finally exits from the vents at the top of the cabinet, effectively dissipating heat from the refrigerator.

[0004] However, condensation easily forms at the air guide structure, affecting the user experience. Therefore, this application proposes a refrigerator and refrigeration system. Utility Model Content

[0005] This application provides a refrigerator and refrigeration system that can solve the technical problem of condensation easily occurring at the air guide structure.

[0006] In a first aspect, embodiments of this application provide a refrigerator, comprising:

[0007] The housing has a compressor chamber and an air guide channel communicating with the compressor chamber; an air inlet communicating with the compressor chamber is formed at the bottom of the housing; and an air outlet communicating with the air guide channel is formed at the rear of the housing.

[0008] The condenser is located inside the compressor cavity;

[0009] A fan is at least partially located inside the compressor cavity; the fan draws air into the compressor cavity through the air inlet to exchange heat with the condenser, and the fan sends the air after heat exchange with the condenser into the air guide channel so that the air is discharged from the air outlet;

[0010] A first evaporator is disposed within the housing and located on the side of the compressor cavity away from the bottom of the housing; the first evaporator is the evaporator closest to the bottom of the housing within the housing; the first evaporator includes:

[0011] Several rows of first fins are arranged at intervals along the height direction of the box; among the several rows of first fins, the row of first fins closest to the bottom of the box is the bottom row of fins, and the row of first fins adjacent to the bottom row of fins is the second bottom row of fins.

[0012] The air guide channel is located on the side of the secondary bottom row fins near the bottom of the housing. This reduces the space occupied by the air guide channel at the rear of the first evaporator and allows sufficient space to fill the insulation layer, making the insulation layer at the rear of the first evaporator sufficiently thick. This helps to prevent severe condensation at the air guide channel and air outlet.

[0013] According to one embodiment of this application, the housing includes:

[0014] The housing includes a rear panel located at the rear end of the housing;

[0015] The first air guide is disposed inside the outer casing; the first air guide is located in front of the rear plate, and the first air guide is connected to the rear plate to form the air guide channel, which facilitates the formation of the air guide channel.

[0016] According to one embodiment of this application, the housing includes a first inner liner disposed within the outer shell; the first evaporator is disposed within the first inner liner;

[0017] The top of the air guide channel is located on the side of the compressor cavity away from the bottom of the housing;

[0018] The first air guide is located behind the first inner liner. A first heat insulation layer is filled between the first air guide and the first inner liner to isolate the temperature and prevent the temperature at the first air guide from being too low, which would cause serious condensation.

[0019] According to one embodiment of this application, the housing includes a compressor cavity top plate for enclosing the compressor cavity; the compressor cavity top plate is located at the top of the compressor cavity;

[0020] The refrigerator includes a first drip tray, which is located at the bottom of the first evaporator to collect the condensate flowing down from the first evaporator.

[0021] A water receiving groove is formed inside the first inner liner, and the bottom end of the first water receiving tray is located inside the water receiving groove; a water receiving groove surface is formed on the first inner liner to form the water receiving groove; the water receiving groove surface is located on the side of the compressor cavity top plate away from the bottom end of the housing, and a second heat insulation layer is provided between the water receiving groove surface and the compressor cavity top plate to avoid excessive condensation caused by the low temperature at the compressor cavity top plate.

[0022] According to one embodiment of this application, the minimum distance between the first air guide and the water receiving trough surface is a first distance L1;

[0023] The minimum distance between the water receiving trough surface and the top plate of the compressor cavity in the height direction of the housing is the second distance L2, and the first distance L1 ≥ the second distance L2, so that the thickness of the temperature-insulating layer between the first air guide and the water receiving trough surface is greater than the thickness of the temperature-insulating layer between the water receiving trough surface and the top plate of the compressor cavity, which can reduce the condensation phenomenon at the first air guide.

[0024] According to one embodiment of this application, the first air guide includes a first air guide plate located in front of the air guide channel, and the first air guide plate has a first air guide surface on the side close to the air guide channel;

[0025] Along the front-rear direction of the housing, the top of the first air guide surface is located on the side of the bottom of the first air guide surface away from the front end of the housing;

[0026] A plane perpendicular to the width direction of the box is defined as the first plane;

[0027] The first air guide surface has a second contour line that is parallel to or intersects the first plane. The angle between the tangent of the second contour line and the height direction of the cabinet is a second angle β, which is an acute angle, so that the first air guide surface guides the air upward and backward, allowing the air to flow out from the rear of the refrigerator.

[0028] According to one embodiment of this application, the fan is located behind the condenser; the fan includes:

[0029] A volute housing has a fan chamber and an air outlet channel formed inside it; the fan chamber is connected to the compressor chamber; the air outlet channel is located on the side of the fan chamber away from the bottom of the housing, and is connected to the fan chamber; a fan outlet is formed on the volute housing; the fan outlet is located at the top of the air outlet channel, and the fan outlet connects the air guide channel and the air outlet channel;

[0030] A centrifugal fan is located inside the fan cavity.

[0031] The fan is located behind the condenser. The fan is a centrifugal fan, which can change the airflow direction, make full use of the space inside the compressor cavity, and reduce the occupation of the refrigeration room.

[0032] According to one embodiment of this application, the volute includes an air outlet plate for forming the air outlet channel, the air outlet plate being located behind the air outlet channel, and the air outlet plate having an air outlet surface on the side near the air outlet channel; the air outlet surface includes a first air outlet surface;

[0033] In the front-rear direction of the housing, the top of the first air outlet surface is located on the side of the bottom of the first air outlet surface away from the front end of the housing;

[0034] The first air outlet has a first contour line that is parallel to or intersects the first plane. The angle between the tangent of the first contour line and the height direction of the cabinet is a first angle α, which is an acute angle, so that the first air outlet is directed upward and backward, which facilitates the airflow from the rear of the refrigerator.

[0035] According to one embodiment of this application, the second included angle β ≥ the first included angle α. The purpose of setting the air guide channel and the air outlet channel is to guide the air upward and backward. Since the first air guide surface is on the front side of the air guide channel and guides the air in front, the second included angle cannot be too small, which is conducive to guiding the air upward. Since the first air outlet surface is located behind the air outlet channel and guides the air in rear, the first included angle cannot be too large, which is conducive to guiding the air backward. Setting the second included angle β ≥ the first included angle α can reduce the air outlet pressure and reduce eddies.

[0036] Secondly, embodiments of this application provide a refrigeration system, including a cabinet and the refrigerator described above;

[0037] The refrigerator is located inside the cabinet, and the refrigerator and the cabinet form a first heat dissipation channel located behind the refrigerator;

[0038] The front of the cabinet has a heat dissipation air inlet and a heat dissipation air outlet; the heat dissipation air inlet is located on the bottom of the refrigerator away from the top of the refrigerator; the heat dissipation air outlet is located on the top of the refrigerator away from the bottom of the refrigerator.

[0039] The heat dissipation air inlet is connected to the air inlet to allow air to enter the compressor cavity; the heat dissipation air outlet is connected to the first heat dissipation channel to allow air to exit the cabinet; this allows the built-in refrigerator to dissipate heat well, and while the air guide channel can guide air upward as much as possible, it can reduce the space occupied by the air guide channel at the rear of the first evaporator, and there is enough space to fill the insulation layer, making the insulation layer at the rear of the first evaporator sufficiently thick, which can avoid serious condensation at the air guide channel and air outlet. Attached Figure Description

[0040] To more clearly illustrate the implementation methods in the embodiments of this application or related technologies, the accompanying drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings.

[0041] Figure 1This is a perspective view of a refrigerator according to an embodiment of this application;

[0042] Figure 2 This is a partial structural diagram of a refrigerator according to an embodiment of this application;

[0043] Figure 3 This is a cross-sectional view of a refrigerator according to an embodiment of this application;

[0044] Figure 4 This is a partial structural cross-sectional view of a refrigerator according to an embodiment of this application;

[0045] Figure 5 This is a partial structural diagram of a refrigerator according to an embodiment of this application;

[0046] Figure 6 This is a partial structural view of a refrigerator according to an embodiment of this application from another perspective;

[0047] Figure 7 This is a partial structural cross-sectional view of a refrigerator according to an embodiment of this application from another perspective;

[0048] Figure 8 This is a partial structural cross-sectional view of a refrigerator according to an embodiment of this application from another perspective;

[0049] Figure 9 This is a partial structural cross-sectional view of a refrigerator according to an embodiment of this application from another perspective;

[0050] Figure 10 This is an exploded view of a partial structure of a wind turbine according to an embodiment of this application;

[0051] Figure 11 This is a partial structural cross-sectional view of a fan according to an embodiment of this application;

[0052] Figure 12 This is a partial structural view of a refrigerator according to an embodiment of this application from another perspective;

[0053] Figure 13 This is a perspective view of a refrigeration system according to an embodiment of this application;

[0054] Figure 14 This is a partial structural cross-sectional view of a refrigeration system according to an embodiment of this application.

[0055] Explanation of reference numerals in the attached figures:

[0056] 1: Box;

[0057] 111: Air inlet; 112: Air outlet; 113: Compressor cavity; 1131: Air inlet duct; 114: Air guide duct;

[0058] 12: Inner tank; 121: First inner tank; 1211: Water inlet; 12111: Water inlet surface; 122: Second inner tank;

[0059] 13: Outer shell; 131: Rear panel; 132: First base plate;

[0060] 141: First air guide component; 1411: First air guide plate; 14111: First air guide surface;

[0061] 1421: Top plate of compressor cavity; 1422: Front plate of compressor cavity;

[0062] 2: Box door;

[0063] 31: Condenser;

[0064] 321: First evaporator; 3211: First fin; 3212: Bottom row fin; 3213: Secondary bottom row fin;

[0065] 322: Second evaporator;

[0066] 33: Fan; 331: Volute; 3311: Fan cavity; 3312: Air outlet duct; 3313: Fan air outlet; 3314: Fan air inlet; 3315: Air outlet plate; 33151: Air outlet surface; 331511: First air outlet surface; 3316: Volute front plate; 3317: Volute rear plate; 3318: Fan enclosure;

[0067] 332: Centrifugal fan;

[0068] 34: Compressor; 35: First water receiving tray;

[0069] 36: Evaporating dish; 361: First evaporation chamber; 362: Second evaporation chamber;

[0070] 4: Cabinet; 41: First heat dissipation channel; 42: Cabinet back panel; 43: Heat dissipation air inlet; 44: Heat dissipation air outlet; 45: Second heat dissipation channel; 46: Third heat dissipation channel. Detailed Implementation

[0071] To make the objectives, implementation methods and advantages of this application clearer, the exemplary implementation methods of this application will be clearly and completely described below with reference to the accompanying drawings of the exemplary embodiments of this application. Obviously, the described exemplary embodiments are only some embodiments of this application, and not all embodiments.

[0072] It should be noted that the brief descriptions of terms in this application are only for the convenience of understanding the embodiments described below, and are not intended to limit the embodiments of this application. Unless otherwise stated, these terms should be understood in their ordinary and common meaning.

[0073] Furthermore, the terms “comprising” and “having”, and any variations thereof, are intended to cover but not exclusively include, for example, a product or device that includes a series of components is not necessarily limited to those that are explicitly listed, but may include other components that are not explicitly listed or that are inherent to such product or device.

[0074] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0075] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0076] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0077] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0078] As described in the background section, in related technologies, refrigerators can be embedded in cabinets, but this results in lower heat dissipation efficiency. In existing designs, air intake is located at the bottom of the cabinet, and air flows through the compressor chamber, exchanging heat with the compressor and condenser. The heated air is then guided upwards by a guide structure and exits from the air outlet at the top of the cabinet, thus dissipating heat from the refrigerator. To better guide the air upwards, the guide structure can be extended as far as possible to the top of the cabinet. However, this guide structure occupies space behind the evaporator's insulation layer, making the insulation layer thinner. This results in lower temperatures at the air guide structure, making it prone to condensation and negatively impacting the user experience.

[0079] To address the aforementioned technical problems, this application proposes a refrigerator, comprising a cabinet, a condenser, a fan, and a first evaporator. The cabinet contains a compressor cavity and an air guide channel communicating with the compressor cavity; an air inlet communicating with the compressor cavity is formed at the bottom of the cabinet; and an air outlet communicating with the air guide channel is formed at the rear of the cabinet. The condenser is located within the compressor cavity. The fan is at least partially located within the compressor cavity; the fan draws air into the compressor cavity through the air inlet to exchange heat with the condenser, and then sends the air, after heat exchange with the condenser, into the air guide channel so that the air is discharged from the air outlet. The first evaporator is located within the cabinet and on the side of the compressor cavity furthest from the bottom of the cabinet; the first evaporator is the evaporator closest to the bottom of the cabinet within the cabinet; the first evaporator includes several rows of first fins. Several rows of first fins are arranged at intervals along the height of the housing; among the several rows of first fins, the row of first fins closest to the bottom of the housing is the bottom row of fins, and the row of first fins adjacent to the bottom row of fins is the second bottom row of fins; the air guide channel is located on the side of the second bottom row of fins near the bottom of the housing, which can reduce the space occupied by the air guide channel at the rear of the first evaporator, and can provide enough space to fill the insulation layer, making the insulation layer at the rear of the first evaporator sufficiently thick, thus avoiding severe condensation at the air guide channel and air outlet.

[0080] This application provides a refrigerator as an embodiment. (See reference...) Figure 1 The refrigerator may include a cabinet 1. The cabinet 1 may define a refrigeration compartment. There may be multiple refrigeration compartments. The refrigeration compartment may be a refrigerator compartment or a freezer compartment.

[0081] refer to Figure 1 The refrigerator may include a door 2. The door 2 can be rotatably connected to the body 1, allowing the door 2 to open or close the cooling compartment. The door 2 and body 1 can be hinged, allowing the door 2 to rotate relative to the body 1. The door 2 can be a refrigerator door for closing the cooling compartment, or a freezer door for closing the freezer compartment.

[0082] The height of box 1 can be defined as the distance from its bottom to its top. Box 1 also has a width direction, which can be defined as the distance from one end of box 1 to its other end. Finally, box 1 has a front-to-back direction, which can be defined as the distance from its front to its rear. Of the height, width, and front-to-back directions of box 1, at least two are perpendicular to each other.

[0083] Door 2 can be connected to the front end of body 1. The refrigerator compartment and freezer compartment can be arranged sequentially along the height of body 1. The refrigerator compartment and freezer compartment can also be arranged sequentially along the width of body 1.

[0084] In some embodiments, reference Figure 3 and Figure 4 The refrigerator may include a refrigeration system. The refrigeration system may include a compressor 34, a condenser 31, a throttling device, and an evaporator connected in a cycle.

[0085] During refrigeration system operation, compressor 34 compresses refrigerant vapor to generate high-temperature, high-pressure refrigerant vapor, which is then transported to condenser 31. Condenser 31 liquefies the high-temperature, high-pressure refrigerant vapor, generating high-temperature, low-pressure refrigerant liquid, which is then transported to throttling device. The throttling device reduces the pressure of the refrigerant liquid, transforming the high-pressure, low-temperature refrigerant liquid into a low-pressure, low-temperature refrigerant liquid, which is then transported to evaporator. Evaporator receives the low-pressure, low-temperature refrigerant liquid and boils it under isobaric conditions, absorbing heat and vaporizing to form refrigerant vapor, thereby lowering the temperature inside the refrigerated room.

[0086] In some embodiments, reference Figure 2 An air inlet 111 is formed on the housing 1. The air inlet 111 is located at the bottom of the housing 1. An air outlet 112 is formed on the housing 1. The air outlet 112 is located at the rear of the housing 1.

[0087] A compressor chamber 113 is formed inside the housing 1. An air inlet 111 is connected to the compressor chamber 113. The air inlet 111 may be located at the bottom end of the compressor chamber 113.

[0088] An air guide channel 114 is formed inside the housing 1. The air guide channel 114 can communicate with the compressor cavity 113. In the height direction of the housing 1, the top end of the air guide channel 114 can be located on the side of the compressor cavity 113 away from the bottom end of the housing 1, so that the air guide channel 114 can guide the air in the compressor cavity 113 towards the side closer to the top end of the housing 1. The air outlet 112 can be located at the rear end of the air guide channel 114. The air outlet 112 communicates with the air guide channel 114.

[0089] In some embodiments, reference Figure 4 The refrigerator may include a condenser 31. The condenser 31 may be located inside the compressor cavity 113.

[0090] refer to Figure 4 The refrigerator 1 may include a fan 33. The fan 33 is at least partially disposed within the compressor cavity 113. The fan 33 is used to drive air into the compressor cavity 113 from the air inlet 111 and to drive air in the air guide channel 114 to be discharged from the air outlet 112. Specifically, the fan 33 draws air into the compressor cavity 113 through the air inlet 111 to exchange heat with the condenser 31, and the fan 33 sends the air after heat exchange with the condenser 31 into the air guide channel 114 so that the air after heat exchange with the condenser 31 is discharged from the air outlet 112.

[0091] In some embodiments, reference Figure 4 , Figure 5 and Figure 6 The fan 33 can be located behind the condenser 31. In the front-rear direction of the housing 1, the air inlet 111 can be located on the front side of the condenser 31.

[0092] The compressor chamber 113 may include an air inlet passage 1131. The air inlet passage 1131 may be located on the front side of the condenser 31. The air inlet 111 may be located at the bottom end of the air inlet passage 1131.

[0093] Air enters the front of the condenser 31 through the air inlet 111. The fan 33 draws the air from the front of the condenser 31 to the rear of the condenser 31. The air exchanges heat with the condenser 31 as it flows through it, and then the air is sent into the air guide channel 114 by the fan 33.

[0094] In some embodiments, the air guide channel 114 may be located on the side of the compressor cavity 113 away from the bottom end of the housing 1, so that the air guide channel 114 guides the air in the compressor cavity 113 upward and backward.

[0095] In some embodiments, reference Figure 4 , Figure 5 and Figure 6 The evaporator is located inside the housing 1. There is at least one evaporator. The evaporator is located on the side of the compressor chamber 113 away from the bottom of the housing 1.

[0096] The evaporator may include a first evaporator 321. The first evaporator 321 is disposed inside the housing 1. The first evaporator 321 is located on the side of the compressor cavity 113 away from the bottom end of the housing 1. The first evaporator 321 is the evaporator inside the housing 1 that is closest to the bottom end of the housing 1.

[0097] In some embodiments, reference Figure 2 , Figure 3 and Figure 4The housing 1 includes an outer shell 13. The housing 1 may include an inner liner 12. The inner liner 12 may be disposed within the outer shell 13. The compressor chamber 113 may be located between the outer shell 13 and the inner liner 12.

[0098] The inner liner 12 may include a first inner liner 121, such that the housing 1 may include the first inner liner 121. The first inner liner 121 may be located inside the outer shell 13. The first inner liner 121 may be the inner liner 12 closest to the bottom of the housing 1.

[0099] The inner liner 12 can have a refrigeration compartment. The first inner liner 121 can also have a refrigeration compartment. The refrigeration compartment formed in the first inner liner 121 can be a freezer compartment, making the first inner liner 121 a freezer inner liner.

[0100] The first evaporator 321 can be located inside the first inner liner 121, and the first evaporator 321 can provide cooling capacity to the cooling room inside the first inner liner 121.

[0101] In some embodiments, reference Figure 2 , Figure 3 and Figure 4 The inner liner 12 may include a second inner liner 122. Along the height direction of the cabinet 1, the second inner liner 122 may be located on the side of the first inner liner 121 away from the bottom end of the cabinet 1. A refrigeration compartment may be formed within the second inner liner 122. The refrigeration compartment within the second inner liner 122 can be a refrigerator compartment, making the second inner liner 122 a refrigerated inner liner. The first evaporator 321 can supply cooling capacity to the refrigeration compartment within the second inner liner 122.

[0102] In some embodiments, the evaporator may include a second evaporator 322. Along the height direction of the housing 1, the second evaporator 322 may be located on the side of the first evaporator 321 away from the bottom end of the housing 1. The second evaporator 322 may be disposed within the second inner liner 122. The second evaporator 322 can provide cooling capacity to the cooling compartment within the second inner liner 122.

[0103] In some embodiments, reference Figure 2 , Figure 3 and Figure 4 A heat insulation layer is provided behind the first evaporator 321. The first evaporator 321 may include first fins 3211. The first fins 3211 have several rows. The several rows of first fins 3211 are arranged at intervals along the height direction of the housing 1. Among the several rows of first fins 3211, the row of first fins 3211 closest to the bottom of the housing 1 is the bottom row of fins 3212. The row of first fins 3211 adjacent to the bottom row of fins 3212 is the second bottom row of fins 3213.

[0104] The air guide channel 114 is located on the side of the secondary bottom row fins 3213 near the bottom of the housing 1. This reduces the space occupied by the air guide channel 114 at the rear of the first evaporator 321, and allows enough space to fill the insulation layer, making the insulation layer at the rear of the first evaporator 321 sufficiently thick. This can prevent serious condensation from occurring at the air guide channel 114 and the air outlet 112.

[0105] In some embodiments, each row of first fins 3211 has a plurality of first fins 3211. The plurality of first fins 3211 in each row of first fins 3211 are arranged sequentially at intervals along the width direction of the housing 1.

[0106] In the bottom row fins 3212 of the first evaporator 321, the distance between two adjacent first fins 3211 is the first distance. In the non-bottom row fins of the first evaporator 321, the distance between two adjacent first fins 3211 is the second distance, and the first distance is greater than the second distance. The heat exchange requirement at the bottom of the first evaporator is relatively low, and setting the first distance greater than the second distance can match the heat exchange requirement of the first evaporator and avoid material waste. The air guide channel 114 is located on the side of the secondary bottom row fins 3213 near the bottom of the housing 1, which can guide the air upward as much as possible.

[0107] In some embodiments, reference Figure 5 , Figure 6 and Figure 7 The outer casing 13 may include a rear plate 131. The rear plate 131 may be located at the rear end of the outer casing 13. The housing 1 may include a first air guide 141. The first air guide 141 may be disposed inside the outer casing 13. The first air guide 141 is located in front of the rear plate 131. The first air guide 141 and the rear plate 131 are connected to form an air guide channel 114, facilitating the formation of the air guide channel.

[0108] In some embodiments, the first air guide 141 is located behind the first inner liner 121, and a first thermal insulation layer is filled between the first air guide 141 and the first inner liner 121 to isolate temperature and prevent excessive condensation caused by low temperature at the first air guide 141. The first thermal insulation layer may be a foamed layer.

[0109] In some embodiments, reference Figure 5 , Figure 6 and Figure 7 The outer casing 13 may include a first base plate 132. The first base plate 132 is connected to the bottom end of the rear plate 131. The first base plate 132 is used to enclose the compressor cavity 113, and the first base plate 132 may be located at the bottom end of the compressor cavity 113. The compressor 34 may be mounted on the first base plate 132. The fan 33 may be mounted on the first base plate 132. The rear plate 131 is used to enclose the compressor cavity 113. The rear plate 131 may be located at the rear end of the compressor cavity 113.

[0110] In some embodiments, the housing 1 may include a first side plate of the compressor cavity. The first side plate of the compressor cavity can be used to enclose the compressor cavity 113. The housing 1 may include a second side plate of the compressor cavity. The second side plate of the compressor cavity can be used to enclose the compressor cavity 113. The first side plate and the second side plate of the compressor cavity can be disposed opposite to each other in the width direction of the housing 1, with the first side plate located at one end of the compressor cavity along the width direction of the housing 1, and the second side plate of the compressor cavity located at the other end of the compressor cavity 113 along the width direction of the housing 1.

[0111] In some embodiments, reference Figure 5 , Figure 6 and Figure 7 The housing 1 may include a compressor chamber top plate 1421. The compressor chamber top plate 1421 may be used to enclose the compressor chamber 113. The compressor chamber top plate 1421 may be located at the top of the compressor chamber 113.

[0112] The housing 1 may include a compressor chamber front panel 1422. The compressor chamber front panel 1422 may be used to enclose the compressor chamber 113. The compressor chamber front panel 1422 may be located at the front end of the compressor chamber 113. The compressor chamber front panel 1422 and the rear panel 131 may be arranged opposite to each other in the front-rear direction of the housing 1.

[0113] The compressor cavity front plate 1422 is connected to the compressor cavity top plate 1421. The compressor cavity front plate 1422 and the compressor cavity top plate 1421 can be integrally formed parts.

[0114] In some embodiments, the housing 1 may include a second bottom plate located below the first inner liner 121. The rear end of the second bottom plate may be connected to the bottom end of the compressor cavity front plate 1422. The compressor cavity front plate 1422, the compressor cavity top plate 1421, and the second bottom plate may be integrally formed.

[0115] In some embodiments, the housing 1 may include a compressor chamber cover plate. The compressor chamber cover plate may include a compressor chamber top plate 1421. The compressor chamber cover plate may include a compressor chamber front plate 1422. The top end of the compressor chamber front plate 1422 may be connected to the front end of the compressor chamber top plate 1421. The compressor chamber cover plate may include a second bottom plate.

[0116] In some embodiments, reference Figure 5 , Figure 6 and Figure 7 The refrigerator includes a first drip tray 35. The first drip tray 35 is located at the bottom of the first evaporator 321 to collect the condensate flowing down from the first evaporator 321.

[0117] A water receiving groove 1211 is formed inside the first inner liner 121. The bottom end of the first water receiving tray 35 is located inside the water receiving groove 1211. A water receiving groove surface 12111 is formed on the first inner liner 121 to form the water receiving groove 1211. The water receiving groove surface 12111 is located on the side of the compressor cavity top plate 1421 away from the bottom end of the housing 1. A second heat insulation layer is provided between the water receiving groove surface 12111 and the compressor cavity top plate 1421 to prevent excessive condensation from occurring at the lower temperature of the compressor cavity top plate 1421. The second heat insulation layer can be a foamed layer.

[0118] In some embodiments, reference Figure 5 , Figure 6 and Figure 7 The minimum distance between the first air guide 141 and the water receiving trough surface 12111 is the first distance L1. The minimum distance between the water receiving trough surface 12111 and the compressor cavity top plate 1421 in the height direction of the housing 1 is the second distance L2. The first distance L1 ≥ the second distance L2, so that the thickness of the insulation layer between the first air guide 141 and the water receiving trough surface 12111 is greater than the thickness of the insulation layer between the water receiving trough surface 12111 and the compressor cavity top plate 1421, which can reduce the condensation phenomenon at the first air guide 141.

[0119] In some embodiments, the first air guide 141 includes a first air guide plate 1411 located in front of the air guide channel 114. The first air guide plate 1411 has a first air guide surface 14111 on the side near the air guide channel 114. Along the front-rear direction of the housing 1, the top end of the first air guide surface 14111 is located on the side of the bottom end of the first air guide surface 14111 away from the front end of the housing 1, such that the first air guide surface 14111 is used to guide air to the air outlet. The first air guide surface 14111 can be an inclined plane.

[0120] A plane perpendicular to the width direction of the cabinet 1 is defined as the first plane. The first air guide surface 14111 has a second contour line that is parallel to or intersects the first plane. The angle between the tangent of the second contour line and the height direction of the cabinet 1 is the second angle β. The second angle β is an acute angle, which allows the first air guide surface 14111 to guide air upward and backward, so that air can flow out from the rear of the refrigerator.

[0121] In some embodiments, the fan 33 may be a centrifugal fan. The air duct may be located on the side of the compressor cavity away from the bottom of the housing. The top of the fan may be inserted into the air duct. The bottom of the fan may be located inside the compressor cavity. In the height direction of the housing 1, the first evaporator 321 is located on the side of the fan 33 away from the bottom of the housing.

[0122] In some embodiments, reference Figure 8 , Figure 9 , Figure 10 and Figure 11The condenser 31 can be a microchannel heat exchanger. The fan 33 can be located behind the condenser 31. The fan 33 includes a volute 331. A fan chamber 3311 and an air outlet passage 3312 are formed within the volute 331. The fan chamber 3311 communicates with the compressor chamber 113, allowing air from the compressor chamber 113 to enter the fan chamber 3311. The air outlet passage 3312 is located on the side of the fan chamber 3311 away from the bottom of the housing 1. The air outlet passage 3312 communicates with the fan chamber 3311, allowing air from the fan chamber 3311 to enter the air outlet passage.

[0123] A fan outlet 3313 is formed on the volute 331. The fan outlet 3313 is located at the top of the air outlet channel 3312, connecting the air guide channel 114 and the air outlet channel 3312. The fan 33 includes a centrifugal fan 332, which is disposed within the fan chamber 3311. The fan is positioned behind the condenser, and being a centrifugal fan, it can change the airflow direction, fully utilize the space within the compressor chamber, and reduce the occupancy of the refrigeration compartment.

[0124] A fan inlet 3314 is formed on the volute 331. The fan inlet 3314 is located at the front of the volute 331, connecting the fan chamber 3311 and the compressor chamber 113. A condenser 31 is located in front of the fan 331. The condenser 31 is positioned in front of the volute 331, causing the fan inlet 3314 to be located behind the condenser 31, allowing air that has exchanged heat with the condenser 31 to enter the fan chamber 3311.

[0125] In some embodiments, reference Figure 8 , Figure 9 , Figure 10 and Figure 11 The volute 331 includes an air outlet plate 3315 for forming an air outlet channel 3312. The air outlet plate 3315 is located behind the air outlet channel 3312, and an air outlet surface 33151 is provided on the side of the air outlet plate 3315 closest to the air outlet channel 3312. In the front-rear direction of the housing 1, the top end of the air outlet surface 33151 is located on the side of the bottom end of the air outlet surface away from the front end of the housing 1.

[0126] The air outlet surface 33151 includes a first air outlet surface 331511. In the front-rear direction of the housing 1, the top end of the first air outlet surface 331511 is located on the side of the bottom end of the first air outlet surface 331511 away from the front end of the housing 1. The first air outlet surface 331511 can be an inclined plane.

[0127] The first air outlet surface 331511 has a first contour line that is parallel to or intersects with the first plane. The angle between the tangent of the first contour line and the height direction of the cabinet 1 is the first included angle α. The first included angle α is an acute angle, which makes the first air outlet surface rise and guide the air backward, so that the air can flow out from the rear of the refrigerator.

[0128] In some embodiments, the second included angle β is greater than or equal to the first included angle α. The purpose of the air guide channel 114 and the air outlet channel 3312 is to guide the air upward and backward. Since the first air guide surface 14111 is on the front side of the air guide channel, the first air guide surface 14111 guides the air on the front side. The second included angle cannot be too small, which is conducive to guiding the air upward. Since the first air outlet surface 331511 is located behind the air outlet channel 3312, the first air outlet surface 331511 guides the air on the rear side. The first included angle cannot be too large, which is conducive to guiding the air backward. Setting the second included angle β greater than or equal to the first included angle α can reduce the air outlet pressure and reduce eddies.

[0129] In some embodiments, reference Figure 12 The compressor 34 is located within the compressor cavity 113. The refrigerator may include an evaporating dish 36. The evaporating dish 36 is located within the compressor cavity 113. A first evaporating cavity 361 and a second evaporating cavity 362, which communicate with each other, are formed within the evaporating dish 36. The first evaporating cavity 361 is located on one side of the compressor 34 along the width direction of the cabinet 1. The second evaporating cavity 362 is located on the front side of the compressor 34. The front end of the first evaporating cavity 361 is located behind the front end of the second evaporating cavity 362.

[0130] The compressor cavity 113 includes an air inlet channel 1131. The air inlet channel 1131 is located on the front side of the first evaporation cavity 361, and also on one side of the second evaporation cavity 362 along the width direction of the housing 1. The second evaporation cavity 362 is formed inside the evaporation dish 36, which can make full use of the space on the front side of the compressor 34 and the rear side of the first inner liner 121, increase the volume of the evaporation dish 36, and prevent condensate from overflowing from the evaporation dish 36.

[0131] In some embodiments, reference Figure 8 , Figure 9 , Figure 1 and Figure 11 The minimum thickness of the air outlet duct 3312 in the front-to-back direction of the housing 1 is the first dimension W1. The maximum thickness of the centrifugal fan 332 in the front-to-back direction of the housing 1 is the second dimension W2. The first dimension W1 ≥ the second dimension W2, so as to avoid the air outlet duct 3312 from blocking the air outlet of the centrifugal fan 332 and improve the air volume.

[0132] In some embodiments, the volute 331 includes a front volute plate 3316 located at the front side of the volute 331. The volute 331 also includes a rear volute plate 3317 located at the rear side of the volute 331. A fan inlet 3314 is formed on the front volute plate 3316.

[0133] The volute 331 includes a fan surround 3318, which is located on the side of the front plate 3316 of the volute near the rear plate 3317. The fan surround 3318 is connected to the front plate 3316 of the volute. The fan surround 3318 surrounds the outside of the fan inlet 3314 and the centrifugal fan 332. The minimum distance between the fan surround 3318 and the outlet plate 3315 in the front-rear direction of the housing 1 is the third dimension W3. The maximum thickness of the centrifugal fan 332 in the front-rear direction of the housing 1 is the second dimension W2. The first dimension W3 ≥ the second dimension W2, which prevents the fan surround 3318 and the outlet plate 3315 from obstructing the airflow from the centrifugal fan 332 and improves the airflow volume.

[0134] refer to Figure 13 and Figure 14 This application also proposes a refrigeration system. The refrigeration system includes the refrigerator described in the above embodiments. The refrigeration system also includes a cabinet 4. The refrigerator is disposed within the cabinet 4. An installation space is formed within the cabinet 4. The refrigerator is disposed within the installation space.

[0135] refer to Figure 13 and Figure 14 The refrigerator and cabinet 4 form a first heat dissipation channel 41 located behind the refrigerator. The cabinet 4 includes a cabinet back panel 42 located at the back of the cabinet 4. The cabinet back panel 42 is located behind the refrigerator, and the refrigerator and cabinet back panel 42 are spaced apart to form the first heat dissipation channel 41 between the refrigerator and the cabinet back panel 42.

[0136] refer to Figure 13 and Figure 14 The front of the cabinet 4 has a heat dissipation air inlet 43 and a heat dissipation air outlet 44. The heat dissipation air inlet 43 is located on the bottom of the refrigerator away from the top. The heat dissipation air outlet 44 is located on the top of the refrigerator away from the bottom. The heat dissipation air inlet 43 is connected to the air inlet 111 to allow air to enter the compressor cavity 113; the heat dissipation air outlet 44 is connected to the first heat dissipation channel 41 to allow air to exit the cabinet 4.

[0137] Specifically, a second heat dissipation channel 45 is formed at the bottom of the cabinet 4, located below the refrigerator, and a heat dissipation air inlet 43 is located at the front end of the second heat dissipation channel 45. The heat dissipation air inlet 43 is connected to the second heat dissipation channel 45. The second heat dissipation channel 45 is connected to the air inlet 111, so that the air entering the second heat dissipation channel 45 from the heat dissipation air inlet 43 enters the compressor cavity 113.

[0138] refer to Figure 13 and Figure 14The top of the cabinet 4 is provided with a third heat dissipation channel 46, which is located on the side of the cabinet 1 away from the bottom. The third heat dissipation channel 46 is connected to the first heat dissipation channel 41. The heat dissipation outlet 44 is located at the front end of the third heat dissipation channel 46 and is connected to the third heat dissipation channel 46, so that the air coming out from the outlet 112 flows out through the first heat dissipation channel 41 and the third heat dissipation channel 46 and then out through the heat dissipation outlet 44. This allows the refrigerator embedded in the cabinet 4 to dissipate heat better, and at the same time, it allows the air guide channel to guide the air upward as much as possible, while reducing the space occupied by the air guide channel at the rear of the first evaporator. This allows enough space to fill the insulation layer, making the insulation layer at the rear of the first evaporator sufficiently thick, and preventing serious condensation at the air guide channel and the outlet.

[0139] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

[0140] For ease of explanation, the above description has been provided in conjunction with specific embodiments. However, the above exemplary discussion is not intended to be exhaustive or to limit the embodiments to the specific forms disclosed above. Various modifications and variations can be obtained based on the above teachings. The selection and description of the above embodiments are for the purpose of better explaining the principles and practical applications, thereby enabling those skilled in the art to better utilize the described embodiments and various different variations of embodiments suitable for specific use considerations.

Claims

1. A refrigerator, characterized in that, include: The housing (1) has a compressor chamber (113) and an air guide channel (114) communicating with the compressor chamber (113) inside it; an air inlet (111) communicating with the compressor chamber (113) is formed at the bottom of the housing (1); and an air outlet (112) communicating with the air guide channel (114) is formed at the rear of the housing (1). A condenser (31) is disposed within the compressor cavity (113); A fan (33) is at least partially located inside the compressor chamber (113); the fan (33) draws air into the compressor chamber (113) through the air inlet (111) to exchange heat with the condenser (31), and the fan (33) sends the air after heat exchange with the condenser (31) into the air guide channel (114) so ​​that the air is discharged from the air outlet (112); A first evaporator (321) is disposed within the housing (1) and located on the side of the compressor cavity (113) away from the bottom end of the housing (1); the first evaporator (321) is the evaporator within the housing (1) closest to the bottom end of the housing (1); the first evaporator (321) includes: A plurality of rows of first fins (3211) are arranged sequentially at intervals along the height direction of the housing (1); among the plurality of rows of first fins (3211), the row of first fins (3211) closest to the bottom end of the housing (1) is the bottom row of fins (3212), and the row of first fins (3211) adjacent to the bottom row of fins (3212) is the second bottom row of fins (3213); The air guide channel (114) is located on the side of the secondary bottom row fins (3213) near the bottom end of the housing (1).

2. The refrigerator according to claim 1, characterized in that, The housing (1) includes: The outer casing (13) includes a rear plate (131) located at the rear end of the outer casing (13); The first air guide (141) is disposed inside the outer shell (13); the first air guide (141) is located in front of the rear plate (131), and the first air guide (141) and the rear plate (131) are connected to form the air guide channel (114).

3. The refrigerator according to claim 2, characterized in that, The housing (1) includes a first inner liner (121), which is disposed inside the outer shell (13); the first evaporator (321) is disposed inside the first inner liner (121); The top of the air guide channel (114) is located on the side of the compressor cavity (113) away from the bottom of the housing (1); The first air guide (141) is located behind the first inner liner (121), and a first heat insulation layer is filled between the first air guide (141) and the first inner liner (121).

4. The refrigerator according to claim 3, characterized in that, The housing (1) includes a compressor cavity top plate (1421) for enclosing the compressor cavity (113); the compressor cavity top plate (1421) is located at the top of the compressor cavity (113); The refrigerator includes a first drip tray (35) located at the bottom of the first evaporator (321) to collect condensate flowing down from the first evaporator (321); A water receiving groove (1211) is formed inside the first inner liner (121), and the bottom end of the first water receiving tray (35) is located inside the water receiving groove (1211); a water receiving groove surface (12111) is formed on the first inner liner (121) for surrounding the water receiving groove (1211); the water receiving groove surface (12111) is located on the side of the compressor cavity top plate (1421) away from the bottom end of the box body (1), and a second heat insulation layer is provided between the water receiving groove surface (12111) and the compressor cavity top plate (1421).

5. The refrigerator according to claim 4, characterized in that, The minimum distance between the first air guide (141) and the water receiving trough surface (12111) is the first distance L1; The minimum distance between the water receiving trough surface (12111) and the compressor cavity top plate (1421) in the height direction of the box (1) is the second distance L2, and the first distance L1 ≥ the second distance L2.

6. The refrigerator according to claim 2, characterized in that, The first air guide (141) includes a first air guide plate (1411) located in front of the air guide channel (114), and the first air guide plate (1411) has a first air guide surface (14111) on the side close to the air guide channel (114); Along the front-rear direction of the housing (1), the top of the first air guide surface (14111) is located on the side of the bottom of the first air guide surface (14111) away from the front end of the housing (1); A plane perpendicular to the width direction of the box (1) is defined as the first plane; The first air guide surface (14111) has a second contour line that is parallel to or intersects with the first plane. The angle between the tangent of the second contour line and the height direction of the box (1) is a second angle β, which is an acute angle.

7. The refrigerator according to claim 6, characterized in that, The fan (33) is located behind the condenser (31); the fan (33) includes: A volute (331) is formed inside which a fan chamber (3311) and an air outlet channel (3312) are formed; the fan chamber (3311) is connected to the compressor chamber (113); the air outlet channel (3312) is located on the side of the fan chamber (3311) away from the bottom end of the housing (1), and the air outlet channel (3312) is connected to the fan chamber (3311); a fan outlet (3313) is formed on the volute (331); the fan outlet (3313) is located at the top of the air outlet channel (3312), and the fan outlet (3313) connects the air guide channel (114) and the air outlet channel (3312); A centrifugal fan (332) is disposed inside the fan cavity (3311).

8. The refrigerator according to claim 7, characterized in that, The volute (331) includes an air outlet plate (3315) for forming the air outlet channel (3312), the air outlet plate (3315) being located behind the air outlet channel (3312), and the air outlet plate (3315) having an air outlet surface (33151) on the side near the air outlet channel (3312); the air outlet surface includes a first air outlet surface (331511); In the front-rear direction of the housing (1), the top of the first air outlet surface (331511) is located on the side of the bottom of the first air outlet surface (331511) away from the front end of the housing (1). The first air outlet surface (331511) has a first contour line that is parallel to or intersects the first plane. The angle between the tangent of the first contour line and the height direction of the box (1) is a first angle α, which is an acute angle.

9. The refrigerator according to claim 8, characterized in that, The second included angle β is greater than or equal to the first included angle α.

10. A refrigeration system, characterized in that, Includes a cabinet (4) and a refrigerator as described in any one of claims 1-9; The refrigerator is located inside the cabinet (4), and the refrigerator and the cabinet (4) form a first heat dissipation channel (41) located behind the refrigerator; The front of the cabinet (4) has a heat dissipation air inlet (43) and a heat dissipation air outlet (44); the heat dissipation air inlet (43) is located on the bottom of the refrigerator away from the top of the refrigerator; the heat dissipation air outlet (44) is located on the top of the refrigerator away from the bottom of the refrigerator. The heat dissipation air inlet (43) is connected to the air inlet (111) so that air enters the compressor cavity (113); the heat dissipation air outlet (44) is connected to the first heat dissipation channel (41) so that air is discharged from the cabinet (4).

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