A refrigerator that facilitates water evaporation

Abstract

The present invention provides a refrigerator that facilitates water evaporation, comprising: at least one inner tank, which includes a first inner tank at the bottom; a drain pipe extending downward from the bottom of the first inner tank, for drawing out liquid water in the first inner tank; a bottom tank, which is located below the first inner tank, and whose bottom wall includes a front bottom plate and a rear bottom plate arranged at intervals in front and back, and the interval between the two is used to connect the internal space of the bottom tank with the space below the bottom tank, the rear part of the top wall of the bottom tank is higher than the front part, so as to accommodate the compressor in the rear space of the bottom tank, and the lateral two side walls of the bottom tank respectively have vents connecting the inner and outer spaces of the bottom tank; and a water receiving tray, which is installed on the upper surface of the front bottom plate, so that airflow enters the bottom tank from the two vents to cool the compressor, and then flows to the water receiving tray to promote the evaporation of liquid water. The refrigerator of the present invention can make the liquid water in the water receiving tray evaporate faster.

Description

Technical Field

[0001] The invention relates to the technical field of household appliances, and in particular to a refrigerator which is beneficial to water evaporation. Background Art

[0002] In existing refrigerators, the compressor is usually arranged in a compressor compartment located at the rear side of the bottom of the refrigerator, and an evaporating dish is arranged in the compressor compartment. A drainage pipe extends from the center of the bottom of the freezing tank, and the drainage pipe extends to the evaporating dish in the compressor compartment to guide the liquid water in the freezing tank to the evaporating dish, where the evaporating dish absorbs the heat emitted by the compressor to complete evaporation.

[0003] However, since the press chamber is located at the rear of the bottom of the refrigerator, away from the bottom center of the freezer, the drain pipe needs to be extended at an angle, which makes the drain pipe longer. Moreover, since its extension direction is inclined, if there is foreign matter inside, it is difficult to remove it smoothly, causing blockage.

[0004] Moreover, in the existing refrigerator, even if the heat emitted by the compressor is absorbed, the water in the evaporating dish may not be evaporated for a long time, and may overflow to affect the normal operation of other parts of the refrigerator, and may also produce odor. Summary of the invention

[0005] In view of the above problems, an object of the present invention is to provide a refrigerator that is conducive to water evaporation and overcomes the above problems or at least partially solves the above problems, so that the liquid water in the water receiving tray can be evaporated faster in time.

[0006] A further object of the present invention is to avoid clogging of the drain pipe.

[0007] A further object of the present invention is to increase the height of the storage space at the bottom of the refrigerator from the ground, thereby reducing the need for users to bend over to take or place items.

[0008] In particular, the present invention provides a refrigerator that facilitates water evaporation, comprising:

[0009] at least one liner, comprising a first liner at the bottom;

[0010] A drain pipe extending downward from the bottom of the first inner tank and used for draining liquid water in the first inner tank;

[0011] A bottom bin, which is located below the first liner, and whose bottom wall includes a front bottom plate and a rear bottom plate spaced apart from each other, the space between the two being used to connect the internal space of the bottom bin with the space below the bottom bin, the rear portion of the top wall of the bottom bin being higher than the front portion so as to accommodate the compressor in the rear space within the bottom bin, and the two lateral side walls of the bottom bin respectively having vents connecting the inner and outer spaces of the bottom bin; and a water receiving tray, which is installed on the upper surface of the front bottom plate so that airflow enters the bottom bin from the two vents to cool the compressor, and then flows to the water receiving tray to promote the evaporation of liquid water.

[0012] Optionally, the rear portion of the bottom wall of the water receiving tray gradually tilts upward from front to back to form a slope surface, so as to guide the airflow from the compressor to flow to the bottom of the water receiving tray to heat the bottom of the water receiving tray.

[0013] Optionally, the refrigerator further includes: a condenser, which is horizontally placed below the front bottom plate; and the airflow entering the bottom bin from the ventilation hole flows to the condenser through the gap between the front bottom plate and the rear bottom plate to cool the condenser.

[0014] Optionally, the refrigerator also includes: baffles extending forward and backward, abutting against the lower sides of the front bottom plate and the rear bottom plate to laterally divide the space between the bottom wall of the bottom bin and the support surface of the refrigerator; and the compressor is located on one lateral side of the baffle; the condenser is divided into two parts by the baffle, and the total heat exchange capacity of the part on the same side as the compressor is smaller than that of the other part.

[0015] Optionally, the drain pipe extends downward from the bottom of the first inner tank in a vertical direction.

[0016] Optionally, the water receiving tray is provided with an overflow pipe, the bottom end of which is connected to the surface of the water receiving tray and the top end is open; the lower end of the drain pipe is inserted into the overflow pipe so that after liquid water fills the overflow pipe, it overflows from the top of the overflow pipe to use liquid water to seal the bottom end of the drain pipe.

[0017] Optionally, the bottom wall of the first inner tank is funnel-shaped and gradually extends downward from the periphery to a central water collection point, and the central water collection point is located in the front half area of ​​the bottom of the first inner tank, and the drain pipe is connected to the central water collection point.

[0018] Optionally, a top cover is provided in the first inner tank, and the top cover is used to divide the internal space of the first inner tank into a storage space located above and a cooling space located below; and the evaporator of the refrigerator is placed horizontally in the cooling space, and is configured to cool the airflow entering the cooling space to form a cooling airflow.

[0019] Optionally, the refrigerator also includes: an air supply duct, which is arranged on the inner side of the rear wall of the first inner tank, connected to the cooling space, and configured to deliver at least part of the cooling airflow to the storage space; the top cover includes a top cover body and a supporting portion protruding upward from the rear end of the top cover body, and the front wall surface of the air supply duct is formed with a supporting portion protruding forward, and the top cover and the air supply duct are arranged so that the supporting portion supports the supporting portion to prevent the air supply duct from falling.

[0020] Optionally, the first liner is a freezing liner, and the storage space is a freezing space; and the refrigerator further includes: a variable temperature liner, located directly above the storage liner, defining a variable temperature space therein; and a refrigerated liner, located directly above the variable temperature liner, defining a refrigerated space therein.

[0021] In the refrigerator of the present invention, the hot air flowing from the compressor is blown toward the water receiving tray, which can promote the evaporation of liquid water and prevent excessive overflow or generation of peculiar smell.

[0022] Furthermore, in the refrigerator of the present invention, the condenser is exposed at the lowest end of the refrigerator, which is beneficial to heat dissipation on the one hand, and is located directly below the water receiving tray on the other hand, which is beneficial to the heat absorption and evaporation of water in the water receiving tray.

[0023] Furthermore, in the refrigerator of the present invention, the water receiving tray is placed under the first inner container, and the drain pipe is arranged vertically, so that the water in the first inner container can be drained smoothly, and it is also more conducive to the downward flow of impurities such as screws and ice cubes that may be contained therein. At the same time, the vertical arrangement of the drain pipe also makes its length the shortest, which can also facilitate the discharge of water and impurities.

[0024] Furthermore, in the refrigerator of the present invention, the drain pipe is inserted into the overflow pipe, and after the liquid water fills the overflow pipe, it overflows from the top of the overflow pipe, so that the bottom of the drain pipe is sealed with liquid water, i.e., a water seal is formed, thereby avoiding cold leakage at the bottom of the drain pipe when the drain pipe does not drain water.

[0025] Furthermore, in the refrigerator of the present invention, the lowest space is the cooling space, which raises the height of the storage space above the cooling space, reduces the degree of bending when the user takes out and puts items in the storage space, and improves the user experience. In addition, the top cover and the air supply duct have a special design structure, which prevents the air supply duct from falling when subjected to external force, making the installation of the air supply duct more stable, thereby ensuring the cooling effect during the operation of the refrigerator.

[0026] Furthermore, in the refrigerator of the present invention, the specially designed structures of the supporting portion and the support portion and the specially designed structure of the top cover body have a drainage function, which facilitates the collection of liquid water on the top cover and facilitates timely cleaning by the user.

[0027] Based on the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will become more aware of the above and other objects, advantages and features of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0029] Figure 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention;

[0030] Figure 2 is a schematic diagram of a combination of a first inner container, a bottom compartment and a water receiving tray according to an embodiment of the present invention;

[0031] Figure 3 yes Figure 2 An exploded schematic diagram of the structure shown;

[0032] Figure 4 yes Figure 2 Schematic diagram of the state after the water tray is pulled out;

[0033] Figure 5 It is cut along a vertical plane extending forward and backward Figure 2 The structure shown is a schematic cross-sectional view after omitting the first inner container;

[0034] Figure 6 It is a schematic exploded view of the water tray and the drain pipe;

[0035] Figure 7 yes Figure 1 A schematic diagram of the bottom structure of the refrigerator shown;

[0036] Figure 8 is a front view of a refrigerator according to an embodiment of the present invention after the first inner tank, the air supply duct, the return air cover, the top cover and other components are assembled;

[0037] Fig. 9 yes Figure 8 A magnified image of area A;

[0038] Fig.10 is a first partial exploded schematic diagram of a refrigerator according to an embodiment of the present invention;

[0039] Fig.11 It is a three-dimensional schematic diagram of a refrigerator according to an embodiment of the present invention after the first inner tank, the air supply duct, the return air cover, the top cover and other components are assembled;

[0040] Fig.12 is a side view of a refrigerator according to an embodiment of the present invention after the first inner tank, the air supply duct, the return air cover, the top cover and other components are assembled;

[0041] Fig.13 is a second partial exploded schematic diagram of a refrigerator according to an embodiment of the present invention;

[0042] Fig.14 is an exploded schematic diagram of a return air frame and a return air rear cover of a refrigerator according to an embodiment of the present invention;

[0043] Fig.15 is a partial cross-sectional view of a refrigerator according to an embodiment of the present invention; and

[0044] Fig.16 yes Fig.15 Magnified view of area B in the middle. DETAILED DESCRIPTION

[0045] This embodiment provides a refrigerator that facilitates water evaporation. Figures 1 to 16 In the following description, the directions or positional relationships indicated by "front", "rear", "up", "down", "lateral", etc. are directions or positional relationships based on the refrigerator itself as a reference, and "front" and "rear" are used as references. Figure 1 The direction indicated, such as Figure 8 As shown, "lateral" refers to a direction parallel to the width of the refrigerator.

[0046] like Figure 1 and Figure 2 As shown, the refrigerator 100 may generally include a body, which includes an outer shell and at least one inner liner arranged on the inner side of the outer shell, the space between the outer shell and the inner liner is filled with a heat-insulating material (forming a foaming layer), a storage space is defined in the inner liner, and a corresponding door body is also arranged on the front side of each inner liner to open and close the corresponding storage space.

[0047] In some embodiments, the number of at least one inner container is multiple, and the inner container at the bottom is the first inner container 130. The first inner container 130 can be configured as a freezing inner container, and accordingly, the storage space 132 is a freezing space. Figure 1 As shown, there are two transversely distributed temperature-changing inner tanks 131 located directly above the first inner tank 130 and a refrigeration inner tank 120 located directly above the two temperature-changing inner tanks 131. Each temperature-changing inner tank 131 defines a temperature-changing space, and the refrigeration inner tank 120 defines a refrigeration space 121.

[0048] As is well known to those skilled in the art, the temperature in the refrigerated space 121 is generally between 2°C and 10°C, preferably between 4°C and 7°C. The temperature in the freezer space is generally between -22°C and -14°C. The variable temperature space can be adjusted to -18°C to 8°C at will. Different types of items have different optimal storage temperatures and different suitable storage locations. For example, fruit and vegetable foods are suitable for storage in the refrigerated space 121, while meat foods are suitable for storage in the freezer space.

[0049] Those skilled in the art may appreciate that the refrigerator 100 of this embodiment may further include an evaporator 101, a blower 104, a compressor (not shown), a condenser 500, and a throttling element (not shown), etc. The evaporator 101 is connected to the compressor, the condenser 500, and the throttling element via a refrigerant pipeline to form a refrigeration cycle.

[0050] In particular, the refrigerator of the embodiment of the present invention may further include a drain pipe 400 and a water receiving tray 300. The drain pipe 400 vertically extends downward from the bottom of the first inner container to draw out the liquid water in the first inner container. The water receiving tray 300 is located below the first inner container to receive the liquid water flowing out from the bottom of the drain pipe 400. Figure 6As shown, the engaging tray 401 on the upper portion of the drain pipe 400 is used to connect with the first inner container 130 .

[0051] The present invention sets the drain pipe 400 vertically, so that the water in the first inner tank 130 can be discharged smoothly, and it is also more conducive to the downward flow of impurities such as screws and ice cubes that may be contained therein. At the same time, the vertical setting of the drain pipe 400 also makes its length the shortest, which can also facilitate the discharge of water and impurities.

[0052] The condenser 500 of the refrigerator is placed horizontally below the first inner tank 130, and the water receiving tray 300 is positioned just above the condenser 500, so that the water receiving tray 300 absorbs the heat emitted by the condenser 500 to facilitate evaporation of liquid water therein.

[0053] like Figure 2 and Figure 3 As shown, the refrigerator 100 further includes a bottom bin 200. The bottom bin 200 is located below the first inner tank 130. The rear portion of the top wall of the bottom bin 200 is higher than the front portion, so that the rear space is higher and the front space is lower. The compressor of the refrigerator 100 is arranged in the rear space of the bottom bin 200. The water receiving tray 300 is located in the front space of the bottom bin 200, and the drain pipe 400 extends into the bottom bin 200 through the opening of the top wall of the bottom bin 200.

[0054] More specifically, the bottom wall of the bottom bin 200 includes a front bottom plate 204 and a rear bottom plate 202 that are spaced apart from each other, and the space between the two is used to connect the inner space of the bottom bin 200 with the space below the bottom bin 200. The water receiving pan 300 is installed on the upper surface of the front bottom plate 204, and the compressor is installed on the upper surface of the rear bottom plate 202. The condenser 500 is arranged against the lower surface of the front bottom plate 204.

[0055] like Figure 3 As shown, the front bottom plate 204 is provided with a plurality of ventilation holes 204a for connecting the inner and outer spaces of the bottom bin 200, which is beneficial for the heat absorption of the water receiving pan 300 and the heat dissipation of the condenser 500. The two lateral side walls 203 of the bottom bin 200 each have a ventilation opening 206 for connecting the inner and outer spaces of the bottom bin 200.

[0056] like Figure 5 As shown, because the water receiving pan 300 is installed on the upper surface of the front bottom plate 204, the airflow can enter the bottom bin 200 from the two vents 206 to cool the compressor, and then flow to the water receiving pan 300 to promote the evaporation of liquid water. The rear part of the bottom wall of the water receiving pan 300 gradually tilts upward from front to back to form a slope surface 301, so as to guide the airflow from the compressor to flow to the bottom of the water receiving pan 300, so as to heat the bottom of the water receiving pan 300, so as to facilitate the water in the water receiving pan 300 to absorb heat and evaporate.

[0057] like Figure 7As shown, since the condenser 500 is located below the front bottom plate 204, the airflow entering the bottom bin 200 from the vent 206 passes through the gap ( Figure 7 The liquid flows to the condenser 500 (an area with a width indicated as a) to cool the condenser 500. Figure 5 , Figure 7 Arrows are used to indicate the air flow direction. A fan may be provided in the bottom bin 200 to facilitate the above-mentioned air flow process.

[0058] like Figure 7 As shown, the refrigerator 100 also includes a baffle 600 extending forward and backward. The baffle 600 is attached to the lower side of the front bottom plate 204 and the rear bottom plate 202 to laterally separate the space between the bottom wall of the bottom bin 200 and the supporting surface (such as the ground) of the refrigerator 100. The compressor is located on one lateral side of the baffle 600. The front bottom plate 204 is divided into two halves 202a and 202b by the baffle 600. The condenser 500 is divided into two halves 500a and 500b by the baffle 600. The compressor is installed on the half 202a of the front bottom plate 204. Because the temperature of the airflow after flowing through the compressor (left side in the figure) is relatively high, the temperature of the airflow that does not flow through the compressor (left side in the figure) is relatively low. Therefore, the total heat exchange capacity of the half 500a of the condenser 500 on the same side as the compressor is less than that of the half 500b. In this way, the two halves of the condenser 500 can be more evenly cooled.

[0059] like Figure 2 As shown, the bottom wall of the first inner liner 130 is funnel-shaped and gradually extends downward from the periphery to a central water collection point 130p, and the drain pipe 400 is connected to the central water collection point 130p. The central water collection point 130p is located in the front half area of ​​the bottom of the first inner liner 130, so that its rear position is higher, which is convenient for accommodating the rear part of the bottom bin 200.

[0060] like Figure 4 As shown, in some embodiments, the front wall of the bottom bin 200 may have a front opening 200a, so that the water receiving tray 300 extends into the front space of the bottom bin 200 through the front opening. A handle 310 is provided at the front of the water receiving tray 300 so that the water receiving tray 300 can be pushed and pulled manually.

[0061] The present invention allows the water receiving tray 300 to be inserted into the bottom bin 200 from the front opening 200a of the bottom bin 200. When the refrigerator is turned on for a long time, the user can pull the water receiving tray 300 forward and pour out the water therein to avoid excessive overflow or the generation of odor.

[0062] like Figure 5 and Figure 6As shown, the water receiving pan 300 is provided with an overflow pipe 320, the bottom end of the overflow pipe 320 is connected to the surface of the water receiving pan 300, and the top end is open. The lower end of the drain pipe 400 is inserted into the overflow pipe 320, so that after the liquid water fills the overflow pipe 320, it overflows from the top of the overflow pipe 320, so as to use the liquid water to seal the bottom end of the drain pipe 400, that is, to form a water seal, so as to avoid cold leakage at the bottom end of the drain pipe 400 when it is not draining water.

[0063] The overflow pipe 320 has a notch 321 at the rear of the upper edge, so that when the water receiving tray 300 moves forward, the drain pipe 400 can be separated from the overflow pipe 320 through the notch 321. Furthermore, the bottom edge of the drain pipe 400 has arc-shaped flanges 410 protruding downward on both sides of the lateral side, so as to facilitate the drain pipe 400 to be separated from the overflow pipe 320.

[0064] In some embodiments, the refrigerator 100 further includes a top cover 103, which is configured to separate the first inner tank 130 located at the bottom into a storage space 132 located above and a cooling space located below, and the evaporator 101 is arranged horizontally in the cooling space.

[0065] In a traditional refrigerator, the bottom space of the refrigerator is generally a storage space, which is located at a relatively low position. Users need to bend over or squat significantly to take and put items in the bottom storage space, which is inconvenient for users, especially for the elderly. In addition, since the evaporator occupies the rear area of ​​the bottom storage space, the depth of the bottom storage space is reduced. Furthermore, since the compressor compartment is generally located at the rear of the bottom storage space, the bottom storage space inevitably has to make way for the compressor compartment, resulting in the bottom storage space being irregular in shape, which is not convenient for storing large items that are difficult to divide.

[0066] In the refrigerator 100 of the present embodiment, the space at the bottom of the refrigerator 100 is a cooling space, which raises the height of the storage space 132 located above the cooling space, reduces the degree of bending of the user when taking and placing items in the storage space 132, and improves the user's experience.

[0067] The evaporator 101 cools the airflow entering the cooling space to form a cooling airflow, and at least part of the cooling airflow is transported to the storage space 132 through the air supply duct 141. The air supply duct 141 can be arranged on the inner side of the rear wall of the first liner 130 and communicated with the cooling space. Figure 1 As shown, the air supply duct 141 is formed with a plurality of air supply outlets 141 a communicating with the storage space 132 .

[0068] The refrigerator 100 also includes a variable temperature air duct (not shown) for conveying cooling air flow to the variable temperature space. The variable temperature air duct and the air supply duct 141 can be controllably connected through a variable temperature air door (not shown) to guide part of the cooling air flow in the air supply duct 141 into the variable temperature air duct.

[0069] The refrigerator 100 may also include a refrigeration air duct (not shown) for conveying cooling airflow to the refrigerated space. The refrigeration air duct may be controllably connected to the air supply duct 141 through a refrigeration air door to guide part of the cooling airflow of the air supply duct 141 into the refrigeration air duct. In some alternative embodiments, another evaporator may be arranged in the refrigeration liner 120 to cool the refrigerated space 121 by air cooling or direct cooling to form a refrigerator 100 with a dual refrigeration system to prevent odor from mixing between the storage space 132 and the refrigerated space 121.

[0070] In particular, if Fig.10 , and combined with Fig. 9 As shown, the top cover 103 includes a top cover body 103a and a supporting portion 103b protruding upward from the rear end of the top cover body 103a, and the front wall surface of the air supply duct 141 is formed with a supporting portion 141b protruding forward. When the top cover 103 and the air supply duct 141 are assembled, the supporting portion 103b supports the supporting portion 141b to prevent the refrigerator 100 from being hit during transportation and causing the air supply duct 141 to fall.

[0071] The top of the air supply duct 141 usually passes through the top wall of the first inner liner 130 to connect to the air ducts supplying air to other storage spaces (for example, the variable temperature duct (not shown) supplying air to the variable temperature space above the lowest first inner liner 130). Fig.11 and Fig.13 As shown, a first top opening 141g is formed at the top of the air supply duct 141, and a second top opening 130d corresponding to the first top opening 141g is formed on the top wall of the first inner liner 130, so that the first top opening 141g is connected to the air inlet of the variable temperature room duct through the second top opening 130d.

[0072] A damper may be provided at the first top opening 141g of the air supply duct 141 to control the opening and closing of the first top opening 141g. Figure 1 As shown, there are two variable temperature inner tanks 131, and accordingly, there are two variable temperature room air ducts, and there are two first top openings 141g and two second top openings 130d.

[0073] During the transportation of the refrigerator 100, it is inevitable that it will be hit, which may easily cause the air supply duct 141 to fall. Once the air supply duct 141 falls, a gap will appear between the first top opening at the top of the air supply duct 141 and the second top opening corresponding to the top wall of the first inner tank 130. During the operation of the refrigerator 100, wind will cross between the variable temperature space and the storage space 132 below, affecting the temperatures of the storage space 132 and the variable temperature space, and it is easy to cause frost near the top of the air supply duct 141, affecting the delivery of cooling airflow and reducing the refrigeration effect.

[0074] In this embodiment, by specially designing the top cover 103 and the air supply duct 141 as above, the air supply duct 141 can be prevented from falling when subjected to external force, making the installation of the air supply duct 141 more stable, thereby ensuring the cooling effect during the operation of the refrigerator 100.

[0075] like Fig.12 , and combined with Figure 1 As shown, the air supply duct 141 includes a duct front cover plate 1411 and a duct rear cover plate 1412 located at the rear side of the duct front cover plate 1411. Accordingly, the duct front cover plate 1411 constitutes the front wall surface of the air supply duct 141, that is, the duct front cover plate 1411 is formed with the aforementioned supporting portion 141b; the duct front cover plate 1411 and the duct rear cover plate 1412 define a channel connected to the cooling space.

[0076] The air duct front cover plate 1411 and the air duct rear cover plate 1412 are fixed by screws (not shown) passing through the center of the air supply duct 141. Figure 1 As shown, a screw through hole 141c is formed at the approximate center of the air duct front cover 1411. Fig.13 As shown, a screw column 141d is formed at the approximate center of the air duct rear cover plate 1412, and the air duct front cover plate 1411 and the air duct rear cover plate 1412 are locked together by screws passing through the screw through holes 141c and the screw column 141d, thereby assembling the air duct front cover plate 1411 and the air duct rear cover plate 1412 together. The aforementioned special design structure for preventing the air supply duct 141 from falling also avoids the problem of the air duct front cover plate 1411 moving down when the screws are loose.

[0077] Further particularly, the supporting portion 141b extends downwardly from back to front, and the upper end surface of the supporting portion 103b includes a first inclined section 103b1 extending downwardly from back to front, and liquid water can flow forward and downward along the inclined surface of the supporting portion 141b and the inclined surface of the first inclined section 103b1 to the top cover body 103a.

[0078] The front end surface of the support portion 103b may include a vertical section 103b2 extending vertically, and the vertical section 103b2 is connected to the first inclined section 103b1 through a first transition curve, and the vertical section 103b2 guides the liquid water sliding down the first inclined section 103b1 to the top cover body 103a.

[0079] The upper surface of the top cover body 103a may include a second inclined section 103a1 extending downward from the back to the front, and the second inclined section 103a1 is connected to the vertical section 103b2 through a second transition curved section to further guide the liquid water.

[0080] The upper surface of the top cover body 103a may further include a horizontal section 103a2 extending forward from the front end of the second inclined section 103a1, and the horizontal section 103a2 is formed with at least one water collecting groove 103a3 to collect the liquid water flowing down from the second inclined section 103a1, so that the user can centrally clean the liquid water. Thus, the special structure of the top cover 103 is used to realize the diversion and drainage function.

[0081] In some embodiments, Fig.12 As shown, the blower 104 is located behind the evaporator 101, and its air outlet end is connected to the air inlet end of the air supply duct 141, and is configured to force the cooling air flow into the air supply duct 141 to accelerate the air flow circulation and improve the refrigeration speed.

[0082] The blower 104 may be a centrifugal blower, an axial flow blower or a cross flow blower. Fig.12 As shown, in this embodiment, the blower 104 is a centrifugal blower, and the blower 104 is arranged upwardly tilted from front to back, and the blower 104 is detachably connected to the air supply duct 141. When the refrigerator 100 is assembled, the air duct rear cover plate 1412 is first assembled with the blower 104, and the air duct front cover plate 1411 is then assembled with the blower 104, and then the top cover 103 is installed on the first liner 130, and the positions of the air duct rear cover plate 1412, the air duct front cover plate 1411 and the top cover 103 are such that the supporting portion 103b of the top cover 103 supports the supporting portion of the air duct front cover plate 1411.

[0083] like Fig.10 and Fig.12 As shown, the rear end of the top cover 103 is formed with a positioning protrusion 103c protruding backwards, and the rear wall of the first inner liner 130 is formed with a positioning groove (not shown) corresponding to and matching the positioning protrusion 103c. There can be two positioning protrusions 103c, which are respectively adjacent to the lateral sides of the rear end of the top cover 103 and are both located below the supporting portion 103b. In this way, the top cover 103 is assembled on the first inner liner 130.

[0084] like Figures 1 to 10 As shown, the refrigerator 100 further includes at least one return air cover 102 , which is disposed at the front end of the top cover 103 and defines the aforementioned cooling space together with the top cover 103 and the bottom wall of the first inner container 130 .

[0085] Each return air hood 102 includes a return air frame 1021 and a return air rear cover 1022 located at the front side. The front wall of the return air frame 1021 is formed with a first opening 102c, and the rear end is open. The return air rear cover 1022 is inserted into the return air frame 1021 from the rear end opening of the return air frame 1021, and is configured to separate the first opening 102c into a first front return air inlet 102b located at the top and a second front return air inlet 102a located at the bottom, so as to facilitate the return air of the storage space 132 to flow back to the cooling space through the first front return air inlet 102b and the second front return air inlet 102a, and be cooled by the evaporator 101, thereby forming an air flow circulation between the storage space 132 and the cooling space.

[0086] In the present embodiment, two return air inlets (a first front return air inlet 102b and a second front return air inlet 102a) are formed on the front side of the return air hood 102, which are not only visually pleasing, but also can effectively prevent children's fingers or foreign objects from entering the cooling space; and, the two return air areas distributed up and down can make the return air flow through the evaporator 101 more evenly after entering the cooling space, which can avoid the problem of easy frost on the front end surface of the evaporator 101 to a certain extent, which can not only improve the heat exchange efficiency, but also extend the defrost cycle, saving energy and being efficient.

[0087] like Figure 8 , Fig.11 As shown, there are two return air hoods 102, which are spaced apart in the transverse direction, and a vertical beam 150 is provided between the two return air hoods 102. The vertical beam 150 extends vertically upward to the top wall of the first inner liner 130 to separate the front side of the first inner liner 130 into two transversely distributed areas.

[0088] Two double-door bodies (not shown) may be provided on the front side of the first inner container 130 , and the two doors are used to open and close two areas separated by the vertical beam 150 , respectively.

[0089] In particular, if Figures 14 to 16 As shown, the return air frame 1021 includes a first guide oblique section 1021a extending rearward and upward from the upper end of the front wall of the return air frame 1021, and a second guide oblique section 1021c extending rearward and downward from the position of the front wall of the return air frame 1021 near the lower end; the return air rear cover 1022 includes a third guide oblique section 1022a extending from back to front and forward and downward, a fourth guide oblique section 1022b extending forward and downward from the lower end of the third guide oblique section 1022a, a fifth guide oblique section 1022c extending rearward and downward from the front end of the fourth guide oblique section 1022b, and a sixth guide oblique section 1022d extending rearward and downward from the lower end of the fifth guide oblique section 1022c.

[0090] See also Fig.13The first guide oblique section 1021a, the third guide oblique section 1022a and the fourth guide oblique section 1022b define a first return air duct (not numbered) located behind the first front return air inlet 102b, and the third guide oblique section 1022a is formed with a plurality of second openings 102d distributed in sequence in the transverse direction. The return air entering from the first front return air inlet 102b enters the cooling space through the first return air duct and the second opening 102d, enters the evaporator 101 from the upper section of the evaporator 101 to exchange heat with the evaporator 101. The second guide oblique section 1021c and the sixth guide oblique section 1022d define a second return air duct (not numbered) located behind the second front return air inlet 102a. The return air entering from the second front return air inlet 102a enters the cooling space through the second return air duct, enters the evaporator 101 from the lower section of the evaporator 101 to exchange heat with the evaporator 101.

[0091] like Fig.16 As shown, Fig.16 The dotted arrows in the figure schematically indicate the return air flow path. The return air enters the cooling space through the upper and lower return air ducts, so that the return air passes through the evaporator 101 more evenly, improving the heat exchange efficiency. In addition, the design of each inclined section of the return air frame 1021 and the design of each inclined section of the return air rear cover 1022 guide the liquid water formed on the return air cover 102 to facilitate drainage.

[0092] like Fig.14 As shown, the second opening 102 d is in a vertical strip shape, and a plurality of second openings 102 d are sequentially distributed in the transverse direction to disperse the return air so that the return air enters the upper section of the evaporator 101 more evenly.

[0093] The sixth guide section 1022d may be formed with a plurality of third openings (not shown) distributed in sequence in the transverse direction. The return air passing through the second return air channel is diverted by each third opening and then enters the cooling space, so that the return air enters the lower section of the evaporator 101 more evenly.

[0094] The sixth diverter section 1022d may form a mounting portion (not numbered), such as Fig.14 As shown, the sixth guide oblique section 1022d is formed with two installation parts distributed laterally at intervals. Correspondingly, the second guide oblique section 1021c of the return air frame 1021 is formed with a matching part that matches with the corresponding mounting part to assemble the return air frame 1021 and the return air rear cover 1022.

[0095] like Fig.10 As shown, and refer to Fig.14 and Fig.16The lower surface of the top cover 103 is spaced apart from the upper surface of the evaporator 101 , and the front end of the top cover 103 is located above and behind the front end of the evaporator 101 . That is to say, the top cover 103 does not completely cover the upper surface of the evaporator 101 , and the front section of the upper surface of the evaporator 101 is not blocked by the top cover 103 .

[0096] The return air rear cover 1022 also includes a shielding portion (referred to as the first shielding portion 1022e) extending from the third guide inclined section 1022a to the rear and upward to the front end of the top cover 103. The first shielding portion 1022e is configured to shield the section of the upper surface of the evaporator 101 that is not shielded by the top cover 103, and the first shielding portion 1022e is spaced from the upper surface of the evaporator 101 to form an airflow bypass communicating with the second opening 102d, and at least part of the return air entering through the second opening 102d can enter the evaporator 101 from above the evaporator 101 through the airflow bypass. The space facing the top cover 103 and the upper surface of the evaporator 101 is filled with windproof foam, that is, the rear of the airflow bypass is filled with windproof foam, so that the return air passing through the airflow bypass flows into the evaporator 101. This ensures that even when frosting forms on the front end surface of the evaporator 101, return air still enters the evaporator 101 to exchange heat with it, thereby ensuring the cooling effect of the evaporator 101. This solves the problem of reduced cooling effect of the existing refrigerator 100 due to frosting on the front end surface of the evaporator 101, and improves the cooling performance of the refrigerator 100.

[0097] like Fig.14 and Fig.16 As shown, the return air frame 1021 also includes a second shielding portion 1021b that bends backward and upward from the first guide inclined section 1021a and extends to the top cover 103. The second shielding portion 1021b completely shields the first shielding portion 1022e to maintain the beautiful appearance of the return air cover 102.

[0098] See more particularly Fig.16 , the connection C between the fourth diverter section 1022b and the fifth diverter section 1022c is located directly below the first diverter section 1021a, and the liquid water formed on the return air frame 1021 drips downward along the inclined surface of the first diverter section 1021a onto the connection C between the fourth diverter section 1022b and the fifth diverter section 1022c directly below (that is, the corner between the fourth diverter section 1022b and the fifth diverter section 1022c), and then drips along the inclined surface of the fifth diverter section 1022c onto the second diverter section 1021c, and then flows to the bottom of the evaporator 101. The bottom of the evaporator 101 generally has a water receiving area, and the water receiving area is formed with a drain port to discharge the liquid water. In this way, the liquid water formed on the return air cover 102 is diverted and discharged, avoiding the generation of water droplets perceptible to the human ear, and improving the user experience.

[0099] The bottom wall of the first inner liner 130 may be formed with a water receiving section located below the evaporator 101. The projection of the water receiving section on the vertical plane parallel to the side wall of the first inner liner 130 includes a front flow guiding inclined section 133 extending backward and downward at the front side, a horizontal straight section 134 extending horizontally backward from the front flow guiding inclined section 133, and a rear flow guiding inclined section 135 extending backward and upward from the rear end of the horizontal straight section 134. The horizontal straight section 134 is formed with a drain port (not shown). The liquid water formed on the return air cover 102 flows along the front flow guiding inclined section 133 to the horizontal straight section 134 through the guidance of the various inclined sections of the return air frame 1021 and the return air rear cover 1022, and is finally discharged from the drain port. The liquid water on the evaporator 101 flows along the front flow guiding inclined section 133 and the rear flow guiding inclined section 135 to the horizontal straight section 134, and is discharged from the drain port.

[0100] At this point, those skilled in the art should recognize that, although multiple exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications that conform to the principles of the present invention can still be directly determined or derived based on the content disclosed in the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all these other variations or modifications.

Claims

1. A refrigerator that facilitates water evaporation, characterized in that include: at least one liner, comprising a first liner at the bottom; a drain pipe extending downward from the bottom of the first inner tank and used for draining liquid water in the first inner tank; A bottom bin, which is located below the first liner, and whose bottom wall includes a front bottom plate and a rear bottom plate spaced apart from each other, the space between the two being used to connect the inner space of the bottom bin with the space below the bottom bin, the rear portion of the top wall of the bottom bin being higher than the front portion so as to accommodate a compressor in the rear space of the bottom bin, and the two lateral side walls of the bottom bin respectively having vents connecting the inner and outer spaces of the bottom bin; A water receiving pan is mounted on the upper surface of the front bottom plate so that airflow enters the bottom bin from the two vents to cool the compressor and then flows to the water receiving pan to promote evaporation of liquid water; and A condenser is placed horizontally below the front bottom plate; and The airflow entering the bottom bin from the vent flows toward the condenser through the gap between the front bottom plate and the rear bottom plate to cool the condenser; The front bottom plate is provided with a plurality of ventilation holes for connecting the inner and outer spaces of the bottom bin; The rear part of the bottom wall of the water receiving tray gradually tilts upward from front to back to form a slope surface, so as to guide the airflow from the compressor to flow to the bottom of the water receiving tray to heat the bottom of the water receiving tray.

2. The refrigerator that facilitates water evaporation according to claim 1, characterized in that Also includes: Baffles extending forward and backward are attached to the lower sides of the front bottom plate and the rear bottom plate to laterally separate the space between the bottom wall of the bottom bin and the support surface of the refrigerator; and The compressor is located on a lateral side of the baffle; The condenser is divided into two parts by the baffle, and the total heat exchange capacity of the part on the same side as the compressor is smaller than that of the other part.

3. The refrigerator that facilitates water evaporation according to claim 1, characterized in that: The drain pipe extends downward from the bottom of the first inner container in a vertical direction.

4. The refrigerator that facilitates water evaporation according to claim 1, characterized in that: The water receiving tray is provided with an overflow pipe, the bottom end of the overflow pipe is connected to the surface of the water receiving tray, and the upper end is open; The lower end of the drain pipe is inserted into the overflow pipe, so that after the liquid water fills the overflow pipe, it overflows from the top of the overflow pipe to seal the bottom end of the drain pipe with the liquid water.

5. The refrigerator that facilitates water evaporation according to claim 1, characterized in that: The bottom wall of the first inner tank is funnel-shaped and gradually extends downward from the periphery to a central water collection point, and the central water collection point is located in the front half area of ​​the bottom of the first inner tank, and the drain pipe is connected to the central water collection point.

6. The refrigerator that facilitates water evaporation according to claim 1, characterized in that: A top cover is provided in the first inner container, and the top cover is used to separate the inner space of the first inner container into a storage space located at the top and a cooling space located at the bottom; and The evaporator of the refrigerator is horizontally placed in the cooling space and is configured to cool the airflow entering the cooling space to form a cooling airflow.

7. The refrigerator that facilitates water evaporation according to claim 6, characterized in that Also includes: an air supply duct, disposed on the inner side of the rear wall of the first liner, communicating with the cooling space, and configured to deliver at least part of the cooling airflow into the storage space; The top cover includes a top cover body and a supporting portion protruding upward from the rear end of the top cover body, the front wall surface of the air supply duct is formed with a supporting portion protruding forward, and the top cover and the air supply duct are arranged so that the supporting portion supports the supporting portion to prevent the air supply duct from falling.

8. The refrigerator that facilitates water evaporation according to claim 6, characterized in that: The first liner is a freezing liner, the storage space is a freezing space; and the refrigerator further comprises: A variable temperature inner tank is located directly above the freezing inner tank and defines a variable temperature space therein; The refrigeration inner tank is located directly above the temperature-variable inner tank and defines a refrigeration space therein.

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