CN107560287B - Air duct assembly of air-cooled refrigerator and air-cooled refrigerator - Google Patents
Air duct assembly of air-cooled refrigerator and air-cooled refrigerator Download PDFInfo
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- CN107560287B CN107560287B CN201710784480.9A CN201710784480A CN107560287B CN 107560287 B CN107560287 B CN 107560287B CN 201710784480 A CN201710784480 A CN 201710784480A CN 107560287 B CN107560287 B CN 107560287B
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- air duct
- cover plate
- cooled refrigerator
- rear cover
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/063—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation with air guides
Abstract
The invention discloses an air duct assembly of an air-cooled refrigerator and the air-cooled refrigerator, and relates to the technical field of refrigerators. The thickness of the air duct assembly can be reduced, thereby saving the effective volume of the refrigerator. An air duct assembly of an air-cooled refrigerator comprises an air duct front cover plate, an air duct rear cover plate and air duct side walls, wherein the air duct front cover plate is smaller than the air duct rear cover plate in height, the air duct front cover plate is opposite to the upper portion of the air duct rear cover plate, the lower portion of the air duct rear cover plate is opposite to the rear side walls of storage drawers of the refrigerator, one portion of the air duct side walls is located between the air duct front cover plate and the air duct rear cover plate to form an upper air duct in a surrounding mode, the other portion of the air duct side walls is located between the lower portion of the air duct rear cover plate and the rear side walls of the storage drawers of the refrigerator to form a lower air. The invention can be used for air-out distribution of the air-cooled refrigerator.
Description
Technical Field
The invention relates to the technical field of refrigerators, in particular to an air duct assembly of an air-cooled refrigerator and the air-cooled refrigerator.
Background
The types of refrigerators commonly used are a wind-cooled refrigerator and a direct-cooled refrigerator. As the air-cooled refrigerator has the advantages of good fresh-keeping effect, quick refrigeration, environmental protection and the like, more and more families select the air-cooled refrigerator to store food.
In the air-cooled refrigerator in the prior art, an evaporator is arranged in a freezing chamber, an air duct assembly is arranged in the freezing chamber, and a fan is fixed in an air duct, so that cold air produced by the evaporator is sucked into the air duct by the fan, and then the cold air is blown into a storage chamber of the refrigerator through an air supply outlet of the air duct. Wherein the wind channel subassembly includes wind channel front shroud, wind channel back shroud and sets up the wind channel foam between wind channel front shroud and wind channel back shroud, because foam material itself is fragile, consequently has the thickness requirement to it, and foam material that thickness is not enough receives the influence of fan vibrations and air current when using, and easy breaking and damage takes place, and consequently the thickness of wind channel foam is generally thicker. And, wind channel front shroud and wind channel back shroud all can occupy certain thickness to lead to the whole thickness of wind channel subassembly to be thicker, wasted the effective volume of refrigerator.
Disclosure of Invention
The embodiment of the invention provides an air duct assembly of an air-cooled refrigerator and the air-cooled refrigerator, which can reduce the thickness of the air duct assembly, thereby saving the effective volume of the refrigerator.
In order to achieve the above object, in one aspect, an embodiment of the present invention provides an air duct assembly for an air-cooled refrigerator, including an air duct front cover plate, an air duct rear cover plate, and an air duct side wall, where a height of the air duct front cover plate in a vertical direction is smaller than a height of the air duct rear cover plate in the vertical direction, the air duct front cover plate is opposite to an upper portion of the air duct rear cover plate, a lower portion of the air duct rear cover plate is opposite to a rear side wall of a storage drawer of the refrigerator, a portion of the air duct side wall is located between the air duct front cover plate and the air duct rear cover plate to form an upper air duct, another portion of the air duct side wall is located between a lower portion of the air duct rear cover plate and the rear side wall of the storage drawer of the refrigerator to form a.
On the other hand, the embodiment of the invention also provides the air-cooled refrigerator which comprises a freezing chamber liner, wherein the storage drawer is arranged in the freezing chamber liner, and the air duct assembly in the technical scheme is arranged between the rear wall of the freezing chamber liner and the storage drawer.
According to the air duct assembly of the air-cooled refrigerator and the air-cooled refrigerator provided by the embodiment of the invention, the air duct is formed by enclosing the air duct front cover plate, the air duct rear cover plate, the air duct side wall and the rear side wall of the storage drawer, so that the specific air duct structure can be limited by the shape of the air duct side wall, and an air duct foam layer with thicker thickness is not required, so that the thickness of the air duct assembly can be reduced, and the effective volume of the refrigerator is saved. In addition, the height of the air duct front cover plate is smaller than that of the air duct rear cover plate, and the rear side wall of the storage drawer is used as a front baffle of the lower air duct to form a lower air duct with the lower portion of the air duct rear cover plate in a surrounding mode, so that the thickness of the area, corresponding to the storage drawer, of the air duct assembly is reduced, and the effective volume of the refrigerator is further saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an air duct assembly according to an embodiment of the present invention;
FIG. 2 is a front view of an air duct assembly according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view B-B of FIG. 2;
FIG. 4 is an exploded view of FIG. 1;
FIG. 5 is a schematic structural view of a front cover plate of an air duct in the air duct assembly according to the embodiment of the present invention;
FIG. 6 is a cross-sectional view C-C of FIG. 2;
FIG. 7 is an enlarged view of the portion N of FIG. 6;
FIG. 8 is a cross-sectional view A-A of FIG. 2;
FIG. 9 is an enlarged view of the portion M of FIG. 8;
FIG. 10 is an exploded view of a portion of an air-cooled refrigerator according to an embodiment of the present invention;
FIG. 11 is a schematic view of a partial cross-sectional structure of an air-cooled refrigerator according to an embodiment of the present invention;
FIG. 12 is an enlarged view of section H of FIG. 11;
fig. 13 is an exploded view of a fan and duct assembly in an air-cooled refrigerator in accordance with an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1 to 4, an air duct assembly of an air-cooled refrigerator provided in an embodiment of the present invention includes an air duct front cover plate 1, an air duct rear cover plate 2, and an air duct side wall 3, where a height of the air duct front cover plate 1 in a vertical direction is smaller than a height of the air duct rear cover plate 2 in the vertical direction, the air duct front cover plate 1 is opposite to an upper portion of the air duct rear cover plate 2, a lower portion of the air duct rear cover plate 2 is opposite to a rear side wall 201 of a storage drawer 200 of the refrigerator (as shown in fig. 4), a portion of the air duct side wall 3 is located between the air duct front cover plate 1 and the air duct rear cover plate 2, and encloses an upper air duct 4 together with the upper portions of the air duct front cover plate 1 and the air duct rear cover plate 2, and another portion of the air duct side wall 3 is located between the lower portion of the air duct rear cover plate 2 and the, The rear side walls 201 of the storage drawer 200 together enclose a lower air duct 5, and the upper air duct 4 is communicated with the lower air duct 5.
According to the air duct assembly of the air-cooled refrigerator provided by the embodiment of the invention, the air duct is surrounded by the air duct front cover plate 1, the air duct rear cover plate 2, the air duct side wall 3 and the rear side wall 201 of the storage drawer 200, so that the specific air duct structure can be limited by the shape of the air duct side wall 3, and an air duct foam layer with thicker thickness is not required, so that the thickness of the air duct assembly can be reduced, and the effective volume of the refrigerator is saved. In addition, because the height of the air duct front cover plate 1 is smaller than that of the air duct rear cover plate 2, and the rear side wall 201 of the storage drawer 200 is used as a front baffle of the lower air duct 5 to enclose the lower air duct 5 with the lower part of the air duct rear cover plate 2, the thickness of the area of the air duct assembly corresponding to the storage drawer 200 is reduced, the thickness of the area is equivalent to the thickness of one air duct front cover plate 1, and the effective volume of the refrigerator can be further saved.
In order to realize one-side air intake and multi-zone air supply, as shown in fig. 4, an air inlet 21 may be formed on the air duct rear cover plate 2, a front air outlet 11 may be formed on the air duct front cover plate 1, an upper air outlet 12 (shown in fig. 1) may be formed at the upper end of the upper air duct 4, and a lower air outlet 13 (shown in fig. 3) may be formed at the lower end of the lower air duct 5. In an embodiment of the present invention, the air duct assembly may be disposed in the inner container of the freezing chamber, the upper air outlet 12 may be used to supply air to the refrigerating chamber and the temperature-variable chamber above the freezing chamber, and the front air outlet 11 and the lower air outlet 13 may be used to supply air to different regions of the freezing chamber. Similarly, the air duct assembly can also be arranged in the inner container of the refrigerating chamber, and the specific installation mode can be selected according to the actual air supply requirement.
When the fan is a centrifugal fan, in order to improve the air supply efficiency of the centrifugal fan, a curved surface structure similar to a volute may be formed on the duct side walls 3 at both sides of the centrifugal fan, specifically, as shown in fig. 4, the upper duct 4 includes a volute cavity 41, a necking opening 42 and a diffusion cavity 43 which are sequentially connected from top to bottom, the air inlet 21 is located in the volute cavity 41, the upper end of the volute cavity 41 is in butt joint with the upper end air outlet 12, the lower end of the diffusion cavity 43 is in butt joint with the lower duct 5, the duct side wall corresponding to the necking opening 42 is inwardly contracted to form two air distribution points, a part of air passing through the air distribution points is guided upward, and the other part is guided downward. The air duct side wall corresponding to the volute cavity 41 is of a curved surface structure similar to a volute, and the air supply efficiency of the centrifugal fan can be improved.
As shown in fig. 4, in order to realize multi-layer air supply in the same compartment, the front air outlet 11 includes a first front air outlet 111 opened at an upper portion of the duct front cover 1 and a second front air outlet 112 opened at a lower portion of the duct front cover 1, the first front air outlet 111 communicates with the volute chamber 41, and the second front air outlet 112 communicates with the diffuser chamber 43. Accordingly, the first front outlet 111 blows air to the upper region of the compartment, and the second front outlet 112 blows air to the middle region or the lower region of the compartment, so that the blowing range can be increased. In addition, since the cool air naturally sinks, when the air output of the first front air outlet 111 and the air output of the second front air outlet 112 are the same, the temperature of the upper area of the compartment is higher than that of the lower area, in order to make the temperature of each area in the compartment uniform, it is preferable to set two first front air outlets 111, and the two first front air outlets 111 are symmetrically arranged on two sides of the upper portion of the air duct front cover plate 1; therefore, the air volume of the upper region of the compartment is increased, the temperature of the upper region of the compartment is reduced, and the temperature of each region in the compartment is uniform. Similarly, the air outlet area of the first front air outlet 111 may be set larger than the air outlet area of the second front air outlet 112, and the temperature of each region in the compartment may be uniform.
In order to make the air in the upper air duct 4 smoothly flow out from the second front air outlet 112, as shown in fig. 4, it is preferable to provide a first air guiding rib 61 at the second front air outlet 112, where one end of the first air guiding rib 61 is connected to the air duct rear cover plate 2, and the other end of the first air guiding rib extends out of the second front air outlet 112. Accordingly, the first air guiding rib 61 guides the air in the upper duct 4 to the second front outlet 112, so that the air can smoothly flow into the compartment.
Preferably, in order to guide the outlet air of the second front side air outlet 112 to the drawer below the second front side air outlet, as shown in fig. 2, two first air guiding ribs 61 are preferably arranged, which are a first air guiding rib 61a and a first air guiding rib 61b respectively, the first air guiding rib 61a and the first air guiding rib 61b are arranged in an inclined manner, the upper ends of the first air guiding rib 61a and the first air guiding rib 61b are far away from each other, the lower ends of the first air guiding rib 61a and the first air guiding rib 61b are close to each other, a funnel-shaped structure is formed, and an outlet air gap is formed between the lower ends of the first air guiding rib 61a and the first air guiding rib 61. Therefore, the outlet air of the second front side air outlet 112 can be downwardly guided into the drawer below the second front side air outlet, so that the cold air can circulate in the drawer conveniently, the distribution of the air quantity is facilitated, part of the air quantity enters the lower part of the drawer from the air outlet gap, and part of the air quantity enters the left side and the right side of the drawer and the lower drawer along the upper ends of the two first air guide ribs 61.
As shown in fig. 5, a plurality of second air guiding ribs 62 are further disposed in the diffusion chamber 43, the plurality of second air guiding ribs 62 are respectively located at two sides of the first air guiding rib 61, and the plurality of second air guiding ribs 62 can uniformly guide the air directions at two sides of the first air guiding rib 61 into the lower air duct 5. A third air guiding rib 63 is further arranged in the upper end air outlet 12, and the third air guiding rib 63 is used for guiding the air outlet of the upper end air outlet 12 into two parts. The two parts of wind can be respectively sent into the two refrigerator rooms.
In one embodiment of the present invention, as shown in fig. 5, a second air guiding rib 62a and a second air guiding rib 62B are disposed on the left side of the second front side air outlet 112, the second air guiding rib 62a and the second air guiding rib 62B are arranged along the horizontal direction, a second air guiding rib 62C and a second air guiding rib 62d which are symmetrical with respect to the second air guiding rib 62a and the second air guiding rib 62B are disposed below the right side of the second front side air outlet 112, a second air guiding rib 62e and a second air guiding rib 62f which are arranged along the horizontal direction are disposed above the right side of the second front side air outlet 112, wherein the second air guiding rib 62C, the second air guiding rib 62B, the second air guiding rib 62C and the second air guiding rib 62d are disposed along the horizontal direction, the second air guiding rib 62e and the second air guiding rib 62f are disposed along the horizontal direction, wherein the second air guiding rib 62C, the second air guiding rib 62B, the second air guiding rib 62C and the second air guiding rib 62d are disposed along the horizontal direction, the angle α 35-60, the preferred range of the third air guiding rib 60, the horizontal direction is the horizontal direction, the preferred air guiding rib 40, the range of the third air guiding rib 60, the horizontal direction, the third air guiding rib 60, the preferred air guiding rib 60, the third air guiding rib 60, the preferred air guiding rib 40, the preferred air guiding rib 60.
In order to smoothly blow out the air in the lower duct 5 through the lower outlet 13, as shown in fig. 4, a fourth air guiding rib 64 is preferably provided on the duct rear cover 2 at a position corresponding to the lower duct 5, and the fourth air guiding rib 64 extends from the inlet of the lower duct 5 to the lower outlet 13. Therefore, the fourth air guiding rib 64 can play a guiding role, and the air outlet efficiency is prevented from being influenced by the occurrence of the turbulent flow.
Specifically, the number of the fourth air guiding ribs 64 may be multiple, and the multiple fourth air guiding ribs 64 are parallel to each other and are distributed at equal intervals. Therefore, the air outlet at the lower air outlet 13 is more uniform.
In the above embodiments, the air duct side wall 3 located between the air duct rear cover plate 2 and the air duct front cover plate 1 may be all disposed on the air duct rear cover plate 2, or all disposed on the air duct front cover plate 1; or one part of the air duct side wall 3 can be arranged on the air duct rear cover plate 2, the other part of the air duct side wall 3 can be correspondingly arranged on the air duct front cover plate 1, and the two parts of the air duct side wall 3 can be correspondingly folded after the air duct front cover plate 1 and the air duct rear cover plate 2 are buckled (as shown in fig. 4 and 5). Likewise, the air chute side walls 3 located between the air chute back cover 2 and the storage drawer 200 may be disposed entirely on the air chute back cover 2 (as shown in FIG. 4), or entirely on the back side walls 201 of the storage drawer 200; or one part of the air duct side wall 3 may be disposed on the air duct rear cover plate 2 and the other part of the air duct side wall 3 may be disposed on the rear side wall 201 of the storage drawer 200 of the refrigerator, preferably, the air duct side wall 3 is disposed on the air duct rear cover plate 2, and thus, the air duct side wall 3 is not affected by the drawer being drawn out, and when the drawer is drawn out, the air duct side wall 3 does not move along with the drawer and can still guide the outlet air.
Similarly, the second air guiding rib 62, the third air guiding rib 63, and the fourth air guiding rib 64 may also correspond to the above-mentioned multiple setting options, and are not described herein again.
As shown in fig. 4, a water guide rib 7 is arranged between every two adjacent fourth air guide ribs 64, a water guide opening 22 is arranged on the air duct rear cover plate 2, the lower end of the water guide rib 7 extends to the water guide opening 22, and the water guide opening 22 is used for communicating with a water receiving box 700 (shown in fig. 10) of the refrigerator evaporator. Therefore, the condensed water or the defrosting water in the air duct can be guided to the water guide opening 22 through the water guide rib 7 and finally flows into the water receiving box. Therefore, the icing in the air duct can be prevented.
Since the air return opening of the refrigerator compartment is generally located below the compartment, in order to prevent the air from the lower outlet 13 from directly returning to the air return opening of the refrigerator, it is preferable to provide an air deflector 131 extending in the horizontal direction at the lower outlet 13. The wind deflector 131 can guide the wind to the horizontal direction, so that the outlet wind is far away from the return air inlet.
Preferably, the surface of the air duct rear cover plate 2 facing the air duct front cover plate 1 is provided with a backflow prevention ring 23 around the air inlet 21. The backflow preventing ring 23 prevents the air entering the upper air duct 4 from the air inlet 21 from flowing out again from the air inlet 21, thereby improving the air supply efficiency.
When the air duct assembly is assembled, as shown in fig. 6 to 9, the edges of the air duct front cover plate 1 and the air duct rear cover plate 2 can be clamped and connected through a buckle, and the middle parts of the air duct front cover plate and the air duct rear cover plate are fastened through screws. Therefore, the air duct front cover plate 1 and the air duct rear cover plate 2 can be firmly installed, and the noise caused by looseness in the running process of the fan is prevented.
Preferably, a connecting structure may be provided on the air duct assembly for connecting with the refrigerator inner container, specifically, referring to fig. 3, an inverted buckle 14 for initially fixing with the refrigerator inner container may be provided at the top of the air duct front cover plate 1, and fig. 12 shows an assembly structure of the inverted buckle 14 and the refrigerator inner container 100; as shown in fig. 1, two sides of the air duct rear cover plate 2 are further provided with buckles 24 for being clamped with a refrigerator liner, and two sides of the air duct rear cover plate 2 are further provided with screw holes 25 for being connected with a foaming layer of a refrigerator body. The structure can stably install the air duct assembly in the refrigerator liner.
On the other hand, an air-cooled refrigerator according to an embodiment of the present invention is further provided, as shown in fig. 10 and 11, including a compartment liner 100, a storage drawer 200 is disposed in the compartment liner 100, and an air duct assembly 300 according to any of the above embodiments is disposed between a rear wall of the compartment liner 100 and the storage drawer 200.
The air-cooled refrigerator provided by the embodiment of the invention comprises the air duct assembly in any one of the embodiments, so that the same technical effects as those of the embodiment of the air duct assembly can be achieved. That is, the thickness of the air duct assembly can be reduced, thereby saving the effective volume of the refrigerator.
In a specific embodiment of the above air-cooled refrigerator, specifically, as shown in fig. 11, the storage drawer 200 includes a first storage drawer 200a and a second storage drawer 200b sequentially arranged from bottom to top, a lower portion of an air duct rear cover plate 2 of the air duct assembly contacts and closes with a rear side wall 201b of the second storage drawer 200b to form a lower air duct 5, a lower end air outlet 13 of the lower air duct 5 is communicated with a storage space of the first storage drawer 200a, and a front side air outlet 11 on an air duct front cover plate 1 of the air duct assembly 300 is communicated with a storage space of the second storage drawer 200 b. When the air duct assembly 300 is located in the freezing liner and the refrigerating chamber and the temperature-changing chamber are arranged above the freezing chamber, the air at the air outlet 12 at the upper end of the air duct assembly 300 is divided into two parts by the third air guiding rib 63 and is respectively communicated with the refrigerating chamber and the temperature-changing chamber.
Alternatively, as shown in FIG. 11, when there is a third storage drawer 200c above the second storage drawer 200b, the first front air outlet 111 of the front air outlet 11 communicates with the third storage drawer 200c, and the second front air outlet 112 communicates with the second storage drawer 200 b.
As shown in fig. 11, a centrifugal fan 400 is disposed at an air inlet 21 of the air duct assembly 300, an evaporator cavity is formed between the air duct rear cover plate 2 of the air duct assembly 300 and the rear wall of the compartment liner 100, an evaporator 500 is disposed in the evaporator cavity, a return air inlet 501 is formed at the lower end of the evaporator cavity, the return air inlet 501 is communicated with the bottom space of the compartment liner 100, as shown in fig. 11 and 13, a return air guiding rib 502 is disposed in the evaporator cavity, and the return air guiding rib 502 extends from the return air inlet 501 to the evaporator 500. The return air guiding ribs 502 can guide the return air into the evaporator cavity to prevent the return air from flowing disorderly. In order to make the return air uniform, it is preferable that the return air guide ribs 502 be arranged in parallel with each other and at equal intervals.
In the above embodiment, as shown in fig. 13, the centrifugal fan 400 is located between the air duct front cover plate 1 and the air duct rear cover plate 2, and can be mounted on the air duct front cover plate 1 by the fastening member 401; and may also be mounted to the duct back cover 2. And are not limited herein.
Preferably, as shown in fig. 10, heat insulation cotton 600 is arranged between the evaporator and the air duct rear cover plate 2; thereby preventing the return air in the evaporator cavity from exchanging with the wind heat in the air duct and influencing the air outlet temperature.
Other structures of the air-cooled refrigerator according to the embodiment of the present invention are well known to those skilled in the art, and will not be described in detail herein.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (15)
1. The air duct assembly of the air-cooled refrigerator is characterized by comprising an air duct front cover plate, an air duct rear cover plate and an air duct side wall, wherein the height of the air duct front cover plate in the vertical direction is smaller than that of the air duct rear cover plate in the vertical direction, the air duct front cover plate is opposite to the upper portion of the air duct rear cover plate, the lower portion of the air duct rear cover plate is opposite to the rear side wall of a storage drawer of the refrigerator, one portion of the air duct side wall is located between the air duct front cover plate and the air duct rear cover plate to form an upper air duct, the other portion of the air duct side wall is located between the lower portion of the air duct rear cover plate and the rear side wall of the storage drawer of the refrigerator to form a lower air duct, and the upper.
2. The air duct assembly of the air-cooled refrigerator according to claim 1, wherein the air duct rear cover plate is provided with an air inlet, the air duct front cover plate is provided with a front air outlet, the upper end of the upper air duct is provided with an upper air outlet, and the lower end of the lower air duct is provided with a lower air outlet.
3. The air duct assembly of the air-cooled refrigerator according to claim 2, wherein the upper air duct comprises a volute chamber, a neck reducing opening and a diffusion chamber which are sequentially connected from top to bottom, the air inlet is located in the volute chamber, the upper end of the volute chamber is in butt joint with the upper end air outlet, and the lower end of the diffusion chamber is in butt joint with the lower air duct.
4. The air duct assembly of the air-cooled refrigerator according to claim 2, wherein the front air outlet includes a first front air outlet opening at an upper portion of the front cover plate of the air duct and a second front air outlet opening at a lower portion of the front cover plate of the air duct.
5. The air duct assembly of the air-cooled refrigerator according to claim 4, wherein the second front air outlet is provided with a first air guiding rib, one end of the first air guiding rib is connected with the air duct rear cover plate, and the other end of the first air guiding rib extends out of the second front air outlet.
6. The air duct assembly of the air-cooled refrigerator according to claim 5, wherein the number of the first air guiding ribs is two, two of the first air guiding ribs are disposed obliquely, upper ends of the two first air guiding ribs are far away from each other, lower ends of the two first air guiding ribs are close to each other, and an air outlet gap is formed between the lower ends of the two first air guiding ribs.
7. The air duct assembly of the air-cooled refrigerator according to claim 4, wherein a plurality of second air guiding ribs are respectively disposed at left and right sides of the second front air outlet, and the plurality of second air guiding ribs are used for guiding the air at both sides of the first air guiding rib downward and uniformly into the lower air duct.
8. The air duct assembly of the air-cooled refrigerator according to claim 2, wherein a third air guiding rib is arranged in the upper air outlet, and the third air guiding rib is used for guiding the air discharged from the upper air outlet into two parts.
9. The air duct assembly of the air-cooled refrigerator according to any one of claims 2 to 8, wherein a fourth air guiding rib is disposed on the air duct rear cover plate at a position corresponding to the lower air duct, and the fourth air guiding rib extends from the inlet of the lower air duct to the lower air outlet.
10. The air duct assembly of the air-cooled refrigerator according to claim 9, wherein the number of the fourth air guiding ribs is plural, and the plural fourth air guiding ribs are parallel to each other and are distributed at equal intervals.
11. The air duct assembly of the air-cooled refrigerator according to claim 9, wherein a water guiding rib is disposed between every two adjacent fourth air guiding ribs, a water guiding opening is disposed on the air duct rear cover plate, a lower end of the water guiding rib extends to the water guiding opening, and the water guiding opening is used for communicating with a water receiving box of an evaporator of the refrigerator.
12. The air duct assembly of the air-cooled refrigerator according to any one of claims 2 to 8, wherein an air deflector extending in a horizontal direction is arranged at the lower air outlet.
13. An air-cooled refrigerator comprises a compartment liner, wherein a storage drawer is arranged in the compartment liner, and the air duct assembly as claimed in any one of claims 1 to 12 is arranged between the rear wall of the compartment liner and the storage drawer.
14. The air-cooled refrigerator according to claim 13, wherein the storage drawers comprise a first storage drawer and a second storage drawer which are sequentially arranged from bottom to top, the lower portion of an air duct rear cover plate of the air duct assembly is in contact with the rear side wall of the second storage drawer to form a lower air duct, an air outlet at the lower end of the lower air duct is communicated with the storage space of the first storage drawer, and an air outlet at the front side of an air duct front cover plate of the air duct assembly is communicated with the storage space of the second storage drawer.
15. The air-cooled refrigerator according to claim 14, wherein a centrifugal fan is disposed at an air inlet of the air duct assembly, an evaporator cavity is formed between an air duct rear cover plate of the air duct assembly and a rear wall of the compartment liner, an evaporator is disposed in the evaporator cavity, a return air inlet is formed at a lower end of the evaporator cavity, the return air inlet is communicated with a bottom space of the compartment liner, a return air guide rib is disposed in the evaporator cavity, and the return air guide rib extends from the return air inlet to the evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710784480.9A CN107560287B (en) | 2017-09-04 | 2017-09-04 | Air duct assembly of air-cooled refrigerator and air-cooled refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710784480.9A CN107560287B (en) | 2017-09-04 | 2017-09-04 | Air duct assembly of air-cooled refrigerator and air-cooled refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107560287A CN107560287A (en) | 2018-01-09 |
| CN107560287B true CN107560287B (en) | 2020-04-14 |
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| CN201710784480.9A Active CN107560287B (en) | 2017-09-04 | 2017-09-04 | Air duct assembly of air-cooled refrigerator and air-cooled refrigerator |
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| CN111721051A (en) * | 2019-03-21 | 2020-09-29 | 青岛海尔电冰箱有限公司 | Air duct assembly and refrigerator |
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| CN114111150B (en) * | 2020-09-01 | 2023-08-18 | 合肥美的电冰箱有限公司 | Refrigerator and temperature adjusting method thereof |
| CN114543425B (en) * | 2020-11-26 | 2022-11-18 | 合肥美的电冰箱有限公司 | Refrigeration equipment and air duct assembly applied to same |
| WO2024037775A1 (en) * | 2022-08-16 | 2024-02-22 | BSH Hausgeräte GmbH | A return air duct assembly for use in a cooling device |
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| CN107560287A (en) | 2018-01-09 |
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