CN110895072A

CN110895072A - A kind of refrigerator

Info

Publication number: CN110895072A
Application number: CN201911184698.6A
Authority: CN
Inventors: 李琴; 张树栋; 张秋菊; 杨大海; 霰福伟
Original assignee: Haixin Rongsheng Yangzhou Refrigerator Co Ltd
Current assignee: Haixin Rongsheng Yangzhou Refrigerator Co Ltd; Hisense Ronshen Guangdong Refrigerator Co Ltd; Hisense Ronshen Yangzhou Refrigerator Co Ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-03-20

Abstract

The invention discloses a refrigerator, relates to the technical field of refrigerators and solves the problems that in the prior art, air quantity at two sides of a storage chamber is small, air quantity distribution is not uniform, and cooling speed is not uniform. The refrigerator includes: a case forming a storage chamber; the door body is connected with the box body and used for opening or closing the storage chamber; the air channel assembly forms an air channel and is used for supplying air to the storeroom; the wind channel includes: the first air inlets are positioned on the side wall of the air duct assembly opposite to the side plate, the number of the first air inlets is multiple, and the multiple first air inlets are uniformly distributed on the left side wall, the right side wall and the upper side wall of the air duct assembly; the second air inlets are formed in the front side wall of the air duct assembly, the number of the second air inlets is multiple, and the multiple second air inlets are arranged in an array mode on the front side wall; and the air return opening is positioned at the lower part of the storage chamber. The refrigerator of the present invention is used for storing food.

Description

A kind of refrigerator

Technical Field

The invention relates to the technical field of refrigerators, in particular to a refrigerator.

Background

The refrigerator is a common refrigeration and preservation device and is widely applied to storage of food or other articles, wherein the air-cooled refrigerator is selected by more and more users due to the advantages of large capacity, no frost, cleanness, freshness and the like. The air-cooled refrigerator at least comprises an evaporator, a fan, an air duct and at least one storeroom, air is sucked by the fan after being subjected to heat exchange and temperature reduction through the evaporator to form air flow, then the air flow is transmitted into the storeroom through the air duct, and the low-temperature air flow is subjected to heat exchange with the air and objects in the storeroom to achieve the purpose of reducing the temperature of the storeroom.

The prior art provides an air-cooled refrigerator, which comprises a refrigerator body, a door body and a fan, wherein the refrigerator body and the door body enclose a storage chamber, and the storage chamber comprises a refrigerating chamber, a freezing chamber and a temperature-changing chamber; a plurality of storage chambers share one evaporator; the fan is a centrifugal fan. Every storeroom all is equipped with the wind channel subassembly, and the wind channel subassembly forms the wind channel, and the wind channel includes at least one air intake, and along the width direction of storeroom, the air intake all is located the centre of box rear side wall, and when the air intake had a plurality ofly, vertical direction interval distribution is followed to a plurality of air intakes, and cold wind flows into the storeroom along the direction from the directional door body of box rear side wall from the air intake.

However, in the air-cooled refrigerator in the prior art, on one hand, the air inlet is located in the middle of the rear side wall of the storage chamber, so that the air quantity on two sides of the air inlet is smaller than the air quantity in front of the air inlet. On the other hand, due to the airflow direction characteristic of the centrifugal fan, the airflow sent by the air inlet can deflect towards the side wall of the box body, so that the air quantity on the left side and the right side of the air inlet is uneven. The air quantity distribution of each area in the storage room is not uniform, and the cooling speed is not consistent.

Disclosure of Invention

The embodiment of the invention provides a refrigerator, which solves the problems that the air quantity at two sides of a storage chamber is small, the air quantity distribution in the storage chamber is uneven, and the cooling speed is inconsistent in the refrigerator in the prior art.

In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:

an embodiment of the present invention provides a refrigerator, including: the refrigerator comprises a refrigerator body, a storage chamber and a storage chamber, wherein the refrigerator body comprises a rear plate and side plates; the door body is movably connected with the box body and is used for opening or closing the storage chamber; the evaporator is arranged on the rear plate and used for cooling the airflow; the fan is arranged on the rear plate and is close to the evaporator; the air duct assembly is arranged on the rear plate, an air outlet gap is reserved between the air duct assembly and the side plate, the air duct assembly forms an air duct, and the air duct is used for supplying air to the storeroom; the wind channel includes: the first air inlets are positioned on the side wall of the air duct assembly opposite to the side plate, the number of the first air inlets is multiple, and the multiple first air inlets are uniformly distributed on the left side wall, the right side wall and the upper side wall of the air duct assembly; the second air inlets are positioned on the front side wall of the air duct assembly, the number of the second air inlets is multiple, and the multiple second air inlets are arranged on the front side wall in an array manner; the air return inlet is positioned at the lower part of the storage chamber; wherein, the preceding lateral wall of wind channel subassembly refers to the lateral wall that the wind channel subassembly is close to the door body.

The refrigerator provided by the embodiment of the invention comprises a refrigerator body, a refrigerator body and side plates, wherein the side plates comprise a left side plate positioned on the left side of a storage chamber, a right side plate positioned on the right side of the storage chamber, an upper side plate positioned at the top of the storage chamber and a lower side plate positioned at the bottom of the storage chamber. An evaporator, a fan and an air duct assembly are installed on the rear plate, and the evaporator, the fan and the air duct assembly jointly act as a storage chamber to exchange heat. The air duct assembly is tiled on the rear plate, an air outlet gap is reserved between the air duct assembly and the side plate of the box body, and the air duct assembly is protruded out of the rear plate by a certain height due to the fact that the air duct assembly is provided with a certain thickness, so that the air duct assembly is provided with a side wall opposite to the side plate. An air channel is formed in the air channel assembly, one end of the air channel is communicated with the fan, the other end of the air channel is communicated with the storeroom, and the air channel is used for supplying air to the storeroom. According to the refrigerator provided by the embodiment of the invention, the air duct comprises the first air inlet, the second air inlet and the air return opening. The first air inlet is arranged on the side wall of the air duct assembly opposite to the side plate, air flow sent into the storage chamber through the first air inlet blows towards the side plate, then, a part of air flow blows towards the door body along the side plate, and a vortex is formed near the door body close to the side plate; part of the airflow rebounds through the side plate and then flows into the storage chamber at a certain angle, and a vortex is formed at the position, close to the first air inlet, behind the storage chamber. The airflow sent into the storage chamber from the first air inlet can form two vortexes in the storage chamber, and the two vortexes are distributed at intervals in the thickness direction of the refrigerator, so that disturbance of the airflow in the storage chamber is enhanced, and the flowing area of the airflow in the storage chamber is increased. The number of the first air inlets is multiple, and the multiple first air inlets are uniformly distributed on the left side wall, the right side wall and the upper side wall of the air duct assembly. Due to the characteristic that the cold air flow flows downwards, the first air inlet is formed in the upper side wall of the air duct assembly, so that the cold air flow can be sent to the top of the storage chamber. The vortex formed by the airflow sent into the storage chamber by the first air inlet is positioned on one side of the storage chamber close to the side plate opposite to the first air inlet, the first air inlet is arranged on the left side wall and the right side wall of the air duct assembly, the vortex can be formed on the two sides of the storage chamber, and the airflow distribution on the left side and the right side of the storage chamber is uniform. A plurality of first air inlets are arranged on the left side wall and the right side wall of the air duct assembly along the vertical direction, so that the air flow distribution at the upper part and the lower part of the storage chamber is uniform. The second air inlets are located on the front side wall of the air duct assembly, the number of the second air inlets is multiple, and the multiple second air inlets are arranged on the front side wall in an array mode. The air current that the storeroom was sent into to the second air intake blows to one side of the door body along the direction of perpendicular to preceding lateral wall, and the vortex that is located the storeroom and is close to the position of curb plate by the air current formation of first air intake inflow storeroom, when the width broad of storeroom, the second air intake also can make the middle part of storeroom have sufficient cold wind air current, makes the storeroom can not appear that the both sides amount of wind is big, the little problem of middle amount of wind. The plurality of second air inlets are arranged on the front side wall in an array mode, so that air flow sent into the storage chamber by the second air inlets flows into the storage chamber uniformly. The air return opening is arranged at the lower part of the storage chamber, and according to the motion characteristic of the cold air flow, the cold air flow in the storage chamber flows to the lower part of the storage chamber after heat exchange and flows out of the storage chamber from the air return opening. Compared with the prior art, the refrigerator provided by the embodiment of the invention has the advantages that the first air inlet and the second air inlet are matched, so that cold air can be uniformly blown to all positions of the storage chamber, and the problems of nonuniform air distribution, small local air quantity and inconsistent cooling speed of all areas in the storage chamber are solved.

Drawings

Fig. 1 is a schematic perspective view of a refrigerator according to an embodiment of the present invention;

FIG. 2 is a front view of a refrigerator storage compartment according to an embodiment of the present invention after being opened;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a front view of a storage compartment of a refrigerator in accordance with an embodiment of the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 6 is a partial enlarged view of FIG. 5 at b;

fig. 7 is an exploded structure view of an upper duct assembly of a refrigerator according to an embodiment of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 2 at a;

FIG. 9 is an enlarged view of a portion of FIG. 7 at c;

FIG. 10 is an enlarged view of a portion of FIG. 7 at d;

FIG. 11 is a front view of an air duct assembly of a refrigerator according to an embodiment of the present invention;

fig. 12 is an exploded view schematically illustrating an air duct assembly of a refrigerator according to an embodiment of the present invention;

FIG. 13 is a cross-sectional view C-C of FIG. 11;

FIG. 14 is a cross-sectional view taken along line D-D of FIG. 11;

fig. 15 is an exploded structure view of a lower duct assembly of a refrigerator according to an embodiment of the present invention;

fig. 16 is a schematic view of an installation structure of a lighting assembly of a refrigerator according to an embodiment of the present invention.

Reference numerals:

1-a box body; 11-a back plate; 12-side plates; 2-a door body; 3-an evaporator; 4-a fan; 41-a support frame; 5-an air duct assembly; 5 a-an upper duct assembly; 5 b-a lower duct assembly; 51-air duct; 51 a-a first air duct; 51 b-a second air duct; 511-a first air inlet; 512-a second air inlet; 513-return air inlet; 514-third air inlet; 515-a wind guide section; 52-air duct foam; 521-a sealing strip; 53-air duct cover plate; 531-mounting grooves; 54-air duct decorative plate; 541-a vent hole; 542-clear aperture; 55-air distributing cavity; 551-air inlet; 6-volute; 7-a lighting assembly; 71-an illumination component; 72-wire.

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.

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.

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; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Generally, referring to fig. 1, the refrigerator of the embodiment of the invention has a shape similar to a rectangular parallelepiped, the refrigerator has a box body 1 and a door body 2, the box body 1 encloses a storage chamber, and the door body 2 can open or close the storage chamber. Generally, the refrigerator body and the door body are formed by foaming, and both the refrigerator body and the door body are provided with an inner container close to the storage chamber, an outer shell far away from the storage chamber, an end cover and a foaming layer positioned in the inner container, the outer shell and the end cover. The box body comprises a rear plate and a side plate, wherein the rear plate is opposite to the door body, the side plate is perpendicular to the rear plate, and at least an evaporator, a fan and an air duct assembly are installed on the rear plate. The evaporator, fan and duct assembly are used to refrigerate the storage compartment.

An embodiment of the present invention provides a refrigerator, as shown in fig. 1, 2, and 3, including: the refrigerator comprises a refrigerator body 1, wherein the refrigerator body 1 comprises a rear plate 11 and side plates 12, and a storage chamber is defined by the rear plate 11 and the side plates 12; the door body 2 is movably connected with the box body 1 and is used for opening or closing the storage chamber; the evaporator 3 is arranged on the rear plate 11 and used for cooling the airflow; the fan 4 is arranged on the rear plate 11, and the fan 4 is arranged close to the evaporator 3; referring to fig. 4, 5 and 6, the refrigerator according to the embodiment of the present invention further includes an air duct assembly 5, the air duct assembly 5 is installed on the rear plate 11, an air outlet gap is left between the air duct assembly 5 and the side plate 12, the air duct assembly 5 forms an air duct 51, and the air duct 51 is used for supplying air to the storage chamber; the air duct 51 includes: the first air inlets 511 are positioned on the side wall of the air duct assembly 5 opposite to the side plate 12, the number of the first air inlets 511 is multiple, and the multiple first air inlets 511 are uniformly distributed on the left side wall, the right side wall and the upper side wall of the air duct assembly 5; the second air inlets 512 are positioned on the front side wall of the air duct assembly, the number of the second air inlets 512 is multiple, and the multiple second air inlets 512 are arranged on the front side wall in an array manner; and an air return port 513, the air return port 513 being located at a lower portion of the storage chamber.

As shown in fig. 1 and 5, the refrigerator 1 according to the embodiment of the present invention includes a rear panel 11 and side panels 12, where the side panels 12 include a left side panel located at the left side of the storage chamber, a right side panel located at the right side of the storage chamber, an upper side panel located at the top of the storage chamber, and a lower side panel located at the bottom of the storage chamber. As shown in fig. 3, the evaporator 3, the fan 4 and the air duct assembly 5 are mounted on the rear plate 11, and the evaporator 3, the fan 4 and the air duct assembly 5 work together to exchange heat with the storage chamber. As shown in fig. 5 and 6, the air duct assembly 5 is flatly laid on the rear plate 11, and an air outlet gap is left between the air duct assembly 5 and the side plate 12 of the box body 1, and since the air duct assembly 5 has a certain thickness, the air duct assembly 5 protrudes out of the rear plate 11 by a certain height, so that the air duct assembly 5 has a side wall opposite to the side plate 12. An air duct 51 is formed in the air duct assembly 5, the air duct 51 is used for supplying air to the storage room, one end of the air duct 51 is communicated with the fan 4, and the other end of the air duct 51 is communicated with the storage room. In the refrigerator of the embodiment of the present invention, the air duct 51 includes a first air inlet 511, a second air inlet 512, and a return air inlet 513. Referring to fig. 5, 7 and 10, the first air inlet 511 is disposed on a side wall of the air duct assembly 5 opposite to the side plate 12, and the air flow sent into the storage chamber through the first air inlet 511 is blown toward the side plate 12, and then, a part of the air flow is blown toward the door body 2 along the side plate 12 and forms a vortex near the side plate 12 of the door body 2; a part of the air flow is blown into the storage compartment at a certain angle after being bounced by the side plate 12, and forms a vortex at a position close to the first air inlet 511 at the rear of the storage compartment. The air flow sent into the storage chamber from the first air inlet 511 may form two swirls in the storage chamber, and the two swirls are distributed at intervals in the thickness direction of the refrigerator, thereby enhancing disturbance of the air flow in the storage chamber and increasing the flow area of the air flow in the storage chamber. The number of the first air inlets 511 is plural, and the plural first air inlets 511 are uniformly distributed on the left side wall, the right side wall and the upper side wall of the air duct assembly 5. The first air inlet 511 provided at the upper sidewall of the duct assembly 5 may allow the cool air to be blown to the top of the storage compartment due to the downward flow characteristic of the cool air. The vortex formed by the air flow sent into the storage chamber by the first air inlet 511 is positioned at one side of the side plate 12 close to the storage chamber, and the first air inlet 511 is arranged on both the left side wall and the right side wall of the air duct assembly 5, so that the vortex can be formed on both sides of the storage chamber, and the air flow distribution on the left side and the right side of the storage chamber is uniform. The plurality of first air inlets 511 are formed in the left and right side walls of the air duct assembly 5 in the vertical direction, so that the air flow at the upper and lower portions of the storage compartment can be uniformly distributed. The second air inlets 512 are located on the front side wall of the air duct assembly 5, the number of the second air inlets 512 is multiple, and the multiple second air inlets 512 are arranged in an array on the front side wall of the air duct assembly. The airflow blown out by the second air inlet 512 blows to one side of the door body 1 along the direction vertical to the front side wall, the vortex formed by the airflow sent into the storage chamber by the first air inlet 511 is positioned at one side of the storage chamber close to the side plate, when the width of the storage chamber is wide, the airflow sent into the storage chamber by the second air inlet 512 enables the middle part of the storage chamber to have enough air volume, and the problems of large air volume at two sides and small air volume in the middle of the storage chamber are prevented. The plurality of second air inlets 512 are arranged in an array on the front side wall, so that the air flow sent into the storage chamber by the second air inlets 512 flows into the storage chamber uniformly. The air return opening 512 is disposed at the lower portion of the storage chamber, and according to the movement characteristics of the cold air flow, the cold air flow in the storage chamber flows to the lower portion of the storage chamber after heat exchange, and flows out of the storage chamber through the air return opening 513. Alternatively, in some embodiments, the first air inlet 511 on the left side wall and the first air inlet 511 on the right side wall of the air duct assembly 5 are symmetrically arranged, so that the air flow distribution is more uniform on the same horizontal plane in the storage chamber. Compared with the prior art, the refrigerator provided by the embodiment of the invention has the advantages that the first air inlet 511 and the second air inlet 512 are matched, so that cold air can be uniformly fed into each position of the storage chamber, and the problems of nonuniform air distribution, small local air quantity and inconsistent cooling speed of each area in the storage chamber are solved.

In the prior art, the air inlet is usually arranged in the middle of the rear side wall of the storage chamber, according to the characteristics of the centrifugal fan, air flow entering the storage chamber from the air inlet blows to the position, close to the door handle, of the inner side wall of the door body, and the thickness of a heat insulation material layer at the door handle is thinner, so that the temperature of the door handle at the outer side wall of the door body is lower. In summer, especially in the door handle of the freezing chamber, condensation can be formed at the door handle due to the low temperature and the large temperature difference with the indoor temperature. According to the refrigerator provided by the embodiment of the invention, the air flows sent into the storage chamber by the first air inlet 511 and the second air inlet 512 can not directly blow to the door handle, so that condensation at the door handle can be effectively prevented, and the use experience of a user is further improved.

Referring to fig. 5 and 6, in the refrigerator according to the embodiment of the present invention, the first air inlet 511 is provided with an air guiding section 515, an extending direction of the air guiding section 515 and the rear plate 11 form an included angle, and one end of the air guiding section 515 close to the first air inlet 511 is inclined toward the door body 2. On one hand, the wind guide section 515 enables the airflow sent into the storage chamber from the first wind inlet 511 to be smoothly sent into the storage chamber from the wind outlet gap between the wind channel assembly 5 and the side plate 12; on the other hand, after the air flow sent into the storage chamber from the first air inlet 511 contacts the side plate 12, a part of the air flow flows along the side plate 12 in a direction approaching the door body 2, and the other part of the air flow enters the storage chamber in a direction away from the rear plate, thereby forming two vortexes in the storage chamber. Wherein, the airflow flowing to the door body 2 along the side plate 12 forms a vortex near the door body 2 close to the side plate 12; the air flow entering the storage chamber in a direction away from the rear plate 11 forms a cyclone at a position close to the first air inlet 511 at the rear of the storage chamber. The air outlet direction of the first air inlet 511 refers to the flow direction of the air flow sent into the storage chamber from the first air inlet 511.

In some embodiments, as shown in fig. 4, a plurality of second air inlets 512 are arranged in a plurality of rows at intervals along the width direction of the refrigerator; along the height direction of the refrigerator, a plurality of second air inlets 512 are arranged at intervals in each row of second air inlets 512. In the embodiment of the present invention, as shown in fig. 4, the number of the second air inlets 512 is six, the six second air inlets 512 are divided into two rows on the front side wall of the air duct assembly 5, each row includes three second air inlets 512, and the three second air inlets 512 are distributed at intervals in the vertical direction. The number and distribution mode of the second air inlets 512 are flexibly set with the volume of the storage chamber.

As shown in fig. 3 and 7, the air duct assembly 5 of the refrigerator according to the embodiment of the present invention includes an air duct foam 52, an air duct cover plate 53, and an air duct decorative plate 54, wherein the air duct foam 52, the air duct cover plate 53, and the air duct decorative plate 54 are stacked in a thickness direction of the rear plate; and the air duct foam 52 is fixedly connected with the rear plate 11, and the air duct decorative plate 54 is arranged opposite to the door body 2. In some embodiments, as shown in fig. 2, 8 and 9, each of the second air inlets 512 is formed by a plurality of vent holes 541 formed in the air duct decoration plate 54. An air dividing cavity 55 is arranged between the air duct cover plate 53 and the air duct decorative plate 54, an air inlet 551 communicated with the air dividing cavity 55 is arranged on the air duct cover plate 53, the air inlet 551 is communicated with the air duct 51, and the vent holes 541 are communicated with the air dividing cavity 55. The cold air after heat exchange by the evaporator 3 is sucked by the fan 3 and sent into the air duct 51, then enters the air dividing chamber 55 through the air inlet 551, and then is sent into the storage chamber through the vent hole 541. Conventionally, the air inlet is a rectangular large opening. In the refrigerator of the embodiment of the invention, the second air inlet 512 is formed by the plurality of vent holes 541, so that under the condition that the air supply quantity of the fan 3 is constant, the air supply quantity of the second air inlet 512 can be reduced, the air supply quantity of the first air inlet 511 can be increased, the size of a vortex formed in the storage chamber can be increased, the disturbance of air flow in the storage chamber can be enhanced, and the air flow can flow in the storage chamber more uniformly. Moreover, the second air inlet 512 with a small hole shape may make the front side wall of the air duct assembly 5 more beautiful. Alternatively, the vent holes 541 may be shaped as circular holes or polygonal holes.

It should be noted that the air duct assembly 5 further includes an annular sealing strip 521 disposed along the circumferential direction of the air duct foam 52, optionally, the annular sealing strip 521 is made of sponge, and the annular sealing strip 521 is adhered to the air duct foam 52 by adhesion.

In some embodiments, as shown in fig. 2 and 3, in order to store articles in the storage compartment, a partition and a drawer are generally disposed in the storage compartment in a height direction of the refrigerator, and the partition is located above the drawer. The periphery of the storage space formed by the inner partition board of the storage chamber in the horizontal direction is not provided with a baffle, and the airflow sent into the storage chamber by the first air inlet 511 and the second air inlet 512 can directly contact with the articles on the partition board. The periphery of the drawer is provided with a baffle, a partition plate is arranged above the drawer, and the air flow sent into the storage chamber by the first air inlet 511 and the second air inlet 512 cannot directly enter the drawer. Therefore, in the refrigerator according to the embodiment of the present invention, in order to let sufficient air flow into the drawer, the air duct 51 further includes a third air inlet 514, the third air inlet 514 is located in a region of the front side wall corresponding to the drawer, and the third air inlet 514 is used for supplying air into the drawer. According to the refrigerator provided by the embodiment of the invention, the first air inlet 511 and the second air inlet 512 are used for supplying air to the storage space corresponding to the partition plate of the storage chamber, and the third air inlet 514 is used for directly supplying air to the drawer, so that cold air can be directly introduced into the drawer, the problem of over-small local air supply amount is avoided, the air volume of each region of the storage chamber is uniform, and the cooling speed of each region of the storage chamber is the same or similar.

In some embodiments, as shown in fig. 7, the refrigerator further comprises a volute 6, and the fan 4 is disposed within the volute 6. Referring to fig. 11, and 12, the air duct assembly 5 is divided into an upper air duct assembly 5a and a lower air duct assembly 5 b; referring to fig. 13 and 14, the air duct 51 includes a first air duct 51a formed in the upper air duct assembly 5a, and a second air duct 51b formed in the lower air duct assembly 5 b; the first air duct 51a is used for communicating the volute 6 with the first air inlet 511 and the second air inlet 512, and the second air duct 51b is used for communicating the volute 6 with the third air inlet 514. Part of cold air flow generated by the fan 4 is introduced into the first air duct 51a and sent into the storage area corresponding to the storage compartment partition by the first air inlet 511 and the second air inlet 512, and the other part of the cold air flow is sent into the storage area corresponding to the drawer by the second air duct 51b and the third air inlet 514.

In some embodiments, referring to fig. 14 and 15, the air duct assembly 5 further includes an insulating cotton 56 covering a side of the evaporator 3 close to the door body 2, a front cover plate 57 located on a side of the insulating cotton 56 opposite to the evaporator 3, and an air guiding structure 58 between the volute 6 and the front cover plate 57; the third air inlet 514 is located on the front cover plate 57, the air guide structure 58 forms a second air duct 51b, one end of the second air duct 51b is communicated with the volute 6, and the other end is communicated with the third air inlet 514. Alternatively, referring to fig. 12, the evaporator 3 and the fan 4 are both disposed below the back plate 11, the fan 4 is located above the evaporator 3, the air duct foam 52, the air duct cover plate 53 and the air duct decorative plate 54 form an upper air duct assembly 5a, and the upper air duct assembly 5a is located above the fan 4. The heat insulation cotton 56, the front cover plate 57 and the air guide structure 58 form a lower air duct assembly 5b, and the lower air duct assembly 5b covers the fan 4 and one side of the evaporator 3 close to the door body 2. In some embodiments, as shown in fig. 15, a sealing strip is provided at a position where the wind guiding structure 58 contacts the front cover plate 57, and optionally, the sealing strip is made of sponge.

It should be noted that, in general, referring to fig. 13 and 14, the evaporator 3 and the fan 4 are both disposed below the back plate 11, the fan 4 is disposed above the evaporator 3, a fan bracket 41 is disposed on a side of the fan 4 close to the back plate 11, and the fan 4 is fixedly mounted on the volute 6 through the fan bracket 41. Optionally, the fan is disposed near the evaporator 3, in the embodiment of the present invention, the fan is located 30 to 40 mm above the evaporator, the fan 4 is located very close to the evaporator 3, the air cooled by the evaporator 3 can rapidly enter the fan 4 from the air guide ring along the axial direction of the fan, the fan 4 is a centrifugal fan, then the air is thrown out along the radial direction of the fan 4 and enters the first air duct 51a and the second air duct 51b from the volute 6, and then the first air inlet 511, the second air inlet 512, and the third air inlet 514 are sent into the storage chamber.

In some embodiments, as shown in fig. 2, the storage compartments include a refrigerating compartment and a freezing compartment located at an upper portion of the refrigerator, and a temperature-changing compartment located at a lower portion of the refrigerator; wherein the refrigerating chamber and the freezing chamber are provided with side-by-side doors. Compared with the prior art, the refrigerating chamber and the freezing chamber share one evaporator and one fan, air channels of the freezing chamber and the refrigerating chamber are communicated with each other, and the refrigerating chamber is easy to taint with the freezing chamber. In the refrigerator of the embodiment of the invention, the refrigerating chamber and the freezing chamber are respectively provided with an evaporator 3 and a fan 4; the air duct assembly 5 comprises a refrigerating chamber air duct assembly and a freezing chamber air duct assembly, the refrigerating chamber air duct assembly and the freezing chamber air duct assembly operate independently, so that an air duct formed by the refrigerating chamber air duct assembly and an air duct formed by the freezing chamber air duct assembly are not communicated with each other, and the refrigerating chamber and the freezing chamber cannot be tainted with each other. And, walk-in and freezer adopt two relatively independent wind channel subassembly 5 respectively to supply air, and the amount of wind is big, can promote the refrigeration efficiency of refrigerator.

Referring to fig. 3 and 7, the air duct assembly 5 includes an air duct foam 52, an air duct cover plate 53, and an air duct decorative plate 54, and the air duct foam 52, the air duct cover plate 53, and the air duct decorative plate 54 are stacked in the thickness direction of the rear plate; and the air duct foam 52 is fixedly connected with the rear plate 11, and the air duct decorative plate 54 is arranged opposite to the door body 2. As shown in fig. 16, the refrigerator according to the embodiment of the present invention further includes an illumination assembly 7, where the illumination assembly 7 includes: the illuminating component 71, the illuminating component 71 is fixed between the air duct decorative plate 54 and the air duct cover plate 53; and a wire 72 for electrically connecting the lighting member 71 with a power source. Wherein, the air duct cover plate 53 is provided with a mounting groove 531 at a position corresponding to the lighting component 71, the lighting component 71 is positioned in the mounting groove 531, and the lighting component 71 is fixedly connected with the mounting groove 531; a wire groove is arranged at the position of the air duct cover plate 53 corresponding to the wire 72, and the wire 72 is positioned in the wire groove; the air duct decorative plate 54 is provided with a light through hole 542 at a position corresponding to the lighting component 71, and the light through hole 542 is composed of a plurality of small holes formed in the air duct decorative plate 54. Generally, in the prior art, the illumination lamp is usually clamped and mounted on the inner side wall of the box body, and a lampshade is arranged on the outer side of the illumination lamp. In the embodiment of the invention, the lighting component 71 is arranged between the air duct decorative plate 54 and the air duct cover plate 53, the light through hole 542 consisting of a plurality of small holes is arranged on the air duct decorative plate 54 corresponding to the lighting component 71, and the air duct decorative plate 54 can play the role of a lampshade in the prior art, so that the use of parts is reduced, and the cost is reduced. In addition, the lighting component 71 is arranged between the air duct decorative plate 54 and the air duct cover plate 53, so that the space of the storage room occupied by the lighting component 71 can be reduced. Since the light passing hole 542 is formed by a plurality of small holes, when the tube generated by the lighting unit 71 is emitted into the storage room through the light passing hole 542, the light is softer and not dazzling.

It should be noted that in some embodiments, the wire 72 may also be disposed between the duct foam 52 and the duct cover 53, and the wire groove is disposed on a side of the duct foam 52 adjacent to the duct cover 53.

In the embodiment of the present invention, the number of the lighting members 71 is plural, and the plural lighting members 71 are arranged in an array on the front side wall of the air duct assembly 5. Alternatively, as shown in fig. 16, similarly to the second air inlet 512, the number of the lighting members 71 according to the embodiment of the present invention is six, the six lighting members 71 are arranged in two rows on the front side wall in the width direction of the refrigerator, and three lighting members 71 are arranged at intervals in each row in the vertical direction of the refrigerator. The plurality of illuminating members 71 arranged in an array on the front side wall can prevent the light transmitting holes 542 from affecting the illumination of the storage room by the articles in the storage room.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

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 changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in 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

1. A refrigerator, comprising:

a cabinet including a rear panel and side panels enclosing a storage compartment;

the door body is movably connected with the box body and is used for opening or closing the storage chamber;

the evaporator is arranged on the rear plate and used for cooling the airflow;

the fan is arranged on the rear plate;

the air duct assembly is arranged on the rear plate, an air outlet gap is reserved between the air duct assembly and the side plate, the air duct assembly forms an air duct, and the air duct is used for supplying air to the storage chamber; the wind channel includes:

the first air inlets are positioned on the side wall of the air duct assembly opposite to the side plate, the number of the first air inlets is multiple, and the multiple first air inlets are uniformly distributed on the left side wall, the right side wall and the upper side wall of the air duct assembly;

the second air inlets are positioned on the front side wall of the air duct assembly, the number of the second air inlets is multiple, and the multiple second air inlets are arranged on the front side wall in an array manner; the front side wall is a side wall of the air duct assembly close to the door body;

and the air return opening is positioned at the lower part of the storage chamber.

2. The refrigerator as claimed in claim 1, wherein an air guiding section is disposed at the first air inlet, an extending direction of the air guiding section forms an included angle with the rear plate, and one end of the air guiding section, which is close to the side plate, is inclined toward the door body.

3. The refrigerator according to claim 1, wherein the second air inlets are spaced in a plurality of rows along a width direction of the refrigerator; and a plurality of second air inlets are arranged at intervals in each row of the second air inlets along the height direction of the refrigerator.

4. The refrigerator of claim 3, wherein the air duct assembly comprises an air duct foam, an air duct cover plate and an air duct decorative plate, and the air duct foam, the air duct cover plate and the air duct decorative plate are stacked in a thickness direction of the rear plate;

each second air inlet is formed by a plurality of vent holes formed in the air duct decorative plate; the air duct cover plate is provided with an air distribution cavity, an air inlet communicated with the air distribution cavity is formed in the air duct cover plate and communicated with the air duct, and the vent hole is communicated with the air distribution cavity.

5. The refrigerator according to any one of claims 1 to 4, wherein a partition and a drawer are provided in the storage compartment, and the first air inlet and the second air inlet are both located in an area of the air duct assembly corresponding to the partition; the air duct further comprises a third air inlet, the third air inlet is located in an area where the front side wall corresponds to the drawer, and the third air inlet is used for supplying air into the drawer.

6. The refrigerator of claim 5, further comprising a volute, the blower being disposed within the volute; the air duct comprises a first air duct and a second air duct, the first air duct is used for communicating the volute with the first air inlet and communicating the volute with the second air inlet, and the second air duct is used for communicating the volute with the third air inlet.

7. The refrigerator of claim 6, wherein the air duct assembly further comprises

The heat insulation cotton covers the evaporator and one side of the volute close to the door body;

the front cover plate is positioned on one side, opposite to the evaporator, of the heat insulation cotton, and the third air inlet is positioned on the front cover plate;

and the air guide structure is positioned between the volute and the front cover plate, the air guide structure forms the second air channel, one end of the second air channel is communicated with the volute, and the other end of the second air channel is communicated with the third air inlet.

8. The refrigerator according to claim 1, wherein the storage compartments include a refrigerating compartment and a freezing compartment located at an upper portion of the refrigerator, and a temperature varying compartment located at a lower portion of the refrigerator; wherein the refrigerating chamber and the freezing chamber are provided with side-by-side doors;

the refrigerating chamber is internally provided with one evaporator and one fan, and the freezing chamber is internally provided with one evaporator and one fan; the air duct assembly comprises a refrigerating chamber air duct assembly and a freezing chamber air duct assembly, and the refrigerating chamber air duct assembly and the freezing chamber air duct assembly operate independently.

9. The refrigerator of claim 1, wherein the air duct assembly comprises an air duct foam, an air duct cover plate and an air duct decorative plate, and the air duct foam, the air duct cover plate and the air duct decorative plate are stacked in a thickness direction of the rear plate; the refrigerator further includes a lighting assembly including:

the lighting component is fixed between the air duct decorative plate and the air duct cover plate;

a wire for electrically connecting the lighting part with a power supply;

the air duct cover plate is provided with a mounting groove corresponding to the lighting component, and the lighting component is positioned in the mounting groove and fixedly connected with the mounting groove; a wire groove is formed in the position, corresponding to the wire, of the air duct cover plate, and the wire is located in the wire groove; the air duct decorative plate is provided with a light through hole at a position corresponding to the lighting component, and the light through hole is formed by a plurality of small holes formed in the air duct decorative plate.

10. The refrigerator according to claim 9, wherein the number of the lighting members is plural, and a plurality of the lighting members are arranged in an array on the front side wall.