CN212205234U - A kind of refrigerator - Google Patents

Abstract

The utility model discloses a refrigerator relates to refrigerator technical field, has solved prior art, and the storeroom both sides amount of wind is little, and the amount of wind distributes inhomogeneously, problem that the cooling rate is inconsistent. 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 utility model discloses a refrigerator is used for preserving food.

Description

A kind of refrigerator

Technical Field

The utility model relates to a refrigerator technical field especially relates 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.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a refrigerator has solved prior art's refrigerator, and the storeroom both sides amount of wind is little, and the distribution of amount of wind is inhomogeneous in the storeroom, problem that cooling rate is inconsistent.

In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:

an embodiment of the utility model provides a refrigerator, include: 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 embodiment of the utility model provides a refrigerator, box include back plate and curb plate, and the curb plate is including being located the left side board of storeroom, being located the right side board on storeroom right side, be located the last curb plate at storeroom top and be located the lower side board of storeroom bottom. 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. The utility model discloses refrigerator, wind channel include first air intake, second air intake and return air inlet. 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, so that 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 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 embodiment of the utility model provides a refrigerator, first air intake and the cooperation of second air intake can make even blowing of cold wind to each position of storeroom, have solved the interior amount of wind of storeroom and have distributed inhomogeneously, local amount of wind undersize, the inconsistent problem of each regional cooling rate.

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 opening;

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

FIG. 4 is a front view of a refrigerator storage compartment according to 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 schematic 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 schematic view of 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 view of the lower duct assembly of the refrigerator according to the 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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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 merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning 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 this embodiment has the shape of approximate cuboid, and the refrigerator has box 1 and door body 2, and box 1 encloses into the storeroom, and door body 2 can open or close the storeroom, the utility model discloses the refrigerator of embodiment is to running from opposite directions door forced air cooling refrigerator, and its upper portion has walk-in and the freezer that runs from opposite directions the door setting, and the lower part is equipped with the temperature-changing room. 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 utility model provides a refrigerator, as shown in fig. 1, fig. 2 and fig. 3, include: 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.

The embodiment of the utility model provides a refrigerator, as shown in fig. 1 and 5, box 1 includes back plate 11 and curb plate 12, and curb plate 12 is including being located the left side board of storeroom, being located the right side board on storeroom right side, being located the last curb plate at storeroom top and being located the lower plate of storeroom bottom. 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 in the storage room. 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. The embodiment of the utility model provides a refrigerator, wind channel 51 includes first air intake 511, second air intake 512 and 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 can enable the middle position 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. In some embodiments, optionally, 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 embodiment of the utility model provides a refrigerator, first air intake 511 and the cooperation of second air intake 512 can make each position of sending into the storeroom that cold wind is even, have solved the interior amount of wind of storeroom and have distributed inhomogeneously, and local amount of wind undersize, the inconsistent problem of each regional cooling rate.

It should be noted that, in the prior art, the air inlet is usually disposed in the middle of the rear side wall of the storage chamber, according to the characteristics of the centrifugal fan, the air flow entering the storage chamber from the air inlet blows to the position of the inner side wall of the door body close to the door handle, and the thickness of the heat insulating material layer at the door handle is relatively thin, which results in a relatively low temperature at the door handle on the outer side wall of the door body. 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. The utility model discloses refrigerator, the air current that first air intake 511 and second air intake 512 sent into the storeroom can not directly blow to door handle department, can effectually prevent that the condensation from appearing in door handle department, and then promotes user's use and experiences.

Referring to fig. 5 and 6, in the refrigerator of the embodiment of the present invention, the first air inlet 511 is provided with the air guiding section 515, a certain included angle is formed between the extending direction of the air guiding section 515 and the rear plate 11, and one end of the air guiding section 515 close to the first air inlet 511 inclines 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; a plurality of second air inlets 512 are arranged at intervals in each row along the height direction of the refrigerator. 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 along the vertical direction. The number and distribution mode of the second air inlets 512 are flexibly set with the volume of the storage chamber.

The refrigerator of the embodiment of the utility model, as shown in fig. 3 and 7, the air duct component 5 comprises air duct foam 52, an air duct cover plate 53 and an air duct decorative plate 54, the air duct foam 52, the air duct cover plate 53 and the air duct decorative plate 54 are arranged in a stacked manner along 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. 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. The utility model discloses refrigerator sets up second air intake 512 into the form of compriseing a plurality of air vents 541, under the certain circumstances of 3 air supply volumes of fan, can reduce the air supply volume of second air intake 512, increases the air supply volume of first air intake 511, increases the size of the vortex of formation in the storeroom, strengthens the disturbance of air current in the storeroom, makes the more even flow in the storeroom of air current. 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, the utility model discloses refrigerator, in order to make can let in sufficient cold wind in the drawer, wind channel 51 still includes third air inlet 514, and third air inlet 514 is located the region that preceding lateral wall and drawer correspond, and third air inlet 514 is used for supplying air in to the drawer. The embodiment of the utility model provides a refrigerator, first air intake 511 and second air intake 512 are used for the storing space air supply that corresponds for the baffle of storeroom, and third air intake 514 is used for directly supplying air in the drawer to can let in cold wind in making the drawer, the problem of local air supply undersize can not appear, so that each regional amount of wind of storeroom is even, makes each regional cooling rate of storeroom the same or close.

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 close to evaporimeter 3 and sets up, the embodiment of the utility model provides an, the fan is located evaporimeter top 30 ~ 40 millimeters department, fan 4 is very close to evaporimeter 3, can be quick the air through the cooling of evaporimeter 3 enters into fan 4 inside along the axial of fan from the wind-guiding circle, fan 4 is centrifugal fan, then the air radially is thrown away back along fan 4 and gets into first wind channel 51a and second wind channel 51b from spiral case 6, then first air intake 511, second air intake 512 and third air intake 514 send into in 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 utility model, 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; 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. The utility model discloses refrigerator, as shown in fig. 16, still include lighting assembly 7, lighting 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. The embodiment of the utility model provides an in, install lighting part 71 between wind channel decorative board 54 and wind channel apron 53 to the position that corresponds with lighting part 71 on wind channel decorative board 54 sets up the logical unthreaded hole 542 of constituteing by a plurality of apertures, and wind channel decorative board 54 can play the effect of lamp shade among the prior art, and then reduces the use of spare part, reduce cost. 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 air duct foam 52 and the air duct cover 53, and the wire groove is disposed on a side of the air duct foam 52 close to the air duct cover 53.

In the embodiment of the present invention, the number of the lighting components 71 is plural, and the plurality of lighting components 71 are arranged in an array on the front side wall of the air duct assembly 5. Alternatively, as shown in fig. 16, similar to the second air inlet 512, the number of the lighting components 71 according to the embodiment of the present invention is six, the six lighting components 71 are arranged in two rows on the front side wall along the width direction of the refrigerator, and three lighting components 71 are arranged at intervals along the vertical direction of the refrigerator in each row. 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 embodiments are only 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 should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

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 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.

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