CN210267842U - Refrigerator with a door - Google Patents

Abstract

The utility model provides a refrigerator. The method comprises the following steps: a storage compartment configured to hold an item; the cooling chamber is arranged at the rear part of the storage chamber, an air inlet is formed in the rear wall of the cooling chamber, and at least one first air supply outlet communicated with the storage chamber is formed in each of two side walls of the cooling chamber; the evaporator is vertically arranged in the cooling chamber, a central through hole is formed in the middle of the evaporator, and the central through hole is aligned to the air inlet; the fan is arranged at the air inlet or in the central through hole; and the return air duct is communicated with the storage compartment and the air inlet. Because the cooling chamber is arranged at the rear part of the storage chamber, and the air supply outlet is directly arranged on the cooling chamber, the air duct assembly between the cooling chamber and the storage chamber in the front-back direction can be eliminated, the volume of the storage chamber is reduced, and the storage space of the storage chamber can be obviously enlarged. The cooling chamber directly supplies air, the air supply distance is short, and the loss of cold energy is small.

Description

Refrigerator with a door

Technical Field

The utility model relates to a refrigeration plant field especially relates to a refrigerator.

Background

A conventional refrigerator includes a cabinet, a compression refrigeration system, and a door. The box can include inner bag, heat preservation and shell, has storing space in the inner bag, and the door body is used for opening or closing storing space. A compression refrigeration system may include a compressor, a condenser, a throttling device, and an evaporator. The inlet end of the condenser is connected to the outlet of the compressor, the outlet end of the condenser is connected to the throttling device, the inlet end of the evaporator is connected to the throttling device, and the outlet end of the evaporator is connected to the inlet of the compressor. The refrigerator may comprise an air-cooled refrigerator. However, in the existing air-cooled refrigerator, the temperature distribution in the storage room is not uniform, and the storage volume is small. In addition, the evaporimeter adopts multirow formula side by side structure more, and the fan is placed in the evaporimeter upper end, and this kind of design mode exists certain not enough, and is great like multirow formula evaporimeter thickness, has reduced the compartment degree of depth, and usable space reduces, sets up the fan in the evaporimeter upper end, and the refrigerated air is behind the fan, still need can get into compartment performance cooling effect through longer wind channel, and the most cold volume of loss can't be utilized by the compartment in the wind channel, has reduced evaporimeter cooling capacity.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at overcoming current air-cooled refrigerator's at least one defect, provide a refrigerator, occupy less storing volume as far as possible, enlarge the storing space of refrigerator.

Therefore, the utility model provides a refrigerator, it includes:

a storage compartment configured to hold an item;

the cooling chamber is arranged at the rear part of the storage chamber, an air inlet is formed in the rear wall of the cooling chamber, and at least one first air supply outlet communicated with the storage chamber is formed in each of two side walls of the cooling chamber;

the evaporator is vertically arranged in the cooling chamber, a central through hole is formed in the middle of the evaporator, and the central through hole is aligned to the air inlet;

the fan is arranged at the air inlet or in the central through hole; and

and the air return duct is communicated with the storage compartment and the air inlet.

Optionally, the return air duct comprises:

the first air return duct extends from one side of the lower part of the storage compartment to the air inlet through the lower side of the cooling chamber; and

and the second return air duct extends from the other side of the lower part of the storage compartment to the air inlet through the lower side of the cooling chamber.

Optionally, at least one second air supply outlet is arranged on the top wall of the cooling chamber.

Optionally, at least one air supply duct is arranged in the top wall of the storage compartment, each air supply duct extends in the front-rear direction and is communicated with one second air supply outlet and the front portion of the storage compartment.

Optionally, the evaporator comprises:

the evaporation tubes are arranged in a single layer, and each evaporation tube is spirally coiled in the same plane; and

and a plurality of fins mounted to at least one of the evaporation tubes.

Optionally, at least one of said evaporator tubes and a plurality of said fins define said central through hole;

one end of each evaporation tube is close to the central through hole, and each evaporation tube extends to the other end of the evaporation tube from one end of the evaporation tube close to the central through hole around the central through hole.

Optionally, each of the evaporation tubes comprises a plurality of straight tube section groups, which are sequentially arranged along the circumferential direction of the evaporator; each straight pipe section group is provided with a plurality of straight pipe sections which are sequentially arranged in parallel along the radial direction of the evaporator.

Optionally, a plurality of fins are arranged on each evaporation tube; and is

Each of the fins is perpendicular to the corresponding evaporation tube;

the plurality of fins on each evaporating tube are arranged in sequence along the extending direction of the evaporating tube.

Optionally, the height of the cooling compartment is 3/4-1 of the height of the storage compartment; and is

The height of the evaporator is 3/4 to 1 of the height of the cooling chamber.

Optionally, the fan is a centrifugal fan;

the lower part of the front wall of the cooling chamber is provided with at least one third air supply outlet;

and a drawer is arranged at the lower part of the storage compartment, and each third air supply outlet is positioned at the rear side of the drawer.

The utility model discloses an among the refrigerator, because the cooling chamber sets up in the rear portion of storing room, directly be provided with the supply-air outlet on the cooling chamber, the wind channel subassembly between the front and back direction of cooling chamber and storing room that can cancel has reduced the volume that occupies the storing room, can show the storing space who enlarges the storing room. The cooling chamber directly supplies air, the air supply distance is short, and the loss of cold energy is small.

Further, the utility model discloses in the refrigerator, design into the individual layer structure of arranging with the evaporimeter, can show the thickness that reduces the evaporimeter, and then can increase the degree of depth of storing compartment, improve the internal space utilization of refrigerator box. Furthermore, the size of the evaporator can be determined according to the surface size of the rear wall of the storage chamber, so that the evaporator is filled in the whole rear wall. The fan can be arranged at the middle position of the evaporator, air is directly supplied to the storage chamber through the plurality of air supply outlets, air inlet, air return and the like of the storage chamber are more uniform, indoor air distribution of the storage chamber is uniform, and indoor temperature distribution of the storage chamber is uniform.

Furthermore, in the refrigerator of the present invention, the centrifugal fan is directly disposed in the central through hole of the evaporator, and the air transmitted from the bottom of the compartment through the air duct is diffused to the periphery of the evaporator through the fan, so that the air directly enters the compartment after passing through the evaporator; and a part of moisture on the evaporator can be directly sent into the chamber, so that the humidity of the chamber is improved, meanwhile, the air quantity transmission path is reduced, and the loss of cold quantity is reduced.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic cross-sectional view of a refrigerator according to an embodiment of the present invention;

FIG. 2 is another schematic cross-sectional view of the refrigerator shown in FIG. 1;

FIG. 3 is a schematic partial block diagram of the refrigerator shown in FIG. 1;

FIG. 4 is a schematic partial block diagram of the refrigerator shown in FIG. 1;

fig. 5 is a schematic structural view of an evaporator in the refrigerator shown in fig. 1.

Detailed Description

Fig. 1 is a schematic cross-sectional view of a refrigerator according to an embodiment of the present invention. As shown in fig. 1 and referring to fig. 2 to 5, in which arrows indicate the flow of air, an embodiment of the present invention provides a refrigerator that may include a storage compartment 30, a cooling compartment 40, an evaporator 20, a fan 60, and a return air duct 70. The storage compartment 30 is configured to hold articles, i.e., to hold items to be refrigerated or frozen. The cooling compartment 40 may be disposed at the rear of the storage compartment 30. An air inlet is arranged on the rear wall of the cooling chamber 40, and at least one first air supply outlet 42 communicated with the storage compartment 30 is arranged on each of the two side walls of the cooling chamber 40. The evaporator 20 is vertically disposed and installed in the cooling chamber 40. The evaporator 20 has a central through hole 23 in the middle thereof, and the central through hole 23 is aligned with the air inlet. The fan 60 is mounted at the air inlet or in the central through hole 23. The air return duct 70 communicates the air inlets of the storage compartment 30 and the cooling compartment 40. Because the cooling chamber 40 is arranged at the rear part of the storage chamber 30 and the air supply outlet is directly arranged on the cooling chamber 40, an air duct assembly between the cooling chamber 40 and the storage chamber 30 in the front-back direction can be eliminated, the volume of the storage chamber 30 is reduced, and the storage space of the storage chamber 30 can be obviously enlarged. The cooling chamber directly supplies air, the air supply distance is short, and the loss of cold energy is small.

In some embodiments of the present invention, the return air duct 70 includes a first return air duct 71 and a second return air duct 72. The first return air duct 71 extends from the lower side of the storage compartment 30 to the air inlet through the lower side of the cooling chamber 40. The second return air duct 72 extends from the other side of the lower portion of the storage compartment 30 to the air inlet through the lower side of the cooling compartment 40.

In some embodiments of the present invention, at least one second supply air outlet 43 is provided on the top wall of the cooling chamber 40. The lower portion of the front wall of the cooling compartment 40 is provided with at least one third supply air outlet 44. A drawer 80 is provided at a lower portion of the storage compartment 30, and each third supply air outlet 44 is positioned at a rear side of the drawer 80. The drawer 80 may also be provided as a fresh space. Further, at least one air supply duct 50 is disposed in the top wall of the storage compartment 30, and each air supply duct 50 extends in the front-rear direction and is respectively communicated with one second air supply outlet 43 and the front portion of the storage compartment 30.

In some embodiments of the present invention, as shown in fig. 3 to 5, the evaporator 20 may include at least one evaporation tube 21 and a plurality of fins 22. The evaporation tubes 21 are arranged in a single layer, and each evaporation tube 21 is spirally wound in the same plane. A plurality of fins 22 are mounted to the at least one evaporation tube 21. Preferably, the evaporation tube 21 may be plural, and the plural evaporation tubes 21 are arranged in parallel. It is also preferable that there is one evaporation tube 21. Design into single-layer arrangement structure with evaporimeter 20, can show the thickness that reduces evaporimeter 20, and then can increase the degree of depth of storing compartment, improve the internal space utilization of refrigerator.

In some embodiments of the present invention, the at least one evaporating tube 21 and the plurality of fins 22 define the central through hole 23. One end of each evaporation tube 21 is adjacent to the central through hole 23, and each evaporation tube 21 extends from its one end adjacent to the central through hole 23 around the central through hole 23 to the other end of the evaporation tube 21. Further, one end of each fin 22 is located at the center of the evaporator 20, and the other end is located at the periphery of the evaporator 20. In some preferred embodiments, a plurality of fins 22 are provided on each of the evaporating tubes 21. Each fin 22 is perpendicular to the corresponding evaporation tube 21. The plurality of fins 22 on each of the evaporating tubes 21 are arranged in order along the extending direction of the evaporating tube 21. That is, each fin 22 is mounted on only one of the evaporator tubes 21 between the inner and outer evaporator tube sections on which it is mounted. In this embodiment, the fins 21 define the central through hole 23 described above.

In some embodiments of the present invention, each of the evaporation tubes 21 includes a plurality of straight tube section groups, which are sequentially arranged in the circumferential direction of the evaporator 20; each straight tube section group has a plurality of straight tube sections arranged in parallel in order in the radial direction of the evaporator 20. Preferably, the set of straight tube sections may be four such that each coil of evaporating tubes 21 has a generally rectangular, e.g., generally square, section.

In some embodiments of the present invention, the height of the cooling compartment 40 is 3/4-1 the height of the storage compartment 30; and the height of the evaporator 20 is 3/4 to 1 of the height of the cooling compartment 40. The arrangement enables the evaporator 20 to be spirally paved on the rear wall surface of the cooling chamber 40, so that the evaporation area is large, the refrigeration effect is good, and excessive storage space is not occupied.

In some embodiments of the present invention, the number of the first supply air outlets 42 on each side wall of the cooling chamber 40 may be three, and are sequentially arranged in the vertical direction. The number of the second supply ports 43 in the top wall may be two or three. The third supply air outlet 44 at the lower part of the front wall may be two. The arrangement of the cooling chamber 40 and the air supply outlet can obviously shorten the cold air transmission distance between the evaporator 20 and the storage chamber 30, the air supply distance is short, the cold loss is small, and the temperature distribution of the storage chamber 30 can be uniform. The fan 60 is preferably a centrifugal fan. The centrifugal fan is disposed in the central through hole 23, sucks the return air, blows the air circumferentially through the evaporator, and distributes the air to the first air supply port 42, the second air supply port 43, and the third air supply port 44.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. A refrigerator, characterized by comprising:

a storage compartment configured to hold an item;

the cooling chamber is arranged at the rear part of the storage chamber, an air inlet is formed in the rear wall of the cooling chamber, and at least one first air supply outlet communicated with the storage chamber is formed in each of two side walls of the cooling chamber;

the evaporator is vertically arranged in the cooling chamber, a central through hole is formed in the middle of the evaporator, and the central through hole is aligned to the air inlet;

the fan is arranged at the air inlet or in the central through hole; and

and the air return duct is communicated with the storage compartment and the air inlet.

2. The refrigerator as claimed in claim 1, wherein the return air duct comprises:

the first air return duct extends from one side of the lower part of the storage compartment to the air inlet through the lower side of the cooling chamber; and

and the second return air duct extends from the other side of the lower part of the storage compartment to the air inlet through the lower side of the cooling chamber.

3. The refrigerator according to claim 1 or 2,

and the top wall of the cooling chamber is provided with at least one second air supply outlet.

4. The refrigerator according to claim 3,

at least one air supply duct is arranged in the top wall of the storage chamber, each air supply duct extends in the front-back direction and is communicated with one second air supply outlet and the front part of the storage chamber respectively.

5. The refrigerator according to claim 1, wherein the evaporator comprises:

the evaporation tubes are arranged in a single layer, and each evaporation tube is spirally coiled in the same plane; and

and a plurality of fins mounted to at least one of the evaporation tubes.

6. The refrigerator according to claim 5,

at least one of said evaporator tubes and a plurality of said fins defining said central through-hole;

one end of each evaporation tube is close to the central through hole, and each evaporation tube extends to the other end of the evaporation tube from one end of the evaporation tube close to the central through hole around the central through hole.

7. The refrigerator according to claim 6,

each evaporation tube comprises a plurality of straight tube section groups which are sequentially arranged along the circumferential direction of the evaporator; each straight pipe section group is provided with a plurality of straight pipe sections which are sequentially arranged in parallel along the radial direction of the evaporator.

8. The refrigerator according to claim 5,

each evaporating tube is provided with a plurality of fins; and is

Each of the fins is perpendicular to the corresponding evaporation tube;

the plurality of fins on each evaporating tube are arranged in sequence along the extending direction of the evaporating tube.

9. The refrigerator according to any one of claims 5 to 8,

the height of the cooling chamber is 3/4-1 of the height of the storage compartment; and is

The height of the evaporator is 3/4 to 1 of the height of the cooling chamber.

10. The refrigerator according to claim 3,

the fan is a centrifugal fan;

the lower part of the front wall of the cooling chamber is provided with at least one third air supply outlet;

and a drawer is arranged at the lower part of the storage compartment, and each third air supply outlet is positioned at the rear side of the drawer.

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