CN210220303U - Evaporator for refrigerator and refrigerator - Google Patents

Abstract

The utility model relates to an evaporimeter and refrigerator for refrigerator. Specifically, the utility model provides an evaporimeter for refrigerator, it includes: the evaporation tubes are arranged in a single layer, and each evaporation tube is spirally coiled in the same plane; and a plurality of fins mounted to at least one of the evaporation tubes. The utility model also provides a refrigerator of having above-mentioned evaporimeter. The evaporator is designed to be of a single-layer arrangement structure, the thickness of the evaporator can be obviously reduced, the depth of the storage chamber can be increased, and the utilization rate of the space in the refrigerator body is improved. 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 is arranged at the middle position of the evaporator, and a plurality of air supply outlets are used for directly supplying air to the storage chamber, so that the air supply distance is short, the cold loss is small, and the temperature distribution of the storage chamber is uniform.

Description

Evaporator for refrigerator and refrigerator

Technical Field

The utility model relates to a refrigeration plant field especially relates to an evaporimeter and refrigerator for 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, the existing air-cooled refrigerator evaporators mostly adopt a multi-row parallel structure, and fans are arranged at the upper ends of the evaporators, and the design mode has certain defects, for example, the multi-row evaporators are large in thickness, so that the compartment depth is reduced, the available space is reduced, the fans are arranged at the upper ends of the evaporators, cooled air can enter the compartments through longer air channels after passing through the fans to play a cooling effect, most of cold energy lost in the air channels cannot be utilized by the compartments, and the cooling capacity of the evaporators is reduced; but also causes the temperature distribution in the chamber to be uneven.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at overcoming at least one defect of current evaporimeter for the refrigerator, provide an evaporimeter and refrigerator for the refrigerator, can show the thickness that reduces the evaporimeter.

To this end, in one aspect, the present invention provides an evaporator for a refrigerator, comprising:

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 a 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, one end of each fin is located at the middle of the evaporator, and the other end is located at the periphery 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.

On the other hand, the utility model also provides a refrigerator, it includes:

a storage compartment configured to hold an item;

the cooling chamber is arranged at the rear side of the storage compartment;

the air supply duct is arranged between the storage chamber and the cooling chamber, is provided with an air inlet at the rear side and supplies air to the storage chamber; and

the evaporator is vertically arranged and installed in the cooling chamber; and

and the fan is arranged at the air inlet.

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 air inlet is arranged at the front side of the middle part of the evaporator;

and a plurality of air supply outlets are arranged on the front side of the air supply duct.

Optionally, a return air duct communicating the storage compartment and the cooling compartment is arranged on the lower side of the supply air duct;

the plurality of the air supply openings are arranged in three groups and are arranged in sequence along the vertical direction.

Optionally, the fan is an axial flow fan, and a rear end of the fan extends into the central through hole of the evaporator.

The utility model discloses an in evaporimeter and refrigerator, design into individual layer arrangement structure 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, and a plurality of air supply outlets are used for directly supplying air to the storage chamber, so that the air supply distance is short, the cold loss is small, and the temperature distribution of the storage chamber is uniform.

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 block diagram of an evaporator according to one embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a refrigerator according to an embodiment of the present invention;

FIG. 3 is another schematic cross-sectional view of the refrigerator shown in FIG. 2;

FIG. 4 is a schematic partial structural view of the refrigerator shown in FIG. 2;

fig. 5 is a schematic structural view of another view angle of a partial structure of the refrigerator shown in fig. 4.

Detailed Description

Fig. 1 is a schematic structural view of an evaporator according to an embodiment of the present invention. As shown in fig. 1, an embodiment of the present invention provides an evaporator 20. 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, at least one of the evaporator tubes 21 and the plurality of fins 22 define a 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.

The utility model also provides a refrigerator, as shown in fig. 2 to 5, the arrow in the figure shows that the air current flows. The refrigerator may include a storage compartment 30, a cooling compartment 40, an air supply duct 50, an evaporator 20, and a fan 60. The storage compartment 30 is configured to hold articles, i.e., to hold items to be refrigerated or frozen. The cooling chamber 40 may be disposed at a rear side of the storage compartment 30. The air supply duct 50 may be disposed between the storage compartment 30 and the cooling compartment 40, and an air inlet 51 is disposed at a rear side of the air supply duct 50 to supply air to the storage compartment 30. The evaporator 20 is the evaporator 20 in any of the above embodiments, and the evaporator 20 is vertically disposed and installed in the cooling chamber 40. The blower 60 is installed at the air inlet 51.

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 air inlet 51 is disposed at the front side of the middle portion of the evaporator 20. A plurality of air blowing ports 52 are provided on the front side of the air blowing duct 50. The plurality of blow openings 52 are arranged in three groups, being arranged in order in the vertical direction. The arrangement of the air supply duct 50 and the air supply outlet 52 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. A return air duct 70 communicating the storage compartment 30 and the cooling compartment 40 is provided below the supply air duct 50. The fan 60 is an axial flow fan 60, and the rear end of the fan 60 extends into the central through hole 23 of the evaporator 20. In other embodiments of the present invention, multiple return air ducts may be provided at multiple locations, for example, the multiple return air ducts may be located at the upper, both sides, and/or bottom of storage compartment 30, respectively.

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. An evaporator for a refrigerator, comprising:

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.

2. An evaporator according to claim 1,

at least one of said evaporator tubes and a plurality of said fins defining a 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.

3. An evaporator according to claim 1,

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.

4. An evaporator according to claim 1,

one end of each fin is located in the middle of the evaporator, and the other end of each fin is located at the periphery of the evaporator.

5. An evaporator according to claim 1,

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.

6. A refrigerator, characterized by comprising:

a storage compartment configured to hold an item;

the cooling chamber is arranged at the rear side of the storage compartment;

the air supply duct is arranged between the storage chamber and the cooling chamber, is provided with an air inlet at the rear side and supplies air to the storage chamber; and

the evaporator of any one of claims 1 to 5, disposed vertically and mounted within the cooling chamber; and

and the fan is arranged at the air inlet.

7. The refrigerator according to claim 6,

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.

8. The refrigerator according to claim 6 or 7,

the air inlet is arranged on the front side of the middle part of the evaporator;

and a plurality of air supply outlets are arranged on the front side of the air supply duct.

9. The refrigerator according to claim 8,

a return air duct communicated with the storage compartment and the cooling compartment is arranged at the lower side of the air supply duct;

the plurality of the air supply openings are arranged in three groups and are arranged in sequence along the vertical direction.

10. The refrigerator according to claim 8,

the fan is an axial flow fan, and the rear end of the fan extends into the central through hole of the evaporator.

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