CN209893710U - Refrigerator with a door - Google Patents
Refrigerator with a door Download PDFInfo
- Publication number
- CN209893710U CN209893710U CN201920480341.1U CN201920480341U CN209893710U CN 209893710 U CN209893710 U CN 209893710U CN 201920480341 U CN201920480341 U CN 201920480341U CN 209893710 U CN209893710 U CN 209893710U
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- air supply
- cooling chamber
- evaporator
- air
- storage compartment
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Abstract
The utility model provides a refrigerator. Comprises a storage compartment configured to accommodate an article; the cooling chamber is arranged at the rear side or the rear part of the storage compartment; the evaporator is vertically arranged in the cooling chamber; the air supply duct is arranged at the rear part of the storage compartment and is positioned at the front side of the cooling chamber; the rear wall of the air supply duct is provided with an air inlet communicated with the cooling chamber; at least one first air supply outlet is arranged on each of two side walls of the air supply duct; the fan is arranged at the air inlet; and at least one return air duct which is communicated with the storage compartment and the cooling compartment at least one of the upper end and the lower end of the cooling compartment. The air inlet and the return air of the storage room can be more uniform, the distribution of the indoor air quantity of the storage room is uniform, and the indoor temperature distribution of the storage room can be uniform.
Description
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 indoor temperature distribution of the storage room is not uniform. 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, make indoor temperature distribution between the storing even as far as possible.
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 side or the rear part of the storage compartment;
the evaporator is vertically arranged in the cooling chamber;
the air supply duct is arranged at the rear part of the storage compartment and is positioned at the front side of the cooling chamber; the rear wall of the air supply duct is provided with an air inlet communicated with the cooling chamber; at least one first air supply outlet is arranged on each of two side walls of the air supply duct;
the fan is arranged at the air inlet; and
and the storage compartment is communicated with the cooling chamber at least at one position of the upper end and the lower end of the cooling chamber.
Optionally, at least one of the return air ducts comprises:
the first air return duct is arranged on the upper side of the storage chamber and is communicated with the upper part of the storage chamber and the upper end of the cooling chamber; and
and the second return air duct is arranged on the lower side of the air supply duct and is communicated with the lower part of the storage compartment and the lower end of the cooling chamber.
Optionally, at least one second air supply outlet is arranged on the top wall of the air supply duct.
Optionally, the air inlet is disposed at a front side of a middle portion of the evaporator.
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 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;
the air inlet is aligned with 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 an axial fan or a centrifugal fan;
the lower part of the front wall of the air supply duct 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 all be provided with at least one supply-air outlet on two lateral walls in air supply wind channel, and the cooling chamber sets up in the rear side of storing compartment, can make the air inlet and the return air of storing compartment etc. more even for indoor amount of wind distribution is even between the storing, and then can make indoor temperature distribution between the storing even.
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, 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.
Further, the utility model discloses an in the refrigerator, the fin can be prevented to keep out the wind by the setting of evaporimeter central authorities through-hole. The centrifugal fan and the like are arranged in the air supply duct and are opposite to the ventilation hole at the front end of the evaporator, so that a negative pressure area is formed, the air passing through the evaporator is sucked away, and the air is distributed to the air supply outlets.
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 structural view of another perspective of a partial structure of the refrigerator shown in fig. 3;
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 air supply duct 50, an evaporator 20, a fan 60, and at least one return air duct. 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 a rear side or rear portion of the storage compartment 30. The air supply duct 50 may be disposed at the rear portion of the storage compartment 30 and in front of the cooling chamber 40, an air inlet 51 is disposed on the rear wall of the air supply duct 50, and at least one first air supply outlet 52 is disposed on both side walls of the air supply duct 50. The evaporator 20 is vertically disposed and installed in the cooling chamber 40. The blower 60 is installed at the air inlet 51. At least one return air duct communicates the storage compartment 30 with the cooling compartment 40 at least one of the upper and lower ends of the cooling compartment 40. Because at least one air supply opening is arranged on two side walls of the air supply duct 50, and the cooling chamber 40 is arranged at the rear side of the storage chamber 30, the air inlet, the air return and the like of the storage chamber 30 can be more uniform, the air volume distribution in the storage chamber 30 is uniform, and the temperature distribution in the storage chamber 30 is uniform
In some embodiments of the present invention, the at least one return air duct includes a first return air duct 71 and a second return air duct 72. The first return air duct 71 is disposed above the storage compartment 30 and communicates an upper portion of the storage compartment 30 with an upper end of the cooling chamber 40. The second return air duct 72 is provided below the supply air duct 50 and communicates the lower portion of the storage compartment 30 with the lower end of the cooling compartment 40. The two air return channels break through the situation that only air is returned from the bottom of the existing refrigerator, and the air return of the storage compartment 30 is more uniform. Furthermore, the arrangement of the two air return channels can realize air return at the upper end and the lower end, so that air inlet at the upper side and the lower side of the evaporator 20 can be realized, and the evaporation efficiency of the evaporator 20 is improved. Further, both the upper and lower sides of the evaporator 20 may be provided with a deflector mechanism to better direct return air to the evaporator. The flow guide mechanism can comprise two flow guide sheets which are symmetrically arranged, and the distance between the two flow guide sheets can be gradually reduced and then gradually enlarged along the airflow flowing direction, or the distance between the two flow guide sheets is gradually increased along the airflow flowing direction.
In some embodiments of the present invention, at least one second supply air outlet 53 is provided on the top wall of the supply air duct 50. At least one third air supply outlet 54 is provided at the lower portion of the front wall of the air supply duct 50. A drawer 80 is provided at a lower portion of the storage compartment 30, and each of the third blowing ports 54 is provided at a rear side of the drawer 80.
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, 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.
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. The number of the first blowing ports 52 formed at each side wall of the blowing duct 50 may be three, which are sequentially arranged in the vertical direction. The number of the second supply ports 53 on the top wall may be two or three. The number of the third supply ports 54 in the lower portion of the front wall may be two. The arrangement of the air supply duct 50 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 an axial fan or a centrifugal fan, and the air inlet is opposite to the central through hole 23 of the evaporator 20. The provision of the central through hole 23 of the evaporator 20 prevents the fins 22 from being shielded from wind. A centrifugal fan or the like is provided in the air supply duct so as to face the ventilation hole at the front end of the evaporator to form a negative pressure region, and the air passing through the evaporator is sucked and distributed to the first air supply port 52, the second air supply port 53 and the third air supply port 54.
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 side or the rear part of the storage compartment;
the evaporator is vertically arranged in the cooling chamber;
the air supply duct is arranged at the rear part of the storage compartment and is positioned at the front side of the cooling chamber; the rear wall of the air supply duct is provided with an air inlet communicated with the cooling chamber; at least one first air supply outlet is arranged on each of two side walls of the air supply duct;
the fan is arranged at the air inlet; and
and the storage compartment is communicated with the cooling chamber at least at one position of the upper end and the lower end of the cooling chamber.
2. The refrigerator of claim 1 wherein at least one of said return air ducts comprises:
the first air return duct is arranged on the upper side of the storage chamber and is communicated with the upper part of the storage chamber and the upper end of the cooling chamber; and
and the second return air duct is arranged on the lower side of the air supply duct and is communicated with the lower part of the storage compartment and the lower end of the cooling chamber.
3. The refrigerator according to claim 1 or 2,
and at least one second air supply outlet is arranged on the top wall of the air supply duct.
4. The refrigerator according to claim 1,
the air inlet is arranged on the front side of the middle part of the evaporator.
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 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;
the air inlet is aligned with 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 an axial flow fan or a centrifugal fan;
the lower part of the front wall of the air supply duct 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920480341.1U CN209893710U (en) | 2019-04-10 | 2019-04-10 | Refrigerator with a door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920480341.1U CN209893710U (en) | 2019-04-10 | 2019-04-10 | Refrigerator with a door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209893710U true CN209893710U (en) | 2020-01-03 |
Family
ID=68998946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920480341.1U Active CN209893710U (en) | 2019-04-10 | 2019-04-10 | Refrigerator with a door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209893710U (en) |
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2019
- 2019-04-10 CN CN201920480341.1U patent/CN209893710U/en active Active
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