WO2016082622A1

WO2016082622A1 - Refrigerator

Info

Publication number: WO2016082622A1
Application number: PCT/CN2015/091100
Authority: WO
Inventors: 姬立胜; 戚斐斐; 刘建如; 张书锋; 陶海波; 周文; 李心灵
Original assignee: 青岛海尔股份有限公司
Priority date: 2014-11-27
Filing date: 2015-09-29
Publication date: 2016-06-02
Also published as: CN104567203A

Abstract

Disclosed is a refrigerator, comprising a box body (10), a storage chamber (20) arranged within the box body (10), an air passage (30) arranged within the box body (10) and in communication with the storage chamber (20), and an evaporator (40) and a fan (50) arranged within the air passage (30), the air passage (30) being provided with an air inlet (321) and an air outlet (332), a flow-guiding device (60) also being arranged within the air passage (30), the flow-guiding device (60) being located between the evaporator (40) and the air inlet (321). Compared to the prior art, the present refrigerator (100), via the arrangement of the flow-guiding device (60), enables air to not pass through from a gap (41) formed between the evaporator (40) and the air passage (30) when flowing through the evaporator, and also enables each area of the evaporator (40) to have air passing through to take away generated cooling capacity, effectively increasing the utilisation rate of the evaporator (40) and increasing a freezing or cold storage effect of the refrigerator (100).

Description

refrigerator

The present application claims the priority of the Chinese Patent Application Serial No. 20141069643, the entire disclosure of which is incorporated herein by reference.

Technical field

The invention relates to a refrigerator, in particular to an air-cooled refrigerator.

Background technique

With the development of the economy and the gradual improvement of people's living standards, the refrigerator has become a must for daily life. The freezer compartment of a conventional direct-cooling refrigerator is directly enclosed by an evaporator or an evaporator is provided in the freezing compartment. During cooling, the air in the freezer compartment is in direct heat exchange with the evaporator. As the use time increases, a layer of frost forms on the evaporator interior wall of the refrigerator or on the evaporator disposed in the freezer compartment, and the frost layer affects the refrigeration effect of the evaporator. Therefore, conventional direct cooling refrigerators require manual defrosting after a period of use. The air-cooled refrigerator does not form a frost layer on the inner wall of the freezer compartment, so the air-cooled refrigerator is popular.

1 is a cross-sectional view of a conventional air-cooled refrigerator including a cabinet 1, a storage compartment 2 disposed in the cabinet 1, an air duct 3 disposed in the cabinet 1, and a setting An evaporator 4 in the duct 3 and a fan 5 disposed in the duct 3. The air duct 3 includes an air inlet 6 and an air outlet 7, the air inlet 6 and the air outlet 7 are in communication with the storage compartment 2, and the air inlet 6 is located at the bottom of the storage compartment 2, the air outlet 7 is located at the top of the storage compartment 2. The air in the storage compartment 2 enters the air duct 3 from the air inlet 6 under the action of the fan 5, and flows out from the air outlet 7 to the storage compartment after being cooled by the evaporator 4. 2, thereby cooling or refrigerating the articles located in the storage compartment 2. However, when air flows through the evaporator 4, a large portion of the air actually flows from the gap between the evaporator 4 and the inner wall of the air duct 3, so that the cooling effect of the air is deteriorated, thereby reducing The freezing or refrigerating effect of the storage compartment.

In view of the above problems, it is necessary to further improve the existing refrigerator to solve the above problems.

Summary of the invention

It is an object of the present invention to provide a refrigerator provided with a flow guiding device such that air passes through the evaporator, thereby improving the efficiency of use of the evaporator and improving the freezing or refrigerating effect of the storage compartment.

In order to achieve the above object, the present invention provides a refrigerator including a case, a storage compartment disposed in the case, a duct disposed in the case and communicating with the storage compartment, and being disposed in the refrigerator An evaporator and a fan in the air duct, the air duct having an air inlet and an air outlet, wherein the air duct is further provided with a flow guiding device, and the flow guiding device is located between the evaporator and the air inlet.

As a further improvement of the present invention, the flow guiding device has a plurality of baffles, the baffle includes a first baffle and a second baffle, the first baffle and the second diversion An obtuse angle is formed between the plates.

As a further improvement of the present invention, the fan is located between the evaporator and the air outlet.

As a further improvement of the present invention, the fan is located between the evaporator and the air inlet.

As a further improvement of the present invention, the air duct has a main passage and an air inlet passage and an air outlet passage respectively located at two sides of the main passage, the evaporator is installed in the main passage, and the air inlet is located at the The air inlet passage intersects the inner wall of the storage chamber, and the air outlet is located at a intersection of the air outlet passage and the inner wall of the storage chamber.

As a further improvement of the present invention, the diameter of the air inlet passage gradually becomes larger from the air inlet to the boundary between the air inlet passage and the main passage.

As a further improvement of the present invention, the storage compartment includes a first storage compartment and a second storage compartment in communication with the first storage compartment and located below the first storage compartment, the first storage compartment having a cross section Rectangular, the second storage compartment has a right-angled cross section.

As a further improvement of the present invention, the air inlet and the air outlet are both located on an inner wall of the second storage compartment.

As a further improvement of the present invention, the flow guiding device is fixedly mounted on the inner wall of the air duct.

As a further improvement of the invention, the flow guiding device is fixedly mounted on the evaporator.

Compared with the prior art, the present invention has an advantage in that the refrigerator of the present invention is provided with a flow guiding device so that not only air flows through the evaporator but also does not form from between the evaporator and the air passage. The gap flows through, and at the same time, air can be taken away from each place in the evaporator, which effectively increases the utilization rate of the evaporator and enhances the freezing or refrigerating effect of the refrigerator.

DRAWINGS

Figure 1 is a cross-sectional view showing a conventional air-cooled refrigerator.

Figure 2 is a cross-sectional view showing the refrigerator of the present invention.

Fig. 3 is a partial enlarged view of Fig. 2.

detailed description

The present invention will be described in detail below with reference to the drawings and specific embodiments.

It is also to be noted that, in order to avoid obscuring the invention in unnecessary detail, only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and the description is omitted. Invented other details that have little to do with.

In addition, it should be noted that the terms "comprising", "including", or any other variants are intended to encompass a non-exclusive inclusion, such that a process, method, article, or device that comprises a plurality of elements includes not only those elements but also It also includes other elements that are not explicitly listed, or elements that are inherent to such a process, method, item, or device.

Referring to FIG. 2, the refrigerator 100 of the present invention includes a casing 10, a storage compartment 20 disposed in the casing 10, and a duct disposed in the casing 10 and communicating with the storage compartment 20. 30. An evaporator 40 and a fan 50 disposed in the air duct 30, a flow guiding device 60 disposed in the air duct 30, and a compressor housing 70 disposed in the housing 10.

The storage compartment 20 includes a first storage compartment 21 and is in communication with the first storage compartment 21 and is located at the first The second storage compartment 22 below the storage compartment 21. The first storage compartment 21 has a rectangular cross section, and the second storage compartment 22 has a substantially right-angled cross section.

The air duct 30 includes a main passage 31 and an air inlet passage 32 and an air outlet passage 33 respectively located at two sides of the main passage 31. The evaporator 40 is mounted within the main passage 31. The air inlet passage 32 has an air inlet 321 which is located on a side wall of the second storage chamber 22 such that the air inlet passage 32 communicates with the second storage chamber 22. The diameter of the air inlet passage 32 gradually increases from the air inlet 321 to the boundary between the air inlet passage 32 and the main passage 31. The air outlet passage 33 has an air outlet 331 on the side wall of the first storage compartment 21 and an air outlet 332 on the side wall of the second storage compartment 22, so that the air outlet passage 33 is respectively The first storage compartment 21 and the second storage compartment 22 are in communication. In the embodiment, the number of the

air outlets

331, 332 is two, but in other embodiments, the number of the

air outlets

331, 332 can be set according to requirements.

In the present embodiment, the storage compartment 20 is divided into a first storage compartment 21 and a second storage compartment 22, and the

air outlets

331, 332 are correspondingly provided with two, corresponding to the first storage compartment 21 and the second storage respectively. a chamber 22 such that the outlet passages 33 communicate with the first storage compartment 21 and the second storage compartment 22, respectively; of course, the storage compartment 20 shown in FIG. 2 may also be only the second storage compartment 22, The first storage compartment is located above the second storage compartment 22 and is not shown in FIG. 2, at which time the two

outlets

331, 332 all correspond to the second storage compartment 22, so that the outlet The air passage 33 communicates with the second storage compartment 22 and forms a cool air circulation in the second storage compartment 22.

The fan 50 is obliquely installed in the air duct 30 and located between the

air outlets

331, 332 and the evaporator 40 to blow air cooled by the evaporator 40 into the storage compartment 20 Thereby, freezing or refrigerating of the articles stored in the storage compartment 20 is achieved. An angle is formed between the air blowing direction of the fan 50 and the horizontal direction, and the angle is an acute angle. Although in the present embodiment, the fan 50 is located between the

air outlets

331, 332 and the evaporator 40, in other embodiments, the fan 50 may be disposed to be located in the evaporator 40 and Between the air inlets 321 .

Referring to FIG. 3 and in conjunction with FIG. 2, the flow guiding device 60 is installed in the air duct 30 and located between the evaporator 40 and the air inlet 321 . The flow guiding device 60 includes a plurality of baffles 61. The baffle 61 includes a first baffle 611 and a second baffle 612, and the first baffle 611 and the second baffle 612 form an obtuse angle. When air flows through the flow guiding device 60, the air will all flow through the evaporator 40 under the guidance of the flow guiding device 60, without from the evaporator 40 and the main passage. The gap 41 formed between 31 flows, thereby effectively improving the utilization rate of the evaporator 40, enhancing the freezing or refrigerating effect of the refrigerator 100. Although the number of the baffles 61 is three in this embodiment, in other embodiments, the number of the baffles 61 may be set according to requirements. In the present embodiment, the flow guiding device 60 is fixedly mounted on the inner wall of the air duct 30, but in other embodiments, the flow guiding device 60 may also be fixedly mounted on the evaporator 40. In the present embodiment, the baffle 61 is composed of the first baffle 611 and the second baffle 612 and the first baffle 611 and the second baffle 612 An obtuse angle is formed between the two, but in other embodiments, the baffle 61 may be integrally formed and have a circular arc shape in cross section, or the baffle 61 may be an integrally formed straight plate shape.

Referring to FIG. 2, the compressor compartment 70 is used to house a compressor (not shown). The compressor compartment 70, the air inlet passage 32, and the second storage compartment 22 are substantially on the same straight line, and the air inlet passage 32 is located between the compressor compartment 70 and the second storage compartment 22.

When the refrigerator 100 of the present invention is used, air located in the storage compartment 20 enters the air inlet passage 32 from the air inlet 321 by the fan 50; then, air is in the flow guiding device 60. Flowing through each of the evaporators 40; then, the air cooled by the evaporator 40 flows into the storage compartment 20 through the outlet passages 33 and the

outlets

331, 332, thereby achieving storage. The items in the storage compartment 20 are frozen or refrigerated.

Compared with the prior art, the refrigerator 100 of the present invention is provided with the flow guiding device 60 so that not only the air flows through the evaporator 40 but also does not form from between the evaporator 40 and the air duct 30. The gap 41 passes, and at the same time, each part of the evaporator 40 has air passing through the generated cold amount, thereby effectively improving the utilization rate of the evaporator 40 and enhancing the freezing or refrigerating effect of the refrigerator 100. .

The above embodiments are only used to illustrate the technical solutions of the present invention, and the present invention is not limited thereto. Although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or substituted. Without departing from the spirit and scope of the technical solutions of the present invention.

Claims

A refrigerator comprising a case, a storage compartment disposed in the case, an air passage disposed in the case and communicating with the storage compartment, and an evaporator and a fan disposed in the air duct, The air duct has an air inlet and an air outlet, and is characterized in that: the air duct is further provided with a flow guiding device, and the flow guiding device is located between the evaporator and the air inlet.
The refrigerator according to claim 1, wherein the flow guiding device has a plurality of baffles, and the baffle comprises a first baffle and a second baffle, the first baffle and An obtuse angle is formed between the second baffles.
A refrigerator according to claim 1, wherein said fan is located between said evaporator and said air outlet.
A refrigerator according to claim 1, wherein said fan is located between said evaporator and said air inlet.
The refrigerator according to claim 1, wherein the air passage has a main passage and an air inlet passage and an air outlet passage respectively located at two sides of the main passage, and the evaporator is installed in the main passage. The air inlet is located at an intersection of the air inlet passage and the inner wall of the storage chamber, and the air outlet is located at an intersection of the air outlet passage and the inner wall of the storage chamber.
The refrigerator according to claim 5, wherein a diameter of the air inlet passage is gradually increased from the air inlet to a boundary between the air inlet passage and the main passage.
A refrigerator according to claim 1, wherein said storage compartment includes a first storage compartment and a second storage compartment communicating with said first storage compartment and located below said first storage compartment, said A storage compartment has a rectangular cross section, and the second storage compartment has a rectangular trapezoidal cross section.
A refrigerator according to claim 7, wherein said air inlet and said air outlet are both located on an inner wall of said second storage compartment.
A refrigerator according to claim 1, wherein said flow guiding means is fixedly mounted on an inner wall of said duct.
A refrigerator according to claim 1, wherein said flow guiding means is fixedly mounted on said evaporator.