KR20110071167A - Refrigerator - Google Patents

Abstract

PURPOSE: A refrigerator is provided to arrange a plurality of refrigerant inlets and outlets in one body to maximize space efficiency. CONSTITUTION: A refrigerator comprises a main body and a cooling cycle. The main body comprises a cold room and a freezer. The cooling cycle supplies the cool air to the cold room and the freezer. The cooling cycle comprises a compressor, a condenser, an expansion member and an evaporator. The cold room and the freezer are independently refrigerated by a cooling cycle for the cold room and a cooling cycle for the freezer. The piping of a condenser(42) for the cold room constituting the cooling cycle for the cold room and the piping of a condenser(41) for the freezer constituting the cooling cycle for freezer are arranged such that they share cooling fins. The condenser for the cold room and the condenser for the freezer form a single condenser unit.

Description

Refrigerator {Refrigerator}

The present invention relates to a refrigerator.

In general, a refrigerator is a home appliance that generally maintains an internal temperature lower than a room temperature so that food can be stored in a refrigerated or frozen state for a long time.

The refrigerator includes a freezer compartment for storing food in a frozen state, and a refrigerating compartment for storing food in a refrigerated state. Inside the refrigerator, a refrigerant circulation system is provided as a means for supplying cold air into the refrigerating compartment or the freezing compartment.

The refrigerant circulation system includes a compressor for compressing a refrigerant, a condenser for cooling and condensing a gaseous refrigerant of a high temperature and high pressure gas discharged from the compressor into an air in a liquid state, and a narrower diameter than that of other parts. And a capillary tube configured to reduce the refrigerant flowing from the condenser, and an evaporator for absorbing heat in the refrigerator as the refrigerant passing through the capillary is evaporated to a low temperature from a low pressure state.

In the related art, a refrigeration cycle including one compressor and one evaporator has been mainly used, but recently, refrigerators each having an evaporator in the freezer compartment and the refrigerating compartment have been equipped.

As such, two condensers are required to implement a refrigeration cycle that requires two evaporators and two compressors. However, since two mounting areas are required to mount the two condensers, there is a need for minimizing the mounting area of the condenser by integrating the two condensers.

An object of the present invention is to provide a refrigerator in which a plurality of condensers are arranged to have an optimum space efficiency in a refrigeration cycle having a plurality of compressors.

A refrigerator according to an embodiment of the present invention for achieving the above object, the body is provided with a refrigerator compartment and a freezer compartment therein; And a refrigeration cycle provided to supply cold air to the refrigerating compartment and the freezing compartment, respectively, comprising a refrigeration cycle including a compressor, a condenser, an expansion member, and an evaporator, wherein the refrigerating compartment and the freezing compartment are independently provided by a refrigerating cycle for a refrigerating compartment and a freezing cycle for a freezing compartment. Cooled, the pipe of the refrigerating chamber condenser constituting the refrigerating cycle for the refrigerating chamber, and the pipe of the freezing compartment condenser constituting the freezing chamber refrigeration cycle is arranged in the form of sharing the cooling fins to form a single condenser unit It is done.

According to another aspect of the present invention, there is provided a refrigerator, which includes a body having a refrigerating compartment and a freezing compartment therein; And a refrigerator provided to supply cold air to each of the refrigerating compartment and the freezing compartment, wherein the refrigerator includes a refrigeration cycle including a compressor, a condenser, an expansion member, and an evaporator, wherein the refrigerating compartment and the freezing compartment are provided in a refrigerating cycle for a refrigerating compartment and a refrigerating cycle for a freezing compartment. By the independent cooling, the piping of the condenser for the refrigerator compartment constituting the refrigeration cycle for the refrigerator compartment, and the piping of the freezer compartment condenser constituting the freezer compartment refrigeration cycle forms a single condenser unit, the freezer compartment condenser and the refrigeration The practical condenser is characterized in that the pipes are arranged so as to form a hexahedral outline, and the pipes of the freezer compartment condenser overlap between the pipes of the refrigerating chamber condenser, so that the condenser unit forms a single hexahedral outline.

According to the refrigerator having the above configuration, a condenser having a plurality of refrigerant inlets and a refrigerant outlet in one body may be designed to support a plurality of compressors, thereby maximizing space efficiency.

In addition, according to the load ratio of the freezer compartment and the refrigerating compartment, there is an advantage that it is possible to appropriately cope with the load difference between the freezer compartment and the refrigerating compartment by distributing the heat transfer area of the plurality of condenser.

Hereinafter, a refrigerator according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. However, the spirit of the present invention is not limited to the proposed embodiment, and other embodiments included within the scope of the inventive concept or other inventions may be easily added by adding, changing, or deleting other components. Can suggest.

1 is an internal perspective view of a refrigerator according to a first embodiment of the present invention, Figure 2 is a perspective view showing a machine room of the refrigerator according to the first embodiment of the present invention.

1 and 2, the refrigerator 1 according to the first embodiment of the present invention includes a main body 10 in which a storage space is formed, and doors 13 and 14 for selectively opening and closing the storage space. Included.

The storage space includes a freezer compartment 11 for freezing food and a refrigerating compartment 12 for freezing food. The doors 13 and 14 include a freezer compartment door 13 for selectively opening and closing the freezer compartment 11 and a refrigerating compartment door 14 for selectively opening and closing the refrigerating compartment 12.

The machine room 20 is formed at the rear lower side of the refrigerator 1. The machine room 20 includes a base plate 21 forming a bottom surface of the machine room 20 and a compressor 31 provided above the base plate 21 to compress the refrigerant into superheated steam of high temperature and high pressure. And a condenser unit 40 for condensing at low temperature by allowing heat to be released from the refrigerant compressed by the compressors 31 and 32.

The compressor 31, 32 includes a freezer compartment compressor 31 and a refrigerator compartment compressor 32, and the condenser unit 40 includes a freezer compartment condenser 41 and a refrigerator compartment condenser 42. Detailed description thereof will be described later.

In addition, in the machine room 20, a blowing fan 26 for dissipating heat generated in the machine room 20 to the outside, and a fan motor 27 for providing a driving force to rotate the blowing fan 26 is provided. It is provided. Ambient air is introduced into the machine room 20 by the blowing fan 26 and the fan motor 27. Accordingly, the compressors 31 and 32 may be cooled by air introduced from the outside, and the refrigerant of the condenser unit 40 is condensed by performing heat exchange with the introduced air.

3 is a schematic view showing a refrigeration system of a refrigerant installed in a refrigerator according to a first embodiment of the present invention, FIG. 4 is a simplified cycle diagram of the refrigeration system of FIG. 3, and FIG. 5 is a first diagram of the present invention. A perspective view of a condenser unit of the refrigerator according to the embodiment.

3 to 5, the refrigerator 1 includes a freezing cycle for a freezer compartment provided for supplying cold air to the freezer compartment 11 and a refrigerator compartment provided for supplying cold air to the refrigerating compartment 12. Each refrigeration cycle is provided. The freezing compartment 11 and the refrigerating compartment 12 are independently cooled by the freezing compartment freezing cycle and the freezing compartment freezing cycle.

In the freezing chamber refrigeration cycle, a freezer compartment compressor 31 for compressing a refrigerant, a freezer compartment condenser 41 into which a refrigerant compressed at high temperature and high pressure by the freezer compartment compressor 31, and the freezer compartment condenser 41 are introduced. The freezer compartment expansion member 51 through which the high temperature and high pressure refrigerant having passed through is cooled to low temperature and low pressure, and the freezer compartment in which the liquid phase and the gaseous phase refrigerant are introduced into the freezer compartment expansion member 51 while being exchanged with the freezer compartment cold. Evaporator 61, a freezer compartment blower fan 71 that sucks and blows cold air that has passed through the freezer compartment evaporator 61, and a freezer compartment gas liquid in which a refrigerant passed through the freezer compartment evaporator 61 is separated into a liquid and a gas. Separator 81 is further included. The gaseous refrigerant from the refrigerant separated in the freezer compartment gas-liquid separator 81 flows into the freezer compartment compressor 31.

A coolant inlet 411 may be formed at one end of the freezer compartment condenser 41 to allow refrigerant to flow into the freezer compartment condenser 41, and at the other end, the coolant may flow out of the freezer compartment condenser 41. Refrigerant outlet 412 is formed.

In addition, the freezing chamber condenser 41 is provided with a cooling fin 100 for improving the heat radiation efficiency of the freezing chamber condenser 41. The cooling fin 100 may be formed in the shape of a bar having a small cross-sectional area and a long length. The cooling fins 100 are coupled to a plurality in a direction crossing the direction in which the freezing chamber condenser 41 pipe extends, and the cooling fins 100 are arranged side by side at a predetermined interval.

On the other hand, in the refrigerating chamber refrigeration cycle, a refrigerating chamber compressor 32 for compressing a refrigerant similar to the refrigerating chamber refrigeration cycle, and a refrigerating chamber condenser 42 into which a refrigerant compressed at high temperature and high pressure by the refrigerating chamber compressor 31 is introduced. And a refrigerating compartment expansion member 52 through which the high temperature and high pressure refrigerant having passed through the refrigerating compartment condenser 42 is cooled to low temperature and low pressure, and a refrigerant having a two-phase state of liquid and gaseous phase while passing through the refrigerating compartment expansion member 52. Is introduced into the refrigerator compartment evaporator 62 to exchange heat with the refrigerator compartment chiller, the refrigerator compartment blower fan 72 that sucks and blows the cold air passed through the refrigerator compartment evaporator 62, and the refrigerant passed through the refrigerator compartment evaporator 62. Refrigerated chamber gas-liquid separator 82 is separated into a liquid and a gas.

A coolant inlet 421 may be formed at one end of the refrigerating compartment condenser 42 to allow a coolant to flow into the refrigerating compartment condenser 42, and at the other end, the coolant may flow out of the refrigerating compartment condenser 42. A refrigerant outlet 422 is formed.

The refrigerating chamber condenser 42 may be combined with the cooling fins 100 provided in the freezing chamber condenser 41. That is, the freezing chamber condenser 41 and the refrigerating chamber condenser 42 may share the cooling fins 100. Accordingly, the freezing compartment condenser 41 and the refrigerating compartment condenser 42 may be located close to each other, forming a single condenser unit 40.

In detail, the freezing chamber condenser 41 and the refrigerating chamber condenser 42 are arranged to form a hexahedron as a whole.

The pipe constituting the freezer compartment condenser 41 may be formed in a shape that extends in a predetermined direction in the virtual hexahedral shape and is bent in the opposite direction, extends in the opposite direction, and is bent in the initial direction again. have.

A predetermined space exists between the pipes of the freezer compartment condenser 41. Pipes of the refrigerating chamber condenser 42 may be inserted into a space between the pipes of the freezing chamber condenser 41.

Accordingly, the freezer compartment condenser 41 and the refrigerating compartment condenser 42 may overlap each other, and the pipe of the freezer compartment condenser 41 and the pipe of the refrigerating compartment condenser 42 may be arranged in close proximity. Can be.

Accordingly, the condenser unit 40 has an advantage in that two condensers of the freezer compartment condenser 41 and the refrigerating compartment condenser 42 may be installed in a space in which one condenser may be installed.

The condenser unit 40 may form a cube shape having substantially the same shape as the cube formed by the freezing chamber condenser 41 or the refrigerating chamber condenser 42. The condenser unit 40 includes a refrigerant inlet 411 and a refrigerant outlet 412 of the freezer compartment condenser 41, and a refrigerant inlet 421 and a refrigerant outlet 422 of the refrigerator compartment condenser 42. It may protrude to the outside of the cube.

On the other hand, in the condenser unit 40, the heat transfer area of the freezer compartment condenser 41 and the refrigerator compartment condenser 42 depends on the ratio of the load of the freezer compartment 11 and the refrigerator compartment 12. Here, the heat transfer area refers to the surface area where heat exchange occurs with the outside air in the freezer compartment condenser 41 and the refrigerating compartment condenser 42.

For example, assuming that the ratio of the loads in the freezer compartment 11 and the refrigerating compartment 12 is 60:40, the ratio of the heat transfer areas of the freezer compartment condenser 41 and the refrigerator compartment condenser 42 is 60:40. Becomes

Hereinafter, the second to fourth embodiments of the present invention will be described. The above embodiments are the same in other parts as the first embodiment, except that the condenser unit 40 differs in the arrangement of the freezing compartment condenser and the refrigerating compartment condenser. Therefore, hereinafter, only characteristic features of the above embodiments will be described, and the same contents as those of the first embodiment will be used herein.

6 is a schematic view showing the arrangement of the freezer compartment condenser and the refrigerating compartment condenser in the condenser unit according to the second embodiment of the present invention.

Referring to FIG. 6, in the condenser unit 40 according to the present embodiment, pipes are arranged such that a condenser having a larger required heat amount among the freezer condenser 41 and the refrigerating compartment condenser 42 forms an external shape. This is because the heat transfer area is larger than the condenser disposed inside, so that the heat exchange can be made larger.

For example, FIG. 6 shows that the freezer compartment condenser 41 is arranged to form an outer shape. The hollow part 41a is provided in the freezer compartment condenser 41 to provide a predetermined space. The refrigerating chamber condenser 42 may be disposed in the hollow part 41a, and the refrigerating chamber condenser 42 shares the cooling fin 100 with the freezing chamber condenser 41. Pipes of the refrigerating chamber condenser 42 may be arranged to form an outer shape corresponding to the hollow portion (41a).

Accordingly, the outer shape of the condenser unit 40 may be formed in the shape of a single circular or polygonal cylinder.

In this embodiment, the freezer compartment condenser 41 is disposed outside, and the refrigerator compartment condenser 42 is arranged to be surrounded by the freezer compartment condenser 42, but the required amount of heat of the refrigerator compartment condenser 42 is If larger, the refrigerator compartment condenser 42 may be disposed outside, and the refrigerator compartment condenser 41 may be disposed inside.

7 is a schematic view showing the arrangement of a condenser for a freezer compartment and a condenser for a refrigerating compartment in a condenser unit according to a third embodiment of the present invention.

Referring to FIG. 7, the freezer compartment condenser 41 and the refrigerator compartment condenser 42 are each formed in the shape of a triangular column. That is, the freezing chamber condenser 41 and the refrigerating chamber condenser 42 each have a triangular front surface and form an external shape having a predetermined size thickness.

In the freezer compartment condenser 41 and the refrigerating compartment condenser 42, the surfaces corresponding to the triangular inclined surface are coupled in a form facing each other. The freezing compartment condenser 41 and the refrigerating compartment condenser 42 share the cooling fins 100 and are combined to form a single hexahedral condenser unit 40 as a whole.

The ratio of the heat transfer area occupied by the freezer compartment condenser 41 and the refrigerating compartment condenser 42 in the condenser unit 40 depends on the ratio of the loads in the freezer compartment 11 and the refrigerating compartment 12.

 8 is a schematic view showing a condenser unit according to a fourth embodiment of the present invention, and FIG. 9 is a view schematically showing a condenser unit according to a fifth embodiment of the present invention.

Referring to FIGS. 8 and 9, the condenser unit 40 includes the freezer compartment condenser 41 and the refrigerating compartment condenser 42 that form an outer shape of the cube and are arranged side by side. The freezer compartment condenser 41 and the refrigerating compartment condenser 42 are arranged side by side in the horizontal or vertical direction.

Accordingly, the condenser unit 40 is formed in a single hexahedral shape as a whole, and the freezing compartment condenser 41 and the refrigerating compartment condenser 42 are arranged side by side while sharing the cooling fin 100. The heat transfer area of the freezer compartment condenser 41 and the refrigerator compartment condenser 42 is determined by the ratio of the loads in the freezer compartment 11 and the refrigerator compartment 12.

According to the proposed embodiment, two condensers are disposed in a space in which one hexahedral condenser may be disposed, thereby maximizing space efficiency.

In addition, there is an advantage that can correspond to the load difference between the freezer compartment and the refrigerating chamber by adjusting the heat transfer area of the condenser for the freezer compartment and the refrigerating compartment.

Hereinafter, a sixth embodiment of the present invention will be described. The above embodiments are the same as in the first embodiment, except that, in the condenser unit 40, the freezing compartment condenser 41 and the refrigerating compartment condenser 42 do not share the cooling fins 100, but overlap with each other. There is a difference in that they are arranged. Therefore, hereinafter, only characteristic features of the above embodiments will be described, and the same contents as those of the first embodiment will be used herein.

10 is a perspective view of a condenser unit according to a sixth embodiment of the present invention.

Referring to FIG. 10, the condenser unit 40 according to the present embodiment includes the freezer compartment condenser 41 and the refrigerating compartment condenser 42. The freezing chamber condenser 41 and the refrigerating chamber condenser 42 are each arranged in a pipe so as to form a hexahedral outline, and the freezing chamber condenser 41 and the refrigerating chamber condenser 42 are overlapped to form the condenser unit 40. ) May form a single hexahedral appearance.

That is, the pipe of the refrigerator compartment condenser 42 may be inserted into a space between the pipes of the freezer compartment condenser 41 to form a condenser unit 40 having an overall hexahedral shape.

The freezer compartment condenser 41 and the refrigerating compartment condenser 42 each have a separate cooling fin 150, the present embodiment does not share the cooling fin 150, the freezer compartment condenser 41 and There is a technical significance that the refrigerating chamber condenser 42 is arranged to overlap.

In FIG. 10, the cooling fin 150 is shown in a thin plate shape, but the shape of the cooling fin 150 is not limited thereto, and may be formed in a bar shape as in the first embodiment.

According to the proposed embodiment, even if the cooling fins 150 are not shared, the condenser 41 for the refrigerator compartment and the condenser 42 for the refrigerating compartment may be overlapped to form the condenser unit to increase space utilization. There is an advantage.

1 is an internal perspective view of a refrigerator according to a first embodiment of the present invention.

2 is a perspective view showing a machine room of a refrigerator according to a first embodiment of the present invention;

3 is a schematic view showing a refrigeration system of a refrigerant installed in a refrigerator according to a first embodiment of the present invention.

4 is a simplified cycle diagram of the refrigeration system of FIG.

5 is a perspective view of a condenser unit of the refrigerator according to the first embodiment of the present invention.

6 is a schematic view showing the arrangement of a condenser for a freezer compartment and a condenser for a refrigerating compartment in a condenser unit according to a second embodiment of the present invention.

7 is a schematic view showing the arrangement of a condenser for a freezer compartment and a condenser for a refrigerating compartment in a condenser unit according to a third embodiment of the present invention.

8 is a schematic view showing a condenser for a freezer compartment and a condenser for a refrigerating compartment arranged side by side in a horizontal direction in a condenser unit according to a fourth embodiment of the present invention.

9 is a schematic view showing the condenser for the freezer compartment and the refrigerating compartment condenser in the condenser unit according to the fourth embodiment of the present invention arranged side by side in the vertical direction.

10 is a perspective view of a condenser unit according to a fifth embodiment of the present invention.

Claims (6)

A body having a refrigerating compartment and a freezing compartment therein; And It is provided to supply cold air to each of the refrigerating compartment and the freezing compartment, and includes a refrigeration cycle including a compressor, a condenser, an expansion member and an evaporator, The refrigerator compartment and the freezer compartment are independently cooled by a refrigerating cycle for a refrigerating compartment and a freezing cycle for a freezing compartment. A pipe of the refrigerating chamber condenser constituting the refrigerating cycle for the refrigerating compartment and a pipe of the freezing compartment condenser constituting the refrigerating cycle for the refrigerating compartment are arranged to share a cooling fin to form a single condenser unit. . The method of claim 1, The condenser for the freezer compartment and the condenser for the refrigerating compartment are each arranged in a pipe to form a cube shape, And a pipe of the condenser for the refrigerating compartment overlaps with a pipe of the condenser for the freezer compartment, so that the condenser unit forms a single hexahedral shape. The method of claim 1, Any one of the freezer compartment condenser and the refrigerating compartment condenser is arranged a pipe to form an outer shape of a cylindrical or polygonal cylinder with a hollow portion formed therein, The other is the pipe is arranged to form the outer shape corresponding to the hollow portion, When the other one is disposed in the hollow portion of the refrigerator characterized in that to form a condenser unit of the cylindrical or polygonal cylindrical shape of a single appearance. The method of claim 1, The freezer compartment condenser and the refrigerating compartment condenser each has a triangular front surface, and has a shape having a predetermined size thickness, Surfaces corresponding to the hypotenuse of the triangle are combined to face each other to form a single hexahedral condenser unit. The method of claim 1, The freezer compartment condenser and the refrigerating chamber condenser to form a cube shape, respectively, the refrigerator characterized in that arranged side by side in the horizontal direction or vertical direction. A body having a refrigerating compartment and a freezing compartment therein; And In the refrigerator provided to supply the cold air to each of the refrigerating compartment and the freezing compartment, the refrigerator comprising a refrigeration cycle including a compressor, a condenser, an expansion member and an evaporator, The refrigerator compartment and the freezer compartment are independently cooled by a refrigerating cycle for a refrigerating compartment and a freezing cycle for a freezer compartment, Piping of the condenser for the refrigerating chamber constituting the refrigerating cycle for the refrigerating compartment, and piping of the freezing compartment condenser constituting the freezing chamber refrigeration cycle forms a single condenser unit, And a pipe of the condenser for the freezer compartment overlaps with a pipe of the condenser for the refrigerator compartment so that the condenser unit forms a single shape.

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