KR20110083912A

KR20110083912A - Refrigerator

Info

Publication number: KR20110083912A
Application number: KR1020100003894A
Authority: KR
Inventors: 김창준
Original assignee: 엘지전자 주식회사
Priority date: 2010-01-15
Filing date: 2010-01-15
Publication date: 2011-07-21

Abstract

PURPOSE: A refrigerator is provided to rapidly cool cold air in a refrigerator compartment by collecting the cold air to a cooling space through multiple cold air collecting paths of the refrigerator compartment. CONSTITUTION: A refrigerator comprises a main body(2), freezer refrigerator ducts(20,30), a refrigerator cold air supply path(40), a refrigerator cold air collecting path, freezer and refrigerator evaporators(6A,6B), a barrier, and freezer and refrigerator tangential fans(8A,8B). The freezer duct divides the inside a freezer compartment into a cooling space and a freezing space. The refrigerator duct divides the inside a refrigerator compartment into a cold air path and a refrigerating space. The refrigerator cold air supply and collecting paths are formed in the main body. The freezer evaporator is arranged in the cooling space. The refrigerator evaporator is installed at the rear of the freezer evaporator. The barrier divides the refrigerating space. The tangential fans are installed in the cooling and refrigerating spaces.

Description

Refrigerator {Refrigerator}

The present invention relates to a refrigerator, and more particularly to a refrigerator having a freezer compartment and a refrigerating compartment.

In general, a refrigerator is a device that cools a storage compartment such as a refrigerating compartment and a freezing compartment by using a refrigeration cycle device including a compressor, a condenser, an expansion mechanism, and an evaporator.

The refrigerator includes a top-mounted refrigerator in which a freezer is located at the upper side of the refrigerator, an evaporator is installed at the rear of the freezer, an upper part of the refrigerator, a bottom mount refrigerator in which the freezer is located at the bottom of the refrigerator, and an evaporator is installed at the rear of the freezer, There are side by side refrigerators in which the refrigerating compartment and the refrigerating compartment are located at the left and right sides and the evaporator is installed at the rear of the freezing compartment.

Among the refrigerators, the bottom mount refrigerator includes a freezing chamber duct inside the freezer compartment, an evaporator behind the freezing chamber duct, and circulates cold air cooled by the evaporator to the front and rear of the freezer duct, and the rotation center is horizontal in the front and rear direction. The fan is installed.

A motor for rotating the axial fan is installed at the rear of the axial fan, and the rotating shaft of the motor is disposed long in the front-rear direction of the refrigerator and connected to the axial fan.

The axial flow fan and the motor are installed to be located above the evaporator, and draw cold air from the upper side of the evaporator, and blow the cold air to the front of the axial flow fan.

In the conventional refrigerator configured as described above, when the axial fan rotates according to the driving of the motor, cold air in front of the freezing chamber duct is sucked to the rear of the freezing chamber duct and passes through the evaporator, and then flows to the rear of the axial fan to the front of the axial fan. It is then blown through the freezing chamber duct to the front of the freezing chamber duct.

In the refrigerator according to the prior art, since the axial flow fan and the motor are positioned before and after the freezing chamber duct should be installed so as not to interfere with the axial flow fan, there is a problem that the storage space of the freezer compartment can be stored, that is, the contents are small. have.

In addition, since the axial fan sucks cold air from the upper side of the evaporator, cold air drawn into the axial fan is concentrated to a portion corresponding to the lower side of the axial fan in the evaporator, so that the entire evaporator does not efficiently cool the cold air.

The present invention has been made to solve the above problems of the prior art, an object of the present invention is to provide a refrigerator that can maximize the freezer compartment.

Another object of the present invention is to provide a refrigerator capable of increasing the content of the refrigerating compartment as much as possible.

The refrigerator according to the present invention for solving the above problems is the refrigerator compartment is located on the upper side of the freezer compartment and the refrigerator compartment and the freezer compartment is divided up and down by partition walls; A freezing compartment duct disposed in the freezing compartment and partitioning the inside of the freezing compartment into a cooling space and a freezing space and passing cold air; A refrigerating chamber duct disposed in the refrigerating chamber and partitioning the inside of the refrigerating chamber into a refrigerating chamber cold passage and a refrigerating space and passing cold air; A refrigerating compartment cold air supply passage formed in the main body such that cold air of the cooling space flows into the refrigerating compartment cold air passage; A refrigerating chamber cold air recovery passage formed in the main body such that the cold air of the refrigerating space flows into the cooling space; A freezer compartment evaporator disposed in the cooling space; A refrigerator compartment evaporator installed at a rear of the freezer compartment evaporator and spaced apart from before and after the freezer compartment evaporator; A barrier for partitioning the cooling space into a freezing compartment cooling space in which the freezing compartment evaporator is located and a refrigerating compartment cooling space in which the refrigerating compartment evaporator is located; A cross flow fan for a freezer compartment installed in the freezer compartment cooling space; And a cross flow fan for a refrigerating compartment installed in the refrigerating compartment cooling space.

The freezing compartment cross flow fan is disposed long in the left and right directions at an upper position of the freezing compartment evaporator, and a freezing compartment motor for rotating the freezing compartment cross flow fan is installed at one side of the left and right sides of the freezing compartment cross flow fan, and the refrigeration chamber is installed. The utility cross flow fan is disposed long in the left and right direction at an upper position of the refrigerating compartment evaporator, and a refrigerating compartment motor is installed at one side of the left and right sides of the refrigerating compartment cross flow fan to rotate the refrigerating compartment cross flow fan.

The freezer compartment evaporator is formed larger than the refrigerator compartment evaporator.

The refrigerating compartment cold air flow passage and the refrigerating compartment cold air supply passage are formed in the barrier.

The refrigerating compartment cold air recovery passage is formed in a larger number than the refrigerating compartment cold air supply passage.

The refrigerating compartment cold air recovery passage is formed at left and right sides of the refrigerating compartment cold air supply passage to be spaced apart from the refrigerating compartment cold air supply passage.

An air guide is arranged in the cooling space to guide the cold air flowing in the refrigerating compartment cold air recovery passage to the lower portion of the refrigerating compartment evaporator.

The air guide has a lower end spaced apart from the main body.

The air guide includes a left air guide disposed on the left side of the refrigerator compartment evaporator, and a right air guide disposed on the right side of the refrigerator compartment evaporator.

A main body in which a refrigerator refrigerating compartment according to the present invention is positioned above the freezing compartment and in which the refrigerating compartment and the freezing compartment are divided up and down by partition walls; A freezing compartment duct disposed in the freezing compartment and partitioning the inside of the freezing compartment into a cooling space and a freezing space and passing cold air; A refrigerating chamber duct disposed in the refrigerating chamber and partitioning the inside of the refrigerating chamber into a refrigerating chamber cold passage and a refrigerating space and passing cold air; A refrigerating compartment cold air supply passage formed in the main body such that cold air of the cooling space flows into the refrigerating compartment cold air passage; A refrigerating compartment cold air recovery passage formed in the main body such that the cold air of the refrigerating compartment flows into the cooling space; An evaporator disposed in the cooling space; A cross flow fan disposed in the cooling space; And a refrigerator compartment damper installed in the refrigerator compartment duct.

The crossflow fan is disposed long in the left and right direction at an upper position of the evaporator, and a motor for rotating the crossflow fan is installed at one side of the left and right sides of the crossflow fan.

The air guide has a lower end spaced apart from the main body.

The air guide includes a left air guide disposed on the left side of the refrigerator compartment evaporator, and a right air guide disposed on the right side of the evaporator.

The refrigerator according to the present invention configured as described above has the advantage that the cross flow fan is installed in the cooling space, which can be made compact, and that the contents of the freezer compartment can be increased.

In addition, the cold air of the refrigerating chamber is recovered to the cooling space through the plurality of refrigerating chamber cold air flow passage, it is possible to quickly recover and cool the cold air and has the advantage of adjusting to the optimal temperature of the refrigerating compartment.

In addition, both the freezer compartment evaporator and the refrigerator compartment evaporator are installed in a cooling space located behind the freezer compartment, thereby maximizing the contents of the refrigerator compartment and efficiently cooling the freezer compartment and the refrigerator compartment efficiently.

In addition, there is an advantage that the barrier and the air guide can protect the refrigerator compartment evaporator while surrounding the refrigerator compartment evaporator.

1 is a side view showing the internal configuration of an embodiment of a refrigerator according to the present invention,
2 is a front view showing the internal configuration of a refrigerator one embodiment according to the present invention;
Figure 3 is a side view showing the internal configuration of another embodiment of a refrigerator according to the present invention,
4 is a front view showing the internal configuration of another embodiment of a refrigerator according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Example 1

1 is a side view showing the internal configuration of a refrigerator according to an embodiment of the present invention, Figure 2 is a front view showing the internal configuration of a refrigerator according to an embodiment of the present invention.

The refrigerator according to the present embodiment includes a main body 2 having a plurality of storage compartments F and R and in which a machine compartment M is formed.

The main body 2 is provided with a compressor 4, a condenser 5, a condensation fan, an expansion mechanism, and the like in the machine room M, and an evaporator (A) inside any one of the plurality of storage rooms (F) (R). 6) and the cold air circulation fan 8 are provided.

The plurality of storage compartments F and R include a first storage compartment F and a second storage compartment R that is controlled at a relatively lower temperature than the first storage compartment F. Hereinafter, the first storage compartment F It is demonstrated that it is a freezing chamber F and the 2nd storage chamber R is a refrigerating chamber R. FIG.

The main body 2 is configured such that the freezing compartment F is positioned below and positioned above the freezing compartment F of the refrigerating compartment R, and the freezing compartment F and the refrigerating compartment R are divided up and down by the partition wall 10. It is formed.

The main body 2 is the freezer compartment F and the refrigerating compartment R are divided up and down by the partition wall 10, and the main body 12 and the freezer compartment F which open and close the freezer compartment F are formed in the lower part. And a freezer compartment door 14 connected to (12), and a refrigerator compartment door 16 connected to the refrigerator compartment R to open and close the refrigerator compartment R.

The main body 12 includes an outer case forming an outer appearance, an inner case forming a freezing compartment F and a refrigerating compartment R, and a heat insulating material filled between the outer case and the inner case.

The freezer compartment door 14 and the refrigerating compartment door 16 are respectively filled with heat insulating material.

The refrigerator according to the present embodiment is disposed in the freezing compartment (F) and partitions the inside of the freezing compartment (F) into a cooling space (F1) and a freezing space (F2), and in the freezing chamber duct 20 through which cold air passes, and in the refrigerating chamber (R). The refrigerator further includes a refrigerating chamber duct 30 in which the inside of the refrigerating chamber R is divided into a refrigerating chamber cold passage R1 and a refrigerating space R2 and through which cold air passes.

The freezing chamber duct 20 is disposed at an inner rear of the freezing chamber F in the vertical direction and has at least one cold air supply hole 22 through which cold air of the cooling space F1 flows out into the freezing space F2.

The freezing chamber duct 20 is preferably formed such that a plurality of the cold air supply holes 22 are spaced apart in the vertical direction or the left and right directions so that cold air is three-dimensionally injected.

The freezing chamber duct 20 may be formed in a size having a gap between the main bodies 2 so that cold air of the freezing space F2 may be recovered to the cooling space F1 through the gap, and the cold air recovery hole 24 may be provided. It is also possible to separately form the cold air in the freezing space (F2) to the cooling space (F2) through the cold air recovery hole (24).

The refrigerating chamber duct 30 is disposed in the rear of the refrigerating chamber R in the vertical direction, and has at least one cold air supply hole 32 through which cold air of the refrigerating chamber cold passage R1 flows out into the refrigerating space R2.

The refrigerating chamber duct 30 is preferably formed such that a plurality of the cold air supply holes 32 are spaced apart in the vertical direction or the left and right directions so that cold air is sprayed in three dimensions.

In the main body 2, a refrigerating chamber cold air supply passage 40 is formed such that the cold air of the cooling space F1 flows into the refrigerating chamber cold passage R1, and the cold room of the refrigerating space R2 flows into the cooling space F1. The cold air recovery passage 50 is formed.

The refrigerating chamber cold air supply passage 40 and the refrigerating chamber cold air recovery passage 50 are passages through which cold air passes, and are formed in the partition wall 10.

The refrigerating chamber cold air supply passage 40 and the refrigerating chamber cold air recovery passage 50 are formed vertically or inclined in the vertical direction on the partition wall 10.

Here, the refrigerating chamber cold air supply passage 40 is preferably formed in the lower portion of the refrigerating chamber duct 30 in the partition wall 10 to communicate with the inside of the refrigerating chamber duct 30 up and down, the refrigerating chamber cold air recovery passage 50 It is preferable that the partition wall 10 is formed to communicate with the inside of the refrigerating space R2 at a position other than the lower portion of the refrigerating chamber duct 30.

When the refrigerating chamber duct 30 is located at the center of the rear left, right, and center of the refrigerating chamber R, the refrigerating chamber cold air supply passage 40 communicates with the position of the rear center of the refrigerating chamber R in the partition wall 10. The refrigerator compartment cold air flow passage 50 is formed at a position in communication with at least one of the left and right sides of the rear left, right, and center of the refrigerating chamber R.

It is preferable that the refrigerating compartment cold air recovery passage 50 is formed more in number than the refrigerating compartment cold air supply passage 40.

If there are a plurality of refrigerating compartment cold air flow passages 50 and a larger number than the refrigerating compartment cold air supply passage 40, the cold air discharged from the refrigerating chamber duct 50 is evenly distributed into the refrigerating space R2, and the refrigerating space R2. The temperature deviation of is minimized.

The refrigerating compartment cold air recovery passage 50 may be formed to be spaced apart from the refrigerating compartment cold air supply passage 40 on each of the left and right sides of the refrigerating compartment cold air supply passage 40.

The refrigerating compartment cold air recovery passage 50 is formed on the left side of the refrigerating compartment cold air supply passage 40 on the left side of the refrigerating compartment cold air supply passage 40 and the refrigerating compartment cold air supply passage 40 on the right side of the refrigerating compartment cold air supply passage 40. The right refrigerating compartment cold air recovery passage 54 formed to be spaced apart from the supply passage 40 may be included.

When the left and right refrigerating compartment cold air recovery passages 52 and 54 are formed to be spaced apart from each other, the cold air supply hole of the refrigerating chamber duct 30 passes through the refrigerating compartment cold air supply passage 40 and the refrigerating compartment cold air passage R1 in order. The cold air passing through the 32 is distributed in the left and right directions and passes evenly through the inside of the refrigerating space R2.

The evaporator 6 includes a freezer compartment evaporator 6A disposed in the cooling space F1; A freezer compartment evaporator 6B is installed at a rear of the freezer compartment evaporator 6A and spaced apart before and after the freezer compartment evaporator 6A.

The freezer compartment evaporator 6A and the refrigerator compartment evaporator 6B are evaporated while the refrigerant exchanges with the cold, and are connected to the expansion mechanism, the compressor 4, and the refrigerant pipe.

In the freezer compartment evaporator 6A and the refrigerator compartment evaporator 6B, a refrigerant pipe is connected in series between the expansion mechanism and the compressor 4, and the refrigerant expanded in the expansion mechanism passes through either one first, and then passes through the other. It is possible to flow to the compressor 4.

In the freezer compartment evaporator 6A and the refrigerator compartment evaporator 6B, a plurality of refrigerant pipes are connected in parallel between the condenser 5 and the compressor 4, and any one of the plurality of refrigerant pipes is directed to the freezer compartment evaporator 6A. It is possible to be connected to the expansion mechanism for the freezer compartment for expansion and the freezer compartment evaporator (6A), and the other one of the plurality of refrigerant pipes can be connected to the refrigerator compartment expansion mechanism and the refrigerator compartment evaporator (6B) for expanding the refrigerant directed to the refrigerator compartment evaporator (6B). Do.

The freezer compartment evaporator 6A preferably has a larger heat transfer amount of the refrigerant and cold air than the refrigerator compartment evaporator 6B, and the freezer compartment evaporator 6A is formed to have a larger size than the refrigerator compartment evaporator 6B.

The freezer compartment evaporator 6A and the freezer compartment evaporator 6B preferably comprise a fin and tube heat exchanger comprising a refrigerant tube through which the refrigerant passes and a fin, which is a heat transfer member installed in the refrigerant tube, in which case the refrigerant in the freezer compartment evaporator 6A. The length of the tube is longer than the length of the refrigerant tube of the refrigerator compartment evaporator 6B, and the fin size of the freezer compartment evaporator 6A is formed larger than the fin size of the refrigerator compartment evaporator 6B.

In the cooling space F1, the barrier 60 partitioning the cooling space F1 into a freezer compartment cooling space F3 in which the freezer compartment evaporator 6A is located and a refrigerator compartment cooling space F4 in which the refrigerator compartment evaporator 6B is located. Is placed.

That is, in the cooling space F1, the freezing chamber cooling space F3 through which the cold air of the freezing space F2 passes while the cooling space F3 circulates, and the refrigerating chamber cooling space F4 through which the cold air of the refrigerating space F2 passes. Barrier 60 is partitioned by the arrangement, and between the freezing chamber duct 20 and the barrier 60, a freezer compartment evaporator 6A for cooling the cold air of the freezing space F2 is arranged, the barrier 60 and the main body ( Between 2), the refrigerator compartment evaporator 6B which cools the cold air of the refrigerator space R2 is arrange | positioned.

The cold air circulation fan 8 includes a freezer compartment cross flow fan (not shown) installed in the freezer compartment cooling space F3 and a cross section fan 9 for the refrigerating compartment installed in the refrigerating compartment cooling space F4.

The cross flow fan for the freezer compartment is installed to be positioned between the cold air supply hole 22 of the freezer compartment duct 20 and the freezer compartment evaporator 6A so that the cool air passes through the freezer compartment evaporator 6A by suction. It is located horizontally.

The freezing chamber crossflow fan 8A is preferably installed at an upper side of the freezing chamber evaporator 6A to be spaced apart from the freezing chamber evaporator 6A, and is provided long in parallel with the left and right length directions of the freezing chamber evaporator 6A.

The refrigerating chamber transverse flow fan 9 is installed to be positioned between the refrigerating chamber cold air supply passage 40 and the refrigerating chamber evaporator 8B so that the cool air passes through the refrigerating chamber evaporator 6B by suction, and the rotational central axis is horizontally horizontally long horizontally. Is located.

The refrigerating chamber transverse flow fan 8B is preferably installed on the upper side of the refrigerating chamber evaporator 6B so as to be spaced apart from the refrigerating chamber evaporator 6B, and is provided long in parallel with the left and right longitudinal directions of the refrigerating chamber evaporator 6B.

The freezing chamber cross flow fan 8A and the refrigerating chamber cross flow fan 8B are preferably spaced apart before and after the barrier 60 therebetween.

The freezer compartment crossflow fan 8A has a length of at least 70% to 90% of the left and right direction length of the freezer compartment evaporator 6A, and the refrigerating compartment crossflow fan 8B has at least 70% of the left and right direction length of the refrigerator compartment evaporator 6B. It has a length of -90% or more.

In the upper part of the freezer compartment cooling space F3, a freezer motor for rotating the freezer compartment crossflow fan 8A is installed on one side of the left and right sides of the freezer compartment crossflow fan 8A, and the freezer compartment motor is a freezer compartment crossflow fan. The rotating shaft connected to 8A is provided to be positioned horizontally in the horizontal direction.

In the upper part of the refrigerating compartment cooling space F4, a refrigerating compartment motor 9 for rotating the refrigerating compartment cross flow fan 8B is installed on one side of the left and right sides of the freezer compartment cross flow fan 8B, and the refrigerating compartment motor 9 ) Is installed so that the rotating shaft connected to the refrigerating chamber transverse fan 8B is horizontally positioned in the left and right directions.

The freezing chamber cross flow fan 8A and the refrigerating chamber cross flow fan 8B are independently controlled according to the loads of the freezing chamber F and the refrigerating chamber R, and the freezing chamber F2 has a temperature higher than or equal to the freezing set temperature. The cross flow fan 8A is driven, and when the temperature of the refrigerating space R2 is equal to or higher than the refrigeration set temperature, the cross flow fan 8B for the refrigerating chamber is driven.

On the other hand, in the cooling space F1, the air guide 70, 72 which guides the cold air which flowed in the refrigerating compartment cold air flow path 50 to flow to the lower part of the refrigerating compartment evaporator 8B is arrange | positioned.

The air guides 70 and 72 do not flow into the refrigerator compartment evaporator 8B next to the refrigerator compartment evaporator 8B without the refrigerant flowing through the refrigerator compartment cold air recovery passage 50 to the refrigerator compartment cooling space F4, and thus the refrigerator compartment evaporator. The left and right sides of (8B) are turned to flow to the lower side of the refrigerating chamber evaporator (8B), and the lower end thereof is spaced apart from the main body (2).

The air guides 70 and 72 are in contact with the upper end of the refrigerating compartment cooling space F4, and the lower end thereof is spaced apart from the lower end of the refrigerating compartment cooling space F4, and a plurality of 'U' shapes are formed in the refrigerating chamber cooling space F4. To form a flow path.

The air guides 70 and 72 include a left air guide 70 disposed on the left side of the refrigerator compartment evaporator 6B, and a right air guide 72 disposed on the right side of the refrigerator compartment evaporator 6B.

The left air guide 70 and the right air guide 72 are disposed to be spaced apart from the left and right sides with the refrigerator compartment evaporator 6B interposed therebetween, and the spaced apart intervals are between the left refrigerator compartment cold air recovery channel 52 and the right refrigerator compartment cold air recovery channel ( Less than or equal to 54)

The left side surface of the left air guide 70 and the refrigerating compartment cooling space F4 forms a left flow passage for guiding the cold air passing through the left refrigerating compartment cold air recovery passage 52 downward, and the right air guide 72 and the freezing compartment cooling space. The right side of F4 forms a right flow passage for guiding the cold air passing through the right refrigerating chamber cold air recovery passage 54 downward, and the left air guide 70 and the right air guide 72 pass through the left flow passage and the right flow passage. After that, a central flow path for guiding the mixed cold air to the upper side of the refrigerating chamber evaporator 6B is formed.

That is, the left U-shaped flow path and the right U-shaped flow path are formed in the refrigerating chamber cooling space F4, and the left U-shaped flow path and the right U-shaped flow path are formed to meet at the center.

On the other hand, the refrigerator compartment evaporator 6B cools cold air in the state surrounded by the back surface of the barrier 60, the left air guide 70, the back surface of the refrigerating chamber cooling space F4, and the right air guide 72.

Referring to the operation of the present invention configured as described above are as follows.

First, when the load of the freezer compartment is large, that is, when the temperature of the freezer compartment F2 is equal to or higher than the freezing set temperature, the freezer compartment expansion mechanism is also adjusted, and the freezer compartment side flow fan 8A is rotated.

When the freezing chamber crossflow fan 8A rotates, the cold air of the freezing space F2 is drawn into the freezing chamber cooling space F3 and flows to the lower part of the freezing chamber evaporator 6A, and the rear surface of the freezing chamber duct 20 and the barrier 60 While passing between the front surfaces of the), it is sucked into the freezer compartment evaporator 6A and cooled. The cold air cooled by the freezer compartment evaporator 6A is sequentially passed through the freezer compartment side flow fan 8A and the cold air supply hole 22 of the freezer compartment duct 20 to be supplied to the freezer space F2.

At this time, the cold air of the freezing space (F2) is blocked by the barrier (60) when passing through the freezer compartment cooling space (F3) does not flow to the refrigerating compartment cooling space (F4), the cold air of the freezing space (F2) freezer compartment cooling space (F3) ) And the freezing space (F2) is quickly cooled while circulating only the freezing space (F2).

On the other hand, when the load of the refrigerating compartment is large, that is, when the temperature of the refrigerating space R2 is equal to or higher than the refrigerating set temperature, the refrigerating compartment expansion mechanism is also adjusted, and the refrigerating compartment side flow fan 8B is rotated.

When the refrigerating chamber transverse flow fan 8B rotates, the cold air in the refrigerating space R2 is sucked into the refrigerating chamber cooling space F4 through the left and right refrigerating chamber cold air recovery passages 52 and 54, and the left and right air guides 70, 72 flows to the lower portion of the refrigerator compartment evaporator 6B, while passing between the rear surface of the refrigerator compartment cooling space F4 and the rear surface of the barrier 60 and the left and right air guides 70 and 72. It is sucked by the refrigerator compartment evaporator 6B and cooled. The cold air cooled by the refrigerating compartment evaporator 6B flows through the refrigerating compartment side flow fan 8B and the refrigerating compartment cold air supply passage 40 in order to flow into the refrigerating compartment cold passage R1, and then the cold air supply hole of the refrigerating chamber duct 30. Passed through (32) is supplied to the refrigerated space (R2).

At this time, the cold air of the refrigerating space (F2) is blocked by the barrier (60) when passing through the refrigerating room cooling space (F4) does not flow to the freezer compartment cooling space (F3), the cold air of the refrigerating space (R2) of the refrigerating room cold recovery flow path ( 50) and the refrigerating compartment cooling space (F4), the refrigerating chamber cold air supply passage 40, the refrigerating chamber cold passage (R1) and the refrigerating space (R2) while circulating only the cooling space (R2) quickly.

Example 2

3 is a side view showing the internal configuration of another embodiment of the refrigerator according to the present invention, Figure 4 is a front view showing the internal configuration of another embodiment of the refrigerator according to the present invention.

In the refrigerator according to the present embodiment, the cooling space F1 serves as a circulation passage of the cold air of the freezing space F2 and the circulation passage of the cold air of the refrigeration space R2, and the cold space and the cold storage of the freezing space F2 in the cooling space F1. An evaporator 6 'is installed in which the cold air of the space R2 is cooled. The cold air of the freezing space F2 is circulated to the cooling space F1 and the freezing space F2. The cross flow fan 8 'which circulates into the cooling space F1 and the refrigerating space R2 is installed, and the cold air of the freezing space F2 and the refrigerating space R2 is mixed in the cooling space F1.

The crossflow fan 8 'is disposed long in the left and right direction as in the embodiment of the present invention, and has a length of 70% to 90% of the left and right length of the evaporator 6'.

In the upper part of the cooling space F1, the cold air circulation motor 9 which rotates the cross flow fan 8 'is installed so that it may be located to one side of the left and right sides of the cross flow fan 8', and is installed in the cross flow fan 8 '. The rotating shaft to be connected is installed to be positioned horizontally in the horizontal direction.

The left and right air guides 70 and 72 are disposed between the freezing chamber duct 20 and the rear surface of the cooling space F2, and the evaporator 6 'and the cross flow fan 8' are provided with the left and right air guides 70. ) 72 is provided between the rear surface of the freezing chamber duct 20 and the cooling space F2, and between the left air guide 70 and the right air guide 72.

Cooling space (F1) is a cooling channel for the refrigerating space (ie, refrigeration) where the left U-shaped flow path and the right U-shaped flow path meet between the left air guide 70 and the right air guide 72 as in the embodiment of the present invention. A flow path through which cold air sucked in the space R2 passes, and a freezing space is formed between the rear surface of the left air guide 70, the right air guide 72, and the freezing chamber duct 20, and the rear surface of the cooling space F2. A cooling path for cooling (that is, a passage through which cold air sucked in the freezing space F2 passes) is formed.

The refrigerator according to the present embodiment includes a refrigerator compartment damper 90 installed in the refrigerator compartment duct 30, and includes a cooling space F1, an evaporator 6 ', a cross flow fan 8', and a cold air circulation motor 9 '. Other than the refrigerator compartment damper 90 and the configuration and operation is the same or similar to one embodiment of the present invention, the same reference numerals are used and detailed description thereof will be omitted.

When the load of the freezer compartment of the refrigerator according to the present embodiment is large, the cross flow fan 8 'is rotated, when the load of the freezer compartment is small, the cross flow fan 8' is stopped, and when the load of the refrigerating compartment is large, the refrigerator compartment damper ( 90 is opened in the open mode, the refrigerator compartment damper 90 is closed in a sealed mode when the load of the refrigerating compartment is small.

When the cross flow fan 8 'is rotated and the refrigerating chamber damper 90 is in the closed mode, the cool air in the freezing space F2 is drawn into the lower portion of the cooling space F1, and the left and right air guides 70 and 72 are rotated. Heat exchange with the evaporator 6 'while passing through. At this time, since the cross flow fan 8 'sucks cold air in a state in which the transverse fan 8' is disposed long left and right at the upper position of the evaporator 6 ', the cold air exchanges heat with the entire left, middle, and right regions of the evaporator 6', The region where cold air does not contact in the evaporator 6 'is minimized.

The cold air heat-exchanged with the evaporator 6 'passes through the cold air supply hole 22 of the cross flow fan 8' and the freezing chamber duct in order and is supplied to the freezing space F2, and the suction of the cross flow fan 8 'is carried out. Since the region is long left and right, the region is not dispersed to the specific region in the freezing space F2 but is widely distributed in the left and right directions.

On the other hand, when the cross flow fan 8 'is rotated and the refrigerating chamber damper 90 is in the open mode, the cold air in the refrigerating space R2 is cooled through the left and right refrigerating chamber cold air recovery passages 52 and 54 to provide a cooling space F1. ) And flows through the left side of the left air guide 70 and the right side of the right air guide 72 to the lower part of the evaporator 6 ', whereby the suction space is drawn from the freezing space F2 to the cooling space F1. Mixed with air and cooled together in an evaporator 6 '.

The cold air heat-exchanged with the evaporator 6 'is partially passed through the cross flow fan 8' and the cold air supply hole 22 of the freezing chamber duct 20 to be supplied to the freezing space F2, and the rest of the cold air is supplied to the cold room cooling air supply passage. 40 passes through the refrigerating chamber damper 90 and the refrigerating chamber cold air passage R1 in order.

The cold air of the refrigerating compartment cold air passage R1 is supplied to the refrigerating space R2 through the cold air supply hole 32 of the refrigerating chamber duct 30, and the suction region of the cross flow fan 8 'is formed long left and right. Since the left and right refrigerating chamber cold air recovery passages 52 and 54 are spaced apart from the left and right sides in the main body 2, the left and right refrigerating chambers 52 and 54 are widely distributed in the refrigerating space R2 in the left and right directions without being directed to a specific region.

2: body 4: compressor
6: evaporator 6A: freezer evaporator
6B: refrigerator compartment evaporator 8: cold air circulation fan
8A: Cross flow fan for freezer 8B: Cross flow fan for cold storage
10: partition wall 20: freezer duct
22: cold air supply hole 30: cold storage duct
32: cold air supply hole 40: cold room supply air flow path
50: cold storage channel 60: barrier
70: left air guide 72: right air guide

Claims

A main body in which a refrigerating compartment is positioned above the freezing compartment and in which the refrigerating compartment and the freezing compartment are divided up and down by partition walls;
A freezing compartment duct disposed in the freezing compartment and partitioning the inside of the freezing compartment into a cooling space and a freezing space and passing cold air;
A refrigerating chamber duct disposed in the refrigerating chamber and partitioning the inside of the refrigerating chamber into a refrigerating chamber cold passage and a refrigerating space and passing cold air;
A refrigerating compartment cold air supply passage formed in the main body such that cold air of the cooling space flows into the refrigerating compartment cold air passage;
A refrigerating chamber cold air recovery passage formed in the main body such that the cold air of the refrigerating space flows into the cooling space;
A freezer compartment evaporator disposed in the cooling space;
A refrigerator compartment evaporator installed at a rear of the freezer compartment evaporator and spaced apart from before and after the freezer compartment evaporator;
A barrier for partitioning the cooling space into a freezing compartment cooling space in which the freezing compartment evaporator is located and a refrigerating compartment cooling space in which the refrigerating compartment evaporator is located;
A cross flow fan for a freezer compartment installed in the freezer compartment cooling space;
A refrigerator comprising a cross flow fan for a refrigerating compartment installed in the refrigerating compartment cooling space.

The method of claim 1,
The freezing chamber horizontal flow fan is disposed long in the left and right directions at an upper position of the freezing chamber evaporator,
One side of the left and right sides of the freezer compartment cross flow fan is provided with a freezer compartment motor for rotating the freezer compartment cross flow fan,
The refrigerating chamber transverse flow fan is disposed long in the left and right direction at an upper position of the refrigerating chamber evaporator,
A refrigerator having a refrigerating compartment motor installed at one side of the left and right sides of the refrigerating compartment cross flow fan to rotate the refrigerating compartment cross flow fan.

The method of claim 1,
The freezer compartment evaporator is formed larger than the refrigerator compartment evaporator.

The method of claim 1,
A refrigerator formed in the barrier in the refrigerating compartment cold air recovery passage and the refrigerating compartment cold air supply passage.

The method of claim 1,
The refrigerator cold storage channel has a greater number of refrigerator compartment cold air supply passage.

The method of claim 5, wherein
The refrigerator compartment cold air recovery passage is formed on the left and right sides of the refrigerating compartment cold air supply passage to be spaced apart from the refrigerating compartment cold air supply passage.

The method according to claim 6,
A refrigerator having an air guide disposed in the cooling space for guiding the cold air flowing in the refrigerating compartment cold air recovery passage to the lower portion of the refrigerating compartment evaporator.

The method of claim 7, wherein
The air guide has a lower end spaced apart from the main body.

The method of claim 8,
The air guide includes a left air guide disposed on the left side of the refrigerator compartment evaporator, and a right air guide disposed on the right side of the refrigerator compartment evaporator.

A main body of which a refrigerating compartment is positioned above the freezing compartment and in which the refrigerating compartment and the freezing compartment are divided up and down by partition walls;
A freezing compartment duct disposed in the freezing compartment and partitioning the inside of the freezing compartment into a cooling space and a freezing space and passing cold air;
A refrigerating chamber duct disposed in the refrigerating chamber and partitioning the inside of the refrigerating chamber into a refrigerating chamber cold passage and a refrigerating space and passing cold air;
A refrigerating compartment cold air supply passage formed in the main body such that cold air of the cooling space flows into the refrigerating compartment cold air passage;
A refrigerating compartment cold air recovery passage formed in the main body such that the cold air of the refrigerating compartment flows into the cooling space;
An evaporator disposed in the cooling space;
A cross flow fan disposed in the cooling space;
A refrigerator comprising a refrigerator compartment damper installed in the refrigerator compartment duct.

The method of claim 10,
The cross flow fan is disposed long in the left and right directions at an upper position of the evaporator,
A refrigerator provided with a motor for rotating the cross flow fan at one side of the left and right sides of the cross flow fan.

The method of claim 10,
A refrigerator formed in the barrier in the refrigerating compartment cold air recovery passage and the refrigerating compartment cold air supply passage.

The method of claim 10,
The refrigerator cold storage channel has a greater number of refrigerator compartment cold air supply passage.

The method of claim 13,
The refrigerator compartment cold air recovery passage is formed on the left and right sides of the refrigerating compartment cold air supply passage to be spaced apart from the refrigerating compartment cold air supply passage.

The method of claim 14,
A refrigerator having an air guide disposed in the cooling space for guiding the cold air flowing in the refrigerating compartment cold air recovery passage to the lower portion of the refrigerating compartment evaporator.

The method of claim 15,
The air guide has a lower end spaced apart from the main body.

17. The method of claim 16,
The air guide includes a left air guide disposed on the left side of the refrigerator compartment evaporator, and a right air guide disposed on the right side of the evaporator.