KR20110032609A - Refrigerator - Google Patents

Abstract

PURPOSE: A refrigerator is provided to maximize heat transfer efficiency and to minimize power consumption. CONSTITUTION: A refrigerator comprises a body, a freezing cycle unit(10), a coolant cooling unit(30), a coolant supply path(40), a rapid cooling body(50), a coolant collecting path(60) and a circulating pump(70). The body comprises a storage room. The freezing cycle unit cools the storage room. The coolant cooling unit comprises a coolant flow path and cools coolant(W). The coolant supply path guides the coolant, which has been cooled by the coolant cooling unit. The rapid cooling body comprises a drink holder and a plurality of spray holes. The coolant, which has been guided to the coolant supply path through the spray hole, is sprayed to the outer surface of a drink container. The coolant collecting path guides the coolant, which has been discharged from the rapid cooling body, to the coolant cooling unit.

Description

Refrigerator {Refrigerator}

The present invention relates to a refrigerator, and more particularly to a refrigerator having a rapid cooling body for rapidly cooling a beverage.

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.

Recently, a rapid cooling chamber in which a to-be-cooled object is placed is formed separately in one side of a freezing compartment or a refrigerating compartment, and a part of cold air of a freezing compartment or a refrigerating compartment is concentrated in a quick cooling chamber, and the cooled object in a quick cooling chamber is rapidly cooled.

However, in the refrigerator according to the prior art, since a part of the cold air in the freezer compartment or the refrigerating compartment flows into the rapid cooling chamber, the rapid cooling time takes a considerable time and is cooled in a state where the cooled object is fixed, so that there is no flow of the cooled object itself and rapid. There is a problem that the cooling is delayed.

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 cools the coolant in a refrigeration cycle device to directly spray the container outer surface of the beverage.

Another object of the present invention is to provide a refrigerator capable of promoting heat transfer of a beverage cooled by a coolant.

A refrigerator according to the present invention for solving the above problems, the main body having a storage compartment; A refrigeration cycle device for cooling the storage compartment; A coolant cooler configured to form a coolant flow path through which coolant passes, and cool the heat exchanged with the refrigerant of the refrigeration cycle apparatus; A coolant supply flow path through which the coolant cooled by the coolant cooler is guided; A quick cooling body having a beverage receiving portion for receiving a beverage and having a plurality of injection holes for injecting the supplied coolant guided into the coolant supply passage to an outer surface of the container of the beverage; A coolant recovery flow path guiding the coolant flowing out of the rapid cooling body to the coolant cooler; And a circulation pump installed in at least one of the coolant supply flow path and the coolant recovery flow path to circulate the coolant.

The rapid cooling body includes an inner cylinder having a plurality of injection holes formed therein and an inner cylinder forming an inner portion of the beverage container, and an inner cylinder surrounding the inner cylinder and having a coolant passing therebetween. .

The rapid cooling body further includes an upper plate blocking the upper end between the inner cylinder and the outer cylinder, and a lower plate blocking the lower end of the outer cylinder.

The coolant supply flow passage is connected to the upper plate body.

The coolant recovery flow passage is connected to a lower portion of the beverage receiving portion of the lower plate.

The coolant supply passage includes a common passage connected to the coolant cooler and a plurality of branch passages connected to the common passage and connected to the rapid cooling body.

The apparatus further includes an exciter installed in the rapid cooling body to excite the rapid cooling body.

It further includes a plurality of supports installed on the lower portion of the rapid cooling body for supporting the rapid cooling body.

One example of the coolant cooler is a heat exchanger installed in contact with the evaporator surface of the refrigeration cycle apparatus.

Another example of the coolant cooler is a heat exchanger installed in parallel with the evaporator of the refrigerating cycle apparatus and in which the coolant flow path and the coolant flow path through which the coolant passes.

Another example of the coolant cooler is a heat exchanger installed in series with the evaporator of the refrigerating cycle apparatus and in which the coolant flow path and the coolant flow path through which the coolant passes.

The refrigerator according to the present invention configured as described above has the advantage of being able to cool the beverage quickly, rather than cooling the beverage by the cold air of the storage compartment because the coolant is directly sprayed on the outer surface of the container of the beverage.

In addition, the coolant is injected into the impact jet to the outer surface of the beverage container has the advantage that the heat transfer efficiency can be maximized.

In addition, when the blower fan is installed to forcibly blow cold air in the storage compartment, the noise is less, and there is an advantage of minimizing power consumption.

In addition, since the coolant and the liquid inside the beverage are simultaneously present, there is an advantage that heat transfer of the liquid inside the beverage is more facilitated.

In addition, the coolant is sprayed three-dimensionally around the circumference of the beverage has the advantage that it is possible to cool the entire beverage quickly and evenly.

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

1 is a perspective view of one embodiment of a refrigerator according to the present invention, Figure 2 is a schematic configuration diagram showing a refrigerant flow and a coolant flow of an embodiment of the refrigerator according to the present invention, Figure 3 is a refrigerator according to one embodiment of the present invention 4 is an enlarged longitudinal sectional view of the rapid cooling body shown in FIGS. 1 to 3, and FIG. 5 is an enlarged plan sectional view of the rapid cooling body shown in FIGS. 1 to 3.

1 to 5, the refrigerator according to the present embodiment includes: a main body 2 having storage rooms F and R; A refrigeration cycle device (10) for cooling the storage compartments (F) (R); The coolant W includes a rapid cooler 20 that is cooled by the refrigeration cycle apparatus 10 and then directly injected to the outer surface of the object to be cooled to rapidly cool the object to be cooled. Hereinafter, the object to be cooled is described as a beverage, and the rapid cooler 20 is described as directly spraying the coolant to the outer surface of the container of the beverage (C).

The main body 2 has an outer case 3, an inner case 4 disposed inside the outer case 3, and forms a storage compartment F and a door, and a door that opens and closes the storage compartment F and R. 5) (6).

In the main body 2, a heat insulating member such as foamed plastic is disposed between the outer case 3 and the inner case 4, and a heat insulating member such as foamed plastic is disposed inside the doors 5 and 6.

As shown in FIG. 2, the refrigeration cycle apparatus 10 includes a compressor 11 for compressing a refrigerant, a condenser 12 for condensing the refrigerant L compressed in the compressor 11, and a condenser 12. An expander 13 in which the condensed refrigerant L is expanded, and an evaporator 14 in which the refrigerant L expanded in the expander 13 is evaporated and cool the storage compartment F are included.

The compressor 11 compresses the gas refrigerant L having a low temperature and low pressure into a gas refrigerant having a high temperature and high pressure, and is installed in the machine room formed in the main body 2 so as to be partitioned from the storage chamber F.

The condenser 12 is connected to the compressor 11 and the condenser inlet pipe 15, connected to the expander 13 and the condenser outlet pipe 16, and introduced from the compressor 11 through the condenser inlet pipe 15. The refrigerant L is condensed while passing through the condenser 12, and then flows out to the condenser outlet pipe 16.

The condenser 12 is installed at the rear of the main body 2 to be exposed to the outside or is installed in the machine room M formed in the main body 2, and when the condenser 12 is installed in the machine room M, the main body 2 is provided. The condensation fan 12 'which blows the outside air of the main body 2 to the condenser 12 is installed.

The expander 13 is composed of a capillary tube or an electronic expansion valve, and expands the condensed refrigerant L flowing out through the condenser outlet pipe 16.

The evaporator 14 is connected to the expander 13 and the evaporator inlet pipe 18, connected to the compressor 11 and the evaporator outlet pipe 19, and introduced from the expander 13 through the evaporator inlet pipe 18. The refrigerant L is expanded while passing through the evaporator 14, and then flows out to the evaporator outlet pipe 19 and then flows to the compressor 11.

The evaporator 14 may be configured to be a direct-cooling evaporator which is disposed in contact with the outer wall of the storage compartments F and R to directly cool the storage compartments F and R, and the air in the storage compartment F and R is stored therein. (F) (R) and the evaporator 14 may be configured as an intercooled evaporator that circulates and cools the storage chamber (F) (R) while being circulated to the evaporator 14, and in the case of the intercooled evaporator, the body 2 stores air ( The circulation fan 14 'which circulates to F) (R) and the evaporator 14 is provided.

The evaporator 14 is composed of a fin-tube heat exchanger including a refrigerant pipe through which the refrigerant L passes, and heat transfer fins installed in the refrigerant pipe.

The rapid cooler 20 supplies a coolant cooler 30 that cools the coolant W by the refrigeration cycle device 10, and a coolant supply to which the coolant W cooled by the coolant cooler 30 is guided. A flow path 40; The coolant (50) for injecting the coolant (W) guided into the coolant supply passage (40) to the outer surface of the beverage (C), and the coolant flowing out of the quick cooling body (50) are cooled by a coolant cooler ( 30 includes a coolant recovery flow path 60 for guiding to 30) and a circulation pump 70 installed in at least one of the coolant supply flow path 40 and the coolant recovery flow path 50 to circulate the coolant W. do.

Coolant (W, Coolant) is a kind of heat transfer fluid that recovers the heat of the beverage and delivers it to the refrigerant, and remains in the outer surface of the beverage container so that the user can drink it, and is made of salt water or alcohol water, which is harmless to the human body.

The coolant cooler 30 allows the coolant W to be cooled by heat exchange with the refrigerant of the refrigerating cycle apparatus 10, and a coolant flow path through which the coolant W is cooled is formed.

The coolant cooler 30 is composed of a heat exchanger installed in contact with the surface of the evaporator 14 of the refrigerating cycle device 10, and the heat of the coolant W is generated by the surface of the coolant cooler 30 and the evaporator 14. Transferred to the surface and cooled.

The coolant cooler 30 may be configured to be configured to be in contact with the heat transfer fin of the evaporator 14 and to form a coolant pipe through which the coolant W flows. The coolant pipe through which the coolant W flows and the coolant It is also possible to include a heat transfer fin installed in the pipe and in contact with the heat transfer fin of the evaporator (14).

The coolant cooler 30 is formed of a coolant pipe through which coolant flows, and a coolant pipe through which a coolant pipe passes through a coolant pipe through hole and a coolant pipe through which a coolant pipe of the evaporator 14 passes through a heating fin of the evaporator 14. Through-holes are formed together, and the heat-transfer fins and the coolant pipes pass through the heat-transfer fins together.

 The coolant supply flow passage 40 includes a common flow passage 42 connected to the coolant cooler 30 and a plurality of branch flow passages 44 and 46 connected to the common flow passage 42 and connected to the rapid cooling body.

The plurality of branch flow passages 44 and 46 are the coolants distributing and supplying the refrigerant to a plurality of points of the rapid cooling body 50, one end of which is connected to the common flow passage 42, and the other end of the branch flow passages 44 and 46 is connected to the rapid cooling body 50. Is connected to.

The coolant supply passage 40 consists of a tube or hose connecting the outlet of the coolant cooler 30 and the inlet of the rapid cooling body 50.

The rapid cooling body 50 has a beverage accommodating portion 51 in which the beverage C is accommodated, and the supplied coolant W guided to the coolant supply passage 40 to the outer surface of the container C of the beverage C. It has a plurality of injection holes 52 for injection.

The rapid cooling body 50 may be installed in the storage chambers F and R, and may be installed in the doors 10 and 12.

The rapid cooling body 50 has a plurality of injection holes 52 formed therein and the inner cylinder 53, the interior of which forms the beverage container 51, and the inner cylinder 53 surrounding the inner cylinder 53 between the inner cylinder 53; The outer cylinder 55 in which the inner flow path 54 through which the coolant W passes is formed is included.

The inner cylinder 53 is formed in the shape of a hollow cylindrical body whose upper and lower surfaces are open, and the inside thereof forms a beverage accommodating portion 51.

The inner cylinder 53 is formed with a plurality of injection holes 52 in the vertical direction so that the coolant (W) is injected at high speed around the container of the beverage (C), a plurality of circumferential direction is formed.

The inner cylinder 53 forms a jet stream around the beverage C by the high-speed spraying through the injection hole 52, and the injection hole 52 has a constant diameter toward the beverage container 51. It is also possible to be formed so that the diameter can be gradually reduced.

The inner cylinder 53 has an opening forming direction of the injection hole 52 so that the injection direction of the coolant W passing through the injection hole 52 faces the center of the beverage container 51. An opening is formed toward the center of the.

That is, the rapid cooling body 50 injects the coolant W in the direction perpendicular to the beverage C, and the coolant W maximizes the heat transfer efficiency while the impinging jet is maximized.

The outer cylinder 55 forms the outer appearance of the rapid cooling body 50, is arranged to surround the outer periphery of the inner cylinder 52, and forms an inner flow path 54 between the inner cylinder 53. As shown in FIG.

The outer cylinder 55 is formed in the shape of a hollow cylinder whose upper and lower surfaces are open.

The rapid cooling body 50 further includes an upper plate body 57 blocking the upper end between the inner cylinder 53 and the outer cylinder 55, and a lower plate body 58 blocking the lower end of the outer cylinder 55.

The upper plate 57 is opened at the top of the beverage container 51 for the entrance and exit of the beverage (C), it is made of a hollow disc.

The rapid cooling body 50 has one of the inner cylinder 53 and the upper plate 57 to prevent the coolant W injected into the beverage container 51 from flowing out through the upper side of the beverage container 51. The quick cooling door 59 which opens and closes the drink accommodating part 51 is provided in the same.

The lower plate body 58 blocks the lower end of the inner cylinder 53 and the lower end between the inner cylinder 53 and the outer cylinder 55 to form the lower appearance of the rapid cooling body 50.

The lower plate body 58 forms a beverage accommodating part 51 with the inner cylinder 53 at the center thereof, and forms an inner flow passage 54 with the inner cylinder 53 and the outer cylinder 55 at the outside thereof.

The rapid cooling body 50 may be formed such that the upper plate body 57 is integrally formed with one of the inner cylinder body 53 and the outer cylinder body 55 with one of the lower plate bodies 58.

Meanwhile, the coolant supply passage 40 and the coolant recovery passage 60 are connected to the rapid cooling body 50, and the coolant supply passage 40 is connected to the internal passage 54 of the rapid cooling body 50. The coolant recovery flow path 60 is connected in communication with the beverage container 51 of the rapid cooling body 50.

Since the coolant W has its own weight, the rapid cooling body 50 is supplied with the coolant through the upper portion of the rapid cooling body 50 and discharged through the lower portion of the rapid cooling body 50. The coolant supply flow passage 40 is connected to the upper plate body 57, and the coolant recovery flow path 60 is connected to the lower portion of the beverage container 51 of the lower plate body 58.

That is, the upper plate body 57 is provided with a supply flow path connecting portion 57a to which the coolant supply flow passage 40 is connected, and the lower plate body 58 has a recovery flow path connecting portion 58a to which the coolant recovery flow path 60 is connected. Is formed.

The coolant recovery flow path 60 includes a tube or a hose connecting the outlet of the rapid cooling body 50 and the inlet of the coolant cooler 30.

The coolant recovery flow path 60 is a rapid cooling body-circulation pump that connects the outlet of the rapid cooling body 50 and the inlet of the pure pump 70 when the circulation pump 70 is installed in the coolant recovery flow path. And a circulation pump-coolant connection flow path 64 connecting the connection flow path 62 and the outlet of the circulation pump 70 and the inlet of the coolant cooler 30.

The refrigerator according to the present embodiment is installed in the rapid cooling body 50 to excite the rapid cooling body 50, and installed below the rapid cooling body 50 to support the rapid cooling body 50. It further comprises a plurality of support (90).

The exciter 80 is to ultrasonically excite the coolant (W) and the beverage (C) to promote heat transfer. The exciter is made of an ultrasonic vibrator and is installed to be in contact with the outer surface of the rapid cooling body 50.

The plurality of supports 90 allow the rapid cooling body 50 to be suspended from the inner wall of the storage compartment F or R, or the rapid cooling body 50 to be spaced apart from the shelf 92 provided in the storage compartment F. In this case, a plurality of the plurality of spaced portions are provided on the lower surface of the rapid cooling body 50.

The plurality of supports 90 is preferably made of an elastic member to absorb vibrations or shocks that may occur during rapid cooling of the beverage.

6 is a control block diagram of an embodiment of a refrigerator according to the present invention.

The refrigerator according to the present embodiment controls the refrigerator according to an input unit 100 for inputting a temperature of a storage room such as a user or a rapid beverage cooling command and an input of the input unit 100, and rapidly cools the beverage through the input unit 100. If a command is input, the controller 110 further includes a driving unit for driving the circulation pump 70.

When the desired temperature of the storage compartment is input through the input unit, the controller 110 controls the compressor 11, the condensation fan 12 ′, the circulation fan 14 ′, etc. according to the input desired temperature and the temperature of the storage compartment, The circulation pump 70 is controlled according to the beverage rapid cooling command input through the 100.

Hereinafter, the operation of the present invention configured as described above is as follows.

First, a user or the like opens the quick cooling door 59 of the doors 5 and 6 and the rapid cooling body 50, and injects the beverage C into the beverage container 51 of the rapid cooling body 50. After the quick cooling door 59 and the doors 5 and 6 of the rapid cooling body 50 are closed, the beverage C is accommodated in the rapid cooling body 50.

Thereafter, when a user or the like inputs a rapid drink cooling command through the input unit 100, the controller 110 drives the circulation pump 70.

The controller 110 drives the compressor 11 when the compressor 11 is stopped at the time of input of the rapid cooling command, and continuously drives the compressor 11 when the compressor 11 is currently being driven.

When the compressor 11 is driven, the refrigerant L cools the evaporator 14 while sequentially passing through the compressor 11, the condenser 12, the expander 13, and the evaporator 14.

When the circulation pump 70 is driven, the coolant of the coolant recovery flow path 60 is cooled by the evaporator 14 while passing through the coolant flow path of the coolant cooler 30, and then the coolant supply flow path 40. It passes through and is supplied to the rapid cooling body 50.

At this time, the coolant W is distributed from the common flow path 52 to the branch flow path 54 and supplied to the internal flow path 54 of the rapid cooling body 50, and in the circumferential direction and the downward direction in the internal flow path 54. It spreads, and then is horizontally sprayed at high speed toward the beverage container 51 through the plurality of injection holes 52 of the inner cylinder 53.

The coolant W injected at a high speed into the plurality of injection holes 52 is sprayed toward the beverage C in the circumferential direction of the beverage container 51 and in the height direction of the beverage container 51. The coolant W forms an impinging jet while hitting the container outer surface of the beverage C orthogonally.

Since the coolant W hitting the outer surface of the beverage C container at right angles as described above cools the container of beverage C with high heat transfer efficiency, the density of the coolant is higher than that of the conventional gaseous coolant. The beverage C is cooled more quickly when the gaseous coolant is injected into the container of the beverage C.

Coolant (W) hit the outer surface of the container of the beverage (C) is dropped by its own weight while splashing up, down, left, right around the container of the beverage (C), flows to the lower portion of the beverage container 51 and then coolant It is circulated to the recovery flow path 60.

When the circulation pump 70 is driven as described above, the coolant includes a coolant cooler 30, a coolant flow path P of the coolant supply flow path 40, and an internal flow path 54 of the rapid cooling body 50. The beverage C is directly cooled while circulating the plurality of injection holes 52, the beverage accommodating portion 51, and the coolant recovery flow path 60.

On the other hand, during the rapid cooling as described above, the control unit 110 operates the exciter 80, the exciter 80 to ultrasonically excite the rapid cooling body 50.

The ultrasonic waves simultaneously excite not only the coolant but also the beverage inside the beverage container, and the beverage promotes heat transfer.

On the other hand, the control unit 110 in the temperature sensor 94 is installed to measure the temperature of the beverage (C), or the rapid cooling stop command is input through the input unit 100, the set time has elapsed after the rapid cooling command is input; If the sensed temperature is below the set temperature, the exciter 80 and the circulation pump 70 are stopped.

The temperature sensor 94 detects the container temperature of the beverage C in a non-contact manner, and is made of an infrared sensor or the like, and is spaced apart from the beverage C or the inner cylinder 53 in the rapid cooling door 59.

When the exciter 80 is stopped, ultrasonic waves are not transmitted to the inside of the rapid cooling body 50, and when the circulation pump 70 is stopped, the coolant W stops its flow.

When the user or the like opens the door 5 or 6 and takes out the cooled beverage C by direct contact with the coolant W, the user can drink the rapidly cooled beverage C.

7 is a schematic diagram illustrating a refrigerant and coolant flow in another embodiment of the refrigerator according to the present invention.

In the refrigerator according to the present embodiment, as shown in FIG. 7, the coolant cooler 30 ′ is installed in parallel with the evaporator 14 of the refrigerating cycle apparatus 10, and the coolant flow path 30 a ′ through which the coolant passes. ) And the coolant flow path (30b ') is made of a heat exchanger, and other configurations and actions other than the coolant cooler (30') is the same as or similar to the refrigerator of one embodiment of the present invention, a detailed description thereof will be omitted. .

In the evaporator 14 and the coolant cooler 30 ', the refrigerant pipes 18 and 18' into which the refrigerant flows are connected in parallel. An evaporator inlet pipe 18 is connected between the evaporator 14 and the expander 13, and the coolant cooler 30 ′ has a coolant flow path 30 a ′. ′).

In the evaporator 14, the coolant cooler 30 ′ is connected to the refrigerant pipes 19 and 19 ′ in which the refrigerant flows out in parallel. An evaporator outlet pipe 19 is connected between the evaporator 14 and the compressor 11, and the coolant cooler 30 ′ has a refrigerant flow path 30 a ′. The evaporator outlet pipe 19 and the coolant cooler outlet pipe 19 are connected to each other. ′).

In the coolant cooler 30 ′, the coolant flow path 30 b ′ is connected to the coolant supply flow path 40, and is connected to the coolant recovery flow path 60.

The coolant cooler 30 'is composed of an inner tube in which one of the coolant flow path 30a' and the coolant flow path 30b 'is located, and the double pipe made of an outer pipe surrounding the outside of the outer pipe. The heat exchanger may be configured, and the coolant flow path 30a 'and the coolant flow path 30b' may be configured as a plate heat exchanger formed by crossing the plate-shaped heat transfer member.

In the refrigerator according to the present exemplary embodiment, the coolant cooler inlet pipe 18 ′ and the coolant cooler outlet pipe 19 ′ are opened so that the refrigerant flows into the coolant cooler 30 ′ in the rapid cooling mode. Alternatively, to control the rapid cooling valve 96 for sealing one of the coolant cooler inlet pipe (18 ') and the coolant coolant outlet pipe (19') so that the refrigerant does not flow to the coolant cooler (30 '), and the control unit ( 110 controls the rapid cooling valve 96 in accordance with the input of the rapid cooling command.

In the refrigerator according to the present embodiment, in a normal operation in which a rapid cooling command is not input, the controller 110 drives the compressor 11, the condensation fan 12 ′, the circulation fan 14 ′, and the rapid cooling valve. (96) is controlled in a closed mode, the refrigerant circulates through the compressor (11), the condenser (12), the expander (13) and the evaporator (14), and the reservoir (F) (R) is the coolant cooler (30). ′) More efficiently than when the refrigerant flows.

On the other hand, in the rapid cooling operation in which the rapid cooling command is input, the controller 110 drives the compressor 11, the condensation fan 12 ′ and the circulation fan 14 ′, and closes the rapid cooling valve 96 in a closed mode. Control, and drives the circulation pump (70).

The refrigerant L is sequentially passed through the compressor 11, the condenser 12, and the expander 13, and then dispersed in the evaporator 14 and the coolant cooler 30 ′, and the evaporator 14 and the coolant cooler 30. ') Is cooled and recovered by the compressor (11).

The coolant (W) flows from the coolant recovery flow path (60) to the coolant flow path (30b ') of the coolant cooler (30') to lose heat to the refrigerant (L), and then the coolant supply flow path (40) Flow through the rapid cooling body 50, after cooling the beverage (C) in the rapid cooling body 50 is recovered to the coolant recovery flow path (60).

8 is a schematic diagram illustrating a refrigerant and coolant flow in another embodiment of a refrigerator according to the present invention.

In the refrigerator according to the present embodiment, as shown in FIG. 8, the coolant cooler 30 ″ is installed in series with the evaporator 14 of the refrigeration cycle apparatus 10, and the coolant flow path 30a ″ through which the coolant passes. And the coolant flow path (30b ″) is made of a heat exchanger, the heat exchange, other configuration and operation other than the coolant cooler (30 ″) is the same or similar to the refrigerator of one embodiment of the present invention, detailed description thereof will be omitted.

The coolant cooler 30 ″ is positioned between the evaporator 14 and the expander 14 so that the refrigerant expanded in the expander 14 flows to the evaporator 14 after passing through the coolant cooler 30 ″. It is also possible that the refrigerant located between the evaporator 14 and the compressor 11 and evaporated in the evaporator 14 flows into the compressor 11 after passing through the coolant cooler 30 ″.

The rapid cooler 200 preferably cools the beverage quickly within a set portion (eg, 5 minutes), and the coolant cooler 30 ″ is preferably installed between the expander 13 and the evaporator 14. .

The evaporator 14 and the coolant cooler 30 ″ are connected in series with the refrigerant pipes 18 and 18 ″ through which the refrigerant flows. An evaporator inlet pipe 18 is connected between the evaporator 14 and the coolant cooler 30 ″, and the coolant cooler 30 'has a refrigerant flow path 30a ″ having an expander 13 and a coolant cooler inlet pipe ( 18 ″).

In the coolant cooler 30 ″, the coolant flow path 30b ″ is connected to the coolant supply flow path 40, and is connected to the coolant recovery flow path 60.

The coolant cooler 30 ″ consists of an inner tube in which one of the refrigerant passage 30a ″ and the coolant passage 30b ″ is positioned inside, and the double tube formed of an outer tube surrounding the outside of the outer tube. The heat exchanger may be configured, and the refrigerant flow passage 30a ″ and the coolant flow passage 30b ″ may be configured as plate heat exchangers formed by crossing the plate heat transfer members.

In the refrigerator according to the present embodiment, during the rapid cooling operation, the refrigerant L passes through the compressor 11, the condenser 12, and the expander 13, and then opens the refrigerant passage 30a ″ of the coolant cooler 30 ″. The coolant cooler 30 ″ is cooled while passing, and then the evaporator 14 is cooled while passing through the evaporator 14 and is recovered to the compressor 11.

The coolant (W) flows from the coolant recovery flow path (60) to the coolant flow path (30b ″) of the coolant cooler (30 ″) to deprive heat to the refrigerant (L), and then cool the coolant supply flow path (40). Flow through the rapid cooling body 50, after cooling the beverage (C) in the rapid cooling body 50 is recovered to the coolant recovery flow path (60).

On the other hand, the present invention is not limited to the embodiment described above, in addition to the beverage to be cooled, such as ice and meat or meat can be added to the rapid cooler 20 to be rapidly cooled, various implementations within the technical scope to which the present invention belongs Of course it is possible.

1 is a perspective view of one embodiment of a refrigerator according to the present invention;

2 is a schematic structural diagram showing a refrigerant flow and a coolant flow of a refrigerator according to an embodiment of the present invention;

3 is a longitudinal sectional view showing the inside of an embodiment of a refrigerator according to the present invention;

4 is an enlarged longitudinal cross-sectional view of the rapid cooling body shown in FIGS.

5 is an enlarged plan sectional view of the rapid cooling body shown in FIGS.

6 is a control block diagram of an embodiment of a refrigerator according to the present invention;

7 is a schematic configuration diagram showing a refrigerant and coolant flow of another embodiment of a refrigerator according to the present invention;

8 is a schematic diagram illustrating a refrigerant and coolant flow in another embodiment of a refrigerator according to the present invention.

Claims (11)

A main body having a storage compartment; A refrigeration cycle device for cooling the storage compartment; A coolant cooler configured to form a coolant flow path through which coolant passes, and cool the heat exchanged with the refrigerant of the refrigeration cycle apparatus; A coolant supply flow path through which the coolant cooled by the coolant cooler is guided; A quick cooling body having a beverage receiving portion for receiving a beverage and having a plurality of injection holes for injecting the supplied coolant guided into the coolant supply passage to an outer surface of the container of the beverage; A coolant recovery flow path guiding the coolant flowing out of the rapid cooling body to the coolant cooler; And a circulation pump installed in at least one of the coolant supply passage and the coolant recovery passage to circulate the coolant. The method of claim 1, The rapid cooling body has a plurality of injection holes are formed therein and the inner cylinder to form the beverage receiving portion; A refrigerator comprising an outer cylinder surrounding the inner cylinder and having an inner flow passage through which coolant passes between the inner cylinder. The method of claim 2, The rapid cooling body is a top plate for blocking the upper end between the inner cylinder and the outer cylinder, A refrigerator further comprising a lower plate blocking the lower end of the outer cylinder. The method of claim 3, wherein The coolant supply passage is connected to the upper plate. The method of claim 3, wherein The coolant recovery flow passage is connected to the lower portion of the beverage receiving portion of the lower plate. The method of claim 1, The coolant supply passage includes a common passage connected to the coolant cooler and a plurality of branch passages connected to the common passage and connected to the rapid cooling body. The method of claim 1, And a vibrator installed on the rapid cooling body to excite the rapid cooling body. The method of claim 7, wherein The refrigerator further includes a plurality of supports installed on the lower portion of the rapid cooling body for supporting the rapid cooling body. The method of claim 1, And the coolant cooler is a heat exchanger installed in contact with an evaporator surface of the refrigeration cycle device. The method of claim 1, And the coolant cooler is a heat exchanger installed in parallel with the evaporator of the refrigeration cycle device and in which the coolant flow path and the coolant flow path through which the coolant passes. The method of claim 1, And the coolant cooler is a heat exchanger installed in series with the evaporator of the refrigeration cycle device and in which the coolant flow path and the coolant flow path through which the coolant passes.

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