KR100705766B1 - Quick freezing system for refrigerator - Google Patents

Quick freezing system for refrigerator Download PDF

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Publication number
KR100705766B1
KR100705766B1 KR1020050122707A KR20050122707A KR100705766B1 KR 100705766 B1 KR100705766 B1 KR 100705766B1 KR 1020050122707 A KR1020050122707 A KR 1020050122707A KR 20050122707 A KR20050122707 A KR 20050122707A KR 100705766 B1 KR100705766 B1 KR 100705766B1
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KR
South Korea
Prior art keywords
cold air
air duct
refrigerator
high speed
cooling chamber
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KR1020050122707A
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Korean (ko)
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전용덕
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주식회사 대우일렉트로닉스
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/061—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation through special compartments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0681—Details thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0683—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans the fans not of the axial type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/30—Quick freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00—Control issues
    • F25D2600/06—Controlling according to a predetermined profile

Abstract

본 발명은 압축기, 응축기, 모세관, 및 증발기를 포함하는 냉매사이클을 이용하여 냉각실에서 생성되는 냉기를 송풍팬을 이용하여 순환시킴으로써, 저장실을 냉동 및 냉장하는 냉장고에 있어서, 상기 모세관에 장착되어 냉매를 감압하는 팽창밸브; 상기 냉각실과 저장실을 바이패스시켜 냉각기의 냉기가 공급되도록 형성한 냉기 덕트; 및 상기 냉기덕트의 일측에 장착되어 냉기를 공급하는 고속팬을 포함하는 것을 특징으로 하는 냉장고의 초저온 냉동시스템에 관한 것으로서, 모세관 일측에 팽창밸브를 구비하고, 냉기 덕트에 고속팬을 구비하여, 초저온의 냉기가 냉기덕트 내부로 고속으로 유입되어 수용된 음식물을 급속하게 냉동시킬 수 있는 효과가 있다.The present invention provides a refrigerator for freezing and refrigerating a storage compartment by circulating cold air generated in a cooling chamber using a blower fan using a refrigerant cycle including a compressor, a condenser, a capillary tube, and an evaporator. Expansion valve for reducing the pressure; A cold air duct formed to bypass the cooling chamber and the storage chamber to supply cool air of the cooler; And a high speed fan mounted on one side of the cold air duct to supply cold air, comprising a expansion valve at one side of the capillary tube, and a high speed fan at the cold air duct. The cold air is introduced into the cold air duct at a high speed has the effect of rapidly freezing the food received.

냉장고, 팽창밸브 Refrigerator, expansion valve

Description

냉장고의 초저온 냉동시스템{Quick freezing system for refrigerator}Quick freezing system for refrigerator

도 1은 일반적인 냉장고의 구성을 나타내는 단면도로서, 1 is a cross-sectional view showing the configuration of a general refrigerator,

도 2는 본 발명에 따른 냉장고의 초저온 냉동시스템을 개략적으로 도시한 단면도.Figure 2 is a schematic cross-sectional view of the cryogenic freezing system of the refrigerator according to the present invention.

도 3은 본 발명에 따른 냉장고의 초저온 냉동시스템의 제어부를 도시한 블럭도3 is a block diagram showing a control unit of the cryogenic refrigeration system of the refrigerator according to the present invention.

도 4는 도 2의 팽창밸브를 도시한 확대 단면도.4 is an enlarged cross-sectional view showing the expansion valve of FIG.

도 5는 도 2의 냉기덕트를 나타내는 확대 단면도.5 is an enlarged cross-sectional view showing the cold air duct of FIG.

도 6은 냉기덕트에 착탈이 가능한 초저온실을 도시한 단면도.Figure 6 is a cross-sectional view showing a cryogenic chamber detachable to the cold air duct.

- 도면의 주요부분에 대한 부호의 설명 --Explanation of symbols for the main parts of the drawings-

100: 본체 110: 저장실100: main body 110: storage compartment

120: 모세관 130: 증발기120: capillary 130: evaporator

140: 냉각실 150: 송풍팬140: cooling chamber 150: blowing fan

160: 팽창밸브 170: 구획판160: expansion valve 170: partition plate

180: 냉기덕트 190: 고속팬180: cold air duct 190: high speed fan

210: 입력부 220: 제어부210: input unit 220: control unit

230: 냉매파이프 240: 도어230: refrigerant pipe 240: door

250: 초저온실250: cryogenic room

본 발명은 냉장고의 초저온 냉동시스템에 관한 것으로서, 보다 상세하게는 모세관 일측에 팽창밸브를 구비하고, 냉기 덕트에 고속팬을 구비하여, 초저온의 냉기가 냉기덕트 내부로 고속으로 유입되어 수용된 음식물을 급속하게 냉동시킬 수 있는 냉장고의 초저온 냉동시스템에 관한 것이다.The present invention relates to a cryogenic refrigeration system of a refrigerator, and more particularly, an expansion valve is provided at one side of a capillary tube, and a high speed fan is provided at a cold air duct, so that cold food of ultra low temperature is introduced into the cold air duct at a high speed to rapidly receive food. It relates to an ultra low temperature refrigeration system of a refrigerator that can be frozen.

일반적으로 냉장고는 음식물 등을 냉동시키거나, 냉장 보관하기 위하여 사용되는 것으로서, 그 내부에 냉동실과 냉장실로 분리된 수납공간을 형성하는 케이스 및 상기 케이스의 일측에 장착되어 냉동실과 냉장실을 개폐하는 상·하 도어와, 압축기, 응축기 및 증발기 등과 같이 냉동사이클을 이루어 냉동실과 냉장실의 온도를 낮추기 위한 기기들을 포함하여 구성된다.In general, a refrigerator is used to freeze or refrigerate food and the like, and a case for forming a storage space separated into a freezer compartment and a refrigerating compartment, and a top and bottom of the case, which are mounted at one side of the case to open and close the freezer compartment and the refrigerator compartment. It comprises a lower door, a device for lowering the temperature of the freezer compartment and the refrigerating compartment by forming a refrigeration cycle such as a compressor, a condenser and an evaporator.

이러한 냉장고에서는 압축기에 의해 저온·저압의 기상 냉매가 고온·고압으로 압축되며, 압축된 고온·고압의 기상 냉매가 응축기를 지나는 과정에서 냉각·응축되어 고압의 액상으로 전환되며, 고압의 액체상태로 된 냉매는 모세관을 통과하면서 그 온도와 압력이 낮아진 다음, 계속해서 증발기에서 저온·저압의 기체상태로 변하면서 주위로부터 열을 빼앗아 그 주위의 공기를 냉각시키게 된다. 증발기 를 거쳐 냉각된 공기는 송풍팬의 작동으로 냉동실과 냉장실로 유입됨으로써, 냉동실 및 냉장실의 온도가 낮아진다.In such a refrigerator, a low-temperature and low-pressure gaseous refrigerant is compressed to a high temperature and a high pressure, and the compressed high-temperature and high-pressure gaseous refrigerant is cooled and condensed as it passes through a condenser to be converted into a high-pressure liquid state. Once the refrigerant passes through the capillary tube, its temperature and pressure are lowered, and then the evaporator continues to change into a low-temperature and low-pressure gas state, taking heat from the surroundings to cool the air around it. Air cooled through the evaporator is introduced into the freezer compartment and the refrigerating compartment by the operation of a blower fan, thereby lowering the temperature of the freezer compartment and the refrigerating compartment.

도 1은 종래의 일반적인 냉장고의 구성을 나타내는 단면도로서, 도시된 바와 같이, 격벽에 의해 구획된 다수개의 저장실(11, 12)을 구비한 본체(10)가 마련되고, 본체(10)의 일측에는 이 저장실(11, 12)을 개폐하기 위한 도어(14, 15)가 힌지 결합되어 설치된다. 그리고, 이 냉장고의 냉기를 생성하는 장치들이 본체(10)에 설치되는데, 먼저 냉매를 고온·고압으로 압축하여 냉동사이클로 냉기를 순환시키는 압축기(17)가 본체(10) 하부의 기계실(16)에 마련되고, 이 기계실(16)에는 압축기(17)에서 압축된 냉매를 응축하는 응축기(미도시)가 마련된다. 그리고, 본체(10) 내부의 후벽면 내측에는 응축기로부터 전달된 냉매를 열교환시키는 증발기(18)가 마련된다. 그리고 이러한 압축기(17), 응축기, 및 증발기(18)로 순환되는 냉매를 안내하는 냉매관이 본체(10) 내부에 설치된다.1 is a cross-sectional view illustrating a structure of a conventional refrigerator, and as illustrated, a main body 10 having a plurality of storage compartments 11 and 12 partitioned by partition walls is provided, and one side of the main body 10 is provided. Doors 14 and 15 for opening and closing the storage chambers 11 and 12 are hingedly installed. In addition, apparatuses for generating cold air of the refrigerator are installed in the main body 10. First, a compressor 17 for compressing the refrigerant at high temperature and high pressure to circulate the cold air in a refrigeration cycle is provided in the machine room 16 under the main body 10. The machine room 16 is provided with a condenser (not shown) for condensing the refrigerant compressed by the compressor 17. An evaporator 18 is provided inside the rear wall of the main body 10 to heat exchange the refrigerant transferred from the condenser. And a refrigerant pipe for guiding the refrigerant circulated to the compressor 17, the condenser, and the evaporator 18 is installed in the main body 10.

그러나, 상기와 같은 종래의 냉장고는 냉매의 온도와 압력을 낮추기 위하여 모세관을 사용함으로써, 냉장고 내에 저장되어 그 맛과 상태를 위하여 단시간에 식품을 냉동시키기 위한 초저온 즉, 급속 냉동 기능을 수행하기에는 다소 어려움이 있었다.However, the conventional refrigerator as described above uses a capillary tube to lower the temperature and pressure of the refrigerant, so that it is rather difficult to perform the ultra low temperature, that is, the quick freezing function for freezing the food in a short time for the taste and condition. There was this.

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로서, 모세관 일측에 팽창밸브를 구비하고, 냉기 덕트에 고속팬을 구비하여, 초저온의 냉기가 냉 기덕트 내부로 고속으로 유입되어 수용된 음식물을 급속하게 냉동시킬 수 있는 냉장고의 초저온 냉동시스템을 제공하는데 그 목적이 있다.The present invention has been made in order to solve the above problems, and provided with an expansion valve on one side of the capillary tube, provided with a high speed fan in the cold air duct, the cryogenic cold air flows into the cold duct at a high speed to rapidly receive food It is an object of the present invention to provide a cryogenic refrigeration system of a refrigerator which can be freeze freely.

본 발명은 압축기, 응축기, 모세관, 및 증발기를 포함하는 냉매싸이클을 이용하여 냉각실에서 생성되는 냉기를 송풍팬을 이용하여 순환시킴으로써, 저장실을 냉동 및 냉장하는 냉장고에 있어서, 상기 모세관에 장착되어 냉매를 감압하는 팽창밸브; 상기 저장실에 소정공간으로 형성되고, 상기 냉각실과 연통되어 냉각실의 냉기가 유입되는 냉기덕트; 및 상기 냉기덕트의 일측에 장착되어 상기 냉각실의 냉기가 냉기덕트로 유입되도록 작동하는 고속팬을 포함하는 것을 특징으로 한다.The present invention provides a refrigerator for freezing and refrigerating a storage compartment by circulating cold air generated in a cooling chamber using a blower fan by using a refrigerant cycle including a compressor, a condenser, a capillary tube, and an evaporator. Expansion valve for reducing the pressure; A cold air duct formed in the storage chamber in a predetermined space and communicating with the cooling chamber to introduce cold air from the cooling chamber; And a high speed fan mounted at one side of the cold air duct and operable to introduce cold air from the cooling chamber into the cold air duct.

바람직하게는, 상기 고속팬은 크로스 플로우 팬인 것을 특징으로 하고, 상기 냉기덕트의 입구측에 개폐가능한 도어를 형성한 것을 특징으로 한다.Preferably, the high speed fan is a cross flow fan, characterized in that the opening and closing door is formed on the inlet side of the cold air duct.

더 바람직하게는, 음식물을 수용하여 상기 냉기덕트 내부에 착탈이 가능한 초저온실을 구비한 것을 특징으로 하고, 입력부의 입력신호에 따라 상기 팽창밸브 및 고속팬의 작동을 제어하는 제어부를 더 포함하는 것을 특징으로 한다.More preferably, characterized in that it comprises a cryogenic chamber that can be attached and detached inside the cold air duct to accommodate food, further comprising a control unit for controlling the operation of the expansion valve and the high speed fan according to the input signal of the input unit. It features.

따라서, 모세관 일측에 팽창밸브를 구비하고, 냉기 덕트에 고속팬을 구비하여, 초저온의 냉기가 냉기덕트 내부로 고속으로 유입되어 수용된 음식물을 급속하게 냉동시킬 수 있는 효과가 있다.Therefore, an expansion valve is provided at one side of the capillary tube, and a high speed fan is provided at the cold air duct, so that the cryogenic cold air flows into the cold air duct at a high speed to rapidly freeze the food contained therein.

이하, 첨부된 도면을 참조하여 본 발명에 따른 냉장고의 초저온 냉동시스템 의 바람직한 실시예를 설명한다.Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the cryogenic refrigeration system of the refrigerator according to the present invention.

도 2는 본 발명에 따른 냉장고의 초저온 냉동시스템을 개략적으로 도시한 단면도로서, 도시된 바와 같이, 본 발명에 따른 냉장고는 본체(100) 내부에 음식물 등을 저장하는 저장실(110)이 구비되고, 압축기, 응축기, 모세관(120), 및 증발기(130)를 포함하는 냉매사이클을 이용하여 냉각실(140)에서 생성되는 냉기를 송풍팬(150)을 이용하여 순환시킴으로써, 저장실(110)을 냉동 및 냉장하게 된다.2 is a cross-sectional view schematically showing the cryogenic freezing system of the refrigerator according to the present invention, as shown, the refrigerator according to the present invention is provided with a storage compartment 110 for storing food and the like inside the main body 100, The coolant generated in the cooling chamber 140 is circulated using the blower fan 150 using a refrigerant cycle including a compressor, a condenser, a capillary tube 120, and an evaporator 130, thereby freezing and storing the storage compartment 110. Refrigerated.

상기 증발기(130)의 상측에 연결된 모세관(120)에는 냉매의 압력을 급격하게 감소시키는 팽창밸브(160)가 장착되고, 냉각실(140)의 상부에는 송풍팬(150)이 구비되어 저장실(110)로 냉각실(140)에서 생성된 냉기를 순환하게 된다.The capillary tube 120 connected to the upper side of the evaporator 130 is equipped with an expansion valve 160 for rapidly reducing the pressure of the refrigerant, and a blowing fan 150 is provided at the upper portion of the cooling chamber 140 to store the storage chamber 110. ) Circulates the cold air generated in the cooling chamber 140.

이때, 저장실(110)과 냉각실(140)을 구획하는 구획판(170)의 중간 부분에 상기 저장실(110)과 냉각실(140)을 연통하여 냉각실(140)의 냉기가 유입되도록 냉기덕트(180)가 형성된다.At this time, the cold air duct to communicate the storage compartment 110 and the cooling chamber 140 to the middle portion of the partition plate 170 partitioning the storage compartment 110 and the cooling chamber 140 so that the cool air of the cooling chamber 140 flows in. 180 is formed.

또한, 상기 냉기덕트(180)의 배면측, 즉, 냉각실(140)과 저장실(110)의 경계부분에는 냉각실(140)에서 생성된 냉기가 냉기덕트(180)로 급속하게 유입되도록 고속팬(190)이 구비된다. 바람직하게는, 상기 고속팬(190)은 크로스 플로우 팬을 사용한다.In addition, a high-speed fan on the back side of the cold air duct 180, that is, the boundary between the cooling chamber 140 and the storage chamber 110 so that the cold air generated in the cooling chamber 140 is rapidly introduced into the cold air duct 180. 190 is provided. Preferably, the high speed fan 190 uses a cross flow fan.

도 3은 본 발명에 따른 냉장고의 초저온 냉동시스템의 제어부를 도시한 블럭도로서, 도시된 바와 같이, 입력부(210)를 통해 사용자가 초저온 모드를 선택하면, 제어부(220)는 팽창밸브(160) 및 고속팬(190)의 작동을 제어한다.3 is a block diagram illustrating a control unit of the cryogenic freezing system of the refrigerator according to the present invention. As shown in the drawing, when the user selects the cryogenic mode through the input unit 210, the control unit 220 expands the expansion valve 160. And controlling the operation of the high speed fan 190.

본 발명은 상기와 같이 구성되어, 압축기에서 고온, 고압으로 압축된 냉매는 응축기를 통해 응축이 되고, 상기 응축기에서 액화된 냉매가 고온, 고압의 상태로 바로 증발기(130)로 유입되는 것을 방지하기 위하여 본체(100)의 후방벽에 내삽된 냉매 파이프(230)를 경유하여 모세관(120)을 통해 감압되고, 증발기(130)측으로 유입되어 열교환하여 냉기를 생성한다.The present invention is configured as described above, the refrigerant compressed to a high temperature, high pressure in the compressor is condensed through the condenser, to prevent the refrigerant liquefied in the condenser to directly enter the evaporator 130 in a high temperature, high pressure state In order to reduce the pressure through the capillary tube 120 via the refrigerant pipe 230 inserted into the rear wall of the main body 100, the evaporator 130 is introduced into the evaporator 130 to exchange heat to generate cold air.

이후, 냉각실(140)에서 생성된 냉기는 송풍팬(150)의 구동에 의해 저장실(110)을 순환하게 되는 것이다.Thereafter, the cold air generated in the cooling chamber 140 is circulated through the storage chamber 110 by driving the blower fan 150.

이때, 사용자가 입력부(210)를 통해 초저온 모드를 선택하게 되면, 제어부(220)는 팽창밸브(160)를 작동하여 냉매의 압력을 대폭 감압시켜 증발기(130)에서 생성되는 냉기의 온도가 대략 영하 30도 이하의 초저온이 되도록 한다.At this time, when the user selects the cryogenic mode through the input unit 210, the control unit 220 operates the expansion valve 160 to significantly reduce the pressure of the refrigerant to reduce the temperature of the cold air generated in the evaporator 130 is approximately below zero. Make it ultra-low temperature below 30 degrees.

도 4는 도 2의 팽창밸브를 도시한 확대 단면도로서, 도시된 것처럼, 팽창밸브(160)의 냉매가 지나가는 유로의 폭을 조절하여 냉각실(140)에서 생성되는 냉기의 온도를 조절할 수 있다.FIG. 4 is an enlarged cross-sectional view illustrating the expansion valve of FIG. 2, and as illustrated, the temperature of the cold air generated in the cooling chamber 140 may be adjusted by adjusting the width of the flow path through which the refrigerant of the expansion valve 160 passes.

또한, 제어부(220)는 상기 냉기덕트(180)의 냉기 유입구측에 장착된 고속팬(190)을 구동하여 냉각실(140)에서 생성된 초저온의 냉기를 냉기덕트(180)로 고속 순환하여, 냉기덕트(180) 내부에 수용된 음식물을 급속하게 냉동할 수 있다.In addition, the controller 220 drives the high speed fan 190 mounted at the cold air inlet side of the cold air duct 180 to circulate the high temperature cold air generated in the cooling chamber 140 at high speed to the cold air duct 180, The food contained in the cold air duct 180 may be rapidly frozen.

도 5는 도 2의 냉기덕트를 나타내는 확대 단면도로서, 도시된 것처럼, 바람직하게는, 음식물을 수납하는 입구측에 화살표 방향으로 회동하여 냉기 덕트(180)를 개폐하는 도어(240)가 장착된다.FIG. 5 is an enlarged cross-sectional view illustrating the cold air duct of FIG. 2. As shown in the drawing, a door 240 for opening and closing the cold air duct 180 by rotating in the direction of the arrow is preferably mounted on the inlet side for storing food.

상기 냉기 덕트(180)에 개폐 가능한 도어(240)를 장착함으로써, 냉각실(140)에서 생성된 초저온의 냉기가 냉기덕트(180) 내부에만 순환되도록 하여 저장실 (110) 다른 공간으로는 초저온의 냉기가 순환되는 것을 방지한다.By mounting the door 240 that can be opened and closed in the cold air duct 180, the ultra low temperature cold air generated in the cooling chamber 140 is circulated only inside the cold air duct 180, so that the cold air of the ultra low temperature to the other space of the storage compartment 110 Prevents circulation.

도 6은 냉기덕트에 착탈이 가능한 초저온실을 도시한 단면도로서, 바람직하게는, 도 6에 도시된 것처럼, 냉장고의 야채실처럼, 별도의 수납공간을 형성하고 냉기덕트(180) 내부에 착탈이 가능한 초저온실(250)을 형성할 수 있다. FIG. 6 is a cross-sectional view of a cryogenic chamber that can be attached to and detached from a cold air duct. Preferably, as shown in FIG. The cryogenic chamber 250 may be formed.

결론적으로, 본 발명은 모세관(120)에 팽창밸브(160)를 구비하여 냉매의 압력을 대폭 감압하여, 증발기(130)를 통해 초저온의 냉기가 생성되도록 하고, 고속팬(190)을 구동하여 냉기덕트(180) 측으로 초저온의 냉기가 고속으로 순환되도록 하여 냉기덕트 내부의 음식물이 급속하게 냉각되도록 한다.In conclusion, the present invention is provided with an expansion valve 160 in the capillary tube 120 to significantly reduce the pressure of the refrigerant, so that cryogenic cold air is generated through the evaporator 130, the high-speed fan 190 to drive the cold air Cryogenic cold air is circulated at high speed toward the duct 180 so that food in the cold air duct is rapidly cooled.

본 발명에 따른 냉장고의 초저온 냉동시스템은 상술한 바와 같이, 모세관 일측에 팽창밸브를 구비하고, 냉기 덕트에 고속팬을 구비하여, 초저온의 냉기가 냉기덕트 내부로 고속으로 유입되어 수용된 음식물을 급속하게 냉동시킬 수 있는 효과가 있다.As described above, the cryogenic freezing system of the refrigerator includes an expansion valve at one side of the capillary tube and a high speed fan in the cold air duct so that the cold food of the ultra low temperature is introduced into the cold air duct at a high speed to rapidly receive the food. There is an effect that can be frozen.

이상에서는, 본 발명을 특정의 바람직한 실시 예에 대해서 도시하고 설명하였다. 그러나, 본 발명은 상술한 실시 예에만 한정되는 것이 아니며, 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자라면 이하의 특허청구범위에 기재된 본 발명의 기술적 사상의 요지를 벗어남이 없이 얼마든지 다양하게 변경 실시할 수 있을 것이다.In the above, the present invention has been shown and described with respect to certain preferred embodiments. However, the present invention is not limited only to the above-described embodiments, and those skilled in the art to which the present invention pertains may vary without departing from the spirit of the technical idea of the present invention described in the claims below. It will be possible to carry out the change.

Claims (5)

압축기, 응축기, 모세관, 및 증발기를 포함하는 냉매싸이클을 이용하여 냉각실에서 생성되는 냉기를 송풍팬을 이용하여 순환시킴으로써, 저장실을 냉동 및 냉장하는 냉장고에 있어서,In a refrigerator for freezing and refrigerating a storage compartment by circulating a cool air generated in the cooling chamber by a blower fan using a refrigerant cycle including a compressor, a condenser, a capillary tube, and an evaporator, 상기 모세관에 장착되어 냉매를 감압하는 팽창밸브;An expansion valve mounted on the capillary to reduce the pressure of the refrigerant; 상기 저장실에 소정공간으로 형성되고, 상기 냉각실과 연통되어 냉각실의 냉기가 유입되는 냉기덕트; 및A cold air duct formed in the storage chamber in a predetermined space and communicating with the cooling chamber to introduce cold air from the cooling chamber; And 상기 냉기덕트의 일측에 장착되어 상기 냉각실의 냉기가 냉기덕트로 유입되도록 작동하는 고속팬을 포함하는 것을 특징으로 하는 냉장고의 초저온 냉동시스템.And a high speed fan mounted on one side of the cold air duct to operate the cold air of the cooling chamber into the cold air duct. 제 1항에 있어서,The method of claim 1, 상기 고속팬은 크로스 플로우 팬인 것을 특징으로 하는 냉장고의 초저온 냉동시스템.And the high speed fan is a cross flow fan. 제 1항에 있어서,The method of claim 1, 상기 냉기덕트의 입구측에 개폐가능한 도어를 형성한 것을 특징으로 하는 냉장고의 초저온 냉동시스템.Cryogenic refrigeration system of the refrigerator, characterized in that the door is formed on the inlet side of the cold air duct. 제 1항에 있어서,The method of claim 1, 음식물을 수용하여 상기 냉기덕트 내부에 착탈이 가능한 초저온실을 구비한 것을 특징으로 하는 냉장고의 초저온 냉동시스템.Cryogenic refrigeration system of the refrigerator, characterized in that the food storage is provided with a cryogenic chamber detachable inside the cold air duct. 제 1항에 있어서,The method of claim 1, 입력부의 입력신호에 따라 상기 팽창밸브 및 고속팬의 작동을 제어하는 제어부를 더 포함하는 것을 특징으로 하는 냉장고의 초저온 냉동시스템.And a control unit for controlling the operation of the expansion valve and the high speed fan according to the input signal of the input unit.
KR1020050122707A 2005-12-13 2005-12-13 Quick freezing system for refrigerator KR100705766B1 (en)

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KR101283190B1 (en) 2007-07-31 2013-07-05 엘지전자 주식회사 Refrigerator with evaporator installed in door

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JPH05164453A (en) * 1991-12-19 1993-06-29 Matsushita Refrig Co Ltd High-humidity box
JPH0712449A (en) * 1993-06-23 1995-01-17 Sanyo Electric Co Ltd Low temperature refrigerator
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KR19990011546A (en) * 1997-07-24 1999-02-18 구자홍 Refrigerator with rapid deicing function
KR19990019523A (en) * 1997-08-29 1999-03-15 구자홍 Refrigerator with rapid freezing function and its operation control method
KR19990021459A (en) * 1997-08-30 1999-03-25 윤종용 Refrigeration cycle
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Publication number Priority date Publication date Assignee Title
JPH05164453A (en) * 1991-12-19 1993-06-29 Matsushita Refrig Co Ltd High-humidity box
JPH0712449A (en) * 1993-06-23 1995-01-17 Sanyo Electric Co Ltd Low temperature refrigerator
KR19980049345A (en) * 1996-12-19 1998-09-15 구자홍 Refrigerator with quick freezing function
KR19990011546A (en) * 1997-07-24 1999-02-18 구자홍 Refrigerator with rapid deicing function
KR19990019523A (en) * 1997-08-29 1999-03-15 구자홍 Refrigerator with rapid freezing function and its operation control method
KR19990021459A (en) * 1997-08-30 1999-03-25 윤종용 Refrigeration cycle
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KR101283190B1 (en) 2007-07-31 2013-07-05 엘지전자 주식회사 Refrigerator with evaporator installed in door

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