KR100817328B1 - Air circulation system of refrigerator - Google Patents

Air circulation system of refrigerator Download PDF

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Publication number
KR100817328B1
KR100817328B1 KR1020060121001A KR20060121001A KR100817328B1 KR 100817328 B1 KR100817328 B1 KR 100817328B1 KR 1020060121001 A KR1020060121001 A KR 1020060121001A KR 20060121001 A KR20060121001 A KR 20060121001A KR 100817328 B1 KR100817328 B1 KR 100817328B1
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KR
South Korea
Prior art keywords
refrigerator
cold air
compartment
circulation system
air circulation
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KR1020060121001A
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Korean (ko)
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정학재
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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
    • F25D17/08—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
    • 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
    • F25D17/067—Evaporator fan units
    • 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
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/061—Walls with conduit means
    • 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
    • F25D2317/066—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 air supply
    • F25D2317/0664—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 air supply from the side
    • 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
    • F25D2317/066—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 air supply
    • F25D2317/0666—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 air supply from the freezer
    • 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
    • F25D2317/067—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 air ducts

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

An air circulation system of a refrigerator is provided to mount a plurality of evaporators, dampers and ducts and connect the same by a single line to form chilled air circulation systems at upper and lower parts separately, thereby improving cooling efficiency and achieving stabilized temperature control. An air circulation system of a refrigerator includes a main body(100) having a plurality of independent refrigerator compartments(120,140) and freezer compartments(110,130) defined by horizontal partition wall(160). A plurality of evaporators(210,220) are mounted to the freezer compartments and connected to each other via a single line. Dampers(300) are mounted at upper ends of vertical partitions(150) between the refrigerator and freezer compartments and formed with chilled air outlets(310). Ducts(400) are mounted at a lower end of the vertical partition wall and formed with chilled air inlets(410).

Description

냉장고의 냉기 순환 시스템{AIR CIRCULATION SYSTEM OF REFRIGERATOR}Refrigeration air circulation system {AIR CIRCULATION SYSTEM OF REFRIGERATOR}

도 1은 종래의 냉장고의 냉기 순환 시스템을 나타낸 단면도.1 is a cross-sectional view showing a cold air circulation system of a conventional refrigerator.

도 2는 본 발명에 따른 냉장고의 냉기 순환 시스템을 나타낸 단면도.2 is a cross-sectional view showing a cold air circulation system of a refrigerator according to the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

100 : 냉장고 본체 110 : 제1 냉동실100: refrigerator body 110: first freezer

120 : 제1 냉장실 130 : 제2 냉동실120: first refrigerator compartment 130: second freezer compartment

140 : 제3 냉장실 150 : 격벽140: third refrigerating chamber 150: partition wall

200 : 증발기 210 : 제1 증발기200: evaporator 210: first evaporator

220 : 제2 증발기 300 : 전자식 댐퍼220: second evaporator 300: electronic damper

310 : 냉기 토출구 400 : 덕트310: cold air discharge port 400: duct

410 : 냉기 흡입구 500 : 송풍팬410: cold air inlet 500: blowing fan

600 : 루버600: louver

본 발명은 냉장고의 냉기 순환 시스템에 관한 것으로, 더욱 상세하게는 복수개의 독립된 보관실을 갖는 냉장고의 내부에 복수개의 증발기와 전자식 댐퍼 및 덕트를 설치하여 각 보관실의 온도를 별도로 제어함으로써 냉각 효율성을 향상시킬 수 있는 냉장고의 냉기 순환 시스템에 관한 것이다.The present invention relates to a cold air circulation system of a refrigerator, and more particularly, by installing a plurality of evaporators, electronic dampers, and ducts inside a refrigerator having a plurality of independent storage compartments to improve cooling efficiency by controlling the temperature of each storage compartment separately. And a cold air circulation system of a refrigerator.

일반적으로 냉장고는, 냉각 사이클을 이용하여 냉장고 내의 공기를 냉각시켜 내부에 저장된 식품 등이 변질되지 않고 장시간 보존되도록 하기 위한 것이다.In general, a refrigerator is used to cool air in the refrigerator by using a cooling cycle so that food and the like stored therein are stored for a long time without being deteriorated.

이러한 냉장고는, 내부에 냉장실과 냉동실로 분리된 수납공간을 형성하는 본체와, 상기 본체의 일측에 장착되어 냉동실 및 냉장실을 개폐하는 도어로 이루어지며, 상기 본체의 저면에는 압축기, 응축기 및 증발기 등으로 구성되는 냉동사이클이 설치된다.The refrigerator includes a main body forming a storage space separated into a refrigerating compartment and a freezing compartment, and a door mounted on one side of the main body to open and close the freezing compartment and the refrigerating compartment, and a bottom of the main body includes a compressor, a condenser and an evaporator. A refrigeration cycle configured is installed.

즉, 상기한 냉장고는 상기 압축기에 의해 저온 저압의 기상 냉매가 고온 고압으로 압축되고, 압축된 고온 고압의 기상 냉매가 응축기를 지나는 과정에서 냉각 응축되어 고압의 액상으로 전환되며, 고압의 액체상태로 된 냉매는 모세관을 통과하면서 그 온도와 압력이 낮아진 다음, 연속해서 증발기에서 저온 저압의 기체상태로 변하면서 주위로부터 열을 빼앗아 그 주위의 공기를 냉각시키게 된다. That is, in the refrigerator, the low-temperature low-pressure gaseous refrigerant is compressed to high temperature and high pressure by the compressor, and the compressed high-temperature high-pressure gas phase refrigerant is cooled and condensed in the course of passing through the condenser and converted into a high-pressure liquid state. As the refrigerant passes through the capillary tube, its temperature and pressure are lowered, and then it is continuously changed into a gaseous state of low temperature and low pressure in the evaporator to take heat from the surroundings to cool the air around it.

그리고, 상기 증발기를 거쳐 냉각된 공기는 증발기 일측에 위치된 송풍팬의 작동으로 냉동, 냉장실로 유입 순환됨으로써 냉동실 및 냉장실의 온도가 낮아지게 되면서, 그 내부에 보관되는 음식물의 신선도를 유지시키게 된다.In addition, the air cooled through the evaporator is circulated into the freezing and refrigerating chamber by the operation of a blower fan located at one side of the evaporator, thereby lowering the temperature of the freezing compartment and the refrigerating compartment, thereby maintaining the freshness of the food stored therein.

이와 같이 구성되는 냉장고에는 증발기 주위에서 형성된 냉기의 순환을 위한 냉기 순환 시스템이 구비되어 있으며, 상기 냉기 순환 시스템는 냉장고의 종류에 따라 다양한 형태로 구성된다.The refrigerator configured as described above is provided with a cold air circulation system for circulation of cold air formed around the evaporator, and the cold air circulation system is configured in various forms according to the type of the refrigerator.

상기 냉장고의 종류 중 냉동실과 냉장실이 좌우로 수평배치된 사이드 바이 사이드(side by side)타입 냉장고에 적용되는 종래의 냉기 순환 시스템을 도 1을 참조하여 설명하면 다음과 같다,Referring to FIG. 1, a conventional cold air circulation system applied to a side by side type refrigerator in which a freezer compartment and a refrigerating compartment are horizontally arranged from side to side among the types of the refrigerator is as follows.

즉, 상기 냉기 순환 시스템은 본체(10)의 냉동실(11) 상단 후면의 송풍실(11a)에 구비된 송풍팬(20)과, 상기 냉동실(11)의 상단에 구비되어 송풍실(11a)과 연통되는 댐퍼(22)를 포함하여 이루어진다.That is, the cold air circulation system includes a blower fan 20 provided in the blower chamber 11a at the upper rear side of the freezer compartment 11 of the main body 10, and a blower chamber 11a provided at the upper end of the freezer compartment 11; It comprises a damper 22 in communication.

따라서, 냉동실(11) 내부를 순환하는 냉기는 상기 송풍팬(20)을 통해 상기 댐퍼(22)을 통과 한 후, 냉장실(12)로 공급되어 냉장실(12)을 냉각하게 되는 순환 시스템을 가지게 된다.Therefore, the cold air circulating in the freezer compartment 11 passes through the damper 22 through the blower fan 20, and is then supplied to the refrigerator compartment 12 to have a circulation system for cooling the refrigerator compartment 12. .

그러나, 상기 종래의 냉기 순환 시스템은 냉장실과 냉동실이 좌우 또는 상하로 배치되는 냉장고에는 적용이 가능하지만, 그 이상의 독립된 공간을 갖는 냉장고에는 적용이 불가능한 문제점이 있었으며, 만약에 적용을 할 경우 각각의 독립된 공간을 순환해야 하기 때문에 냉작 작용이 원활하게 이루어지지 못하는 문제점이 있었다. However, the conventional cold air circulation system can be applied to the refrigerator in which the refrigerating compartment and the freezing compartment are arranged left and right or up and down, but there is a problem that cannot be applied to the refrigerator having more independent spaces. There was a problem that the cold action is not made smoothly because the space must be circulated.

본 발명은 전술된 문제점을 해결하기 위해 안출된 것으로서, 본 발명의 목적은 복수개의 독립된 보관실을 갖는 냉장고에 하나의 연결라인을 갖는 복수개의 증 발기, 댐퍼 및 덕트를 설치하여, 상부와 하부가 별도의 냉기 순환 시스템을 갖도록 함으로써 냉각작용의 효율성 및 온도조절의 용이성을 향상시킬 수 있는 냉장고의 냉기 순환 시스템을 제공하는데 있다. The present invention has been made to solve the above problems, an object of the present invention is to install a plurality of evaporators, dampers and ducts having one connection line in the refrigerator having a plurality of independent storage compartment, the upper and lower parts are separate It is to provide a cold air circulation system of the refrigerator that can improve the efficiency of the cooling operation and the ease of temperature control by having a cold air circulation system of.

전술된 목적을 달성하기 위한 본 발명의 냉장고의 냉기 순환 시스템은, Cold air circulation system of the refrigerator of the present invention for achieving the above object,

수직 격벽을 통해 냉동실과 냉장실이 좌우로 분리 형성되고 상기 냉동실과 냉장실은 수평 격벽을 통해 각각 상하로 복수개의 독립된 공간이 형성되는 냉장고 본체, 상기 냉장고 본체의 냉동실에 각각 설치되고 하나의 라인을 통해 연결되는 구조를 가지는 복수개의 증발기, 상기 냉동실 및 냉장실의 사이의 수직 격벽 상단에 설치되며 냉기 토출구가 형성되는 댐퍼 및 상기 냉장실 및 냉동실의 수직 격벽 하단에 설치되며 냉기 흡입구가 형성되는 덕트를 포함하는 것을 특징으로 한다.The freezer compartment and the refrigerating compartment are separated from side to side through a vertical partition wall, and the freezer compartment and the refrigerating compartment are respectively installed in a freezer compartment in which a plurality of independent spaces are formed up and down through horizontal partition walls, respectively, and connected through a single line. And a plurality of evaporators having a structure that is provided, a damper installed at an upper end of the vertical partition wall between the freezer compartment and the refrigerating compartment, and a duct installed at a lower end of the vertical partition walls of the refrigerating compartment and the freezer compartment and having a cold air inlet formed therein. It is done.

여기서, 상기 복수개의 냉동실에는 상기 댐퍼의 냉기 토출구로 냉기를 강제 토출시키는 송풍팬이 각각 설치되는 것을 특징으로 한다.Here, the plurality of freezing chambers are each provided with a blowing fan for forcibly discharging cold air to the cold air discharge port of the damper.

또한, 상기 송풍팬 상부에는 루버가 설치되며, 상기 루버를 통해 냉기가 상기 댐퍼의 냉기 토출구에 공급되는 것을 특징으로 한다.In addition, a louver is installed above the blower fan, and the cool air is supplied to the cold air discharge port of the damper through the louver.

이하, 첨부된 도 2를 참조하여 본 발명의 바람직한 실시예를 상세히 설명하며, 본 발명을 설명함에 있어 전술된 종래의 구성과 동일한 형상 및 기능을 갖는 구성에 대해서는 동일한 구성부호를 사용한다.Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying FIG. 2, and in describing the present invention, the same reference numerals will be used for the same configuration and function as the above-described conventional configurations.

본 발명의 냉장고는 내부에 냉장실과 냉동실로 분리된 수납공간을 형성하는 냉장고 본체(100)와, 상기 본체(100)의 일측에 장착되어 냉동실 및 냉장실을 개폐하는 도어(미도시)로 이루어진다.The refrigerator of the present invention includes a refrigerator main body 100 that forms a storage space separated into a refrigerator compartment and a freezer compartment, and a door (not shown) mounted to one side of the main body 100 to open and close the freezer compartment and the refrigerator compartment.

상기 냉장고 구성 중 상기 냉장고 본체(100)는 4개의 독립된 보관 공간을 가지는 것으로, 수직 격벽(150)을 통해 좌우로 냉동실과 냉장실이 분리 형성되고, 상기 냉동실과 냉장실은 수평 격벽(160)을 통해 상하로 제1 및 제2 냉동실(110)(130)과 제1 및 제2 냉장실(120)(140)이 각각 분리 형성된다.In the refrigerator configuration, the refrigerator main body 100 has four independent storage spaces, and a freezing compartment and a refrigerating compartment are separated from side to side through a vertical partition wall 150, and the freezing compartment and the refrigerating compartment are vertically spaced through a horizontal partition wall 160. The first and second freezing chambers 110 and 130 and the first and second refrigerating chambers 120 and 140 are separately formed.

즉, 상기 냉장고 본체(100)는 좌측에는 제1 냉동실(110)과 제2 냉동실(130)이 상하로 배치되고, 우측에는 제1 냉장실(120)과 제2 냉장실(140)이 상하로 배치되어 4개의 독립된 보관 공간을 가지게 된다.That is, in the refrigerator main body 100, the first freezing compartment 110 and the second freezing compartment 130 are disposed up and down on the left side, and the first refrigerating chamber 120 and the second refrigerating chamber 140 are disposed up and down on the right side. It will have four independent storage spaces.

그리고, 상기 냉장고 본체(100)의 후면에는 저온 저압의 기상 냉매를 고온 고압으로 압축하는 압축기(미도시)와, 상기 압축기에 의해 압축된 고온 고압의 기상 냉매를 고압의 액상으로 전환시키는 응축기(미도시)와, 상기 응축기에 의해 형성된 액체상태의 냉매를 사용하여 주위의 공기를 냉각시키는 증발기(200)가 설치된다.The rear of the refrigerator main body 100 has a compressor (not shown) for compressing the low-temperature low-pressure gaseous refrigerant to high temperature and high pressure, and a condenser for converting the high-temperature high-pressure gas phase refrigerant compressed by the compressor into a high-pressure liquid phase (not shown). And an evaporator 200 for cooling the surrounding air by using the liquid refrigerant formed by the condenser.

상기 증발기(200)는 본 발명의 주요 기술적 구성으로, 상기 냉장고 본체(100)의 제1 및 제2 냉동실(110)(130)에 각각 설치되는 제1 및 제2 증발기(210(220)로 이루어지며, 상기 제1 및 제2 증발기(210(220)는 하나의 라인을 통해 통하는 연결구조를 가지고, 하단부는 상기 응축기(미도시)의 토출구와 연결되 며, 상단부는 상기 압축기의 리턴부와 연결된다.The evaporator 200 is a main technical configuration of the present invention, and consists of first and second evaporators 210 (220) respectively installed in the first and second freezer compartments 110 and 130 of the refrigerator body 100. The first and second evaporators 210 (220) have a connection structure through one line, the lower end is connected to the discharge port of the condenser (not shown), the upper end is connected to the return part of the compressor do.

즉, 상기 압축기 및 응축기를 통해 공급되는 액체상태의 냉매는 상기 제1 증발기(210)와, 제2 증발기(220)를 순차적으로 통과하면서 제1 냉동실(110) 및 제2 냉동실(130)의 공기를 냉각시키게 된다.That is, the liquid refrigerant supplied through the compressor and the condenser sequentially passes through the first evaporator 210 and the second evaporator 220 while allowing air in the first freezing chamber 110 and the second freezing chamber 130 to pass through. To cool.

여기서, 상기 제1 냉동실(110)과 제1 냉장실(120) 및 제 2 냉동실(130)과 제2 냉장실(140) 사이의 수직 격벽(150)에는 이들을 선택적으로 통하게 하는 전자식 댐퍼(300)와 덕트(400)가 설치된다.Here, the electronic damper 300 and the duct selectively pass through the vertical partition wall 150 between the first freezing compartment 110, the first refrigerating compartment 120, the second freezing compartment 130, and the second refrigerating compartment 140. 400 is installed.

즉, 상기 수직 격벽(150)의 상부에는 전자식 댐퍼(300)가 각각 설치되며, 하부에는 덕트(400)가 설치된다.That is, the electronic dampers 300 are respectively installed at the upper portions of the vertical bulkheads 150, and the duct 400 is installed at the lower portions thereof.

상기 전자식 댐퍼(300)는 상기 제1 및 제2 냉동실(110)(130) 내부의 냉기를 제1 및 제2 냉장실(120)(140)에 선택적으로 공급하여 제1 및 제2 냉장실(120)(140) 내부의 공기를 냉각시키기 위한 것으로, 표면에 선택적으로 개폐되는 냉기 토출구(310)가 형성되며, 상기 냉기 토출구(310)는 냉장고 본체(100)에 설치된 콘트롤박스(미도시)의 온도 제어시 선택적으로 개폐된다.The electronic damper 300 selectively supplies cold air in the first and second freezing compartments 110 and 130 to the first and second refrigerating compartments 120 and 140 so that the first and second refrigerating compartments 120 may be used. The cool air discharge port 310 is formed to selectively open and close the surface of the air, and the cold air discharge port 310 controls the temperature of a control box (not shown) installed in the refrigerator main body 100. Open and close selectively.

상기 덕트(400)는 상기 전자식 댐퍼(300)를 통해 제1 및 제2 냉장실(120)(140)에 공급된 냉기를 상기 제1 및 제2 냉동실(110)(130)에 복귀시키기 위한 것으로, 표면에는 냉기 흡입구(410)가 형성되며, 상기 냉기 흡입구(410)는 냉장고 본체(100)에 설치된 콘트롤박스의 온도 제어시 선택적으로 개폐된다.The duct 400 is for returning the cold air supplied to the first and second refrigerating chambers 120 and 140 through the electronic damper 300 to the first and second freezing chambers 110 and 130. A cold air inlet 410 is formed on a surface thereof, and the cold air inlet 410 is selectively opened and closed during temperature control of the control box installed in the refrigerator main body 100.

여기서, 상기 냉장고 본체(100)의 제1 및 제2 냉동실(110)(130)에는 냉기를 보다 효과적으로 순환시키기 위한 송풍팬(500)이 각각 설치되며, 상기 송풍팬(500) 은 상기 제1 및 제2 증발기(210)(220) 상단의 제1 및 제2 냉동실(110)(130)에 설치되어 상기 댐퍼(300)의 냉기 토출구(310)로 냉기를 강제 토출시키게 되며, 이를 통해 냉기를 강제 순환하는 시스템을 갖게 된다.Here, a blowing fan 500 for circulating cold air more effectively is installed in the first and second freezing chambers 110 and 130 of the refrigerator main body 100, respectively, and the blowing fan 500 includes the first and second cooling fans. Installed in the first and second freezer compartments 110 and 130 at the upper end of the second evaporator 210 and 220 to forcibly discharge cold air to the cold air discharge port 310 of the damper 300, thereby forcing cold air. You have a circulating system.

또한, 상기 냉장고 본체(100)에서 제1 및 제2 냉동실(110)(130)에 설치된 송풍팬(500) 상부에는 루버(600)가 설치된다.In addition, the louver 600 is installed at an upper portion of the blower fan 500 installed in the first and second freezer compartments 110 and 130 in the refrigerator main body 100.

상기 루버(600)는 상기 송풍팬(500)을 통해 발생되는 기류의 방향을 제어하기 위한 것으로, 내부에 "ㄱ"자 형상으로 관통되는 통공이 형성되어, 상기 송풍팬(500)을 통해 강제 이송되는 냉기가 상기 루버(600)의 통공을 지나 상기 댐퍼(300)의 냉기 토출구(310)로 안내된다.The louver 600 is for controlling the direction of the air flow generated through the blowing fan 500, the through-hole is formed inside the "b" shape, is forcedly conveyed through the blowing fan 500 The cool air is guided through the through hole of the louver 600 to the cold air discharge port 310 of the damper 300.

이와 같이 구성되는 냉장고의 냉기 순환 시스템의 작용을 설명하면 다음과 같다.Referring to the operation of the cold air circulation system of the refrigerator configured as described above are as follows.

냉장고 본체(100)에 설치된 압축기를 통해 저온 저압의 기상 냉매를 고온 고압으로 압축하여 응축기에 공급하며, 상기 응축기는 고온 고압으로 압축된 냉매를 고압의 액체상태로 전환하여 증발기(200)인 제1 증발기(210)에 공급하고, 상기 제1 증발기(210)에 공급된 고압의 냉매는 제2 증발기(220)를 통과 한 후 다시 압축기로 복귀하게 되는 순환 구조를 갖는다. A low temperature low pressure gaseous refrigerant is compressed to high temperature and high pressure through a compressor installed in the refrigerator main body 100, and the condenser is converted into a high pressure liquid state by converting the refrigerant compressed to high temperature and high pressure into a liquid state of high pressure. The high pressure refrigerant supplied to the evaporator 210 and supplied to the first evaporator 210 has a circulation structure that returns to the compressor after passing through the second evaporator 220.

여기서, 상기 제1 및 제2 증발기(210)(220)를 통과하는 고압의 액체상태 냉매에 의해 제1 및 제2 냉동실(110)(130)의 공기가 냉각되어 내부 온도를 조절하게 되며, 상기 냉각되는 공기 중 일부는 송풍팬(500)에 의해 상기 루버(600)로 강제 공급된 후 댐버(300)의 냉기 토출구(310)를 통해 제1 및 제2 냉장실(120)(140)로 공급되어 제1 및 제2 냉장실(120)(140)의 온도를 조절하게 된다.Here, the air of the first and second freezer compartments 110 and 130 is cooled by the high pressure liquid state refrigerant passing through the first and second evaporators 210 and 220 to adjust the internal temperature. Some of the air to be cooled is forcibly supplied to the louver 600 by the blowing fan 500 and then supplied to the first and second refrigerating chambers 120 and 140 through the cold air discharge port 310 of the damper 300. The temperature of the first and second refrigerating chambers 120 and 140 is adjusted.

이후, 상기 제1 및 제2 냉장실(120)(140)의 냉기는 덕트(400)의 냉기 흡입구(410)를 통해 다시 제1 및 제2 냉동실(110)(130)로 복귀함으로써 시계방향으로 순환되는 시스템을 형성하게 된다.Thereafter, the cold air of the first and second refrigerating chambers 120 and 140 circulates clockwise by returning back to the first and second freezing chambers 110 and 130 through the cold air inlet 410 of the duct 400. To form a system.

따라서, 상기와 같이 하나로 연결되는 증발기(200)를 통해 상부와 하부가 별도의 순환되는 냉기 순환 시스템을 형성함으로써 냉각작업의 효율성을 크게 향상시키게 된다.Therefore, by forming a cold air circulation system in which the upper and lower parts are separately circulated through the evaporator 200 connected as described above, the efficiency of the cooling operation is greatly improved.

이와 같이 본 발명의 바람직한 실시예를 설명하였으나, 본 발명은 상기 실시예에 한정되지 아니하며, 본 발명의 실시예로부터 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 용이하게 변경되어 균등하다고 인정되는 범위의 모든 변경 및 수정을 포함한다. As described above, although the preferred embodiment of the present invention has been described, the present invention is not limited to the above embodiment, and is easily changed and equivalent to those skilled in the art from the embodiments of the present invention. Includes all changes and modifications to the extent permitted.

이와 같이 구성된 본 발명은 복수개의 독립된 보관실 구조를 갖는 냉장고에 하나로 연결되는 복수개의 증발기와 댐퍼 및 덕트를 설치하여 상부와 하부에 별도의 냉기 순환 시스템을 형성함으로써 냉각 작업의 효율성을 크게 향상시킬 수 있는 효과가 있으며, 더불어 보다 안정된 온도 조절이 가능한 효과가 있다.The present invention configured as described above can install a plurality of evaporators, dampers and ducts connected to one in a refrigerator having a plurality of independent storage structure to form a separate cold air circulation system at the top and the bottom can greatly improve the efficiency of the cooling operation It is effective, and also has the effect of more stable temperature control.

Claims (3)

수직 격벽을 통해 냉동실과 냉장실이 좌우로 분리 형성되고 상기 냉동실과 냉장실은 수평 격벽을 통해 각각 상하로 복수개의 독립된 공간이 형성되는 냉장고 본체,The freezer compartment and the refrigerating compartment are separated from the left and right through a vertical partition wall, and the freezer compartment and the refrigerating compartment are each formed in a plurality of independent spaces up and down through horizontal partition walls, 상기 냉장고 본체의 냉동실에 각각 설치되고 하나의 라인을 통해 연결되는 구조를 가지는 복수개의 증발기,A plurality of evaporators, each of which is installed in a freezer compartment of the refrigerator body and connected through one line, 상기 냉동실 및 냉장실의 사이의 수직 격벽 상단에 설치되며 냉기 토출구가 형성되는 댐퍼 및A damper installed at an upper end of the vertical partition wall between the freezing compartment and the refrigerating compartment and having a cold air discharge port; 상기 냉장실 및 냉동실의 수직 격벽 하단에 설치되며 냉기 흡입구가 형성되는 덕트를 포함하는 것을 특징으로 하는 냉장고의 냉기 순환 시스템.The cold air circulation system of the refrigerator, characterized in that it comprises a duct is installed in the lower portion of the vertical partition of the refrigerating compartment and the freezing compartment is formed with a cold air inlet. 제 1 항에 있어서,The method of claim 1, 상기 복수개의 냉동실에는 상기 댐퍼의 냉기 토출구로 냉기를 강제 토출시키는 송풍팬이 각각 설치되는 것을 특징으로 하는 냉장고의 냉기 순환 시스템. And a blower fan for forcibly discharging cold air into the cold air discharge port of the damper, respectively, in the plurality of freezer compartments. 제 2 항에 있어서,The method of claim 2, 상기 송풍팬 상부에는 루버가 설치되며, 상기 루버를 통해 냉기가 상기 댐퍼의 냉기 토출구에 공급되는 것을 특징으로 하는 냉장고의 냉기 순환 시스템.A louver is installed above the blower fan, and cold air is supplied to the cold air discharge port of the damper through the louver.
KR1020060121001A 2006-12-01 2006-12-01 Air circulation system of refrigerator KR100817328B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101139586B1 (en) * 2010-01-19 2012-04-27 엘지전자 주식회사 Controlling method for refrigerator
KR101283190B1 (en) 2007-07-31 2013-07-05 엘지전자 주식회사 Refrigerator with evaporator installed in door

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JP2003121049A (en) 2001-10-05 2003-04-23 Hoshizaki Electric Co Ltd Cooling storage
KR20040085428A (en) * 2003-03-31 2004-10-08 주식회사 대우일렉트로닉스 Refrigerator that combine kimchi refrigerator
KR20060006535A (en) * 2004-07-16 2006-01-19 삼성전자주식회사 Refrigerator

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003121049A (en) 2001-10-05 2003-04-23 Hoshizaki Electric Co Ltd Cooling storage
KR20040085428A (en) * 2003-03-31 2004-10-08 주식회사 대우일렉트로닉스 Refrigerator that combine kimchi refrigerator
KR20060006535A (en) * 2004-07-16 2006-01-19 삼성전자주식회사 Refrigerator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101283190B1 (en) 2007-07-31 2013-07-05 엘지전자 주식회사 Refrigerator with evaporator installed in door
KR101139586B1 (en) * 2010-01-19 2012-04-27 엘지전자 주식회사 Controlling method for refrigerator

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