KR100884952B1 - Apparatus for supply the cool air of refrigerator - Google Patents

Apparatus for supply the cool air of refrigerator Download PDF

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Publication number
KR100884952B1
KR100884952B1 KR1020020077451A KR20020077451A KR100884952B1 KR 100884952 B1 KR100884952 B1 KR 100884952B1 KR 1020020077451 A KR1020020077451 A KR 1020020077451A KR 20020077451 A KR20020077451 A KR 20020077451A KR 100884952 B1 KR100884952 B1 KR 100884952B1
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KR
South Korea
Prior art keywords
cold air
chamber
refrigerating
refrigerating chamber
discharge
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KR1020020077451A
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Korean (ko)
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KR20040049619A (en
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김상배
박상호
강병규
최윤철
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엘지전자 주식회사
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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
    • 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
    • F25D2317/065—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 return
    • F25D2317/0653—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 return through the mullion
    • 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
    • F25D2317/065—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 return
    • F25D2317/0654—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 return through 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
    • F25D2317/0663—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 mullion
    • 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

Abstract

본 발명은 냉장고의 냉기 공급장치에 관한 것으로서, 분리벽에 의해 음식물을 냉동 보관하는 냉동실 및 냉장 보관하는 냉장실로 구획되어 그 내부에 음식물이 적재되는 본체와, 상기 본체 내부의 냉각에 필요한 냉기를 발생시키는 냉각장치가 장착된 냉각기실과, 상기 냉동실의 배면과 분리벽의 내부에 형성되어 상기 냉각기실에서 발생된 냉기를 안내하고, 상기 냉장실의 상측면에서 그 냉기를 냉장실 내부에 토출하는 상측면 냉기안내유로와, 상기 냉각기실에서 발생된 냉기를 안내하고, 상기 냉장실의 배면에 소정의 면적을 갖도록 고르게 분포된 다수개의 토출구를 통해 냉장실 내부로 그 냉기를 토출하는 배면 냉기안내유로가 구비되어 구성됨으로써, 냉장실 내부의 냉기 흐름이 원활하게 이루어지도록 한 것이다.The present invention relates to a cold air supply device for a refrigerator, which is partitioned into a freezer compartment for freezing food and a cold compartment for storing food by a partition wall, and having a body loaded with food therein, and generating cold air for cooling inside the body. A cooler chamber equipped with a cooling device for guiding the inside of the freezer compartment and an upper side of the freezer compartment for guiding cold air generated in the cooler chamber, and discharging the cold air from the upper side of the refrigerating compartment into the refrigerating compartment. A flow path and a rear cold air guide flow path for guiding the cold air generated in the cooler chamber and discharging the cold air into the refrigerating chamber through a plurality of discharge ports evenly distributed to have a predetermined area on the rear surface of the refrigerating chamber are provided. The cold air flow inside the refrigerating chamber is made to be smooth.

Description

냉장고의 냉기 공급장치{APPARATUS FOR SUPPLY THE COOL AIR OF REFRIGERATOR}Cold air supply unit of refrigerator {APPARATUS FOR SUPPLY THE COOL AIR OF REFRIGERATOR}

도 1은 종래 냉장고의 내부구조를 보인 정면도,1 is a front view showing the internal structure of a conventional refrigerator,

도 2는 도 1의 냉장고의 내부구조를 보인 측면도,Figure 2 is a side view showing the internal structure of the refrigerator of Figure 1,

도 3은 본 발명의 일 실시예인 냉기공급장치가 장착된 냉장고의 정면도,3 is a front view of a refrigerator equipped with a cold air supply device according to one embodiment of the present invention;

도 4는 도 3에 도시된 냉장고의 종단면도이고, 도 5는 도 3의 "A-A"부를 단면하여 도시한 단면도,4 is a longitudinal cross-sectional view of the refrigerator illustrated in FIG. 3, and FIG. 5 is a cross-sectional view taken along line “A-A” of FIG. 3;

도 6은 도 3의 "B-B"부분을 단면하여 도시한 단면도.FIG. 6 is a cross-sectional view taken along line “B-B” of FIG. 3. FIG.

**도면의 주요 부분에 대한 부호의 설명**** Description of the symbols for the main parts of the drawings **

20 : 냉장실 23 : 냉기안내유로 20: cold room 23: cold air guide euro

23a : 토출구 23b : 토출측 수평덕트 23a: discharge port 23b: discharge side horizontal duct

23c : 토출측 수직덕트 23d : 토출측 배면덕트 23c: discharge side vertical duct 23d: discharge side back duct

24 : 좌측 냉기안내유로 24a : 토출구 24: left side cold air flow path 24a: discharge port

24b : 좌측덕트 25 : 우측 냉기안내유로 24b: Left duct 25: Right cold air flow path

25a : 토출구 25b : 우측덕트 25a: outlet 25b: right duct

26 : 배면 냉기안내유로 26a : 토출구 26: back cold air flow path 26a: discharge port

26b : 배면덕트 27 : 냉기흡입유로 26b: back duct 27: cold air suction flow path                 

27a : 흡입구 27b : 흡입측 수직덕트 27a: suction port 27b: suction side vertical duct

본 발명은 냉장고의 냉기공급장치에 관한 것으로서, 보다 상세히 설명하면 냉장실의 냉기 공급, 회수 및 냉장실 내부의 냉기 순환이 원활하게 이루어져 냉각효율이 향상되도록 하는 냉장고의 냉기 공급장치에 관한 것이다.The present invention relates to a cold air supply device for a refrigerator, and more particularly, to a cold air supply device for supplying, recovering, and circulating a cold air in a refrigerating compartment to improve cooling efficiency.

일반적으로 냉장고는 제빙용기 및 냉동식품을 설정된 온도 하에서 보관하기 위한 냉동실과 냉장 대상물이 수납되는 냉장실로 구획되어 있으며, 내부에 냉동사이클장치가 설치되어 압축, 응축, 팽창, 증발의 냉동사이클로 순환되고, 순환회로중 증발기에서 외부의 열을 흡수하는 것을 이용하여 내부를 냉동, 냉장 상태로 유지하는 것이다.In general, the refrigerator is divided into a freezer compartment for storing ice-making containers and frozen foods at a set temperature, and a refrigerating compartment in which refrigeration objects are stored, and a refrigeration cycle device is installed therein to circulate the refrigeration cycle of compression, condensation, expansion, and evaporation. The evaporator in the circulation circuit absorbs the heat from the outside to keep the inside frozen and refrigerated.

이러한 종래 냉장고에 있어 냉장실로 냉기를 공급하는 구조 및 냉기 공급과정을 첨부된 도면을 참조하여 설명하면 다음과 같다.Referring to the accompanying drawings, a structure and a cold air supply process for supplying cold air to the refrigerating chamber in the conventional refrigerator are as follows.

도 1은 종래 냉장고의 내부구조를 보인 정면도이고, 도 2는 도 1의 냉장고의 내부구조를 보인 측면도로써, 도 1 및 도 2에 도시한 바와 같이 냉장고는 본체(1)의 일정부위에 장착된 분리벽(16)에 의해 냉동실(10)과 냉장실(20)로 나뉘어져 구획되고, 그 냉기 공급구조를 살펴보면, 저온 저압의 냉매가 내부를 통과하는 증발기(3)에서 열교환 되어 냉각된 냉기의 일부는 제1송풍팬(13)에 의해 강제 송풍되어 쉬라우드(Shroud)(14)를 거쳐 상기 냉동실(10)로 공급되고, 나머지 냉기의 일부는 상기 쉬라우드(14)를 거쳐 자유낙하 하여 덕트(15)를 통하여 상기 냉장실(20)측으로 안내된다.1 is a front view illustrating an internal structure of a conventional refrigerator, and FIG. 2 is a side view illustrating an internal structure of the refrigerator of FIG. 1, and as shown in FIGS. 1 and 2, the refrigerator is mounted at a predetermined portion of the main body 1. The freezing chamber 10 and the refrigerating chamber 20 are divided and partitioned by the dividing wall 16. Looking at the cold air supply structure, a part of the cold air cooled by heat exchange in the evaporator 3 through which the low temperature and low pressure refrigerant passes through The air is forcedly blown by the first blowing fan 13 and supplied to the freezing chamber 10 through the shroud 14, and a part of the remaining cold air falls freely through the shroud 14 to allow the duct 15 to freeze. Guide to the refrigerating compartment 20 side through).

상기 냉장실(20)로의 냉기 공급은 상기 본체(1)의 후방에 길이 방향으로 형성되며 상기 쉬라우드(14)와 상기 냉장실(20)을 연결하는 덕트(15)를 통해 냉기가 자유낙하 하면서, 상기 덕트(15)의 전면에 형성된 다수개의 토출구(15a)를 통하여 상기 냉장실(20)로 공급되도록 구성되어 있다.The cold air supply to the refrigerating chamber 20 is formed in the longitudinal direction at the rear of the main body 1, and the cold air is freely dropped through the duct 15 connecting the shroud 14 and the refrigerating chamber 20, It is configured to be supplied to the refrigerating chamber 20 through a plurality of discharge ports 15a formed on the front surface of the duct 15.

이와 같은 과정을 통하여 상기 냉동실(10) 및 냉장실(20)에 공급된 냉기는 내부에 적재된 음식물을 냉각시킨 후, 상기 분리벽(16)의 내부에 형성된 흡입로(16a)를 통해 다시 증발기(3) 부근으로 재 유입되어 재 냉각된다.The cold air supplied to the freezing compartment 10 and the refrigerating compartment 20 through such a process cools the food loaded therein, and then again evaporates through the suction passage 16a formed in the separation wall 16. 3) It is reintroduced to the vicinity and recooled.

그러나, 상기와 같은 종래의 냉장고에 있어서, 상기 냉장실(20)의 토출구(15a) 주위에 보관된 음식물은 저온의 냉기와 직접 접촉하게 되어 냉해를 입는 경우가 발생되기도 하고, 식품의 변질을 초래하기도 한다.However, in the conventional refrigerator as described above, the food stored around the discharge port 15a of the refrigerating chamber 20 is in direct contact with the low temperature cold and may cause cold damage, and may cause food to be deteriorated. do.

이와는 달리 상기 토출구(15a)에서 멀리 위치한 음식물은 적정하게 냉각되지 않게 되어 불균일한 온도분포로 인해 냉각 효율이 저하되는 문제점이 발생하게 된다.On the contrary, the food located far from the discharge port 15a is not cooled properly, resulting in a problem that cooling efficiency is lowered due to uneven temperature distribution.

상기와 같은 점을 감안하여 안출한 본 발명의 목적은 냉장실의 상측면에 형성된 토출구와 배면에 고르게 형성된 토출구를 통해 냉기의 토출을 고르게 분산시킴으로써, 냉장실 내부의 냉기순환이 원활해지도록 한 냉장고의 냉기공급장치에 관한 것이다.The object of the present invention devised in view of the above point is to distribute the discharge of cold air evenly through the discharge port formed on the upper side of the refrigerating compartment and the discharge port formed evenly on the back, the cold air of the refrigerator to smooth the cold air circulation inside the refrigerating compartment It relates to a supply device.

상기와 같은 본 발명의 목적을 달성하기 위한 냉장고의 냉기공급장치는 분리벽에 의해 음식물을 냉동 보관하는 냉동실 및 냉장 보관하는 냉장실로 구획되어 그 내부에 음식물이 적재되는 본체와, 상기 본체 내부의 냉각에 필요한 냉기를 발생시키는 냉각장치가 장착된 냉각기실과, 상기 냉동실의 배면과 분리벽의 내부에 형성되어 상기 냉각기실에서 발생된 냉기를 안내하고, 상기 냉장실의 상측면에서 그 냉기를 냉장실 내부에 토출하는 상측면 냉기안내유로와, 상기 냉각기실에서 발생된 냉기를 안내하고, 상기 냉장실의 배면에 소정의 면적을 갖도록 고르게 분포된 다수개의 토출구를 통해 냉장실 내부로 그 냉기를 토출하는 배면 냉기안내유로가 구비되어 구성된다.The cold air supply device of the refrigerator for achieving the object of the present invention as described above is divided into a freezer compartment for freezing and storing the food by the separation wall and a refrigerator compartment for storing the food therein, and the food is loaded therein, and cooling the inside of the body A cooler chamber equipped with a cooling device for generating cold air required for cooling, and formed in the rear of the freezing chamber and inside the separating wall to guide the cool air generated in the cooler chamber, and discharge the cold air into the refrigerating chamber from an upper side of the refrigerating chamber. The upper side cold air flow path for guiding the cold air generated in the cooler chamber, and the rear cold air flow path for discharging the cold air into the refrigerating chamber through a plurality of discharge ports evenly distributed to have a predetermined area on the rear surface of the refrigerating chamber. It is provided and configured.

이하 본 발명의 목적을 달성하기 위한 냉장고의 냉기공급장치를 첨부된 도면을 참조하여 보다 상세히 설명하면 다음과 같고, 종래 구조와 동일한 부분에 대하여는 동일한 부호를 부여하여 설명한다.Hereinafter, a refrigerator air supply apparatus for a refrigerator for achieving the object of the present invention will be described in detail with reference to the accompanying drawings, and the same parts as in the conventional structure will be described with the same reference numerals.

도 3은 본 발명의 일 실시예인 냉기공급장치가 장착된 냉장고의 정면도이고, 도 4는 도 3에 도시된 냉장고의 종단면도이고, 도 5는 도 3의 "A-A"부를 단면하여 도시한 단면도이고, 도 6은 도 3의 "B-B"부분을 단면하여 도시한 단면도로써, 도시된 바와 같이 본 발명의 일 실시예인 냉기공급장치가 장착된 냉장고는 본체(1)와, 상기 본체(1) 내부에 일체화된 분리벽(16)에 의해 양분되어 음식물을 냉동 보관하는 냉동실(10) 및 냉장 보관하는 냉장실(20)과, 상기 본체(1)의 전면에 설치되어 냉동실(10)을 개폐하는 냉동실도어(11) 및 냉장실(20)을 개폐하는 냉장실도어(21) 와, 상기 냉장실(10) 및 냉동실(20)의 냉각에 필요한 냉기를 발생시키는 냉동사이클이 구비되어 구성된다.3 is a front view of a refrigerator equipped with a cold air supply device according to an embodiment of the present invention, FIG. 4 is a longitudinal cross-sectional view of the refrigerator shown in FIG. 3, and FIG. 5 is a cross-sectional view taken along the line “AA” of FIG. 3. FIG. 6 is a cross-sectional view of the “BB” portion of FIG. 3, wherein a refrigerator equipped with a cold air supply device according to an embodiment of the present invention, as illustrated, includes a main body 1 and an inside of the main body 1. The freezing chamber 10 which is nutrientd by the integrated partition wall 16 to freeze and store food, and the refrigerating chamber 20 which is refrigerated, and the freezing chamber door which is installed in front of the main body 1 and opens and closes the freezing chamber 10 ( 11) and a refrigerating chamber door 21 for opening and closing the refrigerating chamber 20, and a refrigerating cycle for generating cold air necessary for cooling the refrigerating chamber 10 and the freezing chamber 20.

상기 냉동실(10)은 상기 본체(1)의 상기 냉장실도어(11)가 설치된 방향의 반대 방향인 후방에 형성된 쉬라우드(Shroud)(14)에 의해 구획된 냉각기실(2)과, 상기 냉각기실(2) 내부에 장착되어 냉기를 발생시키는 냉각장치인 증발기(3)와, 상기 증발기(3)의 상측에 장착되어 상기 증발기(3)에 의해 만들어진 냉기가 유동되도록 강제 송풍시키는 송풍팬(13)과, 상기 송풍팬(13)의 전면에 형성되어 냉기의 흐름을 제어하고 상기 냉동실(10)에 연통된 냉동실 토출구(12a)가 형성된 그릴(12)이 구비되어 구성된다.The freezer compartment (10) is a cooler chamber (2) partitioned by a shroud (14) formed in the rear of the main body 1 opposite to the direction in which the refrigerating chamber door 11 is installed, and the cooler chamber (2) an evaporator (3) which is mounted inside and generates cooling air, and a blowing fan (13) mounted on the upper side of the evaporator (3) to forcibly blow the cold air generated by the evaporator (3) to flow. And a grill 12 formed on the front surface of the blower fan 13 to control the flow of cold air and having a freezer compartment discharge port 12a communicating with the freezer compartment 10.

상기 냉장실(20)은 상기 냉장실(20) 내에 식품 등을 안착시킬 수 있게 다층으로 장착되는 복수 개의 선반(22)과, 상기 냉동실(10)의 배면 및 분리벽(16)의 내부에 형성되어 상기 냉각기실(2)에서 발생된 냉기를 안내하고, 상기 냉장실 상측면 일정부위를 통해 그 냉기를 냉장실 내부에 토출하는 상측면 냉기안내유로와(23)와, 상기 분리벽(16)의 내부와 냉장실(20)의 좌, 우측면에 형성되어 상기 냉각기실(2)에서 발생된 냉기를 안내하고, 상기 냉장실(20)의 좌, 우측면에서 그 냉기를 냉장실(20) 내부에 토출하는 좌, 우측 냉기안내유로(24, 25)와, 상기 냉장실(20)의 배면의 내부에 형성되어 냉각기실(2)에서 발생된 냉기를 안내하고, 상기 냉장실(20)의 배면에 소정의 면적을 갖도록 고르게 분포된 다수개의 토출구(26a)를 통해 냉장실 내부로 그 냉기를 토출하는 배면 냉기안내유로(26)와, 상기 냉장실(20)의 배면 하측부에 형성되어 상기 냉각기실(2)까지 연통되고 상기 냉장실(20) 내부에 공급된 냉기를 흡입하여 상기 냉각기실(2)까지 냉기를 안내하는 냉기흡입유로(27)가 구비되어 구성된다.The refrigerating compartment 20 is formed in a plurality of shelves 22 mounted in multiple layers so as to seat food, etc. in the refrigerating compartment 20, and a rear surface of the freezing compartment 10 and a partition wall 16. An upper side cold air guide passage 23 for guiding the cold air generated in the cooler chamber 2 and discharging the cold air to the inside of the refrigerating chamber through a predetermined portion of the upper side of the refrigerating chamber; It is formed on the left and right sides of the (20) guides the cold air generated in the cooler chamber (2), and the left and right cold air guide for discharging the cold air into the refrigerating chamber (20) in the left and right sides of the refrigerating chamber (20) A plurality of flow paths 24 and 25 formed inside the rear surface of the refrigerating chamber 20 to guide the cold air generated in the cooler chamber 2 and evenly distributed to have a predetermined area on the rear surface of the refrigerating chamber 20. Cold air that discharges the cold air into the refrigerating chamber through the two discharge ports 26a. The internal flow path 26 and the lower portion of the refrigerating chamber 20 is formed in communication with the cooler chamber 2 and suck the cold air supplied into the refrigerating chamber 20 to cool the air to the cooler chamber 2. The guided cold air suction passage 27 is provided.

상기 상측면 냉기안내유로(23)는 상기 냉장실(20)의 상측면 전면부에 수평하게 등 간격으로 다수개 형성된 토출구(23a)와, 상기 토출구(23a)에 접하도록 수평하게 연통되어 냉기를 안내하는 토출측 수평덕트(23b)와, 상기 분리벽(16)의 내부에 상기 토출측 수평덕트(23b)와 수직하게 연통된 토출측 수직덕트(23c)와, 일측 끝단은 상기 토출측 수직덕트(23c)에 연통되고 타측 끝단은 상기 냉각기실(2)에 연통되도록 상기 냉동실(10)의 배면에 형성된 토출측 배면덕트(23d)로 구성된다.The upper side cold air guide passage 23 is horizontally connected to contact the discharge port 23a with a plurality of discharge ports 23a formed at equal intervals horizontally on the upper surface of the upper side of the refrigerating chamber 20 to guide the cold air. The discharge side horizontal duct 23b, the discharge side vertical duct 23c which is vertically communicated with the discharge side horizontal duct 23b, and the one end thereof communicates with the discharge side vertical duct 23c. And the other end is composed of the discharge side back duct 23d formed on the rear surface of the freezing chamber 10 to communicate with the cooler chamber (2).

상기 좌측 냉기안내유로(24)는 선반(22)에 의해 구획되는 냉장실(20)의 각 칸에 적어도 하나씩 형성된 토출구(24a)와, 상기 냉기안내유로(23)의 토출측 수직덕트(23c)에 연통되고 각각의 토출구(24a)에 연통되도록 냉장실(20)의 좌측면 내부에 수직하게 형성된 좌측 덕트(24b)로 이루어진다.The left cold air guide passage 24 communicates with at least one discharge port 24a formed in each compartment of the refrigerating chamber 20 partitioned by the shelf 22 and the discharge side vertical duct 23c of the cold air guide passage 23. And a left duct 24b formed perpendicularly to the inside of the left side of the refrigerating chamber 20 so as to communicate with each discharge port 24a.

상기 우측 냉기안내유로(25)는 선반(22)에 의해 구획되는 냉장실(20)의 각 칸에 적어도 하나씩 형성된 토출구(25a)와, 상기 냉기안내유로(23)의 토출측 배면덕트(23d)에 연통되고 각각의 토출구(25a)에 연통되도록 냉장실(20)의 좌측면 내부에 수직하게 형성된 우측 덕트(25b)로 이루어진다.The right cold air guide passage 25 communicates with at least one discharge port 25a formed in each compartment of the refrigerating compartment 20 partitioned by the shelf 22 and a discharge side rear duct 23d of the cold air guide passage 23. And a right duct 25b formed perpendicularly to the inside of the left side of the refrigerating chamber 20 to communicate with each discharge port 25a.

상기 배면 냉기안내유로(26)는 상기 냉장실(20)의 배면에 일정한 행과 열을 갖도록 형성되어 소정의 면적에 고르게 분포된 다수개의 토출구(26a)와, 각각의 토출구(26a)에 연통되도록 냉장실(20)의 배면에 형성되는 동시에 상기 냉각기실(2)에 연통되어 냉각기실(2)의 냉기를 토출구(26a)로 안내하는 배면덕트(26b)로 이루어진 다.The rear cold air guide passage 26 is formed to have a predetermined row and column on the rear surface of the refrigerating chamber 20, and the plurality of discharge ports 26a evenly distributed in a predetermined area, and the refrigerating chamber to communicate with each discharge port 26a. The back duct 26b is formed on the rear surface of the chamber 20 and communicates with the cooler chamber 2 to guide the cool air of the cooler chamber 2 to the discharge port 26a.

상기 냉기흡입유로(27)는 상기 선반(22)에 의해 구획되는 각각의 냉장실(20)칸 중에서 최 하단부 배면에 형성된 흡입구(27a)와, 흡입구(26a)에 연통되도록 상기 냉장실(20)의 배면에 형성되며 동시에 상기 냉각기실(2)에 연통되어 상기 냉장실(20) 내부에 공급된 냉기를 흡입한 후 상기 냉각기실(2)로 안내하여 상기 증발기(3)에 의해 재 냉각되도록 하는 흡입측 수직덕트(27b)로 이루어진다.The cold air suction passage 27 is a suction port 27a formed at the bottom rear surface of each refrigerator compartment 20 compartment partitioned by the shelf 22 and a rear surface of the refrigerating compartment 20 to communicate with the suction port 26a. A suction side vertical which is connected to the cooler chamber 2 at the same time and sucks the cold air supplied into the refrigerating chamber 20 and guides the cooler chamber 2 to be recooled by the evaporator 3. It consists of a duct 27b.

상기와 같이 구성된 냉장고에 전원을 공급시키면 상기 냉장고의 내부에 장착되어 상기 냉동사이클을 구성하는 압축기가 구동되어 저온, 저압의 기체냉매를 고온, 고압의 기체냉매로 압축시키고 이 압축된 고온, 고압의 기체냉매는 응축기를 지나면서 고온, 고압의 액체냉매로 응축되어진다.When power is supplied to the refrigerator configured as described above, a compressor constituting the refrigeration cycle is driven inside the refrigerator to compress a low-temperature, low-pressure gas refrigerant into a high-temperature, high-pressure gas refrigerant. Gas refrigerant is condensed into a high-temperature, high-pressure liquid refrigerant passing through the condenser.

상기 응축된 고온, 고압의 액체냉매는 팽창밸브를 거치면서 저온, 저압의 액체냉매로 변환되고, 상기 저온, 저압의 액체냉매는 상기 증발기(3)를 지나면서 저온, 저압의 기체냉매로 변환되면서 증발되고, 상기 증발기(3)의 증발작용에 의해 주위의 공기가 열 교환되어 주변의 공기를 냉각시키므로 냉기가 발생되는 것이다.The condensed high temperature and high pressure liquid refrigerant is converted into a low temperature and low pressure liquid refrigerant through an expansion valve, and the low temperature and low pressure liquid refrigerant is converted into a low temperature and low pressure gas refrigerant while passing through the evaporator (3). By evaporation, the surrounding air is heat exchanged by the evaporation of the evaporator 3 to cool the surrounding air, thereby generating cold air.

이와 같이 발생된 냉기의 일부는 상기 본체(1)의 배면 상부에 설치된 송풍팬(13)의 회전에 의해 강제 송풍되고, 상기 냉동실 토출구(12a)를 통해 상기 냉동실(10) 내부로 공급되어 저장된 음식물을 일정 온도까지 냉각시키고, 나머지 냉기는 토출측 배면덕트(23d)를 통해 냉장실(20)측으로 안내된다.Part of the cold air generated as described above is forcedly blown by the rotation of the blower fan 13 installed on the rear surface of the main body 1, and is supplied to and stored in the freezer compartment 10 through the freezer compartment outlet 12a. Is cooled to a predetermined temperature, and the remaining cold air is guided to the refrigerating chamber 20 side through the discharge side back duct 23d.

상기 토출측 배면덕트(23d)를 통해 토출측 수직덕트(23C)로 안내된 냉기는 토출측 수평덕트(23b)의 일측면에 관통되어 형성된 토출구(23a)를 통해 냉장실(20) 내부로 토출되며, 냉기의 자중에 의하여 하단부까지 자유 낙하된다.The cold air guided to the discharge side vertical duct 23C through the discharge side rear duct 23d is discharged into the refrigerating chamber 20 through the discharge port 23a formed through one side of the discharge side horizontal duct 23b. Free fall to the lower end by its own weight.

또한, 상기 토출측 배면덕트(23d)에 안내된 냉기의 일부는 토출측 수직덕트(23c)를 통해 좌측덕트(24b)로 안내되고, 좌측덕트(24b)를 통해 안내된 그 냉기는 토출구(24a)를 통해 토출되어 좌측면 주위부터 차례로 냉각하고, 상기 토출측 배면덕트(23d)에 안내된 나머지 일부의 냉기는 우측덕트(25b)로 안내되고, 우측덕트(25b)에 안내된 그 냉기는 토출구(25a)를 통해 토출되어 우측면 주위부터 차례로 냉각하게 된다.In addition, a part of the cold air guided to the discharge side back duct 23d is guided to the left duct 24b through the discharge side vertical duct 23c, and the cold air guided to the left duct 24b passes through the discharge port 24a. The cool air discharged through the left side surface is sequentially cooled, and the remaining cool air guided to the discharge side rear duct 23d is guided to the right duct 25b, and the cool air guided to the right duct 25b is discharge port 25a. It is discharged through the cooling from the right side around in turn.

또한, 상기 토출측 배면덕트(23d)에 안내된 냉기의 일부는 냉장실(20)의 배면에 형성된 배면덕트(26b)를 통해 냉장실(20) 측으로 이동하고, 그 냉기는 배면에 고르게 분포된 토출구(26a)를 통해 전면에 고르게 토출된다.In addition, a part of the cold air guided by the discharge side rear duct 23d is moved to the refrigerating chamber 20 side through the rear duct 26b formed on the rear surface of the refrigerating chamber 20, and the cold air is discharge outlet 26a evenly distributed on the rear surface. It is evenly discharged to the front through).

각각의 토출구들을 통해 냉장실(20)로 토출된 냉기는 자유낙하하며 상기 냉장실(20)의 내부에 보관된 음식물을 적정 온도로 냉각한 후, 최하 칸에 모이게 되고, 그 냉기는 냉장실(20)의 배면 하단부에 형성된 흡입구(27a)를 통해 흡입되고, 흡입된 냉기는 상기 흡입측 수직덕트(27b)를 통해 상기 냉각기실(2)로 다시 유입되어 상기 증발기(3)에 의해 재 냉각되며, 재 순환되는 것이다.The cold air discharged into the refrigerating compartment 20 through each of the outlets is freely dropped, and after cooling the food stored in the refrigerating compartment 20 to an appropriate temperature, the cold air is collected in the lowermost compartment, and the cold air of the refrigerating compartment 20 is The suctioned cold air is sucked into the cooler chamber 2 through the suction side vertical duct 27b and re-cooled by the evaporator 3 and recirculated through the suction port 27a formed at the bottom of the rear surface. Will be.

이와 같이 본 발명에 의한 냉장고의 냉기 공급장치는 냉장실의 상측면에 형성된 냉기안내유로의 토출구를 통해 샤워식으로 냉기를 토출하고, 또한, 좌, 우측면의 토출구를 통해 냉기를 토출하며, 상기 냉장실 배면의 전면적에 걸쳐 고르게 형성되어 냉기를 토출하는 토출구를 통해 냉장실 내부에 냉기를 공급함과 동시에 냉장실의 배면 최하 칸에 형성된 흡입구를 통해 냉기를 흡입함으로써, 냉장실 내부 의 냉기 흐름이 원활하게 이루어지는 것을 특징으로 한다.As described above, the cold air supply device of the refrigerator according to the present invention discharges cold air through the discharge port of the cold air guide flow path formed on the upper side of the refrigerating compartment, and discharges the cold air through the discharge ports on the left and right sides, and the rear side of the refrigerating compartment. It is formed evenly over the entire area to supply the cold air into the refrigerating chamber through the discharge port for discharging the cold air and at the same time by inhaling the cold air through the suction port formed in the lower compartment of the rear side of the refrigerating chamber, it is characterized in that the cold air flow inside the refrigerating chamber smoothly flows. .

이상에서 살펴본 바와 같이 본 발명에 의한 냉장고의 냉기 공급장치는 냉장실의 상측면에 형성된 냉기안내유로의 토출구를 통해 샤워식으로 냉기를 토출하고, 또한, 좌, 우측면의 토출구를 통해 냉기를 토출하여 냉장실 내부에 냉기를 공급하며, 상기 냉장실 배면의 전면적에 일정한 열과 행을 이루도록 형성된 토출구를 통해 냉장실 내부에 냉기를 공급하여 상기 냉장실의 전면적에 걸쳐 고르게 냉기를 공급함과 동시에 냉장실 배면 최하 칸에 형성된 흡입구를 통해 냉기를 흡입함으로써, 냉장실 내부의 냉기 흐름이 원활하게 이루어져 냉장고의 냉각효율이 향상되는 효과가 있다.As described above, the cold air supply apparatus of the refrigerator according to the present invention discharges cold air through a discharge port of a cold air guide flow path formed on an upper side of the refrigerating chamber, and also discharges cold air through the discharge holes on the left and right sides of the refrigerator compartment. It supplies cold air to the inside, and supplies the cold air to the inside of the refrigerating chamber through a discharge port formed to form a constant row and row on the entire area of the rear surface of the refrigerating chamber to supply the cool air evenly over the entire area of the refrigerating chamber and at the same time through the suction port formed at the lower compartment of the rear side of the refrigerating chamber. By inhaling cold air, the cool air flows smoothly inside the refrigerating chamber, thereby improving the cooling efficiency of the refrigerator.

Claims (3)

분리벽에 의해 음식물을 냉동 보관하는 냉동실 및 냉장 보관하는 냉장실로 구획되어 그 내부에 음식물이 적재되는 본체와, A main body which is partitioned into a freezer compartment for freezing food and a refrigerating compartment for storing food by a partition wall, and having the food loaded therein; 상기 본체 내부의 냉각에 필요한 냉기를 발생시키는 냉각장치가 장착된 냉각기실과, A cooler chamber equipped with a cooling device for generating cold air required for cooling inside the main body; 상기 냉동실의 배면과 분리벽의 내부에 형성되어 상기 냉각기실에서 발생된 냉기를 안내하고, 상기 냉장실의 상측면에서 그 냉기를 냉장실 내부에 토출하는 상측면 냉기안내유로와, An upper side cold air guide flow path formed in the rear surface of the freezing chamber and inside the separating wall to guide cold air generated in the cooler chamber, and discharge the cold air into the refrigerating chamber from an upper side of the refrigerating chamber; 상기 냉각기실에서 발생된 냉기를 안내하고, 상기 냉장실의 배면에 소정의 면적을 갖도록 고르게 분포된 다수개의 토출구를 통해 냉장실 내부로 그 냉기를 토출하는 배면 냉기안내유로가 구비되어 구성되고,And a rear cold air guide flow path for guiding the cold air generated in the cooler chamber and discharging the cold air into the refrigerating chamber through a plurality of discharge ports evenly distributed to have a predetermined area on the rear surface of the refrigerating chamber. 상기 냉장실의 상측면 전면부에 냉기가 토출되는 토출구가 수평하게 형성되고, 상기 상측면 냉기안내유로는 상기 토출구에 연통되어 상기 토출구를 통해 냉기가 토출되도록 냉기를 안내하는 토출측 수평덕트와, 상기 냉동실의 배면 및 분리벽의 일정부분을 통해 상기 냉각기실과 상기 토출측 수평덕트가 연통되어 상기 냉각장치에서 발생된 냉기를 안내하는 토출측 수직덕트가 구비되어 구성되는 것을 특징으로 하는 냉장고의 냉기 공급장치.A discharge port through which cold air is discharged horizontally formed at an upper surface of the upper side of the refrigerating chamber, and the horizontal side duct of the upper side cold air guide passage communicating with the discharge port and guiding the cold air to discharge the cold air through the discharge port; And a discharge side vertical duct configured to communicate the cooler chamber and the discharge side horizontal duct through a portion of the rear surface and the separation wall to guide the cool air generated in the cooling apparatus. 삭제delete 제 1항에 있어서, 상기 배면 냉기안내유로의 토출구는 상기 냉장실의 배면에 일정한 행과 열을 갖도록 형성되어 구성되는 것을 특징으로 하는 냉장고의 냉기 공급장치.The refrigerator air supply apparatus according to claim 1, wherein the discharge port of the rear cold air guide flow passage is formed to have a predetermined row and column on the rear surface of the refrigerating compartment.
KR1020020077451A 2002-12-06 2002-12-06 Apparatus for supply the cool air of refrigerator KR100884952B1 (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05133667A (en) * 1991-11-08 1993-05-28 Sanyo Electric Co Ltd Cold air guide device of refrigerator
KR19980073347A (en) * 1997-03-14 1998-11-05 배순훈 Refrigerator with air curtain generator
KR19980084860A (en) * 1997-05-26 1998-12-05 배순훈 Refrigeration air supply unit
KR0169616B1 (en) * 1996-04-25 1999-01-15 구자홍 Temperature control method and device of a refrigerator
KR19990012490A (en) * 1997-07-29 1999-02-25 배순훈 Cold air circulator of refrigerator
JPH1151537A (en) * 1997-05-28 1999-02-26 Lg Electron Inc Cold air supply structure of refrigerator
KR20000060146A (en) * 1999-03-12 2000-10-16 구자홍 Refrigerator with exclusive use of kimchee
KR20020078670A (en) * 2001-04-07 2002-10-19 엘지전자주식회사 A cooling air circulation structure for refrigerator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05133667A (en) * 1991-11-08 1993-05-28 Sanyo Electric Co Ltd Cold air guide device of refrigerator
KR0169616B1 (en) * 1996-04-25 1999-01-15 구자홍 Temperature control method and device of a refrigerator
KR19980073347A (en) * 1997-03-14 1998-11-05 배순훈 Refrigerator with air curtain generator
KR19980084860A (en) * 1997-05-26 1998-12-05 배순훈 Refrigeration air supply unit
JPH1151537A (en) * 1997-05-28 1999-02-26 Lg Electron Inc Cold air supply structure of refrigerator
KR19990012490A (en) * 1997-07-29 1999-02-25 배순훈 Cold air circulator of refrigerator
KR20000060146A (en) * 1999-03-12 2000-10-16 구자홍 Refrigerator with exclusive use of kimchee
KR20020078670A (en) * 2001-04-07 2002-10-19 엘지전자주식회사 A cooling air circulation structure for refrigerator

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