KR19980020674A - Cold air circulation structure of the refrigerator - Google Patents
Cold air circulation structure of the refrigerator Download PDFInfo
- Publication number
- KR19980020674A KR19980020674A KR1019960039242A KR19960039242A KR19980020674A KR 19980020674 A KR19980020674 A KR 19980020674A KR 1019960039242 A KR1019960039242 A KR 1019960039242A KR 19960039242 A KR19960039242 A KR 19960039242A KR 19980020674 A KR19980020674 A KR 19980020674A
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- South Korea
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- suction
- duct
- cold air
- discharge
- refrigerating chamber
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Classifications
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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
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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
- 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
- F25D2317/0655—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 top
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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
- 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
- F25D2317/0665—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 top
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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
본 발명은 냉장고의 냉장실 냉기순화구조에 관한 것으로, 종래에는 냉장실에 장착되는 각 덕트선반의 하측으로 분출된 찬냉기가 수납물과의 접촉으로 더워진 다음 상승함에도 불구하고, 그 상승하는 더운 냉기를 흡수하기 위한 냉장실 흡입구가 상기 냉장실 토출구보다 하측에 형성되어, 더운 냉기가 찬냉기 보다 낮은 위치에서 순환하는 현상이 발생하게 되므로 효율적인 냉기순환을 방해하는 구조적인 요인으로 지적되어 왔던 바, 본 발명에서는 냉각실과 연통되는 냉장실 덕트의 전면(前面)에 수개의 냉장실, 흡,토출구를 동일 수평선상에 형성하고, 그 각각의 냉장실 흡,토출구에 흡,토출공이 각각 구비되어 흡,토출유로가 형성된 덕트선반을 삽입,연통시킴으로써, 상기 냉장실 토출구와 냉장실 흡입구 및 냉기흡,토출공이 동일 수평선상에 위치하게 되므로 상기 덕트선반의 냉기 토출공에서 낙하되는 냉기가 하부의 수납물과 접촉하여 충분히 열교환된 다음 원활하게 냉기 흡입공을 거쳐 냉장실 흡입덕트로 귀환하도록 하는 효과가 있다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cold storage structure of a refrigerator compartment of a refrigerator. In the related art, a cold air that is ejected to the lower side of each duct shelf mounted in the refrigerator compartment is heated and then rises in contact with an object, and the rising hot cold air is raised. The refrigerator compartment suction port for absorbing is formed at the lower side than the outlet of the refrigerator compartment, so that the phenomenon that the hot cold air circulates at a lower position than the cold refrigerator has been pointed out as a structural factor that prevents efficient cold air circulation. On the front surface of the refrigerating chamber duct communicating with the chamber, several refrigerating chambers, suction and discharge ports are formed on the same horizontal line, and each of the refrigerating chamber suction and discharge ports is provided with suction and discharge holes, respectively. By inserting and communicating, the refrigerating chamber discharge port, refrigerating chamber suction port, cold air suction and discharge hole are located on the same horizontal line. Therefore, there is an effect that the cold air falling from the cold air discharge hole of the duct shelf is sufficiently heat exchanged in contact with the lower storage and then smoothly returned to the cold room suction duct through the cold air suction hole.
Description
본 발명은 냉장고의 냉장실에 관한 것으로, 특히 냉장실 흡,토출덕트가 구비된 냉장실 덕트에 각각 냉장실 흡,토출구를 동일 수평선상에 형성하고, 그 냉장실 흡,토출구에 냉기 흡,토출공이 구비되어 흡,토출유로가 형성된 덕트선반을 삽입,연통시켜 냉장실의 냉기가 원활하게 순환되도록 한 냉장고의 냉장실 냉기순환구조에 관한 것이다.The present invention relates to a refrigerator compartment of a refrigerator, and in particular, the refrigerator compartment suction and discharge outlets are formed on the same horizontal line in the refrigerator compartment duct provided with the refrigerator compartment suction and discharge ducts, respectively, and the cold room suction and discharge holes are provided at the refrigerator compartment suction and discharge outlets. It relates to a refrigerator compartment cold air circulation structure of the refrigerator for inserting and communicating with the duct shelf formed with the discharge passage so that the cold air in the refrigerator compartment smoothly circulated.
일반적으로 덕트선반에 의해 냉장실을 냉각하는 냉장고는 도 1에 도시된 바와 같이 구성된다.In general, the refrigerator for cooling the refrigerating compartment by the duct shelf is configured as shown in FIG.
즉, 상기 냉장고는 냉동실(1)과 냉장실(2)이 중간벽(3)으로 구획되는데, 그 중에서 냉동실(1)의 후벽측에는 증발기(4a)와 송풍팬(4b)을 포함한 냉각실(4)이 설치되며, 그 냉각실(4)의 전방측에는 쉬라우드와 그릴팬(5)이 부착되고, 그 쉬라우드와 그릴팬(5)이 상측에는 냉동실 토출구(미도시)가 형성되고, 그 하측에는 냉동실 흡입구(미도시)가 형성되어 있다.That is, the refrigerator has a freezing compartment 1 and a refrigerating compartment 2 divided into an intermediate wall 3, of which the cooling chamber 4 includes an evaporator 4a and a blowing fan 4b on the rear wall side of the freezing compartment 1. The shroud and the grill pan 5 are attached to the front side of the cooling chamber 4, and the shroud and the grill pan 5 are formed at the upper side, and a freezer discharge port (not shown) is formed at the lower side thereof. A freezer compartment inlet (not shown) is formed.
한편, 상기 냉장실(2)의 후벽측에는 냉장실 덕트(6)가 상기 냉각실(4)과 연통,형성되고, 그 냉장실 덕트(6)의 상단부에는 댐퍼(미도시)가 구비되며, 그 댐퍼의 하측으로 덕트선반(7)(7')이 수개 삽입,고정되어 있다.Meanwhile, a refrigerator compartment duct 6 communicates with and is formed on the rear wall side of the refrigerator compartment 2, and a damper (not shown) is provided at an upper end of the refrigerator compartment duct 6, and a lower side of the damper. Thus, several duct shelves 7 and 7 'are inserted and fixed.
상기 냉장실 덕트(6)은 도 2에 도시된 바와 같이, 3개의 덕트가 합쳐져 냉장실 후벽의 상단에서 하단까지 연통되는데, 상기 냉장실 덕트(6)의 중앙덕트는 상기 냉각실(4)로부터 흡입된 찬냉기를 냉장실(2)로 유도하는 냉장실 토출덕트(6a)가 형성괴고, 그 냉장실 토출덕트(6a)의 좌,우측에는 냉장실(2)을 순회한 더운 냉기를 흡입하여 상기 냉각실(4)로 유도하는 냉장실 흡입덕트(6b)((6b')로 형성되어 있다.As shown in FIG. 2, the refrigerating compartment duct 6 communicates with the three ducts from the top to the bottom of the rear wall of the refrigerating compartment. The central duct of the refrigerating compartment duct 6 is sucked from the cold compartment 4. The refrigerator compartment discharge duct 6a which guides cold air to the refrigerator compartment 2 is formed, and the cold chamber 2 is sucked into the cold chamber 4 by suctioning hot cold air which has passed the refrigerator compartment 2 to the left and right sides of the refrigerator compartment discharge duct 6a. It is formed of the refrigerator compartment suction duct 6b (6b ') which guides.
상기 냉장실 토출덕트(6a)의 전방면에는 수개의 냉장실 토출구(도면중엔 1개만 도시)(6a-1)가 일정한 간격을 두고 수직방향으로 형성되고, 상기 냉장실 흡입덕트(6b)(6b')의 전방면에는 수개의 냉장실 흡입구(도면중엔 각 1개씩만 도시)(6b-1')가 상기 냉장실 토출구(6a-1)보다 각가 하측에 형성되어 있다.On the front surface of the refrigerating chamber discharge duct 6a, several refrigerating chamber discharge ports (only one in the figure) 6a-1 are formed in the vertical direction at regular intervals, and the refrigerating chamber suction ducts 6b and 6b ' On the front surface, several refrigerator compartment suction ports (only one each in the figure) 6b-1 'are formed below each of the refrigerator compartment discharge ports 6a-1.
상기 각 덕트선반(7)은, 그 가장자리에 덕트선반 토출유로(7a)가 형성되어 상기 덕트선반 토출구(6a-1)와 연통되고, 상기 덕트선반 토출유로(7a)의 하측면에는 다수개의 덕트선반 토출공(7a-1)이 형성되며, 상기 각 덕트선반(7)의 일측면(정확하게는, 냉장실 덕트와의 대향면)에는 냉기흡입 가이드(7b)가 형성되어 있다.Each of the duct shelves 7 has a duct shelf discharge passage 7a formed at an edge thereof to communicate with the duct shelf discharge ports 6a-1, and a plurality of ducts are provided on the lower side of the duct shelf discharge passage 7a. Shelf discharge holes 7a-1 are formed, and cold air suction guides 7b are formed on one side surface of each duct shelf 7 (exactly, the opposite surface to the refrigerating chamber duct).
도면중 미설명 부호인(7a-2)은 냉기유로막이다.Reference numeral 7a-2 in the figure denotes a cold air flow path.
상기와 같이 구성된 종래의 냉장고에 있어서, 냉기의 순환과정은 도 1과 도 2를 다시 인용하여 설명한다.In the conventional refrigerator configured as described above, the circulation process of the cold air will be described with reference to FIGS. 1 and 2 again.
즉, 증발기(4a)를 거치면서 차가워진 냉기가 송풍팬(4b)에 의해 쉬라우드와 그릴팬(5)을 통과하여 냉동실(1) 내부로 뿜어지고, 그 뿜어진 찬냉기는 냉동실(1)을 순회한후에 쉬라우드와 그릴팬(5)의 하측에 형성된 냉동실 흡입구(미도시)를 통해 다시 냉각실(4)로 귀환하게 되며, 상기 쉬라우드와 그릴팬(5)에 의해 냉동실(1)로 토출되지 못한 찬냉기는 자연낙하 하여 냉장실 덕트(6)로 유입되고, 그 냉장실 덕트(6)로 유입된 찬냉기는 상기 냉장실 덕트(6)에 연통,삽입된 각각의 덕트선반(7)(7')을 통해 냉장실(2)로 분출되며, 그 각각의 덕트선반(7)(7')을 통해 분출된 찬냉기는 각 칸을 순회한 후에 각 냉장실 흡입구(6b-1)(6b-1')로 흡입되어 냉각실(4)로 흡상되는 것이었다.That is, the cold cool air passing through the evaporator (4a) is passed through the shroud and the grill pan (5) by the blowing fan (4b) into the freezer compartment (1), the cold cold air is discharged into the freezer compartment (1) After returning through the freezer compartment suction port (not shown) formed in the lower side of the shroud and the grill pan (5) to return to the cooling chamber (4), by the shroud and grill pan (5) to the freezer compartment (1) The cold coolant that has not been discharged naturally falls into the refrigerating compartment duct 6, and the cold coolant introduced into the refrigerating compartment duct 6 communicates with and is inserted into the refrigerating compartment duct 6, respectively. ') Is ejected to the refrigerating compartment (2), and the cold coolant ejected through the respective duct shelves (7) (7') after each compartment is cycled, each refrigerating compartment inlet (6b-1) (6b-1 '). ), And was sucked into the cooling chamber (4).
그런, 상기와 같이 각 덕트선반(7)의 하측으로 분출된 찬냉기가 수납물과의 접촉으로 더워진 다음 상승함에도 불구하고, 그 상승하는 더운 냉기를 흡수하기 위한 냉장실 흡입구(6b-1)(6b-1')가 상기 냉장실 토출구(6a-1)보다 하측에 형성되어, 더운 냉기가 찬냉기 보다 낮은 위치에서 순환하는 현상이 발생하게 되므로 효율적인 냉기순환을 방해하는 구조적인 요인으로 지적되어 왔다.Such a cold room suction port 6b-1 for absorbing the rising hot cold air, although the cold air ejected to the lower side of each duct shelf 7 is heated and then rises in contact with the storage object as described above. 6b-1 ') is formed below the refrigerating chamber discharge port 6a-1, so that hot cold air circulates at a lower position than cold cold air, which has been pointed out as a structural factor that prevents efficient cold air circulation.
따라서, 본 발명의 목적은 상기 냉장실 흡입구를 냉장실 토출구보다 높게 형성하여 상기 냉장실 토출구를 통해 낙하되는 냉기가 하부의 수납물과 접촉하여 충분히 열교환된 다음 원활하게 냉장실 흡입구로 귀환될 수 있도록 하는 냉장고의 냉장실 냉기순환구조를 제공하는데 있다.Accordingly, an object of the present invention is to form the refrigerator compartment inlet higher than the refrigerator compartment outlet so that the cold air falling through the refrigerator compartment outlet can be sufficiently exchanged by contacting the lower storage and then smoothly returned to the refrigerator compartment inlet. It is to provide a cold air circulation structure.
도 1은 종래 냉장고의 냉기순환과정을 설명하기 위해 개략적으로 보인 냉장고의 종단면도.1 is a longitudinal sectional view of a refrigerator schematically shown to explain a cold air circulation process of a conventional refrigerator.
도 2는 종래 덕트선반의 냉기유로를 설명하기 위해 개략적으로 보인 덕트선반의 횡단면도.Figure 2 is a cross-sectional view of the duct shelf schematically shown to explain the cold air flow path of the conventional duct shelf.
도 3는 본 발명에 의한 덕트선반의 냉기유로를 설명하기 위해 개략적으로 보인 덕트선반의 횡단면도.3 is a cross-sectional view schematically showing a duct shelf for explaining the cold air flow path of the duct shelf according to the present invention.
도 4는 본 발명에 의한 덕트선반을 정면에서 보인 종단면도.Figure 4 is a longitudinal sectional view of the duct shelf according to the present invention from the front.
* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings
10 : 냉장실 덕트11 : 냉장실 토출덕트10: refrigerator compartment duct 11: refrigerator compartment discharge duct
11a : 냉장실 토출구12,12' : 냉장실 흡입덕트11a: refrigerating chamber discharge port 12, 12 ': refrigerating chamber suction duct
12a,12a' : 냉장실 흡입구20 : 덕트선반12a, 12a ': Refrigeration chamber inlet 20: Duct shelf
21 : 덕트선반 토출유로21a : 덕트선반 토출공21: duct shelf discharge passage 21a: duct shelf discharge hole
22,22' : 덕트선반 흡입유로22a,22a' : 덕트선반 흡입공22,22 ': Duct shelf suction passage 22a, 22a': Duct shelf suction hole
이와 같은 본 발명의 목적을 달성하기 위하여, 냉각실과 냉장실 사이에 흡,토출덕트로 연통되며, 그 흡,토출덕트의 전면(前面)에 각각 단계별로 흡,토출구가 동일 수평선상에 형성되는 냉장실 덕트와; 상기 냉장실 덕트의 흡,토출구와 연통되는 흡,토출유로가 내부에 차별,형성되며, 그 흡,토출유로의 하측면에 각각 흡,토출공이 형성된 덕트선반을 포함하여 구성되는 것을 특징으로 하는 냉장고의 냉장실 냉기순환구조가 제공된다.In order to achieve the object of the present invention, the refrigerator compartment duct is communicated between the cooling chamber and the refrigerating chamber through the suction and discharge duct, the suction and discharge ports are formed on the same horizontal line in each step on the front surface of the suction and discharge duct. Wow; The inlet and outlet passages in communication with the inlet and outlet ports of the refrigerating chamber ducts are differentiated and formed therein, and the inlet and outlet passages each have a duct shelf having suction and discharge holes formed therein. A cold room circulation structure is provided.
이하, 본 발명에 의한 냉장실의 냉기순환구조를 첨부된 도면에 도시된 일실시예에 의거하여 상세하게 설명한다.Hereinafter, the cold air circulation structure of the refrigerating compartment according to the present invention will be described in detail with reference to the embodiment shown in the accompanying drawings.
본 발명에 의한 냉기순화구조를 달성하기 위한 냉장실 덕트와 그 냉장실 덕트에 연통되는 덕트선반은 도 3 및 도 4에 도시된 바와 같다.The refrigerating compartment duct and the duct shelf communicating with the refrigerating compartment duct for achieving the cold air purifying structure according to the present invention are as shown in Figs.
즉, 냉장실과 냉각실 사이에 설치되는 냉장실 덕트(10)는, 먼저 냉각실(미도시)에서 생성된 찬냉기를 냉장실(미도시)로 유도하기 위해 중앙측에 형성되는 냉장실 토출덕트(11)와, 그 토출덕트(11)의 좌,우측에 형성되며 상기 냉장실을 순회한 냉기를 다시 냉각실로 유도하기 위한 냉장실 흡입덕트(12)(12')로 구분된다.That is, the refrigerating chamber duct 10 installed between the refrigerating chamber and the cooling chamber is a refrigerating chamber discharge duct 11 formed at the center side to guide cold air generated in the cooling chamber (not shown) to the refrigerating chamber (not shown). And the refrigerating chamber suction ducts 12 and 12 ′ formed at the left and right sides of the discharge duct 11 and for guiding the cold air circulated through the refrigerating chamber to the cooling chamber.
상기 냉장실 토출덕트(11)와 냉장실 흡입덕트(12)(12')의 각 전면(前面)에는 냉장실 토출구(도면에는 1개만 도시)(11a)와 냉장실 흡입구(도면에는 각 1개만 도시)(12a)(12a')가 동일 수평선상에 형성된다.On each front surface of the refrigerating chamber discharge duct 11 and the refrigerating chamber suction duct 12, 12 ', a refrigerating chamber discharge port (only one is shown in the drawing) 11a and a refrigerating chamber suction port (only one each in the drawing) 12a ) 12a 'is formed on the same horizontal line.
한편, 상기 덕트선반(20)의 상면은 강화유리(20a)로 덮이고, 그 강화유리(20a)의 중앙 하측에 상기 냉장실 토출덕트(11)와 연통되어 전,후방을 관통하는 덕트선반 토출유로(21)가 형성되며, 상기 덕트선반(20)의 가장자리부에는 냉장실 흡입덕트(12)와 연통되는 덕트선반 흡입유로(22)(22')가 형성된다.On the other hand, the upper surface of the duct shelf 20 is covered with a tempered glass (20a), and in communication with the refrigerating chamber discharge duct 11 in the center lower portion of the tempered glass (20a) through the front and rear duct shelf discharge passage ( 21 is formed, and the duct shelf suction passages 22 and 22 'are formed at the edges of the duct shelf 20 in communication with the refrigerating chamber suction duct 12.
상기 덕트선반(20)의 덕트선반 토출유로(21)와 흡입유로(22)(22')의 일단(정확하게는, 냉장실 토출, 흡입덕트에 삽입되는 부위에는 각각 냉기누설을 방지하기 위한 냉기토출, 흡입 가이드(21a)(22a)(22a')가 설치되고, 상기 덕트선반 토출유로(21)와 흡입유로(22)(22')의 하단면 또는 하측면에는 다수개의 덕트선반 토출구(21a) 또는 덕트선반 흡입공(22a)(22a')가 형성된다.One end of the duct shelf discharge passage 21 and the suction passages 22 and 22 'of the duct shelf 20 (exactly, the cold chamber discharge and the cold air discharge to prevent the leakage of cold air in the portions inserted into the suction duct, respectively) Suction guides 21a, 22a and 22a 'are provided, and a plurality of duct shelf discharge ports 21a or lower surfaces of the duct shelf discharge passage 21 and the suction passages 22 and 22' are provided. Duct shelf suction holes 22a and 22a 'are formed.
상기와 같이 구성되는 본 발명의 덕트선반에 의한 냉기의 순환과정을 설명하기 위해 도 3 내지 도 4를 다시 인용한다.3 to 4 again describe the circulation process of the cold air by the duct shelf of the present invention configured as described above.
상기 냉각실(미도시) 토출되는 찬냉기의 일부가 쉬라우드와 그릴팬(미도시)에 의해 낙하되어 냉장실 덕트(10)로 유입되고, 그 유입된 냉기는 냉장실 덕트(10)의 중앙측에 구비된 냉장실 토출덕트(11)를 통해 덕트선반(20)의 각 토출유로(21)로 안내되고, 그 덕트선반 토출유로(21)로 안내된 찬냉기는 그 토출유로(21)의 하측면에 형성된 각 덕트선반 토출공(21a)를 통해 칸칸마다에 분산되며, 그 분산되는 찬냉기는 각 칸의 수납물과 열교환 된 후에 더워져 다시 각각의 덕트선반 흡입공(22a)(22a')로 흡입되어 덕트선반 흡입유로(22)(22')를 통해 냉장실 흡입덕트(12)(12')로 유입된다. 그 유입된 더운 냉기는 상기 냉장실 흡입덕트(12)(12')를 따라 흡상되어 다시 냉각실(미도시)에서 재냉각되는 것이다.A portion of the cold air discharged from the cooling chamber (not shown) is dropped by the shroud and the grill pan (not shown) to flow into the refrigerator compartment duct 10, and the introduced cold air is located at the center side of the refrigerator compartment duct 10. The cold cooler guided to each discharge passage 21 of the duct shelf 20 through the provided refrigerating chamber discharge duct 11, and guided to the duct shelf discharge passage 21 is provided on the lower side of the discharge passage 21. Through each formed duct shelf discharge hole (21a) is distributed to each compartment, the cold air is dispersed and heated after being heat-exchanged with the storage of each compartment and sucked back into each duct shelf suction hole (22a) (22a ') And flows into the refrigerating chamber suction ducts 12 and 12 'through the duct shelf suction passages 22 and 22'. The introduced hot cool air is drawn along the refrigerating chamber suction ducts 12 and 12 'and recooled in a cooling chamber (not shown).
여기서, 상기 덕트선반(20)의 덕트선반 토출공(21a)를 통해 분출되는 냉기는 찬냉기이므로 그 무게에 의해 칸칸마다의 하측으로 하강하여 수납된 음식물과 접촉하게 되면 열전달이 발생하게 되어 점차 더운 냉기로 전환되고, 그 더워진 냉기는 상측으로 상승하게 되는 바, 그 상승하는 더운 냉기는 자연스럽게 덕트선반(20)의 하단면에 형성된 흡입공(22a)(22a')으로 흡입되는 것이다.Here, since the cold air ejected through the duct shelf discharge hole 21a of the duct shelf 20 is cold and cold, it descends to the lower side of each compartment by its weight and comes into contact with the stored food. The hot air is converted to cold, and the hot air rises upward. The rising hot air is naturally sucked into the suction holes 22a and 22a 'formed on the lower surface of the duct shelf 20.
이상에서 설명한 바와 같이 본 발명에 의한 냉장고의 냉기순환구조는, 냉각실과 연통되는 냉장실 덕트의 전면(前面)에 수개의 냉장실, 흡,토출구를 동일 수평선상에 형성하고, 그 각각의 냉장실 흡,토출구에 흡,토출공이 각각 구비되어 흡,토출유로가 형성된 덕트선반을 삽입,연통시킴으로써, 상기 냉장실 토출구와 냉장실 흡입구 및 냉기흡,토출공이 동일 수평선상에 위치하게 되므로 상기 덕트선반의 냉기 토출공에서 낙하되는 냉기가 하부의 수납물과 접촉하여 충분히 열교환된 다음 원활하게 냉기 흡입공을 거쳐 냉장실 흡입덕트로 귀환하도록 하는 효과가 있다.As described above, the refrigerator air circulation structure of the refrigerator according to the present invention forms several refrigerator compartments, suction and discharge ports on the same horizontal line on the front surface of the refrigerator compartment duct communicating with the cooling chamber, and each of the refrigerator compartment suction and discharge outlets. The refrigerating chamber discharge port, the refrigerating chamber suction port, the cold air suction and the discharge hole are located on the same horizontal line by inserting and communicating a duct shelf having suction and discharge holes respectively formed therein, so that the cold air discharge hole of the duct shelf falls. There is an effect that the cold air is in contact with the storage of the lower portion is sufficiently heat exchanged and then smoothly returned to the refrigerating chamber suction duct through the cold air suction hole.
Claims (2)
Priority Applications (1)
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KR1019960039242A KR0176936B1 (en) | 1996-09-11 | 1996-09-11 | Cold storage cool air circulation of a refrigerator |
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KR1019960039242A KR0176936B1 (en) | 1996-09-11 | 1996-09-11 | Cold storage cool air circulation of a refrigerator |
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KR19980020674A true KR19980020674A (en) | 1998-06-25 |
KR0176936B1 KR0176936B1 (en) | 1999-10-01 |
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KR1019960039242A KR0176936B1 (en) | 1996-09-11 | 1996-09-11 | Cold storage cool air circulation of a refrigerator |
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