KR100196941B1 - Cool air passage cut-off prevention structure of a refrigerator - Google Patents

Cool air passage cut-off prevention structure of a refrigerator Download PDF

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Publication number
KR100196941B1
KR100196941B1 KR1019970008592A KR19970008592A KR100196941B1 KR 100196941 B1 KR100196941 B1 KR 100196941B1 KR 1019970008592 A KR1019970008592 A KR 1019970008592A KR 19970008592 A KR19970008592 A KR 19970008592A KR 100196941 B1 KR100196941 B1 KR 100196941B1
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KR
South Korea
Prior art keywords
wall
refrigerator
cold air
insulation
defrost heater
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KR1019970008592A
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Korean (ko)
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KR19980073354A (en
Inventor
신광철
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윤종용
삼성전자주식회사
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Priority to KR1019970008592A priority Critical patent/KR100196941B1/en
Publication of KR19980073354A publication Critical patent/KR19980073354A/en
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Publication of KR100196941B1 publication Critical patent/KR100196941B1/en

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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
    • F25D17/005—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces in cold rooms
    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06—Removing frost
    • F25D21/08—Removing frost by electric heating
    • 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
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/065—Details
    • F25D23/068—Arrangements for circulating fluids through the insulating material
    • 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
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/12—Insulation with respect to heat using an insulating packing material
    • F25D2201/128—Insulation with respect to heat using an insulating packing material of foil 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
    • F25D2400/02—Refrigerators including a heater

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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)
  • Defrosting Systems (AREA)

Abstract

본 발명은 냉장고 중간 단열벽에 관한 것으로서, 더욱 상세하게는 제상 장치의 열에 의해 중간 단열벽의 변형을 막는 변형 방지재로 인해 중간 단열벽 내부에 형성된 냉기 통로가 차단되는 것을 방지할 수 있도록 한 냉장고 중간 단열벽의 냉기통로 차단방지 구조에 관한 것이다.The present invention relates to a refrigerator insulated intermediate wall, and more particularly to a refrigerator that can prevent the cold air passage formed inside the intermediate insulated wall from being blocked by a deformation preventing material that prevents deformation of the intermediate insulated wall by heat of the defrosting device. It relates to a cold air path blocking structure of the intermediate insulation wall.

본 발명은 증발기 주변의 성에를 제거하기 위한 제상용 히터에 의해 열변형되어 중간 단열재의 냉기 통로가 차단되는 것을 방지하기 위한 냉장고 중간 단열벽의 냉기통로 차단방지 구조에 있어서, 상기 제상용 히터가 위치한 상기 중간 단열벽의 제 1단열재 후측부의 내측면부터 외측면까지에는 상기 제상용 히터로부터 발생된 열을 차단하기 위한 판부재가 부착되고, 상기 중간 단열벽의 제 2단열재 양단부에는 상기 제 1단열재 내측면의 판부재를 지지하기 위해 돌출부가 형성되는 것을 특징으로 한다.The present invention is a heat dissipation by the defrost heater for removing the frost around the evaporator in the cold air path blocking prevention structure of the refrigerator middle insulation wall for preventing the cold passage of the intermediate insulation is blocked, the defrost heater is located A plate member for blocking heat generated from the defrost heater is attached to an inner surface to an outer surface of the rear side portion of the first insulation material of the intermediate insulation wall, and the first insulation material is provided at both ends of the second insulation material of the intermediate insulation wall. The protrusion is formed to support the plate member of the inner surface.

Description

냉장고 중간 단열벽의 냉기통로 차단방지 구조Cooling passage blocking prevention structure of refrigerator's middle insulation wall

본 발명은 냉장고 중간 단열벽에 관한 것으로서, 더욱 상세하게는 제상 장치의 열에 의해 중간 단열벽의 변형을 막는 변형 방지재로 인해 중간 단열벽 내부에 형성된 냉기 통로가 차단되는 것을 방지할 수 있도록 한 냉장고 중간 단열벽의 냉기통로 차단방지 구조에 관한 것이다.The present invention relates to a refrigerator insulated intermediate wall, and more particularly to a refrigerator that can prevent the cold air passage formed inside the intermediate insulated wall from being blocked by a deformation preventing material that prevents deformation of the intermediate insulated wall by heat of the defrosting device. It relates to a cold air path blocking structure of the intermediate insulation wall.

일반적으로 냉장고의 증발기내에서는 액상의 냉매가 증발할 때 그 주위로부터 뺏는 증발열로써 냉각이 행해진다. 이때 증발기에는 주위의 수분이 얼어 붙음으로써 성에가 끼이게 되는데, 이같은 성에는 증발기 효율을 크게 저하시키는 주 요인이 되므로 제거하여 줄 필요가 있다. 따라서 냉장고에는 그 증발기에 붙어 있는 성에를 녹이도록 전기 발열되는 제상용 히터와 이를 적절히 제어하는 제어 수단이 구비되고 있다.In general, in the evaporator of the refrigerator, cooling is performed by the heat of evaporation taken from the surroundings when the liquid refrigerant evaporates. At this time, the frost is pinched by the freezing of moisture around the evaporator. In such a castle, it is necessary to remove the frost because it is a major factor that greatly reduces the evaporator efficiency. Therefore, the refrigerator is provided with a defrost heater which is electrically heated to melt the frost attached to the evaporator, and a control means for appropriately controlling the frost heater.

상기 제상용 히터에 의해 발열되는 열은 냉장고의 냉장실과 냉동실을 구분함과 동시에 증발기를 통과한 냉기가 통과하는 냉기통로가 형성된 중간 단열벽을 변형시키는 원인으로 작용하여 이를 방지하기 위해 중간 단열벽 외측에 소정의 열차단재가 구비되어 있는 바, 이를 첨부된 도면 도 1 및 도 2를 참조하여 설명하면 다음과 같다.The heat generated by the defrosting heater distinguishes between the refrigerator compartment and the freezer compartment of the refrigerator and at the same time acts as a cause of deforming the intermediate insulation wall having the cold air passage through which the cold air passing through the evaporator passes, thereby preventing the outside of the intermediate insulation wall. A predetermined heat shield is provided in the bar, which will be described with reference to FIGS. 1 and 2 as follows.

도 1은 냉동실(1)에만 증발기(4) 및 냉기순환팬(6)이 설치된 구조로서, 냉동실(1)의 증발기(4)로부터 토출되는 냉기는 냉동실(1)의 내부를 순환한 후 중간 단열벽(8)에 형성된 냉동실 냉기 귀환로(8a)를 따라 다시 증발기(4)로 귀환되며, 상기 증발기(4)로부터 생성된 냉기의 일부는 덕트(3)를 따라 하강하여 냉장실(2)의 내부로 토출되어 냉장실(1')의 내부를 순환하고 야채실(미도시)을 돌아 중간 단열벽(8)에 형성된 냉장실 냉기 귀환로(8b)를 따라 다시 증발기(4)로 귀환된다.1 is a structure in which the evaporator 4 and the cold air circulation fan 6 are installed only in the freezer compartment 1, and the cold air discharged from the evaporator 4 of the freezer compartment 1 circulates inside the freezer compartment 1 and then is insulated. It is returned to the evaporator 4 again along the freezer compartment cold air return path 8a formed in the wall 8, and a part of the cold air generated from the evaporator 4 is lowered along the duct 3 to the inside of the refrigerating compartment 2. It is discharged to the inside of the refrigerating chamber 1 ', circulates inside the vegetable compartment (not shown), and returns to the evaporator 4 again along the refrigerating chamber cold air return path 8b formed in the intermediate heat insulating wall 8.

또한, 증발기(4)내에서는 액상의 냉매가 증발할 때 그 주위로부터 뺏는 증발열로써 냉각이 행해질때, 주위의 수분이 얼어 붙음으로써 증발기(4) 주변에 성에가 끼이게 되는데, 이를 제거하기 위해 증발기(4)하단에 제상용 히터(5)가 설치되어 있다. 제상용 히터(5)는 전기 발열되는 것으로, 그 발열되는 열은 중간 단열벽(8)의 후측이 변형된다. 이는 냉기 귀환로(8a),(8b)의 변형으로 초래되어 냉기가 원활하게 흐르지 못하게 된다.In addition, in the evaporator 4, when cooling is performed by the evaporation heat taken from the surroundings when the liquid refrigerant evaporates, frost is trapped around the evaporator 4 by freezing the surrounding moisture, and the evaporator is removed to remove it. (4) The defrost heater 5 is provided at the bottom. The defrost heater 5 is electrically heated, and the heat generated is deformed at the rear side of the intermediate heat insulation wall 8. This is caused by the deformation of the cold air return paths 8a and 8b so that cold air does not flow smoothly.

이에 따라, 중간 단열벽(8)의 후측에는 알루미늄 재질의 테이프(7)가 부착되어 있어 제상용 히터(5)의 제상 작용의 발열을 차단하게 되어 중간 단열벽(8)이 변형되는 것을 막을 수 있게 된다.Accordingly, an aluminum tape 7 is attached to the rear side of the intermediate heat insulating wall 8 to block the heat generation of the defrosting action of the defrost heater 5, thereby preventing the intermediate heat insulating wall 8 from being deformed. Will be.

그러나 상기와 같은 종래 냉장고 중간 단열벽의 냉기통로 차단방지 구조에 따라 중간 단열벽의 후측에 부착된 알루미늄 재질의 테이프는 제상용 히터의 제상 작용에 의한 발열에 의해 일정시간 가열되어 그 자체가 인장되고, 제상용 히터의 제상 작용이 끝나면 증발기로부터의 냉기에 의해 냉각되어 그 자체가 수축된다.However, according to the conventional structure for preventing the blocking of the cold air path of the intermediate insulation wall of the refrigerator, the aluminum tape attached to the rear side of the intermediate insulation wall is heated for a predetermined time by the defrosting action of the defrosting heater, and thus itself is tensioned. When the defrosting action of the defrosting heater is completed, it is cooled by cold air from the evaporator and constricts itself.

상기와 같이 테이프는 인장과 수축의 반복으로 인해 중간 단열벽의 내벽면으로부터 박리된다. 이에 따라 상기 테이프는 중간 단열벽의 냉기 귀환로를 폐쇄하게 되어 냉기가 통하지 못하게 하는 문제점이 있었다.As described above, the tape is peeled off from the inner wall surface of the intermediate insulating wall due to the repetition of tension and shrinkage. Accordingly, the tape has a problem of closing the cold air return path of the intermediate heat insulation wall to prevent cold air from passing through.

본 고안은 상기와 같은 문제점을 해결하기 위한 것으로서, 제상 장치의 열에 의해 중간 단열벽의 변형을 막는 변형 방지재로 인해 중간 단열벽 내부에 형성된 냉기 통로가 차단되는 것을 방지할 수 있도록 한 냉장고 중간 단열벽의 냉기통로 차단방지 구조를 제공하는 데 그 목적이 있다.The present invention is to solve the above problems, the middle insulation of the refrigerator to prevent the cold air passage formed in the middle insulation wall is blocked by the deformation preventing material to prevent deformation of the intermediate insulation wall by the heat of the defrosting device. The purpose is to provide a wall cold passage blocking structure.

도 1은 종래 냉장고 중간 단열벽의 냉기통로 차단방지 구조를 나타낸 일부 종단면도,1 is a partial longitudinal cross-sectional view showing a structure of preventing a cold air passage of a conventional heat insulating wall of the refrigerator;

도 2는 도 1의 A-A'선의 단면도,2 is a cross-sectional view taken along line AA ′ of FIG. 1;

도 3은 본 발명에 의한 냉장고 중간 단열벽의 냉기통로 차단방지 구조를 나타낸 도 1의 A-A'선에 해당하는 단면도.Figure 3 is a cross-sectional view corresponding to the line A-A 'of Figure 1 showing a cold air path blocking structure of the refrigerator middle heat insulation wall according to the present invention.

도면의 주요 부분에 대한 부호의 설명Explanation of symbols for the main parts of the drawings

1 : 냉동실1' : 냉장실5 : 제상용 히터DESCRIPTION OF SYMBOLS 1: Freezing chamber 1 ': Refrigerating chamber 5: Defrosting heater

8a,8b : 냉기 귀환로10 : 중간 단열벽12 : 중상 단열재8a, 8b: cold return path 10: intermediate insulation wall 12: medium phase insulation

13 : 중하 단열재13a : 돌출부20 : 판부재13 middle and lower heat insulating material 13a: protrusion 20: plate member

상기와 같은 목적을 달성하기 위한 본 고안에 의한 냉장공 중간 단열벽의 냉기통로 차단방지 구조는 증발기 주변의 성에를 제거하기 위한 제상용 히터에 의해 열변형되어 중간 단열재의 냉기 통로가 차단되는 것을 방지하기 위한 냉장고 중간 단열벽의 냉기통로 차단방지 구조에 있어서, 상기 제상용 히터가 위치한 상기 중간 단열벽의 제 1단열재 후측부의 내측면부터 외측면까지에는 상기 제상용 히터로부터 발생된 열을 차단하기 위한 판부재가 부착되고, 상기 중간 단열벽의 제 2단열재 양단부에는 상기 제 1단열재 내측면의 판부재를 지지하기 위해 돌출부가 형성되는 것을 특징으로 한다.The cold air passage blocking prevention structure of the intermediate insulation wall of the refrigerating hole according to the present invention for achieving the above object is thermally deformed by a defrost heater for removing frost around the evaporator to prevent the cold air passage of the intermediate insulation is blocked. In the cold air path blocking prevention structure of the middle heat insulation wall of the refrigerator for blocking the heat generated from the defrost heater from the inner side to the outer side of the rear side of the first insulation material of the middle heat insulation wall where the defrost heater is located. The plate member is attached, and both ends of the second insulating material of the intermediate heat insulating wall is characterized in that the protrusion is formed to support the plate member of the inner surface of the first insulating material.

이하, 본 고안의 바람직한 실시예를 첨부된 도면을 참조하여 상세하게 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention in detail as follows.

도 3은 본 발명에 의한 냉장고 중간 단열벽의 냉기통로 차단방지 구조를 나타낸 도 1의 A-A'선에 해당하는 단면도이다.Figure 3 is a cross-sectional view corresponding to the line AA 'of Figure 1 showing a cold air path blocking structure of the refrigerator middle heat insulation wall according to the present invention.

본 고안에 의한 냉장고 중간 단열벽의 냉기통로 차단방지 구조는 도 1에 도시된 냉장실(2)과 냉동실(1)을 구획함과 동시에 냉기 귀환로(8a),(8b)가 형성된 중간 단열벽(10) 및 증발기(4) 주변의 성에를 제거하기 위한 제상용 히터(5)가 포함된 냉장고에 적용되고, 중간 단열벽(10)의 냉기 귀환로(8a,8b)의 후측에 설치되는 구조이다.The cold air path blocking prevention structure of the refrigerator middle heat insulation wall according to the present invention divides the refrigerating compartment 2 and the freezing compartment 1 shown in FIG. 1 and at the same time an intermediate heat insulation wall on which the cold air return passages 8a and 8b are formed. 10) is applied to a refrigerator including a defrost heater (5) for removing frost around the evaporator (4), and is installed on the rear side of the cold air return path (8a, 8b) of the intermediate heat insulating wall (10). .

여기서, 본 고안에 의한 중간 단열벽(10)은 설명의 편의상 냉기 귀환로(8b)가 하나 형성된 것을 예로 들었다.Here, the intermediate heat insulation wall 10 according to the present invention has been described as an example that one cold air return path (8b) is formed for convenience of description.

중간 단열벽(10)은 중상 단열재(12)와 중하 단열재(13)로 이루어져 그 사이에 냉기 귀환로(8b)가 형성된다.The intermediate heat insulating wall 10 is composed of a middle upper heat insulating material 12 and a middle lower heat insulating material 13, and a cold air return path 8b is formed therebetween.

중상 단열재(12) 후단부의 내측면을 돌아 외측면 일부까지에는 소정의 판부재(20)가 절곡되어 부착되고, 중하 단열재(13)의 양단부측에는 소정의 돌출부(13a)가 형성되어 중상 단열재(12) 내측면의 판부재(20)을 지지하고 있다.A predetermined plate member 20 is bent and attached to a portion of the outer surface of the rear end portion of the mid-phase heat insulating material 12, and predetermined protrusions 13a are formed on both end sides of the middle and lower heat insulating material 13 to form a medium-phase heat insulating material 12. The plate member 20 of the inner side is supported.

상기 판부재(20)는 제상용 히터(5)의 작용으로 인한 열을 받을때에 인장되고, 제상용 히터(5)가 작용되지 않은 상태에서 증발기(4)를 통과한 냉기에 의해 냉각될 때 수축된다. 이에 돌출부(13a)는 인장과 수축을 반복하는 판부재(20)가 중상 단열재(12) 내측면으로부터 박리되지 못하도록 지지하게 된다.The plate member 20 is tensioned when it receives heat due to the action of the defrost heater 5, and is cooled by the cold air passing through the evaporator 4 in the state that the defrost heater 5 is not applied. Contraction. The protrusion 13a is supported so that the plate member 20 repeating tension and contraction cannot be peeled off from the inner surface of the medium-phase insulator 12.

여기서, 판부재(20)는 제상용 히터(5)의 작용으로 인한 열에 내열성 및 휘지 않도록 알루미늄의 재질로 하고, 그 두께를 두껍게 하는 것이 바람직하다.Here, it is preferable that the plate member 20 is made of aluminum so as not to be heat resistant and bent to heat due to the action of the defrost heater 5, and to increase the thickness thereof.

이렇게 됨으로써, 중간 단열벽(10)의 냉기 귀환로(8b)가 폐쇄되지 않아 냉기 흐름이 차단되는 것을 완벽하게 방지할 수 있다.By doing so, the cold air return path 8b of the intermediate heat insulation wall 10 is not closed, thereby completely preventing the cold air flow from being blocked.

이상 살펴본 바와 같이 본 고안에 의한 냉장고 중간 단열벽의 냉기통로 차단방지 구조에 따르면, 제상 장치인 제상용 히터의 열에 의해 중간 단열벽의 변형을 막는 변형 방지재로 인해 중간 단열벽 내부에 형성된 냉기 통로가 차단되는 것을 완벽하게 방지할 수 있는 효과가 있다.As described above, according to the cold air path blocking prevention structure of the refrigerator middle heat insulating wall according to the present invention, the cold air passage formed inside the middle heat insulating wall due to the deformation preventing material which prevents deformation of the middle heat insulating wall by the heat of the defrost heater, which is a defrosting device. There is an effect that can be completely prevented that is blocked.

Claims (2)

증발기 주변의 성에를 제거하기 위한 제상용 히터에 의해 열변형되어 중간 단열재의 냉기 통로가 차단되는 것을 방지하기 위한 냉장고 중간 단열벽의 냉기통로 차단방지 구조에 있어서, 상기 제상용 히터가 위치한 상기 중간 단열벽의 제 1단열재 후측부의 내측면부터 외측면까지에는 상기 제상용 히터로부터 발생된 열을 차단하기 위한 판부재가 부착되고, 상기 중간 단열벽의 제 2단열재 양단부에는 상기 제 1단열재 내측면의 판부재를 지지하기 위해 돌출부가 형성되는 것을 특징으로 하는 냉장고 중간 단열벽의 냉기통로 차단방지 구조.In the structure of preventing cold passage blocking of the intermediate heat insulating wall of the refrigerator to prevent the cold air passage of the intermediate heat insulating material is blocked by the defrost heater for removing the frost around the evaporator, the intermediate heat insulation in which the defrost heater is located A plate member for blocking heat generated from the defrosting heater is attached to the inner surface to the outer surface of the rear side of the first insulation material of the wall, and both ends of the second insulation material of the intermediate insulation wall of the inner surface of the first insulation material. Cooling passage blocking prevention structure of the middle wall of the refrigerator, characterized in that the protrusion is formed to support the plate member. 제 1 항에 있어서, 상기 판부재의 재질은 알루미늄인 것을 특징으로 하는 냉장고 중간 단열벽의 냉기통로 차단방지 구조.The structure of claim 1, wherein the plate member is made of aluminum.
KR1019970008592A 1997-03-14 1997-03-14 Cool air passage cut-off prevention structure of a refrigerator KR100196941B1 (en)

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