KR970009026B1 - Conversion arrangements for cold air passage of refrigerators - Google Patents

Conversion arrangements for cold air passage of refrigerators Download PDF

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Publication number
KR970009026B1
KR970009026B1 KR1019940030056A KR19940030056A KR970009026B1 KR 970009026 B1 KR970009026 B1 KR 970009026B1 KR 1019940030056 A KR1019940030056 A KR 1019940030056A KR 19940030056 A KR19940030056 A KR 19940030056A KR 970009026 B1 KR970009026 B1 KR 970009026B1
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South Korea
Prior art keywords
cold air
cooling air
duct
refrigerator
damper
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KR1019940030056A
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Korean (ko)
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KR960018471A (en
Inventor
김석노
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엘지전자 주식회사
구자홍
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Priority to KR1019940030056A priority Critical patent/KR970009026B1/en
Publication of KR960018471A publication Critical patent/KR960018471A/en
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Publication of KR970009026B1 publication Critical patent/KR970009026B1/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
    • F25D17/04—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
    • 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

The cooling air passage changing device of a refrigerator is designed to reduce noises caused due to the stop of fluid flowing generated when a cooling air passage is cut by closing a cooling air supplying damper. The cooling air passage changing device includes a cooling air returning duct having the inlet side connected to a cooling air supplying duct which supplies cooling air to a refrigerating chamber and having the outlet side connected to a cooling chamber and a cooling air passage changing damper installed on the portion where the cooling air supplying duct and the cooling air returning duct are connected. Thereby, at the instant the cooling air duct is closed, the cooling air passage changing damper enables flowing of the cooling air to be changed from the cooling air supplying duct to the cooling air returning duct.

Description

냉장고의 냉기유로 변경장치Cold air flow change device of refrigerator

제1도는 종래의 기술에 의한 냉장고의 냉기흐름을 나타내는 경로도.1 is a path diagram showing the cold air flow of the refrigerator according to the prior art.

제2도는 종래의 기술에 의한 냉장고의 냉장실 냉기 공급을 나타낸 것으로,2 is a view illustrating a refrigerator compartment cold air supply of a refrigerator according to the related art.

(a)도는 정면에서 바라본 냉장실 종단면도.(a) is a longitudinal section of the refrigerator compartment as seen from the front.

(b)도는 측면에서 바라본 냉장실 종단면도.(b) A longitudinal section of the refrigerator compartment as viewed from the side.

제3도는 본 발명에 의한 냉장고의 냉기 흐름을 나타내는 경로도.3 is a path diagram showing the flow of cold air in the refrigerator according to the present invention.

제4도는 본 발명에 의한 냉장고의 냉장실 냉기공급을 나타낸 것으로,4 is a view showing a refrigerator cold storage supply of a refrigerator according to the present invention,

(a)도는 냉장실 정면도.(a) is the front view of the refrigerator compartment.

(b)도는 측면에서 바라본 냉장고의 요부 종단면도.(b) Fig. 6 is a longitudinal sectional view of the main part of the refrigerator viewed from the side.

(c)도는 냉기 공급댐퍼를 나타낸 정면도.(c) is a front view showing a cold air supply damper.

제5도는 본 발명에 의한 냉장고의 냉기흐름을 나타낸 종 단면도로서,5 is a longitudinal cross-sectional view showing the cold air flow of the refrigerator according to the present invention,

(1) 실선을 냉장실에 냉기를 공급할 때.(1) When we supply cold air to the fridge in solid line.

(2) 점선은 냉장실에 냉기공급을 차단할 때.(2) The dotted line indicates when the cold air supply to the refrigerating compartment is shut off.

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

13 : 냉기 공급덕트 14 : 냉장실13: cold air supply duct 14: cold storage room

15 : 냉기 귀환덕트 16 : 냉기 유로변경댐퍼15: cold air return duct 16: cold air flow channel change damper

본 발명은 냉장고의 유로 변경 장치에 관한 것으로, 특히 냉장실 냉기공급 댐퍼가 닫힘으로 인한 유로 차단으로 발생하는 유체 유동소음을 해결하는 것에 관한 것이다.The present invention relates to an apparatus for changing the flow path of a refrigerator, and more particularly, to solving the fluid flow noise generated by blocking the flow path due to the closing of the refrigerating chamber cold air supply damper.

종래의 기술에 의한 냉장고의 냉기유로 장치는 제13도 및 제2도에 도시한 바와 같이, 중간 냉동방식의 냉장고(1)에 있어서 냉장고(1)의 중간에 위치한 냉각기(2)와, 냉각기(2)에서 발생한 냉기를 송풍하는 팬(3)과, 송풍된 냉기를 냉장실로(4) 공급하는 냉기공급덕트(5)와, 냉장실(4)의 온도감지 센서(8)에 의해 냉기공급덕트(5)를 열고 닫는 냉기공급댐퍼(6)로 구성된다.As shown in FIG. 13 and FIG. 2, the refrigerator air flow path device of the refrigerator according to the prior art includes a cooler 2 located in the middle of the refrigerator 1 and a cooler in the refrigerator 1 of the intermediate freezing method. 2) the cold air supply duct (5) by the fan (3) for blowing the cold air generated in the cold air, the cold air supply duct (5) for supplying the blown cold air to the refrigerating compartment (4), and the temperature sensor (8) of the refrigerating compartment (4). 5) It is composed of a cold air supply damper (6) to open and close.

이와 같이 구성된 장치에 의해, 냉각기(2)에서 발생된 냉기의 일부는 냉동실(7)로 간후 베리어를 통해 냉각기(2)로 돌아오며, 다른 일부는 냉장실 냉기공급덕트(5)를 지나 냉기공급댐퍼(6)를 통해 냉장실(4)로 간후 아채실(도면에 도시되지 않음)을 통해 베리어를 지나 다시 냉각기(2)로 들어오는 순환을 한다.By means of this arrangement, part of the cold air generated in the cooler (2) goes to the freezer compartment (7) and then returns to the cooler (2) through the barrier, and the other part passes through the cold room cold air supply duct (5) and the cold air supply damper (6) to the refrigerating chamber (4) and then through the achesil (not shown) through the barrier and back to the cooler (2).

그러나, 상기한 바와같은 종래의 기술에 의한 냉기흐름은 냉장고(1)의 단속운전시 냉장실(4)의 온도가 냉동실(7)의 온도에 비해 먼저 정해진 온도에 도달함으로써 냉장실(4)의 온도가 정해진 온도(3℃)에 도달하게 되면 냉장실 냉기공급 댐퍼(6)가 닫히게 된다. 이때 냉장실 냉기 공급 댐퍼(6)가 닫히는 시점에도 냉동실(7)의 온도는 정해진 온도(약-18℃)에 도달하지 못하므로, 냉각기(2)에 의해 냉각된 냉기를 팬(30에 의해 냉동실(7) 및 냉장실 냉기공급 덕트(5) 및 댐퍼(6) 입구에 계속해서 공급된다. 이로인해 냉장실 냉기공급 유로내에 냉기가 정체되고, 냉기의 압력이 증가하므로 냉장고(1)의 소음측정시 전/후방 소음이 약 3dB(A)정도 상승시키는 유체유동 소음이 발생하는 문제점을 가지고 있다.However, in the cold air flow according to the conventional art as described above, the temperature of the refrigerating chamber 4 is increased when the temperature of the refrigerating chamber 4 reaches a predetermined temperature earlier than the temperature of the freezing chamber 7 during the intermittent operation of the refrigerator 1. When the predetermined temperature (3 ° C.) is reached, the refrigerating chamber cold air supply damper 6 is closed. At this time, even when the refrigerating chamber cold air supply damper 6 is closed, the temperature of the freezer compartment 7 does not reach a predetermined temperature (about-18 ° C.), so that the cold air cooled by the cooler 2 is stored in the freezer compartment by the fan 30 ( 7) and to the inlet of the refrigerating chamber cold air supply duct 5 and the damper 6. This causes cold air to stagnate in the refrigerating room cold air supply flow path and increases the pressure of the cold air. There is a problem that the fluid flow noise that raises the rear noise by about 3dB (A).

따라서 본 발명의 목적은 냉장실 냉기공급 댐퍼가 닫히는 순간, 냉각기로 냉기를 귀환시키는 냉기유로변경 댐퍼를 설치하므로써, 냉기가 정체됨없이 원활히 흐르도록 하여 정체에 따른 유체유동 소음을 줄이는 냉장고의 냉기유로변경 장치를 제공함에 있다.Accordingly, an object of the present invention is to change the cold air flow path of the refrigerator to reduce the fluid flow noise due to the stagnation by installing a damper to change the cold air flow path for returning the cold air to the cooler at the moment the cold air supply damper is closed. In providing a device.

상기한 바와 같은 본 발명의 목적은, 중간 냉동방식의 냉장고에 있어서, 냉장실로 냉기를 공급하는 냉기공급덕트의 단부에 냉기유로변경댐퍼를 설치하고, 냉기공급덕트와 연결되게 냉기귀환덕트를 형성함으로 달성될 수 있다.An object of the present invention as described above, in the refrigerator of the intermediate refrigeration type, by installing a cold air flow path change damper at the end of the cold air supply duct for supplying cold air to the refrigerating chamber, by forming a cold air return duct connected to the cold air supply duct Can be achieved.

이하, 본 발명에 의한 냉장고의 냉기유로변경 장치를 첨부도면에 도시한 실시예에 따라서 상세히 설명한다.Hereinafter, the cold air flow path changing apparatus of the refrigerator according to the present invention will be described in detail according to the embodiment shown in the accompanying drawings.

제3도는 본 발명에 의한 냉장고의 냉기 흐름을 나타내는 경로도이고, 제4도는 본 발명에 의한 냉장고의 냉장실 냉기공급을 나타낸 것으로, (a)도는 냉장실 정면도이며, (b)도는 측면에서 바라본 냉장고 요부 종단면도이고, (c)도는 냉기 공급댐퍼를 나타낸 정면도이며, 제5도는 본 발명에 의한 냉장고의 냉기흐름을 나타낸 종 단면도로서, (1) 실선은 냉장실에 냉기를 공급할때이고, (2) 점선은 냉장실에 냉기공급을 차단할 때를 각각 도시한 것이다.3 is a path diagram showing the flow of cold air in the refrigerator according to the present invention, FIG. 4 is a diagram illustrating a refrigerator compartment cold air supply of the refrigerator according to the present invention, (a) is a front view of the refrigerator compartment, and (b) is a main part of the refrigerator viewed from the side. (C) is a front view showing the cold air supply damper, and FIG. 5 is a longitudinal sectional view showing the cold air flow of the refrigerator according to the present invention, (1) the solid line when cold air is supplied to the refrigerating chamber, and (2) the dotted line is When the cold air supply to the refrigerator compartment is cut off respectively.

이에 도시한 바와 같이, 본 발명에 의한 냉장고의 냉기 유로변경장치는 냉각기(11)와 팬(12)과 냉기공급덕트(13)를 구비한 중간 냉동방식의 냉장고에 있어서, 냉장실(14)로 냉기를 공급하는 냉기공급덕트(13)의 단부와 연결하여 냉기귀환덕트(15)를 형성하고, 그 냉기공급덕트(13)와 냉기귀환덕트(15)가 연결되는 부분에 냉기 유로변경댐퍼(16)를 설치하여, 그 냉기 유로변경댐퍼916)의 개폐 작용으로 냉기의 유로를 변경시키도록 구성된다.As shown in the drawing, the cold air flow path changing device of the refrigerator according to the present invention is a refrigerator having an intermediate refrigeration system having a cooler 11, a fan 12, and a cold air supply duct 13, and the cold air flows into the refrigerating chamber 14. It is connected to the end of the cold air supply duct 13 for supplying a cold air return duct (15), and the cold air flow path change damper (16) to the portion where the cold air supply duct 13 and the cold air return duct (15) is connected And the cold air flow path changing damper 916 to change the cold air flow path.

이와 같이 구성된 냉장고의 냉기 유로변경장치의 작용효과를 설명하면 다음과 같다.Referring to the effect of the cold air flow path changing device of the refrigerator configured as described above are as follows.

일반적으로 냉장고의 냉동실(17)과 냉장실(14)의 온도가 정해진 수치에 도달되면 컴프레서가 온/오프 운전을 하게된다. 하지만 냉장실(14)의 온도가 냉동실917)의 온도에 비해 먼저 정해진 온도에 도달하며, 냉장실914)의 온도가 정해진 온도에 도달하게 되면 냉장실(14) 냉기공급 덕트(13)가 닫히게 된다. 냉장실 냉기공급 덕트(13)가 닫히는 시점에도 냉동실(17)의 온도는 정해진 온도에 도달하지 못하게 되어 냉각기(11)에 의해 냉각된 냉기는 팬(12)에 의해 냉동실(17) 및 냉장실 냉기공급 덕트(13) 입구 및 그 유로내로 공급된다. 이때, 냉장실 냉기공급 덕트가 닫히는 순간 냉기유로 변경댐퍼(16)의 작용으로 냉각기(11)로 냉기를 귀환시키는 냉기귀환덕트915)가 열려 냉장실(14)로 공급되려던 냉기가 냉기귀환덕트(15)를 통해 냉기가 냉각기(11) 하단으로 유입된다. 이렇듯 냉기귀환덕트(15)를 열어주며 냉장실(14)로의 냉기유입을 막아주는 냉기로변경댐퍼(16)에 의해 냉기의 흐름을 원활히 변경해 줌으로써 냉기의 정체가 없어지며, 유로내 유체유도 소음이 감소하게 된다.In general, when the temperature of the freezer compartment 17 and the refrigerating compartment 14 of the refrigerator reaches a predetermined value, the compressor operates on / off. However, the temperature of the refrigerating chamber 14 reaches a predetermined temperature first than the temperature of the freezing chamber 917, and when the temperature of the refrigerating chamber 914 reaches a predetermined temperature, the refrigerating chamber 14 cold air supply duct 13 is closed. Even when the refrigerating compartment cold air supply duct 13 is closed, the temperature of the freezer compartment 17 does not reach a predetermined temperature, so that the cold air cooled by the cooler 11 is controlled by the fan 12 and the freezer compartment 17 and the refrigerating compartment cold air supply duct. (13) It is supplied into an inlet and its flow path. At this time, the cold air return duct 915 for returning the cold air to the cooler 11 is opened by the action of the cold air flow path change damper 16 at the moment the cold air supply duct is closed, and the cold air to be supplied to the cold compartment 14 is returned to the cold air duct 15. Cold air is introduced into the cooler 11 through the bottom. In this way, the cold air duct 15 is opened and the cold air flow is smoothly changed by the change damper 16 which prevents the inflow of cold air into the refrigerating chamber 14. Done.

이상에서 설명한 바와같이 본 발명에 의한 냉장고의 냉기유로변경장치는 냉동실로 냉기를 공급하는 냉기공급덕트와 냉각기로 유입하게 형성된 냉기귀환 덕트를 서로 통하도록 연결하며, 그 연결부위에 냉기유로변경댐퍼를 설치함으로, 냉장실 냉기공급 댐퍼가 닫히는 순간 냉각기로 냉기를 귀환시키는 냉기 유로변경댐퍼가 작동하여 냉기의 유로를 변경하므로, 냉기의 정체에 따른 유체유동소음이 감소되는 효과가 있다.As described above, the cold air flow path changing device of the refrigerator according to the present invention connects the cold air supply duct for supplying cold air to the freezer compartment and the cold air return duct formed to flow into the cooler, and connects the cold air flow path change damper to the connection portion. By installing, since the cold air flow path change damper for returning the cold air to the cooler at the moment of closing the cold air supply damper is operated to change the flow path of the cold air, the fluid flow noise due to the stagnation of the cold air is reduced.

Claims (1)

입구측이 냉기를 냉장실로 공급하는 냉기 공급덕트와 통하도록 연결됨과 아울러 출구측이 냉각기 측으로 통하도록 연결되는 냉기 귀환덕트와, 상기 냉기 공급덕트와 냉기 귀환덕트가 연결되는 부위에 설치되는 냉기 유로변경댐퍼로 구성되어, 냉기공급덕트가 닫히는 순간 냉기흐름을 냉기공급덕트에서 냉기귀환덕트로 변경하도록 한 것을 특징으로 하는 냉장고의 냉기 유로변경장치.A cold air return duct connected to the cold air supply duct for supplying cold air to the refrigerating chamber and the outlet side to the cooler side, and a cold air flow path installed at a portion where the cold air supply duct and the cold air return duct are connected. And a damper to change the cold air flow from the cold air supply duct to the cold air return duct when the cold air supply duct is closed.
KR1019940030056A 1994-11-16 1994-11-16 Conversion arrangements for cold air passage of refrigerators KR970009026B1 (en)

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Application Number Priority Date Filing Date Title
KR1019940030056A KR970009026B1 (en) 1994-11-16 1994-11-16 Conversion arrangements for cold air passage of refrigerators

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Application Number Priority Date Filing Date Title
KR1019940030056A KR970009026B1 (en) 1994-11-16 1994-11-16 Conversion arrangements for cold air passage of refrigerators

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KR960018471A KR960018471A (en) 1996-06-17
KR970009026B1 true KR970009026B1 (en) 1997-06-03

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