KR100447154B1 - Refrigerator - Google Patents

Refrigerator Download PDF

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Publication number
KR100447154B1
KR100447154B1 KR1019970043541A KR19970043541A KR100447154B1 KR 100447154 B1 KR100447154 B1 KR 100447154B1 KR 1019970043541 A KR1019970043541 A KR 1019970043541A KR 19970043541 A KR19970043541 A KR 19970043541A KR 100447154 B1 KR100447154 B1 KR 100447154B1
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South Korea
Prior art keywords
cold air
compartment
cool air
refrigerator
evaporator
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KR1019970043541A
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Korean (ko)
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KR19990020100A (en
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박상태
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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
    • F25D2317/063—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 with air guides
    • 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

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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

PURPOSE: A refrigerator is provided to decrease thermodynamic loss and power consumption by reducing difference between temperature of inflow air and cool air of the refrigerator compartment and the entropy, and to cut down manufacturing cost by simplifying the structure of the cool air passage. CONSTITUTION: Cool air is streamed through an evaporator(4) to exchange heat into a freezer compartment(13), and flowed into a refrigerator compartment(14). A cool air passage(101) is formed in series to circulate cool air through the refrigerator compartment into the evaporator. The cool air passage is formed around the freezer compartment and the refrigerator compartment to flow cool air in and out, and composed of a bypass pipe(102) and a damper(103) regulating cool air through the bypass pipes. Cool air is streamed partially through the bypass pipe into the evaporator without passing the refrigerator compartment and the freezer compartment by regulating the damper.

Description

냉장고{Refrigerator}Refrigerator {Refrigerator}

본 발명은 냉장고에 관한 것으로서, 좀더 구체적으로는 상기 냉장고의 냉동실 및 냉장실로 냉기를 안내하는 냉기유로에 관한 것이다.The present invention relates to a refrigerator, and more particularly to a cold air flow path for guiding cold air to the freezer compartment and the refrigerating compartment of the refrigerator.

일반적으로 냉장고는 음식물 등을 냉동시키거나 냉장시키기 위해 사용되는 가전제품으로서, 상기 냉장고에는 음식물 등을 냉동 및 냉장하기 위해 냉기를 발생시키는 냉동싸이클이 구비되어 있다.In general, a refrigerator is a home appliance used to freeze or refrigerate food, and the like, and the refrigerator is provided with a freezing cycle that generates cold air to freeze and refrigerate food and the like.

이와같은 냉동싸이클에 의한 냉기를 발생시키는 과정을 보면 첨부된 도 1과 같이 압축기(1)가 구동되어 저온,저압의 기체냉매를 고온,고압의 기체냉매로 압축시키면 이 압축된 고온,고압의 기체냉매는 응축기(2)를 통과하면서 중온,고압의 액체냉매로 변환된 다음 모세관(3)을 통과하며 저온,저압의 액체냉매로 변환되고 계속해서 증발기(4)를 통가하면서 저온,저압의 기체냉매로 변환되는데, 이때 상기 증발기(4)주위를 지나는 공기로부터 열을 빼앗는 증발작용이 일어나므로 냉기가 발생된다.Referring to the process of generating cold air by such a refrigeration cycle, the compressor 1 is driven as shown in FIG. 1 to compress the low-temperature and low-pressure gas refrigerant into high-temperature and high-pressure gas refrigerant. The refrigerant is converted into a medium temperature and high pressure liquid refrigerant while passing through the condenser (2), then through a capillary tube (3), is converted into a low temperature, low pressure liquid refrigerant, and then passed through the evaporator (4), a low temperature, low pressure gas refrigerant In this case, since the evaporation action takes away heat from the air passing around the evaporator 4, cold air is generated.

한편, 상기 발생된 냉기는 일정한 냉기유로를 따라 냉장고의 냉동실 및 냉장실로 유입되는데, 이와같은 종래 냉기유로의 구성을 첨부된 도 2를 참고로 설명하면 다음과 같다.On the other hand, the generated cold air is introduced into the freezer compartment and the refrigerating chamber of the refrigerator along a constant cold air flow path, the configuration of such a conventional cold air flow path will be described with reference to FIG.

증발기(4)의 냉기 출구측 냉기유로(11)내에는 팬(fan)(12)이 설치되어 있고, 상기 냉기유로(11)의 일단에는 냉동실(13) 및 냉장실(14)로 냉기가 분산되어 유입되도록 냉동실 유입관(15)과 냉장실 유입관(16)이 분기된 상태로 상기 각 냉동실(13) 및 냉장실(14)에 연통되게 설치되어 있다.A fan 12 is installed in the cold air flow passage 11 at the cold air outlet side of the evaporator 4, and cold air is dispersed in the freezing chamber 13 and the refrigerating chamber 14 at one end of the cold air flow passage 11. The freezer compartment inlet pipe 15 and the refrigerating compartment inlet tube 16 are branched so as to be in communication with each of the freezer compartment 13 and the refrigerating compartment 14.

또한, 상기 각 냉동실(13) 및 냉장실(14)의 냉기 유출측에는 냉동실 유출관(17)과 냉장실 유출관(18)이 설치되어 있고, 상기 냉동실 유출관(17)과 냉장실 유출관(18)의 일단에는 냉기유로(11)가 연결되어 있다.Further, a freezer compartment outlet tube 17 and a refrigerator compartment outlet tube 18 are provided on the cold air outlet side of each of the freezer compartment 13 and the refrigerating compartment 14, and the freezer compartment outlet tube 17 and the refrigerating compartment outlet tube 18 are provided. The cold air flow passage 11 is connected at one end.

따라서, 상기 냉기흐름을 보면 먼저 증발기(4)내의 냉매에 의해 상기 증발기주위 공기가 열교환이 이루어지면 마이콤(도시는 생략함)의 지시에 따라 팬(12)이 작동하게되고 이에따라 상기 증발기(4)주위의 열교환된 차가운 공기가 냉기유로(11)를 따라 흐르게 된다.Accordingly, when the cold air flow is viewed, first, when the air surrounding the evaporator is heat exchanged by the refrigerant in the evaporator 4, the fan 12 is operated according to the instruction of the microcomputer (not shown), and thus the evaporator 4 The surrounding heat-exchanged cold air flows along the cold air passage 11.

계속해서 흐르는 열교환된 차가운 냉기는 냉기유로(11)를 따라 흐르다가 냉동실 유입관(15) 및 냉장실 유입관(16)에 일정량 분기되어 냉동실(13) 및 냉장실(14)내로 유입되게 된다.The continuously exchanged cold cold air flows along the cold air passage 11 and branches to the freezer compartment inlet tube 15 and the refrigerator compartment inlet tube 16 in a predetermined amount to be introduced into the freezer compartment 13 and the refrigerator compartment 14.

상기 냉동실(13) 및 냉장실(14)내로 유입된 냉기는 냉동실(13) 및 냉장실(14)내를 순환하며 음식물에 대한 냉동 및 냉장을 하게되고 상기 순환된 냉기는 냉동실 유출관(17) 및 냉장실 유출관(18)을 통하여 냉기유로(11)에 유입되게 된다.The cold air introduced into the freezing compartment 13 and the refrigerating compartment 14 circulates in the freezing compartment 13 and the refrigerating compartment 14 and freezes and refrigerates food, and the circulated cold air is freezer outlet pipe 17 and the refrigerating compartment. It flows into the cold air flow path 11 through the outflow pipe 18.

상기 냉기유로에 유입된 온도가 높아진 냉기는 다시 증발기(4)측을 통과하며 열교환되어 온도가 낮아진 다음 상기와 같이 냉기유로(11)를 따라 순환하게 되는 것이다.The cold air having a high temperature introduced into the cold air flow path passes through the evaporator 4 side and heat exchanges to lower the temperature, and then circulates along the cold air flow path 11 as described above.

그러나 종래에는 상기한 바와같이 냉기유로가 냉동실 유입관 및 냉장실 유입관으로 병렬로 되어 있어 냉동실로 유입되는 냉기와 냉장실로 유입되는 온도가 비슷하였는데, 이로인해 냉장실 유입관측 냉기와 냉장실내 냉기의 온도차가 냉동실에 비해 상당히 크게되었다.However, in the related art, the cold air flow path is parallel to the freezer compartment inlet tube and the refrigerator compartment inlet tube as described above, and thus the temperature introduced into the freezer compartment is similar to the temperature introduced into the freezer compartment. It was significantly larger than the freezer.

이에따른 비가역성의 증가로 열역학적인 손실이 발생하게 되었고 결국 냉장고의 소비전력이 많이 소모되는 문제점이 있었다.As a result, an increase in irreversibility has caused a thermodynamic loss and eventually consumes a lot of power consumption of the refrigerator.

본 발명은 상기와같은 문제점을 해결하기 위해 안출한 것으로서, 상기 냉기유로의 구조를 개선하여 열역학적인 손실을 줄임에따라 냉장고의 소비전력을 줄임은 물론 상기 냉기유로의 구조를 단순화하여 생산원가를 줄이는데 그 목적이 있다.The present invention has been made to solve the above problems, and according to the improvement of the structure of the cold air flow path to reduce the thermodynamic losses, as well as to reduce the power consumption of the refrigerator as well as to simplify the structure of the cold air flow path to reduce the production cost The purpose is.

상기 목적을 해결하기 위한 본 발명의 형태에 따르면 증발기를 통과하여 열교환된 냉기가 냉동실내에 유입되어 상기 냉동실내를 순환한 다음 냉장실내로 유입되도록 냉기유로를 형성한 것을 특징으로하는 냉장고가 제공된다.According to an aspect of the present invention for solving the above object is provided a refrigerator characterized in that the cold air exchanged through the evaporator is introduced into the freezer compartment to form a cold air flow path circulating in the freezer compartment and then introduced into the refrigerating compartment.

도 1은 냉장고의 냉매 싸이클을 나타낸 블록도1 is a block diagram showing a refrigerant cycle of a refrigerator

도 2는 종래의 냉기유로를 나타낸 구성도2 is a configuration diagram showing a conventional cold air flow path

도 3은 본 발명의 냉기유로를 나타낸 구성도3 is a configuration diagram showing a cold air flow path of the present invention

도면의 주요부분에 대한 부호의 설명Explanation of symbols for main parts of the drawings

4 : 증발기 13 : 냉동실4: evaporator 13: freezer

14 : 냉장실 101 : 냉기유로14: refrigerator compartment 101: cold air flow path

이하, 본 발명의 구성을 일 실시예로 나타낸 첨부된 도 3을 참고로 더욱 상세히 설명하면 다음과 같다.Hereinafter, the configuration of the present invention in more detail with reference to the accompanying Figure 3 showing an embodiment as follows.

도 3은 본 발명의 냉기유로를 나타낸 구성도로서, 본 발명의 구성중 종래의 구성과 동일한 부분은 그 설명을 생략하고 동일부호를 부여하기로 한다.Figure 3 is a configuration diagram showing a cold air flow path of the present invention, the same parts as the conventional configuration of the configuration of the present invention will be omitted with the same reference numerals will be given.

본 발명은 증발기(4)를 통과하여 열교환된 냉기가 냉동실(13)내로 유입되어 상기 냉동실내를 순환한 다음 온도가 높아진 상태로 냉장실(14)내로 유입되어 상기 냉장실내를 순환시킨후 다시 증발기(4)측으로 전달되도록 냉기유로(101)를 직렬로 형성한 것이다.In the present invention, the cold heat exchanged through the evaporator (4) flows into the freezer compartment (13) to circulate the inside of the freezer compartment, and then flows into the refrigerating compartment (14) in a state where the temperature is high to circulate the inside of the refrigerating compartment and then evaporator ( The cold air flow path 101 is formed in series so as to be delivered to the 4) side.

또한, 상기 냉기가 유입 및 유출되는 각 냉동실(13)과 냉장실(14)근방의 냉기유로(101)에는 바이패스(Bypath)관(102)을 각각 설치하고, 상기 각 바이패스관에는 흐르는 냉기량을 조절하도록 댐퍼(Damper)(103)를 설치한 것이다.In addition, a bypass path 102 is installed in each of the cold air passages 101 near the freezing chamber 13 and the refrigerating chamber 14 through which the cold air flows in and out, and the amount of cold air flowing in each of the bypass pipes. It is to install a damper (Damper) (103) to adjust.

이와같이 구성된 본 발명의 작용을 설명하면 다음과 같은데, 이미 설명된 부분과 동일한 부분은 그설명을 생략하고 동일부호를 부여하기로 한다.Referring to the operation of the present invention configured as described above is as follows, the same parts as already described will be omitted the description and given the same reference numerals.

먼저, 증발기(4)주위의 공기가 열교환되어 차가워지면 팬(12)이 작동하여 상기 열교환된 냉기가 냉기유로(101)를 따라 흐르게 되는데, 상기 흐르는 냉기는 냉동실(13)내로 유입되어 상기 냉동실내를 순환하며 음식물을 냉동시킨다음 상기 냉동실(13)로부터 유출되어 온도가 일정량 상승된 상태로 냉장실(14)내로 유입된다.First, when the air around the evaporator 4 is cooled by heat exchange, the fan 12 is operated so that the heat-exchanged cold air flows along the cold air flow path 101. The flowing cold air is introduced into the freezing chamber 13 and is inside the freezing chamber. After circulating the food to freeze the food flows out from the freezing chamber 13 is introduced into the refrigerating chamber 14 in a state in which the temperature is raised by a certain amount.

그리고 상기 냉장실내로 유입된 냉기는 냉장실(14)내를 순환한 다음 냉기유로(101)를 따라 증발기(4)측으로 유입되어 상기한 바와같이 냉기유로(101)를 따라 순환하게 되는 것이다.The cold air introduced into the refrigerating chamber is circulated in the refrigerating chamber 14 and then flows into the evaporator 4 along the cold air passage 101 to circulate along the cold air passage 101.

여기서, 상기 냉장실(14)내로 유입되는 냉기는 냉장실내에 있던 냉기와 그 온도에 있어서 별차이가 없으므로 이에따라 비가역성 즉, 엔트로피가 종래의 병렬유로보다 줄어들게된다.Here, since the cold air introduced into the refrigerating compartment 14 is not different from the cold in the refrigerating compartment and its temperature, the irreversibility, that is, entropy, is reduced accordingly.

한편, 상기와같은 직렬유로에 의한 냉동실(13) 및 냉장실(14)의 온도 조절은 각각 설치된 바이패스관(102)의 댐퍼(103)를 조절하는데, 상기 댐퍼를 조절하게되면 냉기유로(101)를 따라 흐르는 냉기의 일부가 냉동실(13) 및 냉장실(14)로 거치지 않고 상기 바이패스관(102)을 따라 증발기(4)로 향하는 냉기유로(101)를 따라 흐르게 되는 것이다.On the other hand, the temperature control of the freezing chamber 13 and the refrigerating chamber 14 by the series passage as described above controls the damper 103 of the bypass pipe 102 installed, respectively, if the damper is adjusted to the cold air flow path 101 A portion of the cold air flowing along the freezing chamber 13 flows along the cold air passage 101 toward the evaporator 4 along the bypass pipe 102 without passing through the freezing chamber 13 and the refrigerating chamber 14.

이상에서와같이 본 발명은 냉장실로 유입되는 냉기와 냉장실내의 냉기 온도차가 크지 않으므로 비가역성 즉, 엔트로피가 종래의 병렬유로보다 줄어들게 되어 열역학적인 손실을 줄일수 있었는데, 이로인해 냉장고의 소비전력을 줄이는 효과가 있었다.As described above, in the present invention, since the temperature difference between the cold and the cold air introduced into the refrigerating compartment is not large, irreversibility, that is, entropy is reduced compared to the conventional parallel flow path, thereby reducing the thermodynamic loss, thereby reducing the power consumption of the refrigerator. There was.

또한, 냉기유로가 종래의 병렬유로가 아닌 직렬유로이므로 구조가 간단하여 생산원가가 절감되는 효과가 있었다.In addition, since the cold air flow path is a series flow path rather than the conventional parallel flow path, the structure is simple, and thus the production cost is reduced.

Claims (2)

증발기를 통과하여 열교환된 냉기가 냉동실내에 유입되어 상기 냉동 실내를 순환한 다음 냉장실내로 유입되도록 하는 냉기유로가 형성되되,A cold air flow path is formed so that the cold air exchanged through the evaporator flows into the freezing compartment, circulates through the freezing chamber, and then flows into the refrigerating compartment. 상기 냉기유로 상에는On the cold air flow path 상기 냉동실의 입구측 및 출구측 유로와, 상기 냉장실의 입구측 및 출구측 유로에 각각 설치되어 바이패스관과;A bypass pipe disposed in each of the inlet and outlet side flow paths of the freezer compartment and the inlet and outlet side flow paths of the refrigerating compartment; 상기 각 바이패스관에는 흐르는 냉기량을 조절하도록 설치된 조절부재;를 포함하여 구성됨을 특징으로 하는 냉장고.Each of the bypass pipe is a refrigerator, characterized in that it comprises a; adjustment member is installed to adjust the amount of cold air flowing. 제 1 항에 있어서,The method of claim 1, 상기 조절부재는 댐퍼(Damper)인 것을 특징으로 하는 냉장고.The control member is a refrigerator, characterized in that the damper (Damper).
KR1019970043541A 1997-08-30 1997-08-30 Refrigerator KR100447154B1 (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0162454B1 (en) * 1995-12-29 1999-03-20 구자홍 Refrigerator control apparatus using a linear compressor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0162454B1 (en) * 1995-12-29 1999-03-20 구자홍 Refrigerator control apparatus using a linear compressor

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