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KR20010056077A - Freeze preventing apparatus for refrigerator control box and control method thereof - Google Patents

Freeze preventing apparatus for refrigerator control box and control method thereof Download PDF

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Publication number
KR20010056077A
KR20010056077A KR1019990057496A KR19990057496A KR20010056077A KR 20010056077 A KR20010056077 A KR 20010056077A KR 1019990057496 A KR1019990057496 A KR 1019990057496A KR 19990057496 A KR19990057496 A KR 19990057496A KR 20010056077 A KR20010056077 A KR 20010056077A
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KR
South Korea
Prior art keywords
control box
refrigerator
freezing
cold air
door
Prior art date
Application number
KR1019990057496A
Other languages
Korean (ko)
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KR100339577B1 (en
Inventor
안웅섭
Original Assignee
구자홍
엘지전자 주식회사
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Priority to KR1019990057496A priority Critical patent/KR100339577B1/en
Publication of KR20010056077A publication Critical patent/KR20010056077A/en
Application granted granted Critical
Publication of KR100339577B1 publication Critical patent/KR100339577B1/en

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Classifications

    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/002—Defroster control
    • F25D21/004—Control mechanisms
    • 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
    • F25D21/002—Defroster control
    • F25D21/008—Defroster control by timer
    • 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
    • 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
    • F25D2600/00—Control issues
    • F25D2600/02—Timing
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/02—Sensors detecting door opening

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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 발명 냉장고 콘트롤박스의 결빙방지장치 및 그 제어방법는 본체(11)의 내부가 냉동실(12)과 냉장실(13)로 구분되어 있고, 냉장실(13)의 내부에 콘트롤 박스(16)가 설치되어 있으며, 그 콘트롤 박스(16)에는 냉기 유입구(18)가 형성되어 있는 냉장고에서 상기 냉기 유입구(18)의 주변에 결빙방지용 히터(20)를 설치하여, 물방울이 결빙되어 콘트롤 박스에 성애가 발생되는 것을 방지한다.In the refrigerator control box and the control method of the present invention, the inside of the main body 11 is divided into a freezer compartment 12 and the refrigerating compartment 13, the control box 16 is installed in the refrigerating compartment 13 In the control box 16, a cold air inlet 18 is provided in the refrigerator, and a heater for preventing frost is installed around the cold air inlet 18. prevent.

Description

냉장고 콘트롤박스의 결빙방지장치 및 그 제어방법{FREEZE PREVENTING APPARATUS FOR REFRIGERATOR CONTROL BOX AND CONTROL METHOD THEREOF}FREEZE PREVENTING APPARATUS FOR REFRIGERATOR CONTROL BOX AND CONTROL METHOD THEREOF}

본 발명은 냉장고 콘트롤박스의 결빙방지장치 및 그 제어방법에 관한 것으로, 특히 콘트롤 박스에 발생되는 물방울이 결빙되어 성애가 발생되는 것을 방지하도록 하는데 적합한 냉장고 콘트롤박스의 결빙방지장치 및 그 제어방법에 관한 것이다.The present invention relates to a freezing prevention device of the refrigerator control box and a control method thereof, and more particularly, to a freezing prevention device and a control method of the refrigerator control box suitable for preventing freezing of water droplets generated in the control box freezing. will be.

본체의 양측으로 냉동실과 냉장실이 양분되어 있고, 그 냉동실과 냉장실의 전면에 도어가 여닫을 수 있도록 설치되어 있는 양문여닫이용 냉장고가 도 1과 도 2에 도시되어 있는 바, 이를 간단히 설명하면 다음과 같다.The freezer compartment and the refrigerating compartment are divided into two sides of the main body, and a double door opening and closing refrigerator which is installed in the front of the freezer compartment and the refrigerating compartment so as to be opened and closed is shown in FIGS. 1 and 2. .

도 1은 종래 양문여닫이 냉장고의 구조를 보인 정면도로서, 도시된 바와 같이, 본체(1)의 내부에 냉동실(2)과 냉장실(3)이 구비되어 있고, 그 냉동실(2)과 냉장실(3)의 전면에는 여닫을 수 있도록 냉동실 도어(4)와 냉장실 도어(5)가 각각 설치되어 있으며, 상기 냉장실(3)의 내측 상부에는 냉동실(2)의 냉기가 냉장실(3)로 유입되는 콘트롤 박스(6)가 설치되어 있다.1 is a front view showing the structure of a conventional double door case refrigerator, and as shown, a freezer compartment 2 and a refrigerating compartment 3 are provided inside the main body 1, the freezer compartment 2 and the refrigerating compartment 3. A freezing compartment door 4 and a refrigerating compartment door 5 are respectively installed at the front of the refrigerator compartment, and a control box 6 into which the cold air of the freezing compartment 2 flows into the refrigerating compartment 3 is provided at an inner upper portion of the refrigerating compartment 3. ) Is installed.

상기 콘트롤 박스(6)는 플라스틱 사출물로된 박스본체(7)의 상단부에 냉동실(2)의 냉기가 냉장실(3)로 유입되는 2곳의 냉기유입구(8)이 형성되어 있다The control box 6 has two cold air inlets 8 through which cold air from the freezing chamber 2 flows into the refrigerating chamber 3 at the upper end of the box body 7 made of plastic injection molding.

상기와 같이 구성되어 있는 종래 양문여닫이 냉장고는 사용자가 냉동실 도어(4)를 열고 냉동실(2)에 음식물을 보관하고나 냉장실 도어(5)를 열고 냉장실(3)에 음식물을 보관하게 되는데, 그와 같이 보관되는 음식물들은 냉동실(2)과 냉장실(3)로 공급되는 냉기에 의하여 신선하게 보관된다.In the conventional double door swing refrigerator configured as described above, the user opens the freezer compartment door 4 to store food in the freezer compartment 2 or opens the refrigerator compartment door 5 to store the food in the refrigerator compartment 3, and The foods stored together are kept fresh by the cold air supplied to the freezer compartment 2 and the refrigerating compartment 3.

그리고, 상기 냉동실(2)에서 냉장실(3)로 유입되는 냉기는 콘트롤 박스(6)에 형성된 냉기 유입구(8)를 통하여 냉장실(3)의 내부로 유입된다.The cold air flowing into the refrigerating compartment 3 from the freezing compartment 2 is introduced into the refrigerating compartment 3 through the cold air inlet 8 formed in the control box 6.

그러나, 상기와 같이 구성되어 있는 종래 양문여닫이 냉장고는 도 3의 공정도에서와 같이, 사용자가 냉장실 도어(5)를 열면 냉동실의 팬모터(미도시)가 동작을 멈추게 되는데, 냉장실(3)의 내측으로는 유입되는 따뜻한 공기에 의하여 차가운 상태인 콘트롤 박스(6)의 냉기 유입구(8) 주변은 물방울이 맺히고, 그와 같은 물방울이 성에가 되어 냉기 유입구(8)을 막게 되는 문제점이 있었다.However, in the conventional double door swing refrigerator configured as described above, when the user opens the refrigerating compartment door 5 as shown in the process diagram of FIG. 3, the fan motor (not shown) of the freezing compartment stops operation, and the inside of the refrigerating compartment 3 is As the water droplets form around the cold air inlet 8 of the control box 6 in a cold state by the incoming warm air, such water droplets become frost and block the cold air inlet 8.

상기와 같은 문제점을 감안하여 안출한 본 발명의 목적은 콘트롤 박스에 결빙되는 것을 방지하여 냉기유입구에 성애가 발생되는 것을 방지하도록 하는데 적합한 냉장고 콘트롤박스의 결빙방지장치 및 그 제어방법을 제공함에 있다.An object of the present invention devised in view of the above problems is to provide an apparatus for preventing freezing of a refrigerator control box and a control method thereof, which are suitable for preventing freezing from occurring in a cold air inlet by preventing freezing at a control box.

도 1은 종래 양문여닫이 냉장고의 구조를 보인 정면도.1 is a front view showing the structure of a conventional double door case refrigerator.

도 2는 종래 콘트롤 박스의 구조를 보인 정면도.Figure 2 is a front view showing the structure of a conventional control box.

도 3은 종래 냉장실 도어 개방시의 작용을 보인 공정도.Figure 3 is a process diagram showing the action when opening the refrigerator compartment door conventional.

도 4는 본 발명 콘트롤박스의 결빙방지장치가 설치된 냉장고의 구조를 보인 정면도.Figure 4 is a front view showing the structure of a refrigerator equipped with an icing preventing device of the present invention control box.

도 5는 본 발명의 결빙방지장치가 설치된 콘트롤박스의 구조를 보인 정면도.Figure 5 is a front view showing the structure of the control box is installed the icing prevention device of the present invention.

도 6은 본 발명에서 냉장실 도어 개방시의 작용을 보인 공정도.Figure 6 is a process diagram showing the action when opening the refrigerator compartment door in the present invention.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

12 : 냉동실 13 : 냉장실12: freezer compartment 13: cold compartment

14 : 냉동실 도어 15 : 냉장실 도어14: freezer door 15: cold storage door

16 : 콘트롤 박스 18 : 냉기 유입구16: control box 18: cold air inlet

20 : 결빙방지용 히터20: frost prevention heater

상기와 같은 본 발명의 목적을 달성하기 위하여 냉동실의 냉기가 냉장실로 유입되는 냉기유입공이 형성된 콘트롤 박스가 냉장실의 내부에 설치되어 있는 냉장고에 있어서, 상기 콘트롤 박스가 결빙되지 않도록 냉기유입구의 주변에 결빙방지수단을 구비하여서 구성되는 것을 특징으로 하는 냉장고 콘트롤박스의 결빙방지장치가 제공된다.In order to achieve the object of the present invention as described above, in the refrigerator in which a control box having a cold air inlet hole into which a cold air of the freezer flows into the refrigerating chamber is installed in the refrigerating compartment, the control box is freed around the cold air inlet so as not to freeze. Provided is a freezing prevention device for a refrigerator control box, characterized in that it is provided with a prevention means.

또한, 냉장고의 콘트롤박스에 설치된 결빙방지장치의 제어방법에 있어서, 도어의 열림을 감지하기 위한 제1 단계와, 도어의 열림에 따라 히터를 온(ON)시키는제2 단계와, 도어의 닫힘을 감지하고 도어가 닫힌 시점부터 경과시간을 카운트하는 제3 단계와, 그와 같이 카운트되는 시간이 설정시간에 도달하였을때 히터를 오프(OFF)시키는 제4 단계로 제어되는 것을 특징으로 하는 냉장고 콘트롤박스의 결빙방지장치의 제어방법이 제공된다.In addition, in the control method of the anti-icing device installed in the control box of the refrigerator, a first step for detecting the opening of the door, a second step of turning on the heater in accordance with the opening of the door, and closing the door And a third step of counting the elapsed time from the time when the door is closed and the fourth step of turning off the heater when the counted time reaches the set time. Provided is a control method of an icing prevention device.

이하, 상기와 같이 구성되어 있는 본 발명 냉장고 콘트롤박스의 결빙방지장치를 첨부된 도면의 실시예를 참고하여 보다 상세히 설명하면 다음과 같다.Hereinafter, with reference to the embodiment of the accompanying drawings, the refrigerator control box of the present invention refrigerator control box configured as described above in more detail as follows.

도 4는 본 발명 콘트롤박스의 결빙방지장치가 설치된 냉장고의 구조를 보인 정면도이고, 도 5는 본 발명의 결빙방지장치가 설치된 콘트롤박스의 구조를 보인 정면도로서, 도시된 바와 같이, 본 발명 콘트롤 박스의 결빙방지장치가 설치된 냉장고는 본체(11)의 양측에 각각 냉동실(12)과 냉장실(13)이 구비되어 있고, 그 냉동실(12)과 냉장실(13)의 전면에는 여닫이식으로 여닫을 수 있도록 냉동실 도어(14)와 냉장실 도어(15)가 각각 설치되어 있으며, 상기 냉장실(13)의 내부에는 콘트롤 박스(16)가 설치되어 있다.4 is a front view showing the structure of a refrigerator provided with an icing preventing device of the present invention control box, and FIG. 5 is a front view showing a structure of a control box provided with an icing preventing device of the present invention, as shown in the present invention. Refrigerators equipped with the anti-icing device of the freezer compartment 12 and the refrigerating compartment 13 are provided on both sides of the main body 11, respectively, the freezer compartment 12 and the front of the refrigerating compartment 13 so that the opening and closing of the freezer compartment. The door 14 and the refrigerator compartment door 15 are provided, respectively, and the control box 16 is provided in the inside of the refrigerator compartment 13.

상기 콘트롤 박스(16)는 플라스틱 사출물로된 박스본체(17)의 상단부에 냉동실(12)의 냉기가 냉장실(13)로 유입되도록 하는 2곳의 냉기 유입구(18)가 형성되어 있고, 그와 같이 냉기 유입구(18)의 주변에는 결빙방지수단인 결빙방지용 히터(20)가 설치되어 있다.The control box 16 has two cold air inlets 18 formed at the upper end of the box body 17 made of a plastic injection product to allow the cold air of the freezing chamber 12 to flow into the refrigerating chamber 13. Around the cold air inlet 18 is provided a heater for preventing icing 20, which is an icing preventing means.

상기와 같은 냉장고는 사용자가 냉동실 도어(14)를 열고 냉동실(12)에 음식물을 보관하거나 냉장실 도어(15)를 열고 냉장실(13)에 음식물을 보관하는 상태에서 냉기가 냉동실(12)과 냉장실(13)의 내부로 공급되어 음식물을 신선하게 보관하는 것은 종래와 유사하다.In the refrigerator as described above, the user opens the freezer compartment 14 and stores food in the freezer compartment 12, or opens the refrigerator compartment door 15 and stores food in the refrigerator compartment 13. It is similar to the conventional to keep food freshly supplied to the inside of 13).

여기서, 본 발명은 상기 콘트롤 박스(16)에 형성된 냉기 유입구(18) 주변의 차가운 냉기와 사용자가 냉장실(13)을 열때의 더운 공기에 의하여 콘트롤 박스(16)에 물방울이 발생되는데, 이와 같은 물방울은 결빙방지용 히터(20)에 의하여 결빙되는 것이 방지된다.Here, in the present invention, water droplets are generated in the control box 16 by cold cold around the cold air inlet 18 formed in the control box 16 and hot air when the user opens the refrigerating chamber 13. Is prevented from being frozen by the icing heater 20.

즉, 도 6을 참조하여 설명하면, 냉장실 도어(15)를 열면 마이콤에서 이를 감지하여 결빙방지용 히터(20)를 온(ON)시키며, 그와 같이 결빙방지용 히터(20)가 온(ON)된 상태에서 냉장실 도어(15)가 계속 열려있으면 결빙방지용 히터(20)는 계속 온(ON)되고, 냉장실 도어(15)가 닫힌 상태에서는 일정시간동안 설정된 시간을 경과한 다음에 결빙방지용 히터(20)가 오프(OFF)되도록 하여 콘트롤 박스(16)에 발생된 물방울이 결빙되어 성애가 발생되는 것을 방지한다.That is, referring to FIG. 6, when the refrigerating compartment door 15 is opened, the microcomputer senses this and turns on the heater 20 for preventing icing. Thus, the heater 20 for preventing icing is turned on. If the refrigerating compartment door 15 remains open in the state, the icing heater 20 continues to be turned on, and in the state where the refrigerating compartment door 15 is closed, the icing prevention heater 20 elapses after a set time for a predetermined time. Is turned off to prevent freezing of water droplets generated in the control box 16 and freezing.

이상에서 상세히 설명한 바와 같이, 본 발명 냉장고 콘트롤박스의 결빙방지장치 및 그 제어방법은 냉장실의 내부에 콘트롤 박스가 설치되어 있고, 그 콘트롤 박스에 냉기 유입구가 형성되어 있는 냉장고에서 상기 콘트롤 박스의 냉기 유입구 주변에 결빙방지용 히터를 설치하여, 콘트롤 박스에 발생되는 물방울이 결빙되어 성애가 발생되는 것을 방지하는 효과가 있다.As described above in detail, the freezing prevention device and the control method of the refrigerator control box of the present invention is provided with a control box inside the refrigerator compartment, the cold air inlet of the control box in the refrigerator is formed in the control box cold air inlet. By installing a heater for preventing frost around, there is an effect of preventing the water droplets generated in the control box to freeze to generate sex.

Claims (3)

냉동실의 냉기가 냉장실로 유입되는 냉기유입구가 형성된 콘트롤 박스가 냉장실의 내부에 설치되어 있는 냉장고에 있어서, 상기 콘트롤 박스가 결빙되지 않도록 냉기유입구의 주변에 결빙방지수단을 구비하여서 구성되는 것을 특징으로 하는 냉장고 콘트롤박스의 결빙방지장치.A refrigerator in which a control box having a cold air inlet through which cold air of a freezer compartment flows into a refrigerating compartment is installed in a refrigerating compartment, wherein the control box is provided with an icing prevention means around the cold air inlet so that the control box does not freeze. Freezing prevention device of refrigerator control box. 제 1항에 있어서, 상기 결빙방지수단은 냉기 유입구의 주변을 일정시간 가열하여 물방울이 결빙되는 것을 방지하기 위한 결빙방지용 히터인 것을 특징으로 하는 냉장고 콘트롤박스의 결빙방지장치.The method of claim 1, wherein the freezing preventing means is a freezing prevention device of the refrigerator control box, characterized in that the anti-freezing heater for preventing the water droplets freezing by heating the vicinity of the cold air inlet for a predetermined time. 냉장고의 콘트롤박스에 설치된 결빙방지장치의 제어방법에 있어서, 도어의 열림을 감지하기 위한 제1 단계와, 도어의 열림에 따라 히터를 온(ON)시키는 제2 단계와, 도어의 닫힘을 감지하고 도어가 닫힌 시점부터 경과시간을 카운트하는 제3 단계와, 그와 같이 카운트되는 시간이 설정시간에 도달하였을때 히터를 오프(OFF)시키는 제4 단계로 제어되는 것을 특징으로 하는 냉장고 콘트롤박스의 결빙방지장치의 제어방법.In the control method of the anti-icing device installed in the control box of the refrigerator, the first step for detecting the opening of the door, the second step of turning on the heater according to the opening of the door, and detecting the closing of the door Freezing of the refrigerator control box characterized in that it is controlled by a third step of counting the elapsed time from the time when the door is closed, and a fourth step of turning off the heater when the counted time reaches the set time. Control method of prevention device.
KR1019990057496A 1999-12-14 1999-12-14 Freeze preventing apparatus for refrigerator control box and control method thereof KR100339577B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100873170B1 (en) * 2002-12-23 2008-12-10 엘지전자 주식회사 Refrigeration air volume distribution system device and control method
CN111936805A (en) * 2018-04-13 2020-11-13 开利公司 Method for defrosting a refrigeration system
EP4053478A1 (en) 2021-03-04 2022-09-07 LG Electronics Inc. Refrigerator
EP4130617A2 (en) 2021-08-03 2023-02-08 LG Electronics, Inc. Refrigerator and method of controlling operation thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100873170B1 (en) * 2002-12-23 2008-12-10 엘지전자 주식회사 Refrigeration air volume distribution system device and control method
CN111936805A (en) * 2018-04-13 2020-11-13 开利公司 Method for defrosting a refrigeration system
CN111936805B (en) * 2018-04-13 2022-07-05 开利公司 Method for defrosting a refrigeration system
EP4053478A1 (en) 2021-03-04 2022-09-07 LG Electronics Inc. Refrigerator
KR20220124925A (en) 2021-03-04 2022-09-14 엘지전자 주식회사 refrigerator
US12085328B2 (en) 2021-03-04 2024-09-10 Lg Electronics Inc. Refrigerator having heater in duct between compartments
EP4130617A2 (en) 2021-08-03 2023-02-08 LG Electronics, Inc. Refrigerator and method of controlling operation thereof
KR20230020164A (en) 2021-08-03 2023-02-10 엘지전자 주식회사 a refrigerator and operating method thereof

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