KR100443988B1 - kimchi Refrigerator and Control Method thereof - Google Patents
kimchi Refrigerator and Control Method thereof Download PDFInfo
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- KR100443988B1 KR100443988B1 KR20020037041A KR20020037041A KR100443988B1 KR 100443988 B1 KR100443988 B1 KR 100443988B1 KR 20020037041 A KR20020037041 A KR 20020037041A KR 20020037041 A KR20020037041 A KR 20020037041A KR 100443988 B1 KR100443988 B1 KR 100443988B1
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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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/04—Self-contained movable devices, e.g. domestic refrigerators specially adapted for storing deep-frozen articles
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/10—Preserving with acids; Acid fermentation
- A23B7/105—Leaf vegetables, e.g. sauerkraut
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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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/001—Arrangement or mounting of control or safety devices for cryogenic fluid systems
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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
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
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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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
Abstract
본 발명은, 적어도 하나의 저장실과, 상기 저장실의 실내를 냉각시키는 냉각장치와, 상기 저장실 내의 온도를 감지하는 온도센서를 갖는 김치냉장고에 관한 것으로서, 상기 온도센서에서 감지된 실내의 온도가 소정의 과도온도 이상이면 목표온도 이하로 연속적으로 과냉각시키고, 상기 온도센서에 의해 감지된 실내의 온도가 상기 과도온도 이하이면 단계적으로 냉각시켜 목표온도에 도달하도록 상기 냉각장치를 제어하는 제어부를 포함하는 것을 특징으로 한다. 이에 의하여, 효과적으로 저장실의 온도를 제어하여 실내의 결빙현상을 최소화하는 김치냉장고가 제공된다.The present invention relates to a kimchi refrigerator having at least one storage compartment, a cooling device for cooling the interior of the storage compartment, and a temperature sensor for sensing a temperature in the storage compartment, wherein the temperature of the room detected by the temperature sensor is predetermined. And a control unit for continuously cooling the temperature below the target temperature if the temperature is higher than the transient temperature, and controlling the cooling apparatus to reach the target temperature by gradually cooling the room temperature detected by the temperature sensor below the temperature transient temperature. It is done. Thereby, the kimchi refrigerator is provided to effectively control the temperature of the storage compartment to minimize the freezing of the room.
Description
본 발명은, 김치냉장고에 관한 것으로서, 보다 상세하게는 냉각실의 온도를감지하는 온도센서가 구비된 김치냉장고에 관한 것이다.The present invention relates to a kimchi refrigerator, and more particularly to a kimchi refrigerator equipped with a temperature sensor for sensing the temperature of the cooling chamber.
종래 김치냉장고(101)는, 도 1에 도시된 바와 같이, 외관을 형성하는 외부케이싱(110)내에 발포제충전공간을 두고 수용되어 상호 격리된 저장실(111) 및 기계실(113)을 형성하는 내부케이싱(120)을 가지고 있다.The conventional kimchi refrigerator 101, as shown in Figure 1, the inner casing to form the storage compartment 111 and the machine room 113 is accommodated with the foaming agent filling space in the outer casing 110 to form the exterior and mutually isolated Has 120.
외부케이싱(110)과 내부케이싱(120) 사이의 외벽면에는 내부케이싱(120)을 둘러싸도록 배치되는 증발기파이프(115) 및 히터(117)가 설치되어 있으며, 기계실(113) 내부에는 증발기로 냉매를 공급하는 압축기(114) 등이 있다.On the outer wall surface between the outer casing 110 and the inner casing 120, an evaporator pipe 115 and a heater 117 are disposed to surround the inner casing 120, and inside the machine room 113, a refrigerant is used as an evaporator. There is a compressor 114 for supplying.
한편, 외부케이싱(110)과 내부케이싱(120) 사이의 발포제충전공간에는 저장실(111) 내부의 온도를 감지하는 온도센서(119)와, 온도센서(119)에서 감지된 저장실(111)의 온도를 미리 정해진 저장온도와 비교하여 저장실(111)의 실내온도를 제어하는 제어부(미도시)가 마련되어 있다. 그리고 온도센서(119)는 내부케이싱(120)의 외표면에 접촉되도록 설치되어 있다.Meanwhile, in the foaming agent filling space between the outer casing 110 and the inner casing 120, a temperature sensor 119 for sensing a temperature inside the storage chamber 111 and a temperature of the storage chamber 111 detected by the temperature sensor 119. A control unit (not shown) for controlling the room temperature of the storage compartment 111 is compared with a predetermined storage temperature is provided. The temperature sensor 119 is installed to contact the outer surface of the inner casing 120.
이러한 구성을 가진 종래의 김치냉장고(101)는, 온도센서(119)에 의해 감지된 저장실(111)의 실내온도가 미리 정해진 실내기(111)의 저장온도보다 높으면 제어부가 온도조절장치를 이용하여 저장실(111)의 실내온도를 급강하 시키게 된다.In the conventional kimchi refrigerator 101 having such a configuration, when the indoor temperature of the storage compartment 111 sensed by the temperature sensor 119 is higher than the predetermined storage temperature of the indoor unit 111, the control unit uses the temperature control device to store the storage compartment. The room temperature of the 111 will drop.
이러한 작동 방법은, 김치의 온도 및 저장실(111)의 온도를 고려하지 않고 저장온도(대략 -1℃~3℃)만을 고려하여 저장실(111)의 온도를 급강하 시킴으로서저장실(111) 내의 결빙 현상이 상승한다는 문제점이 있다.This operation method, by considering the storage temperature (approximately -1 ℃ ~ 3 ℃) dropping the temperature of the storage chamber 111 without considering the temperature of the kimchi and the temperature of the storage chamber 111, the freezing phenomenon in the storage chamber 111 is There is a problem to rise.
또한, 온도센서가 외부케이싱과 내부케이싱 사이의 발포제충전공간에서 내부케이싱의 외표면에 접촉하여 저장실의 내부온도를 감지하기 때문에, 저장실 내부의실제온도를 정확하게 감지하지 못하며, 저장실 내부의 온도변화에 신속하게 대응하지 못한다.In addition, since the temperature sensor detects the internal temperature of the storage compartment by contacting the outer surface of the inner casing in the foam filling space between the outer casing and the inner casing, the temperature sensor does not accurately detect the actual temperature of the interior of the storage compartment. Can't respond quickly
따라서, 본 발명의 목적은, 효과적으로 저장실의 온도를 제어하여 결빙현상을 최소화하는 김치냉장고 및 그 제어방법을 제공하는 것이다.Accordingly, it is an object of the present invention to provide a kimchi refrigerator and a control method thereof which effectively control the temperature of a storage compartment to minimize freezing.
도 1은 종래 발명의 단면도,1 is a cross-sectional view of a conventional invention,
도 2는 본 발명의 사시도,2 is a perspective view of the present invention,
도 3은 도 2의 Ⅲ-Ⅲ방향에서 본 단면도,3 is a cross-sectional view taken from the direction III-III of FIG. 2;
도 4는 본 발명의 제어블럭도,4 is a control block diagram of the present invention;
도 5은 본 발명의 제어흐름도,5 is a control flow chart of the present invention,
* 도면의 주요 부분에 대한 부호의 설명* Explanation of symbols for the main parts of the drawings
1 : 김치냉장고 15 : 톱커버1: kimchi refrigerator 15: top cover
17 : 기계실 20 : 저장실17: machine room 20: storage room
40 : 냉각장치 61 : 온도센서40: cooling device 61: temperature sensor
70 : 제어부 80 : 전원공급부70: control unit 80: power supply unit
상기 목적은, 본 발명에 따라, 적어도 하나의 저장실과, 상기 저장실의 실내를 냉각시키는 냉각장치와, 상기 저장실 내의 온도를 감지하는 온도센서를 갖는 김치냉장고에 있어서, 상기 온도센서에서 감지된 실내의 온도가 소정의 과도온도 이상이면 목표온도 이하로 연속적으로 과냉각시키고, 상기 온도센서에 의해 감지된 실내의 온도가 상기 과도온도 이하이면 단계적으로 냉각시켜 상기 목표온도에 도달하도록 상기 냉각장치를 제어하는 제어부를 포함하는 것을 특징으로 하는 김치냉장고에 의해 달성된다.According to the present invention, in the kimchi refrigerator having at least one storage compartment, a cooling device for cooling the room of the storage compartment, and a temperature sensor for sensing the temperature in the storage compartment, the indoor sensor detected by the temperature sensor A control unit for continuously cooling the temperature below the target temperature if the temperature is above a predetermined transient temperature, and controlling the cooling device to reach the target temperature by gradually cooling the room temperature detected by the temperature sensor below the transient temperature. It is achieved by the kimchi refrigerator characterized in that it comprises a.
여기서, 상기 온도센서는 상기 저장실의 내벽면에 마련되는 것이, 저장실의 내부 온도를 정확히 감지할 수 있어 바람직하다.Here, the temperature sensor is preferably provided on the inner wall surface of the storage compartment, it is preferable to accurately detect the internal temperature of the storage compartment.
한편, 상기 목적은, 적어도 하나의 저장실과, 상기 저장실을 냉각시키는 냉각장치와, 상기 저장실 내의 온도를 감지하는 온도센서를 갖는 김치냉장고의 제어방법에 있어서, 소정의 과도온도를 설정하는 단계와, 상기 온도센서로 감지된 상기 저장실 내의 온도를 상기 과도온도와 비교하는 단계와; 상기 저장실내의 온도가 상기 과도온도 이상이면 상기 저장실을 목표온도 이하로 과냉각 시키는 단계와; 상기저장실내의 온도가 상기 과도온도 이하이면 상기 저장실의 온도를 단계적으로 상기 목표온도에 도달하게 하는 단계를 포함하는 것을 특징으로 하는 김치냉장고의 제어방법에 의해서도 달성된다.On the other hand, the object of the Kimchi refrigerator control method having at least one storage chamber, a cooling device for cooling the storage chamber, and a temperature sensor for sensing the temperature in the storage chamber, the step of setting a predetermined transient temperature, Comparing the temperature in the storage chamber sensed by the temperature sensor with the transient temperature; Supercooling the storage compartment below a target temperature if the temperature in the storage compartment is above the transient temperature; It is also achieved by the control method of the kimchi refrigerator characterized in that it comprises the step of reaching the target temperature step by step the temperature of the storage room if the temperature in the storage room is below the transient temperature.
이하에서는 첨부도면을 참조하여 본 발명에 대해 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
이들 도면에 도시된 바와 같이, 본 발명에 따른 김치냉장고(1)는, 한 쌍의 저장실(20)이 형성되어 있는 본체(10)와, 본체(10)의 상부에 결합되어 저장실(20)의 도어개구를 회동 개폐하는 도어(5)를 구비하고 있다.As shown in these figures, the kimchi refrigerator 1 according to the present invention is coupled to the upper body of the main body 10 and the main body 10, the pair of storage chamber 20 is formed of the storage chamber 20 The door 5 which rotates opening and closing a door opening is provided.
본체(10)는 외관을 형성하는 외부케이싱(11)과, 외부케이싱(11)내에 발포제충전간격을 두고 수용되어 저장실(20)을 형성하는 내부케이싱(13)과, 본체(10)의 상단부에 결합되어 각 저장실(20)의 상향 개구를 형성하는 톱커버(15)를 갖는다. 그리고, 본체(10)의 내측 하부영역에는 저장실(20)과 격리된 기계실(17)이 형성되어 있으며, 톱커버(15)의 전방에는 사용자가 김치냉장고(1)의 운전모드를 조작할 수 있는 조작패널부(미도시)가 마련되어 있다.The main body 10 includes an outer casing 11 for forming an exterior, an inner casing 13 for receiving a foam filling gap in the outer casing 11 to form a storage compartment 20, and an upper end of the main body 10. It has a top cover 15 that is combined to form an upward opening of each storage compartment 20. In addition, a mechanical chamber 17 is isolated from the storage compartment 20 in the inner lower region of the main body 10, and in front of the top cover 15, the user can operate the operation mode of the kimchi refrigerator 1. An operation panel portion (not shown) is provided.
본체(10)에는 김치냉장고(1)의 운전모드가 냉각모드일 때 저장실(20)의 내부온도를 소정의 저장온도로 냉각시키는 냉각장치(40)와, 김치냉장고(1)의 운전모드가 숙성모드일 때 저장실(20)의 내부온도를 소정의 숙성온도로 상승시키는 히터(43)가 마련되어 있다. 또한, 본체(10)에는 각 저장실(20)의 내부온도를 감지하는 온도센서(61)와, 선택된 운전모드 및 온도센서(61)에서 감지된 저장실(20)의 온도에 기초하여 냉각장치(40)를 제어하는 제어부(70)와, 각 기기들에 전원을 공급하는 전원공급부(80)가 마련되어 있다.In the main body 10, when the operation mode of the kimchi refrigerator 1 is the cooling mode, the cooling device 40 for cooling the internal temperature of the storage compartment 20 to a predetermined storage temperature and the operation mode of the kimchi refrigerator 1 are aged. In the mode, a heater 43 for raising the internal temperature of the storage chamber 20 to a predetermined aging temperature is provided. In addition, the main body 10 includes a temperature sensor 61 for sensing an internal temperature of each storage compartment 20, and a cooling device 40 based on the selected operation mode and the temperature of the storage compartment 20 sensed by the temperature sensor 61. ) And a power supply 80 for supplying power to the devices.
냉각장치(40) 및 히터(43)는, 후술할 제어부(70)에 의하여 김치냉장고(1)의 저장온도를 최적화시켜 김치를 보관 및 숙성시킨다.The cooling device 40 and the heater 43 store and mature kimchi by optimizing the storage temperature of the kimchi refrigerator 1 by the control part 70 mentioned later.
온도센서(61)는 저장실(20)의 내측 하부영역에 마련되는데, 온도센서(61)의 위치는 저장실(20)의 실내의 크기를 고려하여 내측 중앙부에 설치하는 것이 적당하고, 센서가 쉽게 착탈가능하게 내부케이싱(13)의 내측에 센서덮게(미도시)등을 설치하여 고장수리가 쉽도록 설치할 수 있다. 도 3은 온도센서가 저장실의 내측 하부영역에 마련되는 것으로 도시하고 있으나, 내부케이스의 외표면에 접촉되어 마련될 수 있음은 물론이다.Temperature sensor 61 is provided in the lower inner region of the storage compartment 20, the position of the temperature sensor 61 is appropriate to be installed in the inner center in consideration of the size of the interior of the storage compartment 20, the sensor is easily removable. It is possible to install a sensor cover (not shown) inside the inner casing 13 to facilitate troubleshooting. 3 shows that the temperature sensor is provided in the inner lower region of the storage compartment, but may be provided in contact with the outer surface of the inner case.
제어부(70)는 온도센서(61)에서 감지된 실내의 온도가 소정의 과도온도 이상이면 목표온도 이하로 연속적으로 과냉각시키고, 온도센서(61)에 의해 감지된 실내의 온도가 과도온도 이하이면 단계적으로 냉각시켜 목표온도에 도달하도록 냉각장치(40)를 제어한다.The controller 70 continuously cools the temperature below the target temperature if the indoor temperature detected by the temperature sensor 61 is greater than or equal to the predetermined temperature, and gradually steps if the indoor temperature detected by the temperature sensor 61 is less than the transient temperature. Cooling apparatus 40 is controlled to reach the target temperature by cooling.
예를들어, 저장실의 목표온도(또는 저장온도)가 3℃라면 과도온도를 7℃정도로 하여 온도센서(61)에 의해 센싱된 저장실(20)의 온도가 7℃ 이상이면, 제어부(70)는 목표온도 이하로 과냉각되도록 냉각장치(40)를 제어하여 저장물의 부폐를 막고, 저장실(20)의 온도가 7℃ 이하이면 단계적으로 서서히 냉각장치(41)를 운전하여 목표온도에 도달하게 한다.For example, if the target temperature (or storage temperature) of the storage compartment is 3 ° C, and the transient temperature is about 7 ° C, and the temperature of the storage compartment 20 sensed by the temperature sensor 61 is 7 ° C or more, the control unit 70 The cooling device 40 is controlled to supercool below the target temperature, thereby preventing the waste from being stored. When the temperature of the storage compartment 20 is 7 ° C. or lower, the cooling device 41 is gradually operated to reach the target temperature.
이러한 기준온도와 목표온도와의 차이는 결빙을 최소화 하면서도 저장물의 저장상태를 충분히 고려하여 적절히 설정해야 함이 바람직하다.This difference between the reference temperature and the target temperature should be properly set in consideration of the storage state of the storage while minimizing freezing.
냉각장치(40)는 기기부품실내에 설치되는 압축기(41)와, 압축기(41)로부터의냉매를 응축시키는 응축기(미도시)와, 응축기(미도시)로부터의 냉매를 증발시켜 저장실(20) 내부를 냉각시키는 증발기(43)와, 압축기(41)로부터의 냉매가 증발기(43)로 공급되는 것을 허용 및 차단하는 밸브(미도시) 등으로 이루어져 있다. 이때, 증발기(43)는 관상체로 제작되며 발포재충전공간에서 각 저장실(20)을 형성하는 내부케이싱(13)의 외표면을 둘러싸도록 설치되어 있다. 그리고, 히터(50)는 증발기(43)와 마찬가지로 발포재충전공간에서 각 저장실(20)을 형성하는 내부케이싱(13)의 외표면을 둘러싸도록 설치되어 있다.The cooling device 40 includes a compressor 41 installed in the apparatus part chamber, a condenser (not shown) for condensing the refrigerant from the compressor 41, and a refrigerant from the condenser (not shown) to evaporate inside the storage chamber 20. And an evaporator 43 for cooling the valves, and a valve (not shown) for allowing and blocking the refrigerant from the compressor 41 to be supplied to the evaporator 43. At this time, the evaporator 43 is made of a tubular body and is installed to surround the outer surface of the inner casing 13 which forms each storage chamber 20 in the foam filling space. In addition, the heater 50 is installed to surround the outer surface of the inner casing 13 which forms each storage chamber 20 in the foam filling space, similar to the evaporator 43.
도 5은 본 발명에 따른 김치냉장고의 냉각모드 제어흐름도이다. 도시된 바와 같이, 본 발명에 따른 김치냉장고(1)의 운전방법은 다음과 같다.5 is a flow chart of the cooling mode of the kimchi refrigerator according to the present invention. As shown, the operation method of the kimchi refrigerator 1 according to the present invention is as follows.
먼저, 소정의 과도온도가 제어부(70)에 설정 입력되어 있는 상태에서, 제어부는(70) 온도센서(61)의 동작을 확인한 후 센서동작표시부(미도시)를 통해 표시한다.First, in a state in which a predetermined transient temperature is set and input to the controller 70, the controller checks the operation of the temperature sensor 61 and then displays it through a sensor operation display unit (not shown).
그런 다음, 온도센서(61)가 정상적으로 작동을 하면, 온도센서(61)에 의해 실내온도측정(S01)을 시작한다.Then, when the temperature sensor 61 operates normally, the room temperature measurement S01 is started by the temperature sensor 61.
실내온도가 소정의 과도온도 이상이면 목표온도 이하로 연속적으로 과냉각(S03)시킨 후 저장실(20)의 온도를 정상적으로 제어하고, 실내온도가 소정의 과도온도 이하이면 단계적으로 냉각장치(40)를 제어하여 저장실(20)의 목표온도에 도달(S04)하게 한다.If the room temperature is greater than or equal to the predetermined transient temperature, after continuously cooling down to the target temperature (S03), the temperature of the storage compartment 20 is normally controlled. If the room temperature is less than the predetermined transient temperature, the cooling device 40 is gradually controlled. To reach the target temperature of the storage chamber 20 (S04).
여기서 단계적이라 함은, 일반적으로 냉동기의 운전을 온/오프함 으로서 저장실의 온도를 제어하는 통상적인 냉동장치의 가동을 의미하며, 연속적인 과냉각이라 함은 전술한 온/오프없이 냉동장치를 가동하여 저장실의 온도를 목표온도 이하로 냉각시키는 것을 의미한다.Here, step by step means generally operating an ordinary freezer that controls the temperature of the storage compartment by turning on / off the operation of the freezer, and continuous supercooling means operating the freezer without the above on / off. It means cooling the temperature of the storage chamber below the target temperature.
이러한 구성에 의하여, 온도센서 하나만으로 저장실의 온도를 측정하여 제어부에 미리 정해진 목표온도와 과도온도를 비교하여 냉각장치를 적절히 운전하게 하여, 종래의 발명이 가지고 있었던 목표온도 이상이면 과냉각을 시켜 결빙이 발생하게 하는 현상을 최소화할 수 있다.With this configuration, the temperature of the storage compartment is measured with only one temperature sensor, and the control unit compares the predetermined target temperature with the transient temperature so that the cooling device is properly operated. If the target temperature is higher than the target temperature of the conventional invention, the supercooling is performed. The phenomenon that occurs can be minimized.
이상 설명한 바와 같이, 본 발명에 따르면, 효과적으로 저장실의온도를 제어하여 결빙현상을 최소화하는 김치냉장고 및 그 제어방법이 제공된다.As described above, according to the present invention, there is provided a kimchi refrigerator and a control method thereof to effectively control the temperature of the storage compartment to minimize freezing.
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| KR100806313B1 (en) | 2007-03-30 | 2008-03-03 | 엘지전자 주식회사 | Controlling process for refrigerator |
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| KR100913142B1 (en) * | 2007-09-07 | 2009-08-19 | 삼성전자주식회사 | Refrigerator and control method thereof |
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| JPH03217775A (en) * | 1990-01-24 | 1991-09-25 | Hitachi Ltd | Refrigerator and control thereof |
| JPH0510643A (en) * | 1991-07-03 | 1993-01-19 | Orion Mach Co Ltd | Method for cooling food material in cooling device |
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