KR20020002872A - Refrigerator and temperature controlling method thereof - Google Patents

Refrigerator and temperature controlling method thereof Download PDF

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KR20020002872A
KR20020002872A KR1020000037213A KR20000037213A KR20020002872A KR 20020002872 A KR20020002872 A KR 20020002872A KR 1020000037213 A KR1020000037213 A KR 1020000037213A KR 20000037213 A KR20000037213 A KR 20000037213A KR 20020002872 A KR20020002872 A KR 20020002872A
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temperature
food
control
storage
refrigerator
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KR1020000037213A
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KR100334647B1 (en
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심용보
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윤종용
삼성전자 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
    • 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
    • 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
    • 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
    • F25D23/02—Doors; Covers
    • F25D23/026—Doors; Covers for open-top cabinets
    • 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
    • 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
    • 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

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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)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Storage Of Fruits Or Vegetables (AREA)

Abstract

PURPOSE: A refrigerator and method for controlling temperature of refrigerator is provided to store foodstuff in an efficient manner by controlling an allowable temperature range in accordance with the kind of foodstuff, while reducing power consumption by reducing the frequency of compressor operation. CONSTITUTION: A refrigerator comprises a storage kind selection unit(27) for selecting the kind of food stored into a storage chamber of the refrigerator; a temperature sensor(20) for sensing the temperature of the storage chamber; a memory(25) for storing the control temperature for each of food kinds, and allowable temperature ranges which are set different in accordance with the kind of food, base on the control temperature; and a control unit(10) for controlling the temperature of the storage chamber in accordance with the control temperature and the allowable temperature ranged stored in the memory. A method comprises a first step of selecting the kind of food to be stored in the storage chamber; a second step of sensing the temperature of the storage chamber; a third step of setting the control temperature for each food kind, and allowable temperature range for each food kind; and a fourth step of controlling the temperature of the storage chamber in accordance with the control temperature and the allowable temperature range.

Description

냉장고 및 그 온도제어방법{REFRIGERATOR AND TEMPERATURE CONTROLLING METHOD THEREOF}Refrigerator and temperature control method {REFRIGERATOR AND TEMPERATURE CONTROLLING METHOD THEREOF}

본 발명은 냉장고 및 그 온도제어방법에 관한 것으로서, 보다 상세하게는, 음식물의 종류에 따라 저장실내의 허용온도범위를 조절함으로써, 소비전력을 저하시킬 수 있도록 한 냉장고 및 그 온도제어방법에 관한 것이다.The present invention relates to a refrigerator and a temperature control method thereof, and more particularly, to a refrigerator and a temperature control method for reducing power consumption by adjusting an allowable temperature range in a storage compartment according to food type. .

냉장고중 김치냉장고는, 일반 냉장고와는 저장되는 음식물이 다르기 때문에 저장실의 허용온도범위가 일반 냉장고와는 상이하게 설정되어 있다. 일반적으로 김치냉장고에는 김치가 주로 저장되나, 김치 이외에도 육류·생선나 야채·과일 등도 저장된다. 이러한 김치와 육류·생선 또는 야채·과일은 서로 적정 저장온도가 다르며, 김치가 0℃를 기준으로 소정의 온도폭내에서 저장되어야 하는 반면, 야채·과일은 얼지 않도록 영상의 온도에서 보관해야 하며, 육류·생선은 신선도를 위해 영하의 온도에서 저장하여야 한다. 이에 따라, 김치냉장고에는 일반 냉장고에서처럼 강·중·약의 온도조절버튼 이외에도 저장되는 음식물의 종류를 선택할 수 있는 저장코스선택버튼이 형성되어 있다. 저장코스선택버튼은, 김치·식혜류, 육류·생선, 야채·과일을 각각 선택할 수 있는 복수의 버튼으로 형성되며, 제어부는 각 버튼 선택에 따라 미리 설정된 온도에 기초하여 저장실의 온도를 조절하게 된다.Kimchi refrigerator of the refrigerator is different from the normal refrigerator because the food stored in the food is different from the normal refrigerator. Kimchi is usually stored in Kimchi refrigerators, but meat, fish, vegetables, and fruits are stored in addition to kimchi. These kimchi and meat, fish or vegetables and fruits are different from each other in the proper storage temperature, while kimchi should be stored within a predetermined temperature range based on 0 ℃, vegetables and fruits should be stored at the temperature of the image so as not to freeze, meat Fish should be stored at sub-zero temperatures for freshness. Accordingly, the kimchi refrigerator has a storage course selection button for selecting the type of food to be stored in addition to the strong, medium, and weak temperature control buttons as in a normal refrigerator. The storage course selection button is formed of a plurality of buttons for selecting Kimchi, Sikhye, meat, fish, vegetables, and fruits, and the controller adjusts the temperature of the storage compartment based on the preset temperature according to the selection of each button. .

일반적으로 김치는 온도변화에 민감한 음식물로, 제어온도를 중심으로 허용온도범위가 작아야 하며, 일반적으로 김치의 제어온도는 -1.5℃이고, 제어온도인 -1.5℃를 기준으로 ±1.0℃의 온도내에서 관리한다. 이에 반해, 육류나 생선은 영하의 온도에서 제어온도를 기준으로 ±2∼3℃ 정도의 온도변화가 있어도 저장이 가능하며, 야채나 과일은 영상의 온도에서 제어온도를 기준으로 ±3∼4℃ 정도의 온도변화가 있어도 저장이 가능하다.In general, kimchi is a food sensitive to temperature change, and the allowable temperature range should be small around the control temperature. In general, kimchi's control temperature is -1.5 ℃ and the temperature is ± 1.0 ℃ based on the control temperature -1.5 ℃. Managed by On the other hand, meat and fish can be stored even if there is a temperature change of ± 2 ~ 3 ℃ based on the control temperature at sub-zero temperature, and vegetables or fruits can be stored at ± 3-4 ℃ based on the control temperature at the temperature of the image. Even if there is a change in temperature, it can be stored.

그런데, 이러한 종래의 김치냉장고의 경우에는 김치의 저장을 중심으로 온도가 제어되기 때문에, 허용온도범위가 작아야 하는 김치 저장시를 기준으로 온도를제어하고 있다. 즉, 저장실내의 허용온도범위가 작아야 하는 김치는 물론이고, 비교적 큰 온도변화에도 저장이 가능한 육류·생선과 야채·과일의 경우에도 모두 저장실내의 허용온도범위가 작도록 온도를 제어하고 있다. 따라서, 압축기를 자주 구동시킬 필요가 없는 육류·생선과 야채·과일의 저장시에도 압축기를 자주 구동시키게 된다. 일반적으로 압축기의 초기구동시 소비전력이 과도하게 소모되며, 이에 따라, 압축기를 자주 구동시키는 종래의 온도제어 하에서는 쓸데없이 잦은 압축기 구동으로 인해 소비전력이 상승한다는 문제점이 있다.However, in the conventional kimchi refrigerator, since the temperature is controlled based on the storage of kimchi, the temperature is controlled based on the kimchi storage time when the allowable temperature range is small. In other words, the temperature is controlled so that the allowable temperature range in the storage compartment is small, as well as the kimchi, which should be kept in the storage compartment, as well as meat, fish, vegetables, and fruits that can be stored under relatively large temperature changes. Therefore, the compressor is often driven even when storing meat, fish, vegetables, and fruits that do not need to be driven frequently. In general, the initial power consumption of the compressor is excessively consumed, and accordingly, there is a problem that the power consumption increases due to the unnecessary frequent drive of the compressor under the conventional temperature control which drives the compressor frequently.

따라서 본 발명의 목적은, 저장실내의 음식물의 종류에 따라 허용온도범위를 조절함으로써, 압축기의 구동시간을 조절하여 소비전력을 감소시킬 수 있도록 하는 냉장고 및 그 온도제어방법을 제공하는 것이다.Accordingly, an object of the present invention is to provide a refrigerator and a temperature control method thereof, by adjusting an operating temperature range according to the type of food in a storage compartment, thereby reducing power consumption by controlling a driving time of a compressor.

도 1은 김치냉장고의 단면도,1 is a cross-sectional view of the kimchi refrigerator,

도 2는 도 1의 김치냉장고의 조작패널 평면도,Figure 2 is a plan view of the operation panel of the kimchi refrigerator of Figure 1,

도 3은 본 발명에 따른 김치냉장고의 제어블럭도,3 is a control block diagram of kimchi refrigerator according to the present invention,

도 4는 도 3의 제어블럭도에 따른 김치냉장고의 제어흐름도이다.4 is a control flowchart of the kimchi refrigerator according to the control block diagram of FIG.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

10 : 제어부 11 : 압축기10 control unit 11 compressor

20 : 온도센서 25 : 메모리20: temperature sensor 25: memory

26 : 온도설정부 27 : 저장코스선택부26: temperature setting unit 27: storage course selection unit

31 : 전원버튼 40 : 저장코스선택버튼31: Power button 40: Save course selection button

상기 목적은, 본 발명에 따라, 음식물을 저장하는 적어도 하나의 저장실을 갖는 냉장고에 있어서, 상기 저장실내에 저장되는 음식물의 종류를 선택하는 저장코스선택부와; 상기 저장실내의 온도를 감지하는 온도센서와; 음식물의 종류에 따른 제어온도와, 상기 제어온도를 기준으로 소정의 폭을 가지며 상기 음식물의 종류에 따라 각기 상이한 허용온도범위가 저장된 메모리와; 상기 메모리에 저장된 제어온도와 허용온도범위에 따라 상기 저장실내의 온도를 제어하는 제어부를 포함하는 것을 특징으로 하는 냉장고에 의해 달성된다.According to the present invention, there is provided a refrigerator having at least one storage compartment for storing food, the refrigerator comprising: a storage course selection unit for selecting a kind of food stored in the storage chamber; A temperature sensor for sensing a temperature in the storage compartment; A memory having a control temperature according to the type of food, a predetermined width based on the control temperature, and storing different allowable temperature ranges according to the type of food; And a control unit for controlling the temperature in the storage compartment according to the control temperature and the allowable temperature range stored in the memory.

여기서, 상기 제어부는, 압축기의 구동시간과 구동주기를 조절하여 상기 저장실내의 허용온도범위를 조절하는 것이 바람직하다.Here, the control unit, it is preferable to adjust the allowable temperature range in the storage compartment by adjusting the drive time and drive cycle of the compressor.

상기 제어부는, 상기 허용온도범위가 크게 설정된 음식물이 저장된 경우, 상기 압축기의 구동시간을 단축하거나 구동주기가 길어지도록 제어하는 것이 바람직하다.The control unit may control to shorten the driving time of the compressor or to lengthen the driving period when the food having a large allowable temperature range is stored.

상기 허용온도범위는, 김치 등의 발효음식인 경우 약 ±0.5∼1.5℃이고, 야채나 과일인 경우에는 약 ±1.5∼4.5℃이고, 육류나 생선인 경우에는 ±1∼3℃으로 설정할 수 있다.The allowable temperature range may be set to about ± 0.5 to 1.5 ℃ for fermented foods such as kimchi, about ± 1.5 to 4.5 ℃ for vegetables or fruits, ± 1 to 3 ℃ for meat or fish .

한편, 상기 목적은, 본 발명의 다른 분야에 따르면, 음식물을 저장하는 적어도 하나의 저장실을 갖는 냉장고의 온도제어방법에 있어서, 상기 저장실에 저장되는 음식물의 종류를 선택하는 단계와; 상기 저장실내의 온도를 감지하는 단계와; 음식물의 종류에 따른 제어온도와, 상기 제어온도를 기준으로 소정의 폭을 가지며 상기 음식물의 종류에 따라 각기 상이한 허용온도범위를 설정하는 단계와; 상기 제어온도와 허용온도범위에 따라 상기 저장실내의 온도를 제어하는 단계를 포함하는 것을 특징으로 하는 냉장고의 온도제어방법에 의해서도 달성될 수 있다.According to another aspect of the present invention, there is provided a temperature control method of a refrigerator having at least one storage compartment for storing food, the method comprising: selecting a type of food stored in the storage compartment; Sensing a temperature in the storage compartment; Setting a control temperature according to the type of food and a different allowable temperature range according to the type of food having a predetermined width based on the control temperature; It can also be achieved by the temperature control method of the refrigerator comprising the step of controlling the temperature in the storage compartment in accordance with the control temperature and the allowable temperature range.

여기서, 상기 저장실내의 온도를 제어하는 단계는, 압축기의 구동시간과 구동주기를 조절하는 단계인 것이 바람직하다.Here, the controlling of the temperature in the storage chamber is preferably a step of adjusting the driving time and driving period of the compressor.

상기 저장실내의 온도를 제어하는 단계는, 상기 허용온도범위가 크게 설정된 음식물이 저장된 경우, 상기 압축기의 구동시간을 단축하거나 구동주기가 길어지도록 제어하는 단계인 것이 바람직하다.The controlling of the temperature in the storage chamber is preferably a step of controlling the driving time of the compressor to be shortened or the driving period is lengthened when food having a large allowable temperature range is stored.

상기 허용온도범위를 설정하는 단계는, 상기 허용온도범위를 김치 등의 발효음식인 경우 약 ±0.5∼1.5℃으로, 야채나 과일인 경우에는 약 ±1.5∼4.5℃으로, 육류나 생선인 경우에는 ±1∼3℃으로 설정하는 단계로 할 수 있다.In the setting of the allowable temperature range, the allowable temperature range is about ± 0.5 to 1.5 ℃ for fermented foods such as kimchi, about ± 1.5 to 4.5 ℃ for vegetables or fruits, and for meat or fish. It can be set as the +/- 1-3 degreeC.

이하, 도면을 참조하여 본 발명을 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the drawings.

김치냉장고는, 도 1에 도시된 바와 같이, 한 쌍의 저장실(7)이 형성된 캐비넷(1)을 가지며, 캐비넷(1)의 상부에는 각 저장실(7)의 도어개구를 각각 개폐하는 한 쌍의 도어(5)가 설치되어 있다.As shown in FIG. 1, the kimchi refrigerator has a cabinet 1 in which a pair of storage chambers 7 are formed, and a pair of opening and closing door openings of the storage chambers 7 are respectively opened on the upper part of the cabinet 1. The door 5 is provided.

캐비넷(1)은 외관을 형성하는 거의 사각통상의 외부케이싱(2)과, 외부케이싱(2)의 내부에 외부케이싱(2)으로부터 소정 이격공간을 두고 수용되어 각각 저장실(3)을 형성하는 한 쌍의 내부케이싱(4)을 가진다. 그리고, 캐비넷(1)의 전방 상단부에는 기기의 작동 및 온도조절과 저장환경 등을 조절하기 위한 조작패널(8)이 설치되어 있다.As long as the cabinet 1 is housed in a substantially rectangular cylindrical outer casing 2 forming an external appearance and a predetermined distance from the outer casing 2 inside the outer casing 2 to form a storage compartment 3, respectively. It has a pair of inner casings 4. And, the front upper end of the cabinet (1) is provided with an operation panel (8) for controlling the operation of the device and the temperature control and storage environment.

한편, 조작패널(8)에는, 도 2에 도시된 바와 같이, 각 저장실(7)의 전원공급 또는 설정상태의 변경시 사용하는 전원버튼(31)이 길이방향의 양단부에 형성되어 있고, 중앙영역에는 김치의 종류를 선택하는 김치종류 버튼(33)과, 김치의 저장온도를 조절하기 위한 김치맛 버튼(35)이 형성되어 있다. 그리고, 김치종류 버튼(33)과 김치맛 버튼(35)의 하부에는 저장하려는 음식물의 종류를 선택하기 위한 저장코스선택버튼(40)이 형성되어 있으며, 저장코스선택버튼(40)으로는 김치·식혜 버튼(36), 야채·과일 버튼(37), 육류·생선 버튼(38)으로 형성되어 있다. 여기서, 각 저장코스선택버튼(40)은 저장코스를 선택하는 경우에도 사용되고, 각 저장코스의 설정온도를 강·중·약으로 선택하는 때에도 사용된다. 이에 따라, 각저장코스선택버튼(40)에는 가변저항기가 전기적으로 연결되어 있으며, 온도설정시 저장코스선택버튼(40)의 가압에 따라 가변저항기의 저항값이 조절된다.On the other hand, in the operation panel 8, as shown in Fig. 2, the power button 31 used for supplying power or changing the setting state of each storage chamber 7 is formed at both ends in the longitudinal direction, and has a central area. The kimchi type button 33 for selecting the type of kimchi and the kimchi taste button 35 for adjusting the storage temperature of the kimchi are formed. And, below the kimchi type button 33 and the kimchi taste button 35, a storage course selection button 40 for selecting the type of food to be stored is formed, and the storage course selection button 40 as a kimchi · It is formed with the food-saving button 36, the vegetable and fruit button 37, and the meat and fish button 38. As shown in FIG. Here, each storage course selection button 40 is also used when selecting a storage course, and is also used when selecting the set temperature of each storage course as strong, medium or weak. Accordingly, the variable resistor is electrically connected to each storage course selection button 40, and the resistance value of the variable resistor is adjusted according to the pressurization of the storage course selection button 40 when the temperature is set.

한편, 캐비넷(1)내의 하부영역에 형성된 기기부품실에는 냉매를 압축하는 압축기(11)가 수용되어 있고, 압축기(11)는 각 저장실(7)내의 온도를 감지하는 한 쌍의 온도센서(20)로부터의 감지값에 따라 그 작동이 결정된다. 이러한 압축기(11)로부터의 냉매를 응축하는 고온배관인 응축기(17)는 캐비넷(1)의 양측벽에 가로방향으로 지그재그로 배치되어 있다. 그리고, 응축기(17)의 말단에는 응축된 냉매를 증발시키는 한 쌍의 증발기(13)가 병렬연결되어 있다. 증발기(13)는 각각 저장실(7)을 별도로 감싸며, 각 증발기(13)의 입구측에는 각 증발기(13)로의 냉매공급을 단속하는 도시않은 한 쌍의 밸브가 각각 설치되어 있다. 한편, 각 저장실(7)의 인접 영역에는 저장실(7)내의 음식물을 숙성시키기 위한 도시않은 히터가 설치되어 있다.In the meantime, a compressor 11 for compressing a refrigerant is accommodated in the device part chamber formed in the lower region of the cabinet 1, and the compressor 11 includes a pair of temperature sensors 20 for sensing a temperature in each storage chamber 7. The operation is determined by the detection value from. The condenser 17, which is a high temperature pipe for condensing the refrigerant from the compressor 11, is arranged in a zigzag horizontally on both side walls of the cabinet 1. At the end of the condenser 17, a pair of evaporators 13 for evaporating the condensed refrigerant are connected in parallel. The evaporator 13 respectively surrounds the storage chamber 7 separately, and a pair of valves (not shown) for intermittently supplying refrigerant to each evaporator 13 are provided at the inlet side of each evaporator 13. On the other hand, a heater (not shown) for aging food in the storage chamber 7 is provided in an adjacent region of each storage chamber 7.

이러한 김치냉장고를 제어하는 제어부(10)는, 도 3에 도시된 바와 같이, 각 저장실(7)의 온도를 감지하는 각 온도센서(20)와, 저장코스를 선택하는 저장코스선택부(27)와, 각 저장코스의 온도레벨을 설정하기 위한 온도설정부(26)로부터 정보를 제공받는다. 여기서, 저장코스선택부(27)와 온도설정부(26)는 단일의 저장코스선택버튼(40)에 의해 형성되며, 온도설정부(26)에서 온도조절시 저장코스선택버튼(40)에 연결된 가변저항기의 저항값이 변경된다. 이러한 제어부(10)는 각 온도센서(20)와 저장코스선택부(27) 및 온도설정부(26)로부터 입력된 정보와, 각 저장코스에 대한 제어온도와 허용온도범위가 저장된 메모리(25)로부터의 정보를 조합하여 판단하며, 판단결과에 따라 압축기구동회로(21)와 구동신호를 전달하여 압축기(11)를 구동시키게 된다.The control unit 10 for controlling the kimchi refrigerator, as shown in Figure 3, each temperature sensor 20 for sensing the temperature of each storage chamber 7 and the storage course selection unit 27 for selecting a storage course And the information is provided from the temperature setting unit 26 for setting the temperature level of each storage course. Here, the storage course selection unit 27 and the temperature setting unit 26 are formed by a single storage course selection button 40, and connected to the storage course selection button 40 when the temperature is adjusted in the temperature setting unit 26. The resistance value of the variable resistor is changed. The control unit 10 stores information input from each temperature sensor 20, a storage course selecting unit 27, and a temperature setting unit 26, a control temperature and an allowable temperature range for each storage course 25. Combination of the information from the determination, and the compressor driving circuit 21 and the drive signal is transmitted according to the determination result to drive the compressor (11).

메모리(25)에는, 각 저장코스의 강·중·약에 따라 설정된 제어온도와, 각 저장코스에 따라 제어온도를 기준으로 저장상한온도와 저장하한온도를 제한하는 허용온도범위가 저장되어 있다. 예를 들면, 김치·식혜의 경우 제어온도가 -1.5℃이며, 허용온도범위는 제어온도인 -1.5℃를 기준으로 ±0.5∼1.5℃이다. 육류·생선은 제어온도가 -3∼-4℃이며, 허용온도범위는 -3∼-4℃를 기준으로 ±1∼3℃이다. 야채·과일의 경우에는 제어온도가 3℃이고, 허용온도범위는 3℃를 기준으로 ±1.5∼4.5℃이다. 한편, 각 저장코스의 제어온도는 강·중·약의 선택에 따라 약간의 변동이 있다. 이에 따라, 제어부(10)는 저장코스선택부(27)에 의한 저장코스의 선택과 온도설정부(26)의 온도레벨 선택에 따라 메모리(25)에 저장된 허용온도범위내에서 저장실(7)내의 온도가 유지되도록 압축기(11)의 구동을 제어하게 된다.The memory 25 stores a control temperature set according to the strength, medium and weakness of each storage course, and an allowable temperature range for limiting the storage upper limit temperature and the storage lower limit temperature based on the control temperature according to each storage course. For example, in the case of Kimchi and Sikhye, the control temperature is -1.5 ℃ and the allowable temperature range is ± 0.5 ~ 1.5 ℃ based on the control temperature -1.5 ℃. Meat and fish have a control temperature of -3 to -4 ° C and an allowable temperature range of ± 1 to 3 ° C based on -3 to -4 ° C. In the case of vegetables and fruits, the control temperature is 3 ℃ and the allowable temperature range is ± 1.5 ~ 4.5 ℃ based on 3 ℃. On the other hand, the control temperature of each storage course fluctuates slightly depending on the choice of strong, medium and weak. As a result, the control unit 10 stores the storage course 7 within the allowable temperature range stored in the memory 25 according to the selection of the storage course by the storage course selecting unit 27 and the temperature level selection of the temperature setting unit 26. The driving of the compressor 11 is controlled to maintain the temperature.

이러한 구성에 의하여, 본 김치냉장고에 전원이 인가되면, 도 4에 도시된 바와 같이, 사용자는 전원버튼(31)을 이용하여 저장실(7)을 선택하고, 저장코스선택버튼(40)을 이용하여 저장코스를 선택하게 된다(S10). 이 때, 온도레벨도 선택할 수 있다. 사용자가 김치·식혜 코스를 선택하면(S20), 제어부(10)는 해당 온도센서(20)로부터 제공된 정보에 따라 저장실(7)의 온도를 판단한다(S30). 이 때, 저장실(7)의 온도가 김치·식혜의 제어온도인 -1.5℃를 기준으로 ±0.5∼1.5℃의 허용온도범위내에 위치하지 아니하면, 저장실(7)의 온도가 저장하한온도보다 낮은지를 다시 판단한다(S40). 판단결과 저장실(7)의 온도가 저장하한온도보다 낮은 경우에는 소정 시간 대기시켜 저장실(7)의 온도가 제어온도내에 위치하도록 한다(S35). 그리고, 저장실(7)의 온도가 저장하한온도보다 낮지 아니한 경우, 제어부(10)는 저장실(7)의 온도가 저장상한온도보다 높다고 판단하고, 압축기(11)를 구동시켜 저장실(7)의 온도를 저장하한온도까지 하강시킨 다음(S50,S60), 압축기(11)를 정지시킨다(S70). 그리고, 저장실(7)내의 온도가 설정된 허용온도범위내에서 유지되도록 압축기(11)를 구동 및 휴지시키게 된다.By this configuration, when the power is applied to the present kimchi refrigerator, as shown in Figure 4, the user selects the storage chamber 7 using the power button 31, using the storage course selection button 40 The storage course is selected (S10). At this time, the temperature level can also be selected. When the user selects the kimchi and Sikhye course (S20), the control unit 10 determines the temperature of the storage chamber 7 according to the information provided from the temperature sensor 20 (S30). At this time, if the temperature of the storage chamber 7 is not within the allowable temperature range of ± 0.5 to 1.5 ° C based on the control temperature of Kimchi and Sikhye, -1.5 ° C, the temperature of the storage chamber 7 is lower than the storage lower limit temperature. Determine again (S40). As a result of the determination, when the temperature of the storage chamber 7 is lower than the storage lower limit temperature, a predetermined time is waited so that the temperature of the storage chamber 7 is within the control temperature (S35). When the temperature of the storage chamber 7 is not lower than the storage lower limit temperature, the controller 10 determines that the temperature of the storage chamber 7 is higher than the upper storage upper limit temperature, and drives the compressor 11 to operate the temperature of the storage chamber 7. The temperature is lowered to the storage lower limit temperature (S50, S60), and the compressor 11 is stopped (S70). Then, the compressor 11 is driven and stopped so that the temperature in the storage chamber 7 is maintained within the set allowable temperature range.

마찬가지로, 야채·과일 코스가 선택된 경우, 제어부(10)는 저장실(7)의 온도가 제어온도인 3℃를 기준으로 ±1.5∼4.5℃ 범위내에 있는지(S120,S130), 저장하한온도보다 낮은지를 판단한다(S140). 판단결과에 따라, 저장실(7)의 온도가 저장하한온도보다 낮은 경우에는 소정 시간 대기시켜 저장실(7)의 온도가 제어온도내에 위치하도록 한다(S135). 그리고, 저장실(7)의 온도가 저장하한온도보다 낮지 아니한 경우, 제어부(10)는 저장실(7)의 온도가 저장상한온도보다 높다고 판단하고, 압축기(11)를 구동시켜 저장실(7)의 온도를 저장하한온도까지 하강시킨 다음(S150,S160), 압축기(11)를 정지시킨다(S170). 그런 다음, 저장실(7)의 온도가 야채·과일의 제어온도인 3℃를 기준으로 ±1.5∼4.5℃의 허용온도범위내에 위치하도록 압축기(11)를 구동 및 휴지시킨다.Similarly, when the vegetable and fruit course is selected, the control unit 10 determines whether the temperature of the storage chamber 7 is within a range of ± 1.5 to 4.5 ° C based on the control temperature of 3 ° C (S120, S130) or lower than the storage lower limit temperature. It is determined (S140). According to the determination result, when the temperature of the storage chamber 7 is lower than the storage lower limit temperature, the predetermined time is waited so that the temperature of the storage chamber 7 is located within the control temperature (S135). When the temperature of the storage chamber 7 is not lower than the storage lower limit temperature, the controller 10 determines that the temperature of the storage chamber 7 is higher than the upper storage upper limit temperature, and drives the compressor 11 to operate the temperature of the storage chamber 7. The temperature is lowered to the storage lower limit temperature (S150, S160), and the compressor 11 is stopped (S170). Then, the compressor 11 is driven and stopped so that the temperature of the storage chamber 7 is within an allowable temperature range of ± 1.5 to 4.5 ° C based on 3 ° C, which is a control temperature of vegetables and fruits.

육류·생선 코스의 경우에는 저장실(7)의 온도가 제어온도인 -3∼-4℃를 기준으로 ±1∼3℃의 범위내에 있는지(S220,S230), 저장하한온도보다 낮은지를 판단한다(S240). 판단결과에 따라 저장실(7)의 온도가 저장하한온도보다 낮은 경우에는 소정 시간 대기시켜 저장실(7)의 온도가 제어온도내에 위치하도록 한다(S235).그리고, 저장실(7)의 온도가 저장하한온도보다 낮지 아니한 경우, 압축기(11)를 구동시켜 저장실(7)의 온도를 저장하한온도까지 하강시킨 다음(S250,S260), 압축기(11)를 정지시킨다(S270). 그런 다음, 저장실(7)의 온도가 -3∼-4℃를 기준으로 ±1∼3℃ 허용온도범위내에 위치하도록 압축기(11)를 구동 및 휴지시킨다.In the case of meat and fish courses, it is determined whether the temperature of the storage chamber 7 is within the range of ± 1 to 3 ° C based on the control temperature of -3 to -4 ° C (S220, S230) or lower than the storage lower limit temperature ( S240). If the temperature of the storage chamber 7 is lower than the storage lower limit temperature according to the determination result, the temperature of the storage chamber 7 is located within the control temperature by waiting for a predetermined time (S235). When the temperature is not lower than the temperature, the compressor 11 is driven to lower the temperature of the storage chamber 7 to the lower storage temperature (S250, S260), and the compressor 11 is stopped (S270). Then, the compressor 11 is driven and stopped so that the temperature of the storage chamber 7 is within a tolerance range of ± 1 to 3 ° C based on -3 to -4 ° C.

이와 같이, 본 발명에서는 저장되는 식품에 따라 저장상한온도와 저장하한온도와의 차인 허용온도범위를 조절하고 있으며, 야채·과일이나 육류·생선의 허용온도범위가 김치·식혜의 허용온도범위보다 크도록 제어하고 있다. 이에 따라, 야채·과일이나 육류·생선의 경우에는 허용온도범위가 큰 만큼 압축기의 구동주기가 길어지게 되고, 압축기의 구동횟수가 감소하게 된다.As described above, according to the present invention, the allowable temperature range, which is the difference between the upper limit storage temperature and the lower limit storage temperature, is adjusted according to the stored food, and the allowable temperature range of vegetables, fruits, meat, and fish is larger than the allowable temperature range of Kimchi and Sikhye. To be controlled. As a result, in the case of vegetables, fruits, meat, and fish, the driving period of the compressor becomes longer as the allowable temperature range is larger, and the driving frequency of the compressor is reduced.

따라서, 압축기 구동초기에 소비전력이 과도히 소모되는 횟수가 감소함으로써, 전체적인 소비전력이 현저하게 감소하게 된다.Therefore, the number of times the power consumption is excessively consumed at the beginning of the compressor decreases, so that the overall power consumption is significantly reduced.

이상에서 설명한 바와 같이, 본 발명에 따르면, 음식물의 종류에 따라 저장실내의 허용온도범위를 조절함으로써, 음식물에 따라 적정한 온도범위내에서 음식물을 저장하여 효율적으로 저장할 수 있다. 또한, 압축기 구동횟수가 감소되어 전체적인 소비전력을 저하시킬 수 있다.As described above, according to the present invention, by adjusting the allowable temperature range in the storage compartment according to the type of food, it is possible to efficiently store and store food in the appropriate temperature range according to the food. In addition, the number of times the compressor is driven can reduce the overall power consumption.

Claims (8)

음식물을 저장하는 적어도 하나의 저장실을 갖는 냉장고에 있어서,In the refrigerator having at least one storage compartment for storing food, 상기 저장실내에 저장되는 음식물의 종류를 선택하는 저장코스선택부와;A storage course selection unit for selecting a type of food to be stored in the storage chamber; 상기 저장실내의 온도를 감지하는 온도센서와;A temperature sensor for sensing a temperature in the storage compartment; 음식물의 종류에 따른 제어온도와, 상기 제어온도를 기준으로 상기 음식물의 종류에 따라 각기 상이한 허용온도범위가 저장된 메모리와;A memory storing a control temperature according to the type of food and a different allowable temperature range according to the type of food based on the control temperature; 상기 메모리에 저장된 제어온도와 허용온도범위에 기초하여 상기 저장실내의 온도를 제어하는 제어부를 포함하는 것을 특징으로 하는 냉장고.And a controller for controlling the temperature in the storage compartment based on the control temperature and the allowable temperature range stored in the memory. 제 1 항에 있어서,The method of claim 1, 상기 제어부는, 압축기의 구동시간과 구동주기 중 적어도 하나를 조절하여 상기 허용온도범위에 따라 상기 저장실내의 온도를 조절하는 것을 특징으로 하는 냉장고.The control unit, characterized in that for controlling at least one of the drive time and the drive cycle of the compressor to adjust the temperature in the storage compartment in accordance with the allowable temperature range. 제 2 항에 있어서,The method of claim 2, 상기 제어부는, 상기 허용온도범위가 크게 설정된 음식물이 저장된 경우, 상기 압축기의 구동시간을 단축하거나 구동주기가 길어지도록 제어하는 것을 특징으로 하는 냉장고.The control unit, when the food is set to a large allowable temperature range is stored, the refrigerator characterized in that the control to shorten the drive time of the compressor or to increase the drive cycle. 제 3 항에 있어서,The method of claim 3, wherein 상기 허용온도범위는, 김치 등의 발효음식인 경우 약 ±0.5∼1.5℃이고, 야채나 과일인 경우에는 약 ±1.5∼4.5℃이고, 육류나 생선인 경우에는 ±1∼3℃인 것을 특징으로 하는 냉장고.The allowable temperature range is about ± 0.5 to 1.5 ℃ for fermented foods such as kimchi, about ± 1.5 to 4.5 ℃ for vegetables or fruits, ± 1 to 3 ℃ for meat or fish Refrigerator. 음식물을 저장하는 적어도 하나의 저장실을 갖는 냉장고의 온도제어방법에 있어서,In the temperature control method of the refrigerator having at least one storage compartment for storing food, 상기 저장실에 저장되는 음식물의 종류를 선택하는 단계와;Selecting a type of food stored in the storage compartment; 상기 저장실내의 온도를 감지하는 단계와;Sensing a temperature in the storage compartment; 음식물의 종류에 따른 제어온도와, 상기 제어온도를 기준으로 상기 음식물의 종류에 따라 각기 상이한 허용온도범위를 설정하는 단계와;Setting a control temperature according to the type of food and a different allowable temperature range according to the type of food based on the control temperature; 상기 제어온도와 허용온도범위에 따라 상기 저장실내의 온도를 제어하는 단계를 포함하는 것을 특징으로 하는 냉장고의 온도제어방법.And controlling the temperature in the storage compartment according to the control temperature and the allowable temperature range. 제 5 항에 있어서,The method of claim 5, 상기 저장실내의 온도를 제어하는 단계는, 압축기의 구동시간과 구동주기중 적어도 하나를 조절하는 단계인 것을 특징으로 하는 냉장고의 온도제어방법.The controlling of the temperature in the storage compartment may include adjusting at least one of a driving time and a driving period of the compressor. 제 6 항에 있어서,The method of claim 6, 상기 저장실내의 온도를 제어하는 단계는, 상기 허용온도범위가 크게 설정된음식물이 저장된 경우, 상기 압축기의 구동시간을 단축하거나 구동주기가 길어지도록 제어하는 단계인 것을 특징으로 하는 냉장고의 온도제어방법.The controlling of the temperature in the storage room is a temperature control method of the refrigerator, characterized in that the step of controlling the driving time of the compressor is shortened or the driving cycle is lengthened when the food having a large allowable temperature range is stored. 제 7 항에 있어서,The method of claim 7, wherein 상기 허용온도범위를 설정하는 단계는, 상기 허용온도범위를 김치 등의 발효음식인 경우 약 ±0.5∼1.5℃으로, 야채나 과일인 경우에는 약 ±1.5∼4.5℃으로, 육류나 생선인 경우에는 ±1∼3℃으로 설정하는 단계인 것을 특징으로 하는 냉장고의 온도제어방법.In the setting of the allowable temperature range, the allowable temperature range is about ± 0.5 to 1.5 ℃ for fermented foods such as kimchi, about ± 1.5 to 4.5 ℃ for vegetables or fruits, and for meat or fish. Refrigerator temperature control method characterized in that the step of setting to ± 1 ~ 3 ℃.
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KR100884950B1 (en) * 2002-12-06 2009-02-23 엘지전자 주식회사 Side by side type refrigerator with temperature switching room
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