KR100239504B1 - method for controlling handling at quick freeing in refrigerator - Google Patents

method for controlling handling at quick freeing in refrigerator Download PDF

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Publication number
KR100239504B1
KR100239504B1 KR1019970034684A KR19970034684A KR100239504B1 KR 100239504 B1 KR100239504 B1 KR 100239504B1 KR 1019970034684 A KR1019970034684 A KR 1019970034684A KR 19970034684 A KR19970034684 A KR 19970034684A KR 100239504 B1 KR100239504 B1 KR 100239504B1
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South Korea
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freezing
cold air
compartment
refrigerator
temperature
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KR1019970034684A
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Korean (ko)
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KR19990011547A (en
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곽태희
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구자홍
엘지전자주식회사
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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
    • 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
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/021—Inverters therefor
    • 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
    • F25D2400/30—Quick freezing
    • 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

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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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

본 발명은 냉장고에 관한 것으로서, 사용자의 급속냉동모드 선택시 냉동실로 공급되는 냉기량을 증대시키기 위하여 팬모터의 회전수를 높게함과 동시에 압축기의 운전주파수도 높게하여 상기 냉동실이 신속히 냉각되도록 함에 따라 냉동실에 채워진 식품이 빠른시간내에 냉동되도록 한 것이다.The present invention relates to a refrigerator, and in order to increase the amount of cold air supplied to a freezing compartment when a user selects a quick freezing mode, as well as to increase the rotational speed of the fan motor and to increase the operating frequency of the compressor to rapidly cool the freezing compartment. The food filled in the freezer is to be frozen quickly.

이를 위해 본 발명은 일반냉동모드에서 급속냉동모드로의 전환시,To this end, the present invention when switching from the normal freezing mode to the rapid freezing mode,

인버터에 의해 일반 냉동모드일 때 보다 팬모터의 회전수와 압축기의 운전주파수가 함께 상승되도록 제어함에 따라 냉기생산력이 증가되도록 한 것이다.By controlling the inverter so that the rotation speed of the fan motor and the operating frequency of the compressor are raised together in the normal refrigeration mode, the cold air productivity is increased.

Description

냉장고의 급속냉동시 운전제어방법{method for controlling handling at quick freeing in refrigerator}Method for controlling handling at quick freeing in refrigerator}

본 발명은 냉장고의 급속냉동시 운전제어방법에 관한 것으로서, 더욱 상세하게는 사용자의 급속냉동모드 선택시 냉동실의 온도가 설정온도 이하로 신속히 떨어지도록 하여 냉동식품의 냉동이 빠른시간내에 행해지게 한 것이다.The present invention relates to a method of controlling operation during rapid freezing of a refrigerator, and more particularly, to freeze frozen foods in a short time by allowing the temperature of the freezing compartment to drop rapidly below a set temperature when the user selects a quick freezing mode. .

일반적으로 냉장고는 식품을 신선하게 장기간 보관하는 용도로 사용되는 기기로서, 종래 구성은 본체(1)와, 상기 본체에 형성되어 식품을 냉동 보관할 수 있는 냉동실(2)과, 상기 본체(1)에 형성되어 식품을 냉장 보관할 수 있는 냉장실(3)과, 상기 냉동실(2) 및 냉장실(3)을 냉각시켜 줄 수 있는 냉동싸이클로 크게 이루어져 있다.Generally, a refrigerator is a device used for long-term storage of fresh food, and a conventional configuration includes a main body 1, a freezer compartment 2 formed in the main body for freezing and storing the food, and a main body 1 in the main body 1. It is formed of a refrigerating compartment (3) and a freezing cycle that can cool the freezer compartment (2) and the refrigerating compartment (3) is formed to store food refrigerated.

상기 냉동싸이클은 첨부된 도 2와 같이 저온,저압의 기체냉매를 고온,고압의 기체냉매로 압축하는 압축기(4)와, 상기 고온,고압의 기체냉매를 고온,고압의 액체냉매로 응축하는 응축기(5)와, 상기 고온,고압의 액체냉매를 저온,저압의 액체냉매로 변환시켜 주는 모세관(6)과, 상기 저온,저압의 액체냉매를 저온,저압의 기체냉매로 증발시켜 냉기를 발생하는 증발기(7)와, 상기 증발기에 의해 발생된 냉기를 송풍시켜 주는 팬모터(8)로 구성되어 있다.The refrigeration cycle is a compressor (4) for compressing a low-temperature, low-pressure gas refrigerant into a high-temperature, high-pressure gas refrigerant as shown in Figure 2 and a condenser for condensing the high-temperature, high-pressure gas refrigerant into a high-temperature, high-pressure liquid refrigerant (5) and a capillary tube (6) for converting the high temperature and high pressure liquid refrigerant into low temperature and low pressure liquid refrigerant, and the low temperature and low pressure liquid refrigerant to evaporate the low temperature and low pressure gas refrigerant to generate cold air. The evaporator 7 and the fan motor 8 which blows cold air generated by the said evaporator are comprised.

또한 본체(1) 내에는 냉동싸이클을 구성하는 팬모터(8)에 의해 송풍된 냉기가 냉동실(2)로 공급되도록 냉동실용 냉기공급공(9)이 형성됨과 함께 냉장실(3)로 공급되도록 냉장실용 냉기공급통로(10)가 형성되어 있고, 상기 냉장실용 냉기공급통로에는 콘트롤러의 제어신호에 따라 냉장실용 냉기공급통로(10)를 선택적으로 개폐시켜 주도록 댐퍼(11)가 설치되어 있다.In addition, in the main body 1, a cold air supply hole 9 for a freezing compartment is formed so that the cold air blown by the fan motor 8 constituting the freezing cycle is supplied to the freezing compartment 2 and refrigerated so as to be supplied to the refrigerating compartment 3. The practical cold air supply passage 10 is formed, and the damper 11 is installed in the cold air supply passage for the refrigerating compartment to selectively open and close the cold air supply passage 10 for the refrigerating compartment according to a control signal of the controller.

따라서, 본체(1)에 일체화된 냉동실(2)에 냉동용 음식물을 채움과 함께 냉장실(3)에는 냉장용 음식물을 채운상태에서 전원을 인가시키면 콘트롤러의 제어신호를 받아 냉동싸이클을 구성하는 압축기(4)가 구동되어 저온,저압의 기체냉매를 고온,고압의 기체냉매로 압축시키고, 이 압축된 고온,고압의 기체냉매는 응축기(5)를 통과하면서 열교환되어 고온,고압의 액체냉매로 변환되며, 이 변화된 고온,고압의 액체냉매는 계속해서 모세관(6)을 통과하면서 온도와 압력이 급격히 떨어진 저온,저압의 액체냉매로 변환된 다음 증발기(7)를 통과하면서 저온,저압의 기체냉매로 변환됨에 따라 주위의 열을 빼앗는 증발작용을 일으켜 냉기를 발생시키고, 상기 저온, 저압의 기체냉매는 계속되는 압축기(4)의 동작에 따라 다시 상기 압축기로 되돌아가는 싸이클을 이루게 되는데, 이때 팬모터(8)가 동작하여 증발기(7)에서 발생된 냉기를 송풍시켜 주고 이 송풍된 냉기는 곧바로 냉동실용 냉기공급공(9)를 통해 냉동실(2)로 공급되므로 상기 냉동실이 냉각되면서 채워진 식품이 냉동됨과 함께 냉장실용 냉기공급통로(10)를 통해 냉장실(3)로 공급되므로 상기 냉장실이 냉각되면서 채워진 식품이 냉장된다.Therefore, when the refrigeration chamber 2 integrated in the main body 1 is filled with the food for refrigeration and the refrigeration chamber 3 is supplied with the refrigerated food while the refrigeration food is filled, the compressor is configured to receive the control signal from the controller to form a refrigeration cycle ( 4) is driven to compress the low-temperature, low-pressure gas refrigerant into a high-temperature, high-pressure gas refrigerant, the compressed high-temperature, high-pressure gas refrigerant is heat-exchanged while passing through the condenser (5) is converted into a high-temperature, high-pressure liquid refrigerant , The changed high temperature and high pressure liquid refrigerant is continuously converted into low temperature and low pressure liquid refrigerant whose temperature and pressure are rapidly dropped while passing through the capillary tube (6), and then converted into low temperature and low pressure gas refrigerant through the evaporator (7). As a result, the evaporation action takes away the surrounding heat to generate cold air, and the low-temperature and low-pressure gas refrigerant may be cycled back to the compressor according to the continuous operation of the compressor 4. At this time, the fan motor (8) is operated to blow the cold air generated in the evaporator (7) and the blown cold air is supplied directly to the freezer compartment (2) through the freezing air supply hole (9) for the freezer compartment The food filled while being cooled is supplied to the refrigerating chamber 3 through the cold air supply passage 10 for the refrigerating chamber, and thus the filled food is refrigerated.

한편 상기한 작용에 의해 냉동실(2) 및 냉장실(3)이 냉각될 때 상기 냉동실(2)의 온도와 냉장실(3)의 온도를 온도센서(도시는 생략함)가 계속적으로 감지하여 이를 콘트롤러로 보내주는데, 상기 냉장실(3)의 온도가 설정온도 이하로 떨어질 경우에는 상기 콘트롤러는 냉장실용 냉기공급통로(10)에 설치된 댐퍼(11)를 제어하여 상기 댐퍼에 의해 냉장실용 냉기공급통로(10)를 폐쇄시켜 주므로 냉장실(3)의 온도가 설정온도 이상이 되기 전까지 상기 냉장실로는 더이상의 냉기공급이 행하여지지 않고, 냉동실(2)의 온도가 설정온도 이하로 떨어질 경우에는 상기 콘트롤러는 냉동싸이클을 구성하는 압축기(4)의 동작을 정지시킴과 함께 팬모터(8)의 동작을 정지시키므로 상기 냉동실(2)의 온도가 설정온도 이상이 되기 전까지 상기 냉동실로는 더이상의 냉기공급이 행하여지지 않는다.On the other hand, when the freezer compartment 2 and the refrigerating compartment 3 are cooled by the above-described action, a temperature sensor (not shown) continuously detects the temperature of the freezer compartment 2 and the temperature of the refrigerating compartment 3 and controls the temperature. If the temperature of the refrigerating compartment (3) falls below the set temperature, the controller controls the damper (11) installed in the cold air supply passage (10) for the refrigerating compartment by the damper for the cold air supply passage (10) Since the temperature of the refrigerator compartment 3 is higher than the set temperature, no further cooling air is supplied to the refrigerator compartment. When the temperature of the freezer compartment 2 falls below the set temperature, the controller stops the freezing cycle. Since the operation of the compressor 4 is stopped and the operation of the fan motor 8 is stopped, the supply of cold air is no longer supplied to the freezing compartment until the temperature of the freezing compartment 2 becomes higher than the set temperature. It does not to.

또한 기기를 사용하는 과정에서 사용자가 특정식품을 급속냉동시키고자 할 경우에는 냉동실(2)에 상기 급속냉동시키고자 하는 식품을 채운 다음 급속냉동모드를 선택하면 되는데, 이때에는 냉장실용 냉기공급통로(10)에 설치된 댐퍼(11)가 콘트롤러의 제어신호를 받아 동작하여 상기 냉장실용 냉기공급통로(10)를 폐쇄시켜 주므로 팬모터(8)에 의해 송풍된 냉기는 냉동실용 냉기공급공(9)을 통해 냉동실(2)로만 공급되고 이에따라 상기 냉동실이 설정온도 이하로 신속히 냉각되어 냉동실(2)에 채워진 식품이 급속냉동된다.In addition, when the user wants to rapidly freeze a particular food in the process of using the device, the user can fill the freezer compartment 2 with the food to be rapidly frozen, and then select the rapid freezing mode. In this case, the cold air supply passage for the refrigerator compartment ( The damper 11 installed at 10) operates under the control signal of the controller to close the cold air supply passage 10 for the refrigerating compartment, so that the cold air blown by the fan motor 8 causes the cold air supply hole 9 for the freezer compartment to be closed. Only the freezer compartment 2 is supplied to the freezer compartment 2, and thus the freezer compartment is rapidly cooled below the set temperature so that the food filled in the freezer compartment 2 is rapidly frozen.

그러나 종래 이와같은 냉장고는 식품을 신속히 냉동시키기 위해 상기 식품을 냉동실에 채워넣은 상태에서 급속냉동모드를 선택할 경우 팬모터에 의해 송풍된 냉기를 냉동실로만 공급시켜 주므로 상기 냉기의 온도가 다소 낮아지지만 냉기풍량은 줄어들게 되므로 식품의 급속냉동에 한계가 있고 이에따라 식품의 신선도가 떨어지는 현상이 종종 발생되던 문제점이 있었다.However, such a refrigerator conventionally supplies the cold air blown by the fan motor only to the freezing compartment when the fast freezing mode is selected while the food is filled in the freezing chamber to quickly freeze the food, but the temperature of the cold air is slightly lowered. Since there is a limit to the rapid freezing of the food is reduced so that there is a problem that often occurs the phenomenon of freshness of food.

본 발명은 상기 문제점을 해결하기 위하여 안출한 것으로서, 식품을 급속냉동시키기 위해 상기 식품을 냉동실에 채워넣은 상태에서 급속냉동모드를 선택할 경우 팬모터의 회전수를 높게함과 함께 압축기의 운전주파수도 높게하여 온도가 통상 운전때 보다 낮아질 뿐 아니라 더 많은량의 냉기가 상기 냉동실로 공급되면서 냉동실을 설정온도 이하로 신속히 냉각시켜 채워놓은 식품을 급속냉동되게 함에 따라 상기 냉동된 식품의 신선도가 향상되도록 하는데 그 목적이 있다.The present invention has been made to solve the above problems, when the fast freezing mode is selected in a state in which the food is filled in the freezer to rapidly freeze the food, the rotational speed of the fan motor and the operating frequency of the compressor is also high As a result, the temperature of the frozen food is lower than that of the normal operation, and as the amount of cold air is supplied to the freezing compartment, the freezing compartment is rapidly cooled below the set temperature to rapidly freeze the filled food, thereby improving the freshness of the frozen food. There is a purpose.

상기 목적을 달성하기 위한 본 발명 형태에 따르면 일반냉동모드에서 급속냉동모드로의 전환시, 인버터에 의해 일반 냉동모드일 때 보다 팬모터의 회전수와 압축기의 운전주파수가 함께 상승되도록 제어함에 따라 냉기생산력이 증가되도록 함을 특징으로 하는 냉장고의 급속냉동시 운전제어방법이 제공된다.According to an embodiment of the present invention for achieving the above object, when switching from the normal freezing mode to the rapid freezing mode, by controlling the rotation speed of the fan motor and the operating frequency of the compressor to rise together than in the normal freezing mode by the inverter Provided is a method for controlling operation during rapid freezing of a refrigerator, characterized by increasing productivity.

도 1은 냉장고의 일반적인 구조를 나타낸 종단면도1 is a longitudinal sectional view showing a general structure of a refrigerator

도 2는 종래 냉장고의 냉동싸이클을 나타낸 블럭도2 is a block diagram showing a freezing cycle of a conventional refrigerator

도 3은 본 발명 냉장고의 냉동싸이클을 나타낸 블럭도Figure 3 is a block diagram showing a freezing cycle of the refrigerator of the present invention

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

4. 압축기 8. 팬모터4. Compressor 8. Fan Motor

12. 인버터12. Inverter

이하 본 발명을 일 실시예로 도시한 첨부된 도 3을 참고로 하여 더욱 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in more detail with reference to the accompanying FIG. 3.

첨부된 도 3은 본 발명 냉장고의 냉동싸이클을 나타낸 블럭도로서, 본 발명 냉장고의 구성중 기 설명된 종래의 구성과 동일한 구성의 설명은 생략함과 함께 그에 따른 부호도 종래의 부호를 그대로 인용하기로 한다.3 is a block diagram showing a refrigeration cycle of the refrigerator of the present invention, the description of the same configuration as the conventional configuration described above of the configuration of the refrigerator of the present invention will be omitted, and reference numerals thereof are also referred to as it is. Shall be.

이하 본 발명의 요부 구성을 설명하면 다음과 같다.Hereinafter, the main components of the present invention will be described.

콘트롤러의 제어신호에 의해 팬모터(8)와 압축기(4)를 제어하도록 인버터(12)를 설치하여 사용자의 급속냉동모드 선택시 댐퍼(11)가 냉장실용 냉기공급통로(10)를 폐쇄시켜 줌에 따라 냉기가 냉동실용 냉기공급공(9)을 통해 냉동실(2)로만 공급될 때 상기 인버터(12)가 팬모터(8)의 회전수를 높여줌과 동시에 압축기(4)의 운전주파수도 높여주도록 한다.The inverter 12 is installed to control the fan motor 8 and the compressor 4 according to the control signal of the controller so that the damper 11 closes the cold air supply passage 10 for the refrigerating chamber when the user selects the quick freezing mode. When the cold air is supplied only to the freezing compartment (2) through the cold air supply hole (9) for the freezer compartment so that the inverter 12 increases the rotational speed of the fan motor (8) and at the same time increases the operating frequency of the compressor (4) do.

이와같이 구성된 본 발명 냉장고의 작용은 사용자가 급속냉동모드를 선택했을때의 작용을 제외하고 나머지 작용은 종래에서 설명된 냉장고의 작용과 동일하므로 이하에서는 상기 급속냉동모드를 선택했을 경우의 작용에 대해서만 설명하기로 한다.The operation of the refrigerator of the present invention configured as described above is identical to the operation of the refrigerator described above except for the operation when the user selects the rapid freezing mode, and therefore, only the operation when the rapid freezing mode is selected will be described below. Let's do it.

사용자가 특정식품을 급속냉동시키기 위해 냉동실(2)에 채운 다음 급속냉동모드를 선택하면 냉장실용 냉기공급통로(10)에 설치된 댐퍼(11)가 콘트롤러의 제어신호를 받아 동작하여 상기 냉장실용 냉기공급통로(10)를 폐쇄시켜 주므로 팬모터(8)에 의해 송풍된 냉기는 냉동실용 냉기공급공(9)을 통해 냉동실(2)로만 집중 공급되는데, 이때 인버터(12)가 상기 급속냉동모드의 선택신호를 콘트롤러를 통해 전달받아 팬모터(8)의 회전수를 높여줌과 동시에 압축기(4)의 운전주파수도 높여주므로 상기 팬모터(8)의 회전수가 높아짐에 따라 송풍량이 증대되고, 상기 압축기(4)의 운전주파수가 높아짐에 따라 압축효율의 향상에 의해 증발기(7)의 증발온도가 낮아지므로 결국 온도가 상승되지 않은 많은량의 냉기가 냉동실(2)로 공급된다.When the user fills the freezer compartment 2 and then selects the rapid freezing mode for rapidly freezing a particular food, the damper 11 installed in the cold air supply passage 10 for the refrigerator compartment operates under the control signal of the controller to supply the cold air for the refrigerator compartment. Since the passage 10 is closed, the cold air blown by the fan motor 8 is concentrated and supplied only to the freezing compartment 2 through the freezing air supply hole 9 for the freezing compartment, wherein the inverter 12 selects the rapid freezing mode. By receiving a signal through the controller to increase the rotational speed of the fan motor (8) and at the same time increases the operating frequency of the compressor (4) as the rotational speed of the fan motor (8) is increased, the air blowing amount is increased, the compressor (4) Since the evaporation temperature of the evaporator 7 is lowered by the improvement of the compression efficiency as the operating frequency of the e) increases, a large amount of cold air is not supplied to the freezing chamber 2.

따라서 냉동실(2)이 급속냉각되므로 상기 냉동실에 채워진 식품이 신속히 냉동된다.Therefore, since the freezing compartment 2 is rapidly cooled, the food filled in the freezing compartment is quickly frozen.

그러므로 본 발명은 식품을 급속냉동시키기 위해 상기 식품을 냉동실에 채워넣은 상태에서 급속냉동모드를 선택할 경우 팬모터의 회전수가 높아짐과 함께 압축기의 운전주파수도 높아짐에 따라 온도가 상승되지 않은 비교적 많은량의 냉기가 냉동실로 공급되므로 상기 냉동실에 채워진 식품이 신속히 냉동되고 이에따라 상기 식품의 신선도가 향상되는 효과가 있다.Therefore, in the present invention, when the fast freezing mode is selected while the food is filled in the freezer to rapidly freeze the food, as the rotational speed of the fan motor is increased and the operating frequency of the compressor is increased, a relatively large amount of temperature is not increased. Since the cold air is supplied to the freezing compartment, the food filled in the freezing compartment is quickly frozen, thereby improving the freshness of the food.

Claims (1)

일반냉동모드에서 급속냉동모드로의 전환시,When switching from the normal freezing mode to the quick freezing mode, 인버터에 의해 일반 냉동모드일 때 보다 팬모터의 회전수와 압축기의 운전주파수가 함께 상승되도록 제어함에 따라 냉기생산력이 증가되도록 함을 특징으로 하는 냉장고의 급속냉동시 운전제어방법.A method of controlling the operation of a refrigerator during rapid freezing, characterized in that the cold air productivity is increased by controlling the rotation speed of the fan motor and the operating frequency of the compressor to increase together with the inverter in the normal freezing mode.
KR1019970034684A 1997-07-24 1997-07-24 method for controlling handling at quick freeing in refrigerator KR100239504B1 (en)

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KR1019970034684A KR100239504B1 (en) 1997-07-24 1997-07-24 method for controlling handling at quick freeing in refrigerator

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Application Number Priority Date Filing Date Title
KR1019970034684A KR100239504B1 (en) 1997-07-24 1997-07-24 method for controlling handling at quick freeing in refrigerator

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KR100239504B1 true KR100239504B1 (en) 2000-05-01

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