KR20030064559A - Quick freezing method - Google Patents
Quick freezing method Download PDFInfo
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- KR20030064559A KR20030064559A KR1020020004896A KR20020004896A KR20030064559A KR 20030064559 A KR20030064559 A KR 20030064559A KR 1020020004896 A KR1020020004896 A KR 1020020004896A KR 20020004896 A KR20020004896 A KR 20020004896A KR 20030064559 A KR20030064559 A KR 20030064559A
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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
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/045—Air flow control arrangements
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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
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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
- 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
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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
- 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
- F25D2400/36—Visual displays
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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
- F25D2600/02—Timing
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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
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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
- F25D2700/122—Sensors measuring the inside temperature of freezer compartments
Abstract
Description
본 발명은 급속 냉동방법에 관한 것으로, 특히 급속 냉동 기능 구현시 냉동실과 냉장실의 온도를 미리 낮추어 냉동실 온도 상승을 막아 빠른 시간안에 급속 냉동할 수 있도록 하는 급속 냉동방법에 관한 것이다.The present invention relates to a quick freezing method, and more particularly, to a quick freezing method to prevent the rise of the freezer temperature by lowering the temperature of the freezer compartment and the freezer compartment in advance when the rapid freezing function is implemented.
일반적으로, 일반 냉장고의 냉동 사이클은 도 1에 도시한 바와 같이 작동유체, 즉 냉매를 압축하여 고온 고압 상태로 변환시키는 압축기(10)와; 그 압축기(10)에서 압축된 고온 고압 상태의 냉매를 액상으로 변환시키면서 내부 잠열을 외부로 방출시키는 응축기(20)와; 상기 응축기(20)에서 액상으로 변환된 냉매의 압력을 저하시키는 팽창기구(30)와; 상기 팽창기구(30)에서 팽창된 액체 상태의 냉매를 기체로 증발시키면서 외부의 열을 흡수하는 증발기(40)를 포함하여 구성되어, 냉장고의 온도를 제어하였다.In general, a refrigeration cycle of a general refrigerator includes a compressor 10 for compressing a working fluid, ie, a refrigerant, into a high temperature and high pressure state as shown in FIG. 1; A condenser 20 for discharging internal latent heat to the outside while converting the refrigerant of the high temperature and high pressure state compressed by the compressor 10 into a liquid phase; An expansion mechanism (30) for lowering the pressure of the refrigerant converted into the liquid phase in the condenser (20); The evaporator 40 absorbs external heat while evaporating the liquid refrigerant expanded in the expansion mechanism 30 into gas, thereby controlling the temperature of the refrigerator.
도 2는 종래 냉장고의 장치의 구성을 보인 측면도로서, 상기한 바와 같이 냉동사이클 동작중 사용자가 급속 냉동버튼 조작시 디스플레이에는 급냉상태임을 표시하면서 급속냉동룸(24)의 설정된 제어온도를 기준으로 급냉센서(25)에 의해 그 급속냉동룸(24) 온다가 불만족이면 급속냉동 팬모터(23)를 온하고, 급속냉동룸(24) 온도가 만족되면 그 급속냉동 팬모터(23)를 오프하여 그 급속냉동룸(24)의 온도를 제어한다.Figure 2 is a side view showing the configuration of a conventional refrigerator device, as described above, while the user during the refrigeration cycle operation when the quick freezing button operation display on the display while quenching on the basis of the set control temperature of the quick freezer room 24 If the rapid freezing room 24 is unsatisfied by the sensor 25, the rapid freezing fan motor 23 is turned on. If the temperature of the quick freezing room 24 is satisfied, the rapid freezing fan motor 23 is turned off. The temperature of the rapid freezing room 24 is controlled.
그러나, 종래의 경우 급속냉동 팬모터(23) 운전시 차가운 냉기가급속냉동룸(24)에 들어감으로 냉동실 온도가 상승되고, 그 냉동실 온도가 상승됨으로 인해 부하의 급속 동결에 필요한 시간이 증가하게 된다.However, in the conventional case, when the rapid freezing fan motor 23 is operated, the cold freezer temperature is increased by entering the rapid freezing room 24, and the time required for rapid freezing of the load is increased due to the increase of the freezing compartment temperature. .
이에 의해, 결국 상기 급속냉동 팬모터(23) 운전시 상대적으로 냉장실 온도가 높아지게 되며, 상기 급냉실에 필요한 아주 낮은 냉기 공급이 난이함으로 급속동결 성능이 떨어지는 문제점이 있었다.As a result, when the rapid freezing fan motor 23 is operated, the temperature of the refrigerating chamber becomes relatively high, and there is a problem in that the quick freezing performance is lowered due to difficulty in supplying very low cold air required for the quenching chamber.
본 발명은 상기와 같은 문제점을 해결하기 위하여 창안한 것으로, 냉장실과 냉동실의 온도를 먼저 충분히 낮추기위해 우선 급속냉동 팬모터를 오프시킨채로 냉동실 팬모터와 압축기 및 댐퍼를 오픈하여 냉장실 현재 온도보다 일정수준 더 낮게 하여 냉동실내의 아주 낮은 냉기를 급속냉동룸으로 보내 급속동결의 시간을 단축할 수 있도록 한 급속 냉동방법을 제공함에 그 목적이 있다.The present invention has been made to solve the above problems, in order to first lower the temperature of the refrigerating compartment and the freezing compartment sufficiently, first open the freezer compartment fan motor, compressor and damper with the rapid freezing fan motor off to a certain level than the current temperature of the refrigerating compartment. It is an object of the present invention to provide a quick freezing method by reducing the time of rapid freezing by lowering the very low cold air in the freezing chamber.
도 1은 일반적인 냉장고의 냉동 사이클을 보인 예시도.1 is an exemplary view showing a refrigeration cycle of a typical refrigerator.
도 2는 종래 냉장고의 장치의 구성을 보인 측면도.Figure 2 is a side view showing the configuration of a device of a conventional refrigerator.
도 3은 본 발명의 급속 냉동방법을 제어하는 마이크로 프로세서를 보인 예시도.Figure 3 is an exemplary view showing a microprocessor for controlling the rapid freezing method of the present invention.
도 4는 본 발명 급속 냉동방법이 적용되는 장치의 구성을 보인 측면도.Figure 4 is a side view showing the configuration of the apparatus to which the present invention a rapid freezing method is applied.
도 5는 본 발명 급속 냉동운전시 동작하는 과정을 보인 예시도.Figure 5 is an exemplary view showing a process of operation during the rapid freezing operation of the present invention.
도 6은 본 발명 급속 냉동방법을 보인 흐름도.6 is a flow chart showing the present invention a quick freezing method.
***도면의 주요부분에 대한 부호의 설명****** Explanation of symbols for main parts of drawing ***
31: 마이크로 컴퓨터 41: 댐퍼31: Micro 41: Damper
42: 냉동실 팬모터 43: 냉장실 센서42: freezer compartment fan motor 43: cold compartment sensor
44: 냉동실 센서 45: 급속냉동 팬모터44: freezer sensor 45: rapid freezing fan motor
46: 급속냉동룸 47: 압축기46: rapid freezing room 47: compressor
상기와 같은 목적을 달성하기 위한 본 발명은, 사용자의 설정상태의 온도로 음식물을 보관하는 냉장고에 있어서,The present invention for achieving the above object, in the refrigerator for storing food at a temperature of the user's set state,
상기 급속냉동버튼이 입력되어 냉동실 팬모터와 압축기를 온하고, 댐퍼를 오픈하여 충분히 냉장실 및 냉동실의 현재온도를 낮추는 제1 단계와;A first step in which the rapid freezing button is input to turn on a freezer compartment fan motor and a compressor, and open a damper to sufficiently lower current temperatures of the refrigerator compartment and the freezer compartment;
상기 충분히 낮아진 냉장실 및 냉동실의 제어온도를 체크하며 급속냉동운전을 시작하는 제2 단계와;A second step of starting a rapid freezing operation by checking control temperatures of the sufficiently low refrigerator compartment and the freezer compartment;
상기 급속냉동운전이 소정시간 경과하면 급속냉동 팬모터를 오프하여 급속 냉동기능을 종료하는 제3 단계로 이루어진 것을 특징으로 한다.After the rapid freezing operation has elapsed a predetermined time, characterized in that the third step of terminating the rapid freezing function by turning off the rapid freezing fan motor.
이하, 본 발명에 따른 일실시예를 첨부한 도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, an embodiment according to the present invention will be described in detail with reference to the accompanying drawings.
도 6은 본 발명 급속 냉동방법을 보인 흐름도로서, 이에 도시된 바와 같이 사용자의 설정상태의 온도로 음식물을 보관하는 냉장고에 있어서, 상기 급속냉동버튼이 입력되어 냉동실 팬모터와 압축기를 온하고, 댐퍼를 오픈하여 충분히 냉장실 및 냉동실의 현재온도를 낮추는 제1 단계(S61~S63)와;Figure 6 is a flow chart showing a rapid freezing method of the present invention, as shown in the refrigerator for storing food at a temperature set by the user, the quick freezing button is input to turn on the freezer fan motor and the compressor, the damper Opening the first step (S61 ~ S63) to sufficiently lower the current temperature of the refrigerator compartment and the freezer compartment;
상기 충분히 낮아진 냉장실 및 냉동실의 제어온도를 체크하며 급속냉동운전을 시작하는 제2 단계(S64~S69)와;A second step (S64 to S69) of starting the rapid freezing operation by checking the control temperatures of the sufficiently low refrigerator compartment and the freezer compartment;
상기 급속냉동운전이 소정시간 경과하면 급속냉동 팬모터를 오프하여 급속 냉동기능을 종료하는 제3 단계(S70~S72)로 이루어진 것으로, 이와 같이 구성된 본 발명의 동작 및 작용을 도 3, 도 4를 참조하여 설명하면 다음과 같다.When the rapid freezing operation has elapsed for a predetermined time, the rapid freezing fan motor is turned off to terminate the rapid freezing function (S70 to S72). If described with reference to:
먼저, 본 발명은 음식물을 보관하는 냉장고의 냉장보관방법에 있어서, 급속냉동버튼이 입력되는지를 판단하여 그 판단결과, 그 급속냉동버튼이 입력되면 급속냉동상태를 표시하고, 상기 급속냉동버튼이 입력되지 않으면 평상시 냉장고의 운전을 수행하게 된다.(S61, S62, S73)First, according to the present invention, in the refrigerator storage method of a refrigerator for storing food, it is determined whether a quick freezing button is input, and as a result of the determination, when the quick freezing button is input, the quick freezing state is displayed, and the quick freezing button is input. If not, the operation of the refrigerator is normally performed. (S61, S62, S73)
기존 방식의 급속 냉동 기능 구현시 냉동실 온도 상승이나, 냉장실 온도 상승되는 문제나 급속 동결 기능 구현에 필요한 시간이 많이 소요되는 문제를 해결하기 위해서 급속 냉동 기능 선택시 냉동실 센서(44), 냉장실 센서(43)의 온도를 감지하여 그 감지된 온도를 마이크로 컴퓨터(31)로 출력한다.In order to solve the problem of rising the freezer temperature, increasing the temperature of the refrigerating chamber when the conventional rapid freezing function is implemented, or the time consuming time required for implementing the quick freezing function, the freezing chamber sensor 44 and the refrigerating chamber sensor 43 are selected. And senses the temperature and outputs the detected temperature to the microcomputer 31.
이에 의해, 상기 마이크로 컴퓨터(31)는 냉장실과 냉동실의 온도를 먼저 충분히 낮추기 위한 제어신호를 출력한다.(S63)As a result, the microcomputer 31 outputs a control signal for sufficiently lowering the temperatures of the refrigerating chamber and the freezing chamber first (S63).
상기 제어신호는 우선 급속냉동 팬모터(45)를 오프시킨채로 냉동실 팬모터(42), 압축기(47)를 온시키고, 댐퍼(41)를 오픈시킨다.The control signal first turns on the freezer compartment fan motor 42 and the compressor 47 with the rapid freezing fan motor 45 off, and opens the damper 41.
이로써, 사용자의 선택에 의해 냉장고는 급속 냉동모드로 들어가 도 5(냉장실 제어온도 '약'운전)와 같은 동작을 하게 된다.As a result, the refrigerator enters the rapid freezing mode by the user's selection and operates as shown in FIG. 5 (refrigeration room control temperature 'about' operation).
상기 냉장실 및 냉동실의 온도를 충분히 낮추기 위해서는 냉장실 센서(43)에 감지된 냉장실의 현재 온도보다 -4.0℃ 정도(최대 0℃) 더 낮게까지 냉장실의 온도를 제어한다. 이를 위해서 상기 댐퍼(41)를 오픈하여 급속냉동룸(46) 온도를 낮추기전에 냉장실과 냉동실의 온도를 충분히 낮춘다.(S63~S65)In order to sufficiently lower the temperature of the refrigerating compartment and the freezing compartment, the temperature of the refrigerating compartment is controlled to about -4.0 ° C. (up to 0 ° C.) lower than the current temperature of the refrigerating compartment sensed by the refrigerating compartment sensor 43. To this end, the damper 41 is opened to sufficiently lower the temperature of the refrigerating chamber and the freezing chamber before lowering the temperature of the rapid freezing room 46. (S63 to S65)
이후, 상기 급속냉동 팬모터(45), 압축기(47)를 온하고, 냉동실 팬모터(42)를 오프하여 급속냉동 운전을 실시한다.Thereafter, the rapid freezing fan motor 45 and the compressor 47 are turned on, and the freezing chamber fan motor 42 is turned off to perform a rapid freezing operation.
상기 급속냉동 운전중, 상기 냉장실의 온도가 제어온도에 만족하는 상태인가를 판단한다.(S66)During the rapid freezing operation, it is determined whether the temperature of the refrigerating compartment satisfies the control temperature. (S66)
이때, 상기 냉장실의 온도가 낮아지면(R-DIFF)(냉장실 제어온도 불만족시) 그때부터 상기 압축기(47)는 계속 동작하면서 상기 냉동실 팬모터(42)를 오프하고 댐퍼(41)를 닫는다.At this time, when the temperature of the refrigerating compartment is lowered (R-DIFF) (when the refrigeration chamber control temperature is not satisfied), the compressor 47 continues to operate, thereby turning off the freezer compartment fan motor 42 and closing the damper 41.
이와 반대로 상기 냉장실의 온도가 높아지면(R-DIFF)(냉장실 제어온도 불만족시) 상기 냉동실 팬모터(42)를 온하고, 댐퍼(41)를 열어 설정온도가되도록 제어한다.(S67)On the contrary, when the temperature of the refrigerating compartment becomes high (R-DIFF) (when the refrigerating compartment control temperature is not satisfied), the freezing compartment fan motor 42 is turned on, and the damper 41 is opened to control the set temperature.
또한, 상기 급속냉동 운전중, 상기 냉동실의 온도가 제어온도에 만족하는 상태인가를 판단한다.(S68)In addition, during the rapid freezing operation, it is determined whether the temperature of the freezer compartment satisfies the control temperature. (S68)
이때, 상기 냉장실과 마찬가지로 냉동실의 제어온도가 불만족하게 되면 댐퍼(41)를 닫은 상태에서 급속냉동 팬모터(45), 압축기(47), 냉동실 팬모터(42)를 온한다.(S69)At this time, if the control temperature of the freezer is unsatisfactory like the refrigerating chamber, the rapid freezing fan motor 45, the compressor 47, and the freezing compartment fan motor 42 are turned on with the damper 41 closed.
즉, 상기 냉동실 센서(43)에 의해 냉동실 현재온도와 제어온도를 비교했을시 불만족이라고 판단되면 상기 댐퍼(41)를 닫은 상태에서 냉동실 팬모터(42)를 동작시켜 냉동실의 온도를 제어한다.That is, when it is determined that the freezer compartment sensor 43 is unsatisfactory when comparing the freezer compartment present temperature with the control temperature, the freezer compartment fan motor 42 is operated while the damper 41 is closed to control the temperature of the freezer compartment.
상기와 같이 동작중, 급속냉동 팬모터(45)는 2시간동안 온되어 냉동실의 아주 낮은 냉기를 급속냉동룸(46)으로 끌어들임으로 급속동결의 시간을 짧게하여 급속동결의 성능을 구현한다.During operation as described above, the rapid freezing fan motor 45 is turned on for 2 hours to draw a very low cold air in the freezer compartment to the rapid freezing room 46 to shorten the time of quick freezing to achieve the performance of quick freezing.
이에 의해, 본 발명은 상기 급속냉동 팬모터(45)의 2시간동안의 운전이 끝나면 디스플레이창은 급속냉동 기능수행을 알리는 '켜짐'에서 급속냉동 기능종료를 알리는 '꺼짐'으로 바뀌며, 냉장고는 급속냉동기능을 오프한다.(S72)As a result, the present invention changes the display window from 'on' indicating the completion of the rapid freezing function to 'off' indicating the end of the rapid freezing function after 2 hours of operation of the rapid cooling fan motor 45, and the refrigerator rapidly. Turn off the freezing function. (S72)
이상에서 상세히 설명한 바와 같이 본 발명은 냉장실과 냉동실의 온도를 먼저 충분히 낮추기위해 우선 급속냉동 팬모터를 오프시킨채로 냉동실 팬모터와 압축기 및 댐퍼를 오픈하여 냉장실 현재 온도보다 일정수준 더 낮게 하여 냉동실내의 아주 낮은 냉기를 급속냉동룸으로 보내 급속동결의 시간을 단축할 수 있는 효과가 있다.As described in detail above, the present invention opens the freezer fan motor, the compressor and the damper with the rapid freezing fan motor off in order to sufficiently lower the temperature of the refrigerating compartment and the freezing compartment first, thereby lowering a certain level lower than the present temperature of the refrigerating compartment. It is effective to shorten the time of rapid freezing by sending low cold air to the rapid freezing room.
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| KR100839905B1 (en) * | 2007-04-02 | 2008-06-19 | 주식회사 대우일렉트로닉스 | Refrigerator with multiple cooling system and control method thereof |
| CN109883135A (en) * | 2019-03-21 | 2019-06-14 | 合肥华凌股份有限公司 | Quick-frozen control method, refrigerator, quick-frozen control device and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100800195B1 (en) | 2005-12-31 | 2008-02-01 | 엘지전자 주식회사 | Refrigerating apparatus and controlling method thereof |
| KR20190058893A (en) | 2017-11-22 | 2019-05-30 | 군장대학교산학협력단 | Rapid freeze combined fermentation system |
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| KR880003852Y1 (en) * | 1983-12-05 | 1988-10-22 | 주식회사 금 성 사 | Refrigerator |
| JPS6189460A (en) * | 1984-10-05 | 1986-05-07 | 株式会社東芝 | Refrigerator |
| KR970016473A (en) * | 1995-09-28 | 1997-04-28 | 배순훈 | Refrigeration Cycle Structure of Refrigerator Using a Plate |
| KR100197696B1 (en) * | 1996-08-12 | 1999-06-15 | 윤종용 | Quick freezing device and method of a refrigerator |
| JPH11257822A (en) * | 1998-03-16 | 1999-09-24 | Matsushita Refrig Co Ltd | Refrigerator |
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| KR100839905B1 (en) * | 2007-04-02 | 2008-06-19 | 주식회사 대우일렉트로닉스 | Refrigerator with multiple cooling system and control method thereof |
| CN109883135A (en) * | 2019-03-21 | 2019-06-14 | 合肥华凌股份有限公司 | Quick-frozen control method, refrigerator, quick-frozen control device and storage medium |
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