KR100325549B1 - Method for detecting refrigerant leakage of a kimchi refrigerator - Google Patents
Method for detecting refrigerant leakage of a kimchi refrigerator Download PDFInfo
- Publication number
- KR100325549B1 KR100325549B1 KR1019990030885A KR19990030885A KR100325549B1 KR 100325549 B1 KR100325549 B1 KR 100325549B1 KR 1019990030885 A KR1019990030885 A KR 1019990030885A KR 19990030885 A KR19990030885 A KR 19990030885A KR 100325549 B1 KR100325549 B1 KR 100325549B1
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- South Korea
- Prior art keywords
- compressor
- temperature
- refrigerant
- kimchi
- kimchi refrigerator
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 41
- 235000021109 kimchi Nutrition 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title abstract description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/008—Alarm devices
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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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
- F25B2500/222—Detecting refrigerant leaks
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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
Abstract
본 발명은 압축기의 작동전과 작동후의 고내 온도나 증발기의 온도를 측정하여 온도 변화의 발생량을 비교하여 냉매량의 부족을 감지할 수 있도록 한 김치냉장고의 냉매유출 감지방법에 관한 것으로, 압축기의 작동시점에서 고내 온도를 측정하는 단계와, 압축기를 일정시간 작동시킨 후 고내 온도를 측정하는 단계와, 압축기의 작동전과 일정시간 작동후의 온도차를 비교하는 단계와, 비교한 온도차에 따라 냉매유출을 판단하는 단계로 이루어져 냉매의 유출이 있을 경우 이를 감지함으로써 냉매량의 부족으로 인한 김치의 쉼을 방지할 수 있을 뿐만 아니라 압축기의 운전율을 향상시킬 수 있다는 이점이 있다.The present invention relates to a method of detecting a refrigerant leakage of a Kimchi refrigerator to measure a temperature in a high temperature or an evaporator before and after the operation of the compressor and to detect a shortage of refrigerant by comparing an amount of temperature change. Measuring the internal temperature of the refrigerator, operating the compressor after a predetermined time period, measuring the internal temperature of the compressor, comparing the temperature difference between the compressor operation and the predetermined time operation, and determining the refrigerant leakage according to the temperature difference. It is possible to prevent the kimchi break due to lack of refrigerant amount by detecting the leakage of the refrigerant, as well as improve the operation rate of the compressor.
Description
본 발명은 김치냉장고의 냉매유출 감지방법에 관한 것으로서, 보다 상세하게는 압축기의 작동전과 작동후의 고내 온도나 증발기의 온도를 측정하여 온도 변화의 발생량을 비교하여 냉매량의 부족을 감지할 수 있도록 한 김치냉장고의 냉매유출 감지방법에 관한 것이다.The present invention relates to a method for detecting a refrigerant leakage of a kimchi refrigerator, and more specifically, to measure a temperature inside a high temperature or an evaporator before and after operation of a compressor, and to compare the amount of temperature change and to detect a shortage of refrigerant. It relates to a refrigerant leakage detection method of the refrigerator.
일반 냉장고의 경우에는 문을 자주 열고 닫는 과정에서 냉장고 내부온도가 심하게 변화되고, 김치를 그릇에 담기 위해 냉장고 밖으로 김치통을 꺼내는 도중에 외부 공기와의 접촉에 의해서 김치의 보존 기간이 짧으며, 김치의 알맞은 숙성상태를 그대로 유지하기가 매우 어렵다. 이러한 점을 해결하기 위한 것으로서, 계절의 변화 및 사용자의 기호에 따라 김치를 적당히 숙성시킨 다음, 적정온도로 유지하여 잘 익은 김치의 맛을 오랫동안 보존할 수 있는 김치 냉장고가 개발되었다.In the case of general refrigerators, the internal temperature of the refrigerator is severely changed during the frequent opening and closing of the door, and the preservation period of kimchi is shortened by contact with the outside air while taking out the kimchi container out of the refrigerator to put the kimchi in the bowl. It is very difficult to maintain proper maturation. In order to solve this problem, a kimchi refrigerator has been developed that can ripen kimchi appropriately according to the change of seasons and user's preferences, and then maintain the proper temperature for a long time to preserve the taste of ripe kimchi.
일반적으로 김치 냉장고는 김치에 열을 가하여 이를 적절하게 숙성 발효시키거나 또는 김치를 저온으로 냉각시켜 처음과 같이 생김치 상태로 장시간 보관하는 등 사용자의 기호에 맞게 발효, 저장하는 것으로서, 이러한 김치 저장고의 내부에는 냉각장치와 가열장치를 구비되어 있어, 초기에는 가열장치를 이용하여 빠른 시간 내에 내부 케이스에 저장되어 있는 김치를 기호에 맞게 숙성시킨 다음, 냉각장치를 이용하여 내부 케이스의 온도를 적정수준으로 유지함으로써, 김치의 맛과 신선도를 장기간 보존하는 것이 가능하게 된다.In general, kimchi refrigerators are fermented and stored according to the user's preference, such as by heating the kimchi to ripen and ferment it appropriately or by cooling the kimchi at a low temperature and storing it for a long time in the form of fresh kimchi as the first time. It is equipped with a cooling device and a heating device. Initially, the heating device is used to ripen kimchi stored in the inner case as quickly as desired, and then the cooling device is used to maintain the temperature of the inner case at an appropriate level. By doing so, it becomes possible to preserve the taste and freshness of kimchi for a long time.
도 1은 종래의 김치 냉장고의 기본 구조를 간략하게 도시한 블록구성도이다.1 is a block diagram schematically showing the basic structure of a conventional kimchi refrigerator.
여기에 도시된 바와 같이 냉매를 고온 고압으로 압축시키는 고정 속도 압축기(10)와, 고정 속도 압축기(10)에 의해 압축된 냉매에 함유된 열을 방출하여 액화시키는 응축기(20)와, 응축기(20)에서 보내진 냉매에 함유된 수분이나 이물질을 걸러내는 드라이어(30)와, 드라이어(30)를 통과한 냉매를 증발되기 쉬운 저압상태로 만드는 감압장치(40)와, 감압장치(40)를 통해 저압상태로 바뀐 냉매가 증발되면서 주변의 열을 흡수하여 냉각시키기 위해 저장고(90)내에 설치된 증발기(50)로 이루어진다.As shown here, a fixed speed compressor 10 for compressing a refrigerant at high temperature and high pressure, a condenser 20 for releasing and liquefying heat contained in the refrigerant compressed by the fixed speed compressor 10, and a condenser 20 Dryer 30 to filter out water or foreign substances contained in the refrigerant sent from the), and a pressure reducing device 40 for making the refrigerant passing through the dryer 30 into a low pressure easy to evaporate, and a low pressure through the pressure reducing device 40 The refrigerant changed into a state is made of an evaporator 50 installed in the reservoir 90 to absorb and cool the surrounding heat.
그리고, 김치종류, 숙성기간, 숙성온도 등을 설정하기 위한 선택키 입력부(70)와, 저장고(90)내의 온도를 측정하기 위한 온도센서(95)와, 선택키 입력부(70)와 온도센서(95)의 값을 입력받아 압축기(10)의 작동을 제어하는 제어부(60)와, 제어부(60)의 상태를 표시하는 표시부(80)로 이루어진다.Then, the selection key input unit 70 for setting the type of kimchi, the ripening period, the aging temperature, the temperature sensor 95 for measuring the temperature in the storage 90, the selection key input unit 70 and the temperature sensor ( A control unit 60 for controlling the operation of the compressor 10 by receiving the value of 95 and a display unit 80 for displaying the state of the control unit 60.
또한, 제어부(60)의 제어에 따라 저장고(90)내에 설치되어 저장고(90)내의 김치류를 가열시키기 위한 전기코일(100)로 이루어진다.In addition, under the control of the control unit 60 is installed in the reservoir 90 is composed of an electric coil 100 for heating the kimchi in the reservoir (90).
위와 같이 이루어진 김치 냉장고는 제어부(60)에서 저장고(90) 내에 담겨있는 김치 종류나 숙성온도에 따라 전기코일(100)로 전기를 공급하여 저장고(90)내를 가열하여 숙성시킨 후 압축기(10)의 온오프 작동을 반복하여 고내를 일정한 온도로 유지시키도록 작동된다.Kimchi refrigerator made as described above is supplied to the electric coil 100 in accordance with the type or aging temperature of the kimchi contained in the storage 90 in the control unit 60 to heat the inside of the storage (90) and to mature the compressor (10) Repeated on and off operation of the operation is maintained to maintain a constant temperature inside.
그런데, 위와 같은 김치냉장고에서 고내 온도를 냉각시키기 위해 사용되는 냉매가 누설될 경우 이를 사용자가 용이하게 파악하지 못하여 냉매량이 저하됨으로써 원하는 온도로 고내 온도를 낮출 수 없게 되어 김치가 쉬는 현상이 발생한다는 문제점이 있다.However, when the refrigerant used to cool the high temperature in the Kimchi refrigerator as described above leaks, the user cannot easily grasp the leak, and the amount of the refrigerant decreases, so that the temperature inside the high temperature cannot be lowered to the desired temperature. There is this.
또한, 냉매량이 부족해짐에 따라 압축기의 운전율이 상승하여 압축기의 수명이 단축된다는 문제점이 있다.In addition, as the amount of refrigerant is insufficient, there is a problem that the operation rate of the compressor is increased to shorten the life of the compressor.
따라서, 본 발명은 상기와 같은 문제점을 해결하기 위해 창작된 것으로서, 본 발명의 목적은 압축기가 작동된 후 즉, 냉매가 순환되기 시작할 때의 온도와 압축기가 일정시간 작동된 후의 온도를 비교하여 일정값 이상 차이가 발생하지 않을 경우 냉매량의 부족으로 판단하여 경고할 수 있도록 하는 김치냉장고의 냉매유출 감지방법을 제공함에 있다.Accordingly, the present invention was created to solve the above problems, and an object of the present invention is to compare the temperature after the compressor is operated, that is, when the refrigerant starts to circulate with the temperature after the compressor is operated for a certain time. It is to provide a refrigerant leakage detection method of the Kimchi refrigerator that can be determined to warn that the amount of refrigerant is insufficient when the difference does not occur more than the value.
도 1은 종래의 김치 냉장고의 기본 구조를 간략하게 도시한 블록구성도이다.1 is a block diagram schematically showing the basic structure of a conventional kimchi refrigerator.
도 2는 본 발명에 의한 김치냉장고의 냉매유출 감지방법을 순차적으로 도시한 흐름도이다.2 is a flowchart sequentially showing a method of detecting a refrigerant leakage of a kimchi refrigerator according to the present invention.
- 도면의 주요부분에 대한 부호의 설명 --Explanation of symbols for the main parts of the drawings-
10 : 압축기 20 : 응축기10 compressor 20 condenser
30 : 드라이어 40 : 감압장치30: dryer 40: decompression device
50 : 증발기 60 : 제어부50: evaporator 60: control unit
70 : 선택키 입력부 80 : 표시부70: selection key input unit 80: display unit
90 : 저장고 95 : 온도센서90: storage 95: temperature sensor
100 : 전기코일100: electric coil
상기와 같은 목적을 실현하기 위한 본 발명은 압축기의 작동시점에서 고내 온도를 측정하는 단계와, 압축기를 일정시간 작동시킨 후 고내 온도를 측정하는 단계와, 압축기의 작동전과 일정시간 작동후의 온도차를 비교하는 단계와, 비교한 온도차에 따라 냉매유출을 판단하는 단계로 이루어진 것을 특징으로 한다.The present invention for achieving the above object is the step of measuring the temperature in the high temperature at the time of operation of the compressor, the step of measuring the temperature in the high temperature after operating the compressor for a certain time, and compares the temperature difference before the operation of the compressor and after a certain time operation And determining the refrigerant leakage according to the compared temperature difference.
위와 같이 이루어진 본 발명의 작동을 설명하면 다음과 같다.Referring to the operation of the present invention made as described above are as follows.
고내 온도를 낮추기 위해 압축기를 작동시킬 때의 고내 온도를 측정한 후 일정시간 압축기를 작동시킨 후 고내 온도를 측정하여 고내 온도의 변화가 없을 경우 냉매가 유출되고 있거나 냉매량이 부족한 것으로 판단하여 이를 표시하도록 작동된다.Measure the internal temperature of the compressor when operating the compressor to lower the internal temperature, and then measure the internal temperature after operating the compressor for a certain period of time.If there is no change in the internal temperature, it is determined that the refrigerant is leaking or the amount of refrigerant is insufficient. It works.
이하, 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 설명한다. 또한 본 실시예는 본 발명의 권리범위를 한정하는 것은 아니고, 단지 예시로 제시된 것이며 종래 구성을 동일하게 사용한다.Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings. In addition, this embodiment is not intended to limit the scope of the present invention, it is presented by way of example only, and uses the same conventional configuration.
도 2는 본 발명에 의한 김치냉장고의 냉매유출 감지방법을 순차적으로 도시한 흐름도이다.2 is a flowchart sequentially showing a method of detecting a refrigerant leakage of a kimchi refrigerator according to the present invention.
여기에 도시된 바와 같이 먼저, 저장 상태에서 압축기가 작동되기 전에 고내 온도(T0)를 측정한다(S210). 그리고, 압축기를 작동시켜 냉매를 순환시킴으로써 냉매의 기화열에 의해 고내 온도를 낮추게 된다. 이렇게 일정시간 즉, 고내 온도가 냉각 될 수 있는 충분한 시간이 경과될 때까지 압축기를 작동시킨다(S220)(S230). 본 실시예에서는 약 30분간 압축기를 운전시킨 다음 고내 온도(T1)를 다시금 측정한다(S240). 그래서 압축기가 작동되기 전의 고내 온도(T0)와 압축기가 일정시간 작동된 후의 고내 온도(T1)간의 온도차를 비교하여 2℃의 온도 변화가 발생했는지 판단하게 된다(S250). 약 2℃는 공기중에서는 자연적인 바람에 의해 변동될 수 있는 온도로서 거의 냉각이 이루어지지 않았음을 판단할 수 있다. 이렇게 압축기의 작동 전후로 고내 온도의 변화가 거의 없을 경우 냉매량이 부족한 것으로 판단하여 표시부를 통해 경고를 발생하도록 한다(S260). 그러나 압축기의 작동 전후로 온도의 변화가 있을 경우 즉, 정상적으로 압축기가 작동될 경우에는 다시금 냉매의 유출이 있는 가를 판단하기 위해 압축기의 작동전에 고내 온도(T0)를 측정하는 단계(S210)로 리턴된다.As shown here, first, the internal temperature T0 is measured before the compressor is operated in a storage state (S210). In addition, by operating the compressor to circulate the refrigerant, the internal temperature of the refrigerant is lowered by the heat of vaporization of the refrigerant. In this way, the compressor is operated until a predetermined time, that is, a sufficient time that the internal temperature is cooled (S220) (S230). In this embodiment, the compressor is operated for about 30 minutes and the internal temperature T1 is measured again (S240). Thus, by comparing the temperature difference between the internal temperature T0 before the compressor is operated and the internal temperature T1 after the compressor is operated for a predetermined time, it is determined whether a temperature change of 2 ° C. has occurred (S250). About 2 ° C. is a temperature that can be changed by natural wind in the air, and it can be determined that there is almost no cooling. When there is almost no change in the internal temperature before and after the operation of the compressor, it is determined that the amount of refrigerant is insufficient to generate a warning through the display unit (S260). However, when there is a change in temperature before and after the operation of the compressor, that is, when the compressor is normally operated, it is returned to the step S210 of measuring the internal temperature T0 before the operation of the compressor to determine whether there is a leakage of the refrigerant.
도 3은 본 발명의 다른 실시예로서 김치냉장고의 냉매유출 감지방법을 순차적으로 도시한 흐름도이다.3 is a flowchart sequentially illustrating a refrigerant leakage detection method of a kimchi refrigerator as another embodiment of the present invention.
여기에 도시된 바와 같이 먼저, 저장 상태에서 압축기의 작동되기 전에 증발기의 온도(EVAT0)를 측정한다(S310). 그리고, 압축기를 작동시켜 냉매를 순환시킴으로써 냉매의 기화열에 의해 고내 온도를 낮추게 된다. 이렇게 일정시간 즉, 고내 온도가 냉각 될 수 있는 충분한 시간이 경과될 때까지 압축기를 작동시킨다(S320)(S330). 본 실시예에서는 약 30분간 압축기를 운전시킨 다음 증발기의 온도(EVAT1)를 다시금 측정한다(S340). 그래서 압축기가 작동되기 전의 증발기 온도(EVAT0)와 압축기가 일정시간 작동된 후의 증발기 온도(EVAT1)간의 온도차를 비교하여 2℃의 온도 변화가 발생했는지 판단하게 된다(S350). 이때 온도의 변화가 없을 경우에는 거의 냉각이 이루어지지 않은 것으로 판단할 수 있다. 이렇게 압축기의 작동 전후로 증발기의 온도 변화가 거의 없을 경우 냉매량이 부족한 것으로 판단하여 표시부를 통해 경고를 발생하도록 한다(S360). 그러나 압축기의 작동 전후로 온도의 변화가 있을 경우 즉, 정상적으로 압축기가 작동될 경우에는 다시금 냉매의 유출이 있는 가를 판단하기 위해 압축기의 작동전에 증발기 온도(EVAT0)를 측정하는 단계(S310)로 리턴된다.As shown here, first, the temperature EVAT0 of the evaporator is measured before the compressor is operated in a stored state (S310). In addition, by operating the compressor to circulate the refrigerant, the internal temperature of the refrigerant is lowered by the heat of vaporization of the refrigerant. In this way, the compressor is operated until a predetermined time, that is, a sufficient time that the internal temperature is cooled (S320) (S330). In this embodiment, the compressor is operated for about 30 minutes, and then the temperature EVAT1 of the evaporator is measured again (S340). Thus, it is determined whether a temperature change of 2 ° C. occurs by comparing the temperature difference between the evaporator temperature EVAT0 before the compressor is operated and the evaporator temperature EVAT1 after the compressor is operated for a predetermined time (S350). In this case, if there is no change in temperature, it can be determined that cooling is hardly performed. When there is almost no temperature change of the evaporator before and after the operation of the compressor, it is determined that the amount of refrigerant is insufficient to generate a warning through the display unit (S360). However, when there is a change in temperature before and after the operation of the compressor, that is, when the compressor is normally operated, it is returned to step S310 of measuring the evaporator temperature EVAT0 before the operation of the compressor in order to determine whether there is a leakage of the refrigerant.
상기한 바와 같이 본 발명은 김치냉장고에서 고내 온도를 낮추기 위해 사용되는 냉매가 유출되어 냉매량이 부족하게 되는 것을 감지함으로써 냉각이 정상적으로 이루어지지 않아 김치의 쉼 발생을 방지할 수 있어 제품의 신뢰성을 향상시킬 수 있다는 이점이 있다.As described above, the present invention detects that the refrigerant used to lower the internal temperature in the kimchi refrigerator is low and the amount of the refrigerant is insufficient, thereby preventing the cooling of the kimchi. There is an advantage that it can.
또한, 냉매량이 부족하여 압축기의 운전율이 저하되는 것을 방지하여 압축기의 수명을 연장시킬 수 있다는 이점이 있다.In addition, there is an advantage that the life of the compressor can be extended by preventing the amount of refrigerant is insufficient to prevent the operation rate of the compressor to decrease.
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| KR1019990030885A KR100325549B1 (en) | 1999-07-28 | 1999-07-28 | Method for detecting refrigerant leakage of a kimchi refrigerator |
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| KR101303394B1 (en) * | 2010-08-06 | 2013-09-05 | 위니아만도 주식회사 | How to detecting refrigerant leaks |
| CN112556300B (en) * | 2020-12-15 | 2022-05-06 | 四川虹美智能科技有限公司 | Method for determining fluorine leakage of variable frequency refrigerator and variable frequency refrigerator |
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