KR100376790B1 - Heat exchanger of fermentative food storage apparatus - Google Patents
Heat exchanger of fermentative food storage apparatus Download PDFInfo
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- KR100376790B1 KR100376790B1 KR10-2000-0054705A KR20000054705A KR100376790B1 KR 100376790 B1 KR100376790 B1 KR 100376790B1 KR 20000054705 A KR20000054705 A KR 20000054705A KR 100376790 B1 KR100376790 B1 KR 100376790B1
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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
- F25D23/00—General constructional features
- F25D23/006—General constructional features for mounting refrigerating machinery components
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line 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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/04—Self-contained movable devices, e.g. domestic refrigerators specially adapted for storing deep-frozen articles
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- 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
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
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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
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/026—Doors; Covers for open-top cabinets
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- Mechanical Engineering (AREA)
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- General Engineering & Computer Science (AREA)
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- General Chemical & Material Sciences (AREA)
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Abstract
본 발명은 열교환기의 설계를 최적화하여 김치 저장실의 냉각 효율을 향상시키므로 김치의 숙성 및 저온 저장 상태를 최상으로 유지하기 위한 것으로, 김치가 수납된 저장실의 외주에 히터와 증발기를 설치하고 상기 저장실을 가열 및 냉각하여 김치의 숙성 및 저온 저장 상태를 유지하는 김치저장고의 열교환기에 있어서, 상기 증발기의 파이프 사이 간격을 저장실의 상측 단부로 부터 A, B, C, D, C가 되도록 권취하되, A〈D〈B〈C가 되게 설치하고, A의 길이를 25~35㎜ 범위를 만족하도록 형성함을 특징으로 한다.The present invention improves the cooling efficiency of the kimchi storage room by optimizing the design of the heat exchanger to maintain the best maturation and low-temperature storage state of kimchi, install a heater and an evaporator on the outer periphery of the storage room containing kimchi and the storage room In the heat exchanger of the kimchi storage, which is heated and cooled to maintain the ripening and low temperature storage of the kimchi, the space between the pipes of the evaporator is wound to be A, B, C, D, C from the upper end of the storage chamber, where A < It is installed so that D <B <C, and the length of A is formed so that it may satisfy the range of 25-35 mm.
Description
본 발명은 김치를 저장하여 발효 및 장기간 보관할 수 있도록 하는 김치저장고에 관한 것으로서, 특히 김치를 최적의 상태로 숙성시키고 저장할 수 있도록 한 김치저장고의 열교환기에 관한 것이다.The present invention relates to a kimchi storage for storing kimchi fermentation and long-term storage, and particularly relates to a heat exchanger of the kimchi storage to ripen and store kimchi in an optimal state.
잘 알려진 바와 같이 김치저장고는 열을 가하여 내부에 저장된 김치를 적절하게 발효 숙성시키거나, 저온 냉장 상태를 유지하여 사용자의 기호에 맞는 김치의 상태를 장기간 유지 보관할 수 있도록 한다.As is well known, kimchi storage is heated to ferment and ripen kimchi stored inside by heating, or to maintain the state of kimchi for the user's taste for a long time by maintaining a low temperature refrigeration state.
이러한 발효식품 즉 김치의 저장고는 도 1a에 도시한 바와 같이, 본체 케이스(1)의 내부 상측에 김치가 수납되는 하나 이상의 저장실(2)을 설치하고 단열부재를 이용하여 외기와 차단하며, 내부 하측에 상기 저장실(2)을 가열 혹은 냉각하는 장치들이 설치된 기계실(3)을 마련하고, 상기 본체 케이스(1)의 상부에는 상기 저장실(2)을 밀폐하는 도어(4)를 개폐 가능하게 설치한 구조로 이루어진다.As shown in FIG. 1A, the fermented food, that is, the storage of kimchi, is provided with at least one storage compartment 2 in which the kimchi is stored on the inner upper side of the main body case 1, and blocks the outside air by using an insulating member, and the inner lower side. A machine room 3 is provided in which a device for heating or cooling the storage compartment 2 is provided, and a door 4 for sealing the storage compartment 2 is provided on the upper part of the main body case 1 so as to be opened and closed. Is done.
또 상기 저장실(2)의 외주에는 기계실(3)에 장착된 기계장치들과 유기적으로 연결되고 상기 저장실(2)을 감싸도록 구성되어서, 상기 저장실을 냉각 및 가열하는 히터(5) 및 증발기(6)로 구성된 열교환기(7)를 설치하여 이루어진다.도 1b에서는 상기 저장실(2)의 외주연에서 균일한 간격으로 증발기(6)를 감아 놓고 상기 저장실(2) 외부의 표면에서 상·중·하단부 각각에 온도센서(도시하지 않음)를 부착 후 각각의 온도를 그래프로 도시하였다.그 결과, 상기 온도센서에서 나타나는 온도는 저장실(2) 외주연의 상단부 온도가 가장 높게 나타났고 하단부가 가장 낮게 나타났으며 그 온도 편차 또한 심하였다.즉, 상기 저장실(2) 외주연의 상·하단부 온도차이에 의한 저장실(2) 내부의 온도는 상·하부에서 설정 범위를 벗어나 큰 차이를 보이게 된다.다시 말해, 상기 저장실(2) 외주연에 증발기(6)를 균일하게 설치하였을 때 상기 증발기(6) 속을 지나는 냉매(도시하지 않음)의 냉기는 저장실(2) 표면에 전달되어 저장실(2) 내부로 전해지고 그 냉기는 주위 공기보다 상대적으로 무거워 저장실(2) 내부의 하단부로 가라앉는 대류 현상에 의해 대류현상이 발생하여 상기 저장실(2) 내부의 상·하단부의 온도 편차가 심하게 생긴다.In addition, the outer periphery of the storage compartment (2) is organically connected to the mechanical devices mounted on the machine room (3) and configured to surround the storage compartment 2, the heater (5) and evaporator (6) for cooling and heating the storage compartment In FIG. 1B, the evaporator 6 is wound around the outer periphery of the storage compartment 2 at uniform intervals, and the upper, middle, and lower ends of the heat exchanger 7 are formed on the outer surface of the storage compartment 2. After the temperature sensor (not shown) is attached to each of the respective temperatures are shown in the graph. As a result, the temperature appearing in the temperature sensor showed the highest temperature at the upper end of the outer periphery of the storage compartment 2 and the lowest at the lower end. The temperature difference inside the storage compartment 2 due to the difference in temperature between the upper and lower ends of the outer periphery of the storage compartment 2 shows a large difference out of the set range at the upper and lower ends. , remind When the evaporator 6 is uniformly installed at the outer periphery of the long room 2, the cool air of the refrigerant (not shown) passing through the evaporator 6 is transferred to the surface of the storage compartment 2 and transferred to the interior of the storage compartment 2, The cold air is heavier than the ambient air, so convection occurs due to convection that sinks to the lower end of the inside of the storage compartment 2, resulting in severe temperature variations in the upper and lower ends of the interior of the storage compartment 2.
이와 같이 구성된 종래의 김치저장고에서는 김치의 숙성 및 냉장 보관을 최적 상태로 유지하기 위해 열교환기(7)의 설계를 변경할 필요성이 있다. 예를 들어 종래 열교환기(7)는 증발기(6)가 저장실(2) 외벽에 균일 간격으로 설치되어, 증발기 코어에 근접한 부분에서는 김치의 결빙 현상이 발생하며 멀리 떨어진 부분에서는 온도가 높아 온도차가 심하게 되며 전체적으로 냉각 효율이 저하되는 문제점이 있다.In the conventional kimchi storage configured as described above, it is necessary to change the design of the heat exchanger 7 in order to keep the kimchi ripening and refrigerated storage in an optimal state. For example, in the conventional heat exchanger (7), the evaporator (6) is installed on the outer wall of the storage chamber (2) at uniform intervals, and the freezing of the kimchi occurs in the part near the evaporator core, and in the far part, the temperature difference is high due to the high temperature. There is a problem that the overall cooling efficiency is lowered.
상술한 종래 기술의 문제점을 해소하기 위한 것으로서, 본 발명은 열교환기의 설계를 최적화하여 김치 저장실의 냉각 효율을 향상시키므로, 김치의 숙성 및 저온 저장 상태를 최상으로 유지할 수 있도록 함에 그 목적을 두고 있다.In order to solve the above-mentioned problems of the prior art, the present invention is to optimize the design of the heat exchanger to improve the cooling efficiency of the kimchi storage room, and to provide the best to maintain the ripening and low-temperature storage state of kimchi. .
이를 위하여 본 발명에서는 김치가 수납된 저장실의 외주에 히터와 증발기를 설치하고 상기 저장실을 가열 및 냉각하여 김치의 숙성 및 저온 저장 상태를 유지하는 김치저장고의 열교환기에 있어서, 상기 증발기의 파이프 사이 간격을 저장실의 상측 단부로 부터 A, B, C, D, C가 되도록 권취하되, A〈D〈B〈C가 되게 설치하고, A의 길이를 25~35㎜ 범위를 만족하도록 형성한다.To this end, in the present invention, a heater and an evaporator are installed on the outer circumference of the storage chamber in which the kimchi is stored, and in the heat exchanger of the kimchi storage to maintain the ripening and low temperature storage of the kimchi by heating and cooling the storage chamber, It is wound up from the upper end of the storage chamber to be A, B, C, D, C, but is set so that A < D < B < C, and the length of A is formed to satisfy the range of 25 to 35 mm.
바람직하게 상기 증발기의 파이프 최하부에 B와 동일 간격을 갖는 파이프를 더 권취할 수 있다.Preferably, the pipe at the lowermost part of the pipe of the evaporator may be further wound with the same interval as B.
도 1a는 종래 공지된 김치저장고를 도시한 측면도.도 1b는 도 1a에서의 저장실 내부 상·중·하단부 각각의 온도를 제시한 그래프.1A is a side view showing a conventionally known kimchi storage. FIG. 1B is a graph showing temperatures of upper, middle, and lower ends of the storage chamber in FIG. 1A.
도 2a는 본 발명에 의한 김치저장고의 열교환기를 확대 도시한 정면도.도 2b는 도 2a에서의 저장실 내부 상·중·하단부 각각의 온도를 제시한 그래프.Figure 2a is an enlarged front view of the heat exchanger of the kimchi reservoir according to the present invention. Figure 2b is a graph showing the temperature of each of the upper, middle and lower ends of the storage compartment in Figure 2a.
* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings
2-저장실 5-히터2-storage 5-heater
8-증발기 9-열교환기8-evaporator 9-heat exchanger
이하 첨부 도면에 의거하여 본 발명의 바람직한 실시예를 설명한다. 참고로 본 발명을 설명함에 있어 종래 기술의 구성과 동일한 부분에 대하여는 동일 부호를 부여하기로 한다.DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. For reference, in describing the present invention, the same reference numerals will be given to the same parts as the configurations of the prior art.
도 2a는 본 발명에 의한 김치저장고를 구성하는 저장실 및 열교환기의 외관을 보여주고 있다.Figure 2a shows the appearance of the storage compartment and the heat exchanger constituting the kimchi storage according to the present invention.
본 발명의 김치저장고는 본체 케이스의 내부 상측 공간에 김치를 수납하는 저장실(2)을 설치하고 있으며, 상기 저장실(2)의 외측에 열교환기(9)를 설치하고, 상기 저장실(2)의 하측 공간에는 도시생략한 기계실을 설치하여 이루어진다.Kimchi storage of the present invention is provided with a storage chamber (2) for storing kimchi in the inner upper space of the main body case, a heat exchanger (9) is provided outside the storage chamber (2), the lower side of the storage chamber (2) The space is provided by installing a machine room not shown.
열교환기(9)는 저장실(2)을 가열하기 위한 히터(5)와, 상기 저장실(2)을 냉각하기 위한 증발기(8)로 구성한다.The heat exchanger 9 comprises a heater 5 for heating the storage chamber 2 and an evaporator 8 for cooling the storage chamber 2.
이를 위하여 상기 저장실(2)의 하측 기계실에는 상기 히터(5)를 가열하기 위한 가열수단과, 상기 증발기(8)의 파이프로 공급되는 냉매를 액화시키기 위한 기계설비들을 설치한다.To this end, in the lower mechanical chamber of the storage chamber 2, heating means for heating the heater 5 and mechanical facilities for liquefying the refrigerant supplied to the pipe of the evaporator 8 are installed.
이와 같이 구성된 김치저장고에서 본 발명의 열교환기(9)는 김치를 최적의 상태로 숙성하고 저온 저장하기 위해, 특히 증발기(8)의 설계를 최적화하고자 한다.In the kimchi storage configured as described above, the heat exchanger 9 of the present invention intends to optimize the design of the evaporator 8, in particular, in order to ripen kimchi in an optimal state and store it at low temperature.
보다 구체적으로 본 발명에서는 증발기(8)의 파이프 사이 간격을 저장실의 상측 단부로 부터 A, B, C, D, C가 되도록 권취하되, 상호 간격을 A〈D〈B〈C의 관계가 성립되게 설치하고, 이때 A의 길이를 25~35㎜ 범위를 만족하도록 형성함으로써 김치를 최정의 상태로 숙성 및 저온 저장할 수 있다.More specifically, in the present invention, the space between the pipes of the evaporator 8 is wound so as to be A, B, C, D, and C from the upper end of the storage chamber, but the relationship between A <D <B <C is established. It is installed, and at this time, by forming the length of the A to satisfy the range of 25 ~ 35mm kimchi can be ripened and stored at a low temperature in the optimal state.
또한 본 발명에서는 증발기(8)의 파이프 최하부에 B와 동일 간격을 갖는 파이프를 더 권취할 수 있다.Moreover, in this invention, the pipe which has a space | interval equal to B can be further wound up in the pipe lowest part of the evaporator 8.
즉 본 발명에 의하면 동일 간격을 갖는 B, C를 상, 하부에 각각 배치하고, 그 사이에 간격이 좁은 D를 배치한다.That is, according to this invention, B and C which have the same space | interval are arrange | positioned at upper and lower sides, respectively, and the space | interval D which is narrow is arrange | positioned in between.
예를 들어 본 발명의 증발기(8)의 파이프 간격을 실제 적용하는 수치로 나타내보면, A를 34㎜로 할 때 B, C, D, C, B를 42, 46, 35, 46, 42㎜로 형성하는 것이 좋다.즉, 상기 저장실(2) 내부의 온도는 그 외주연에 증발기(8)를 균일한 간격으로 권치 하였을 때 상단부의 온도가 하단부의 온도보다 설정치 이상으로 높기 때문에 상기 저장실(2) 외주연에서 증발기(8)는 하단부에서 상단부로 갈수록 대체로 간격을 좁혀가며 권취시킨다.그래서, 상기 저장실(2) 내부의 온도는 종래보다 상대적으로 상단부에서 낮추도록 증발기(8)의 권취 간격을 좁히게 된다.상기 저장실(2) 외주연에서 증발기(8)를 많이 권취하거나 조밀하게 권취수록 그 부분의 저장실(2) 내부 온도는 상대적으로 낮게 된다.도 2b에 도시한 바와 같이, 상기 저장실(2) 외주연에 증발기(8)를 불균일한 간격으로 권취시켜 놓고 상·중 및 하단부로 나누어 저장실(2) 외주연의 온도를 측정하면 상단부와 하단부의 온도의 편차가 종래 보다 적음을 알 수 있다.For example, when the pipe spacing of the evaporator 8 of the present invention is shown as a numerical value that actually applies, B, C, D, C, and B are 42, 46, 35, 46, 42 mm when A is 34 mm. In other words, when the evaporator 8 is wound around the outer periphery at a uniform interval, the temperature inside the storage chamber 2 is higher than the set value above the temperature of the lower portion. At the outer periphery, the evaporator 8 is wound with a narrower gap from the lower end to the upper end. Thus, the winding interval of the evaporator 8 is narrowed so that the temperature inside the storage compartment 2 is lowered at the upper end relative to the prior art. As the evaporator 8 is wound up or more tightly wound around the outer side of the storage compartment 2, the internal temperature of the storage compartment 2 of the portion becomes relatively low. As shown in FIG. 2B, the storage compartment 2 is formed. Wind the evaporator (8) at non-uniform intervals on the outer periphery When the temperature of the outer periphery of the storage compartment 2 is measured by dividing into upper, middle, and lower ends, it can be seen that the temperature difference between the upper end and the lower end is smaller than before.
이상에서 설명한 구성을 통하여 알 수 있는 바와 같이, 본 발명의 김치저장고의 열교환기는 증발기 파이프의 상하 간격을 최적의 상태로 설계하므로, 일부 김치의 과숙성 및 결빙을 방지하고 냉각 효율을 향상시키는 효과를 얻을 수 있다.As can be seen through the configuration described above, the heat exchanger of the kimchi storage of the present invention is designed in the optimum state of the upper and lower intervals of the evaporator pipe, to prevent the over-maturation and freezing of some kimchi and improve the cooling efficiency You can get it.
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| KR10-2000-0054705A KR100376790B1 (en) | 2000-09-18 | 2000-09-18 | Heat exchanger of fermentative food storage apparatus |
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| KR10-2000-0054705A KR100376790B1 (en) | 2000-09-18 | 2000-09-18 | Heat exchanger of fermentative food storage apparatus |
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| KR100595292B1 (en) * | 2004-06-14 | 2006-07-03 | 엘지전자 주식회사 | Refrigerator for kimchi |
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