KR19980014165U - Cold air generator of refrigerator - Google Patents
Cold air generator of refrigerator Download PDFInfo
- Publication number
- KR19980014165U KR19980014165U KR2019960027769U KR19960027769U KR19980014165U KR 19980014165 U KR19980014165 U KR 19980014165U KR 2019960027769 U KR2019960027769 U KR 2019960027769U KR 19960027769 U KR19960027769 U KR 19960027769U KR 19980014165 U KR19980014165 U KR 19980014165U
- Authority
- KR
- South Korea
- Prior art keywords
- evaporator
- refrigerator
- air
- cold air
- cold
- Prior art date
Links
- 238000005338 heat storage Methods 0.000 claims abstract description 7
- 239000003507 refrigerant Substances 0.000 abstract description 12
- 238000001816 cooling Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract 1
- 238000007710 freezing Methods 0.000 description 6
- 230000008014 freezing Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000010792 warming Methods 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
- 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
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
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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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
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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
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/067—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by air ducts
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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
- F25D2400/02—Refrigerators including a heater
Landscapes
- 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)
- Defrosting Systems (AREA)
Abstract
본 고안은 증발기(10)의 상부에 냉기를 저장하는 보조냉각기(40)를 설치하여 증발기(10)에 낀 성에 제거작업을 하기 위해 작동되는 제상히터(20)에 의해 증발기(10)가 가열되어 고내의 공기를 제대로 냉각시키지 못할 때, 증발기(10)의 온도가 낮아질 때까지 보조냉각기(40)에 저장된 냉열로 고내의 공기를 냉각시켜 냉기효율을 높이는 냉장고의 냉기발생장치에 관한 것이다.In the present invention, the evaporator 10 is heated by a defrost heater 20 that is installed to remove the frost on the evaporator 10 by installing an auxiliary cooler 40 to store cold air on the upper part of the evaporator 10. When the air in the refrigerator is not properly cooled, it relates to a cold air generating device of a refrigerator that cools the air in the refrigerator by cooling heat stored in the subcooler 40 until the temperature of the evaporator 10 is lowered to increase the cooling efficiency.
상기 본 고안의 구조는 냉매의 순환에 의해 고내의 공기를 냉각시키는 증발기(10)와, 상기 증발기(10)의 하부에 설치되어 증발기(10)에 낀 성에를 제거하는 제상히터(20)와, 상기 증발기(10)의 상부에 양측판(42) 사이에 다수개의 냉열저장판(44)이 일정간격 이격되게 세로로 배열된 보조냉각기(40)를 구비하여 상기 증발기(10)의 상부에 고정되도록 설치한 것을 특징으로 한다.The structure of the present invention is an evaporator (10) for cooling the air in the refrigerator by the circulation of the refrigerant, a defrost heater (20) installed in the lower portion of the evaporator (10) to remove the frost on the evaporator (10), A plurality of cold heat storage plates 44 between the side plates 42 on the upper part of the evaporator 10 is provided with an auxiliary cooler 40 arranged vertically at regular intervals to be fixed to the upper part of the evaporator 10. It is characterized by the installation.
Description
본 고안은 냉장고의 냉기발생장치에 관한 것으로, 더욱 상세하게는 증발기의 상부에 냉기를 저장하는 보조냉각기를 설치하여 증발기에 낀 성에 제거작업을 하기 위해 작동되는 제상히터에 의해 증발기가 가열되어 고내의 공기를 제대로 냉각시키지 못할 때, 증발기의 온도가 낮아질 때까지 보조냉각기에 저장된 냉열로 고내의 공기를 냉각시켜 냉기효율을 높이는 냉장고의 냉기발생장치에 관한 것이다.The present invention relates to a cold air generating device of a refrigerator, and more particularly, an evaporator is heated by a defrost heater operated to remove frost on the evaporator by installing an auxiliary cooler to store cold air on the upper part of the evaporator. When the air is not properly cooled, it relates to a cold air generating device of a refrigerator which cools the air in the furnace by cooling heat stored in the subcooler until the temperature of the evaporator is lowered to increase the cooling efficiency.
일반적으로 냉장고는 기계실에 설치된 압축기를 통해 기체상태의 냉매를 고온고압으로 압축시켜 응축기로 공급하고, 응축기는 냉매의 온도를 방출시켜 저온고압의 액상냉매로 형성한 후, 모세관을 통과시킨다. 모세관을 통과하는 냉매는 저온저압의 액상 냉매로 되어 증발기로 보내지며, 증발기로 보내진 저온저압의 냉매는 주위의 열을 빼앗아 기화되면서 증발기를 통과하면서 접촉되는 고내의 공기를 냉각시킨 후, 다시 압축기로 회수되는 냉매 싸이클을 갖는다.In general, a refrigerator compresses a gaseous refrigerant at a high temperature and high pressure through a compressor installed in a machine room and supplies it to a condenser, and a condenser releases the temperature of the refrigerant to form a liquid refrigerant having a low temperature and high pressure, and then passes through a capillary tube. The refrigerant passing through the capillary becomes a low-temperature low-pressure liquid refrigerant and is sent to the evaporator. The low-temperature low-pressure refrigerant sent to the evaporator cools the air in the air contacted while passing through the evaporator while evaporating away the surrounding heat. Has a refrigerant cycle to be recovered.
이와 같은 냉매싸이클에 의해 형성된 냉기는 도 1에 도시된 바와 같이 냉기는 증발기(10)의 상부에 설치된 냉동실 및 냉장실팬(12)에 의해 강제 순환되어 고내로 공급된 후 다시 증발기(10)로 리턴되는데, 증발기(10)로 리턴되는 공기는 많은 수분을 함유하고 있기 때문에 증발기(10)와 접촉시 급격한 온도차에 의해 증발기(10)에 이슬이 맺히게 되며, 이는 곧 빙결되어 성에가 된다. 참조번호 14는 냉동실 후측에 설치된 냉동실루버이며, 냉동실팬(12)이 설치된 부위에 냉기토출구(14)가 형성되어 있다.As shown in FIG. 1, the cold air formed by the refrigerant cycle is forcedly circulated by the freezer compartment and the refrigerating compartment fan 12 installed at the upper portion of the evaporator 10, supplied into the refrigerator, and then returned to the evaporator 10 again. However, since the air returned to the evaporator 10 contains a lot of moisture, dew is formed on the evaporator 10 due to a sudden temperature difference when it comes in contact with the evaporator 10, which is frozen and becomes frost. Reference numeral 14 is a freezing chamber installed at the rear side of the freezing chamber, and a cold air discharge port 14 is formed at a portion where the freezing chamber fan 12 is installed.
이와 같이 발생된 성에는 얼음과 같이 빙결온도 이하로는 내려가지 않기 때문에 보온효과를 낳게 되어 증발기(10)를 통과하는 공기를 냉각시키지 못하므로 냉기효율이 떨어지게 된다. 따라서 이러한 증발기(10)에 발생된 성에를 제거하기 위하여 증발기(10)의 하부에 일정주기로 작동하는 제상히터(20)를 설치한다. 참고로 참조번호 18,38은 냉기 리턴덕트이고 16은 사절판이다.The generated castle does not fall below the freezing temperature like ice, resulting in a warming effect, and thus does not cool the air passing through the evaporator 10, thereby reducing the cold air efficiency. Therefore, in order to remove the frost generated in the evaporator 10, a defrost heater 20 that operates at a constant cycle is installed in the lower part of the evaporator 10. For reference, 18 and 38 are cold return ducts and 16 is a trimming plate.
그러나 상기와 같은 구조의 냉장고는 일정한 주기마다 제상히터(20)가 작동하여 증발기(10)의 성에를 제거할 때, 제상히터(20)의 열에 의해 증발기(10)의 온도 높아지게 되며, 증발기(10)의 성에 제거작업이 완료된 후, 다시 냉매를 순환시켜 냉기를 형성할 때, 증발기(10)의 온도가 높은 상태이므로 증발기(10)를 냉각시키기 위해 많은 양의 냉매를 순환시켜야 하고 그에 따른 불필요한 전력이 낭비되며, 냉기효율이 떨어지게 되는 폐단이 있게 된다.However, in the refrigerator having the structure as described above, when the defrost heater 20 operates to remove the defrost of the evaporator 10 at regular intervals, the temperature of the evaporator 10 is increased by the heat of the defrost heater 20, and the evaporator 10 After the defrosting is completed, the refrigerant is circulated again to form cold air, so the temperature of the evaporator 10 is high, so a large amount of refrigerant must be circulated to cool the evaporator 10, and thus unnecessary power is required. This wastes, and there is a closed end that the cold air efficiency decreases.
본 고안은 상기와 같은 종래의 폐단을 해소하고자 안출된 것으로 그 목적은 냉기를 저장할 수 있는 보조냉각기를 설치하여 성에 제거를 위해 작동된 제상히터에 의해 온도가 높아진 증발기가 제 성능을 발휘할 때까지 보조냉각기에 저장된 냉기로 고내의 공기를 냉각시킴으로써 냉기 효율을 높일 수 있도록 하는 냉장고의 증발기를 제공하는데 있다.The present invention was devised to solve the above-mentioned conventional end. The purpose of the present invention is to install an auxiliary cooler that can store cold air until the evaporator whose temperature is elevated by the defrost heater operated to remove the frost is exerted. An object of the present invention is to provide an evaporator of a refrigerator capable of increasing the efficiency of cold air by cooling air in the refrigerator with cold stored in the cooler.
도 1은 종래의 기술에 따른 냉장고의 냉기순환구조를 나타낸 측단면 도이다.1 is a side cross-sectional view showing a cold air circulation structure of a refrigerator according to the prior art.
도 2는 본 고안에 따른 냉장고의 냉기순환구조를 개적으로 나타낸 측 단면도이다.Figure 2 is a side cross-sectional view showing the cold air circulation structure of the refrigerator according to the present invention individually.
도 3은 본 고안에 따른 냉기발생장치의 구조를 도시한 사시도다.3 is a perspective view showing the structure of a cold air generating device according to the present invention.
*** 도면의 주요부분에 대한 부호의 설명 ****** Explanation of symbols for main parts of drawing ***
10 : 증발기 12 : 냉동, 냉장실팬10: evaporator 12: refrigeration, refrigerator compartment fan
14 : 냉동실 루버 15 : 냉기토출구14 freezer louver 15 cold air outlet
16 : 사절판 18,38 : 리턴덕트16: trimmer 18,38: return duct
20 : 제상히터 32 : 냉기공급덕트20: defrost heater 32: cold air supply duct
40 : 보조냉각기 42 : 측판40: subcooler 42: side plate
44 : 냉열저장판44: cold storage plate
상기 목적을 달성하기 위한 본 고안은, 냉장고에 있어서, 증발기의 상부에 양측판 사이로 다수개의 냉열저장판이 세로로 일정간격 배열된 보조냉각기를 고정설치한 것을 특징으로 한다.The present invention for achieving the above object, in the refrigerator, characterized in that a plurality of cold heat storage plate is installed between the two side plates in the upper portion of the evaporator fixed vertically arranged at a predetermined interval.
이하, 본 고안의 바람직한 실시예를 첨부된 도면에 의거하여 상세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention in detail as follows.
도 2는 본 고안에 따른 냉장고의 냉기순환구조를 개략적으로 나타낸 측단면도이고, 도 3은 본 고안에 따른 냉기발생장치의 구조를 도시한 사시도이다.Figure 2 is a side cross-sectional view schematically showing a cold air circulation structure of the refrigerator according to the present invention, Figure 3 is a perspective view showing the structure of the cold air generating device according to the present invention.
도 2에 도시된 바와 같이 본 고안의 냉기발생장치는 냉매의 순환에 의해 고내의 공기를 냉각시키는 증발기(10)와, 상기 증발기(10)의 하부에 증발기(10)에 낀 성에를 제거하기 위해 일정주기마다 작동되는 제상히터(20)와, 상기 증발기(10)의 상부에 설치된 보조냉각기(40)로 이루어져 있다.As shown in FIG. 2, the cold air generating device of the present invention includes an evaporator 10 for cooling air in a refrigerator by circulation of a refrigerant, and to remove frost trapped in the evaporator 10 in the lower part of the evaporator 10. It consists of a defrost heater 20, which is operated at regular intervals, and an auxiliary cooler 40 installed on the evaporator 10.
상기 보조냉각기(40)는 도 3에서와 같이 양측에 측판(42)이 구비되고, 그 사이로 냉열을 저장하는 냉열저장판(44)이 일정한 간격으로 세로로 배열 설치된 구조이다. 이때, 상기 보조냉각기(40)의 냉열저장판(44)은 빠른 시간내에 냉각되고 일단 냉각된 후에는 그 냉열을 장시간 보존할 수 있는 재질로 형성되는 것이 바람직하다.As shown in FIG. 3, the subcooler 40 is provided with side plates 42 on both sides thereof, and a cold heat storage plate 44 for storing cold heat therebetween is vertically arranged at regular intervals. At this time, the cold heat storage plate 44 of the sub-cooler 40 is preferably formed of a material capable of preserving the cold heat for a long time after being cooled in a short time.
이와 같이 증발기(10)의 상부에 보조냉각기(40)가 설치된 본 고안의 작용효과를 살펴보면 다음과 같다.As described above, looking at the effect of the present invention, the auxiliary cooler 40 is installed on the upper part of the evaporator 10.
도 2에 도시된 바와 같이 고내의 공기는 냉동실과 냉장실 사이에 형성된 리턴덕트(18)(38)를 통해 증발기(10)로 보내지게 되고, 증발기(10)를 통과하면서 냉각된 냉기는 증발기(10)의 상부에 설치된 보조냉각기(40)를 지나면서 보조냉각기(40)를 냉각시킨 후, 냉동실팬과 냉장실팬(12)에 의해 분리되어 일부는 냉동실루버(14)에 형성된 냉기 토출구(15)를 통해 냉동실로 공급되고, 다른 일부는 냉기공급덕트(32)를 통해 냉장실로 공급된다.As shown in FIG. 2, air in the refrigerator is sent to the evaporator 10 through return ducts 18 and 38 formed between the freezer compartment and the refrigerating compartment, and the cold air cooled while passing through the evaporator 10 is evaporator 10. After cooling the subcooler 40 while passing through the subcooler 40 installed at the top of the), the cold air outlet 15 formed in the freezing chamber 14 by being separated by the freezing chamber fan and the refrigerating chamber fan 12. Through the cold air supply duct 32 to the freezer compartment.
이와 같이 순환되는 고내의 공기는 종래의 냉장고와 마찬가지로 증발기(10)로 공급될 때, 많은 수분을 함유하고 있기 때문에 급격한 온도차에 의해 성에가 발생하게 되므로, 이를 제거해 주기 위해 일정주기마다 증발기(10)의 하부에 설치된 제상히터(20)가 작동하여 상기 성에를 제거한다. 이때, 증발기(10)에 낀 성에는 제거가 되지만 제상히터(20)가 열에 의해 증발기(10)의 온도가 높아지게 되므로 냉동실 및 냉장실팬(12)에 의해 고내의 공기가 증발기(10)로 순환되더라도 증발기(10)의 온도가 낮아질 때까지는 냉각 효율이 떨어지게 된다. 그렇기 때문에 순환되는 고내의 공기는 제대로 냉각되지 못한 상태로 증발기(10)를 지나게 된다.When the air in the circulated air is supplied to the evaporator 10 as in the conventional refrigerator, since the frost is generated by a sudden temperature difference because it contains a lot of water, the evaporator 10 at regular intervals to remove it. Defrost heater 20 installed in the lower portion of the operation to remove the frost. At this time, the debris in the evaporator 10 is removed, but the defrost heater 20 is heated to increase the temperature of the evaporator 10 by the heat, so even if the air in the refrigerator is circulated to the evaporator 10 by the freezer compartment and the refrigerating chamber fan 12. Cooling efficiency is lowered until the temperature of the evaporator 10 is lowered. Therefore, the air in the circulated air passes through the evaporator 10 without being properly cooled.
그러나, 증발기(10)가 정상가동될 때 냉각되었던 보조냉각기(40)가 증발기(10)의 상부에 설치되어 있으므로 증발기(10)에 의해 제대로 냉각되지 못한 고내의 공기가 보조냉각기(40)를 통과하면서 냉각되게 된다. 즉, 보조냉각기(40)가 제상히터(20)와 상당한 간격을 두고 설치되어 있으므로 제상히터(20)의 열에 영향을 받지 않을 뿐만 아니라 보조냉각기(40)를 이루고 있는 냉열저장판(44)이 보냉성재질이므로 보조냉각기(40)는 증발기(10)가 정상가동될 때 지니고 있던 온도와 비슷한 온도를 지니고 있게 된다.However, since the subcooler 40, which was cooled when the evaporator 10 is normally operated, is installed on the upper part of the evaporator 10, air in the chamber, which is not properly cooled by the evaporator 10, passes through the subcooler 40. It cools down. That is, since the subcooler 40 is installed at a considerable distance from the defrost heater 20, the subcooler 40 is not affected by the heat of the defrost heater 20, and the cold heat storage plate 44 constituting the subcooler 40 is insulated. Since the material is a subcooler 40 has a temperature similar to the temperature it had when the evaporator 10 is operating normally.
따라서, 증발기(10)에 의해 냉각되지 못한 고내의 공기가 다수개의 냉열저장판(44)으로 이루어진 보조냉각기(40)를 통과하면서 접촉되면서 냉각되게 된다. 이와 같은 작동은 증발기(10)가 요구되는 낮은 온도로 냉각되기까지 계속된다.Therefore, the air in the refrigerator, which is not cooled by the evaporator 10, is cooled while being contacted while passing through the subcooler 40 including the plurality of cold heat storage plates 44. This operation continues until the evaporator 10 cools to the required low temperature.
이상에서 살펴본 바와 같이 본 고안은 증발기(10)의 상부에 보조냉각기(40)를 설치함으로써, 증발기(10)에 낀 성에를 제거하기 위해 작동하는 제상히터(20)에 의해 온도가 높아지더라도 증발기(10)가 정상작동할 때 축적해 두었던 냉열을 가지고 있기 때문에 증발기(10)를 지나면서 냉각시키지 못한 고내의 공기를 효과적으로 냉각시킬 수 있게 된다. 따라서 냉장고의 냉기 효율을 상승시키게 된다.As described above, the present invention is provided with an auxiliary cooler 40 on the upper part of the evaporator 10, even if the temperature is increased by the defrost heater 20 that operates to remove the frost on the evaporator 10 (evaporator ( Since 10) has the cooling heat accumulated during the normal operation, it is possible to effectively cool the air in the refrigerator that cannot be cooled while passing through the evaporator 10. Therefore, the cold air efficiency of the refrigerator is increased.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960027769U KR19980014165U (en) | 1996-08-31 | 1996-08-31 | Cold air generator of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960027769U KR19980014165U (en) | 1996-08-31 | 1996-08-31 | Cold air generator of refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR19980014165U true KR19980014165U (en) | 1998-06-05 |
Family
ID=53974960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019960027769U KR19980014165U (en) | 1996-08-31 | 1996-08-31 | Cold air generator of refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR19980014165U (en) |
-
1996
- 1996-08-31 KR KR2019960027769U patent/KR19980014165U/en not_active Application Discontinuation
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