KR0133938Y1 - Defrosting apparatus of a refrigerator - Google Patents

Defrosting apparatus of a refrigerator Download PDF

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Publication number
KR0133938Y1
KR0133938Y1 KR2019940008461U KR19940008461U KR0133938Y1 KR 0133938 Y1 KR0133938 Y1 KR 0133938Y1 KR 2019940008461 U KR2019940008461 U KR 2019940008461U KR 19940008461 U KR19940008461 U KR 19940008461U KR 0133938 Y1 KR0133938 Y1 KR 0133938Y1
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KR
South Korea
Prior art keywords
evaporator
defrosting
refrigerator
cold air
frost
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KR2019940008461U
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Korean (ko)
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KR950031087U (en
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김성종
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전주범
대우전자주식회사
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Priority to KR2019940008461U priority Critical patent/KR0133938Y1/en
Publication of KR950031087U publication Critical patent/KR950031087U/en
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Publication of KR0133938Y1 publication Critical patent/KR0133938Y1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/002Defroster control
    • F25D21/006Defroster control with electronic control circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06Removing frost
    • F25D21/08Removing frost by electric heating

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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)
  • Defrosting Systems (AREA)

Abstract

본 고안은 냉장고내의 성에를 제상하는 냉장고의 제상장치에 관한 것으로서, 종래에는 규정된 시간마다 증발기 하부에 마련된 제상히터를 작동시켜 증발기에 착상된 성에를 제상하였던 바, 이와 같은 종래의 제상장치는 증발기에 성에의 착상량에 관계없이 제상히터가 작동하여 제상을 수행하기 때문에 착상량이 적을시에는 제상히터의 불필요한 작동으로 인하여 증발기의 냉각효율이 극히 저하되는 문제점이 있었다.The present invention relates to a defroster of a refrigerator for defrosting the frost in the refrigerator, and in the related art, a defroster formed on the evaporator is defrosted by operating a defrost heater provided under the evaporator every prescribed time. Since the defrosting heater operates to perform defrosting regardless of the amount of defrosting, the cooling efficiency of the evaporator is extremely reduced due to unnecessary operation of the defrosting heater.

본 고안은 종래의 이와 같은 문제점을 감안하여 안출한 것으로서, 고내를 순환한 냉기가 증발기로 유입되는 냉기순환통로에 착상수단과 무게감지수단을 구비하여 이에 쌓인 성에의 양을 감지한 후 규정된 착상량 이상이 되면 자동적으로 제상을 수행함으로써, 불필요한 제상시간을 극소화하여 증발기의 냉각효율을 향상시키는 한편, 증발기의 제상주기를 연장하여 에너지효율을 향상시키도록 한 것이다.The present invention has been devised in view of the above-mentioned problems, and is provided with a frosting means and a weight sensing means in a cold air circulation passage into which the cold air circulating in the evaporator flows into the evaporator, thereby detecting the amount of frost accumulated thereon. If the amount is more than the amount of automatic defrosting to minimize the unnecessary defrosting time to improve the cooling efficiency of the evaporator, while extending the defrosting period of the evaporator to improve the energy efficiency.

Description

냉장고의 제상장치Defroster of the refrigerator

제1도는 본 고안에 따른 냉장고의 요부 측단면도.1 is a side cross-sectional view of the main portion of the refrigerator according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 냉장고 10 : 냉장실1: refrigerator 10: refrigerator

11 : 냉장실냉기순환통로 20 : 냉동실11: cold room circulation passage 20: freezer

21 : 냉동실냉기순환통로 30 : 사절판21: freezing chamber circulation passage 30: trimming plate

31 : 착상판 32 : 저장홈31: implantation plate 32: storage groove

33 : 무게감지수단 40 : 증발기33: weight sensing means 40: evaporator

50 : 제상히터50: defrost heater

본 고안은 냉장고내의 증발기에 착상되는 성에를 제상하는 냉장고의 제상장치에 관한 것으로서, 보다 상세하게는 성에가 착상되는 정도에 따라 이를 감지하여 자동으로 제상할 수 있도록 한 냉장고의 제상장치에 관한 것이다.The present invention relates to a defroster of a refrigerator for defrosting frost to be implanted in the evaporator in the refrigerator, and more particularly, to a defroster for a refrigerator to detect and automatically defrost according to the degree of frost implantation.

주지된 바와 같이 고내를 순환하면서 열교환된 냉가가 냉기를 생성하는 증발기측으로 귀환되면서 증발기의 표면에 성에가 착상되어 증발기의 냉각효율을 저하시키게 되는데, 이를 방지할 목적으로 종래에는 제어부의 제어에 따라 규정된 시간마다 증발기 하부에 마련된 제상히터를 일정시간동안 작동시켜 증발기에 착상된 성에를 제상하였던 바, 이와 같은 종래의 제상장치는 증발기에 착상되는 성에의 양에 관계없이 제어부의 제어에 의해 설정된 시간마다 제상히터가 작동하여 제상을 수행하기 때문에 증발기에 성에의 착상량이 적을시에는 제상히터의 불필요한 작용으로 인하여 증발기의 냉각효율이 극히 저하되는 문제점이 있었다.As is well known, the heat exchanged as the circulating the inside of the evaporator is returned to the side of the evaporator that generates cold air, the frost is formed on the surface of the evaporator to reduce the cooling efficiency of the evaporator, for the purpose of preventing this, conventionally according to the control of the control unit The defrost heater formed on the evaporator was defrosted by operating the defrost heater provided in the lower part of the evaporator for a predetermined time every time. This conventional defrosting device is set every time set by the control of the controller regardless of the amount of frost formed on the evaporator. Since the defrost heater operates to perform defrosting, when the amount of frost on the evaporator is small, there is a problem that the cooling efficiency of the evaporator is extremely reduced due to unnecessary action of the defrost heater.

따라서 본 고안의 목적은 종래의 이와 같은 문제점을 감안하여 안출한 것으로서, 냉장실내를 순환한 냉기가 증발기로 유입보디는 냉장실냉기순환통로 후방에 착상수단과 무게감지수단을 형성하여 이에의해 쌓인 성에의 양을 감지한 후 기설정된 무게 이상의 성에양이 감지되면 제어부의 제어에 따라 자동적으로 제상을 수행함으로써, 불필요한 제상시간을 극소화하여 증발기의 냉각효율을 향상시키는 한편, 증발기의 제상주기를 연장하여 에너지효율을 향상시킨 냉장고의 제상장치를 제공함에 있다.Therefore, the object of the present invention was devised in view of such a problem in the prior art, by forming an implantation means and a weight sensing means at the rear of the refrigerating compartment cold air circulation passage where the cold air circulated in the refrigerating chamber into the evaporator formed by After detecting the quantity, if the amount of sex is more than the preset weight, the defrosting is automatically performed under the control of the controller, thereby minimizing unnecessary defrosting time, improving the cooling efficiency of the evaporator, and extending the defrosting period of the evaporator. It is to provide a defrosting device of the refrigerator improved.

이러한 목적을 달성하기 위하여 본 고안은 고내의 냉기가 증발기로 유입되는 사절판 내부의 중간지점에 제상모드시 제어부의 제어에 따라 발열가능한 착상판을 설치하여 냉동실냉기순환통로와 냉장실냉기순환통로를 분리구획하는 한편, 상기 증발기와 인접된 냉장실냉기순환통로의 후방 하면에 저장홈을 요홈형성한 후 상기 저장홈의 하부에 제어부와 전기적으로 연결되어 상기 저장홈내로 유입되어 쌓이는 성에의 무게를 감지하도록 한 무게감지수단을 형성설치하여서된 특징이 있다.In order to achieve this purpose, the present invention separates the freezer compartment cold circulation passage and the refrigerating compartment cold circulation passage by installing a heating plate capable of generating heat under the control of the control unit in the defrost mode at an intermediate point inside the trimming plate into which the cold air flows into the evaporator. On the other hand, the storage groove is formed in the rear lower surface of the refrigerating chamber cold air circulation passage adjacent to the evaporator and is electrically connected to the control unit at the lower portion of the storage groove to detect the weight of the frost accumulated in the storage groove. It is characterized by the installation of the weight sensing means.

이하, 본 고안의 바람직한 실시예를 첨부도면에 의거하여 상세히 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

제1도는 본 고안에 따른 냉장고의 요부 측단면도로서, 냉장고(1)의 냉장실(10) 및 냉동실(20)을 구분짓는 사절판(30) 내부, 즉 고내를 순환하고 난 냉기가 증발기(40)로 귀환되는 냉장실냉기순환통로(11)와 냉동실냉기순환통로(21)의 사이에 전원에 의해 발열되는 전도체인 착상판(31)을 고정설치하여 상하로 사절판(30)을 상하로 분리구획하여 형성함과 아울러, 냉장실(10)로부터 유입된 더워진 냉기가 상기 착상판(31)주위를 통과하면서 상기 착상판(1)에 성에가 착상되도록 하는 한편, 전술한 냉장실(10)의 냉기순환통로(11) 후방 하면에 횡방향으로 길다란 홈형상의 저장홈(32)을 요홈형성하여 상기 착상판(31)에 일정두께 부착되고 난 나머지의 성에가 냉동실 및 냉장실로부터 귀한되는 귀한냉기의 유입압력에 의헤 후방으로 밀려나가게 되어 상기 저장홈(32)내에 쌓이도록 하는 동시에 상기 저장홈(32) 하부에 무게감지수단(33)을 설치하여 상기 저장홈(32)에 성에가 적정량 쌓이면 이를 무게감지수단(33)이 감지하여 제어부의 제어에 따라 이와 근접 설치되어 있는 제상히터(50)와 착상판(31)에 전원을 인가하여 발열시킴으로써 제상을 수행하도록 하고, 상기 저장홈(32)의 후방적소를 배수로(12)를 형성하여 저장홈(32)에서 발생한 제상수가 상기 배수로(12)를 통해 외부로 배출되도록 한다.1 is a side cross-sectional view of a main part of a refrigerator according to the present invention, in which a cold air circulated inside a trimming plate 30 that separates the refrigerating chamber 10 and the freezing chamber 20 of the refrigerator 1 from the inside of the refrigerator evaporator 40. Between the refrigerating chamber cold air circulation passage 11 and the freezing chamber cold air circulation passage 21 returned to the fixed fixing plate 31, which is a conductor that is generated by the power source, and partitions the trimming plate 30 up and down separately. In addition, the hot air flowing from the refrigerating compartment (10) passes through the periphery of the plate (31) while allowing the frost to form on the plate (1), the cold air circulation passage of the above-mentioned refrigerating chamber (10) (11) In the rear lower surface, a groove-shaped storage groove 32 is formed in the transverse direction to form a groove to the inflow pressure of the noble cold air, which is attached to a predetermined thickness on the platen 31 and is precious from the freezer compartment and the refrigerating compartment. Is pushed backwards in the storage groove 32 At the same time, the weight sensing means 33 is installed in the lower portion of the storage groove 32 so that an appropriate amount of frost is accumulated in the storage groove 32. The defrosting heater 50 and the heating plate 31 are applied to generate heat to perform defrosting, and the rear place of the storage groove 32 forms a drainage path 12 to generate the agent generated in the storage groove 32. The constant is discharged to the outside through the drain 12.

위에서 설명한 제상장치는 본 고안의 한 가능한 실시예에 불과하며, 예컨대 냉장실(10)의 냉기순환통로(11)의 여러개소에 무게감지수단(33)이 각각 설치된 저장홈(32)을 복수개 설치하는 한편, 상기 착상판(31)에 요철부를 형성하여 성에의 착상면적을 넓게 하여도 무방하며, 또한 이들의 형상은 앞서 설명한 본 고안의 범위내에서 얼마든지 그 변형이 가능하다.The defrosting device described above is just one possible embodiment of the present invention, and for example, a plurality of storage grooves 32 each provided with a weight sensing means 33 are provided in several places of the cold air circulation passage 11 of the refrigerating chamber 10. On the other hand, it is also possible to form an uneven portion to the frosted plate 31 to increase the frosting area of the frost, and the shape thereof can be modified within the scope of the present invention described above.

그리고 상기 착상판(31)의 상측으로는 냉동실(20)측의 차가운 냉기가 귀환되고 그 하측으로는 냉장실(10)측의 상대적으로 고온의 냉기가 귀환됨으로 인해 냉동실냉기순환통로(21)에 성에가 많이 발생하는 것을 방지하기 위하여 착상판(31)의 상면, 즉 냉동실냉기순환통로(21) 하면에 단열부재를 설치하는 것도 바람직하다.In addition, since the cold cold air of the freezing chamber 20 side is returned to the upper side of the platen 31 and the relatively high temperature cold air of the refrigerating chamber 10 side is returned to the lower side, the freezing chamber cold air circulation passage 21 is frosted. In order to prevent the occurrence of a large number of heat insulating member is preferably provided on the upper surface of the plate 31, that is, the lower surface of the freezer compartment cooling passage (21).

이와같이 구성된 본 고안은 고내를 순환하고 냉장실 및 냉동실냉기순환통로(11), (21)로 유입된 냉장실(10) 및 냉동실(20)의 냉기가 급격한 온도차로 인하여 금속재인 착상판(31)의 상하면에 성에가 착상되어 쌓이게 되는데, 상기 착상판(31)에 일정두께 이상 성에가 착상되면 그 이후에 착상되는 성에는 결빙력이 약하기 때문에 상기 냉동실냉기순환통로(21) 및 냉장실냉기순환통로(11)를 통해 귀환되는 귀환냉기의 유입압력에 의해 표면층의 성에가 후측으로 쓸려가면서 후방의 저장홈(32)내에 쌓이게 되고, 상기 저장홈(32)의 하면에 설치된 무게감지수단(33)이 쌓여진 성에의 무게를 감지하고 있다가 기설정된 성에의 일정무게를 초과할 경우 냉장고(1)의 제어부(미도시)에 전기적 신호를 보내어 전술한 착상판(31)과 제상히터(50)에 전원을 인가하여 발열시킴으로써 착상판(31), 저장홈(32), 그리고 증발기(40)의 성에를 제상토록 하는 바, 종전과 같이 착상량에 관계없이 제상히터(50)를 작동시켜 냉각효율을 저하시키는 폐단을 방지함은 물론이고, 증발기(40)에 착상되는 성에의 양을 줄일 수 있도록 하여 제상주기를 알맞게 조절함으로써 에너지의 효율을 향상시킨 효과가 있다.The present invention constituted as described above has the upper and lower surfaces of the platen 31, which is a metal material, due to the rapid temperature difference between the refrigerating chamber 10 and the freezing chamber 20, which are introduced into the refrigerating chamber and the freezing chamber cold air circulation passages 11 and 21. When the frost is implanted in the frosted plate 31, the frost formed after the frost is weak because the freezing force is weak, so that the freezer compartment circulation passage 21 and the cold compartment circulation passage 11 The frost of the surface layer is swept to the rear side by the inflow pressure of the return cooling air returned through the frost, and is accumulated in the rear storage groove 32, and the weight sensing means 33 installed on the lower surface of the storage groove 32 is accumulated in the frost. When the weight is detected and the predetermined weight exceeds the predetermined frost, electric signals are sent to the control unit (not shown) of the refrigerator 1 to generate power by applying power to the above-described heating plate 31 and the defrost heater 50. Sikkim By defrosting the frost plate 31, the storage groove 32, and the evaporator 40, the defrost heater 50 is operated, regardless of the amount of implantation, as in the past, to prevent the closed end to lower the cooling efficiency. Of course, it is possible to reduce the amount of frost implanted on the evaporator 40 by adjusting the defrosting period accordingly has the effect of improving the efficiency of energy.

Claims (1)

고내의 냉기가 증발기(40)로 유입되는 사절판(30) 내부의 중간지점에 냉동실냉기순환통로(21)와 냉장실냉기순환통로(11)를 분리구획함과 아울러 제상모드시 제어부의 제어에 따라 발열가능하도록 된 착상판(31)을 설치하고, 상기 증발기(40)와 인접된 냉장실냉기순환통로(11)의 후방 하면에 저장홈(32)을 요홈형성한 후 상기 저장홈(32)의 하부에 제어부와 전기적으로 연결되어 상기 저장홈(32)내로 유입되어 쌓이는 성에의 무게를 감지하도록 한 무게감지수단(33)을 설치하여서 된 냉장고의 제상장치.According to the control of the control unit in the defrost mode, the freezer compartment cooling passage 21 and the refrigerating compartment cold passage circulation passage 11 are separately partitioned at an intermediate point inside the trimming plate 30 into which the cold air in the refrigerator flows into the evaporator 40. The installation plate 31 is formed to be heat-generating, and the storage groove 32 is formed in the rear lower surface of the refrigerating chamber cold air circulation passage 11 adjacent to the evaporator 40, and then the lower portion of the storage groove 32. The defrosting apparatus of the refrigerator, which is electrically connected to the control unit and is provided with a weight sensing means (33) for sensing the weight of the frost that flows into the storage groove (32).
KR2019940008461U 1994-04-21 1994-04-21 Defrosting apparatus of a refrigerator KR0133938Y1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101396581B1 (en) * 2008-05-15 2014-05-20 동부대우전자 주식회사 Control Device and Method for Defrosting of Refrigerator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101396581B1 (en) * 2008-05-15 2014-05-20 동부대우전자 주식회사 Control Device and Method for Defrosting of Refrigerator

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