KR940011916A - Defrosting method of refrigerator and its device - Google Patents

Defrosting method of refrigerator and its device Download PDF

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Publication number
KR940011916A
KR940011916A KR1019920021110A KR920021110A KR940011916A KR 940011916 A KR940011916 A KR 940011916A KR 1019920021110 A KR1019920021110 A KR 1019920021110A KR 920021110 A KR920021110 A KR 920021110A KR 940011916 A KR940011916 A KR 940011916A
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KR
South Korea
Prior art keywords
pipe resistance
value
measured
difference
refrigerator
Prior art date
Application number
KR1019920021110A
Other languages
Korean (ko)
Other versions
KR0120536B1 (en
Inventor
이상기
박정수
Original Assignee
윤종용
삼성전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 윤종용, 삼성전자 주식회사 filed Critical 윤종용
Priority to KR1019920021110A priority Critical patent/KR0120536B1/en
Publication of KR940011916A publication Critical patent/KR940011916A/en
Application granted granted Critical
Publication of KR0120536B1 publication Critical patent/KR0120536B1/en

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Classifications

    • 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
    • F25D21/002—Defroster control
    • F25D21/006—Defroster control with electronic control circuits
    • 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
    • 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

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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 발명은 냉장고의 성에제거방법 및 그 장치에 관한 것이다.The present invention relates to a defrosting method of a refrigerator and an apparatus thereof.

본 발명은, 증발기에 응결된 성에로 인해 변화되는 덕트의 관로저항의 중가값을 측정하는 단계와, 상기 측정된 관로저항의 증가값과 미리 설정된 관로저항의 허용 중가값을 비교하는 단계와, 측정된 관로저항의 증가값이 상기 허용 중가값보다 크면 히이터를 작동시켜 성에를 제거하고, 측정된 관로저항의 증가값이 상기 허용증가값보다 작으면 상기 측정단계로 복귀하는 단계를 포함하는 냉장고의 성에제거방법과 이를 실시하기에 적합한 장치를 제공하는데 그 특징이 있다. 따라서 냉각효율이 향상되고, 전력소비를 줄일 수 있게 된다.The present invention comprises the steps of measuring the weighted value of the pipe resistance of the duct that is changed due to frost condensation on the evaporator, comparing the measured increase value of the pipe resistance and the allowable weighted value of the predetermined pipe resistance, and measuring If the increased value of the pipe resistance is greater than the allowable weighted value, the heater is operated to remove the frost, and if the measured value of the pipe resistance is less than the allowable increase, returning to the measuring step, the frost of the refrigerator It is a feature of the present invention to provide a method of removal and a device suitable for carrying out the same. Therefore, cooling efficiency can be improved and power consumption can be reduced.

Description

냉장고의 성에제거방법 및 그 장치Defrosting method of refrigerator and its device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명이 적용된 냉장고를 도시한 개략도,1 is a schematic view showing a refrigerator to which the present invention is applied;

제2도는 증발기의 내부에 성에가 응결된 상태를 도시한 일부발췌측면도,2 is a partial side view showing the frost condensation inside the evaporator,

제3도는 본발명에 따른 냉장고의 성에제거장치의 회로도,3 is a circuit diagram of the defroster of the refrigerator according to the present invention,

제4도는 관로저항의 변화에 따른 압력차와 유량과의 관계를 도시한 특성도,4 is a characteristic diagram showing the relationship between the pressure difference and the flow rate according to the change in the pipe resistance,

제5도는 압력센서를 사용하는 경우의 성에제거제어 순서도,5 is a defrost control flow chart when using a pressure sensor,

제6도는 속도센서를 사용하는 경우의 성에제거제어 순서도.6 is a defrost control flowchart when using a speed sensor.

Claims (6)

증발기에 응결된 성에를 제거하는 냉장고의 성에제거방법에 있어서, 상기 증발기에 응결된 성에로인해 변화되는 덕트의 관로저항의 증가값을 측정하는 단계와, 상기 측정된 관로저항의 증가값과 미리 설정된 관로저항의 허용 증가값을 비교하는 단계와, 측정된 관로저항의 증가값이 상기 허용 증가값 보다 크면 히이터를 작동시켜성에를 제거하고, 측정된 관로저항의 증가값이 상기 허용 증가값 보다 작으면 상기 측정단계로 복귀하는 단계를 포함하여 된 것을 특징으로 하는 냉장고의 성에제거방법.In the defrosting method of the refrigerator to remove the frost condensation in the evaporator, measuring the increase value of the pipe resistance of the duct that is changed due to the frost condensation in the evaporator, the increase value of the measured pipe resistance and the preset Comparing the allowable increase value of the pipe resistance, and if the measured increase of the pipe resistance is greater than the allowable increase value, the heater is operated to remove the frost, and if the measured increase in the pipe resistance is less than the allowable increase value, Defrosting method of the refrigerator comprising the step of returning to the measuring step. 제1항에 있어서, 상기 관로저항 측정단계에서 상기 관로저항 증가값이 상기 덕트의 공기 흡입구와 공기 토출구에서 각각 측정된 압력의 차이로서 나타내어지는 것을 특징으로 하는 냉장고의 성에제거방법.The method of claim 1, wherein, in the pipe resistance measuring step, the pipe resistance increase value is represented as a difference between pressures measured at air inlets and air outlets of the duct, respectively. 제1항에 있어서, 상기 관로저항 측정단계에서 상기 관로저항 증가값이 상기 덕트의 공기 흡입구와 공기 토출구에서 각각 측정된 속도의 차이로서 나타내어지는 것을 특징으로 하는 냉장고의 성에제거방법.The method of claim 1, wherein, in the pipe resistance measuring step, the pipe resistance increase value is represented as a difference between the speeds measured at the air inlet and the air outlet of the duct, respectively. 증발기에 응결된 성에를 제거하는 장치에 있어서, 상기 증발기가 내장되는 덕트의 공기 흡입구와 공기 토출구에 각각 설치되며 증발기에 응결된 성에로 인해 변화되는 관로저항의 특성치를 측정하는 제1, 제2측정수단과, 상기 제1, 제2측정수단에 의해 각각 측정된 두 특성치간의 차이를 연산하는 차동증폭기와, 상기 차동증폭기에 의해 연산된 두 특성치간의 차이를 미리 설정된 허용 관로저항값을 나타내는 기준전위와 비교하는 비교기와, 상기 두 특성치간의 차이가 상기 기준전위보다 높으면 히이터에 전원을 공급하고 작으면 히이터로 공급되는 전원을 차단하는 스위 칭소자를 구비하여 된 것은 특징으로 하는 냉장고의 성에제거장치.An apparatus for removing frost condensed in an evaporator, wherein the first and second measurements are provided at air inlets and air outlets of a duct in which the evaporator is built, and measure characteristic values of a pipe resistance changed due to frost condensed in the evaporator. Means and a differential amplifier for calculating a difference between the two characteristic values measured by the first and second measuring means, respectively; and a reference potential indicating a predetermined allowable pipe resistance value, the difference between the two characteristic values calculated by the differential amplifier; And a switching element for supplying power to the heater when the difference between the two characteristic values is higher than the reference potential and for cutting off the power supplied to the heater if the difference between the two characteristic values is higher than the reference potential. 제4항에 있어서, 상기 제1및 제2측정수단이. 각각 압력센서로 구성되어 상기특성치가 압력을 나타내는 값인 것을 특징으로 하는 냉장고의 성에제거장치.5. The method of claim 4 wherein said first and second measuring means. Defroster of the refrigerator, characterized in that each of the pressure sensor is characterized in that the characteristic value is a value indicating the pressure. 제4항에 있어서, 상기 제1 및 제2측정수단이, 각각 속도센서로 구성되어 상기 특성치가 속도를 나타내는 값인 것을 특징으로 하는 냉장고의 성에제거장치.5. The defrosting apparatus of the refrigerator according to claim 4, wherein the first and second measuring means each comprise a speed sensor and the characteristic value indicates a speed. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920021110A 1992-11-11 1992-11-11 Method & apparatus for frost removal of a refrigerator KR0120536B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920021110A KR0120536B1 (en) 1992-11-11 1992-11-11 Method & apparatus for frost removal of a refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920021110A KR0120536B1 (en) 1992-11-11 1992-11-11 Method & apparatus for frost removal of a refrigerator

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KR940011916A true KR940011916A (en) 1994-06-22
KR0120536B1 KR0120536B1 (en) 1997-10-22

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KR1019920021110A KR0120536B1 (en) 1992-11-11 1992-11-11 Method & apparatus for frost removal of a refrigerator

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108885049A (en) * 2016-01-29 2018-11-23 Lg电子株式会社 Refrigerator
CN111771093A (en) * 2018-03-08 2020-10-13 Lg电子株式会社 Refrigerator with a door
CN113720078A (en) * 2016-11-10 2021-11-30 Lg电子株式会社 Refrigerator and control method thereof

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180052284A (en) 2016-11-10 2018-05-18 엘지전자 주식회사 Refrigerator and Controlling method for the same
KR20180052994A (en) * 2016-11-11 2018-05-21 엘지전자 주식회사 Refrigerator and Controlling method for the same
KR20180101781A (en) * 2017-03-06 2018-09-14 엘지전자 주식회사 an outdoor unit of an air conditioner
KR102572457B1 (en) 2018-02-26 2023-08-30 엘지전자 주식회사 Refrigerator and Controlling method for the same

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108885049A (en) * 2016-01-29 2018-11-23 Lg电子株式会社 Refrigerator
US20190072310A1 (en) * 2016-01-29 2019-03-07 Lg Electronics Inc. Refrigerator
CN108885049B (en) * 2016-01-29 2021-07-06 Lg电子株式会社 Refrigerator with a door
US11079162B2 (en) 2016-01-29 2021-08-03 Lg Electronics Inc. Refrigerator
CN113357865A (en) * 2016-01-29 2021-09-07 Lg电子株式会社 Refrigerator with a door
CN113720078A (en) * 2016-11-10 2021-11-30 Lg电子株式会社 Refrigerator and control method thereof
CN113720078B (en) * 2016-11-10 2023-07-25 Lg电子株式会社 Refrigerator and control method thereof
US11940200B2 (en) 2016-11-10 2024-03-26 Lg Electronics Inc. Refrigerator and control method of refrigerator
CN111771093A (en) * 2018-03-08 2020-10-13 Lg电子株式会社 Refrigerator with a door
US11530866B2 (en) 2018-03-08 2022-12-20 Lg Electronics Inc. Refrigerator

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KR0120536B1 (en) 1997-10-22

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