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KR20080055254A - A control method for refrigerator - Google Patents

A control method for refrigerator Download PDF

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Publication number
KR20080055254A
KR20080055254A KR1020060128310A KR20060128310A KR20080055254A KR 20080055254 A KR20080055254 A KR 20080055254A KR 1020060128310 A KR1020060128310 A KR 1020060128310A KR 20060128310 A KR20060128310 A KR 20060128310A KR 20080055254 A KR20080055254 A KR 20080055254A
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KR
South Korea
Prior art keywords
damper
compressor
refrigerator
fan
compartment
Prior art date
Application number
KR1020060128310A
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Korean (ko)
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KR101290448B1 (en
Inventor
서상욱
Original Assignee
엘지전자 주식회사
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Priority to KR1020060128310A priority Critical patent/KR101290448B1/en
Publication of KR20080055254A publication Critical patent/KR20080055254A/en
Application granted granted Critical
Publication of KR101290448B1 publication Critical patent/KR101290448B1/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
    • F25D29/00Arrangement or mounting of control or safety devices
    • 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
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042Air treating means within refrigerated spaces
    • F25D17/045Air flow control arrangements
    • 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
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • 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
    • 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
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2309/00Gas cycle refrigeration machines
    • F25B2309/001Gas cycle refrigeration machines with a linear configuration or a linear motor
    • 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
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00Control issues
    • F25B2600/23Time delays
    • 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
    • F25D2400/00General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/28Quick cooling
    • 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
    • F25D2600/00Control issues
    • F25D2600/02Timing

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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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

A method for controlling a refrigerator is provided to prevent foods from turning sour due to the variation of the temperature by opening a damper after passing a set time from a driving point of a fan. A method for controlling a refrigerator comprises the steps of: driving a compressor after completing the defrosting operation; driving a fan for blowing cooling air; and opening a damper for guiding the cooling air blown by the fan to a refrigerator compartment. The fan and damper are operated by using the difference of time. The damper is placed at a barrier dividing the refrigerator compartment into a freezer compartment. The damper is opened after passing a set time from a driving point of the fan. The compressor is a linear compressor. A cooling fan is operated and the damper in the refrigerator compartment is opened at different timing during a normal cycle after completing the defrosting operation.

Description

냉장고의 제어방법{A control method for refrigerator}A control method for refrigerator

도 1 은 일반적인 냉장고의 냉동사이클을 보이기 위한 도면.1 is a view for showing a refrigeration cycle of a typical refrigerator.

도 2 는 종래 기술에 의한 제상운전 이후 정상상태에 이르기까지 압축기와 냉각팬 및 댐퍼의 클럭 발생순서를 도시한 타이밍차트FIG. 2 is a timing chart showing a clock generation sequence of a compressor, a cooling fan, and a damper after the defrosting operation according to the related art.

도 3 은 본 발명에 의한 냉장고의 냉기순환 경로를 도시한 도면.3 is a view showing a cold air circulation path of the refrigerator according to the present invention.

도 4 는 본 발명에 의한 냉장고의 제어방법에 따른 제상운전 이후 정상상태에 이르기까지 압축기와 냉각팬 및 댐퍼의 클럭 발생순서를 도시한 타이밍 차트.4 is a timing chart showing a clock generation sequence of the compressor, the cooling fan, and the damper from the defrosting operation to the normal state according to the control method of the refrigerator according to the present invention.

도 5 는 본 발명에 의한 냉장고의 제어방법에 따른 순서도.5 is a flow chart according to the control method of the refrigerator according to the present invention.

* 도면의 주요부분에 관한 부호의 설명** Explanation of symbols on main parts of drawings *

1....... 냉장고 10...... 냉동실1 ....... Refrigerator 10 ...... Freezer

20...... 냉장실 30...... 기계실20 ...... Fridge 30 ...... Machine Room

40...... 본체 42...... 배리어40 ...... body 42 ...... barrier

100..... 압축기 200..... 증발기100 ..... Compressor 200 ..... Evaporator

400..... 팬 420..... 팬모터400 ..... fan 420 ..... fan motor

500..... 제상히터 600..... 댐퍼500 ..... Defrost heater 600 ..... Damper

본 발명은 냉장고의 제어방법에 관한 것으로, 보다 상세하게는 제상운전단계와 압축기 구동단계, 제상운전단계와 냉각팬 구동단계, 제상운전단계와 댐퍼구동단계 사이에 서로 다른 동작지연시간을 부여하고, 압축기 구동단계, 냉각팬 구동단계, 댐퍼구동단계 순서로 지연시간이 증가되도록 하여 고내(庫內)의 온도상승을 방지하는 냉장고의 제어방법에 관한 것이다.The present invention relates to a control method of a refrigerator, and more particularly, to provide a different operation delay time between a defrosting operation stage and a compressor driving stage, a defrosting operation stage and a cooling fan driving stage, a defrosting operation stage and a damper driving stage, The present invention relates to a control method of a refrigerator for preventing a temperature rise in a refrigerator by increasing a delay time in a compressor driving step, a cooling fan driving step, and a damper driving step.

일반적으로 냉각이란 특정공간의 온도를 주위보다 낮은 온도로 유지하는 조작이며, 이를 수행하기 위해서는 단열된 공간과 열을 흡수하기 위한 열매체(熱媒體) 및 냉매의 상변화(相變化) 조작을 위한 순환회로(압축-응축-팽창-증발)가 필요하다.In general, cooling is an operation to maintain the temperature of a specific space at a lower temperature than the surroundings, and in order to perform this operation, a circulation is performed for a phase change operation of a heat medium and a refrigerant to absorb heat and an insulated space. Circuitry (compression-condensation-expansion-evaporation) is required.

도 1 은 일반적인 냉장고의 냉동사이클을 보이기 위한 도면으로, 그 구성은 냉장고 고내(庫內)를 순환한 냉기가 응축되기 쉽도록 냉매증기를 압축하여 압력을 높이는 압축기와, 상기 압축기에서 고온, 고압이 된 냉매증기를 냉각액화 시키는 응축기, 그리고, 상기 응축기를 통과한 냉매의 유량을 조절하여 증발기로 공급하는 팽창밸브 및 상기 팽창밸브를 통해 냉매액을 공급받아 주위 공기와 열교환 작용을 통해 냉기를 생성하는 증발기로 이루어진다. 1 is a view for showing a refrigeration cycle of a typical refrigerator, the configuration is a compressor for increasing the pressure by compressing the refrigerant vapor so that the cold air circulated in the refrigerator easy to condense, and the high temperature, high pressure in the compressor A condenser for cooling the refrigerant vapor, and an expansion valve for controlling the flow rate of the refrigerant passing through the condenser and supplying it to the evaporator, and receiving the refrigerant liquid through the expansion valve to generate cold air through heat exchange with ambient air. Consists of an evaporator.

상기와 같은 구성으로 이루어지는 냉장고는 전술한 바와 같이 냉매의 상변화를 이용하여 냉기를 생성하고, 이러한 냉기를 냉각팬을 통하여 냉동실 및 냉장실로 이송시켜 저장물을 저온저장 가능하게 된다.As described above, the refrigerator having the above-described configuration generates cold air by using the phase change of the refrigerant, and transfers the cold air to the freezer compartment and the refrigerating compartment through the cooling fan, thereby enabling the storage of the stored product at low temperature.

그리고, 상기 냉장실에는 상기 냉동실의 냉기가 유입되는 것을 선택적으로 차폐하는 댐퍼가 구비되어 개폐동작을 통해 냉장실로 유입되는 냉기를 제어한다. 즉, 상기 증발기에서 생성된 냉기는, 냉동실을 경유한 뒤 냉장실을 순환하도록 안내된다.In addition, the refrigerating chamber is provided with a damper for selectively shielding the inflow of cold air from the freezer compartment to control the cold air flowing into the refrigerating chamber through the opening and closing operation. That is, the cold air generated by the evaporator is guided to circulate the refrigerating compartment after passing through the freezing compartment.

한편, 냉기를 생성하는 상기 증발기에는 외부의 습증기가 유입되어 성애가 착상된다.On the other hand, the wet steam is introduced into the evaporator for generating cold air is the frost is implanted.

이러한 성애는 냉기유로를 차폐하여 냉각효율을 감소시키므로 제거해 줘야 하는데, 이를 위하여 상기 증발기에는 열 발산 작용에 의해 착상된 성애를 제거하는 제상히터가 연결된다.This defrost should be removed because it reduces the cooling efficiency by shielding the cold air flow path, for this purpose, the defrost heater is connected to the evaporator to remove the defrost formed by the heat dissipation action.

상기 제상히터에 의해 성애가 제거되면, 상기 증발기 주변의 온도가 상승하게 되고, 이렇게 상승된 증발기 주변온도는 압축기에 의해 재압축되는 냉매의 순환을 통해 냉각된다.When the defrost is removed by the defrost heater, the temperature around the evaporator is raised, and the elevated temperature of the evaporator is cooled by circulation of the refrigerant recompressed by the compressor.

그러나, 종래 기술에 의한 압축기는 회전운동을 직선운동으로 변환하는 리시프로(Recipro) 압축기로 기동토크로 인하여 제상 이후 바로 냉매를 압축하기 위한 동작을 수행하지 못하고 일정시간의 지연시간을 가지게 된다.However, the compressor according to the related art does not perform an operation for compressing a refrigerant immediately after defrosting due to a starting torque as a Recipro compressor which converts a rotational motion into a linear motion and has a delay time.

이하에서는 상기와 같은 종래 기술에 의한 압축기의 특성에 의하여 제상운전 이후 정상상태에 이르기까지 압축기와 냉각팬 및 댐퍼의 작동관계를 첨부된 도면을 참조하여 설명하기로 한다.Hereinafter, the operational relationship between the compressor, the cooling fan, and the damper from the defrosting operation to the normal state by the characteristics of the conventional compressor as described above will be described with reference to the accompanying drawings.

도 2 는 종래 기술에 의한 제상운전 이후 정상상태에 이르기까지 압축기와 냉각팬 및 댐퍼의 클럭 발생순서를 도시한 타이밍차트이다. FIG. 2 is a timing chart showing a clock generation sequence of a compressor, a cooling fan, and a damper after the defrosting operation according to the related art.

도면에 도시된 바에 의하면, 제상히터의 구동을 위한 클럭신호가 발생하고 7 분의 지연시간이 경과한 뒤 상기 압축기가 구동된다. As shown in the figure, the clock signal for driving the defrost heater is generated and the compressor is driven after a delay time of 7 minutes.

이는 전술한 바와 같이 압축기의 구동에 필요한 기동토크로 인하여 압축기의 스타팅동작이 지연됨으로 인한 것으로, 이 기간 동안에는 상기 냉각팬의 동작이 정지되고 댐퍼가 차폐되어 냉동실 및 냉장실을 순환하는 공기의 흐름이 발생하지 않게 된다.This is because the starting operation of the compressor is delayed due to the starting torque required for driving the compressor as described above. During this period, the operation of the cooling fan is stopped and the damper is shielded to generate a flow of air circulating in the freezer compartment and the refrigerating compartment. You will not.

그리고, 상기 제상히터의 구동을 위한 클럭신호가 발생하고 12분의 지연시간즉, 상기 압축기 구동이후 5분이 경과한 뒤 상기 냉각팬이 구동되고 이와 동시에 상기 댐퍼가 개방됨으로써, 냉매와 열교환된 공기가 순환하게 되어 정상상태에 이르게 된다.In addition, a clock signal for driving the defrost heater is generated and a delay time of 12 minutes, that is, 5 minutes after the compressor is driven, the cooling fan is driven, and at the same time, the damper is opened. Circulation leads to steady state.

그러나, 상기와 같은 종래 기술에는 다음과 같은 문제점이 있다.However, the above conventional technologies have the following problems.

종래 기술에 의한 냉장고의 제어방법에서는 냉각팬의 구동과 동시에 댐퍼가 개방된다. 또한, 상기 압축기의 동작을 위한 기동토크로 인하여 7분간의 지연시간이 소모되고, 압축기 동작 이후 5분의 지연시간 뒤에 냉각팬이 구동된다. In the control method of the refrigerator according to the prior art, the damper is opened simultaneously with driving of the cooling fan. In addition, a 7 minute delay is consumed due to the starting torque for the operation of the compressor, and the cooling fan is driven after a 5 minute delay after the compressor operation.

따라서, 상기 압축기가 냉매를 충분히 압축시키지 못한 상태에서 열교환된 공기가 상기 냉각팬에 의해 냉동실로 강제이송되고, 기존에 냉동실에 충만했던 냉기는 댐퍼가 개방됨으로 인하여 냉장실로 빠져나가게 되므로 냉동실의 온도가 상승하게 되는 문제점이 있다. Therefore, the heat-exchanged air is forced to the freezer compartment by the cooling fan while the compressor does not sufficiently compress the refrigerant, and the cold air, which has been filled in the freezer compartment, is released into the refrigerating compartment because the damper is opened, so that the temperature of the freezer compartment is increased. There is a problem that rises.

그리고, 상기와 같이 냉동실의 온도가 상승함으로 인하여 냉동실에 저장되어 있던 저장물의 온도가 상승하게 되어 저장물의 변질이 야기될 수 있는 문제점이 있다.As the temperature of the freezer compartment rises as described above, the temperature of the stock stored in the freezer compartment may increase, causing deterioration of the stock.

또한, 상기와 같이 저장물의 변질이 야기됨으로 인하여 소비자가 제품에 대한 불만을 가지게 되는 문제점이 있다.In addition, there is a problem that the consumer has a complaint about the product due to the deterioration of the storage as described above.

상기와 같은 종래 기술의 문제점을 해결하기 위하여 창안된 본 발명의 목적은, 제상운전 완료 후 냉각팬의 운전과 냉장실 댐퍼의 개방조작 사이에 소정의 지연시간이 부가되도록 하는 냉장고의 제어방법을 제공하는 것이다.SUMMARY OF THE INVENTION An object of the present invention, which was devised to solve the problems of the prior art, is to provide a control method of a refrigerator such that a predetermined delay time is added between operation of a cooling fan and opening of a refrigerator compartment damper after completion of defrosting operation. will be.

본 발명의 다른 목적은, 압축기 구동이후 소정시간 이후에 냉각팬이 구동되는 냉자고의 제어방법을 제공하는 것이다.Another object of the present invention is to provide a method for controlling a cold height in which a cooling fan is driven after a predetermined time after driving a compressor.

본 발명의 다른 목적은, 리니어 압축기(Linear Comp.)를 사용함으로써 제상운전 이후 압축기의 기동토크로 인한 지연시간이 감소되도록 하는 냉장고의 제어방법을 제공하는 것이다.Another object of the present invention is to provide a control method of a refrigerator in which a delay time due to starting torque of the compressor after defrosting operation is reduced by using a linear compressor.

상기와 같은 목적을 달성하기 위한 본 발명에 의한 냉장고의 제어방법은, 제상운전 완료 후 압축기가 구동하는 단계, 냉기를 송풍하는 팬이 구동하는 단계 및 상기 팬에 의하여 송풍되는 냉기가 냉장실로 안내되도록 하는 댐퍼가 개방되는 단계가 포함되고, 상기 팬과 댐퍼는 시간차를 두고 작동하는 것을 특징으로 한다.The control method of the refrigerator according to the present invention for achieving the above object, the step of driving the compressor after completion of the defrosting operation, the step of driving the fan for blowing cold air and the cold air blown by the fan is guided to the refrigerating chamber. The damper is included in the step of opening, characterized in that the fan and the damper is operated with a time difference.

상기 댐퍼는 냉장실과 냉동실을 구획하는 배리어에 제공되는 것을 특징으로 한다.The damper is characterized in that it is provided in the barrier partitioning the refrigerating compartment and the freezing compartment.

상기 댐퍼는 상기 팬의 구동 시점으로부터 설정 시간이 경과된 뒤에 개방되는 것을 특징으로 한다.The damper may be opened after a set time elapses from the driving time of the fan.

상기 압축기는 리니어 컴프레서인 것을 특징으로 한다.The compressor is characterized in that the linear compressor.

제상 운전 완료 후 정상 사이클이 수행되는 과정에서, 냉각팬의 운전과 냉장실 댐퍼의 개방이 서로 다른 시점에서 수행되는 것을 특징으로 한다.After the defrosting operation is completed, the normal cycle is performed, and the operation of the cooling fan and the opening of the refrigerator compartment damper are performed at different points of time.

이와 같은 특징을 가지는 본 발명에 의하면 냉동실의 고내(庫內) 온도 상승이 방지되며 소비전력을 개선할 수 있는 이점이 있다.According to the present invention having such a feature there is an advantage that can prevent the rise of the internal temperature of the freezer compartment and improve the power consumption.

도 3 은 본 발명에 의한 냉장고의 냉기순환 경로를 도시한 도면이다.3 is a view showing a cold air circulation path of the refrigerator according to the present invention.

도면에 도시된 바에 의하면, 본 발명에 의한 냉장고(1)는 배리어(42)에 의해 내부공간이 상하로 구획되어, 상부에는 음식물을 냉동저장하는 냉동실(10)이 형성되고, 하부에는 음식물을 냉장저장하는 냉장실(20)이 형성되는 본체(40)에 의해 기본 골격이 형성된다. As shown in the drawings, the refrigerator 1 according to the present invention has an internal space divided up and down by a barrier 42, and a freezer compartment 10 for freezing and storing food is formed at the upper portion, and refrigerated food is at the lower portion. The basic skeleton is formed by the main body 40 in which the refrigerating chamber 20 to be stored is formed.

그리고, 상기 본체(40)에는 회동가능하게 장착되어 상기 냉동실(10)의 전방을 차폐하는 냉동실도어(12)와, 상기 냉장실(20)의 전방을 차폐하는 냉장실도어(22)가 구비되며, 하측에는 기계실(30)이 형성된다.In addition, the main body 40 includes a freezing chamber door 12 rotatably mounted to shield the front of the freezing compartment 10 and a refrigerating chamber door 22 for shielding the front side of the refrigerating compartment 20. In the machine room 30 is formed.

상기 기계실(30)에는 전술한 압축기(100)와 응축기(미도시) 및 팽창밸브(미도시)가 구비되어 상기 증발기(200)에서 열교환될 냉매를 공급하게 된다. The machine room 30 is provided with the aforementioned compressor 100, a condenser (not shown) and an expansion valve (not shown) to supply the refrigerant to be heat exchanged in the evaporator 200.

상기 냉동실(10) 및 냉장실(20)의 내부공간에는 냉동실선반(14) 및 냉장실선반(24)이 더 구비되어 음식물을 구획하여 보관할 수 있도록 한다.In the internal space of the freezer compartment 10 and the refrigerating compartment 20, a freezer compartment 14 and a refrigerator compartment shelf 24 are further provided to partition and store food.

그리고, 상기 냉동실(10)과 냉장실(20)을 구획하는 배리어(42)의 내측에는 냉기가 유동하는 공간이 형성되고, 이러한 공간에는 전술한 증발기(200)가 구비된다.In addition, a space in which cold air flows is formed inside the barrier 42 partitioning the freezing compartment 10 and the refrigerating compartment 20, and the above-described evaporator 200 is provided in the space.

상기 냉기의 유동공간에는 상기 증발기(200)에서 생성된 냉기를 상기 냉동실(10)로 강제이송시키는 팬(400)이 팬모터(420)와 연결되어 팬모터(420)의 회전속도에 따라 상기 냉동실(10)로 토출되는 냉기량을 조절한다.In the flow space of the cold air is a fan 400 for forcibly transporting the cold air generated in the evaporator 200 to the freezing chamber 10 is connected to the fan motor 420 is connected to the freezing chamber according to the rotational speed of the fan motor 420 The amount of cold air discharged to (10) is adjusted.

그리고, 상기 증발기(200)의 주변에는 상기 증발기(200)에 착상된 성애를 제거하기 위한 제상운전시에만 발열하는 제상히터(500)가 더 구비된다.The defrost heater 500 is further provided around the evaporator 200 to generate heat only during the defrosting operation for removing the defrost formed on the evaporator 200.

한편, 상기 배리어(42)에는 상기 냉동실(10)을 순환한 냉기가 상기 냉장실(20)로 유입되는 것을 선택적으로 차단하는 댐퍼(600)가 더 구비된다.On the other hand, the barrier 42 is further provided with a damper 600 for selectively blocking the cold air circulated in the freezer compartment 10 flowing into the refrigerating compartment 20.

상기 댐퍼(600)는 도시되지는 않았지만 써모댐퍼(미도시)와 연결되며, 냉장실(20)의 온도를 감지하여 냉장실의 냉기 순환량을 통제한다. 즉, 상기 써모댐퍼(미도시)에서 상기 냉장실(20)의 온도가 높아진 것을 감지하게 되면, 상기 댐퍼(600)가 개방되어 냉기를 상기 냉장실(20) 내부로 유입되도록 한다.Although not shown, the damper 600 is connected to a thermo damper (not shown), and senses the temperature of the refrigerating chamber 20 to control the amount of cold air circulation in the refrigerating chamber. That is, when the thermo damper (not shown) detects that the temperature of the refrigerating chamber 20 is increased, the damper 600 is opened to allow cool air to flow into the refrigerating chamber 20.

이하에서는 상기와 같이 구성되는 본 발명에 의한 냉장고의 제어방법에 대해 도면을 참조하여 상세히 설명한다.Hereinafter, a control method of a refrigerator according to the present invention configured as described above will be described in detail with reference to the accompanying drawings.

도 4 는 본 발명에 의한 냉장고의 제어방법에 따른 제상운전 이후 정상상태에 이르기까지 압축기와 냉각팬 및 댐퍼의 클럭 발생순서를 도시한 타이밍 차트이다. 4 is a timing chart illustrating a clock generation sequence of a compressor, a cooling fan, and a damper after the defrosting operation according to the method for controlling a refrigerator according to the present invention to a normal state.

도면에 도시된 바에 의하면, 본 발명에 의한 냉장고의 제어방법에서는, 제상히터의 구동완료 이후 3분의 지연시간이 지난 뒤 압축기가 구동된다.As shown in the figure, in the control method of the refrigerator according to the present invention, the compressor is driven after a delay time of 3 minutes after the completion of the drive of the defrost heater.

그리고, 상기 제상히터의 구동완료 이후 10분의 지연시간이 지난 뒤 냉각팬이 구동된다. 즉, 상기 압축기가 구동된 뒤 7분간의 지연시간 이후에 냉각팬이 구 동된다. The cooling fan is driven after a delay of 10 minutes after the defrosting heater is driven. That is, the cooling fan is driven after a delay of 7 minutes after the compressor is driven.

그리고, 상기 제상히터의 구동완료 이후 15분의 지연시간이 지난 뒤 댐퍼가 개방된다. 즉, 상기 압축기 구동 이후 12분, 상기 냉각팬 구동 이후 5분의 지연시간이 지난 뒤 댐퍼가 개방된다. The damper is opened after a delay of 15 minutes has passed after the defrost heater is completed. That is, the damper is opened after a delay time of 12 minutes after driving the compressor and 5 minutes after driving the cooling fan.

이를 도면을 참조하여 상세히 살펴보면, 도 5 는 본 발명에 의한 냉장고의 제어방법에 따른 순서도로 증발기에 착상된 성애를 제거하기 위하여 제상운전을 실시하는 단계가 수행된다.Referring to this in detail with reference to the drawings, Figure 5 is a step of performing a defrosting operation to remove the frost formed on the evaporator in the flow chart according to the control method of the refrigerator according to the present invention.

상기 제상운전단계에서는 상기 증발기와 연결되는 제상히터를 가동시켜 증발기에 착상된 성애를 제거시킨 뒤 제상히터의 동작이 완료되면, 전술한 압축기, 냉각팬, 댐퍼의 동작을 순차적으로 수행하기 위한 지연시간이 부여된다. In the defrosting operation step, the defrost heater connected to the evaporator is operated to remove the frost formed on the evaporator, and when the operation of the defrost heater is completed, a delay time for sequentially performing the operations of the compressor, the cooling fan, and the damper. Is given.

즉, 제상운전으로 인한 증발기 주변의 온도를 냉각시킨 뒤 정상상태의 냉기를 순환시키기 위하여 상기 제상운전단계 이후에는 냉매를 압축시키기 위한 압축기 구동단계가 수행되며, 본 발명에 의한 압축기의 구동을 위한 지연시간은 3분이 소요된다.That is, after the defrosting operation step, the compressor driving step for compressing the refrigerant is performed after cooling the temperature around the evaporator due to the defrosting operation to circulate the cold air in a steady state, and a delay for driving the compressor according to the present invention. The time is three minutes.

상기에서 제시한 3분여의 시간은 물론 압축기의 성능에 따라 달라질 수 있겠으나 평균적으로 3분 가량이 소요되는 것으로 어느 정도의 오차범위는 발생하는 것이 자명할 것이다.. The above three minutes may vary depending on the performance of the compressor, of course, but it takes three minutes on average, and it will be apparent that a certain error range occurs.

그리고, 전술한 3분여의 시간은 본 발명에 사용되는 압축기가 리니어 컴프레서(Linear Comp.)를 사용함으로써 가능한 것으로, 리니어 컴프레서에 인가되는 스트로크 전압을 가변시켜 줌으로써 압축비의 가변이 가능하며, 기구적으로 마찰손실 이 적으므로 기동토크가 작다. 따라서, 압축기의 동작을 위한 지연시간이 종래 기술에 비해 현저히 감소된다.In addition, the above-mentioned three minutes can be achieved by using the linear compressor of the compressor used in the present invention. The compression ratio can be varied by varying the stroke voltage applied to the linear compressor. Since the friction loss is small, the starting torque is small. Thus, the delay time for the operation of the compressor is significantly reduced compared to the prior art.

한편, 상기 제상히터의 동작완료 이후 10분여의 지연시간을 가진 뒤에는 냉동실 내부로 냉기를 강제이송시키는 냉각팬이 구동하는 단계가 수행된다. 즉, 상기 압축기 구동 이후 7분여의 시간이 지난 뒤 냉각팬 구동단계가 수행된다. On the other hand, after the operation of the defrost heater has a delay time of about 10 minutes after the step of driving the cooling fan for forcibly transferring the cold air into the freezer compartment. That is, after about seven minutes have passed since the compressor is driven, the cooling fan driving step is performed.

이는 상기 압축기에서 압축된 냉매가 증발기에서 열교환 되어 냉기를 충분히 생성한 뒤 냉동실로 냉기가 유입되도록 하기 위한 것으로, 이하 설명할 댐퍼를 개방하는 단계까지 냉동실을 빠르게 냉각시키게 된다. This is to allow the refrigerant compressed in the compressor to exchange heat in the evaporator to sufficiently generate cold air and then to introduce the cold air into the freezing compartment. The freezing chamber is rapidly cooled until the damper to be described below is opened.

상기와 같이 냉동실이 충분히 냉각된 상태에서 전술한 댐퍼 개방단계가 수행되며, 이때 지연시간은 상기 제상운전 완료 후 15분 즉, 상기 냉각팬 구동 이후 5분여간의 지연시간 이후에 댐퍼가 개방된다. As described above, the above-mentioned damper opening step is performed while the freezer compartment is sufficiently cooled, and the delay time is 15 minutes after the completion of the defrosting operation, that is, the damper is opened after a delay time of about 5 minutes after the cooling fan is driven.

따라서, 상기 냉장실로 공급되는 냉기는 상기 냉동실에서 충분히 냉각된 상태로 냉장실로 공급되며, 냉동실에서 냉장실로 토출되는 냉기만큼 충분히 냉각된 냉기가 상기 냉동실로 공급되므로 냉동실의 온도상승이 방지된다.Therefore, the cold air supplied to the refrigerating compartment is supplied to the refrigerating compartment in a state where the refrigerating compartment is sufficiently cooled in the freezing compartment, and since the cool air sufficiently cooled as cold air discharged from the freezing compartment to the refrigerating compartment is supplied to the freezing compartment, the temperature rise of the freezing compartment is prevented.

이와 같은 본 발명의 범위는 상기한 실시예에 한정되는 것이 아니라 본 발명이 속하는 기술분야에 종사하는 통상의 기술자들에게 있어서는 본 발명을 기초로 하는 다른 많은 변형이 가능할 것이다. Such a scope of the present invention is not limited to the above-described embodiments, but many other modifications based on the present invention will be possible to those skilled in the art.

예를 들어 본 발명에서 일실시 예로 설명한 각 단계별 지연시간을 보다 줄이거나 늘여서 제어하는 것도 가능할 것이나 이는 제상운전 이후 압축기, 냉각팬, 댐퍼의 순서로 동작되도록 하는 본 발명의 기술적 사상에 포함되는 것이 자명할 것이 다.For example, it may be possible to control by reducing or increasing the delay time for each step described in one embodiment in the present invention, but this is obviously included in the technical idea of the present invention to operate in the order of compressor, cooling fan, damper after defrosting operation. something to do.

본 발명은 제상운전의 완료 이후에 압축기가 기동토크에 의해 소정의 지연시간을 가지게 되고, 압축기 동작 이후에 냉기가 충분히 생성될 수 있도록 소정의 지연시간을 부가한 뒤 냉각팬을 구동시키므로 냉동실로 유입되는 냉기가 빠르게 냉동실을 냉각시키게 되는 이점이 있다.In the present invention, after the defrosting operation is completed, the compressor has a predetermined delay time due to the starting torque, and after the compressor operation, the cooling fan is driven after adding a predetermined delay time so that the cool air can be sufficiently generated. There is an advantage that the cold air is cooled the freezer quickly.

그리고, 상기와 같이 냉각팬을 통해 유입되는 냉기가 상기 냉동실 내부를 빠르게 냉각시키는 동안 댐퍼의 개방시까지 소정의 지연시간을 부가함으로써, 냉기가 냉장실로 이송되지 않도록 함으로써, 냉동실을 냉각속도는 한층 더 빨라지는 이점이 있다.In addition, by adding a predetermined delay time until the damper is opened while the cold air flowing through the cooling fan cools the inside of the freezing compartment rapidly, the cooling rate is further increased by preventing the cold air from being transferred to the refrigerating compartment. It has the advantage of being faster.

또한, 상기와 같이 냉동실의 냉각속도가 빨라짐으로 인하여 고내(庫內)에 저장된 저장물이 온도변화에 의하여 변질되는 것이 방지되는 이점이 있다.In addition, as described above, due to the faster cooling rate of the freezer compartment, there is an advantage that the stored matter stored in the refrigerator is prevented from being altered due to temperature change.

뿐만 아니라, 상기와 같이 제상운전 이후 고내온도변화에 따른 저장물의 변질이 방지됨으로 인하여 소비자의 제품만족도 및 제품에 대한 신뢰도가 상승하게 되는 효과가 있다.In addition, since the deterioration of the stored goods due to the change in the internal temperature after the defrosting operation as described above, there is an effect that the consumer's product satisfaction and the reliability of the product is increased.

Claims (5)

제상운전 완료 후 압축기가 구동하는 단계;Driving the compressor after the defrosting operation is completed; 냉기를 송풍하는 팬이 구동하는 단계;및A step of driving a fan for blowing cold air; and 상기 팬에 의하여 송풍되는 냉기가 냉장실로 안내되도록 하는 댐퍼가 개방되는 단계가 포함되고,A step of opening a damper for allowing the cold air blown by the fan to be guided to the refrigerating compartment, 상기 팬과 댐퍼는 시간차를 두고 작동하는 것을 특징으로 하는 냉장고의 제어 방법.The fan and the damper is a control method of the refrigerator, characterized in that to operate at a time difference. 제 1 항에 있어서,The method of claim 1, 상기 댐퍼는 냉장실과 냉동실을 구획하는 배리어에 제공되는 것을 특징으로 하는 냉장고의 제어 방법.The damper is a control method of the refrigerator, characterized in that provided in the barrier partitioning the refrigerator compartment and the freezer compartment. 제 1 항에 있어서,The method of claim 1, 상기 댐퍼는 상기 팬의 구동 시점으로부터 설정 시간이 경과된 뒤에 개방되는 것을 특징으로 하는 냉장고의 제어 방법.The damper is a control method of the refrigerator, characterized in that the opening after the set time has elapsed from the drive time of the fan. 제 1 항에 있어서,The method of claim 1, 상기 압축기는 리니어 컴프레서인 것을 특징으로 하는 제어방법.The compressor is a control method, characterized in that the linear compressor. 제상 운전 완료 후 정상 사이클이 수행되는 과정에서, 냉각팬의 운전과 냉장실 댐퍼의 개방이 서로 다른 시점에서 수행되도록 하는 냉장고의 제어 방법. The control method of the refrigerator to allow the operation of the cooling fan and the opening of the refrigerating compartment damper at different points in time during the normal cycle after the defrosting operation is completed.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130037354A (en) * 2011-10-06 2013-04-16 삼성전자주식회사 Refrigerator and control method thereof
EP3457059B1 (en) * 2017-01-19 2022-05-11 LG Electronics Inc. Refrigerator and control method therefor
WO2022145683A1 (en) * 2020-12-30 2022-07-07 삼성전자주식회사 Refrigerator and control method therefor

Family Cites Families (4)

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KR100189103B1 (en) * 1995-10-20 1999-06-01 윤종용 Refrigerator and its opening control method
JP3398022B2 (en) * 1997-09-16 2003-04-21 シャープ株式会社 Freezer refrigerator
KR19990025840A (en) * 1997-09-18 1999-04-06 전주범 How to adjust the temperature of the refrigerator
KR19990084755A (en) * 1998-05-11 1999-12-06 윤종용 Operation control method of refrigerator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130037354A (en) * 2011-10-06 2013-04-16 삼성전자주식회사 Refrigerator and control method thereof
EP3457059B1 (en) * 2017-01-19 2022-05-11 LG Electronics Inc. Refrigerator and control method therefor
WO2022145683A1 (en) * 2020-12-30 2022-07-07 삼성전자주식회사 Refrigerator and control method therefor

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