KR100214660B1 - Refrigerator electronic damper control method - Google Patents

Refrigerator electronic damper control method Download PDF

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Publication number
KR100214660B1
KR100214660B1 KR1019970026354A KR19970026354A KR100214660B1 KR 100214660 B1 KR100214660 B1 KR 100214660B1 KR 1019970026354 A KR1019970026354 A KR 1019970026354A KR 19970026354 A KR19970026354 A KR 19970026354A KR 100214660 B1 KR100214660 B1 KR 100214660B1
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South Korea
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damper
electronic damper
electronic
refrigerator
baffle
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KR1019970026354A
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Korean (ko)
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KR19990002678A (en
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김재호
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구자홍
엘지전자주식회사
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Priority to KR1019970026354A priority Critical patent/KR100214660B1/en
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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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • 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
    • 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
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • 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
    • F25D2600/00—Control issues
    • F25D2600/06—Controlling according to a predetermined profile
    • 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
    • F25D2700/12—Sensors measuring the inside temperature
    • 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
    • F25D2700/12—Sensors measuring the inside temperature
    • F25D2700/122—Sensors measuring the inside temperature of freezer compartments

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

Abstract

본 발명은 냉장고 전자식 댐퍼 제어방법에 관한 것으로, 종래의 기술은 압축기 운전 및 냉동팬 모터의 구동과 무관하게 냉장실 센서와 냉동실 센서의 상태에 따라 전자식 댐퍼의 베플을 전계 또는 전폐하여 냉동실과 냉장실의 온도를 조절함으로써, 상기 전자식 댐퍼의 베플 전폐 시간이 길어져 댐퍼 베플이 결빙되고, 이로 인하여 전자식 댐퍼 동작의 불량 및 온도조절 불량이 초래되는 문제점이 있었다.The present invention relates to a method for controlling the electronic damper of a refrigerator, and the related art is related to the temperature of the freezer compartment and the refrigerating compartment by electric field or closing the baffle of the electronic damper according to the state of the refrigerator compartment sensor and the freezer compartment sensor regardless of the operation of the compressor and the operation of the refrigerator fan motor. By controlling the, the damper baffle is frozen because the baffle closing time of the electronic damper is lengthened, which causes a problem of poor electronic damper operation and poor temperature control.

따라서, 본 발명은 상기와 같은 종래의 문제점을 해결하기 위하여 창안한 것으로, 압축기 모터 및 냉동실 팬모터가 정지시에는 댐퍼 베플을 개방시켜 댐퍼 결빙으로 인한 동작 불량을 제거하는 방법을 제공함으로써, 전자식 댐퍼의 결빙으로 인하여 발생하는 전자식 댐퍼의 동작 불량 및 온도조절 불량을 방지하는 효과가 있다.Accordingly, the present invention has been made to solve the above-mentioned conventional problems, by providing a method of removing the malfunction caused by the damper freezing by opening the damper baffle when the compressor motor and the freezer fan motor is stopped, the electronic damper There is an effect of preventing the operation of the electronic damper and the poor temperature control caused by the freezing of.

Description

냉장고 전자식 댐퍼 제어방법Refrigerator electronic damper control method

본 발명은 냉장고 전자식 댐퍼 제어방법에 관한 것으로, 특히 냉장고의 냉장실 온도를 조절하는 댐퍼에 있어서, 압축기 모터 및 냉동실 팬모터가 정지시에는 댐퍼 베플을 개방시켜 댐퍼 결빙으로 인한 동작 불량을 제거하는 냉장고 전자식 댐퍼 제어방법에 관한 것이다.The present invention relates to a refrigerator electronic damper control method, and in particular, in a damper for controlling the temperature of a refrigerator compartment of a refrigerator, when the compressor motor and the freezer fan motor are stopped, the damper baffle is opened to remove a malfunction caused by damper freezing. It relates to a damper control method.

도1은 종래 냉장고의 구성을 보인 종단면도로서, 이에 도시된 바와 같이 저온, 저압의 냉매를 증발시켜 액분이 없는 포화증기로 만드는 증발기(10)와; 상기 증발기(10)에서 토출된 저온, 저압의 냉매증기를 흡입하여 이를 압축함으로써 고온, 고압의 증기로 만드는 압축기(11)와; 냉장실의 냉기 공급과 차단으로 냉장실의 온도를 조절할 수 있는 냉장실 전자식 댐퍼(Damper, 12)와; 냉기순환 역할을 하여 상기 증발기(10)에서 발생된 냉기를 강제송풍 하는 냉동팬(Fan)을 구동시키는 냉동팬 모터(13)와; 냉장실 온도를 감지하는 냉장실 센서(TH1)와; 냉동실의 온도를 감지하는 냉동실 센서(TH2,TH3)로 구성된 것으로, 이와 같이 구성된 종래 장치의 동작과정을 설명하면 다음과 같다.1 is a vertical cross-sectional view showing the configuration of a conventional refrigerator, as shown therein an evaporator 10 for evaporating a low-temperature, low-pressure refrigerant to a saturated vapor without liquid content; A compressor (11) for making high-temperature, high-pressure steam by sucking and compressing the low-temperature and low-pressure refrigerant vapor discharged from the evaporator (10); A refrigerator compartment electronic damper (Damper) 12 capable of controlling the temperature of the refrigerator compartment by supplying and blocking cold air from the refrigerator compartment; A refrigeration fan motor 13 which drives a refrigeration fan for forcibly blowing cold air generated in the evaporator 10 by acting as a cold air circulation; A refrigerator compartment sensor TH1 for detecting a refrigerator compartment temperature; It is composed of freezer sensors (TH2, TH3) for detecting the temperature of the freezer compartment, the operation of the conventional device configured as described above is as follows.

도2는 종래 전자식 댐퍼의 동작 흐름도로서, 이에 도시한 바와 같이 압축기 모터 및 냉동팬 모터의 구동과 무관하게 냉장실 센서와 냉동실 센서의 상태에 따라 전자식 댐퍼의 베플을 전개 또는 전폐하여 냉장실과 냉동실의 온도를 조절한다.2 is an operation flowchart of a conventional electronic damper. As shown in FIG. 2, the temperature of the refrigerator compartment and the freezer compartment is expanded or closed by the baffle of the electronic damper according to the state of the refrigerator compartment sensor and the freezer compartment sensor regardless of the operation of the compressor motor and the freezer fan motor. Adjust

상기와 같이 종래의 기술은 압축기 운전 및 냉동팬 모터의 구동과 무관하게 냉장실 센서와 냉동실 센서의 상태에 따라 전자식 댐퍼의 베플을 전계 또는 전폐하여 냉동실과 냉장실의 온도를 조절함으로써, 상기 전자식 댐퍼의 베플 전폐 시간이 길어져 댐퍼 베플이 결빙되고, 이로 인하여 전자식 댐퍼 동작의 불량 및 온도조절 불량이 초래되는 문제점이 있었다.As described above, the conventional technology controls the temperature of the freezer compartment and the refrigerating compartment by controlling the temperature of the freezer compartment and the refrigerating compartment by electric field or closing the baffle of the electronic damper according to the state of the refrigerator compartment sensor and the freezer compartment sensor regardless of the operation of the compressor and the operation of the refrigeration fan motor. The total closing time is long, the damper baffle is frozen, which causes a problem of electronic damper operation and poor temperature control.

따라서, 본 발명은 상기와 같은 종래의 문제점을 해결하기 위하여 창안한 것으로, 압축기 모터 및 냉동실 팬모터가 정지시에는 댐퍼 베플을 개방시켜 댐퍼 결빙으로 인한 동작 불량을 제거하는 방법을 제공함에 목적이 있다.Accordingly, the present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to provide a method for removing a malfunction caused by damper freezing by opening a damper baffle when the compressor motor and the freezer fan motor are stopped. .

도1은 종래 냉장고의 구성을 보인 종단면도.1 is a longitudinal sectional view showing a configuration of a conventional refrigerator.

도2는 종래 전자식 댐퍼의 동작 흐름도.2 is an operation flowchart of a conventional electronic damper.

도3은 본 발명의 회로 구성을 보인 회로도.3 is a circuit diagram showing a circuit configuration of the present invention.

도4는 본 발명의 동작 흐름도.4 is an operational flowchart of the present invention.

도5a는 전자식 댐퍼의 정면도.5A is a front view of the electronic damper.

도5b는 전자식 댐퍼의 측면도.5B is a side view of the electronic damper.

도6은 전자식 댐퍼의 동작 상태도.6 is an operational state diagram of the electronic damper.

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

10 : 증발기 11 : 압축기10: evaporator 11: compressor

12 : 냉동실 전자식 댐퍼 13 : 냉동팬 모터12: freezer electronic damper 13: freezer fan motor

30 : 제어부 TH1 : 냉동실 센서30: control unit TH1: freezer sensor

TH2,TH3 : 냉장실 센서 I1,I2 : 인버터TH2, TH3: Refrigerator sensor I1, I2: Inverter

이와 같은 목적을 달성하기 위한 본 발명의 구성은, 증발기에서 토출된 저온, 저압의 냉매증기를 흡입하여 이를 압축함으로써 고온, 고압의 증기로 만드는 압축기와; 냉장실의 냉기 공급과 차단으로 냉장실의 온도를 조절할 수 있는 냉장실 전자식 댐퍼(Damper)와; 냉기순환 역할을 하여 상기 증발기에서 발생된 냉기를 강제송풍 하는 냉동팬(Fan)을 구동시키는 냉동팬 모터와; 냉장실 온도를 감지하는 냉장실 센서와; 냉동실의 온도를 감지하는 냉동실 센서와; 상기 냉장실 센서 및 냉동실 센서에서 감지한 온도에 의해 제어신호를 발생하는 제어부와; 상기 제어부의 제어신호를 반전하는 복수개의 인버터와; 상기 인버터에서 반전된 신호에 의해 구동하는 복수개의 릴레이부로 구성한다.The constitution of the present invention for achieving the above object comprises: a compressor for making high-temperature, high-pressure steam by sucking and compressing the low-temperature, low-pressure refrigerant vapor discharged from the evaporator; A refrigerator compartment electronic damper capable of controlling the temperature of the refrigerator compartment by supplying and blocking cold air from the refrigerator compartment; A refrigeration fan motor which serves as a cold air circulation to drive a refrigeration fan for forcibly blowing cold air generated in the evaporator; A refrigerator compartment sensor for sensing a refrigerator compartment temperature; A freezer compartment sensor for sensing a temperature of the freezer compartment; A control unit for generating a control signal by the temperature sensed by the refrigerator compartment sensor and the freezer compartment sensor; A plurality of inverters for inverting the control signal of the controller; The inverter includes a plurality of relays driven by signals inverted by the inverter.

그리고, 방법에 있어서는 압축기와 냉동팬 모터가 구동 중인가를 판단하는 제1 단계와; 상기 제1 단계의 판단에 의해 구동 중이 아니면 전자식 댐퍼가 전개 상태인가를 판단하는 제2 단계와; 상기 제2 단계의 판단에 의해 전개상태가 아니면 전자식 댐퍼를 전개하여 상기 제1 단계로 돌아가는 제3 단계와; 상기 제1 단계의 판단에 의해 구동 중이면 냉장실 온도가 설정온도에 도달하였는가를 판단하는 제4 단계와; 상기 제4 단계의 판단에 의해 도달하였으면 전자식 댐퍼를 전폐하고 동작을 종료하거나, 도달하지 못하였으면 설정온도에 도달할때까지 전자식 댐퍼를 전개하는 제5 단계로 이루어진 것을 특징으로 한다.The method includes: a first step of determining whether the compressor and the refrigeration fan motor are driven; A second step of determining whether the electronic damper is in a deployed state if it is not driven by the determination of the first step; A third step of deploying the electronic damper to return to the first step if it is not in the deployed state by the determination of the second step; A fourth step of determining whether the refrigerating chamber temperature has reached a set temperature if it is driven by the determination of the first step; If it reaches by the determination of the fourth step, the electronic damper is completely closed and the operation is terminated, or if it does not reach, the fifth step of deploying the electronic damper until the set temperature is reached.

이하, 본 발명에 따른 실시예를 첨부한 도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도3은 본 발명의 회로 구성을 보인 회로도로서, 이에 도시한 바와 같이 증발기에서 토출된 저온, 저압의 냉매증기를 흡입하여 이를 압축함으로써 고온, 고압의 증기로 만드는 압축기(11)와; 냉장실의 냉기 공급과 차단으로 냉장실의 온도를 조절할 수 있는 냉장실 전자식 댐퍼(Damper, 12)와; 냉기순환 역할을 하여 상기 증발기에서 발생된 냉기를 강제송풍 하는 냉동팬(Fan)을 구동시키는 냉동팬 모터(13)와; 냉장실 온도를 감지하는 냉장실 센서(TH2,TH3)와; 냉동실의 온도를 감지하는 냉동실 센서(TH1)와; 상기 냉장실 센서(TH2,TH3) 및 냉동실 센서(TH1)에서 감지한 온도에 의해 제어신호를 발생하는 제어부(30)와; 상기 제어부(30)의 제어신호를 반전하는 복수개의 인버터(I1,I2)와; 상기 인버터(I1,I2)에서 반전된 신호에 의해 구동하는 제1,2 릴레이부(RL1,RL2)로 구성한다.3 is a circuit diagram showing a circuit configuration of the present invention, as shown in FIG. A refrigerator compartment electronic damper (Damper) 12 capable of controlling the temperature of the refrigerator compartment by supplying and blocking cold air from the refrigerator compartment; A refrigeration fan motor 13, which serves as a cold air circulation to drive a refrigeration fan for forcibly blowing cold air generated in the evaporator; Refrigerating chamber sensors (TH2, TH3) for detecting a refrigerating chamber temperature; A freezer compartment sensor TH1 for sensing a temperature of the freezer compartment; A controller 30 generating a control signal based on the temperatures sensed by the refrigerating compartment sensors TH2 and TH3 and the freezing compartment sensor TH1; A plurality of inverters I1 and I2 for inverting the control signal of the controller 30; The first and second relay units RL1 and RL2 are driven by the signals inverted by the inverters I1 and I2.

도4는 본 발명의 동작 흐름도로서, 이에 도시한 바와 같이 제어부(30)에서 전자식 댐퍼(12)를 구동하면 압축기(11) 및 냉동팬 모터(13)가 구동 중인가를 판단하고, 판단에 의해 구동 정지 중이면 상기 전자식 댐퍼(12)가 전개상태인지를 판단하여 전개상태가 아니면 냉동실 및 냉장실의 센서(TH1)(TH2,TH3)에서 감지한 온도에 무관하게 강제로 상기 전자식 댐퍼(12)의 베플을 모두 전개시켜 상기 전자식 댐퍼(12)의 결빙을 방지하며, 상기 압축기(11) 및 냉동팬 모터(13)가 구동 중이면 상기 냉동실 및 냉장실에 있는 각각의 센서(TH1)(TH2,TH3)를 통해 감지한 온도가 설정값에 도달하였는지를 판단하고, 상기 판단에 의해 도달하였으면 제1,2 릴레이(RL1,RL2)의 구동을 정지하여 상기 전자식 댐퍼(12)를 전폐하고, 도달하지 못하였으면 상기 제1,2 릴레이(RL1,RL2)를 계속 구동시켜 상기 전자식 댐퍼(12)를 설정온도에 도달할 때까지 전개한다.4 is an operation flowchart of the present invention. As shown in FIG. 4, when the electronic damper 12 is driven by the controller 30, it is determined whether the compressor 11 and the refrigeration fan motor 13 are driven, and the drive is determined by the determination. It is determined that the electronic damper 12 is in a deployed state when it is stopped. If the electronic damper 12 is not in a deployed state, the baffle of the electronic damper 12 is forcibly forced regardless of the temperature detected by the sensors TH1 (TH2, TH3) of the freezer compartment and the refrigerator compartment. To prevent freezing of the electronic damper 12, and if the compressor 11 and the freezing fan motor 13 are being driven, the respective sensors TH1 (TH2, TH3) in the freezer compartment and the refrigerating compartment are It is determined whether the detected temperature has reached the set value, and when the determination is reached, the driving of the first and second relays RL1 and RL2 is stopped to close the electronic damper 12, and if not, the first 1, 2 relays (RL1, RL2) Deploy until reaching the electronic group damper 12 to a set temperature.

도5a는 전자식 댐퍼의 정면도이고, 도5b는 전자식 댐퍼의 측면도이며, 도6은 전자식 댐퍼의 동작 상태도로서, 이에 도시한 바와 같이 냉장실 센서(TH2)는 '가'베플의 전개/전폐를 담당하고, 또 다른 냉장실 센서(TH3)는 '나'베플의 전개/전폐를 담당하여 냉장실의 중칸 및 하칸의 온도를 조절하고, 냉장실 상칸은 상기 '가','나'베플이 동시에 냉기를 분배하여 온도를 조절한다.FIG. 5A is a front view of the electronic damper, FIG. 5B is a side view of the electronic damper, and FIG. 6 is an operational state diagram of the electronic damper. As shown therein, the refrigerating chamber sensor TH2 is responsible for the deployment / closing of the 'ga' baffle. In addition, another refrigerator compartment sensor (TH3) is responsible for the expansion and closure of the 'b' baffle to control the temperature of the middle and lower compartments of the fridge, and the 'b' and 'b' baffles simultaneously distribute the cold air in the fridge. Adjust

이상에서 설명한 바와 같이 본 발명 냉장고 전자식 댐퍼 제어방법은 전자식 댐퍼의 결빙으로 인하여 발생하는 전자식 댐퍼의 동작 불량 및 온도조절 불량을 냉동팬 모터 정지시에 전자식 댐퍼의 베플이 전개되도록 제어함으로써, 댐퍼 결빙으로 인한 문제점을 방지하는 효과가 있다.As described above, the refrigerator electronic damper control method of the present invention controls the operation of the electronic damper and the temperature control failure caused by the freezing of the electronic damper so that the baffle of the electronic damper is developed when the refrigeration fan motor stops, thereby preventing the damper from freezing. There is an effect to prevent problems caused by.

Claims (1)

압축기와 냉동팬 모터가 구동 중인가를 판단하는 제1 단계와; 상기 제1 단계의 판단에 의해 구동 중이 아니면 전자식 댐퍼가 전개 상태인가를 판단하는 제2 단계와; 상기 제2 단계의 판단에 의해 전개상태가 아니면 강제로 전자식 댐퍼를 전개하여 상기 제1 단계로 돌아가는 제3 단계와; 상기 제1 단계의 판단에 의해 구동 중이면 냉장실 온도가 설정온도에 도달하였는가를 판단하는 제4 단계와; 상기 제4 단계의 판단에 의해 도달하였으면 전자식 댐퍼를 전폐하고 동작을 종료하거나, 도달하지 못하였으면 설정온도에 도달할때까지 전자식 댐퍼를 전개하는 제5 단계로 이루어진 것을 특징으로 하는 냉장고 전자식 댐퍼 제어방법.A first step of determining whether the compressor and the refrigeration fan motor are driven; A second step of determining whether the electronic damper is in a deployed state if it is not driven by the determination of the first step; A third step of forcibly deploying the electronic damper to return to the first step if it is not in the deployed state by the determination of the second step; A fourth step of determining whether the refrigerating chamber temperature has reached a set temperature if it is driven by the determination of the first step; The electronic damper control method comprising the fifth step of deploying the electronic damper until it reaches the set temperature if the electronic damper is closed and the operation is terminated, or if not reached by the determination of the fourth step. .
KR1019970026354A 1997-06-21 1997-06-21 Refrigerator electronic damper control method KR100214660B1 (en)

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