KR100339532B1 - Device and method for controlling cool air of refrigerator - Google Patents

Device and method for controlling cool air of refrigerator Download PDF

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Publication number
KR100339532B1
KR100339532B1 KR1019970053928A KR19970053928A KR100339532B1 KR 100339532 B1 KR100339532 B1 KR 100339532B1 KR 1019970053928 A KR1019970053928 A KR 1019970053928A KR 19970053928 A KR19970053928 A KR 19970053928A KR 100339532 B1 KR100339532 B1 KR 100339532B1
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South Korea
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refrigerator
handle
human body
temperature
compressor
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KR1019970053928A
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Korean (ko)
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KR19990032781A (en
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김용식
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구자홍
엘지전자주식회사
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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
    • F25D2600/00—Control issues
    • F25D2600/04—Controlling heat transfer
    • 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
    • F25D2700/04—Sensors detecting the presence of a person
    • 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
    • F25D2700/121—Sensors measuring the inside temperature of particular 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)

Abstract

PURPOSE: A cool air control apparatus of a refrigerator and a method thereof are provided to improve cooling efficiency and convenience, and to keep food fresh by controlling cold air with installing a human body sensor in a door handle. CONSTITUTION: Doors are installed in the front parts of a refrigerating compartment(2) and a freezer compartment(1), and a handle(10) is mounted in the front of the door. A human body detecting sensor(9) is embedded in the handle. Grip of the door handle is detected with the human body detecting sensor, and a compressor is operated by a microcomputer in gripping the handle to keep constant temperature in the refrigerator by restricting inflow of outdoor air. Cooling efficiency is improved, and food is kept fresh in the refrigerator with controlling cool air efficiently by the human body sensor.

Description

냉장고의 냉기 제어장치 및 방법Refrigeration air control device and method

본 발명은 냉장고의 냉기 제어장치 및 방법에 관한 것으로, 특히 도어 인체감지센서의 인체감지에 의해 냉기를 자동적으로 제어하여 냉각효율을 증대시킬 수 있도록 한 냉장고의 냉기 제어장치 및 방법에 관한 것이다.The present invention relates to a cold air control device and method of the refrigerator, and more particularly to a cold air control device and method for controlling the cold air by the human body detection of the door human body sensor to increase the cooling efficiency.

도1은 일반적인 냉장고의 냉기 제어장치의 개략도로서, 이에 도시된 바와같이 음식물을 냉동 보관하는 냉동실(1)과; 음식물을 냉장 보관하는 냉장실(2)과; 상기 냉장실(2) 또는 상기 냉동실(1)의 온도변화에 따라 냉기공급을 선택적으로 조절하는 냉기조절장치(3)와; 상기 냉장실(2)의 하측에 위치하여 상기 냉동실(1) 및 냉장실(2)의 냉각을 담당하는 압축기(4)와; 상기 냉장실(2) 내부의 좌,우측과 상기 냉동실(1)이 내측에 위치하여 상기 냉동실(1) 및 냉장실(2)의 온도변화를 감지하는 온도감지부(7)와; 상기 온도감지부(7)의 감지신호를 입력받아 그에 해당되는 제어신호를 출력하는 마이크로컴퓨터(8)와; 상기 마이크로컴퓨터(8)의 제어신호에 의해 상기 냉기조절장치(3)를 선별적으로 구동시킴과 아울러 상기 압축기(4)를 구동시키는 구동부(6)로 구성된다.1 is a schematic view of a cold air control device of a general refrigerator, and a freezer compartment 1 for freezing and storing food as shown therein; A refrigerating compartment (2) for refrigerating food; A cold air conditioner (3) for selectively controlling the cold air supply according to the temperature change of the refrigerating compartment (2) or the freezing compartment (1); A compressor (4) positioned below the refrigerating compartment (2) and responsible for cooling the freezing compartment (1) and the refrigerating compartment (2); A left and right sides of the inside of the refrigerating compartment and a freezing compartment 1 located at an inner side to detect a temperature change of the freezing compartment 1 and the refrigerating compartment 2; A microcomputer 8 which receives the detection signal of the temperature sensing unit 7 and outputs a control signal corresponding thereto; And a drive unit 6 for selectively driving the cold air conditioner 3 according to the control signal of the microcomputer 8 and for driving the compressor 4.

도2는 일반적인 냉장고의 사시도로서, 이에 도시된 바와같이 냉동실(1)과 냉장실(2)의 전면 일측에 각각 도어를 설치하고 이 도어의 전면 일측구간에는 냉장고문을 열고 닫을 수 있는 핸들(10)로 구성된다.Figure 2 is a perspective view of a typical refrigerator, as shown therein the doors on the front side of the freezer compartment 1 and the refrigerating compartment 2, respectively, and the handle 10 that can open and close the refrigerator door on one side of the front side of the door. It consists of.

도3은 종래 냉장고 냉기제어방법의 흐름도로서, 이에 도시된 바와같이 냉장실(2) 및 냉동실(1)의 온도를 감지하여 그 감지된 온도가 설정온도 범위이내에 있는가를 판단하는 제1 단계와; 상기 제1 단계의 판단결과 감지된 온도가 설정온도 범위이내에 있지 않으면 처음으로 궤환하고 감지된 온도가 설정온도 범위이내에 있으면 압축기(4)를 동작시킨후 냉동실(1) 및 냉장실(2)의 온도가 설정온도에 있는가를 판단하는 제2 단계와; 상기 제2 단계의 판단결과 냉장실(2) 및 냉동실(1)의 온도가 설정온도 범위이내에 없으면 상기 제2 단계로 궤환하고 상기 냉장실(2) 및 냉동실(1)의 온도가 설정온도 범위이내에 있으면 압축기(4)를 정지시키는 제3 단계로 이루어진다.3 is a flow chart of a conventional refrigerator cold air control method, and as shown therein, a first step of sensing the temperatures of the refrigerating chamber 2 and the freezing chamber 1 and determining whether the detected temperature is within a set temperature range; As a result of the determination in the first step, if the detected temperature is not within the set temperature range, it is fed back for the first time, and if the detected temperature is within the set temperature range, the compressor 4 is operated and then the temperature of the freezer compartment 1 and the refrigerating compartment 2 is increased. A second step of determining whether it is at a set temperature; If the temperature of the refrigerating chamber 2 and the freezing chamber 1 is within the set temperature range as a result of the determination of the second stage, the compressor is returned to the second step and if the temperatures of the refrigerating chamber 2 and the freezing chamber 1 are within the set temperature range, the compressor (4) it consists of a 3rd step which stops.

이와같이 구성된 종래 장치의 동작을 도3의 흐름도를 참조하여 설명한다.The operation of the conventional apparatus configured as described above will be described with reference to the flowchart of FIG.

먼저, 사용자가 냉장고를 사용하게 되면 온도감지부(7)에 의하여 냉장고내의 온도를 감지하고, 마이크로컴퓨터(8)는 상기 온도감지부(7)의 감지신호를 입력받아 그에 해당되는 제어신호를 출력한다.First, when the user uses the refrigerator, the temperature sensor 7 senses the temperature in the refrigerator, and the microcomputer 8 receives the detection signal of the temperature sensor 7 and outputs a control signal corresponding thereto. do.

이때, 상기 온도감지부(7)의 감지신호가 설정온도 범위를 벗어날 경우 마이크로컴퓨터(8)는 그에 해당되는 제어신호를 출력하고, 이에따라 구동부(6)는 상기 마이크로컴퓨터(8)로부터 제어신호를 입력받아 그에 따른 구동신호를 출력하여 그 구동신호에 의해 압축기(4)를 운전시킨다.At this time, when the detection signal of the temperature sensing unit 7 is out of the set temperature range, the microcomputer 8 outputs a control signal corresponding thereto, and accordingly, the driver 6 receives the control signal from the microcomputer 8. It receives the input and outputs a drive signal according to the drive signal to operate the compressor (4).

반대로, 냉장고내의 온도가 설정온도 범위내에 도달되면 이를 감지한 온도감지부(7)는 그에 해당되는 감지신호를 출력하고, 마이크로컴퓨터(8)는 상기 온도감지부(7)의 감지신호를 입력받아 그에 해당되는 제어신호를 출력한다.On the contrary, when the temperature in the refrigerator reaches the set temperature range, the temperature detecting unit 7 which detects the temperature of the refrigerator outputs a corresponding sensing signal, and the microcomputer 8 receives the sensing signal of the temperature detecting unit 7. Output a control signal corresponding to it.

이에따라, 구동부(6)는 상기 마이크로컴퓨터(8)로부터 제어신호를 입력받아 그에 따른 구동 정지신호를 출력하여 상기 압축기(4)의 운전을 정지시킨다.Accordingly, the drive unit 6 receives a control signal from the microcomputer 8 and outputs a driving stop signal according to it to stop the operation of the compressor 4.

그러나, 상기와 같이 동작하는 종래장치는 온도감지에 의한 획일적인 냉기제어로 인하여 냉각효율이 저하될 수 있는 문제점이 있었다.However, the conventional apparatus operating as described above has a problem that the cooling efficiency may be lowered due to uniform cold air control by temperature sensing.

따라서, 상기와 같은 문제점을 감안하여 창안한 본 발명은 인체감지에 의한 냉기제어로 인하여 냉각효율이 증대되어 사용의 편리성 및 음식물의 저장상태가 양호하도록 한 냉장고의 냉기제어장치 및 방법을 제공함에 그 목적이 있다.Accordingly, the present invention devised in view of the above-described problems provides a cold air control apparatus and method for a refrigerator to improve the cooling efficiency due to the control of cold air due to the detection of a human body and to improve the convenience of use and storage of food. Its purpose is.

도 1은 일반적인 냉장고의 냉기 제어장치의 개략도.1 is a schematic view of a cold air control device of a typical refrigerator.

도 2는 일반적인 냉장고의 사시도.2 is a perspective view of a typical refrigerator.

도 3은 종래 냉장고 냉기제어방법의 흐름도.3 is a flow chart of a conventional refrigerator cold air control method.

도 4는 본 발명 냉장고 냉기 제어장치의 사시도.Figure 4 is a perspective view of the refrigerator cold air control device of the present invention.

도 5는 본 발명 냉장고 냉기 제어방법의 흐름도.5 is a flow chart of the refrigerator cold air control method of the present invention.

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

1:냉동실 2:냉장실1: freezer room 2: freezer room

9:인체감지센서 10:핸들9: human body sensor 10: handle

상기와 같은 목적은 냉동실과 냉장실을 구비하고 제품 내측 일측구간에 온도감지부를 구비한 냉장고에 있어서, 상기 냉동실과 냉장실의 전면 일측에 설치된 도어의 핸들에 인체감지센서를 더 포함하여 구성함으로써 달성되는 것으로, 이와같은 본 발명을 설명한다.The above object is achieved in the refrigerator having a freezing compartment and a refrigerating compartment and having a temperature sensing unit in one side section of the inside of the product, further comprising a human body sensor on a handle of a door installed at one side of the front side of the freezing compartment and the refrigerating compartment. This invention will be described.

도4는 본 발명 냉장고 냉기 제어장치의 사시도로서, 이에 도시한 바와같이 냉동실(1)과 냉장실(2)의 전면 일측에 각각 도어를 설치하고 이 도어의 전면 일측구간에는 냉장고문을 열고 닫을 수 있는 핸들(10)을 설치하고 그 핸들(10)에 인체감지센서(9)를 내장하여 구성한다.Figure 4 is a perspective view of the refrigerator cold air control device of the present invention, as shown in the door on the front side of the freezer compartment (1) and the refrigerating compartment (2), respectively, and one side section of the front door of the refrigerator door can be opened and closed The handle 10 is installed and the human body sensor 9 is built in the handle 10.

도5는 본 발명 냉장고 냉기 제어방법의 흐름도로서, 이에 도시한 바와같이 사용자가 핸들(10)을 잡았는 지를 판단하는 제1 단계와; 상기 제1 단계의 판단결과 사용자가 핸들(10)을 잡았으면 압축기(4)를 온시키고 또한 사용자가 핸들(10)을 잡지 않았으면 그대로 냉동실(1) 또는 냉장실(2)의 온도감지부(7)가 온도를 감지한 후 이 감지온도가 설정온도 범위 이내인 지를 판단하는 제2 단계와; 상기 제2 단계의 판단결과 감지온도가 설정온도 범위이내에 있지 않으면 상기 제1 단계로 궤환하고 감지온도가 설정온도 범위이내에 있으면 압축기(4)를 오프시키는 제3 단계로 이루어진다.5 is a flow chart of the refrigerator cold air control method of the present invention, and as shown therein, a first step of judging whether the user grasps the handle 10; If the user grasps the handle 10 as a result of the determination of the first step, the compressor 4 is turned on. If the user does not hold the handle 10, the temperature sensing unit 7 of the freezer compartment 1 or the refrigerating compartment 2 is kept as it is. Determining whether the detected temperature is within a set temperature range after detecting the temperature; As a result of the determination of the second step, if the sensed temperature is not within the set temperature range, it returns to the first stage and if the sensed temperature is within the set temperature range, the compressor 4 is turned off.

이와같이 구성한 본 발명의 일실시예의 동작을 도1 및 도5의 흐름도를 참조하여 설명한다.The operation of one embodiment of the present invention configured as described above will be described with reference to the flowcharts of Figs.

먼저, 사용자가 제품을 사용하게 되면 사용자가 도어의 핸들(10)을 잡았는 지를 인체감지센서(9)를 이용하여 감지하는데, 사용자가 상기 도어의 핸들(10)을 잡았을 경우에는 상기 인체감지센서(9)가 이를 감지하고 그에따라 마이크로컴퓨터(8)는 압축기(4)를 운전시키며, 이에따라 높은 외부의 온도침투를 막아 냉장고내의 온도를 항상 일정하게 유지한다.First, when a user uses the product, the user detects whether the user holds the handle 10 of the door by using the human body sensor 9, when the user holds the handle 10 of the door, the human body sensor ( 9) detects this and accordingly the microcomputer 8 operates the compressor 4, thereby preventing the high temperature penetration of the outside to keep the temperature in the refrigerator constant at all times.

만약, 사용자가 도어의 핸들(10)을 잡지 않았으면 인체감지센서(9)가 이를 감지하여 그에 대한 감지신호를 마이크로컴퓨터(8)에 전송하고, 이에따라 상기 마이크로컴퓨터(8)는 온도감지부(7)에 의해 냉장고내의 온도를 감지하여 그 온도가 설정온도의 범위를 벗어날 경우에는 압축기(4)를 운전시키며, 반대로 냉장고내의 온도가 설정온도의 범위이내에 도달되면 상기 압축기(4)의 운전을 중지한다.If the user does not hold the handle 10 of the door, the human body sensor 9 detects this and transmits a detection signal thereto to the microcomputer 8, whereby the microcomputer 8 includes a temperature sensing unit ( 7) When the temperature in the refrigerator is sensed and the temperature is out of the set temperature range, the compressor 4 is operated. On the contrary, when the temperature in the refrigerator reaches the set temperature range, the operation of the compressor 4 is stopped. do.

이상에서 상세히 설명한 바와같이 본 발명은 인체감지에 의한 냉기제어로 인하여 냉각효율이 증대되어 사용의 편리성 및 음식물의 저장상태가 좋아지는 효과가 있다.As described in detail above, the present invention has an effect of increasing the cooling efficiency due to the control of cold air by sensing the human body, thereby improving convenience of use and storage of food.

Claims (2)

냉동실과 냉장실을 구비하고 제품 내측 일측구간에 온도감지부를 구비한 냉장고에 있어서, 상기 냉동실과 냉장실의 전면 일측에 설치된 도어의 핸들에 인체감지센서를 더 포함하여 구성한 것을 특징으로 하는 냉장고의 냉기 제어장치.A refrigerator having a freezing compartment and a refrigerating compartment and having a temperature sensing unit in one side section of the product, wherein the refrigerator further comprises a human body sensor on a handle of a door installed at one side of the front side of the freezing compartment and the refrigerating compartment. . 사용자가 핸들을 잡았는 지를 판단하는 제1 단계와; 상기 제1 단계의 판단결과 사용자가 핸들을 잡았으면 압축기를 온시키고 또한 사용자가 핸들을 잡지 않았으면 그대로 냉동실 또는 냉장실의 온도감지부가 온도를 감지한 후 이 감지온도가 설정온도 범위 이내인 지를 판단하는 제2 단계와; 상기 제2 단계의 판단결과 감지온도가 설정온도범위 이내에 있지 않으면 상기 제1 단계로 궤환하고 감지온도가 설정온도 범위이내에 있으면 압축기를 오프시키는 제3 단계로 이루어진 것을 특징으로 하는 냉장고의 냉기 제어방법.A first step of determining whether the user has grabbed the handle; If the user grasps the handle, the compressor turns on the compressor. If the user does not grab the handle, the temperature sensing unit of the freezer compartment or the refrigerating chamber detects the temperature and determines whether the detected temperature is within the set temperature range. A second step; And a third step of returning to the first step if the detected temperature is not within the set temperature range and turning off the compressor if the detected temperature is within the set temperature range as a result of the determination of the second step.
KR1019970053928A 1997-10-21 1997-10-21 Device and method for controlling cool air of refrigerator KR100339532B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03244989A (en) * 1990-02-21 1991-10-31 Nippon Kentetsu Co Ltd Refrigerating cold show case
JPH05157431A (en) * 1991-12-11 1993-06-22 Sanyo Electric Co Ltd Control device for refrigerator
US5355686A (en) * 1993-08-11 1994-10-18 Micro Weiss Electronics, Inc. Dual temperature control of refrigerator-freezer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03244989A (en) * 1990-02-21 1991-10-31 Nippon Kentetsu Co Ltd Refrigerating cold show case
JPH05157431A (en) * 1991-12-11 1993-06-22 Sanyo Electric Co Ltd Control device for refrigerator
US5355686A (en) * 1993-08-11 1994-10-18 Micro Weiss Electronics, Inc. Dual temperature control of refrigerator-freezer

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