KR0142060B1 - Temperature control method of a refrigerator - Google Patents
Temperature control method of a refrigeratorInfo
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- KR0142060B1 KR0142060B1 KR1019940018592A KR19940018592A KR0142060B1 KR 0142060 B1 KR0142060 B1 KR 0142060B1 KR 1019940018592 A KR1019940018592 A KR 1019940018592A KR 19940018592 A KR19940018592 A KR 19940018592A KR 0142060 B1 KR0142060 B1 KR 0142060B1
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Abstract
본 발명은 2조식 냉장고에 있어 냉장실의 온도가 과상승되었을 때 냉장실의 온도를 보상하여줄 수 있도록 한 냉장고의 냉장실 온도상승시 냉각제어방법에 관한 것으로, 냉장실의 온도를 감지하는 온도감지소자(TH2)와, 냉각팬(F)을 구비한 냉장고의 제어방법에 있어서, 냉장실온도가 과상승온도인 제 1 소정온도로 검출되는가를 판단하는 과정과, 상기 제 1 소정온도가 검출되면 압축기(CP) 및 냉각팬(F)을 구동하는 과정과, 냉장실온도가 냉장실 보상온도인 제 2 소정온도에 이르렀는가를 판단하는 과정과, 상기 제 2 소정온도가 검출되면 통상운전으로 복귀하고, 냉장실의 온도가 제 1 소정온도 검출 후 일정시간이 경과하도록 제 2 소정온도가 검출되지 아니하면 통상운전으로 복귀하는 과정을 구비하여 된 것을 특징으로 한다.The present invention relates to a cooling control method for increasing the temperature of a refrigerator compartment to compensate for the temperature of the refrigerator compartment when the temperature of the refrigerator compartment is excessively increased in a two-chamber refrigerator, and a temperature sensing element for sensing the temperature of the refrigerator compartment (TH2 And a method of controlling a refrigerator having a cooling fan (F), the method comprising: determining whether the refrigerator compartment temperature is detected as a first predetermined temperature that is an excessive rise temperature, and when the first predetermined temperature is detected, the compressor (CP). And a process of driving the cooling fan F, determining whether the refrigerating chamber temperature reaches a second predetermined temperature, which is a refrigerating chamber compensation temperature, and when the second predetermined temperature is detected, returns to normal operation, and the temperature of the refrigerating chamber is And returning to normal operation if the second predetermined temperature is not detected so that a predetermined time passes after the first predetermined temperature is detected.
Description
제 1 도는 본 발명이 적용되는 냉장고의 개략적인 구성도,1 is a schematic configuration diagram of a refrigerator to which the present invention is applied;
제 2 도는 본 발명이 적용되는 냉장고의 회로도,2 is a circuit diagram of a refrigerator to which the present invention is applied;
제 3 도는 본 발명에 의한 작동 플로우 챠트.3 is an operational flow chart according to the present invention.
* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings
TH1, TH2: 온도감지소자,FM: 팬모터,TH1, TH2: temperature sensing element, FM: fan motor,
DM: 댐퍼, CP: 압축기,DM: Damper, CP: Compressor,
10: 마이컴,20: 냉동실 온도감지회로,10: microcomputer, 20: freezer temperature sensing circuit,
30: 냉장실 온도감지회로,40: 부하구동회로.30: refrigerating chamber temperature sensing circuit, 40: load driving circuit.
본 발명은 2조식 냉장고에 있어 냉장실의 온도가 과상승되었을 때 냉장실의 온도를 보상하여줄 수 있도록 한 냉장고의 냉장실 온도상승시 냉각제어방법에 관한 것이다.The present invention relates to a cooling control method when the temperature rises in the refrigerator compartment of the refrigerator to compensate for the temperature of the refrigerator compartment when the temperature of the refrigerator compartment is increased in the two-type refrigerator.
냉동실(2) 및 냉장실(3)이 별도로 구비된 제 1 도와 같은 2조식 냉장고(1)에 있어, 냉장실(3)에 부하(식품)가 많거나 냉장실 도어(5)의 개폐가 빈번하고, 상대적으로 냉동실(2)에는 부하가 없고 상당히 저온인 경우에는 압축기(CP)의 운전률은 적어지게 되는바, 이때 냉장실(3)의 온도가 급상승하게 되고 보관중인 식품에 치명적인 악영향을 미치게 되었다.In the two-chamber refrigerator 1, such as the first degree, in which the freezing compartment 2 and the refrigerating compartment 3 are separately provided, the refrigerating compartment 3 has a large load (food) or frequent opening / closing of the refrigerating compartment door 5, and As a result, there is no load in the freezer compartment 2 and the operation rate of the compressor CP decreases when the temperature is quite low. At this time, the temperature of the freezer compartment 3 rises rapidly and has a fatal adverse effect on the food being stored.
다시말해, 상기한 냉장실(3)의 온도상승시 만약, 냉동실(2)의 온도가 상당히 저온(압축기 정지온도)이라면 압축기(CP)가 정지되어 냉장실(3)의 냉기조절용 댐퍼(DM)가 열려 있어도 냉장실(3)은 냉각되지 않는다.In other words, when the temperature of the refrigerating compartment 3 rises, if the temperature of the refrigerating compartment 2 is very low (compressor stop temperature), the compressor CP is stopped to open the cold air control damper DM of the refrigerating compartment 3. Even if it exists, the refrigerating chamber 3 is not cooled.
또한, 종래의 기술중에는 압축기(CP)의 구동을 냉장실(3)의 온도에 의해서 온/오프(ON/OFF)시키는 기술도 있었으나, 필요이상으로 냉동실(2)이 냉각되거나 온도가 상승하는등 소비전력이 상승되는 문제, 혹은 냉동실(2)에 보관중인 식품에 문제가 발생할 소지가 있었다.In addition, in the related art, there has been a technique in which the driving of the compressor CP is turned on / off by the temperature of the refrigerating chamber 3, but the freezing chamber 2 is cooled or the temperature rises more than necessary. There was a problem that the power rises, or a problem in the food stored in the freezer (2).
이러한 문제를 개선하기 위하여 종래에는 냉각팬(F)구동용 릴레이를 따로 설치하여 냉장실(3)이 기준온도 이상으로 상승하면 압축기(CP)가 정지중에는 냉각팬(F)만을 구동시켜 냉장실(3)을 냉각시키는데 이용하였으나, 이는 냉동실(2)의 냉기를 빼서 냉장실(3)로 주는 것이기 때문에 냉장실(3)을 원하는 온도까지 냉각시키는데 필요한 시간이 길고, 냉각팬(F)구동용 릴레이를 따로 사용함에 따른 원가상승의 요인이 있었다.In order to solve such a problem, conventionally, a cooling fan (F) driving relay is installed separately, and when the refrigerating chamber (3) rises above the reference temperature, the compressor (CP) drives only the cooling fan (F) while the refrigerator (3) is stopped. However, since the cooling air in the freezer compartment (2) is removed and given to the refrigerating compartment (3), the time required for cooling the refrigerating compartment (3) to a desired temperature is long, and a cooling fan (F) driving relay is used separately. There was a factor of cost increase.
본 발명은 상기한 문제점을 감안하여 안출된 것으로, 본 발명의 목적은 냉장실의 온도가 어떤 이유로든 과상승되었을 때 냉장실의 온도를 저장된 식품이 변질되지 않는 온도로 낮추어 제한하도록한 냉장고 냉장실의 온도상승시 냉각제어방법을 제공하는 것에 있다.The present invention has been made in view of the above problems, an object of the present invention is to increase the temperature of the refrigerator refrigerator compartment to lower the temperature of the refrigerator compartment to a temperature at which the stored food is not altered when the temperature of the refrigerator compartment is elevated for any reason. Is to provide a cooling control method.
이와같은 목적을 달성하기 위한 본 발명은 냉장실의 온도를 감지하는 온도감지소자와, 냉각팬을 구비한 냉장고의 제어방법에 있어서, 냉장실온도가 과상승온도인 제 1 소정온도로 검출되는가를 판단하는 과정과, 상기 제 1 소정온도가 검출되면 압축기 및 냉각팬을 구동하는 과정과, 냉장실온도가 냉장실 보상온도인 제 2 소정온도에 이르렀는가를 판단하는 과정과, 상기 제 2 소정온도가 검출 후 일정시간이 경과하도록 제 2 소정온도가 검출되지 아니하면 통상운전으로 복귀하는 과정을 구비하여 된 것이다.In order to achieve the above object, the present invention provides a temperature sensing element for sensing a temperature of a refrigerating compartment and a control method of a refrigerator provided with a cooling fan, wherein the refrigerating compartment temperature is determined to be detected as a first predetermined temperature which is an excessive rise temperature. A process of driving a compressor and a cooling fan when the first predetermined temperature is detected, determining whether the refrigerator compartment temperature reaches a second predetermined temperature which is a refrigerator compensation temperature, and the second predetermined temperature is constant after the detection. If the second predetermined temperature is not detected so that time elapses, the process returns to normal operation.
이하, 첨부된 도면에 의거하여 본 발명을 보다 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
제 1 도는 본 발명이 적용되는 냉장고(1)의 개략적인 구성도를 나타낸 것으로, 냉동실(2)에는 냉동실의 온도를 감지하는 온도감지소자(TH1)와, 냉기를 발산하는 냉각기(4)와, 냉기를 냉각팬(F)을 회전시켜 냉동실(2)로 투입하는 팬모터(FM)가 구비되며, 냉장실(3)에는 냉장실(3)로 투입되는 냉기의 양을 조절하는 댐퍼(DM)와, 냉장실의 온도를 감지하는 온도감지소자(TH2)가 구비되며, 냉장실도어(5)와, 압축기(CP)도 구비되어 있다.1 is a schematic configuration diagram of a refrigerator 1 to which the present invention is applied. The freezing chamber 2 includes a temperature sensing element TH1 for sensing a temperature of a freezing chamber, a cooler 4 for emitting cold air, The fan motor (FM) is provided to rotate the cooling fan (F) into the freezer compartment (2), the refrigeration chamber (3) is provided with a damper (DM) for adjusting the amount of cold air introduced into the refrigerating compartment (3), A temperature sensing element TH2 for sensing the temperature of the refrigerating chamber is provided, and a refrigerating chamber door 5 and a compressor CP are also provided.
제 2 도는 본 발명이 적용되는 냉장고의 회로도를 나타낸 것으로, 본 발명에 의한 소정의 프로그램을 내장하고 기기의 전체동작에 대한 신호처리원인 마이컴(10)과, 온도감지소자(TH1), 저항(R1)(R2) 및 콘덴서(C1)(C2)로 이루어져 냉동실(2)의 온도를 감지하는 냉동실 온도감지회로(20)와, 온도감지소자(TH2), 저항(R3)(R4) 및 콘덴서(C3)(C4)로 이루어져 냉장실(3)의 온도를 감지하는 냉장실 온도감지회로(30)와, 저항(R5)(R6), 트랜지스터(Q), 릴레이(RY), 팬모터(FM) 및 압축기(CP)로 이루어져 상기 팬모터(FM) 및 압축기(CP)를 구동시키는 부하구동회로(40)을 포함하는 냉장고회로에 본 발명은 적용된다.2 is a circuit diagram of a refrigerator to which the present invention is applied, and includes a microcomputer 10, a temperature sensing element TH1, and a resistor R1, which is a signal processing source for the entire operation of the device, with a predetermined program according to the present invention. (R2) and condenser (C1) (C2) consisting of a freezer compartment temperature sensing circuit 20 for sensing the temperature of the freezer compartment 2, the temperature sensing element (TH2), resistor (R3) (R4) and condenser (C3) (C4) consisting of a refrigerating chamber temperature sensing circuit 30 for sensing the temperature of the refrigerating chamber (3), the resistor (R5) (R6), transistor (Q), relay (RY), fan motor (FM) and compressor ( The present invention is applied to a refrigerator circuit including a load driving circuit 40 composed of CP to drive the fan motor FM and the compressor CP.
또한, 상기 회로의 동작관계를 설명하면,In addition, when explaining the operation relationship of the circuit,
먼저, 냉동실 온도감지회로(20)의 온도감지소자(TH1)가 냉동실(2)의 어떤 온도를 감지하게 되면 감지하는 온도에 상응되도록 온도감지소자(TH1;THERMISTER)의 자체저항값이 가변되고, 이때 가변되는 저항에 의해 저항(R1)양단에 걸리는 전압이 가변되며, 이때의 가변된 전압이 감압저항(R2)을 통하고, 잡음제거용 콘덴서(C1)(C2)를 통해 마이컴(10)의 아날로그/디지탈 변환포트(P1)로 입력되어 마이컴(10)은 이때 입력되는 신호를 통해 냉동실(2) 온도를 인식한다.First, when the temperature sensing element TH1 of the freezing chamber temperature sensing circuit 20 senses a certain temperature of the freezing chamber 2, the self-resistance value of the temperature sensing element TH1 (THERMISTER) is changed to correspond to the sensing temperature. At this time, the voltage across the resistor R1 is varied by the variable resistor, and the variable voltage at this time is passed through the decompression resistor R2 and through the noise removing capacitor C1 and C2 of the microcomputer 10. The microcomputer 10 is input to the analog / digital conversion port P1 and recognizes the temperature of the freezer compartment 2 through the input signal.
또한, 냉동실 온도감지회로(30)는, 냉장실 온도감지회로(30)의 온도감지소자(TH2)가 냉장실(3)의 어떤 온도를 감지하게 되면 감지하는 온도에 상응되도록 온도감지소자(TH2)의 자체저항값이 가변되고, 이때 가변되는 저항에 의해 저항(R3)양단에 걸리는 전압이 가변되며, 이때의 가변된 전압이 감압저항(R4)을 통하고, 잡음제거용 콘덴서(C3)(C4)를 통해 마이컴(10)의 아날로그/디지탈 변환포트(P2)로 입력되어 마이컴(10)은 이때 입력되는 신호를 통해 냉장실(3)의 온도를 인식한다.In addition, the freezer compartment temperature detection circuit 30, when the temperature sensing element TH2 of the refrigerating compartment temperature sensing circuit 30 senses a certain temperature of the refrigerating compartment 3, the freezing chamber temperature sensing circuit 30 corresponds to a temperature detected by the temperature sensing element TH2. The self-resistance value is variable, and the voltage across the resistor R3 is varied by the variable resistor at this time, and the variable voltage at this time is passed through the decompression resistor R4, and the noise removing capacitor C3 and C4 are It is input through the analog / digital conversion port (P2) of the microcomputer 10 through the microcomputer 10 recognizes the temperature of the refrigerating chamber (3) through the input signal at this time.
또한, 부하구동회로(40)는, 마이컴(10)이 출력포트(P3)로 로우레벨신호를 출력하면, 출력된 로우레벨신호는 저항(R5)(R6)을 거쳐 트랜지스터(Q)를 턴온시키고 이 트랜지스터(Q)의 턴온으로 릴레이(RY)가 통전되어 압축기(CP) 및 팬모터(FM)는 구동된다.In addition, when the microcomputer 10 outputs the low level signal to the output port P3, the load driving circuit 40 turns on the transistor Q through the resistors R5 and R6. The relay RY is energized by the turn-on of the transistor Q so that the compressor CP and the fan motor FM are driven.
상기와 같은 구성에 적용되는 본 발명의 작용 효과를 제 3 도의 흐름도를 통하여 설명한다.Effects of the present invention applied to the above configuration will be described with reference to the flowchart of FIG.
먼저, 전원이 인가되면, 마이컴(10)은 입력포트(P2)로 입력되는 값을 검출하며 냉장실(3)의 온도가 과상승온도인 제 1 소정온도(예: 8℃)이상인가를 판단한다(S1 단계).First, when power is applied, the microcomputer 10 detects a value input to the input port P2 and determines whether the temperature of the refrigerating chamber 3 is equal to or greater than a first predetermined temperature (eg, 8 ° C.) that is an excessive rise temperature. (Step S1).
여기서, 냉장실(3)의 온도가 제 1 소정온도 미만으로 검출되면, 통상의 운전으로 복귀되어 제어(S5단계)되고, 냉장실(3)의 온도가 제 1 소정온도 이상으로 검출되면, 출력포트(P3)로 하이레벨신호를 출력하여 압축기(CP) 및 팬모터(FM)를 구동시킨다(S2 단계).Here, when the temperature of the refrigerating chamber 3 is detected below the first predetermined temperature, the operation returns to normal operation and is controlled (step S5), and when the temperature of the refrigerating chamber 3 is detected above the first predetermined temperature, the output port ( The high level signal is output to P3) to drive the compressor CP and the fan motor FM (step S2).
따라서, 냉각팬(F)이 회전되어 냉기는 댐퍼(DM)을 통해 냉장실(3)로 투입되고, 냉장실(3)의 온도는 하강하게 된다.Accordingly, the cooling fan F is rotated so that the cool air is introduced into the refrigerating chamber 3 through the damper DM, and the temperature of the refrigerating chamber 3 is lowered.
냉장실 온도감지회로(30)을 통해 다시 냉장실(3)의 온도를 검출하되, 냉장실(3)의 온도가 과상승으로부터의 보상온도인 제 2 소정온도(예: 4℃) 이하인가를 판단한다(S3단계).The temperature of the refrigerating chamber 3 is detected again through the refrigerating chamber temperature sensing circuit 30, and it is determined whether the temperature of the refrigerating chamber 3 is below a second predetermined temperature (eg, 4 ° C.), which is a compensation temperature from an excessive rise ( Step S3).
여기서, 냉장실(3)의 온도가 제 2 소정온도 이하일 경우에는 통상의 운전으로 제어(S5단계) 복귀하며, 냉장실(3)의 온도가 4℃이하가 아닌경우로 검출되면, 상기 제 1 소정온도가 검출되어 상기 압축기(CP) 및 팬모터(FM)가 구동된 직후부터 경과된 시간이 일정시간(예: 2시간)이 경과되었는가를 판단한다(S4단계).Here, when the temperature of the refrigerating chamber 3 is less than or equal to the second predetermined temperature, the control returns to normal operation (step S5), and when it is detected that the temperature of the refrigerating chamber 3 is not 4 ° C. or less, the first predetermined temperature is detected. Is detected, and it is determined whether a predetermined time (for example, 2 hours) has elapsed since the time immediately after the compressor CP and the fan motor FM are driven (step S4).
상기 S4단계에서 일정시간이 경과되지 아니하였다면, 압축기(CP) 및 팬모터(FM)를 계속하여 구동시키나, 상기 일정시간이 경과하였음에도 냉장실(3)의 온도가 제 2 소정온도 이하로 검출되지 아니하면, 냉장실(3)의 사용조건을 사용중지로 전환한 것으로 판단하여 상기 약냉방지기능을 중지시키게 되며, 동시에 통상의 제어(S5단계)로 복귀된다.If the predetermined time has not elapsed in the step S4, the compressor CP and the fan motor FM are continuously driven, but the temperature of the refrigerating chamber 3 is not detected below the second predetermined temperature even after the predetermined time has elapsed. If it is determined that the use condition of the refrigerating chamber 3 has been switched to stop use, the weak cooling prevention function is stopped, and at the same time, the control returns to normal control (step S5).
이상에서와 같이 본 발명은 냉장실(3)의 온도가 필요이상으로 올라가면 압축기(CP)와 냉각팬(F)을 냉장실 온도감지소자(TH2)에 의해 강제적으로 돌려주기 때문에 냉각속도가 종래의 약냉방지 시스템보다 훨씬 빨라 냉장실(3)온도의 회복이 빨라진다. 또 별도의 냉각팬을 제어하는 릴레이가 필요없기 때문에 비용이 절감되고, 제품의 신뢰성도 높일 수 있는 유용한 발명이다.As described above, according to the present invention, when the temperature of the refrigerating compartment 3 rises more than necessary, the compressor CP and the cooling fan F are forcibly turned by the refrigerating compartment temperature sensing element TH2. Much faster than the support system, so the recovery of the refrigerating compartment (3) temperature is faster. In addition, it is a useful invention that can reduce the cost and increase the reliability of the product because there is no need for a relay to control a separate cooling fan.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019940018592A KR0142060B1 (en) | 1994-07-29 | 1994-07-29 | Temperature control method of a refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019940018592A KR0142060B1 (en) | 1994-07-29 | 1994-07-29 | Temperature control method of a refrigerator |
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| Publication Number | Publication Date |
|---|---|
| KR0142060B1 true KR0142060B1 (en) | 1998-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019940018592A KR0142060B1 (en) | 1994-07-29 | 1994-07-29 | Temperature control method of a refrigerator |
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| KR (1) | KR0142060B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100748800B1 (en) * | 1999-11-16 | 2007-08-13 | 제너럴 일렉트릭 캄파니 | Refrigeration system with independent compartment temperature control |
| KR20180073897A (en) | 2016-12-23 | 2018-07-03 | 김영숙 | Effervescent tablet type moss remover composition and moss remover manufactured by using the same |
-
1994
- 1994-07-29 KR KR1019940018592A patent/KR0142060B1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100748800B1 (en) * | 1999-11-16 | 2007-08-13 | 제너럴 일렉트릭 캄파니 | Refrigeration system with independent compartment temperature control |
| KR20180073897A (en) | 2016-12-23 | 2018-07-03 | 김영숙 | Effervescent tablet type moss remover composition and moss remover manufactured by using the same |
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