KR0125725B1 - Heating control method of microwave oven - Google Patents

Heating control method of microwave oven

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Publication number
KR0125725B1
KR0125725B1 KR1019940013939A KR19940013939A KR0125725B1 KR 0125725 B1 KR0125725 B1 KR 0125725B1 KR 1019940013939 A KR1019940013939 A KR 1019940013939A KR 19940013939 A KR19940013939 A KR 19940013939A KR 0125725 B1 KR0125725 B1 KR 0125725B1
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KR
South Korea
Prior art keywords
humidity level
humidity
warming
level
present
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KR1019940013939A
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Korean (ko)
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KR960001632A (en
Inventor
이재영
Original Assignee
배순훈
대우전자주식회사
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Application filed by 배순훈, 대우전자주식회사 filed Critical 배순훈
Priority to KR1019940013939A priority Critical patent/KR0125725B1/en
Publication of KR960001632A publication Critical patent/KR960001632A/en
Application granted granted Critical
Publication of KR0125725B1 publication Critical patent/KR0125725B1/en

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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/6447Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors
    • H05B6/6458Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors using humidity or vapor sensors
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/66Circuits
    • H05B6/68Circuits for monitoring or control
    • H05B6/687Circuits for monitoring or control for cooking

Abstract

The automatic warming control method of a microwave oven comprises the steps of: previously storing a humidity level at a warming completion point obtained through the cooking experimentation as a reference humidity level, and sensing a present humidity after presetting a humidity sensor upon performing an automatic warming; judging whether the present humidity level reaches the reference humidity level; terminating the warming operation, if the present humidity level reaches the preset reference humidity level; subtracting the former humidity level from the present humidity level every given time, if the sensed humidity level did not reach the reference level; and terminating the cooking, if the present humidity is reduced as a result of subtraction, and storing the present humidity level as former humidity level to repeat the above steps, if it is not reduced.

Description

전자렌지의 자동데우기 제어방법Auto warming control method of microwave oven

제1도는 (가) 및 (나)는 종래 전자렌지의 자동데우기시의 정상 및 조리실패시의 습도감지 파형도.1 is (a) and (b) is a waveform diagram of humidity detection during normal heating and cooking failure in a conventional microwave oven.

제2도는 본 발명에 의한 전자렌지의 자동데우기 제어장치 블록도.2 is a block diagram of an automatic warming control apparatus for a microwave oven according to the present invention.

제3도는 본 발명에 의한 전자렌지의 자동데우기 제어 흐름도.3 is a flow chart for auto warming control of a microwave oven according to the present invention.

제4도는 본 발명에 의한 전자렌지의 자동데우기의 습도감지 파형도.4 is a humidity detection waveform diagram of the automatic warming of the microwave oven according to the present invention.

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

11 : 키보드12 : 센서부11 keyboard 12 sensor

13 : 마이컴14 : 표시부13: microcomputer 14: display unit

15 : 부하구동부15: load driving section

본 발명은 전자렌지의 자동데우기 제어방법에 관한 것으로, 특히, 주위환경이나 음식물의 상태에 따라 조리실험으로 정한 기준 습도레벨에 도달하지 못하거나 늦게 도달되어 원하는 데우기 온도보다 너무 높거나 타버리는 조리실패를 방지하고자 하는 전자렌지의 자동데우기 제어방법에 관한 것이다.The present invention relates to an automatic heating control method for a microwave oven, and in particular, a cooking failure that fails to reach a reference humidity level determined by a cooking experiment or is late, depending on the surrounding environment or food condition, so that the heating temperature is too high or burned out. It relates to an automatic warming control method of the microwave oven to prevent.

일반적으로 전자렌지에는 데우기 기능이 있는데, 자동데우기는, 조리실험에 의해 미리 일정한 습도레벨을 정해서 저장하여 두고, 자동데우기를 시작시키면, 마그네트론을 구동시켜 가열을 시작하고, 습도센서를 프리세트시킨 후 습도를 감지한다.In general, the microwave has a heating function, the automatic warming, by setting a predetermined humidity level in advance by the cooking experiment, and stored, when the automatic heating starts, the magnetron starts to heat up, and the humidity sensor is preset Detect humidity

감지되는 습도레벨이 상기 조리실험에 의해 미리 구해서 저장시킨 일정한 기준 습도레벨에 도달되면, 마그네트론의 구동을 중지시키고 부저를 울려서 자동데우기가 완료되었음을 알리고 종료하도록 되어 있다.When the detected humidity level reaches a predetermined reference humidity level previously obtained and stored by the cooking experiment, the magnetron is stopped and the buzzer is sounded to indicate that the auto warming is completed.

그러나, 이와 같은 종래 전자렌지의 자동데우기 제어방법은 제1도 (가)에 도시된 바와 같이 데우기를 위한 음식물을 가열하였을 때, 습도감지값이 증가되어 미리 정해둔 일정한 기준 습도레벨에 도달되면 정상적인 데우기가 수행되나, 음식물을 랩 등에 포장한 상태로 데우기를 하거나, 주위환경 등의 원인으로 인해서 제1도 (나)에 도시된 바와 같이 감지되는 습도값이 미리 정해둔 일정한 기준 습도레벨에 도달되지 못하게 되면, 데우기 종료를 시키지 못하고 계속 가열하기 때문에 데우기를 실패하고 음식물이 타버리게 된다.However, the automatic heating control method of the conventional microwave oven, when heating the food for warming, as shown in Figure 1 (a), when the humidity detection value is increased to reach a predetermined reference humidity level that is predetermined The warming is performed, but the food is wrapped in a wrap or the like, or due to the surrounding environment, the detected humidity value as shown in FIG. 1 (b) does not reach a predetermined reference humidity level. If it does not, the warming will fail to complete and the heating will fail, causing the food to burn out.

본 발명은 이러한 종래 문제점을 개선시키기 위한 것으로서, 자동데우기시 설정된 기준 습도레벨에 도달되지 않더라도 타거나 과하게 가열됨을 방지하고 알맞은 데우기를 구현시킬 수 있도록 한 전자렌지의 자동데우기 제어방법을 제공함에 목적이 있다.The present invention has been made in an effort to provide an automatic heating control method for a microwave oven that prevents burning or excessive heating and implements a proper warming even when the reference humidity level is not reached. have.

이와 같은 본 발명은, 조리실험에 의해 데우기 완료 시점에서의 습도레벨을 기준 습도레벨로 구하여 미리 저장하고, 자동데우기 수행시에 현재습도를 감지하여 상기 기준 습도레벨에 도달되었는지를 판단하고, 감지된 습도레벨이 기준 습도레벨에 도달되었으면, 데우기를 종료하고, 감지된 습도레벨이 기준 습도레벨에 도달되지 않았으면, 일정시간마다 현재 습도레벨과 이전 습도레벨을 비교하여 현재 습도가 감소되었으면, 조리를 종료하며, 감소되지 않았으면 현재 습도레벨을 이전 습도레벨로 저장하고 상기 과정을 반복하도록 함으로써, 달성되는 것으로서, 이와 같은 본 발명에 의하면, 자동데우기시에 습도레벨이 기준 습도레벨에 도달되지 않더라도 습도값이 감소되면 데우기를 중단시키므로, 타거나 과하게 조리됨을 방지할 수 있게 되는 것이다As described above, the present invention obtains the humidity level at the time of completion of warming by a cooking experiment as a reference humidity level and stores it in advance, and detects the current humidity at the time of performing the automatic warming to determine whether the reference humidity level has been reached. If the humidity level has reached the reference humidity level, the warming is terminated. If the detected humidity level has not reached the reference humidity level, the cooking process is repeated if the current humidity has been reduced by comparing the current humidity level with the previous humidity level at a certain time. And, if not decreased, by storing the current humidity level as the previous humidity level and repeating the above process, according to the present invention, even when the humidity level does not reach the reference humidity level during automatic warming, A decrease in value stops warming, thus preventing burning or overcooking The

이하, 본 발명에 의한 실시예를 첨부된 도면을 참조해서 상세히 설명하면 다음과 같다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

제2도는 본 발명에 의한 전자렌지의 자동데우기 제어방법을 구현시키기 위한 조리제어장치 블록도로서, 이에 도시한 바와 같이 자동데우기키를 포함한 전자렌지의 각종 조리제어를 위한 키신호를 입력시킬 수 있는 키보드(11)와, 자동데우기 및 자동조리제어를 위한 습도를 감지하는 습도센서를 포함한 센서부(12)와, 자동조리제어 프로그램 및 각 조리데이타 등을 미리 저장하여 두고 상기 키보드(11)의 키신호 및 상기 센서부(12)의 감지신호에 의거하여 조리제어를 함과 아울러 본 발명에 의한 자동데우기 제어를 하는 마이컴(13)과, 그 마이컴(13)의 제어에 의해 필요한 각종 표시를 하는 표시부(14)와, 상기 마이컴(13)의 제어에 의해 마그네트론, 히터, 팬모터, 턴테이블모터 및 각종 부하들을 구동시키는 부하구동부(15)를 포함하여 구성된다.2 is a block diagram of a cooking control apparatus for implementing an automatic warming control method of a microwave oven according to the present invention. As shown in FIG. 2, key signals for various cooking control of a microwave oven including an automatic warming key may be input. The keyboard 11, a sensor unit 12 including a humidity sensor for sensing the humidity for automatic warming and automatic cooking control, an automatic cooking control program and each cooking data are stored in advance, and the keys of the keyboard 11 are stored. The microcomputer 13 performs cooking control on the basis of the signal and the detection signal of the sensor unit 12 and performs automatic warming control according to the present invention, and a display unit for displaying various kinds of displays necessary by the control of the microcomputer 13. 14 and a load driver 15 for driving a magnetron, a heater, a fan motor, a turntable motor, and various loads under the control of the microcomputer 13.

이와 같은 전자렌지의 조리 제어장치에 의해 수행되는 본 발명에 의한 전자렌지의 자동데우기 제어방법은, 제3도에 도시된 바와 같이 조리실험에 의해 데우기 완료 시점에서의 습도레벨을 기준 습도레벨로 구하여 미리 저장하여 두고, 자동데우기 수행시에 습도센서를 프리세트시킨 뒤 현재 습도를 감지하는 단계와, 현재 습도레벨이 상기 기준 습도레벨에 도달되었는지를 비교하는 단계와, 감지된 현재의 습도레벨이 미리 설정된 기준 습도레벨에 도달되었으면, 데우기를 종료하는 단계와, 감지된 습도레벨이 기준 습도레벨에 도달되지 않았으면, 일정시간(△t) 마다 현재 습도레벨에서 이전 습도레벨을 감산하는 단계와, 그 감산결과 현재습도가 감소되었으면, 조리를 종료하며, 감소되지 않았으면 현재 습도레벨을 이전 습도레벨로 저장하고 상기 과정을 반복하는 단계를 수행하도록 이루어진다.The automatic heating control method of the microwave oven according to the present invention carried out by the cooking control apparatus of the microwave as described above, as shown in FIG. Pre-store the humidity sensor when the automatic warming is performed, detecting the current humidity, comparing the current humidity level to the reference humidity level, and the detected current humidity level in advance If the set reference humidity level is reached, ending the warming; if the detected humidity level does not reach the reference humidity level, subtracting the previous humidity level from the current humidity level at a predetermined time (Δt); If the current humidity is reduced, the cooking ends. If not, the current humidity level is stored as the previous humidity level. Made to carry out the step of repeating.

이와 같이 이루어진 본 발명에 의하면, 종래 자동데우기 프로그램에서와 마찬가지로 조리실험에 의해 데우기 완료 시점에서의 습도레벨을 기준 습도레벨로 구하여 미리 저장하여 둔다.According to the present invention made as described above, as in the conventional automatic warming program, the humidity level at the time of completion of warming by the cooking experiment is obtained as the reference humidity level and stored in advance.

그리고, 자동데우기 수행시에 가열을 시작한 후 습도센서를 프리세트시키고, 현재 습도를 감지한다.After the heating starts, the humidity sensor is preset, and the current humidity is detected.

감지된 현재 습도레벨과 상기 미리 저장된 기준 습도레벨을 비교하여 현재 습도레벨이 기준 습도레벨에 도달되었는지를 판단하고, 감지된 현재의 습도레벨이 미리 설정된 기준 습도레벨에 도달되었으면, 데우기를 종료하게 된다.By comparing the detected current humidity level with the previously stored reference humidity level, it is determined whether the current humidity level reaches the reference humidity level, and when the detected current humidity level reaches the preset reference humidity level, the warming is terminated. .

상기 감지된 습도레벨이 기준 습도레벨에 도달되지 않았으면, 제4도에 도시된 바와 같이 일정시간(△t)이 경과되었는지를 판단하고, 일정시간(△t)이 경과되지 않았으면, 일정시간(△t) 카운트를 하면서 상기 습도감지 단계부터 반복하며, 기준 습도레벨에 도달되지 않은 상태에서 일정시간(△t)이 경과되면, 그 일정시간(△t)을 초기화시키고 다시 일정시간 주기를 카운트하며, 이어서 현재 습도레벨에서 이전 습도레벨을 감산한다.If the detected humidity level does not reach the reference humidity level, it is determined whether a predetermined time (Δt) has elapsed as shown in FIG. 4, and if the predetermined time (Δt) has not elapsed, a predetermined time (Δt) Counting and repeating from the humidity detection step, if a predetermined time (△ t) has elapsed in the state of not reaching the reference humidity level, initializes the predetermined time (△ t) and counts a certain period of time again Subsequently, the previous humidity level is subtracted from the current humidity level.

그 감산결과 현재습도가 감소되었으면, 조리물에서의 습도발생이 줄어들었으므로, 데우기가 완료된 것으로 판단하여 조리를 종료하며, 습도량이 감소되지 않고 증가되었으면, 현재 습도레벨을 이전 습도레벨로 저장하고 상기 습도감지부터 반복하게 된다.If the current humidity is reduced as a result of the subtraction, since the occurrence of humidity in the food is reduced, it is determined that the warming is complete, and the cooking is finished. If the humidity is increased without decreasing, the current humidity level is stored as the previous humidity level and the Repeated humidity detection.

따라서, 현재 습도레벨이 기준 습도레벨에 도달되었는지를 판단하여 데우기 종료를 제어하는 과정은, 종래 자동데우기 조리제어와 동일한 방법으로 데우기 제어를 하는 것이며, 본 발명에서는 자동데우기시에 음식물에서 발생되는 습도가 상기 미리 정해진 기준 습도레벨에 도달되지 못하여 데우기 조리가 실패되는 것을 방지하기 위한 것으로서, 제4도에 도시된 바와 같이 기준 습도레벨에 도달될 때까지 일정시간(△t)을 주기로 습도변화(△t)를 판단하여 습도레벨이 감소되면, 데우기 조리를 종료하게 된다.Therefore, the process of controlling the end of warming by determining whether the current humidity level reaches the reference humidity level is to control the warming in the same manner as the conventional automatic warming cooking control, and in the present invention, the humidity generated in the food during the automatic warming. Is to prevent the warming cooking failure due to the failure to reach the predetermined reference humidity level. As shown in FIG. 4, the humidity change (Δt) is repeated at a predetermined time (Δt) until the reference humidity level is reached. When t) is determined and the humidity level is decreased, the warming cooking is terminated.

이상에서 상세히 설명한 바와 같이 본 발명에 의하면, 자동데우기시에 기준 습도레벨에 도달되지 못하여 음식물이 타거나 과하게 조리되는 문제점을 방지할 수 있는 효과가 있다.According to the present invention as described in detail above, there is an effect that can prevent the problem that the food is burned or excessively cooked because it does not reach the reference humidity level during automatic warming.

Claims (1)

조리실험에 의해 데우기 완료 시점에서의 습도레벨을 기준 습도레벨로 구하여 미리 저장하여 두고, 자동데우기 수행시에 습도센서를 프리세트시킨 뒤 현재 습도를 감지하는 단계와, 현재 습도레벨이 상기 기준 습도레벨에 도달되었는지를 비교하는 단계와, 감지된 현재의 습도레벨이 미리 설정된 기준 습도레벨에 도달되었으면, 데우기를 종료하는 단계와, 감지된 습도레벨이 기준 습도레벨에 도달되지 않았으면, 일정시간마다 현재 습도레벨에서 이전 습도레벨을 감산하는 단계와, 그 감산결과 현재습도가 감소되었으면, 조리를 종료하며, 감소되지 않았으면 현재 습도레벨을 이전 습도레벨로 저장하고 상기 과정을 반복하는 단계를 수행하도록 이루어진 것을 특징으로 하는 전자렌지의 자동데우기 제어방법.Obtaining the humidity level at the time of completion of the warming by the cooking experiment as the reference humidity level and storing it in advance, presetting the humidity sensor when performing the automatic warming, and detecting the current humidity, and the current humidity level is the reference humidity level. Comparing whether the temperature is reached, if the detected current humidity level has reached the preset reference humidity level, ending the warming up, and if the detected humidity level has not reached the reference humidity level, Subtracting the previous humidity level from the humidity level, and if the current humidity is reduced as a result of the subtraction, ending cooking, and if not, storing the current humidity level as the previous humidity level and repeating the above process. Auto warming control method of a microwave oven, characterized in that.
KR1019940013939A 1994-06-20 1994-06-20 Heating control method of microwave oven KR0125725B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100389393B1 (en) * 2000-09-01 2003-06-27 주식회사 엘지이아이 Method for controlling safety of microwave oven

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100389393B1 (en) * 2000-09-01 2003-06-27 주식회사 엘지이아이 Method for controlling safety of microwave oven

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