KR100280744B1 - How to control overheating of heater - Google Patents

How to control overheating of heater Download PDF

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Publication number
KR100280744B1
KR100280744B1 KR1019980053185A KR19980053185A KR100280744B1 KR 100280744 B1 KR100280744 B1 KR 100280744B1 KR 1019980053185 A KR1019980053185 A KR 1019980053185A KR 19980053185 A KR19980053185 A KR 19980053185A KR 100280744 B1 KR100280744 B1 KR 100280744B1
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South Korea
Prior art keywords
heater
overheating
temperature
room temperature
temperatures
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KR1019980053185A
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Korean (ko)
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KR20000038264A (en
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홍상원
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윤종용
삼성전자주식회사
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2064Arrangement or mounting of control or safety devices for air heaters
    • F24H9/2071Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00Air heaters
    • F24H3/02Air heaters with forced circulation
    • F24H3/022Air heaters with forced circulation using electric energy supply
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/1927Control of temperature characterised by the use of electric means using a plurality of sensors
    • G05D23/1928Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperature of one space

Abstract

난방기의 과열방지 제어방법을 개시한다. 개시된 본 발명은, 가열부를 구동시켜 실내온도를 상승시키는 난방기의 제어방법에 있어서, 복수의 실내온도에 따른 서로 다른 각각의 과열판단온도를 설정하고, 이 각각의 과열판단온도를 기준으로 상기 가열부의 과열상태를 판단하도록 한다. 또한, 상기 서로 다른 각각의 과열판단온도는, 실내온도가 낮을수록 낮게, 실내온도가 높을수록 높게 설정되는 것이 바람직하다. 따라서, 복수의 실내온도에 따라 각각의 과열판단온도를 설정하여 히터의 과열을 판단함으로써 오판으로 인한 난방기의 오동작을 방지함과 아울러, 실제 히터의 과열상태를 정확히 판단할 수 있다.A method for preventing overheating of a heater is disclosed. Disclosed is a control method of a heater for raising a room temperature by driving a heating unit, wherein different superheat determination temperatures are set according to a plurality of room temperatures, and the heating unit is based on the respective superheat determination temperatures. Determine overheating. In addition, it is preferable that each of the different superheat determination temperatures is set lower as the room temperature is lower and higher as the room temperature is higher. Therefore, by setting the respective overheating determination temperatures according to the plurality of indoor temperatures to determine the overheating of the heater, it is possible to prevent the malfunction of the heater due to the miscalculation and to accurately determine the overheating state of the actual heater.

Description

난방기의 과열방지 제어방법How to control overheating of heater

본 발명은 난방기의 과열방지 제어방법에 관한 것으로, 보다 상세하게는 히터의 과열을 미연에 방지하는 난방기의 과열방지 제어방법에 관한 것이다.The present invention relates to a method for preventing overheating of a heater, and more particularly, to a method for preventing overheating of a heater that prevents overheating of a heater in advance.

일반적으로 난방기는 실내온도를 상승시키는 장치로서, 가스 및 석유를 연소시키는 난로, 전기를 이용하여 발열체를 가열시키는 전기히터 등의 다양한 난방기들이 있다. 최근에는 가스 및 석유를 이용하는 난방기 보다 그 사용이 편리하고, 불쾌한 냄새를 유발시키지 않는 전기히터가 널리 이용되고 있는 추세이다. 또한, 이와 같은 난방기들은 화재의 위험을 해소하기 위하여 다양한 방법의 과열방지기술이 적용되고 있다.In general, the heater is a device for raising the room temperature, there are a variety of heaters, such as a stove for burning gas and oil, an electric heater for heating the heating element using electricity. Recently, electric heaters, which are more convenient to use than gas and oil heaters and do not cause an unpleasant odor, have been widely used. In addition, such heaters are applied with various methods of overheat prevention technology to reduce the risk of fire.

도 1은 히터를 이용한 일반적인 난방기를 나타낸 제어 블록도이고, 도 2는 종래 난방기의 과열방지 제어방법을 나타낸 순서도이다.FIG. 1 is a control block diagram illustrating a general heater using a heater, and FIG. 2 is a flowchart illustrating a method for controlling overheating of a conventional heater.

여기서, 도면부호 10은 전원부, 20은 키입력부, 30은 온도검출부, 40은 제어부, 50은 가열부, 그리고 60은 표시부이다. 가열부(50)는 통상 히터(51)와 송풍팬(52)으로 구성되고, 온도검출부(30)는 실내온도센서(31) 및 히터온도센서(32)로 구성된다. 전원부(10)는 난방기의 각부에 구동전원을 공급하고, 키입력부(20)는 사용자의 조작신호를 제어부(40)에 전달한다. 온도검출부(30)의 실내온도센서(31)는 실내온도를 검출하고, 히터온도센서(32)는 히터(51)의 온도를 각각 검출하여 제어부(40)에 전달한다. 제어부(40)는 키입력부(20) 및 온도검출부(30)로부터 인가되는 신호에 따라 가열부(50)의 히터(51) 및 송풍팬(52)을 동작시키고, 과열상태가 판단될 경우에는 가열부(50)의 동작을 차단시킨다. 표시부(60)는 제어부(40)에 의하여 난방기의 각종상태를 표시한다.Here, reference numeral 10 denotes a power supply unit, 20 a key input unit, 30 a temperature detection unit, 40 a control unit, 50 a heating unit, and 60 a display unit. The heating unit 50 is usually composed of a heater 51 and a blowing fan 52, the temperature detection unit 30 is composed of an indoor temperature sensor 31 and a heater temperature sensor (32). The power supply unit 10 supplies driving power to each part of the heater, and the key input unit 20 transmits a user's operation signal to the control unit 40. The room temperature sensor 31 of the temperature detector 30 detects the room temperature, and the heater temperature sensor 32 detects the temperature of the heater 51 and transmits the temperature to the controller 40. The control unit 40 operates the heater 51 and the blowing fan 52 of the heating unit 50 according to the signals applied from the key input unit 20 and the temperature detection unit 30, and when the overheating state is determined, the heating unit The operation of the unit 50 is blocked. The display unit 60 displays various states of the heater by the control unit 40.

도 2를 참조하여 상기와 같이 구성된 종래 난방기의 과열방지 제어방법을 상세히 설명하면 다음과 같다. 먼저, 사용자는 키입력부(20)를 조작하여 희망실내온도를 설정한 후 난방운전을 개시한다(S101~S102). 그러면, 키입력부(20)는 사용자의 조작신호를 제어부(40)에 전달하고, 온도검출부(30)의 실내온도센서(31)는 현재의 실내온도를 검출하여 제어부(40)에 전달한다(S103). 따라서, 제어부(40)는 실내온도가 사용자가 설정한 희망온도 미만인가를 판단하여 미만일 경우 가열부(50)의 히터(51) 및 송풍팬(52)을 온시켜 실내온도를 상승시키는 난방운전을 수행한다(S104~S105). 이와 같이 난방운전이 수행되는 상태에서 온도검출부(30)의 히터온도센서(32)는 히터(51)의 온도를 검출하여 제어부(40)에 전달한다(S106). 이때, 제어부(40)에는 과열판단온도(통상 120℃)가 미리 설정되어 있다. 따라서, 제어부(40)는 검출된 히터온도와 과열판단온도를 비교하여 상기 히터(51)가 과열상태인가를 판단하며(S107), 과열상태라고 판단될 경우에는 히터(51) 및 송풍팬(52)을 오프시킴과 동시에 표시부(60)를 통하여 "과열에러"를 표시한다(S108~S109).Referring to Figure 2 described in detail the overheat prevention control method of a conventional heater configured as described above are as follows. First, the user operates the key input unit 20 to set a desired room temperature, and then starts heating operation (S101 to S102). Then, the key input unit 20 transmits a user's operation signal to the control unit 40, the room temperature sensor 31 of the temperature detector 30 detects the current room temperature and transmits it to the control unit 40 (S103). ). Therefore, the controller 40 determines whether the indoor temperature is lower than the desired temperature set by the user, and when the temperature is lower, the controller 40 turns on the heater 51 and the blower fan 52 of the heating unit 50 to increase the indoor temperature. (S104 to S105). In this state, the heating operation is performed, the heater temperature sensor 32 of the temperature detector 30 detects the temperature of the heater 51 and transmits the temperature to the controller 40 (S106). At this time, overheating determination temperature (usually 120 degreeC) is preset in the control part 40. As shown in FIG. Therefore, the controller 40 determines whether the heater 51 is in an overheat state by comparing the detected heater temperature with the overheat determination temperature (S107). When it is determined that the heater is in an overheat state, the heater 51 and the blowing fan 52 are determined. At the same time, the "overheating error" is displayed through the display unit 60 (S108 to S109).

그러나, 이와 같은 종래 난방기의 과열방지 제어방법은, 과열판단온도가 실내온도와는 무관하게 단일의 값으로 설정되어 있으므로, 사용조건에 따라 가변되는 실내온도의 높고 낮음에 따라 히터의 실제 과열상태를 정확히 판단할 수 없는 문제점이 있었다.However, in the conventional method of controlling overheating of the heater, since the overheating judging temperature is set to a single value regardless of the room temperature, the actual overheating state of the heater is changed according to the high and low of the room temperature which varies according to the use conditions. There was a problem that can not be accurately determined.

따라서, 본 발명은 상기와 같은 제반 문제점을 해결하기 위하여 안출된 것으로서 그 목적은, 복수의 실내온도에 따라 각각의 과열판단온도를 설정함으로써 히터의 실제 과열상태를 정확히 판단하도록 한 난방기의 과열방지 제어방법을 제공함에 있다.Accordingly, the present invention has been made to solve the above problems, the purpose of which is to control the overheating of the heater to accurately determine the actual overheating state of the heater by setting the respective overheating judgment temperature according to a plurality of room temperature In providing a method.

도 1은 히터를 이용한 일반적인 난방기를 나타낸 제어 블록도,1 is a control block diagram showing a general heater using a heater,

도 2는 종래 난방기의 과열방지 제어방법을 나타낸 순서도,2 is a flowchart illustrating a method for controlling overheating of a conventional heater;

도 3은 본 발명의 바람직한 실시예에 따른 난방기의 과열방지 제어방법을 나타낸 순서도이다.3 is a flowchart illustrating a method for controlling overheating of a heater according to a preferred embodiment of the present invention.

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

10 : 전원부 20 : 키입력부10: power supply unit 20: key input unit

30 : 온도검출부 31 : 실내온도센서30: temperature detector 31: room temperature sensor

32 : 히터온도센서 40 : 제어부32: heater temperature sensor 40: control unit

50 : 가열부 51 : 히터50: heating part 51: heater

52 : 송풍팬 60 : 표시부52: blower fan 60: display unit

이와 같은 목적을 달성하기 위한 본 발명에 따른 난방기의 과열방지 제어방법의 특징은, 가열부를 구동시켜 실내온도를 상승시키는 난방기의 제어방법에 있어서, 복수의 실내온도에 따른 서로 다른 각각의 과열판단온도를 설정하고, 이 각각의 과열판단온도를 기준으로 상기 가열부의 과열상태를 판단하도록 한다.The overheat prevention control method of the heater according to the present invention for achieving the above object is, in the control method of the heater to increase the room temperature by driving the heating unit, each different overheating judging temperature according to a plurality of room temperature To determine the overheating state of the heating unit on the basis of each of the overheating determination temperature.

또한, 상기 서로 다른 각각의 과열판단온도는, 실내온도가 낮을수록 낮게, 실내온도가 높을수록 높게 설정되는 것이 바람직하다.In addition, it is preferable that each of the different superheat determination temperatures is set lower as the room temperature is lower and higher as the room temperature is higher.

따라서, 복수의 실내온도에 따라 각각의 과열판단온도를 설정하여 히터의 과열을 판단함으로써 오판으로 인한 난방기의 오동작을 방지함과 아울러, 실제 히터의 과열상태를 정확히 판단할 수 있다.Therefore, by setting the respective overheating determination temperatures according to the plurality of indoor temperatures to determine the overheating of the heater, it is possible to prevent the malfunction of the heater due to the miscalculation and to accurately determine the overheating state of the actual heater.

이하, 본 발명에 따른 난방기의 과열방지 제어방법의 바람직한 실시예를 첨부된 도면을 참조하여 상세히 설명하되, 종래와 동일한 구성요소는 동일부호를 적용한다.Hereinafter, a preferred embodiment of the overheat prevention control method of the heater according to the present invention will be described in detail with reference to the accompanying drawings, the same components as in the prior art apply the same reference numerals.

도 3은 본 발명의 바람직한 실시예에 따른 난방기의 과열방지 제어방법을 나타낸 순서도이다. 이를 참조하여 본 발명의 작용을 살펴보면, 사용자는 키입력부(20)를 조작하여 희망실내온도를 설정한 후 난방운전을 개시한다(S201~S202). 그러면, 키입력부(20)는 사용자의 조작신호를 제어부(40)에 전달하고, 온도검출부(30)의 실내온도센서(31)는 현재의 실내온도를 검출하여 제어부(40)에 전달한다(S203). 따라서, 제어부(40)는 실내온도가 사용자가 설정한 희망온도 미만인가를 판단하여 미만일 경우 가열부(50)의 히터(51) 및 송풍팬(52)을 온시켜 실내온도를 상승시키는 난방운전을 수행한다(S204~S205).3 is a flowchart illustrating a method for controlling overheating of a heater according to a preferred embodiment of the present invention. Looking at the operation of the present invention with reference to this, the user operates the key input unit 20 to set the desired room temperature and starts the heating operation (S201 ~ S202). Then, the key input unit 20 transmits a user's operation signal to the control unit 40, the room temperature sensor 31 of the temperature detector 30 detects the current room temperature and transmits it to the control unit 40 (S203). ). Therefore, the controller 40 determines whether the indoor temperature is lower than the desired temperature set by the user, and when the temperature is lower, the controller 40 turns on the heater 51 and the blower fan 52 of the heating unit 50 to increase the indoor temperature. It performs (S204-S205).

이와 같이 난방운전이 수행되는 상태에서 제어부(40)는 복수의 실내온도에 따른 서로 다른 각각의 과열판단온도를 설정하고, 이 각각의 과열판단온도를 기준으로 상기 가열부의 과열상태를 판단하도록 한다. 즉, 도 3에 도시된 바와 같이, 실내온도가 18℃ 이하일 경우에는 과열판단온도를 100℃로 설정하고(S206~S207), 실내온도가 19℃ 이상 25℃이하일 경우에는 과열판단온도를 120℃로 설정하며(S208~S209), 실내온도가 26℃ 이상일 경우에는 과열판단온도를 140℃로 각각 설정한다(S210~S211). 이때, 상기 서로 다른 각각의 과열판단온도는 실내온도와 비례하여 실내온도가 낮을수록 낮게, 실내온도가 높을수록 높게 설정되는 것이 바람직하다.In this state in which the heating operation is performed, the control unit 40 sets different superheat determination temperatures according to a plurality of indoor temperatures, and determines the overheat state of the heating unit based on the respective superheat determination temperatures. That is, as shown in Figure 3, when the indoor temperature is 18 ℃ or less set the overheating judging temperature to 100 ℃ (S206 ~ S207), if the indoor temperature is 19 ℃ 25 ℃ below 120 ℃ (S208 ~ S209), if the room temperature is 26 ℃ or more, the overheat judging temperature is set to 140 ℃ (S210 ~ S211). At this time, each of the different overheat determination temperature is preferably set as the lower the room temperature, the higher the higher the indoor temperature in proportion to the room temperature.

이후, 온도검출부(30)의 히터온도센서(32)는 히터(51)의 온도를 검출하여 제어부(40)에 전달한다(S212). 따라서, 제어부(40)는 검출된 히터온도와 각각의 실내온도에 따른 과열판단온도를 비교하여 상기 히터(51)가 과열상태인가를 판단하며(S213), 과열상태라고 판단될 경우에는 히터(51) 및 송풍팬(52)을 오프시킴과 동시에 표시부(60)를 통하여 "과열에러"를 표시한다(S214~S215).Thereafter, the heater temperature sensor 32 of the temperature detector 30 detects the temperature of the heater 51 and transmits the temperature to the controller 40 (S212). Therefore, the controller 40 compares the detected heater temperature with the overheat determination temperature according to each room temperature to determine whether the heater 51 is in an overheat state (S213), and when it is determined that the heater is in an overheat state, the heater 51. ) And the blower fan 52 are turned off, and the "overheating error" is displayed through the display unit 60 (S214 to S215).

상술한 바와 같이 본 발명에 따른 난방기의 과열방지 제어방법에 의하면, 복수의 실내온도에 따라 각각의 과열판단온도를 설정하여 히터의 과열을 판단함으로써 오판으로 인한 난방기의 오동작을 방지함과 아울러, 실제 히터의 과열상태를 정확히 판단할 수 있는 효과가 있다.As described above, according to the control method of preventing overheating of the heater according to the present invention, the overheating of the heater is determined by setting the respective overheating determination temperatures according to the plurality of indoor temperatures, thereby preventing the malfunction of the heater due to the misjudgment. There is an effect that can accurately determine the overheat state of the heater.

본 발명은 상술한 특정의 바람직한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형 실시가 가능한 것은 물론이고, 그와 같은 변경은 기재된 청구범위 내에 있게 된다.The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes are intended to fall within the scope of the claims set forth.

Claims (2)

가열부를 구동시켜 실내온도를 상승시키는 난방기의 제어방법에 있어서, 복수의 실내온도에 따른 서로 다른 각각의 과열판단온도를 설정하고, 이 각각의 과열판단온도를 기준으로 상기 가열부의 과열상태를 판단하도록 하는 것을 특징으로 하는 난방기의 과열방지 제어방법.In the control method of the heater to increase the room temperature by driving the heating unit, to set different overheat determination temperature according to a plurality of room temperature, and to determine the overheat state of the heating unit on the basis of the respective overheat determination temperature Control overheating of the heater, characterized in that. 제 1항에 있어서, 상기 서로 다른 각각의 과열판단온도는, 실내온도가 낮을수록 낮게, 실내온도가 높을수록 높게 설정되는 것을 특징으로 하는 난방기의 과열방지 제어방법.The method of claim 1, wherein each of the different superheat determination temperatures is set lower as the room temperature is lower, and as the room temperature is higher.
KR1019980053185A 1998-12-04 1998-12-04 How to control overheating of heater KR100280744B1 (en)

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