KR940000882B1 - Igniting method for hot air space heater - Google Patents

Igniting method for hot air space heater Download PDF

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KR940000882B1
KR940000882B1 KR1019890016018A KR890016018A KR940000882B1 KR 940000882 B1 KR940000882 B1 KR 940000882B1 KR 1019890016018 A KR1019890016018 A KR 1019890016018A KR 890016018 A KR890016018 A KR 890016018A KR 940000882 B1 KR940000882 B1 KR 940000882B1
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fuel
ignition
combustion
ignited
heater
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KR900014819A (en
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히로시 야마구찌
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미쯔비시 덴끼 가부시기가이샤
시끼 모리야
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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
    • F24H3/00Air heaters
    • F24H3/02Air heaters with forced circulation
    • F24H3/04Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Direct Air Heating By Heater Or Combustion Gas (AREA)
  • Control Of Combustion (AREA)

Abstract

내용 없음.No content.

Description

온풍난방기의 착화방법Ignition Method of Hot Air Heater

제1도는 본 발명의 일실시예인 착화동작의 플로차트도.1 is a flowchart of an ignition operation according to an embodiment of the present invention.

제2도는 종래의 온풍낭방기의 구성을 나타낸 단면도.2 is a cross-sectional view showing the configuration of a conventional warm air bag.

제3도는 종래의 착화동작의 플로차트도.3 is a flowchart of a conventional ignition operation.

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

1 : 연소부 2 : 연료탱크1: combustion part 2: fuel tank

3 : 연료펌프 4 : 정유면기3: fuel pump 4: oil refinery

5 : 가압실 6 : 송풍기5: pressurized chamber 6: blower

7 : 가압공기도입구 8 : 연료공급관7: Pressurized air inlet 8: Fuel supply pipe

9 : 호스9: hose

본 발명은 온풍난방기의 착화방법에 관한 것이다.The present invention relates to a ignition method of a warm air heater.

제2도는 종래의 온풍난방기의 단면도이며, 도면중 (1)은 연소부, (2)는 연료탱크, (3)은 연료펌프, (4)는 정유면기(定油面器), (5)는 가압실, (6)은 송풍기, (7)은 가압공기도입구, (8)은 연료공급관, (9)는 호스이다.2 is a cross-sectional view of a conventional warm air heater, in which (1) is a combustion unit, (2) is a fuel tank, (3) is a fuel pump, (4) is an oil level machine (5) Is a pressurized chamber, 6 is a blower, 7 is a pressurized air inlet, 8 is a fuel supply pipe, and 9 is a hose.

도면에 있어서, 송풍기(6)에 의해 압송된 공기의 일부는 호스를 통해 가압공기도입구(7)로부터 정유면기(4)내에 송출된다. 또, 연료탱크(2)내의 연료(등유)는 연료펌프(3)에 의해 정유면기(4)내에 송출되어 일정 유면(油面)으로 유지되며, 상기 가압공기에 의해 연료공급관(8)을 거쳐 연소부(1)내에 송출된다. 그리고, 연료가 연료공급관(8)을 거쳐 송출되기 위하여는 상기 가압공기의 압력은 연료공급관(8)의 최상부 A점과 정유면기(4)의 유면과의 압력차 이상이 아니면 안된다.In the figure, a part of the air pushed by the blower 6 is discharged from the pressurized air inlet 7 into the oil refinery 4 through a hose. In addition, the fuel (kerosene) in the fuel tank 2 is discharged into the oil refinery 4 by the fuel pump 3 and is maintained at a constant oil level, and is passed through the fuel supply pipe 8 by the pressurized air. It is sent out in the combustion part 1. In order for the fuel to be discharged through the fuel supply pipe 8, the pressure of the pressurized air must be equal to or greater than the pressure difference between the top A point of the fuel supply pipe 8 and the oil level of the oil level plane 4.

연소부(1)내에 있어서의 연소상태는 연소부(1)에 송출되는 연료량에 의해 변화한다. 즉, 송풍기(6)의 회전수를 크게 하여 공기압을 올리면 연소부(1)내에 송출되는 연료의 양은 증가하여 연소량은 커지며, 역으로 송풍기의 회전수를 작게 하면 연소량은 작아진다. 즉, 송풍기의 회전수를 변화시킴으로써 연소량을 연속적으로 변화시킬 수 있도록 구성되어 있다.The combustion state in the combustion part 1 changes with the amount of fuel sent to the combustion part 1. That is, when the air pressure is increased by increasing the rotation speed of the blower 6, the amount of fuel sent out in the combustion section 1 increases, and the combustion amount is increased. Conversely, when the rotation speed of the blower is reduced, the combustion amount is decreased. That is, it is comprised so that combustion amount can be changed continuously by changing the rotation speed of a blower.

난방기의 운전에 있어서는, 난방기의 사용자가 개시버튼을 누르면 다음의 동작이 자동적으로 행하여진다. 즉, 송풍기(6)가 회전을 개시하여 연료를 연소부(1)에 보낸다. 한편, 연소부내의 기화통(도시하지 않음)이 전열히터로 가열되고, 상기 송출되는 연료를 기화하고, 이어서 고압방전에 의해 기화된 연료에의 착화를 행한다. 착화 후에는 사용자가 정한 설정온도를 유지하도록 난방부하에 따라 자동적으로 연소량을 가감하여 운전되는 것이다. 또한, 착화시 연소부에 보내는 연료의 양은 상기 연소량 강(强)의 상태 즉 송풍기의 회전수틀 올린상태에 있다. 제3도는 상기 동작의 플로차트도이다.In the operation of the heater, the following operation is automatically performed when the user of the heater presses the start button. That is, the blower 6 starts rotation and sends fuel to the combustion part 1. On the other hand, a gasification cylinder (not shown) in the combustion section is heated by an electrothermal heater, and the fuel sent out is vaporized, followed by ignition of the vaporized fuel by high pressure discharge. After ignition, the combustion amount is automatically controlled according to the heating load to maintain the set temperature set by the user. In addition, the amount of fuel sent to the combustion unit at the time of ignition is in the state of the combustion amount steel, that is, in the state in which the rotary frame of the blower is raised. 3 is a flowchart of the operation.

그런데, 난방기에 있어서, 착화시 연료를 연소량의 강의 상태 즉 대량으로 연소부(1)에 보내주면, 저온의 연료에 의해 기화통의 온도가 내려가고, 경우에 따라서는 착화되지 않거나, 착화되어도 바로 꺼지는 수가 있었으며, 이것이 종래의 난방기의 결점으로 되어 있다. 더욱이, 착화시 대량의 연료를 사용하므로 착화음이 큰 것도 문제였다.By the way, in the heater, when the fuel is ignited at the time of ignition, when the fuel is sent to the combustion unit 1 in a large amount of the state of the combustion amount, the temperature of the gasification cylinder is lowered by the low temperature fuel, and in some cases, it is not ignited or immediately It could be extinguished, which is a drawback of conventional heaters. Moreover, a large ignition sound was a problem because a large amount of fuel is used for ignition.

이것을 해결하기 위하여는 착화시의 연소량을 약(弱)으로 하는 것을 생각할 수 있다. 즉, 착화시의 연료를 적게 해주면 되며, 그 결과 연소부의 온도저하는 방지되고, 착화음도 작아진다. 그러나, 착화시의 연소량의 저하에 맞추어 송풍기(6)의 송풍량을 억제하면, 공기압이 저하되어, 연료가 연로공급관(8)의 최상부 A점까지 도달하지 않게 되고, 착화할 수 없게 되는 것이다.In order to solve this, it is conceivable to make the combustion amount at the time of ignition weak. That is, the fuel at the time of ignition may be reduced, and as a result, the temperature decrease of the combustion part is prevented and the ignition sound is also reduced. However, if the blowing amount of the blower 6 is suppressed in accordance with the decrease in the combustion amount at the time of ignition, the air pressure decreases, and the fuel does not reach the uppermost point A of the fuel supply pipe 8, and the ignition cannot be performed.

본 발명은 상기한 바와 같은 종래 온풍난방기의 착화방법의 문제점을 해소하기 위해 이루어진 것으로서, 온풍난방기의 기기의 구성을 변경하지 않고도, 착화시의 소화(消火)를 방지하고, 착화음을 작게 할 수 있는 온풍난방기의 착화방법을 제공하고자 하는 것이다.The present invention has been made to solve the problems of the conventional ignition method of the hot air heater as described above, it is possible to prevent the fire during ignition and to reduce the ignition sound without changing the configuration of the device of the hot air heater. It is to provide a ignition method of a warm air heater.

상기 목적을 달성하기 위한 본 발명의 온풍난방기의 착화방법은 다음과 같다.The ignition method of the warm air heater of the present invention for achieving the above object is as follows.

먼저, 연소부내의 기화통을 전열히터에 의해 예열시키고, 온도센서에 의해 예열의 완료를 판정하여 예열이 완료되어 있으면 연소량을 중(中)으로 하여 연료를 연소부( 1)내에 공급하고, 그 후 고압방전에 의해 기화된 연료에의 착화를 시도하고, 이어서 착화되었는지의 여부를 판정하여 착화되어 있으면 그대로 운전을 속행하고, 착화되어 있지 않으면 연소량을 강(强)으로 하여 연료를 공급하고, 그 후 착화되었는지의 여부를 판정하여 착화되어 있으면 운전을 속행하고, 착화되어 있지 않으면 운전을 정지한다.First, the vaporization cylinder in the combustion section is preheated by the heat transfer heater, and the temperature sensor determines the completion of preheating, and when the preheating is completed, the fuel is supplied to the combustion section 1 with the combustion amount being medium. After that, ignition of the fuel vaporized by high-pressure discharge is attempted. Then, it is judged whether or not it is ignited, and if it is ignited, operation is continued as it is. If it is not ignited, the fuel is supplied with the combustion amount as strong, and It is judged whether or not it is ignited afterwards, and if it is ignited, operation continues. If it is not ignited, operation is stopped.

본 발명에 있어서는, 착화에 있어서 연소량이 중의 상태에서 연료를 보내므로, 연료때문에 기화통의 온도가 저하되어 착화되지 않는다고 하는 상태는 발생하지 않는다. 또, 연소량의 중이므로 송풍기에 의한 공기압이 낮고, 연료의 연소부에의 공급이 부족해서 착화되지 않을 경우에는 연소량이 강으로 전환되므로 공기압도 올라가서 연료는 확실히 연소부에 공급되어 착화된다. 또한, 이 때에는 기화통은 시간적으로도 충분히 예열되어 있으므로, 송출되는 연료가 많아도 온도저하를 초래할 염려는 없다.In the present invention, since fuel is sent in the state of combustion in ignition, the state that the temperature of the gasification cylinder decreases due to the fuel does not occur. In addition, since the air pressure by the blower is low because the combustion amount is in the middle, and the fuel is not ignited due to insufficient supply of fuel to the combustion unit, the combustion amount is converted to steel, so the air pressure also increases, and the fuel is reliably supplied to the combustion unit and ignited. In this case, since the vaporization cylinder is sufficiently preheated in time, there is no fear of causing a temperature drop even if a large amount of fuel is sent out.

다음에, 본 발명의 실시예에 대하여 도면에 따라서 상세히 설명한다.Next, embodiments of the present invention will be described in detail with reference to the drawings.

먼저, 난방기의 사용자가 개시버튼을 누르면(스텝 10), 연소부내의 기화통이 전열히터에 의해 예열되고(스텝 11), 온도센서에 의해 예열의 완료를 판정하여 (스텝 12), 예열이 완료되어 있으면 연소량을 중(中)으로 하여 연료를 연소부(1)내에 공급하고, 그 후 고압방전에 의해 기화된 연료에의 착화를 시도하고(스텝 13), 이어서 착화되었는지 여부를 판정하고(스텝 14), 착화되어 있으면 그대로 운전을 속행하고(스텝 15 ), 착화되어 있지 않으면 연소량을 강으로 하여 연료를 공급하고(스텝 16), 그 후 착화되었는지의 여부를 판정 하여(스텝 17), 착화되어 있으면 운전을 속행하고(스텝 15), 착화되어 있지 않으면 이상이 발생되어 있을 염려가 있으므로, 운전을 정지한다(스텝 18).First, when the user of the heater presses the start button (step 10), the vaporization cylinder in the combustion section is preheated by the heat transfer heater (step 11), and the completion of preheating is determined by the temperature sensor (step 12), and the preheating is completed. If so, the fuel is supplied to the combustion unit 1 with the combustion amount in medium, and then ignition of the fuel vaporized by the high-pressure discharge is attempted (step 13), and then it is determined whether or not it is ignited (step 13). 14) If it is ignited, operation continues as it is (step 15). If it is not ignited, fuel is supplied with a combustion amount as strong (step 16). If it exists, operation continues (step 15), and if it is not ignited, abnormality may occur, and operation is stopped (step 18).

이상의 동작에 의해 난방기의 착화는 확실하게 행하여진다.The ignition of a heater is reliably performed by the above operation.

그리고, 상기 실시예에 있어서 연소량을 중으로 공급하여 착화되지 않을때에 연소량을 강으로 한 경우는, 종래와 같이 처음의 착화시에 연소량을 강으로 한 경우와 같은 소음으로 되지만, 그 경우에도 착화가 확실하게 된다고 하는 점에서 효과가 있다. 또한, 본 발명에 있어서 연소량을 중으로 공급하여 착화되지 않는 것은 특별한 경우이며, 대부분의 경우는 중으로 착화될 수 있으며, 소음은 감소된다.In the above embodiment, when the combustion amount is made strong when the combustion amount is not ignited and is not ignited, the same noise as when the combustion amount is made at the time of initial ignition as in the prior art is obtained. It is effective in being sure. Further, in the present invention, it is a special case that the combustion amount is not ignited by supplying the combustion amount to the middle, and in most cases, it may be ignited to the middle, and noise is reduced.

또한, 상기 실시예에 있어서 예열의 완료를 판정(스텝 12)하는 것은 온도센서에 의해 검출되는 온도가 소정의 온도에 달했을 때 예열히터 즉 전열히터에 통전을 차단함으로써 행해진다. 예를들면, 본원 출원인에 의한 일본국 특공평 1-50809호 공보에 개시된 바와 같이 온도센서에 의해 예열직전의 기화통의 온도를 검출하고, 이 검출된 온도에 따라 다단계로 착화온도를 설정하고, 전열히터를 통전하여 미리 설정된 소정의 착화온도에 달하면 전열히터의 통전을 차단함으로써 예열의 완료를 판정하게 된다.In the above embodiment, the determination of the completion of the preheating (step 12) is performed by blocking the energization of the preheating heater, that is, the electrothermal heater, when the temperature detected by the temperature sensor reaches a predetermined temperature. For example, as disclosed in Japanese Patent Application Laid-Open No. 1-50809 by the applicant of the present application, the temperature sensor detects the temperature of the gas cylinder immediately before preheating, and sets the ignition temperature in multiple steps according to the detected temperature. When the heat transfer heater is energized and the predetermined ignition temperature is reached in advance, the completion of the preheating is determined by interrupting the energization of the heat transfer heater.

전술한 바와 같은 본 발명의 온퉁난방기의 착화방법에 의하면, 상기 온풍난방기의 기기의 구성을 변경하지 않고도, 온풍난방기의 스타트에 있어서 확실하게 착화시킬 수 있다. 또, 연소량이 중정도에서 착화시키므로, 착화음도 낮추는 것이 가능하게 되었다. 그리고, 상기한 바와 같은 본 발명의 온풍난방기의 제어장치의 프로그램에 의해 적용하는 것도 가능하다.According to the ignition method of the warm air heater of the present invention as described above, it is possible to reliably ignite the start of the warm air heater without changing the configuration of the device of the warm air heater. In addition, since the combustion amount ignites at a medium level, it is possible to lower the ignition sound. In addition, it is also possible to apply by the program of the control apparatus of the warm air heater of this invention as mentioned above.

Claims (1)

연소부(1)내의 기화통을 전열히터에 의해 예열시키고, 온도센서에 의해 예열의 완료를 판정하여 예열이 완료되어 있으면 연소량을 중(中)으로 하여 연료를 연소부(1)내에 공급하고, 그 후 고압방전에 의해 기화된 연료에의 착화를 시도하고, 이어서 착화되었는지의 여부를 판정하여 착화되어 있으면 그대로 운전을 속행하고, 착화되어 있지 않으면 연소량을 강(强)으로 하여 연료를 공급하고, 그 후 착화되었는지의 여부를 판정하여 착화되어 있으면 운전을 속행하고, 착화되어 있지 않으면 운전을 정지하는 것을 특징으로 하는 온풍난방기의 착화방법.The vaporization cylinder in the combustion unit 1 is preheated by the heat transfer heater, the preheating completion is determined by the temperature sensor, and when the preheating is completed, the fuel is supplied into the combustion unit 1 with the combustion amount being medium. After that, ignition of the fuel vaporized by high-pressure discharge is attempted. Then, it is judged whether or not ignition is carried out, and if it is ignited, operation is continued as it is, and if it is not ignited, fuel is supplied with a combustion amount as strong, Thereafter, it is determined whether the ignition is ignited, and if the ignition is continued, the operation is continued.
KR1019890016018A 1989-03-13 1989-11-06 Igniting method for hot air space heater KR940000882B1 (en)

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JP1057991A JPH02238251A (en) 1989-03-13 1989-03-13 Igniting method for hot air space heater
JP89-57991 1989-03-13

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KR900014819A KR900014819A (en) 1990-10-25
KR940000882B1 true KR940000882B1 (en) 1994-02-03

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