JPH0534439U - Oil fan heater - Google Patents
Oil fan heaterInfo
- Publication number
- JPH0534439U JPH0534439U JP7590991U JP7590991U JPH0534439U JP H0534439 U JPH0534439 U JP H0534439U JP 7590991 U JP7590991 U JP 7590991U JP 7590991 U JP7590991 U JP 7590991U JP H0534439 U JPH0534439 U JP H0534439U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- kerosene
- amount
- vaporizer
- inflow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Control Of Combustion (AREA)
Abstract
(57)【要約】
【目的】 気化器への灯油流入量の多少(燃焼量の大
小)に係らず灯油の温度を気化の適温に保持し、灯油の
気化の安定化やタール生成量の抑制を図ったファンヒー
ターを提供するにある。
【構成】 気化器1への灯油の流入量に応じて気化器1
の温度検知部7の検知温度設定値を調節し、灯油流入部
A近傍の灯油温度を常時ほぼ一定温度に保持する。
【効果】 温度検知部7の温度を調節するだけで、灯油
流入量の多少に係らず灯油流入部A近傍の灯油温度を常
時ほぼ一定値に保てるので、灯油の気化の安定が計られ
るほか灯油流入部近傍でのタール生成が抑制され、信頼
性及び寿命の向上したファンヒーターが提供出来た。
(57) [Summary] [Purpose] Regardless of the amount of kerosene flowing into the carburetor (the amount of combustion), the temperature of kerosene is kept at an appropriate temperature for vaporization to stabilize the vaporization of kerosene and suppress the amount of tar formation. To provide a fan heater designed to [Structure] The vaporizer 1 according to the inflow amount of kerosene into the vaporizer 1.
By adjusting the detection temperature setting value of the temperature detection unit 7 of No. 3, the temperature of kerosene in the vicinity of the kerosene inflow portion A is always maintained at a substantially constant temperature. [Effect] By simply adjusting the temperature of the temperature detection unit 7, the kerosene temperature in the vicinity of the kerosene inflow part A can be constantly maintained at a substantially constant value regardless of the amount of kerosene inflow, so that the vaporization of kerosene can be stabilized. It was possible to provide a fan heater in which tar generation in the vicinity of the inflow part was suppressed and reliability and life were improved.
Description
【0001】[0001]
本考案は石油ファンヒーターに関するもので、気化器における灯油燃料の蒸発 の安定化やタール生成の抑制を図ったものである。 The present invention relates to an oil fan heater, which is intended to stabilize the evaporation of kerosene fuel in a vaporizer and to suppress the generation of tar.
【0002】[0002]
従来石油ファンヒーターの気化器の温度調節制御において、制御温度はバーナ ーの形状、気化器を加熱するヒーターの消費電力、およびタール分の発生状況等 を考慮して、240℃〜280℃に設定されている。 In the conventional temperature control of the vaporizer of the oil fan heater, the control temperature is set to 240 ° C to 280 ° C in consideration of the burner shape, the power consumption of the heater that heats the vaporizer, and the status of tar generation. Has been done.
【0003】 この場合、上記制御温度でバーナーへの点火動作を行なうと、気化器内圧力が 高くなっているために、ノズルから噴出する気化ガスの速度が大きくなり過ぎて しまい、バーナーに送り込まれる空気と燃料の混合気の空燃比が小さくなってし まって、着火しにくく、着火に時間がかかる問題があった。In this case, when the burner is ignited at the above-mentioned control temperature, the internal pressure of the vaporizer becomes high, and the velocity of vaporized gas ejected from the nozzle becomes too high and is fed to the burner. Since the air-fuel ratio of the air-fuel mixture became small, it was difficult to ignite, and it took a long time to ignite.
【0004】 これに対して、着火時の気化器温度を上述の240℃〜280℃とういう温度 帯よりずっと低い温度帯(150〜230℃)に設定し、空気過剰による炎のリフ ト等の燃焼の不安定を防止したものも知られている(特公昭63−21091号 公報、特開平2−259314号公報参照)。On the other hand, the carburetor temperature at the time of ignition is set to a much lower temperature range (150 to 230 ° C.) than the above-mentioned temperature range of 240 ° C. to 280 ° C., and flame lift due to excess air, etc. It is also known to prevent instability of combustion (see Japanese Patent Publication No. Sho 63-21091 and Japanese Patent Laid-Open No. 2-259314).
【0005】 しかるに上記各公報に開示されたものは、点火動作初期と通常燃焼時の2段階 において気化器の温度が所定の温度帯の中に入るようにおおまかな制御が行なわ れているものの、通常燃焼過程における燃焼量の変化に対してはこれといった対 応はしておらず、通常燃焼時の燃焼量の変動に伴う気化器温度の変化は大きなも のであった。そのため、燃焼量が大きくなれば灯油に持ち去られる熱量が大きく なって気化器温度は低くなり、他方燃焼量が小さくなれば逆に気化器温度は高く なってしまい、種々の弊害を引き起こす原因となっていた。However, in the devices disclosed in the above-mentioned publications, although rough control is performed so that the temperature of the carburetor falls within a predetermined temperature range in two stages, the initial ignition operation and the normal combustion, It did not respond to changes in the combustion amount in the normal combustion process, and changes in the carburetor temperature due to changes in the combustion amount during normal combustion were large. Therefore, when the amount of combustion increases, the amount of heat carried away by kerosene increases and the carburetor temperature decreases, while on the other hand, when the amount of combustion decreases, the carburetor temperature rises, which causes various adverse effects. Was there.
【0006】 近年は、石油ファンヒーターにあっても、採暖性向上の面から発熱量の調整範 囲の拡大が叫ばれてきている。特に最小燃焼量のより一層の低減化が要求されて きている。 上記の要求を満たすために、気化器における気化の安定化やタール生成の抑制 等種々の点について検討がなされてきており、適正な温度制御が行なわれるよう になってきているのであるが、しかし気化器に流入する灯油の量がすくなくなる と、図4からわかるように気化器の灯油流入部の温度上昇を招き、気化量の脈動 やタール生成等の問題が生じやすくなってしまっている。In recent years, even for oil fan heaters, there has been an increasing demand for expansion of the range of heat generation adjustment from the viewpoint of improving heat collection. In particular, further reduction of the minimum combustion amount is required. In order to meet the above requirements, various points such as stabilization of vaporization in the vaporizer and suppression of tar formation have been studied, and proper temperature control has come to be performed. When the amount of kerosene flowing into the vaporizer becomes low, the temperature of the kerosene inflow part of the vaporizer rises as shown in Fig. 4, and problems such as pulsation of vaporization amount and tar formation are likely to occur.
【0007】 これに対して、通常燃焼過程において燃焼量を変化させても、あるいは燃焼量 が変化しても、燃焼を安定させるために気化器の温度を速やかに適正な制御温度 に安定させ、気化器内の圧力、気化器から噴出する気化ガスの温度、気化ガスの 噴出速度等が変化しないようにしたものもある(特開平2−101318号公報 参照)。On the other hand, even if the combustion amount is changed or the combustion amount is changed in the normal combustion process, the temperature of the carburetor is quickly stabilized to an appropriate control temperature in order to stabilize the combustion. In some cases, the pressure inside the vaporizer, the temperature of the vaporized gas ejected from the vaporizer, the ejection speed of the vaporized gas, etc. are kept unchanged (see Japanese Patent Laid-Open No. 2-101318).
【0008】[0008]
しかるに上記公報に開示されたような考案にあっては、通常燃焼過程において 燃焼量に変動があった場合に、燃焼を安定させるために複雑な制御回路路構成を とらねばならないという問題がある。 However, the device disclosed in the above publication has a problem that a complicated control circuit structure must be taken in order to stabilize the combustion when the combustion amount changes in the normal combustion process.
【0009】 本考案は、簡単な制御回路構成で、気化器に流入する灯油の流入量の多少(燃 焼量の大小)に係らず気化器内の灯油の温度が気化の適温に常時保持されるよう にした気化器を備えた石油ファンヒーターを提供するものである。The present invention has a simple control circuit configuration, and the temperature of kerosene in the vaporizer is always maintained at an appropriate temperature for vaporization regardless of the amount of kerosene flowing into the vaporizer (the amount of burning). The present invention provides an oil fan heater equipped with a vaporizer.
【0010】[0010]
本考案は流入する灯油を加熱気化させて噴出させる気化器の温度を検知する温 度検知部と、流入する灯油の流入量に基づいて加熱部への通電を制御する制御部 とを備え、温度検知部の検知温度設定値を灯油流入量に応じて変化させ、灯油温 度を常時ほぼ一定値に保持するようにしたものである。 The present invention is equipped with a temperature detection unit that detects the temperature of a vaporizer that heats and injects the inflowing kerosene and a control unit that controls energization to the heating unit based on the inflow amount of the inflowing kerosene. The detection temperature setting value of the detection unit is changed according to the inflow amount of kerosene so that the kerosene temperature is always maintained at a substantially constant value.
【0011】[0011]
気化器に流入する灯油の量が多い時には温度検知部の温度を高く設定し、反対 に少い時には温度検知部の温度を低く設定し、灯油流入量の多少(燃焼量の大小) に係らず、比較的簡単な制御方式によって気化器内の灯油の温度を気化の適温に 保持する。 When the amount of kerosene flowing into the vaporizer is large, the temperature of the temperature detector is set high, and when it is small, the temperature of the temperature detector is set low, regardless of the amount of kerosene inflow (the amount of combustion). , The temperature of kerosene in the carburetor is maintained at an appropriate temperature for vaporization by a relatively simple control method.
【0012】[0012]
以下本考案の一実施例を図面に従って説明する。 An embodiment of the present invention will be described below with reference to the drawings.
【0013】 図1は本考案石油ファンヒーターの気化器の一実施例の概略構成図、図2は同 じく概略の制御回路図、図3は同じく気化器への灯油流入量と灯油流入部近傍の 温度との関係の説明図である。FIG. 1 is a schematic configuration diagram of an embodiment of a vaporizer of an oil fan heater according to the present invention, FIG. 2 is a schematic control circuit diagram of the same, and FIG. 3 is a kerosene inflow amount and a kerosene inflow portion into the vaporizer. It is an explanatory view of the relationship with the temperature in the vicinity.
【0014】 図1において、1は一端が蓋3で密閉された円筒状の気化器で、内部に筒状の ウイック6およびシーズヒータよりなる加熱部2が挿着されている。また気化器 1の一部にこの気化器1の温度を検知するサーミスタよりなる温度検知部7が設 けられている。4は気化器1の一側に設けられた送油パイプである。以後この送 油パイプ4と気化器1の接続部位を灯油流入部Aと称する。また、気化器1の他 側には気化ガスが流出する気化ガス出口5が設けられている。In FIG. 1, reference numeral 1 denotes a cylindrical carburetor whose one end is sealed with a lid 3, in which a heating section 2 including a cylindrical wick 6 and a sheathed heater is inserted. In addition, a temperature detector 7 including a thermistor for detecting the temperature of the vaporizer 1 is provided in a part of the vaporizer 1. Reference numeral 4 is an oil supply pipe provided on one side of the vaporizer 1. Hereinafter, the connecting portion between the oil supply pipe 4 and the vaporizer 1 will be referred to as a kerosene inflow portion A. On the other side of the vaporizer 1, a vaporized gas outlet 5 through which vaporized gas flows out is provided.
【0015】 図2において、Pは商用電源に接続するプラグで、このプラグPにリレー接点 9bと加熱部2の直列回路とトランスTの一次巻線との並列接続回路が接続され ており、トランスTの二次巻線に全波整流部Sの入力側が接続されている。8は 直流安定化電源で全波整流部Sの出力側に接続されており、この直流安定化電源 8には前述リレー接点9bを開閉駆動するためのリレーコイル9aを制御する制 御部(マイコン)10が接続されている。In FIG. 2, P is a plug connected to a commercial power source, and a relay contact 9b, a series circuit of the heating unit 2 and a parallel connection circuit of the primary winding of the transformer T are connected to the plug P. The input side of the full-wave rectifier S is connected to the secondary winding of T. Reference numeral 8 is a DC stabilized power supply, which is connected to the output side of the full-wave rectification unit S. This DC stabilized power supply 8 controls a relay coil 9a for opening and closing the relay contact 9b. ) 10 is connected.
【0016】 次に本実施例の動作について述べる。Next, the operation of this embodiment will be described.
【0017】 石油ファンヒーターの運転に際して、まずプラグPを商用電源に接続した後に 運転スイッチ(図示省略)を操作する。するとトランスT、全波整流部Sおよび直 流安定化電源8を介して制御部10に直流電圧が印加される。それにより、リレ ー9aがリレー接点9bを閉路駆動し、加熱部2に通電して気化器1の加熱を開 始する。When operating the oil fan heater, first the plug P is connected to a commercial power source, and then an operation switch (not shown) is operated. Then, a DC voltage is applied to the control unit 10 via the transformer T, the full-wave rectification unit S, and the direct current stabilizing power supply 8. As a result, the relay 9a drives the relay contact 9b to be closed, and the heating unit 2 is energized to start heating the carburetor 1.
【0018】 この加熱中、気化器1は温度検知部7によって温度が検知され、灯油の気化に 適した温度に保持される。During the heating, the temperature of the vaporizer 1 is detected by the temperature detection unit 7, and the temperature is maintained at a temperature suitable for vaporizing kerosene.
【0019】 次に図3に示すように、気化器1は灯油流入量に応じて温度制御される。例え ば、流入量が横軸の段階1あるいは2のように少ない場合には、それに合わせて 制御部10は温度検知部7の設定温度を低めの温調温度Xに設定し、加熱部2へ の通電率が下がるようにし、灯油流入部A近傍の灯油温度が不用意に高くなり過 ぎることなくほぼ一定に保たれるようにする。Next, as shown in FIG. 3, the carburetor 1 is temperature-controlled according to the amount of kerosene inflow. For example, when the amount of inflow is small as in stage 1 or 2 on the horizontal axis, the control unit 10 sets the set temperature of the temperature detection unit 7 to a lower temperature control temperature X in accordance with that and sends it to the heating unit 2. The temperature of the kerosene in the vicinity of the kerosene inflow part A is inadvertently increased and is kept almost constant without excess.
【0020】 つぎに、流入量が横軸の段階3あるいは4のように中位の場合には、それに合 わせて制御部10は温度検知部7の設定温度を中位の温調温度Yに設定し、加熱 部2への通電率が中位に保たれるようにし、灯油流入部A近傍の灯油温度が不用 意に低く過ぎずかつ高か過ぎることなくほぼ一定の中位に保たれるようにする。 そして、流入量が横軸の段階5あるいは6のように多い場合には、それに合わ せて制御部10は温度検知部7の設定温度を高めの温調温度Zに設定し、加熱部 2への通電率が上がるようにし、灯油流入部A近傍の灯油温度が異常に低くなり 過ぎることなくほぼ一定に保たれるようにする。つまり、気化器1へ流入する灯 油流入量の多少(燃焼量の大小)に係らず灯油流入部A近傍の灯油温度はほぼ一定 に保持され、灯油の気化を安定なものにする。Next, when the amount of inflow is medium as in step 3 or 4 on the horizontal axis, the control unit 10 adjusts the set temperature of the temperature detecting unit 7 to the medium temperature adjusted temperature Y accordingly. The heating rate is set to a medium level so that the kerosene temperature near the kerosene inflow part A is maintained at a moderate level without being too low or too high. To do so. When the amount of inflow is large as in step 5 or 6 on the horizontal axis, the control unit 10 sets the set temperature of the temperature detection unit 7 to a higher controlled temperature Z accordingly, and sends it to the heating unit 2. So that the kerosene temperature in the vicinity of the kerosene inflow portion A is maintained at a substantially constant level without becoming too low. That is, the kerosene temperature in the vicinity of the kerosene inflow portion A is kept substantially constant regardless of the amount of kerosene inflow into the vaporizer 1 (the amount of combustion), and the vaporization of kerosene is stabilized.
【0021】 本実施例は、上述図3の如く気化器1へ流入する6段階の灯油流入量を3段階 に丸め、夫々に対して温調温度X、YおよびZの3段階を設定したが、気化器1 の構造および流入灯油量等に応じて、温調温度段階数および設定温度値は適宜設 定し得るものであることは言うまでもない。In this embodiment, as shown in FIG. 3, the six-stage kerosene inflow amount flowing into the carburetor 1 was rounded into three stages, and three stages of temperature control temperatures X, Y and Z were set for each. Needless to say, the number of temperature control steps and the set temperature value can be appropriately set according to the structure of the vaporizer 1, the amount of inflowing kerosene, and the like.
【0022】[0022]
以上本考案によると、気化器へ流入する灯油の流入量が、多い時には温度検知 部の温度が高く設定され、反対に少い時には低く設定されるため、気化器の灯油 流入部近傍の灯油温度は常時ほぼ一定値に保持されるため、気化器への灯油流入 量の多少(燃焼量の大小)に係らず灯油の温度を気化の適温に保持することが出来 るようになり、比較的簡単な構成の制御方式によって気化器内での灯油の安定し た気化及び灯油流入部近傍でのタール生成量等を抑制し、信頼性及び寿命の向上 したファンヒーターを提供出来ることとなった。 As described above, according to the present invention, when the amount of kerosene flowing into the carburetor is high, the temperature of the temperature detection part is set high, and when the amount of kerosene is small, it is set low. Is maintained at a nearly constant value at all times, it becomes possible to maintain the temperature of kerosene at an appropriate temperature for vaporization regardless of the amount of kerosene flowing into the carburetor (the amount of combustion). With such a control system, stable heating of kerosene in the vaporizer and tar generation in the vicinity of the kerosene inflow part can be suppressed, and a fan heater with improved reliability and life can be provided.
【図1】本考案一実施例における気化器の概略構成図で
ある。FIG. 1 is a schematic configuration diagram of a vaporizer according to an embodiment of the present invention.
【図2】同じく概略制御回路図である。FIG. 2 is a schematic control circuit diagram of the same.
【図3】同じく気化器への灯油の流入量と灯油流入部近
傍の温度との関係の説明図である。FIG. 3 is an explanatory diagram of a relationship between an inflow amount of kerosene into the vaporizer and a temperature near the kerosene inflow portion.
【図4】従来の気化器における灯油の流入量と灯油流入
部近傍の温度との関係の説明図である。FIG. 4 is an explanatory diagram of a relationship between an inflow amount of kerosene and a temperature near a kerosene inflow portion in a conventional vaporizer.
1 気化器 2 加熱部 7 温度検知部 10 制御部 A 灯油流入部 1 Vaporizer 2 Heating part 7 Temperature detecting part 10 Control part A Kerosene inflow part
Claims (2)
し気化させて噴出させる気化器(1)と、この気化器(1)の
温度を検知する温度検知部(7)と、そして前記気化器に
流入する灯油の量に基づいて前記温度検知部の検知温度
設定値を変化させることにより前記加熱部への通電を制
御する制御部(10)とを備えた石油ファンヒーター。1. A vaporizer (1) for heating inflowing kerosene by a heating section (2) to vaporize and eject the same, a temperature detecting section (7) for detecting the temperature of the vaporizer (1), and A petroleum fan heater comprising: a control unit (10) that controls energization to the heating unit by changing a detection temperature set value of the temperature detection unit based on the amount of kerosene flowing into the vaporizer.
(A)の近傍の灯油温度がほぼ一定に保たれるように前記
温度検知部の検知温度設定値を変化させるようにしたこ
とを特徴とする請求項1記載の石油ファンヒーター。2. The kerosene inflow part of the carburetor is the control part.
2. The oil fan heater according to claim 1, wherein the temperature detection value set by the temperature detector is changed so that the temperature of kerosene near (A) is kept substantially constant.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP7590991U JPH0534439U (en) | 1991-09-20 | 1991-09-20 | Oil fan heater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7590991U JPH0534439U (en) | 1991-09-20 | 1991-09-20 | Oil fan heater |
Publications (1)
Publication Number | Publication Date |
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JPH0534439U true JPH0534439U (en) | 1993-05-07 |
Family
ID=13589940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP7590991U Pending JPH0534439U (en) | 1991-09-20 | 1991-09-20 | Oil fan heater |
Country Status (1)
Country | Link |
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JP (1) | JPH0534439U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63163713A (en) * | 1986-12-26 | 1988-07-07 | Dainichi Kogyo Kk | Temp. control method for vaporizer of liquid fuel combustion apparatus |
-
1991
- 1991-09-20 JP JP7590991U patent/JPH0534439U/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63163713A (en) * | 1986-12-26 | 1988-07-07 | Dainichi Kogyo Kk | Temp. control method for vaporizer of liquid fuel combustion apparatus |
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