JPH08313062A - Fan heater - Google Patents
Fan heaterInfo
- Publication number
- JPH08313062A JPH08313062A JP7118553A JP11855395A JPH08313062A JP H08313062 A JPH08313062 A JP H08313062A JP 7118553 A JP7118553 A JP 7118553A JP 11855395 A JP11855395 A JP 11855395A JP H08313062 A JPH08313062 A JP H08313062A
- Authority
- JP
- Japan
- Prior art keywords
- combustion
- blower
- wind tunnel
- flame
- prevention device
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 claims abstract description 65
- 239000000446 fuel Substances 0.000 claims abstract description 15
- 230000005856 abnormality Effects 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 230000002265 prevention Effects 0.000 claims description 20
- 230000002159 abnormal effect Effects 0.000 abstract description 12
- 238000013021 overheating Methods 0.000 abstract description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 230000008016 vaporization Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000009834 vaporization Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000010445 mica Substances 0.000 description 3
- 229910052618 mica group Inorganic materials 0.000 description 3
- 230000003449 preventive effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 244000144985 peep Species 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 244000249914 Hemigraphis reptans Species 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、石油ファンヒータ、ガ
スファンヒータ等の安全性の高い温風暖房機に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a highly safe hot air heater such as an oil fan heater and a gas fan heater.
【０００２】[0002]
【従来の技術】従来のこの種の温風暖房機は、例えば、
実公平１−２０５１１号公報で開示されているように、
温風吹出口及び対流用送風機を有する本体ケース内に風
胴（風路形成体）を設け、この風胴内に上部開放の燃焼
筒を設け、この燃焼筒と風胴の頂部との間に遮熱板を設
けることにより、燃焼筒上部の開放部から流出する燃焼
ガスと対流用送風機から送られる空気流とを風胴内で混
合させ、温風吹出口から温風を室内に吹き出して暖房す
る。そして、遮熱板は対流用送風機の風の一部を風胴の
頂部近くに案内してその風胴の頂部を冷却し、本体ケー
ス上部の温度上昇を押さえるものである。2. Description of the Related Art A conventional hot air heater of this type is, for example,
As disclosed in Japanese Utility Model Publication No. 1-20511,
A wind tunnel (air passage forming body) is provided in the main body case having a warm air outlet and a convection blower, and a combustion cylinder with an open upper part is provided in the wind tunnel, and a shield is provided between the combustion cylinder and the top of the wind tunnel. By providing the hot plate, the combustion gas flowing out from the open portion in the upper part of the combustion cylinder and the air flow sent from the convection blower are mixed in the wind tunnel, and warm air is blown into the room from the hot air outlet to heat the room. The heat shield guides a part of the wind of the convection blower near the top of the wind tunnel to cool the top of the wind tunnel and suppress the temperature rise in the upper part of the main body case.
【０００３】しかし、対流用送風機あるいは燃焼用送風
機のフィルターの目詰まり、対流用送風機あるいは燃焼
用送風機のモータなどの異常などにより、給気量が不足
して異常な燃焼が起こり、バーナの炎が赤火となって長
く延び、その炎が燃焼筒の開放部から流出したような場
合、本体ケースが過熱されたり、炎が温風吹出口から外
部に出たり、一酸化炭素の発生量が増大する問題があっ
た。However, due to the clogging of the filter of the convection blower or the combustion blower, the abnormality of the motor of the convection blower or the combustion blower, and the like, the air supply amount becomes insufficient and abnormal combustion occurs, causing burner flames. If it becomes a red fire and extends for a long time, and the flame flows out from the open part of the combustion cylinder, the body case is overheated, the flame goes out from the hot air outlet, and the amount of carbon monoxide generated increases. There was a problem.
【０００４】[0004]
【発明が解決しようとする課題】本発明は上述の事実に
鑑みてなされたものであり、異常な燃焼による本体ケー
スの過熱などを事前に検知して、警報音や警告光を発
し、燃料の供給を自動的に停止するようにした安全性の
高い温風暖房機を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned facts, and detects an overheat of the main body case due to abnormal combustion in advance to emit an alarm sound or a warning light to notify the fuel consumption. It is an object of the present invention to provide a highly safe hot air heater that automatically stops the supply.
【０００５】[0005]
【課題を解決するための手段】本発明は、上記の問題点
を解決するために鋭意検討した結果、過熱防止装置を風
洞頂部の上面の特定の位置に設け、異常を検知した場合
はその過熱防止装置から信号をだして自動的に燃料供給
装置を停止することにより上記の課題を解決できること
を見いだし本発明を完成するに至ったものである。According to the present invention, as a result of intensive studies for solving the above-mentioned problems, an overheat preventing device is provided at a specific position on the upper surface of the wind tunnel, and when an abnormality is detected, the overheat is prevented. The inventors have found that the above problems can be solved by outputting a signal from the prevention device and automatically stopping the fuel supply device, and have completed the present invention.
【０００６】本発明の請求項１の発明は、温風吹出口及
び対流用送風機を有する本体ケースと、この本体ケース
内に設けた風胴と、この風胴内に設けた上部開放の燃焼
筒と、この燃焼筒内の下部に設けたバーナと、燃焼筒と
風胴頂部との間に設けた遮熱板とを備え、この風洞頂部
の上面の後部に過熱防止装置を設け、この過熱防止装置
を設置した箇所の温度上昇によって発せられるこの過熱
防止装置からの異常検知信号により自動的に燃料供給装
置を停止するようにしたことを特徴とする温風暖房機で
ある。According to the first aspect of the present invention, there is provided a main body case having a hot air outlet and a convection blower, a wind tunnel provided in the main body case, and an upper open combustion cylinder provided in the wind tunnel. A burner provided in the lower part of the combustion cylinder and a heat shield plate provided between the combustion cylinder and the wind tunnel top, and an overheat prevention device provided at the rear of the upper surface of the wind tunnel top. The hot air heater is characterized in that the fuel supply device is automatically stopped by an abnormality detection signal from the overheat prevention device which is generated due to a temperature rise of a place where the fuel cell is installed.
【０００７】本発明の請求項２の発明は、請求項１記載
の温風暖房機において、前記過熱防止装置を前記風洞頂
部の上面の後部の中央部に設けたことを特徴とする。A second aspect of the present invention is the hot-air heater according to the first aspect, wherein the overheat prevention device is provided in a central portion of a rear portion of an upper surface of the wind tunnel top portion.
【０００８】本発明の請求項３の発明は、請求項１ある
いは請求項２記載の温風暖房機において、前記過熱防止
装置が異常を検知した場合、警報音および／または警告
光を発するようにしたことを特徴とする。According to a third aspect of the present invention, in the hot air heater according to the first or second aspect, when the overheat prevention device detects an abnormality, an alarm sound and / or a warning light is emitted. It is characterized by having done.
【０００９】[0009]
【作用】請求項１のように構成すると、風洞頂部の後部
は異常燃焼が起きた場合、最も温度が上昇する箇所であ
るので、その風洞頂部の上面の後部に過熱防止装置を設
けると、過熱防止装置は正常燃焼時には熱風に直接さら
されることがなく、異常燃焼時には設置された箇所の異
常な温度を検知することができる。過熱防止装置が異常
を検知した場合は過熱防止装置から信号をだして自動的
に燃料供給装置を停止するので、安全性を高めることが
できる。本発明で使用する過熱防止装置は特に限定され
ず、公知のものを使用することができる。前記過熱防止
装置を設置する箇所は風洞頂部の上面の後部であればど
こでもよいが、風洞頂部の上面の後部の中央部が異常の
検出および設置し易さなどの観点から好ましい。請求項
３のように構成すると、警報音や警告光により異常状態
を明確に知らせることができるので対応し易くなり、安
全性が一層高くなる。According to the present invention, since the rear part of the wind tunnel has the highest temperature when abnormal combustion occurs, it is necessary to provide an overheat preventive device at the rear part of the upper surface of the wind tunnel. The preventive device is not directly exposed to hot air during normal combustion, and can detect an abnormal temperature at the installed location during abnormal combustion. When the overheat prevention device detects an abnormality, a signal is output from the overheat prevention device and the fuel supply device is automatically stopped, so that safety can be improved. The overheat prevention device used in the present invention is not particularly limited, and a known device can be used. The location for installing the overheat prevention device may be anywhere in the rear part of the upper surface of the wind tunnel top, but the central part of the rear part of the upper surface of the wind tunnel top is preferable from the viewpoint of abnormality detection and ease of installation. According to the third aspect of the invention, since the abnormal state can be clearly notified by the alarm sound or the warning light, it is easy to deal with it and the safety is further enhanced.
【００１０】[0010]
【実施例】次に実施例により本発明を更に詳しく説明す
るが、本発明はこれらによって限定されるものではな
い。以下、本発明の実施例を図１および図２に基づいて
説明する。図１は、本発明の一実施例を示す温風暖房機
の全体構成を示す説明図である。図２は、同じく要部縦
断面図である。The present invention will be described in more detail by way of examples, which should not be construed as limiting the invention. An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. FIG. 1 is an explanatory diagram showing the overall configuration of a warm air heater showing an embodiment of the present invention. FIG. 2 is a longitudinal sectional view of the same main part.
【００１１】図１および図２において、１は前面下部に
温風吹出口２を有すると共に背部に対流用送風機３を有
する箱形の本体ケースであり、この本体ケース１内に
は、一端が前記温風吹出口２に連通し、且つ、他端が前
記対流用送風機３に連通した風胴４が配置されている。
５は本体ケース１内の下部に配置した石油燃料を気化し
て燃焼させるバーナであり、このバーナ５は気化筒５Ａ
と、この気化筒５Ａの上部に装着したバーナヘッド５Ｂ
と、気化筒５Ａの周囲を囲むバーナケース５Ｃと、この
バーナケース５Ｃ内に燃焼二次空気を供給すると共に前
記気化筒５Ａ内に燃焼一次空気を供給する燃焼用送風機
５Ｄとから構成してある。また、前記燃焼用送風機５Ｄ
の吸込口５Ｒは本体ケース１の外部に望ませてあり、そ
の吸込口にはフィルター（図示せず）が設けられてい
る。５Ｅは燃焼用送風機５Ｄ用のモータ、５Ｆはモータ
５Ｅの回転軸の回転数を検知するための発光部と受光部
を備えたホトセンサ、５Ｇは燃焼二次空気供給路、５Ｈ
は燃焼一次空気供給路、５Ｉは気化筒５Ａに液体燃料を
供給するノズル、５Ｊはバーナリング、５Ｋはバーナヘ
ッド５Ｂの炎孔に対向して設けられた熱回収用突部、５
Ｌはフレームセンサ、５Ｍはバーナヘッド５Ｂの炎孔か
ら噴出する混合気に点火する点火プラグである。In FIGS. 1 and 2, reference numeral 1 is a box-shaped main body case having a warm air outlet 2 at the lower front portion and a convection blower 3 at the back portion. A wind tunnel 4 is arranged in communication with the air outlet 2 and the other end of which is in communication with the convection blower 3.
Reference numeral 5 denotes a burner arranged in the lower part of the main body case 1 to vaporize and burn the petroleum fuel.
And the burner head 5B attached to the upper part of the vaporizing cylinder 5A
And a burner case 5C surrounding the vaporization cylinder 5A, and a combustion blower 5D for supplying combustion secondary air into the burner case 5C and for supplying combustion primary air into the vaporization cylinder 5A. . Also, the combustion blower 5D
The suction port 5R is desired outside the main body case 1, and a filter (not shown) is provided at the suction port. 5E is a motor for the blower for combustion 5D, 5F is a photo sensor having a light emitting part and a light receiving part for detecting the number of rotations of the rotating shaft of the motor 5E, 5G is a combustion secondary air supply passage, 5H
Is a combustion primary air supply path, 5I is a nozzle for supplying liquid fuel to the vaporizing cylinder 5A, 5J is a burner ring, 5K is a heat recovery projection provided opposite to the flame hole of the burner head 5B, 5
L is a flame sensor, and 5M is an ignition plug that ignites the mixture gas ejected from the flame holes of the burner head 5B.
【００１２】６は前記風胴４内に設けられた上部開放の
燃焼筒であり、この燃焼筒６は前記バーナ５の上部の周
囲を覆うように風胴４の底部４Ａに立てて設けられ、そ
の上部の開口部７より燃焼ガスを流出させるようになっ
ている。前記対流用送風機３はフィルター兼用のファン
ガード８に固定されたモータ３Ａと、その回転軸９に取
り付けられたプロペラファン３Ｂとから構成され、そし
て、プロペラファン３Ｂを前記燃焼筒６に対向させてい
る。Reference numeral 6 denotes a combustion cylinder which is provided in the wind tunnel 4 and which is open to the upper side. The combustion cylinder 6 is provided upright on the bottom portion 4A of the wind tunnel 4 so as to cover the periphery of the upper portion of the burner 5, Combustion gas is made to flow out through the opening 7 in the upper part. The convection blower 3 is composed of a motor 3A fixed to a fan guard 8 that also serves as a filter, and a propeller fan 3B attached to a rotating shaft 9 thereof, and the propeller fan 3B is opposed to the combustion cylinder 6. There is.
【００１３】１０は燃焼筒６と風胴４の頂部４Ｂとの間
に設けられたアルミメッキ鋼板製の遮熱板であり、この
遮熱板１０はその前方部並びに後方部がそれぞれ斜め下
方に折り曲げられて前方部１０Ａ及び後方傾斜部１０Ｂ
が形成されると共に、図２に示すように遮熱板１０は左
右両側部がそれぞれ下方へ直角に折り曲げられて側片部
１０Ｃが形成され、且つ、それら側片部１０Ｃの両側に
は斜め下方に折り曲げられた固定片部１０Ｅ、１０Ｅが
形成され、これらの固定片部１０Ｅ……の先端部は前記
風胴４の側壁に挿入されて固定されるようになってい
る。Reference numeral 10 denotes a heat shield plate made of an aluminum-plated steel plate provided between the combustion cylinder 6 and the top portion 4B of the wind tunnel 4. The heat shield plate 10 has its front portion and rear portion slantingly downward. The front portion 10A and the rearwardly inclined portion 10B are bent.
2, the left and right side portions of the heat shield plate 10 are bent downward at right angles to form side piece portions 10C, and the side piece portions 10C are obliquely downward on both sides as shown in FIG. Fixed piece portions 10E, 10E are formed by bending the fixed piece portions 10E, 10E into the side wall of the wind tunnel 4 and fixed.
【００１４】風洞４の頂部４Ｂの上面の後部の中央部に
約１００℃でＯＮ、約７０℃でＯＦＦに設定された自動
復帰式のバイメタルサーモからなる過熱防止装置１４が
設置されている。At the center of the rear part of the upper surface of the top part 4B of the wind tunnel 4, there is installed an overheat preventive device 14 which is an auto-reset type bimetal thermostat which is turned on at about 100 ° C. and turned off at about 70 ° C.
【００１５】また、緩やかに傾斜した前記後方傾斜部１
０Ｂの後縁には、下方に延長された風量分配板１１Ａが
折り曲げ加工により垂下形成されており、且つ対流用送
風機３からの空気がより多く送風される側の遮熱板１０
の後縁の隅に、下端が対流用送風機３の回転軸９近傍ま
で延びて設けられたＬ字型部材１１Ｂが溶接にて固着さ
れている。風量分配板１１は風量分配板１１ＡとＬ字型
部材１１Ｂとから構成されている。この風量分配板１１
Ａの下端と燃焼筒６の開口部７の上端との間に通気口１
２が形成されている。１３は遮熱板１０と風胴４の頂部
４Ｂとの間に設けたアルミメッキ鋼板製の補助遮熱板で
あり、この補助遮熱板１４は風胴４の頂部４Ｂの下面に
対流用送風機３からの風を導き、冷却効果を一層高める
ためのものであり、風胴４の頂部４Ｂの下面にスポット
溶接にて固着している。The rearwardly inclined portion 1 which is gently inclined
At the rear edge of 0B, an air volume distribution plate 11A extended downward is formed by bending, and the heat shield plate 10 on the side where more air from the convection blower 3 is blown.
An L-shaped member 11B having a lower end extending to the vicinity of the rotating shaft 9 of the convection blower 3 and fixed to the corner of the trailing edge by welding. The air volume distribution plate 11 includes an air volume distribution plate 11A and an L-shaped member 11B. This air flow distribution plate 11
A ventilation port 1 is provided between the lower end of A and the upper end of the opening 7 of the combustion tube 6.
2 is formed. Reference numeral 13 denotes an auxiliary heat shield plate made of an aluminum-plated steel plate provided between the heat shield plate 10 and the top portion 4B of the wind tunnel 4, and this auxiliary heat shield plate 14 is a convection blower on the lower surface of the top portion 4B of the wind tunnel 4. It is for guiding the wind from 3 to further enhance the cooling effect, and is fixed to the lower surface of the top portion 4B of the wind tunnel 4 by spot welding.
【００１６】６Ａは燃焼筒６の前面に設けた覗き窓であ
る。覗き窓６Ａは雲母板６Ｃが固定具６Ｂにより燃焼筒
６の外面に密着して固定されて構成されている。覗き窓
６Ａの覗き用透明部材としては耐熱性や十分な強度を有
するものが好ましく、例えば雲母板６Ｃの代わりにガラ
スを用いると、燃焼熱などにより破損する。雲母板６Ｃ
が燃焼筒６の外面に密着して固定されていないと、燃焼
筒６の内部からガスが漏れて、一酸化炭素が発生するな
どの不都合を生じるので、密着して固定することが肝要
である。尚、図１中、Ｆは正常燃焼時の炎、ＦＸは給気
不足による異常燃焼時の炎を示している。Reference numeral 6A is a viewing window provided on the front surface of the combustion cylinder 6. The viewing window 6A is configured such that the mica plate 6C is closely attached and fixed to the outer surface of the combustion tube 6 by a fixture 6B. It is preferable that the transparent member for peep of the peep window 6A has heat resistance and sufficient strength. For example, if glass is used instead of the mica plate 6C, it will be damaged by heat of combustion. Mica plate 6C
Is intimately fixed to the outer surface of the combustion cylinder 6, gas will leak from the inside of the combustion cylinder 6 and carbon monoxide will be generated, so it is important to fix it in close contact. . In FIG. 1, F indicates the flame during normal combustion, and FX indicates the flame during abnormal combustion due to insufficient air supply.
【００１７】上記の構成において、燃焼筒６の開放部７
上端と風量分配板１１Ａ下端との間隔Ｌ１は約７ｍｍ、
燃焼筒６の開放部７上端と対流用送風機３の回転軸９と
の間隔Ｌ２を約１３ｍｍ、燃焼筒６の開放部７上端と遮
熱板１０との間隔Ｌ３を約２４ｍｍとしたので、比Ｌ
１：Ｌ２：Ｌ３＝１：約１．９：約３．４となる。なお
風洞４の前方部４Ｃの下端と燃焼筒６の開口部７の上端
との間隔Ｌ４を約２０ｍｍ、燃焼筒６の内径は約１５６
ｍｍ、風洞４の底部４Ａから風洞４の開口部７の先端ま
での高さｈ１は１５０ｍｍ、風洞４の底部４Ａから風洞
４の頂部４Ｂまでの高さｈ２は２１５ｍｍとした。In the above structure, the open portion 7 of the combustion cylinder 6
The distance L1 between the upper end and the lower end of the air volume distribution plate 11A is about 7 mm,
The distance L2 between the upper end of the open portion 7 of the combustion cylinder 6 and the rotary shaft 9 of the convection blower 3 is about 13 mm, and the distance L3 between the upper end of the open portion 7 of the combustion cylinder 6 and the heat shield plate 10 is about 24 mm. L
1: L2: L3 = 1: about 1.9: about 3.4. The distance L4 between the lower end of the front portion 4C of the wind tunnel 4 and the upper end of the opening 7 of the combustion tube 6 is about 20 mm, and the inner diameter of the combustion tube 6 is about 156.
The height h1 from the bottom 4A of the wind tunnel 4 to the tip of the opening 7 of the wind tunnel 4 was 150 mm, and the height h2 from the bottom 4A of the wind tunnel 4 to the top 4B of the wind tunnel 4 was 215 mm.
【００１８】上述の構成において、バーナ５の燃焼によ
る燃焼ガスは燃焼筒６内を上昇し、燃焼筒６の上部開口
７を通り遮熱板１０下方の風胴４内に放出され、本体ケ
ース１の背部に設けられた対流用送風機３から送られる
風と混合され、温風となって温風吹出口２から吹き出さ
れ、室内を暖房する。対流用送風機３から送られる空気
は風量分配板１１の作用により、対流用送風機３から送
風される空気が燃焼筒６の開放部７と遮熱板１０の間
と、遮熱板１０と風胴頂部４Ｂの間に適当に分配して送
られるので安定燃焼を行える上、本体ケース１が過熱す
るのを防止できる。In the above structure, the combustion gas generated by the combustion of the burner 5 rises in the combustion cylinder 6, passes through the upper opening 7 of the combustion cylinder 6 and is discharged into the wind tunnel 4 below the heat shield plate 10, and the main body case 1 Is mixed with the air sent from the convection blower 3 provided at the back of the, and becomes hot air and is blown out from the hot air outlet 2 to heat the room. The air blown from the convection blower 3 is operated by the air volume distribution plate 11, so that the air blown from the convection blower 3 is between the opening 7 of the combustion cylinder 6 and the heat shield plate 10, the heat shield plate 10 and the wind tunnel. Since it is appropriately distributed and sent between the top portions 4B, stable combustion can be performed and the main body case 1 can be prevented from overheating.
【００１９】対流用送風機３のフィルター８（ファンガ
ード兼用）あるいは燃焼用送風機５Ｄの吸込口５Ｒが目
詰まりしたり或いはカーテンなどにより閉塞したり、或
いは対流用送風機３のモータ３Ａや燃焼用送風機５Ｄの
モータ５Ｅなどの異常などにより、給気量が不足して異
常な燃焼が起こると、バーナの炎が赤火となって長く延
び、その炎が燃焼筒６の開放部７から流出したような場
合、風洞４の頂部４Ｂの上面の後部の中央部に設けた過
熱防止装置１４が温度上昇を検知してブザー（図示せ
ず）やライト（図示せず）に信号を送り、警報音や警告
光を発すると同時に、自動的に燃料供給装置（図示せ
ず）を停止させるようになっているので、本体ケース１
が過熱されたり、炎が温風吹出口２から外部に出たり、
一酸化炭素の発生量が増大する危険を抑えることができ
る。The filter 8 (also used as a fan guard) of the convection blower 3 or the suction port 5R of the combustion blower 5D is clogged or blocked by a curtain or the like, or the motor 3A of the convection blower 3 or the combustion blower 5D. When the amount of air supply is insufficient and abnormal combustion occurs due to an abnormality in the motor 5E, etc., the burner flame becomes a red flame and extends for a long time, and the flame seems to have flowed out from the open portion 7 of the combustion cylinder 6. In this case, the overheat prevention device 14 provided in the central portion of the rear part of the upper surface of the top part 4B of the wind tunnel 4 detects a temperature rise and sends a signal to a buzzer (not shown) or a light (not shown) to give an alarm sound or a warning. Since the fuel supply device (not shown) is automatically stopped at the same time as emitting the light, the main body case 1
Is overheated, the flame goes out from the hot air outlet 2,
The risk of increasing the amount of carbon monoxide generated can be suppressed.
【００２０】[0020]
【発明の効果】請求項１の温風暖房機は、異常燃焼が起
きた場合、最も温度が上昇する箇所である風洞頂部の上
面の後部に過熱防止装置を設けてあるので、過熱防止装
置は正常燃焼時には熱風に直接さらされることがなく、
異常燃焼時には設置された箇所の異常な温度を検知する
ことができる。過熱防止装置が異常を検知した場合は過
熱防止装置から信号をだして自動的に燃料供給装置を停
止するので、安全性を高めることができる。請求項２の
温風暖房機においては、過熱防止装置を風洞頂部の上面
の後部の中央部に設けるので、設置し易くかつ異常の検
出も行い易い。請求項３の温風暖房機においては、警報
音や警告光により異常を明確に知らせることができるの
で対応し易くなり、安全性が一層高くなる。According to the warm air heater of the first aspect of the present invention, when the abnormal combustion occurs, the overheat prevention device is provided at the rear part of the upper surface of the top of the wind tunnel where the temperature rises most. There is no direct exposure to hot air during normal combustion,
At the time of abnormal combustion, it is possible to detect the abnormal temperature of the installed location. When the overheat prevention device detects an abnormality, a signal is output from the overheat prevention device and the fuel supply device is automatically stopped, so that safety can be improved. In the hot-air heater according to the second aspect, since the overheat prevention device is provided in the central portion of the rear portion of the top surface of the wind tunnel, it is easy to install and it is easy to detect abnormality. In the hot-air heater according to the third aspect, the abnormality can be clearly notified by the alarm sound or the warning light, which facilitates the handling and further enhances the safety.
【図１】 本発明の一実施例を示す温風暖房機の全体構
成を示す説明図である。FIG. 1 is an explanatory diagram showing an overall configuration of a warm air heater showing an embodiment of the present invention.
【図２】 同じく要部縦断面図である。FIG. 2 is likewise a longitudinal sectional view of an essential part.
１・・本体ケース、２・・温風吹出口、３・・対流用送
風機、４・・風胴、４Ｂ・・風胴の頂部、５・・バー
ナ、６・・燃焼筒、７・・上部開口部（開放部）、８・
・ファンガード（フィルタ兼用）、９・・回転軸、１０
・・遮熱板、１１Ａ、１１・・風量分配板、１１Ｂ・・
Ｌ字型部材、１２・・通気口（通気部）、１３・・補助
遮熱板、１４・・過熱防止装置。1 ・ ・ Main body case, 2 ・ ・ Warm air outlet, 3 ・ ・ Convection blower, 4 ・ ・ Wind drum, 4B ・ ・ Top of wind drum, 5 ・ ・ Burner, 6 ・ ・ Combustion cylinder, 7 ・ ・ Upper opening Part (open part), 8 ・
・ Fan guard (also used as filter), 9 ・ ・ Rotating shaft, 10
..Heat shields, 11A, 11 ... Airflow distribution plates, 11B ...
L-shaped member, 12 ... Vent (vent), 13 ... Auxiliary heat shield, 14 ... Overheat prevention device.
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成７年５月２４日[Submission date] May 24, 1995
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００１１[Correction target item name] 0011
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００１１】図１および図２において、１は前面下部に
温風吹出口２を有すると共に背部に対流用送風機３を有
する箱形の本体ケースであり、この本体ケース１内に
は、一端が前記温風吹出口２に連通し、且つ、他端が前
記対流用送風機３に連通した風胴４が配置されている。
５は本体ケース１内の下部に配置した石油燃料を気化し
て燃焼させるバーナであり、このバーナ５は気化筒５Ａ
と、この気化筒５Ａの上部に装着したバーナヘッド５Ｂ
と、気化筒５Ａの周囲を囲むバーナケース５Ｃと、この
バーナケース５Ｃ内に燃焼二次空気を供給すると共に前
記気化筒５Ａ内に燃焼一次空気を供給する燃焼用送風機
５Ｄとから構成してある。また、前記燃焼用送風機５Ｄ
の吸込口５Ｒは本体ケース１の外部に望ませてあり、そ
の吸込口にはフィルター（図示せず）が設けられてい
る。５Ｅは燃焼用送風機５Ｄ用のモータ、５Ｆはモータ
５Ｅの回転軸の回転数を検知するための発光部と受光部
を備えたフォトセンサ、５Ｇは燃焼二次空気供給路、５
Ｈは燃焼一次空気供給路、５Ｉは気化筒５Ａに液体燃料
を供給するノズル、５Ｊはバーナリング、５Ｋはバーナ
ヘッド５Ｂの炎孔に対向して設けられた熱回収用突部、
５Ｌはフレームセンサ、５Ｍはバーナヘッド５Ｂの炎孔
から噴出する混合気に点火する点火プラグである。In FIGS. 1 and 2, reference numeral 1 is a box-shaped main body case having a warm air outlet 2 at the lower front portion and a convection blower 3 at the back portion. A wind tunnel 4 is arranged in communication with the air outlet 2 and the other end of which is in communication with the convection blower 3.
Reference numeral 5 denotes a burner arranged in the lower part of the main body case 1 to vaporize and burn the petroleum fuel. The burner 5 is a vaporization cylinder 5A.
And the burner head 5B attached to the upper part of the vaporizing cylinder 5A
And a burner case 5C surrounding the vaporization cylinder 5A, and a combustion blower 5D for supplying combustion secondary air into the burner case 5C and for supplying combustion primary air into the vaporization cylinder 5A. . Also, the combustion blower 5D
The suction port 5R is desired outside the main body case 1, and a filter (not shown) is provided at the suction port. 5E is a motor for the blower 5D for combustion, 5F is a photosensor having a light emitting part and a light receiving part for detecting the number of rotations of the rotation shaft of the motor 5E, 5G is a combustion secondary air supply passage, 5
H is a combustion primary air supply passage, 5I is a nozzle for supplying liquid fuel to the vaporizing cylinder 5A, 5J is a burner ring, 5K is a heat recovery projection provided opposite to the flame hole of the burner head 5B,
5L is a flame sensor, and 5M is an ignition plug for igniting the air-fuel mixture ejected from the flame holes of the burner head 5B.
【手続補正２】[Procedure Amendment 2]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００１４[Correction target item name] 0014
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００１４】風洞４の頂部４Ｂの上面において、前後方
向の後部で且つ左右方向の中央部には、温度上昇時に約
１００℃でＯＦＦ、温度下降時に約７０℃でＯＮするよ
うに設定された自動復帰式のバイメタルサーモにて代表
される過熱防止装置１４が設置されている。On the upper surface of the top portion 4B of the wind tunnel 4, the rear portion in the front-rear direction and the central portion in the left-right direction are set to be turned off at about 100 ° C. when the temperature rises and turned on at about 70 ° C. when the temperature falls. An overheat prevention device 14 represented by a return type bimetal thermostat is installed.
Claims (3)
体ケースと、この本体ケース内に設けた風胴と、この風
胴内に設けた上部開放の燃焼筒と、この燃焼筒内の下部
に設けたバーナと、燃焼筒と風胴頂部との間に設けた遮
熱板とを備え、この風洞頂部の上面の後部に過熱防止装
置を設け、この過熱防止装置を設置した箇所の温度上昇
によって発せられるこの過熱防止装置からの異常検知信
号により自動的に燃料供給装置を停止するようにしたこ
とを特徴とする温風暖房機。1. A main body case having a hot air outlet and a convection blower, a wind tunnel provided in the main body case, an upper open combustion cylinder provided in the wind cylinder, and a lower part in the combustion cylinder. A burner provided and a heat shield provided between the combustion tube and the wind tunnel top are provided, and an overheat prevention device is provided at the rear of the upper surface of the wind tunnel top. The hot air heater is characterized in that the fuel supply device is automatically stopped in response to an abnormality detection signal from the overheat prevention device.
の後部の中央部に設けたことを特徴とする請求項１記載
の温風暖房機。2. The warm air heater according to claim 1, wherein the overheat prevention device is provided in a central portion of a rear portion of an upper surface of the wind tunnel top portion.
合、警報音および／または警告光を発するようにしたこ
とを特徴とする請求項１あるいは請求項２記載の温風暖
房機。3. The warm air heater according to claim 1, wherein when the overheat prevention device detects an abnormality, an alarm sound and / or a warning light is emitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11855395A JP3530267B2 (en) | 1995-05-17 | 1995-05-17 | Hot air heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11855395A JP3530267B2 (en) | 1995-05-17 | 1995-05-17 | Hot air heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08313062A true JPH08313062A (en) | 1996-11-29 |
| JP3530267B2 JP3530267B2 (en) | 2004-05-24 |
Family
ID=14739442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11855395A Expired - Fee Related JP3530267B2 (en) | 1995-05-17 | 1995-05-17 | Hot air heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3530267B2 (en) |
-
1995
- 1995-05-17 JP JP11855395A patent/JP3530267B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3530267B2 (en) | 2004-05-24 |
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