JP4484419B2 - Hot air heater louver structure - Google Patents

Hot air heater louver structure Download PDF

Info

Publication number
JP4484419B2
JP4484419B2 JP2002148558A JP2002148558A JP4484419B2 JP 4484419 B2 JP4484419 B2 JP 4484419B2 JP 2002148558 A JP2002148558 A JP 2002148558A JP 2002148558 A JP2002148558 A JP 2002148558A JP 4484419 B2 JP4484419 B2 JP 4484419B2
Authority
JP
Japan
Prior art keywords
air
louver
air flow
hot air
air outlet
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.)
Expired - Fee Related
Application number
JP2002148558A
Other languages
Japanese (ja)
Other versions
JP2003336908A (en
Inventor
治 丹羽
幸一 渡辺
克之 永井
Original Assignee
株式会社トヨトミ
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社トヨトミ filed Critical 株式会社トヨトミ
Priority to JP2002148558A priority Critical patent/JP4484419B2/en
Publication of JP2003336908A publication Critical patent/JP2003336908A/en
Application granted granted Critical
Publication of JP4484419B2 publication Critical patent/JP4484419B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Description

【0001】
【産業上の利用分野】
この発明は枠体の温風吹出口から内部の機構が見えないようにすると共に、温風吹出口から吹出す温風が遠くまで届くようにする温風構造に関するものである。
【0002】
【従来の技術】
温風暖房機の枠体内には背部と前部とが連通する送風路が設けてあり、送風路の入口となる枠体の背部には室内空気を吹き込む対流ファンが取付けられ、また、枠体の前面には送風路に送られた空気が吹出す温風吹出口が設けてある。そして、枠体内に設置したバーナの放熱部が送風路内に配置されているから、対流ファンによって送風路に吹き込まれた空気は、放熱部と熱交換したり、放熱部から吹出す高温の燃焼ガスと混合したりすることで高温になり、温風吹出口から吹出して暖房するものである。
【0003】
このように温風吹出口から吹出す高温の温風によって室内の暖房をする時において、温風吹出口が送風路の正面にあって温風の流れが水平方向に吹出す構成の時には、温度の高い空気は上昇しやすいので温風は遠くまで届かずにゆるやかなカーブを描いて天井に向かうような流れになってしまい、室内の温度分布が大きくばらつくことになる。また、温風吹出口を送風路の下部に位置させて開口幅を狭くし、温風が床面に向かって強く吹出す構成にすれば、温風がゆるやかなカーブを描いて天井に向かう位置を暖房機から離すことができるものの、暖房機の前方の床面が温風で加熱されて危険な温度になってしまい、床面に温風を吹付けることは問題である。
【0004】
従って、温風吹出口には温風の流れを変更できるルーバーを取付けて、強い温風が床面に沿って前方に吹出すことで遠くまで届き、室内の温度分布が均一になるようにしている。しかし、ルーバーは空気の流れに対しては大きな抵抗になっており、強い温風を作り出す室内対流ファンはこの抵抗に打ち勝つ空気の流れを作るためには大型化が必要になり、また、高速回転化が必要となっている。一般に室内対流ファンの大型化はコストアップになるために、高速回転によって対応しているが、送風機の回転数を高くすると回転音が大きくなり、騒音を減らす工夫が必要になっている。
【0005】
【発明が解決しようとする課題】
室内の温度分布を均一化するためには温風を暖房機から遠くまで届かせなければならず、このためには送風路の出口である温風吹出口の開口面積を狭くして強い温風の流れを作り、ルーバーによってこの強い温風の流れを制御しなければならない。しかし、このルーバーは空気の流れの障害になっているから、このルーバーの数を少なくしても温風を遠くまで届かせることができれば、ルーバーによる空気の流れの抵抗が少なくなり、室内対流ファンの騒音を低くすることができる。
【0006】
この発明は使用するルーバーの数を少なくしても遠くまで温風を届かせることができるルーバー構造を提案すると共に、このルーバーを使用する時に適する最適な送風路構造を提案するものである。また、多数のルーバーを配置した時には暖房機の前面から送風路内のバーナ5や放熱部が見えにくくなっているが、ルーバーの数を減らせば中が丸見えとなり、なんらかの対応が必要である。
【0007】
【課題を解決するための手段】
この発明は上記の課題を解決するもので、枠体1内には枠体1の背部と枠体1の前部を連通する送風路2を設け、該送風路2の枠体1の背面側には室内対流ファン3を、また、送風路2の枠体1の前面側には温風吹出口4を取付け、該送風路2内にはバーナ5の放熱部6を配置し、前記温風吹出口4には複数本のルーバー7が横設されており、前記対流ファン3によって送風路2に吹込まれた室内空気は高温となって温風吹出口4から室内に吹出す温風暖房機において、前記温風吹出口4は送風路2の下部に位置し、その温風吹出口4の上部に接続する送風路2の天板2aは、下方の温風吹出口4側が低位となる傾斜して形成され、前記対流ファン3は傾斜状の天板2aに向けて送風することで空気流を温風吹出口4に向けて下向きに流し、前記ルーバー7の後部には前記傾斜状の送風路天板2aに沿って下向きに流れる対流ファンの風に逆らって、ほぼ水平にもしくは後縁が低くなるように配置した空気流制御部7aを設け、前記ルーバー7の前部には空気流制御部7aの後緑よりも低い位置に前縁を有するとともに、その前縁は下位のルーバー7の最高位置よりも高くして下位のルーバーとの間に水平方向の空気流通間隔を形成する内部覆い部7bを設け、前記ルーバー7の隙間を素通りしようとするその内部覆い部7bの間隔に向う空気流は、前記空気流制御部7aにぶつかって水平もしくは上方に向けられた空気流により、下側から上に押し上げられるように前方に向かう空気流に変わり、上位のルーバー7の内部覆い部7bが流れ方向を変えられた前記空気流を前方に誘導することを特徴とする。
【0008】
また、温風吹出口4に複数本横設したルーバー7のうち、最下部のルーバー7はほぼ水平にもしくは後縁が低くなるように配置した空気流制御部7aのみで形成して、全体が空気流制御部7aの働きをするようにしている。
【0009】
また、送風路2の枠体1の前面側の天板2aは下方に傾斜して形成し、前記送風路2の下部に位置した前記温風吹出口4に向けて下向きに流れる空気流はルーバー7の後部に設けた空気流制御部7aに誘導されて枠体1の前方に向かうようにしたから、室内対流ファン3による温風の流れは、バーナ5や放熱部6があっても強い乱流を起こすことなく温風吹出口4に向かうようになり、ルーバー7の空気流制御部7aが効率よく働くようになる。
【0010】
更に、枠体1の背面に取付けた室内対流ファン3の前面の送風路2には直接温風吹出口4に向かう空気流を遮る空気遮蔽板8を配置し、該空気遮蔽板8が内部覆い部7bの裏面に向かう空気流を抑制する構成としたから、室内対流ファン3の温風が内部覆い部7bによって逆に床面に向かう流れを作り出すことを防止している。
【0011】
【作用】
室内対流ファン3で送風路2に送られる空気はバーナ5や放熱部6の熱によって高温になり、この温風は送風路2の下部に位置した温風吹出口4によって流路を狭められて温風速度を高めると共に、送風路2の形状に従って温風の流れは床面に向かった流れになっている。この温風吹出口4には従来のように多数のルーバー7を使わず、複数本のルーバー7が取付けられて隙間を広くすると、ルーバー7の隙間から床面に向かう空気の流量が多くなる。従来ではこの空気の流れをルーバー7に馴染ませて流れ方向を変更するものであるから、ルーバー7の数を少なくして素通りする空気が多いほど制御しにくくなる。
【0012】
この発明のルーバー7は、ほぼ水平もしくは後縁が低くなるように配置した空気流制御部7aをルーバー7の後部に設けたから、この空気制御部7aにぶつかって水平もしくは上方に向けられた空気流は、ルーバー7の隙間を素通りしようとする空気を下側から上に押し上げるように働き、送風路2から床面に向かう空気流は暖房機の前方に向かう空気流に変り、強い流れのまま遠くまで届くようになった。
【0013】
また、ルーバー7の前部には空気流制御部7aの後縁よりも低い位置に前縁がある内部覆い部7bを設けており、この内部覆い部7bは床面に向かう空気流が邪魔される空気制御部7aの影の部分に位置し、下部の空気流制御部7aによって流れ方向を変えたルーバー7の隙間を流れる空気流を前方に誘導すると共に、暖房機の前方から送風路2内を見る時にはこの内部覆い部7bによって、バーナ5や放熱部6を直接見ることができなくなった。
【0014】
【実施例】
図に示す石油燃料を用いる暖房機の実施例によってこの発明を説明すると、1は暖房機の枠体、2は枠体1の背部から前部に向かって枠体1内を貫通して形成した送風路、3は枠体1の背面側の送風路2の入口に設けた室内対流ファン、4は枠体1の前面側の送風路4の出口に形成した温風吹出□である。
【0015】
5は枠体1内に設けたバーナ、9はバーナ5の上部に配置された燃焼室、10はバーナ5に燃料を供給する燃料ポンプ、11はバーナ5に燃焼空気を供給する燃焼ファン、12はバーナ5内を加熱して燃焼可能にする予熱ヒータの働きを行う点火ヒータであり、あらかじめ点火ヒータ12に通電してバーナ5を高温にしておき、燃料ポンプ10と燃焼ファン11を作動するとバーナ5に送られた燃料は気化して点火ヒータ12の熱で着火し、燃焼ファン11で送られる空気によって燃焼を開始する。バーナ5で発生した燃焼炎と燃焼ガスは燃焼室9に送られて完全燃焼する。
【0016】
6は送風路2内に位置したバーナ5の上部や燃焼室9などで構成する放熱部であり、前記室内対流ファン3によって送風路2に吹込まれた室内空気は、バーナ5や燃焼室9及び燃焼室9に続いて配置する図示せざる熱交換部などで加熱されて高温の温風となり、前記温風吹出口4から室内に吹出している。
【0017】
実施例の石油暖房機はファンヒータと呼ばれる燃焼排気ガスを室内に放出するタイプであってバーナ2の一部と燃焼室9が送風路2内に配置されており、室内対流ファン3によって、送風路2内に送られた室内空気とバーナ5に続く燃焼室9から排出される燃焼排気ガスとが送風路2内で混合し、枠体1の前面の温風吹出口4から温風となって吹出すものである
【0018】
前記の温風吹出口6は送風路2の正面で枠体1の前面の中央よりもやや低い位置に構成しており、7は温風吹出口6の横幅全体に横に長く構成したルーバーであり、室内対流ファン5によって送られる空気は燃焼室3からの放熱によって加熱され、更に燃焼排気ガスと燃焼空気とが混合して、狭くなった温風吹出口6から吹出し、ルーバー7によって温風が暖房機の前方へ遠くまで届くように方向付けられている。
【0019】
温風暖房機において温風吹出口4から吹出す温風の流速が遅いときには、温められて温度が高くなった空気は上昇しやすいから温風の流れが上を向きやすく、温風は遠くまで届かずに室内の温度分布はばらつきやすくなる。このため、上記の構成のように温風はできるだけ低い位置から強い流速で吹出すようになっているが、温風吹出口4が送風路2の低い位置にあると、強い温風は床面に吹付けて遠くまで届くようになるが、暖房機の前方の床が加熱されて非常に危険な状態となる。
【0020】
この状態を避けるために、従来の温風吹出口4にはルーバー7を取付けて温風が床面に吹付けずに前方に向かうようにしているが、ルーバー7の形状に馴染ませて温風の流れを変えるには、細かいピッチでルーバー7を多数取付けなければならず、このルーバー7は温風の流れにとって大きな抵抗となり、室内対流ファン3は流速を得るために大型化や高回転型が必要になる。
【0021】
最近では暖房機のコンパクト化と低価格化が志向されており、このような室内対流ファン3の使用をやめるためには流路抵抗になっているルーバー7の数を少なくしなければならないが、ルーバー7のピッチを荒くすれば床面に向かう温風がルーバー7の隙間をそのまま通り抜けて床面を加熱する問題点が発生する。
【0022】
この発明は少ないルーバー7でも効果的に温風の吹出し方向を変えることができるようにするもので、7aはルーバー7の後部で送風路2側に設けた空気流制御部であり、該空気流制御部7aはほぼ水平もしくは後縁が低くなるように傾斜させている。7bはルーバー7の前部で空気流制御部7aよりも前方に連続させた内部覆い部であり、該内部覆い部7bは空気流制御部7aの後縁よりも低い位置に前縁を有するように傾斜させている。
【0023】
この発明のルーバー7では、送風路2から斜め下方に向けて吹出そうとする温風の一部は、空気流制御部7aに当たって水平もしくは斜め上方に風向を変え、一方、ルーバー7の隙間を通って床面に向かって素通りしようとする温風に対して、風向を変えた温風は下側から上に押し上げて温風方向を上向きに変えるように作用しており、送風路2から温風吹出口4を経て床面に向かう空気流が暖房機の前方に向かう空気流に変り、床面を加熱させることなく強い流れのまま遠くまで届くようになった。
【0024】
この時、ルーバー7の前部に設けた内部覆い部7bの裏面は、下部の空気流制御部7aによって流れ方向を変えたルーバー7の隙間を流れる温風を付着させて前方に誘導する働きがあり、内部覆い部7bの傾斜角度や湾曲状態と温風の流速によっては、内部覆い部7bの前縁から上面に向けて温風が巻き込み、温風は暖房機の前方へ向かって流れやすくなる。
【0025】
一方、ルーバー7の取付けピッチが荒くなると、ルーバー7の隙間から送風路2内部が丸見えとなるが、この内部覆い部7bがルーバー7の前部にあると、暖房機の前方から送風路2内を見る時にはこの内部覆い部7bによって、バーナ5や放熱部6を直接見ることができなくなった。
【0026】
上記のようにこの発明のルーバー7は、下部のルーバー7の空気流制御部7aと上部のルーバー7の内部覆い部7bによって温風の流れを変化させる働きがあるから、最下部のルーバー7においては内部覆い部7bをなくしても性能はほとんど変化せず、最下部を一枚の平板状のルーバー7で実施すればコストダウンの効果がある。
【0027】
上記のように本件発明は送風路2と温風吹出口4との位置関係によって温風が斜め下方に吹出されることを利用しているので、このような温風の流れを積極的に作る送風路2の形状とすれば更に優れた効果が得られる。即ち、2aは枠体1の前面側の送風路4の天板であり、この天板2aは下方に傾斜して、送風路2を流れる温風を温風吹出口4に誘導する働きがある。
【0028】
この結果、室内対流ファン3から送風路2に送られた空気は、乱流を起こすことなく傾斜した送風路2の天板2aに沿って斜め下方に向かって温風吹出口4に至るから、ルーバー7のある温風吹出口4を通過するときの温風は整流された状態になっており、ルーバー7の後部の空気流制御部7aで変更した空気流の方向が安定して、ルーバー7の隙間を抜ける温風の吹出方向を確実に変更できるようになる。
【0029】
一方、ルーバー7の内部覆い部7bは実質的には下方に傾斜しているから、この傾斜面に向かって直接温風が流れるときには、温風の吹出し方向を床面に向けてしまう恐れがある。8は室内対流ファン3と温風吹出口4の間の送風路2に位置して直接温風吹出口4に向かう空気流を遮る空気遮蔽板であり、室内対流ファン5の風は空気遮蔽板8に邪魔されて直接温風吹出口4に向かわずに、空気遮蔽板8の上方を通過してから温風吹出口4に向かう空気流になってルーバー7の空気流制御部7aに当たるようになる。このため、ルーバー7の内部覆い部7bは空気流制御部7aの陰になるから、ルーバー7の後部の空気流制御部7aで変更した空気流の方向が安定して、温風の吹出方向を暖房機の前方に向けることができるようになる。
【0030】
尚、図に示す実施例は石油燃料を燃焼するポットタイプの石油燃焼器であるが、この発明は送風路に連続する温風吹出口に取付けるルーバーにかかるものであるから、バーナの形式は特に問題ではなく、都市ガスなどの気体燃料や、石油燃料を気化室で熱を加えて気体に代えてガス化して燃焼する燃焼器にも適用できるものである。
【0031】
【発明の効果】
従来の温風吹出口4のルーバー7の働きは、空気の流れをルーバー7に沿って変更するものであるから、ルーバー7の間隔を広くした時には、送風路2の形状から生まれる下方に向いた空気流がルーバー7の隙間を抜けて、直接暖房機前方の床面を加熱する恐れがあった。この発明はルーバー7の後部に空気流制御部7aを設けて、ルーバー7の隙間を流れる温風の向きを入口側で変更し、更に、上側に隣接するルーバー7の空気流制御部7aに続く内部覆い部7bの下面に温風を馴染ませて、暖房機の前方へ向かう流れを作り出しており、温風は床面に届くことなく暖房機から離れた前方に至ってからゆるやかなカーブを描いて天井に向かうから、床面の加熱によるトラブルを防止しながら遠くまで温風が届き、室内の温度分布が均一になった。
【0032】
また、ルーバー7の間の隙間が広い時には、送風路2内のバーナ5などが直接暖房機の前方から見えてしまうのでデザイン的に問題であったが、この発明のルーバー7には内部覆い部7bを設けたから、送風路2内を直接見ることができなくなり、優れたデザインの暖房機を得ることができた。
【0033】
また、このように本件発明ではルーバー7の間隔を広くできるから、室内対流ファン3の流れの障害とならず、室内対流ファン3は高回転型や大きな直径のファンを使わなくともよくなり、温風暖房機の騒音を少なくすることができると共に、安価な室内対流ファン7を使うことができるようになった。
【0034】
また、温風吹出口4に設けたルーバー7のうち、最下段のルーバー7は空気流制御部7aのみとしたから安価に製作できると共に、暖房機の前方への空気流を作り出す働きも確実に行うことができる。
【0035】
また、枠体1の前面側の送風路2の天板2aを下方に傾斜させたから、送風路2を流れる温風は乱流を起こすことなく温風吹出口4に向かうようになり、ルーバー7のある温風吹出口4を通過する温風は整流状態になっているから、ルーバー7の後部の空気流制御部7aで変更した空気流の方向も安定し、ルーバー7の隙間を抜ける温風に働きかけて温風の吹出方向を確実に変更できるようになった。
【0036】
更に、室内対流ファン3の前面の送風路2には、室内対流ファン3の風が直接ルーバー7の内部覆い部7bの裏面に向かわないように空気遮蔽板8を設けたから、温風が内部覆い部7bの裏面に当たって下向きに温風の流れを変えることはなくなった。また、空気遮蔽板8の上方から温風吹出口4に向かう空気流は、斜め下方に向いた空気流になるから、ルーバー7の空気流制御板7aは常に期待した働きができるようになった。
【図面の簡単な説明】
【図1】この発明の実施例を示す温風暖房機の縦断面図である。
【図2】この発明の実施例を示す温風暖房機の要部の縦断面図である。
【符号の説明】
1 枠体
2 送風路
2a 天板
3 室内対流ファン
4 温風吹出口
5 バーナ
6 放熱部
7 ルーバー
7a 空気流制御部
7b 内部覆い部
8 空気遮蔽板
[0001]
[Industrial application fields]
The present invention relates to a hot air structure that prevents the internal mechanism from being seen from the hot air outlet of the frame and allows hot air blown from the hot air outlet to reach far.
[0002]
[Prior art]
In the frame of the hot air heater, there is an air passage that communicates between the back and the front, and a convection fan that blows indoor air is attached to the back of the frame that is the entrance of the air passage. A warm air outlet from which air sent to the air passage is blown out is provided on the front side. And since the heat radiating part of the burner installed in the frame is arranged in the air passage, the air blown into the air passage by the convection fan exchanges heat with the heat radiating part, or the high temperature combustion blown out from the heat radiating part It becomes high temperature by mixing with gas, and it blows out from a warm air blower outlet and heats it.
[0003]
When the room is heated by the hot air blown from the hot air outlet in this way, the temperature is high when the hot air outlet is in front of the air passage and the flow of the hot air is blown out horizontally. Since the air tends to rise, the warm air does not reach far and draws a gentle curve and flows toward the ceiling, which greatly varies the temperature distribution in the room. In addition, if the warm air outlet is located at the bottom of the air passage to narrow the opening width and the hot air blows strongly toward the floor, the position where the warm air draws a gentle curve toward the ceiling Although it can be separated from the heater, it is a problem that the floor surface in front of the heater is heated with hot air to become a dangerous temperature, and hot air is blown onto the floor surface.
[0004]
Therefore, a louver that can change the flow of hot air is attached to the hot air outlet, so that strong hot air blows forward along the floor surface so that it can reach far, making the temperature distribution in the room uniform. . However, the louver has a great resistance to the air flow, and the indoor convection fan that creates strong warm air needs to be large in order to create an air flow that can overcome this resistance, and it can rotate at high speed. Is necessary. In general, an increase in the size of an indoor convection fan increases the cost, and is therefore supported by high-speed rotation. However, if the rotational speed of the blower is increased, the rotational noise increases, and a device for reducing the noise is required.
[0005]
[Problems to be solved by the invention]
In order to make the temperature distribution in the room uniform, the hot air must reach far from the heater. To this end, the opening area of the hot air outlet, which is the outlet of the air passage, is narrowed to generate strong hot air. You must make a flow and control the flow of this strong warm air by the louver. However, since this louver is an obstacle to the air flow, if the hot air can reach far even if the number of louvers is reduced, the resistance of the air flow by the louver will decrease, and the indoor convection fan The noise can be lowered.
[0006]
The present invention proposes a louver structure that allows hot air to reach a long distance even if the number of louvers used is reduced, and proposes an optimal air passage structure that is suitable when using this louver. In addition, when a large number of louvers are arranged, it is difficult to see the burner 5 and the heat dissipating part in the air passage from the front of the heater. However, if the number of louvers is reduced, the inside becomes completely visible, and some measures are required.
[0007]
[Means for Solving the Problems]
The present invention solves the above-described problem. In the frame body 1, an air passage 2 that communicates the back portion of the frame body 1 and the front portion of the frame body 1 is provided, and the rear surface side of the frame body 1 of the air passage 2. Is provided with an indoor convection fan 3, and a hot air outlet 4 is attached to the front side of the frame 1 of the air passage 2, and a heat radiating portion 6 of a burner 5 is disposed in the air passage 2. 4, a plurality of louvers 7 are provided horizontally, and the indoor air blown into the air blowing path 2 by the convection fan 3 becomes a high temperature and is blown into the room from the hot air outlet 4. The hot air outlet 4 is located at the lower part of the air passage 2, and the top plate 2a of the air passage 2 connected to the upper part of the hot air outlet 4 is formed so as to be inclined so that the lower hot air outlet 4 side becomes lower, convection fan 3 flows downwardly toward the air flow to the warm air outlet 4 by blowing air toward the slanted top plate 2a, The rear portion of the louver 7 is provided with an air flow control unit 7a arranged so as to be substantially horizontal or to have a lower rear edge against the wind of the convection fan flowing downward along the inclined air passage top plate 2a. The front portion of the louver 7 has a front edge at a position lower than the rear green of the air flow control unit 7a , and the front edge is higher than the highest position of the lower louver 7 so as to be lower than the lower louver. An internal cover portion 7b that forms a horizontal air flow interval is provided in the air flow, and an air flow toward the interval of the internal cover portion 7b that attempts to pass through the gap of the louver 7 hits the air flow control portion 7a and is horizontally induction or by the air flow directed upwardly, instead the air flow towards the front so as to be pushed upward from the lower side, the air flow inside the cover portion 7b of the upper louvers 7 was changed flow direction in front Characterized in that it.
[0008]
Of the louvers 7 installed horizontally at the hot air outlet 4, the lowermost louver 7 is formed only by the air flow control unit 7 a disposed so as to be substantially horizontal or to have a lower rear edge. The flow control unit 7a functions.
[0009]
Further, the top plate 2a on the front side of the frame 1 of the air passage 2 is formed to be inclined downward, and the air flow flowing downward toward the warm air outlet 4 located at the lower part of the air passage 2 is a louver 7. Since it is guided to the front of the frame 1 by being guided by the air flow control unit 7a provided at the rear, the warm air flow by the indoor convection fan 3 is strong turbulent flow even with the burner 5 and the heat radiating unit 6. The air flow control unit 7a of the louver 7 works efficiently without going to the warm air outlet 4.
[0010]
Further, an air shielding plate 8 that blocks the air flow directly toward the hot air outlet 4 is disposed in the air blowing path 2 in front of the indoor convection fan 3 attached to the rear surface of the frame 1, and the air shielding plate 8 is an inner covering portion. Since the air flow toward the back surface of 7b is suppressed, the warm air of the indoor convection fan 3 is prevented from creating a flow toward the floor surface by the internal cover portion 7b.
[0011]
[Action]
The air sent to the air passage 2 by the indoor convection fan 3 becomes high temperature due to the heat of the burner 5 and the heat radiating section 6, and this warm air is heated by the hot air outlet 4 located at the lower part of the air passage 2. While increasing the wind speed, the flow of warm air is directed toward the floor according to the shape of the air passage 2. If a plurality of louvers 7 are attached to the hot air outlet 4 and a plurality of louvers 7 are attached as in the prior art to widen the gap, the flow rate of air from the gap of the louver 7 toward the floor increases. Conventionally, this flow of air is adapted to the louver 7 to change the flow direction, so that the more air that passes through the number of louvers 7 is, the more difficult it is to control.
[0012]
Since the louver 7 of the present invention is provided with the air flow control unit 7a arranged so as to be substantially horizontal or the trailing edge is lowered at the rear part of the louver 7, the air flow which hits the air control unit 7a and is directed horizontally or upward is provided. Works to push up the air that tries to pass through the gaps in the louver 7 from the lower side to the upper side, and the air flow from the air passage 2 toward the floor changes to an air flow toward the front of the heater, and remains as a strong current. It came to reach.
[0013]
The front portion of the louver 7 is provided with an inner cover portion 7b having a front edge at a position lower than the rear edge of the air flow control portion 7a. The inner cover portion 7b is obstructed by the air flow toward the floor surface. The air flow control unit 7a is located in the shaded part of the air flow control unit 7a, and the air flow control unit 7a below the flow direction of the louver 7 changes the flow direction. The internal cover 7b makes it impossible to directly see the burner 5 and the heat dissipating part 6 when viewing.
[0014]
【Example】
The present invention will be described with reference to an embodiment of a heater using petroleum fuel shown in the figure. 1 is a frame of the heater, 2 is formed through the frame 1 from the back to the front of the frame 1 The air flow path 3 is an indoor convection fan provided at the inlet of the air flow path 2 on the back side of the frame 1, and 4 is a hot air outlet □ formed at the outlet of the air flow path 4 on the front side of the frame 1.
[0015]
5 is a burner provided in the frame 1, 9 is a combustion chamber disposed at the top of the burner 5, 10 is a fuel pump for supplying fuel to the burner 5, 11 is a combustion fan for supplying combustion air to the burner 5, 12 Is an ignition heater that functions as a preheating heater that heats the inside of the burner 5 so as to be combustible. When the fuel pump 10 and the combustion fan 11 are operated by energizing the ignition heater 12 in advance and operating the fuel pump 10 and the combustion fan 11, the burner. The fuel sent to 5 is vaporized and ignited by the heat of the ignition heater 12, and combustion is started by the air sent by the combustion fan 11. The combustion flame and combustion gas generated in the burner 5 are sent to the combustion chamber 9 for complete combustion.
[0016]
Reference numeral 6 denotes a heat dissipating section constituted by the upper part of the burner 5 positioned in the air passage 2 and the combustion chamber 9. The room air blown into the air passage 2 by the indoor convection fan 3 is the burner 5 and the combustion chamber 9. It is heated by a heat exchange section (not shown) arranged after the combustion chamber 9 to become hot hot air, and is blown into the room through the hot air outlet 4.
[0017]
The oil heater of the embodiment is a type that discharges combustion exhaust gas called a fan heater into the room, and a part of the burner 2 and the combustion chamber 9 are arranged in the air passage 2, and the air is blown by the indoor convection fan 3. The indoor air sent into the passage 2 and the combustion exhaust gas discharged from the combustion chamber 9 following the burner 5 are mixed in the blower passage 2 and become hot air from the hot air outlet 4 on the front surface of the frame 1. [0018]
The hot air outlet 6 is configured at a position slightly lower than the center of the front surface of the frame body 1 in front of the air passage 2, and 7 is a louver that is configured to be horizontally long across the entire width of the hot air outlet 6. Air sent by the indoor convection fan 5 is heated by heat radiation from the combustion chamber 3, and further, combustion exhaust gas and combustion air are mixed and blown out from the narrow hot air outlet 6, and the hot air is heated by the louver 7. Oriented to reach far in front of.
[0019]
When the flow rate of warm air blown from the warm air outlet 4 in a warm air heater is slow, the warmed air tends to rise, so the warm air flow tends to go up and the warm air reaches far away. Therefore, the indoor temperature distribution tends to vary. For this reason, as in the above configuration, the hot air is blown out from a position as low as possible with a strong flow velocity, but if the hot air outlet 4 is at a low position in the air passage 2, the strong hot air is blown to the floor surface. It blows and reaches far, but the floor in front of the heater is heated and it becomes very dangerous.
[0020]
In order to avoid this state, a louver 7 is attached to the conventional hot air outlet 4 so that the warm air is directed forward without blowing to the floor surface. In order to change the flow, a large number of louvers 7 must be mounted at a fine pitch, and this louver 7 becomes a great resistance against the flow of hot air, and the indoor convection fan 3 needs a large size and a high rotation type in order to obtain a flow velocity. become.
[0021]
Recently, downsizing and cost reduction of heaters have been aimed at, and in order to stop using such an indoor convection fan 3, it is necessary to reduce the number of louvers 7 serving as channel resistance. If the pitch of the louvers 7 is made rough, there is a problem that warm air directed toward the floor surface passes through the gaps in the louver 7 as it is to heat the floor surface.
[0022]
The present invention makes it possible to effectively change the blowing direction of hot air even with a small number of louvers 7. Reference numeral 7a denotes an air flow control unit provided on the air passage 2 side at the rear of the louver 7, The control unit 7a is inclined so that it is substantially horizontal or the trailing edge is lowered. Reference numeral 7b denotes an internal cover portion that is continuous to the front of the air flow control unit 7a at the front portion of the louver 7, and the internal cover portion 7b has a front edge at a position lower than the rear edge of the air flow control unit 7a. It is inclined to.
[0023]
In the louver 7 of the present invention, a part of the warm air that is about to blow off from the air passage 2 obliquely downward strikes the air flow control unit 7a and changes the air direction horizontally or obliquely upward, while passing through the gap of the louver 7. The warm air that changes the direction of the air is pushed upward from the lower side to change the direction of the warm air upward, and the hot air is blown from the air passage 2. The air flow toward the floor surface via the outlet 4 changed to an air flow toward the front of the heater, and reached a long distance with a strong flow without heating the floor surface.
[0024]
At this time, the back surface of the inner cover portion 7b provided at the front portion of the louver 7 has a function of adhering the warm air flowing through the gap of the louver 7 whose flow direction is changed by the lower air flow control portion 7a to guide it forward. Yes, depending on the inclination angle and bending state of the inner cover portion 7b and the flow rate of the warm air, the hot air is entrapped from the front edge of the inner cover portion 7b toward the upper surface, and the hot air easily flows toward the front of the heater. .
[0025]
On the other hand, when the mounting pitch of the louvers 7 becomes rough, the inside of the air passage 2 becomes completely visible from the gap between the louvers 7, but when this internal cover 7 b is at the front of the louver 7, The internal cover 7b makes it impossible to directly see the burner 5 and the heat dissipating part 6 when viewing.
[0026]
As described above, the louver 7 of the present invention has a function of changing the flow of warm air by the air flow control part 7a of the lower louver 7 and the inner cover part 7b of the upper louver 7. Even if the inner cover portion 7b is omitted, the performance hardly changes, and if the lowermost portion is implemented by a single flat louver 7, there is an effect of cost reduction.
[0027]
As described above, the present invention utilizes the fact that warm air is blown obliquely downward depending on the positional relationship between the air passage 2 and the warm air outlet 4, so that air that actively creates such warm air flow is used. If the shape of the path 2 is adopted, a further excellent effect can be obtained. That is, 2a is a top plate of the air passage 4 on the front surface side of the frame 1, and this top plate 2a is inclined downward and has a function of guiding the warm air flowing through the air passage 2 to the hot air outlet 4.
[0028]
As a result, the air sent from the indoor convection fan 3 to the air passage 2 reaches the warm air outlet 4 obliquely downward along the top plate 2a of the air passage 2 inclined without causing turbulence. The warm air when passing through the warm air outlet 4 with the air flow 7 is in a rectified state, the direction of the air flow changed by the air flow control unit 7a at the rear of the louver 7 is stabilized, and the gap between the louvers 7 It becomes possible to change the blowing direction of the warm air that passes through the air.
[0029]
On the other hand, since the inner cover portion 7b of the louver 7 is substantially inclined downward, when warm air flows directly toward the inclined surface, there is a possibility that the blowing direction of the warm air is directed to the floor surface. . Reference numeral 8 denotes an air shielding plate that is located in the air passage 2 between the indoor convection fan 3 and the hot air outlet 4 and blocks the air flow directly toward the hot air outlet 4. The wind of the indoor convection fan 5 is directed to the air shielding plate 8. The airflow is directed to the warm air outlet 4 after passing over the air shielding plate 8 without being directed directly to the hot air outlet 4 and hits the air flow control unit 7a of the louver 7. For this reason, since the inner cover part 7b of the louver 7 is behind the air flow control part 7a, the direction of the air flow changed by the air flow control part 7a at the rear part of the louver 7 is stabilized, and the blowing direction of the warm air is changed. It will be able to turn to the front of the heater.
[0030]
The embodiment shown in the figure is a pot type oil combustor that burns petroleum fuel. However, since the present invention relates to a louver attached to a hot air outlet that is continuous with the air passage, the type of burner is particularly problematic. Instead, it can also be applied to a gas fuel such as city gas or a combustor in which petroleum fuel is gasified instead of gas by applying heat in the vaporization chamber.
[0031]
【The invention's effect】
Since the function of the louver 7 of the conventional hot air outlet 4 is to change the air flow along the louver 7, when the interval between the louvers 7 is widened, the downward air generated from the shape of the air flow path 2. There was a risk that the flow would pass through the gap of the louver 7 and directly heat the floor in front of the heater. In the present invention, an air flow control unit 7a is provided at the rear part of the louver 7, the direction of the warm air flowing through the gap of the louver 7 is changed on the inlet side, and further, the air flow control unit 7a of the louver 7 adjacent to the upper side is continued. The warm air is made to adapt to the lower surface of the inner cover portion 7b, creating a flow toward the front of the heater, and the warm air draws a gentle curve after reaching the front away from the heater without reaching the floor. As we headed to the ceiling, hot air reached far away while preventing problems caused by heating of the floor, and the temperature distribution in the room became uniform.
[0032]
In addition, when the gap between the louvers 7 is wide, the burner 5 and the like in the air passage 2 can be directly seen from the front of the heater, which is problematic in terms of design. Since 7b was provided, the inside of the ventilation path 2 could not be seen directly, and the heater with an excellent design could be obtained.
[0033]
In addition, since the distance between the louvers 7 can be widened in the present invention as described above, the flow of the indoor convection fan 3 is not obstructed, and the indoor convection fan 3 does not need to use a high-rotation type or a large-diameter fan. The noise of the wind heater can be reduced, and an inexpensive indoor convection fan 7 can be used.
[0034]
Further, among the louvers 7 provided at the hot air outlet 4, the lowermost louver 7 has only the air flow control unit 7a, so that it can be manufactured at low cost and also reliably performs the function of creating an air flow in front of the heater. be able to.
[0035]
Moreover, since the top plate 2a of the air flow path 2 on the front side of the frame 1 is inclined downward, the warm air flowing through the air flow path 2 is directed toward the warm air outlet 4 without causing turbulence, and the louver 7 Since the warm air passing through a certain warm air outlet 4 is in a rectified state, the direction of the air flow changed by the air flow control unit 7a at the rear of the louver 7 is also stabilized, and acts on the warm air passing through the gap of the louver 7. The hot air blowing direction can be changed reliably.
[0036]
Further, since the air passage 2 on the front surface of the indoor convection fan 3 is provided with an air shielding plate 8 so that the wind of the indoor convection fan 3 does not directly go to the back surface of the inner cover portion 7b of the louver 7, the warm air is internally covered. There is no longer any change in the flow of hot air downwards when hitting the back surface of the portion 7b. Further, the air flow from the upper side of the air shielding plate 8 toward the warm air outlet 4 becomes an air flow directed obliquely downward, so that the air flow control plate 7a of the louver 7 can always perform the expected function.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of a hot air heater showing an embodiment of the present invention.
FIG. 2 is a longitudinal sectional view of a main part of a hot air heater showing an embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Frame body 2 Air flow path 2a Top plate 3 Indoor convection fan 4 Hot air blower outlet 5 Burner 6 Radiating part 7 Louver 7a Air flow control part 7b Inner cover part 8 Air shielding board

Claims (3)

枠体1内には枠体1の背部と枠体1の前部を連通する送風路2を設け、
該送風路2の枠体1の背面側には室内対流ファン3を、また、送風路2の枠体1の前面側には温風吹出口4を取付け、
該送風路2内にはバーナ5の放熱部6を配置し、
前記温風吹出口4には複数本のルーバー7が横設されており、
前記対流ファン3によって送風路2に吹込まれた室内空気は高温となって温風吹出口4から室内に吹出す温風暖房機において、
前記温風吹出口4は送風路2の下部に位置し、その温風吹出口4の上部に接続する送風路2の天板2aは、下方の温風吹出口4側が低位となる傾斜して形成され、前記対流ファン3は傾斜状の天板2aに向けて送風することで空気流を温風吹出口4に向けて下向きに流し
前記ルーバー7の後部には前記傾斜状の送風路天板2aに沿って下向きに流れる対流ファンの風に逆らって、ほぼ水平にもしくは後縁が低くなるように配置した空気流制御部7aを設け、
前記ルーバー7の前部には空気流制御部7aの後緑よりも低い位置に前縁を有するとともに、その前縁は下位のルーバー7の最高位置よりも高くして下位のルーバーとの間に水平方向の空気流通間隔を形成する内部覆い部7bを設け、
前記ルーバー7の隙間を素通りしようとするその内部覆い部7bの間隔に向う空気流は、前記空気流制御部7aにぶつかって水平もしくは上方に向けられた空気流により、下側から上に押し上げられるように前方に向かう空気流に変わり、上位のルーバー7の内部覆い部7bが流れ方向を変えられた前記空気流を前方に誘導することを特徴とする温風暖房機のルーバー構造。
In the frame body 1, an air passage 2 that communicates the back portion of the frame body 1 and the front portion of the frame body 1 is provided,
An indoor convection fan 3 is attached to the back side of the frame 1 of the air passage 2, and a warm air outlet 4 is attached to the front side of the frame 1 of the air passage 2,
A heat dissipating part 6 of the burner 5 is arranged in the air passage 2,
A plurality of louvers 7 are installed horizontally at the hot air outlet 4,
In the warm air heater that the indoor air blown into the air passage 2 by the convection fan 3 becomes a high temperature and blows into the room from the warm air outlet 4;
The hot air outlet 4 is located at the lower part of the air blowing path 2, and the top plate 2a of the air blowing path 2 connected to the upper part of the hot air outlet 4 is formed so as to be inclined so that the lower hot air outlet 4 side becomes lower, The convection fan 3 sends an air flow downward toward the hot air outlet 4 by sending air toward the inclined top plate 2a,
At the rear of the louver 7 is provided an air flow control unit 7a disposed so as to be substantially horizontal or to have a lower trailing edge against the wind of the convection fan flowing downward along the inclined air passage top plate 2a. ,
The front portion of the louver 7 has a front edge at a position lower than the rear green of the air flow control unit 7a , and the front edge is higher than the highest position of the lower louver 7 so as to be between the lower louvers. An internal cover 7b that forms a horizontal air flow interval is provided,
The air flow toward the interval of the inner cover portion 7b that tries to pass through the gap of the louver 7 is pushed up from the lower side by the air flow that hits the air flow control portion 7a and is directed horizontally or upward. Thus, the louver structure of the hot air heater is characterized in that the air flow is changed to the forward air flow, and the inner cover portion 7b of the upper louver 7 guides the air flow whose flow direction is changed forward .
温風吹出口4に複数本横設したルーバー7のうち、最下部のルーバー7はほぼ水平にもしくは後縁が低くなるように配置した空気流制御部7aのみで形成したことを特徴とする請求項1に記載した温風暖房機のルーバー構造。  The lowermost louver 7 out of a plurality of louvers 7 provided horizontally at the hot air outlet 4 is formed only by an air flow control portion 7a arranged substantially horizontally or with a lower rear edge. The louver structure of the hot air heater described in 1. 枠体1の背面に取付けた室内対流ファン3の前面の送風路2には直接温風吹出口4に向かう空気流を遮る空気遮蔽板8を配置し、該空気遮蔽板8が内部覆い部7bの裏面に向かう空気流を抑制する請求項1または請求項2に記載した温風暖房機のルーバー構造。  An air shielding plate 8 that blocks the air flow directly toward the hot air outlet 4 is disposed in the air passage 2 in front of the indoor convection fan 3 attached to the rear surface of the frame 1, and the air shielding plate 8 is disposed on the inner covering portion 7 b. The louver structure of a warm air heater according to claim 1 or 2, wherein an air flow toward the back surface is suppressed.
JP2002148558A 2002-05-23 2002-05-23 Hot air heater louver structure Expired - Fee Related JP4484419B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002148558A JP4484419B2 (en) 2002-05-23 2002-05-23 Hot air heater louver structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002148558A JP4484419B2 (en) 2002-05-23 2002-05-23 Hot air heater louver structure

Publications (2)

Publication Number Publication Date
JP2003336908A JP2003336908A (en) 2003-11-28
JP4484419B2 true JP4484419B2 (en) 2010-06-16

Family

ID=29706276

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002148558A Expired - Fee Related JP4484419B2 (en) 2002-05-23 2002-05-23 Hot air heater louver structure

Country Status (1)

Country Link
JP (1) JP4484419B2 (en)

Also Published As

Publication number Publication date
JP2003336908A (en) 2003-11-28

Similar Documents

Publication Publication Date Title
JP4571206B2 (en) Forced supply / exhaust heater
JP4571207B2 (en) Forced supply / exhaust heater
JP4484419B2 (en) Hot air heater louver structure
JP2004177075A (en) Hot air heater
JP3876688B2 (en) Thin hot air heater outlet
JP3565014B2 (en) Hot air structure of hot air heater
JP3527920B2 (en) Hot air heater blowout structure
JP3789425B2 (en) Hot air heater
JP4407498B2 (en) Hot air heater with reduced wind speed
JP3507868B2 (en) Louver structure of hot air heater
JP3295924B2 (en) Radiant heater with hot air mechanism
JP4259690B2 (en) Hot air heater
JP2858225B2 (en) Heating system
JP4773292B2 (en) Vaporizing oil combustion equipment
JP3723013B2 (en) Heating system
KR100442528B1 (en) Gas hot air heater
JP3498531B2 (en) Far-infrared radiation hot air heater
JP5434139B2 (en) Hot air heater
JP3564697B2 (en) Forced convection radiant heating system
JP5369722B2 (en) Blowing structure of hot air heater
EP1548370B1 (en) Reflection type oil burning appliance
CN114383156A (en) Integrated cooking stove
CN1522385A (en) Lamphouse
JP2957937B2 (en) Vaporized oil combustion equipment
JP2776177B2 (en) Hot air heater

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050520

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060822

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20061019

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070109

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070301

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20070529

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070727

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070905

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20070925

A912 Re-examination (zenchi) completed and case transferred to appeal board

Free format text: JAPANESE INTERMEDIATE CODE: A912

Effective date: 20071019

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100122

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100323

R150 Certificate of patent or registration of utility model

Ref document number: 4484419

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130402

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130402

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20160402

Year of fee payment: 6

LAPS Cancellation because of no payment of annual fees