JPH0387565A - Air cleaner type electric warm-air heater - Google Patents
Air cleaner type electric warm-air heaterInfo
- Publication number
- JPH0387565A JPH0387565A JP22200389A JP22200389A JPH0387565A JP H0387565 A JPH0387565 A JP H0387565A JP 22200389 A JP22200389 A JP 22200389A JP 22200389 A JP22200389 A JP 22200389A JP H0387565 A JPH0387565 A JP H0387565A
- Authority
- JP
- Japan
- Prior art keywords
- air
- spiral casing
- suction
- power supply
- temperature rise
- 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
- 238000010438 heat treatment Methods 0.000 claims description 23
- 239000000428 dust Substances 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 4
- 230000006866 deterioration Effects 0.000 abstract description 5
- 230000003647 oxidation Effects 0.000 abstract description 5
- 238000007254 oxidation reaction Methods 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000003292 diminished effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 208000035285 Allergic Seasonal Rhinitis Diseases 0.000 description 1
- 206010012438 Dermatitis atopic Diseases 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 201000008937 atopic dermatitis Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Direct Air Heating By Heater Or Combustion Gas (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は送風部の吸気側に除塵フィルター、吹出側に発
熱体を備えた空気浄化式電気温風機に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an air purifying electric warm air fan equipped with a dust removal filter on the intake side of a blower section and a heating element on the blowout side.
従来の技術
近年、煙草の副流煙、花粉症、子供のアトピー体質など
健康に１つわる室内空気の清浄化に対する要求が高１す
、特に室内を閉め切る冬期暖房時には、ハウスダスト、
煙草の煙などが室内空気を汚染するため、汚染物質を除
去することに一層の関心が払われるようになってきた。Conventional technology In recent years, there has been a high demand for indoor air purification, which is one of the health-related factors such as second-hand smoke from cigarettes, hay fever, and atopic dermatitis in children.
As cigarette smoke and other substances contaminate indoor air, more and more attention has been paid to removing pollutants.
こうした状況を背景に、室内空気を汚さない電気暖房機
に、積極的に室内空気を浄化する機能を附加した空気浄
化式温風機が利用されている。Against this background, air purifying warm air fans are being used, which are electric heaters that do not pollute the indoor air, with the added function of actively purifying the indoor air.
この種の空気浄化式電気温風機は、本体１０１の前面に
格子状の吸気口１０２を設け、その直後に除塵用フィル
ター１０３を取り付け、その後方に送風部１０４を備え
ている。送風部１０４は、モータ１０６．ファン１０６
．渦巻きケーシング１０７より或っている。送風部１０
４の吐出側には、発熱体１０８が設けられ、ここで清浄
空気は加熱され、温風として室内に吐出されるものであ
る。This type of air purifying electric warm air fan has a grid-shaped intake port 102 on the front surface of a main body 101, a dust removal filter 103 is attached immediately behind the intake port 102, and a blower section 104 is provided behind the intake port 102. The air blower 104 is connected to a motor 106. fan 106
．． From the spiral casing 107. Air blower 10
A heating element 108 is provided on the discharge side of the air conditioner 4, and the clean air is heated here and discharged into the room as warm air.
発明が解決しようとする課題
しかしながら、上記従来の構成では、発熱体１０８への
電気的接続部１０８ａは、発熱体１０８からの放熱や熱
伝達により温度が上昇して、酸化劣化や接続ゆるみを生
じやすく、接続部１０８ ａの寿命が大巾に低下すると
いう課題を有していた。Problems to be Solved by the Invention However, in the conventional configuration described above, the temperature of the electrical connection portion 108a to the heating element 108 increases due to heat radiation and heat transfer from the heating element 108, resulting in oxidation deterioration and connection loosening. However, there was a problem in that the life of the connecting portion 108a was greatly reduced.
また、発熱体１０８周辺からの放熱は次第に本体ケース
１０１の内部に蓄積され、それとともに接続部１０８ａ
の雰囲気温度が上昇し、前述の接続部１０８ａ自体の温
度上昇と相まって、接続部１０８ａの高温化をさらに進
めるという課題を有していた。In addition, heat dissipated from around the heating element 108 gradually accumulates inside the main body case 101, and along with it, the heat dissipated from the vicinity of the heating element 108
There was a problem in that the ambient temperature of the connecting portion 108a increased, and this combined with the aforementioned temperature increase of the connecting portion 108a itself caused the temperature of the connecting portion 108a to further increase.
本発明は、上記従来の課題を解決するもので、発熱体端
子の接続部を冷却するとともに発熱体の周辺からの放熱
を取り除いて本体ケース内の温度上昇を低下せしめ、電
気的接続部の高温による酸化、接続ゆるみなどの恐れを
解消する空気浄化式電気温風機を提供することを目的と
するものである。The present invention solves the above-mentioned conventional problems by cooling the connection part of the heating element terminal and removing heat radiation from the periphery of the heating element to reduce the temperature rise inside the main body case. The purpose of this invention is to provide an air purifying type electric hot air fan that eliminates the fear of oxidation caused by oxidation and loose connections.
課題を解決するための手段
この目的を達成するために、本発明の空気浄化式電気温
風機は、箱状の本体ケースと、前記本体ケースの前面に
設けられた吸気口と、前記吸気口の直後に設置された除
塵用フィル−と、室内空気を前記吸気口から取り入れ、
前記除塵用フィルターを通過させて吸引する遠心ファン
および渦巻きケーシング・と、前記渦巻きケーシングの
吸込側と前記除塵用フィルタの間を連通した吸引ダクト
と、前記渦巻きケーシングの吐出口に設けた発熱体と、
この発熱体からの温風を吹き出す本体前面に設けた温風
吹出口と、前記渦巻きケーシングの吐出口近傍に開口す
る吐出開口部と、前記吸引ダクトの一部に開口する吸込
開口部とを有し、前記吐出開口部からの気流は前記発熱
体の給電端子に吹き付けられる構成を有している。Means for Solving the Problems In order to achieve this object, the air purifying electric hot air fan of the present invention includes a box-shaped main body case, an intake port provided on the front surface of the main body case, and an air intake port provided at the front surface of the main body case. A dust removal filter was installed immediately after, and indoor air was taken in from the intake port.
A centrifugal fan and a spiral casing that suck air through the dust removal filter, a suction duct that communicates between the suction side of the spiral casing and the dust removal filter, and a heating element provided at the discharge port of the spiral casing. ,
It has a hot air outlet provided on the front surface of the main body for blowing out hot air from the heating element, a discharge opening that opens near the outlet of the spiral casing, and a suction opening that opens in a part of the suction duct. , the airflow from the discharge opening is blown onto the power supply terminal of the heating element.
作 用
この構成によシ、渦巻きケーシングの外周近傍を流れる
風のうちの一部が渦巻きケーシングに設けられた吐出開
口部から、発熱体の給電端子に、直接冷却風を送るとと
もに、吸引ダクトに形成された吸込開口部から、この吐
出空気が吸い込渣れて回収されるので、発熱体からの放
散熱は本体ケー７内から取シ除かれることとなる。Effect: With this configuration, part of the wind flowing near the outer periphery of the spiral casing is sent directly to the cooling air from the discharge opening provided in the spiral casing to the power supply terminal of the heating element, and is also sent to the suction duct. Since this discharged air is sucked in and recovered from the formed suction opening, the heat radiated from the heating element is removed from the inside of the main body case 7.
実施例
以下本発明の一実施例について、第１図〜第２図を参照
しながら説明する。EXAMPLE Hereinafter, an example of the present invention will be described with reference to FIGS. 1 and 2.
図示のように、箱型の本体ケーツ１は遠心ファン４と渦
巻きケーシング６よりなる送風部を内蔵し、また本体ケ
ース１の前面に格子状の吸気口２を設け、その直後に除
塵用フィルター３がセットされている。渦巻きケーシン
グ６の吸込側と前記フィルり３の間には吸引ダクト６が
気密を保つように設置されている。渦巻きケーシングｅ
の吐出側は、発熱体７を囲うヒータダクト８に連接され
、ヒータダクト８は、本体ケー７１の前面下方の吹出口
９に接続されている。発熱体７の給電端子部１０は渦巻
きケーシング６の外周側の下方に位置し、かつヒータダ
クト８の外側に突設している。As shown in the figure, the box-shaped main body case 1 has a built-in ventilation section consisting of a centrifugal fan 4 and a spiral casing 6, and a lattice-shaped intake port 2 is provided on the front surface of the main body case 1, and a dust removal filter 3 is provided immediately after that. is set. A suction duct 6 is installed between the suction side of the spiral casing 6 and the fill 3 so as to maintain airtightness. spiral casing e
The discharge side of is connected to a heater duct 8 surrounding the heating element 7, and the heater duct 8 is connected to an air outlet 9 on the lower front surface of the main body case 71. The power supply terminal portion 10 of the heating element 7 is located below the outer circumferential side of the spiral casing 6 and protrudes outside the heater duct 8 .
渦巻きケーシング６の外周面には吐出開口部１１を設け
、給電端子部１０に近接した位置にある。A discharge opening 11 is provided on the outer peripheral surface of the spiral casing 6 and is located close to the power supply terminal section 10 .
吐出開口部１１には内側に傾斜した突片１２が設けられ
、吐出開口部１１からの送風量の一部が流出しやすい形
状としている。渣た前記吸引ダクト５の下面には吸込開
口部１３を設は前記吐出開口部１１からの気流を効率的
に吸引できる位置に開孔している。The discharge opening 11 is provided with a protruding piece 12 that slopes inward, and has a shape that allows a portion of the amount of air blown from the discharge opening 11 to easily flow out. A suction opening 13 is provided on the lower surface of the suction duct 5, which is located at a position where the airflow from the discharge opening 11 can be efficiently sucked.
以上のように構成された本実施例の空気浄化式電気温風
機について以下その動作を説明する。The operation of the air purifying electric warm air fan of this embodiment configured as described above will be described below.
渣ず、運転を開始すると、遠心ファ７４が回転し、吸気
口２．除塵フィルター３．吸引ダクト６を通って渦巻き
ケーシング６の吸込側に清浄化された空気が取り込１れ
る。遠心ファン４によって吸引された空気は、渦巻きケ
ーシング６に沿って旋回しその吐出口側からヒータダク
ト８へと導かれ、発熱体７にて加熱され、温風となって
吹出口９から室内へ吐出される。このとき発熱体７の熱
は、大半は吹出口９から温風となって放出されるが、ヒ
ータダクト８も同時に加熱されるため、このヒータダク
ト８の壁面をとかして、その一部の熱は、本体ケース１
内に放出される。一方、発熱体７の給電端子部１０は、
通電による温度上昇、卦よび発熱体７からの伝熱による
温度上昇により、高温になシうるが、前記渦巻きケーシ
ング６の吐出開口部１１の内側に突設した突片１２に沿
って流出した空気流れが前記給電端子部１０に直接当９
、送風による冷却効果を発揮して温度上昇を軽度にとど
めることができる。さらに本体ケース１内に吐出された
空気は吸引ダクト６の吸込開口部１３から吸引される。When the operation starts, the centrifugal fan 74 rotates and the air intake port 2. Dust removal filter 3. Cleaned air is drawn into the suction side of the spiral casing 6 through the suction duct 6. The air sucked in by the centrifugal fan 4 swirls along the spiral casing 6 and is guided from the outlet side to the heater duct 8, heated by the heating element 7, turned into warm air, and discharged into the room from the outlet 9. be done. At this time, most of the heat from the heating element 7 is released as hot air from the outlet 9, but since the heater duct 8 is also heated at the same time, the wall surface of the heater duct 8 is melted, and some of the heat is Main case 1
released within. On the other hand, the power supply terminal portion 10 of the heating element 7 is
Although the temperature can be reduced due to the temperature increase due to energization, the temperature increase due to heat transfer from the hexagram and the heating element 7, the air flowing out along the protrusion 12 protruding inside the discharge opening 11 of the spiral casing 6 The flow directly hits the power supply terminal section 10 9
, it is possible to exert a cooling effect by blowing air and keep the temperature rise to a small level. Further, the air discharged into the main body case 1 is sucked through the suction opening 13 of the suction duct 6.
このとき、給電端子部１゜の発熱およびヒータダクト８
の壁面からの放熱をうはうので、給電端子部１ｏは高温
による酸化劣化を軽減し、また本体ケース１内の温度上
昇を防ぐことができる。At this time, heat generation at the power supply terminal 1° and heater duct 8
Since heat is dissipated from the wall surface of the main body case 1, the power supply terminal portion 1o can reduce oxidation deterioration due to high temperatures and can prevent a rise in temperature within the main body case 1.
以上のように本実施例によれば、渦巻きケーシングの外
周面に吐出開口部を設け、さらに吸引ダクトの下面に吸
込開口部を設けて発熱体の給電端子へ直接送風して高温
熱から生ずる給電端子の高温劣化現象を防止し、同時に
本体ケース内に放散される熱気を吸込開口部から回収す
ることによシ、本体ケース内の温度を低下して、給電端
子の周囲の温度上昇をも抑えることができる。As described above, according to this embodiment, a discharge opening is provided on the outer peripheral surface of the spiral casing, and a suction opening is further provided on the lower surface of the suction duct to blow air directly to the power supply terminal of the heating element to supply power generated from high-temperature heat. By preventing high-temperature deterioration of the terminal and at the same time recovering the hot air dissipated into the main body case from the suction opening, the temperature inside the main body case is lowered and the temperature rise around the power supply terminal is also suppressed. be able to.
発明の効果
本発明は、渦巻きケーシングの外周面に吐出開口部を設
け、さらに吸引ダクトの途中に吸込開口部をもうけて、
給電端子へ吐出開口部より直接送風して冷却し、そのお
と吸込開口部から発熱体周辺の加熱空気を吸込むことに
よシ、給電端子自体の温度上昇を送風にて低下させると
ともに、吐出開口部からこの給電端子へ送風した空気を
効率的に回収し、さらにヒータダクト壁面をとかして本
体ケース内に放散される熱渣でも回収して、給電端子の
周囲温度を抑えることができるので、給電端子の温度上
昇による酸化劣化や接続のゆるみを防ぐことができると
いう効果の得られる優れた空気浄化式電気温風機を実現
するものである。Effects of the Invention The present invention provides a discharge opening on the outer peripheral surface of the spiral casing, and further provides a suction opening in the middle of the suction duct.
By blowing air directly to the power supply terminal from the discharge opening to cool it, and then sucking the heated air around the heating element through the suction opening, the temperature rise of the power supply terminal itself is lowered by the air flow, and the discharge opening The air blown from the heater duct to the power supply terminal can be efficiently recovered, and the heat residue that is dissipated into the main body case by combing the heater duct wall can also be collected, reducing the ambient temperature of the power supply terminal. The purpose of the present invention is to realize an excellent air purifying electric hot air fan that can prevent oxidative deterioration and loose connections due to temperature rise.
第１図は本発明の一実施例における空気浄化式電気温風
機の断面図、第２図は同ケーシング断面図、第３図は従
来の空気浄化式電気温風機の断面図である。
１・・・・・・本体ケース、２・・・・・・吸気口、３
・・・・・・除塵用フィルｌｌ−，４・・・・・・遠心
ファン、６・・・・・・吸引ダクト、６・−・・・・渦
巻きケーシング、７・・・・・・発熱体、９・・・・・
・吹出口、１０・・・・・・給電端子、１１・・・・・
・吐出開口部、１３・・・・・・吸込開口部。FIG. 1 is a cross-sectional view of an air-purifying electric hot-air fan according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of the casing, and FIG. 3 is a cross-sectional view of a conventional air-purifying electric hot-air fan. 1...Body case, 2...Intake port, 3
...Dust removal filter ll-, 4... Centrifugal fan, 6... Suction duct, 6... Spiral casing, 7... Heat generation Body, 9...
・Air outlet, 10... Power supply terminal, 11...
・Discharge opening, 13... Suction opening.
Claims (1)
れた吸気口と、前記吸気口の背後に設置された除塵用フ
ィルターと、室内空気を前記吸気口から取り入れ、前記
除塵用フィルターを通過させて吸引する遠心ファンおよ
び渦巻きケーシングと、前記渦巻きケーシングの吸込側
と前記除塵用フィルタの間を連通した吸引ダクトと、前
記渦巻きケーシングの吐出口に連通して設けた発熱体と
、この発熱体からの温風を吹出す本体前面に設けた温風
吹出口と、前記渦巻きケーシングの吐出口近傍に開口す
る吐出開口部と、前記吸引ダクトの一部に開口する吸込
開口部とを有し、前記吐出開口部からの気流は、前記発
熱体の給電端子に吹き付けられる空気浄化式電気温風機
。A box-shaped main body case, an air intake port provided on the front side of the main body case, a dust removal filter installed behind the air intake port, indoor air taken in from the air intake port, and passed through the dust removal filter. a centrifugal fan and a spiral casing, a suction duct that communicates between the suction side of the spiral casing and the dust removal filter, a heating element that communicates with the discharge port of the spiral casing, and a a hot air outlet provided on the front surface of the main body for blowing out hot air; a discharge opening opening near the outlet of the spiral casing; and a suction opening opening in a part of the suction duct; The air purifying type electric warm air fan blows the airflow from the opening to the power supply terminal of the heating element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1222003A JPH0781742B2 (en) | 1989-08-29 | 1989-08-29 | Air purifying electric warmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1222003A JPH0781742B2 (en) | 1989-08-29 | 1989-08-29 | Air purifying electric warmer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0387565A true JPH0387565A (en) | 1991-04-12 |
| JPH0781742B2 JPH0781742B2 (en) | 1995-09-06 |
Family
ID=16775571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1222003A Expired - Lifetime JPH0781742B2 (en) | 1989-08-29 | 1989-08-29 | Air purifying electric warmer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0781742B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112481962A (en) * | 2019-09-12 | 2021-03-12 | 夏普株式会社 | Electrical device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61265449A (en) * | 1985-05-20 | 1986-11-25 | Matsushita Electric Ind Co Ltd | Warm-air type heater |
-
1989
- 1989-08-29 JP JP1222003A patent/JPH0781742B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61265449A (en) * | 1985-05-20 | 1986-11-25 | Matsushita Electric Ind Co Ltd | Warm-air type heater |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112481962A (en) * | 2019-09-12 | 2021-03-12 | 夏普株式会社 | Electrical device |
| JP2021041022A (en) * | 2019-09-12 | 2021-03-18 | シャープ株式会社 | Electrical equipment |
| CN112481962B (en) * | 2019-09-12 | 2024-04-02 | 夏普株式会社 | Electrical apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0781742B2 (en) | 1995-09-06 |
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