JP4893344B2 - Fan heater - Google Patents

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JP4893344B2
JP4893344B2 JP2007021975A JP2007021975A JP4893344B2 JP 4893344 B2 JP4893344 B2 JP 4893344B2 JP 2007021975 A JP2007021975 A JP 2007021975A JP 2007021975 A JP2007021975 A JP 2007021975A JP 4893344 B2 JP4893344 B2 JP 4893344B2
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fuel combustion
electrostatic atomizer
fan
fine particle
charged fine
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JP2008185320A (en
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昭輔 秋定
健太郎 小林
康一 平井
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Panasonic Corp
Panasonic Electric Works Co Ltd
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Panasonic Corp
Matsushita Electric Works Ltd
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Description

本発明は燃料を燃焼するための燃料燃焼部を備えたファンヒータに関する。   The present invention relates to a fan heater provided with a fuel combustion section for burning fuel.

従来、石油ファンヒータやガスファンヒータ等のファンヒータが暖房装置として利用されている。一般的なファンヒータは例えば特許文献１のように一端に外気吸込口を設けると共に他端に温風吹出口を設けた通気路を備え、通気路に燃料燃焼部及び該燃料燃焼部で発生した燃焼ガスを温風吹出口から吹き出すファンを設けている。   Conventionally, a fan heater such as an oil fan heater or a gas fan heater has been used as a heating device. A general fan heater is provided with an air passage provided with an outside air inlet at one end and a hot air outlet at the other end as disclosed in Patent Document 1, for example, and a fuel combustion section in the air passage and combustion generated in the fuel combustion section A fan that blows gas out of the hot air outlet is provided.

ところでこの種のファンヒータは燃料燃焼部で燃料を燃焼するものであるので、燃料や、燃料燃焼の開始時（点火時）や燃料燃焼の終了直後に生じる不完全燃焼により発生する臭いが室内に居る使用者にとっては不快となる。また室内には前記ファンヒータが発する臭いの他にも、体臭や、食品、料理、タバコなどの生活臭、カーテンやソファに染み付いた付着臭等の臭いも存在し、さらに冬場の低湿環境での活動が活発になるインフルエンザなどのウイルス、花粉、ノミやダニの屍骸等のアレルゲン、カビや一般生菌等も存在し、これらも室内環境を悪化させる要因となる。   By the way, since this type of fan heater burns fuel in the fuel combustion section, the odor generated by incomplete combustion that occurs at the start of fuel combustion (at the time of ignition) or immediately after the end of fuel combustion is generated indoors. It is uncomfortable for the existing user. In addition to the odor generated by the fan heater, there are also odors such as body odors, food odors, food odors, cigarettes and other living odors, and odors adhering to curtains and sofas. Viruses such as influenza that become active, pollen, allergens such as fleas and mite carcasses, molds and general living bacteria also exist, and these also cause the indoor environment to deteriorate.

ここで特許文献１に示すファンヒータにはマイナスイオン発生装置を設けてあり、マイナスイオン発生装置で発生させたマイナスイオンにより室内に居る人にリラックス効果を与えるようになっているが、上記室内環境を改善できるものではい。
特開２００５−６１６７２号公報 Here, the fan heater shown in Patent Document 1 is provided with a negative ion generator, and the negative ion generated by the negative ion generator gives a relaxing effect to people in the room. It is not something that can improve.
JP 2005-61672 A

本発明は上記従来の問題点に鑑みて発明したものであって、不完全燃焼により発生する臭いや、燃料自体から発する臭い、その他室内の臭いを除去でき、また室内のウイルス等を不活化できるファンヒータを提供することを課題とするものである。   The present invention has been invented in view of the above-mentioned conventional problems, and can remove odors generated by incomplete combustion, odors generated from the fuel itself, other indoor odors, and inactivate indoor viruses and the like. It is an object to provide a fan heater.

上記課題を解決するために本発明のファンヒータは、一端に温風吹出口４を有すると共に他端に外気吸込口３を有する通気路９を備え、通気路９に燃料燃焼部１２で発生した燃焼ガスを温風吹出口４から吹き出すファン１０を設けたファンヒータにおいて、放電電極１６に高電圧を印加することで放電電極１６の放電部１６ｂに保持される水を静電霧化して帯電微粒子水を生成する静電霧化装置１４と、該静電霧化装置１４で生成した帯電微粒子水を通気路９に供給する供給手段１５を備え、通気路９はファン１０よりも下流側で主流路４１とバイパス路４２に分岐し、主流路４１に前記燃料燃焼部１２で発生した燃焼ガスを供給すると共に該主流路４１の燃焼ガスが供給される部分よりも下流側にバイパス路４２の下流端を接続し、前記供給手段１５として、前記バイパス路４２に静電霧化装置１４の放電電極１６の放電部１６ｂを配設して成ることを特徴とする。上記静電霧化装置１４及び供給手段１５を備えることで、静電霧化装置１４で生成した脱臭効果や除菌効果の高い帯電微粒子水をファンヒータの暖房運転時や暖房運転の前後に通気路９に供給することができ、またこの帯電微粒子水をファン１０による送風に乗せて室内に広く行き渡らせることができる。 In order to solve the above-mentioned problems, the fan heater of the present invention includes a vent passage 9 having a hot air outlet 4 at one end and an outside air inlet 3 at the other end, and combustion generated in the fuel combustion section 12 in the vent passage 9. In the fan heater provided with the fan 10 that blows out the gas from the hot air outlet 4, by applying a high voltage to the discharge electrode 16, the water held in the discharge part 16 b of the discharge electrode 16 is electrostatically atomized to generate charged fine particle water. An electrostatic atomizer 14 to be generated and supply means 15 for supplying charged fine particle water generated by the electrostatic atomizer 14 to the air passage 9 are provided , and the air passage 9 is downstream of the fan 10 and has a main passage 41. And the bypass passage 42 is branched, and the combustion gas generated in the fuel combustion section 12 is supplied to the main passage 41, and the downstream end of the bypass passage 42 is provided downstream of the portion of the main passage 41 where the combustion gas is supplied. Connect As a means 15, characterized in that formed by disposing the discharge portion 16b of the discharge electrode 16 of the electrostatic atomizing device 14 in the bypass passage 42. By providing the electrostatic atomizer 14 and the supply means 15, the charged fine particle water having a high deodorizing effect and sterilizing effect generated by the electrostatic atomizer 14 is vented before and after the heating operation of the fan heater. The charged fine particle water can be supplied to the passage 9 and can be widely spread indoors by being blown by the fan 10.

また、バイパス路４２に放電電極１６の放電部１６ｂを配設してあるので、ファンヒータの暖房運転時に静電霧化を生じさせる時には放電電極１６の放電部１６ｂの近傍に燃焼ガスが混合される前の温度の低い空気を通過させることができ、放電電極１６の放電部１６ｂに保持された水や放電部１６ｂで生じた帯電微粒子水が蒸発し難くなる。 Further , since the discharge portion 16b of the discharge electrode 16 is disposed in the bypass path 42, combustion gas is mixed in the vicinity of the discharge portion 16b of the discharge electrode 16 when electrostatic atomization occurs during the heating operation of the fan heater. Air having a low temperature before the discharge can be passed, and water held in the discharge part 16b of the discharge electrode 16 and charged fine particle water generated in the discharge part 16b are less likely to evaporate.

また少なくとも前記燃料燃焼部１２による燃料燃焼の終了から所定時間が経過するまでの間、静電霧化装置１４による帯電微粒子水の生成及び該生成した帯電微粒子水の前記供給手段１５による供給を行う制御部３９を設けることも好ましい。燃料燃焼部１２による燃料燃焼の終了後に特に発生しやすい燃料の不完全燃焼による臭いを静電霧化装置１４で生成した帯電微粒子水により除去できる。   In addition, at least until a predetermined time has elapsed since the end of fuel combustion by the fuel combustion unit 12, the generation of charged fine particle water by the electrostatic atomizer 14 and the supply by the supply means 15 of the generated charged fine particle water are performed. It is also preferable to provide a control unit 39. The odor due to incomplete combustion of the fuel that is particularly likely to occur after the fuel combustion by the fuel combustion unit 12 can be removed by the charged fine particle water generated by the electrostatic atomizer 14.

また少なくとも前記燃料燃焼部１２による燃料燃焼時及び燃料燃焼の終了から所定時間が経過するまでの間、静電霧化装置１４による帯電微粒子水の生成及び該生成した帯電微粒子水の前記供給手段１５による供給を行い、前記燃料燃焼部１２の燃料燃焼の終了から所定時間が経過するまでの間における静電霧化装置１４の単位時間当たりの霧化量を燃料燃焼部１２による燃料燃焼時よりも増加させる制御部３９を設けることも好ましい。特に燃料燃焼部１２による燃料燃焼の終了後に特に発生しやすい燃料の不完全燃焼による臭いを静電霧化装置１４で生成した帯電微粒子水により効率良く除去できる。   In addition, at least during the fuel combustion by the fuel combustion unit 12 and until a predetermined time elapses from the end of the fuel combustion, generation of charged fine particle water by the electrostatic atomizer 14 and the supply means 15 for the generated charged fine particle water. The amount of atomization per unit time of the electrostatic atomizer 14 during the period from the end of fuel combustion in the fuel combustion unit 12 to the elapse of a predetermined time is greater than that during fuel combustion by the fuel combustion unit 12. It is also preferable to provide a control unit 39 for increasing. In particular, the odor due to incomplete combustion of the fuel that is particularly likely to occur after the completion of fuel combustion by the fuel combustion unit 12 can be efficiently removed by the charged fine particle water generated by the electrostatic atomizer 14.

また燃料燃焼部１２による燃料燃焼の開始よりも所定時間前に静電霧化装置１４による帯電微粒子水の生成及び該生成した帯電微粒子水の前記供給手段１５による供給を開始する制御部３９を設けることも好ましい。燃料燃焼部１２による燃料燃焼の開始直後に発生しやすい燃料の不完全燃焼による臭いを静電霧化装置１４で生成した帯電微粒子水により除去できる。   Further, a control unit 39 is provided for starting the generation of charged fine particle water by the electrostatic atomizer 14 and the supply of the generated charged fine particle water by the supply means 15 a predetermined time before the start of fuel combustion by the fuel combustion unit 12. It is also preferable. The odor due to incomplete combustion of the fuel that is likely to occur immediately after the start of fuel combustion by the fuel combustion unit 12 can be removed by the charged fine particle water generated by the electrostatic atomizer 14.

またファンヒータの外部の湿度を検知するための湿度検知手段を備え、該湿度検知手段で検知した湿度に基づいて静電霧化装置１４の動作時における単位時間当たりの霧化量を調節する制御部３９を設けることも好ましい。このように制御することで、例えば検知した室内の湿度が低くウイルスが活動しやすい場合には静電霧化装置１４の単位時間当たりの霧化量を増加させるといった制御を行い、インフルエンザや風邪などの感染を効率良く防ぐことができる。   In addition, control is provided that includes humidity detection means for detecting the humidity outside the fan heater, and adjusts the atomization amount per unit time during operation of the electrostatic atomizer 14 based on the humidity detected by the humidity detection means. It is also preferable to provide the portion 39. By controlling in this way, for example, when the detected indoor humidity is low and the virus is likely to act, control is performed to increase the amount of atomization of the electrostatic atomizer 14 per unit time, such as influenza and cold. Can be effectively prevented.

また前記ファン１０による単位時間当たりの送風量を可変とし、静電霧化装置１４の動作時における単位時間当たりの霧化量をファン１０の単位時間当たりの送風量に基づいて調節する制御部３９を設けることも好ましい。このように制御することで、ファン１０の単位時間当たりの送風量が大きく室内の隅々にまで帯電微粒子水を拡散させることが可能な時に静電霧化装置１４の単位時間当たりの霧化量を増加させるといった制御を行い、静電霧化装置１４で生じた帯電微粒子水を効率良く利用できる。   The control unit 39 adjusts the amount of atomization per unit time during operation of the electrostatic atomizer 14 based on the amount of airflow per unit time of the fan 10 while the amount of air flow per unit time by the fan 10 is variable. It is also preferable to provide By controlling in this way, the amount of atomization per unit time of the electrostatic atomizer 14 when the blown amount per unit time of the fan 10 is large and the charged fine particle water can be diffused to every corner of the room. The charged fine particle water generated in the electrostatic atomizer 14 can be efficiently used.

請求項１に係る発明では、ファンヒータの暖房運転時や暖房運転の前後に静電霧化装置で生成した帯電微粒子水を通気路に供給し、該帯電微粒子水をファンにより室内に広く行き渡らせることができ、この帯電微粒子水により室内の生活臭の脱臭を行い、ウイルス、アレルゲン、カビや一般生菌等を不活化でき、また温風吹出口から室内に吹き出される空気に含まれた燃料や燃料の不完全燃焼によって生じる臭いも除去でき、またこの臭いは通気路内に供給した帯電微粒子水により発生元となる燃料燃焼部に近い位置で効果的に除去できる。   In the invention according to claim 1, the charged fine particle water generated by the electrostatic atomizer is supplied to the air passage during the heating operation of the fan heater or before and after the heating operation, and the charged fine particle water is widely spread indoors by the fan. The charged fine particle water can deodorize living odors in the room, inactivate viruses, allergens, molds and general viable bacteria, and can also be used for fuel contained in the air blown into the room from the hot air outlet. The odor generated by incomplete combustion of the fuel can be removed, and the odor can be effectively removed at a position close to the fuel combustion portion as a generation source by the charged fine particle water supplied into the air passage.

また、暖房運転時に静電霧化を生じさせる場合、放電電極の放電部の近傍に燃焼ガスによって加熱されていない温度の低い空気を通過させることができ、放電電極の放電部に保持された水や放電部で生じた帯電微粒子水が蒸発し難くなり、静電霧化装置により帯電微粒子水を効率良く生成できる。 In addition , when electrostatic atomization is caused during heating operation, low temperature air that is not heated by the combustion gas can be passed in the vicinity of the discharge portion of the discharge electrode, and water retained in the discharge portion of the discharge electrode In addition, the charged fine particle water generated in the discharge portion is difficult to evaporate, and the charged fine particle water can be efficiently generated by the electrostatic atomizer.

また請求項２に係る発明では、請求項１に係る発明の効果に加えて、燃料燃焼部による燃料燃焼の終了後に特に発生しやすい不完全燃焼による臭いを静電霧化装置で生成した帯電微粒子水により除去できる。 Further, in the invention according to claim 2 , in addition to the effect of the invention according to claim 1 , the charged fine particles generated by the electrostatic atomizer that generate odor due to incomplete combustion that is particularly likely to occur after completion of fuel combustion by the fuel combustion unit. Can be removed with water.

また請求項３に係る発明では、請求項２に係る発明の効果に加えて、特に燃料燃焼部による燃料燃焼の終了後に特に発生しやすい不完全燃焼による臭いを静電霧化装置で生成した帯電微粒子水により効率良く除去できる。 Further, in the invention according to claim 3 , in addition to the effect of the invention according to claim 2 , in particular, the charging generated by the electrostatic atomizer is caused by incomplete combustion that is particularly likely to occur after completion of fuel combustion by the fuel combustion unit. Efficient removal with fine particle water.

また請求項４に係る発明では、請求項１乃至請求項３のいずれか１項に係る発明の効果に加えて、燃料燃焼部による燃料燃焼の開始直後に発生しやすい不完全燃焼による臭いを静電霧化装置で生成した帯電微粒子水により除去できる。 In addition, in the invention according to claim 4 , in addition to the effect of the invention according to any one of claims 1 to 3 , the odor due to incomplete combustion that is likely to occur immediately after the start of fuel combustion by the fuel combustion unit is quietly suppressed. It can be removed by charged fine particle water generated by an electroatomizer.

また請求項５に係る発明では、請求項１乃至請求項４のいずれか１項に係る発明の効果に加えて、例えば検知した室内の湿度が低くウイルスが活動しやすい場合には静電霧化装置の単位時間当たりの霧化量を増加させるといった制御を行って、インフルエンザや風邪などの感染を効率良く防ぐことができる。 Further, in the invention according to claim 5 , in addition to the effect of the invention according to any one of claims 1 to 4 , for example, when the detected indoor humidity is low and the virus is likely to act, electrostatic atomization Control such as increasing the amount of atomization per unit time of the device can efficiently prevent infection such as influenza and cold.

また請求項６に係る発明では、請求項１乃至請求項４のいずれか１項に係る発明の効果に加えて、例えばファンの単位時間当たりの送風量が大きく室内の隅々にまで帯電微粒子水を拡散させることが可能な時に静電霧化装置の単位時間当たりの霧化量を増加させるといった制御を行って、静電霧化装置で生じた帯電微粒子水を効率良く利用できる。 In addition, in the invention according to claim 6 , in addition to the effect of the invention according to any one of claims 1 to 4 , for example, the amount of blown air per unit time of the fan is large, and charged fine particle water reaches every corner of the room. By controlling such that the amount of atomization per unit time of the electrostatic atomizer is increased when it can be diffused, the charged fine particle water generated in the electrostatic atomizer can be used efficiently.

以下、本発明を添付図面に示す実施形態に基づいて説明する。本実施形態の一例のファンヒータは燃料燃焼部１２で燃焼する燃料として石油を用いる石油ファンヒータであって、図１に示すように外郭を室内の床上に設置される筐体１で構成している。筐体１には前後に貫通する風洞部２を形成してあり、筐体１の背面部から開口する風洞部２の一端開口で外気吸込口３を構成し、筐体１の前面部１ａから開口する風洞部２の他端開口で温風吹出口４を構成している。なお温風吹出口４には上下方向に複数並設した羽板からなるルーバ６を設けてあり、また外気吸込口３には通風可能なカバー７を設けている。   Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings. An example of the fan heater according to the present embodiment is an oil fan heater that uses oil as a fuel combusted in the fuel combustion unit 12, and has an outer casing configured by a casing 1 installed on an indoor floor as shown in FIG. 1. Yes. The casing 1 is formed with a wind tunnel portion 2 penetrating in the front-rear direction. One end opening of the wind tunnel portion 2 that opens from the back surface portion of the housing 1 constitutes an outside air inlet 3, and the front surface portion 1 a of the housing 1 The warm air outlet 4 is constituted by the other end opening of the open wind tunnel portion 2. The warm air outlet 4 is provided with a plurality of louvers 6 that are arranged in parallel in the vertical direction, and the outside air inlet 3 is provided with a cover 7 that allows ventilation.

風洞部２の底壁部上には燃焼室として上端を閉塞した筒状の燃焼塔８を立設してあり、風洞部２内の燃焼塔８内を除く空間部分で通気路９を構成している。即ち通気路９は一端に温風吹出口４を有すると共に他端に外気吸込口３を有している。通気路９の外気吸込口３側の端部（即ち上流側端部）にはプロペラファンからなるファン１０を配設してあり、ファン１０を運転することで筐体１の外部の空気が外気吸込口３から通気路９内に吸い込まれ温風吹出口４から吹き出される。   A cylindrical combustion tower 8 having a closed upper end as a combustion chamber is erected on the bottom wall portion of the wind tunnel portion 2, and an air passage 9 is formed by a space portion in the wind tunnel portion 2 excluding the inside of the combustion tower 8. ing. That is, the air passage 9 has the warm air outlet 4 at one end and the outside air inlet 3 at the other end. A fan 10 made of a propeller fan is disposed at the end of the air passage 9 on the outside air inlet 3 side (that is, the upstream end), and the air outside the housing 1 is exposed to the outside air by operating the fan 10. The air is sucked into the air passage 9 from the suction port 3 and blown out from the hot air outlet 4.

燃焼塔８の下方に位置する筐体１の下部には燃焼装置として燃料を燃焼するバーナ１１を内装してあり、該バーナ１１と燃焼塔８で燃料燃焼部１２を構成している。燃焼塔８の外気吸込口３と反対側の面である前面の上端部には排気口１３を形成してあり、バーナ１１による燃焼塔８内の燃料燃焼で生じた燃焼ガスは排気口１３を介して前方の通気路９に供給される。なお燃料燃焼部１２には図示しない点火手段及び消化手段を設けてあり、燃料燃焼の開始及び終了は筐体１に内装した制御部３９（図４参照）によって制御される。   A burner 11 that combusts fuel as a combustion device is housed in the lower part of the casing 1 located below the combustion tower 8, and the burner 11 and the combustion tower 8 constitute a fuel combustion section 12. An exhaust port 13 is formed at the upper end of the front surface of the combustion tower 8 opposite to the outside air inlet 3, and the combustion gas generated by the fuel combustion in the combustion tower 8 by the burner 11 passes through the exhaust port 13. To the front air passage 9. The fuel combustion section 12 is provided with ignition means and digestion means (not shown), and the start and end of fuel combustion are controlled by a control section 39 (see FIG. 4) built in the housing 1.

ここで本例のファンヒータは、静電霧化装置１４と、該静電霧化装置１４で生成した帯電微粒子水を通気路９に供給する供給手段１５を備えている。   Here, the fan heater of this example includes an electrostatic atomizer 14 and a supply unit 15 that supplies charged fine particle water generated by the electrostatic atomizer 14 to the air passage 9.

図３に静電霧化装置１４の概略構成図を示す。静電霧化装置１４は放電電極１６に高電圧を印加することで放電電極１６に保持される水を静電霧化して帯電微粒子水を生成するもので、放電電極１６及び対向電極１７を備えた霧化ブロック１８と、放電電極１６に供給された水を静電霧化するために放電電極１６に高電圧を印加する高電圧印加部１９と、ペルチェ冷却制御回路２７を備えている。   FIG. 3 shows a schematic configuration diagram of the electrostatic atomizer 14. The electrostatic atomizer 14 generates charged fine particle water by electrostatically atomizing water held by the discharge electrode 16 by applying a high voltage to the discharge electrode 16. The electrostatic atomizer 14 includes a discharge electrode 16 and a counter electrode 17. The atomization block 18, a high voltage application unit 19 that applies a high voltage to the discharge electrode 16 to electrostatically atomize the water supplied to the discharge electrode 16, and a Peltier cooling control circuit 27 are provided.

また静電霧化装置１４は放電電極１６に水を供給する水供給手段として放電電極１６を冷却する冷却手段を備え、冷却手段により放電電極１６の表面に空気中の水分を結露させて、放電電極１６の放電部１６ｂに静電霧化に利用される結露水を供給できるようになっている。   The electrostatic atomizer 14 includes a cooling means for cooling the discharge electrode 16 as a water supply means for supplying water to the discharge electrode 16, and moisture in the air is condensed on the surface of the discharge electrode 16 by the cooling means. The dew condensation water used for electrostatic atomization can be supplied to the discharge part 16b of the electrode 16.

冷却手段は霧化ブロック１８に設けたペルチェユニット２１で構成される。ペルチェユニット２１は、熱伝導性の高いアルミナや窒化アルミニウムからなる絶縁板２２の片面側に回路２３を形成してある一対のペルチェ回路板２４ａ、２４ｂを、互いの回路２３側が向かい合うように対向させ、多数列設してあるＢｉＴｅ系の熱電素子２５を両ペルチェ回路板２４ａ、２４ｂ間で挟持すると共に隣接する熱電素子２５同士を両側の回路２３、２３で電気的に接続してペルチェモジュール２６を構成し、ペルチェ冷却制御回路２７からペルチェ入力線２８を介して為される熱電素子２５への通電により一方のペルチェ回路板２４ａ側から他方のペルチェ回路板２４ｂ側に向けて熱が移動するように設けたものであり、ペルチェモジュール２６の一方の側が冷却側、他方の側が放熱側となる。   The cooling means includes a Peltier unit 21 provided in the atomization block 18. The Peltier unit 21 has a pair of Peltier circuit boards 24a and 24b in which a circuit 23 is formed on one side of an insulating board 22 made of alumina or aluminum nitride having high thermal conductivity, so that the circuit 23 side faces each other. A plurality of BiTe-based thermoelectric elements 25 are sandwiched between the two Peltier circuit boards 24a and 24b, and the adjacent thermoelectric elements 25 are electrically connected by the circuits 23 and 23 on both sides to connect the Peltier module 26. And heat is transferred from the Peltier cooling control circuit 27 through the Peltier input line 28 to the thermoelectric element 25 so that heat is transferred from the one Peltier circuit board 24a side to the other Peltier circuit board 24b side. One side of the Peltier module 26 is a cooling side, and the other side is a heat dissipation side.

ペルチェモジュール２６の冷却側のペルチェ回路板２４ａの外側にはセラッミック、アルミナや窒化アルミニウム等からなり、高熱伝導性及び電気的絶縁性の高い冷却用絶縁板２９を接続し、また放熱側のペルチェ回路板２４ｂの外側にはアルミニウム等の金属からなる高熱伝導性の放熱板又は放熱フィンからなる放熱部３０を接続している。冷却用絶縁板２９のペルチェモジュール２６と反対側の面には放電電極１６を立設してあり、このように冷却用絶縁板２９に接続された放電電極１６はペルチェモジュール２６の冷却側のペルチェ回路板２４ａに熱的に接続される。これにより前述のペルチェ冷却制御回路２７により熱電素子２５に通電を行うことで、ペルチェ回路板２４ａを介して放電電極１６が冷却され、放電電極１６の表面に静電霧化に利用される結露水が発生することとなる。   The outside of the Peltier circuit board 24a on the cooling side of the Peltier module 26 is connected to a cooling insulating board 29 made of ceramic, alumina, aluminum nitride, or the like, which has high thermal conductivity and high electrical insulation, and a Peltier circuit on the heat dissipation side. A heat radiating section 30 made of a heat radiating plate or a heat radiating fin made of a metal such as aluminum is connected to the outside of the plate 24b. The discharge electrode 16 is provided upright on the surface of the cooling insulating plate 29 opposite to the Peltier module 26, and the discharge electrode 16 connected to the cooling insulating plate 29 in this manner is connected to the Peltier module 26 on the cooling side. It is thermally connected to the circuit board 24a. As a result, when the thermoelectric element 25 is energized by the Peltier cooling control circuit 27, the discharge electrode 16 is cooled via the Peltier circuit board 24a, and the condensed water used for electrostatic atomization on the surface of the discharge electrode 16 Will occur.

上記放電電極１６は胴や胴合金等の熱伝導性の良い材料により形成してあり、ペルチェモジュール２６側の端部を除く主部１６ａは棒状に形成してある。放電電極１６の主部１６ａの先端部は球状や先端が尖った錘状の部分を備え、その最先端が放電部１６ｂとなり霧化部となる。   The discharge electrode 16 is formed of a material having good thermal conductivity such as a trunk or a trunk alloy, and the main portion 16a except for the end on the Peltier module 26 side is formed in a rod shape. The distal end portion of the main portion 16a of the discharge electrode 16 includes a spherical portion or a weight-like portion with a sharp distal end, and the leading end thereof becomes the discharge portion 16b and becomes an atomizing portion.

放電電極１６の主部１６ａの先端側の放電電極１６に対向する位置にはステンレス（例えばＳＵＳ３０４）などの腐食に強い材料により形成された環状の対向電極１７を配置してあり、該対向電極１７の中央の孔１７ａの中心線上に放電電極１６の放電部１６ｂが位置している。対向電極１７はペルチェモジュール２６を覆う樹脂製のハウジング３１により保持してあり、該ハウジング３１はペルチェユニット２１の放熱部３０に螺子からなる固着具３２で固着してある。そしてこのように一体化された放電電極１６、対向電極１７、ペルチェユニット２１、ハウジング３１により霧化ブロック１８は構成されている。   An annular counter electrode 17 formed of a corrosion-resistant material such as stainless steel (for example, SUS304) is disposed at a position facing the discharge electrode 16 on the tip side of the main portion 16a of the discharge electrode 16, and the counter electrode 17 The discharge part 16b of the discharge electrode 16 is located on the center line of the central hole 17a. The counter electrode 17 is held by a resin housing 31 that covers the Peltier module 26, and the housing 31 is fixed to the heat radiating portion 30 of the Peltier unit 21 with a fixing tool 32 made of a screw. And the atomization block 18 is comprised by the discharge electrode 16, the counter electrode 17, the Peltier unit 21, and the housing 31 integrated in this way.

霧化ブロック１８の放電電極１６及び対向電極１７は高電圧印加部１９に夫々高圧リード線３３を介して接続され、高電圧印加部１９から放電電極１６と対向電極１７との間に高電圧が印加されるようになっている。   The discharge electrode 16 and the counter electrode 17 of the atomization block 18 are respectively connected to the high voltage application unit 19 via the high voltage lead wire 33, and a high voltage is applied between the discharge electrode 16 and the counter electrode 17 from the high voltage application unit 19. It is to be applied.

上記静電霧化装置１４で静電霧化を生じさせるには、ペルチェ冷却制御回路２７によりペルチェユニット２１の熱電素子２５に通電した状態で高電圧印加部１９により放電電極１６と対向電極１７に高電圧を印加する。これにより放電電極１６の放電部と対向電極１７との間で電界が形成されると共に放電電極１６の先端に電界が集中し、放電電極１６の先端の電荷が高密度となり、電荷の反発力で放電電極１６の放電部の表面に保持された水が弾けて***・飛散（レーリー***）を繰り返して静電霧化が行われる。この静電霧化により粒径が３〜数十ｎｍ程度のナノメータサイズで強い電荷を持つ帯電微粒子水が発生し、該帯電微粒子水は放電電極１６の先端側に位置する対向電極１７の中央の孔１７ａから外部に放出される。ここで生成される帯電微粒子水は反応性に富む活性種（ヒドロキシラジカル、スーパーオキサイド等の脱臭・除菌の源となる物質）を有し、この活性種の働きで臭気成分を除去でき、またウイルス、アレルゲン、カビや一般生菌等を不活化でき、また粒子径がナノメータサイズと非常に小さいため拡散しやすく、また浸透もしやすいものである。   In order to cause electrostatic atomization by the electrostatic atomizer 14, the high voltage application unit 19 causes the discharge electrode 16 and the counter electrode 17 to be applied while the thermoelectric element 25 of the Peltier unit 21 is energized by the Peltier cooling control circuit 27. Apply high voltage. As a result, an electric field is formed between the discharge portion of the discharge electrode 16 and the counter electrode 17, and the electric field is concentrated on the tip of the discharge electrode 16, the charge at the tip of the discharge electrode 16 becomes high density, and the repulsive force of the charge The water held on the surface of the discharge part of the discharge electrode 16 bounces and repeats splitting and scattering (Rayleigh splitting) to perform electrostatic atomization. Due to this electrostatic atomization, charged fine particle water having a nanometer size with a particle size of about 3 to several tens of nanometers and having a strong charge is generated. It is discharged to the outside from the hole 17a. The charged fine particle water generated here has active species rich in reactivity (substances that are the source of deodorization and sterilization such as hydroxy radicals and superoxide), and the active species can remove odorous components. It can inactivate viruses, allergens, fungi, live bacteria, etc., and has a very small particle size of nanometer size, so it is easy to diffuse and penetrate easily.

図２に示すようにファンヒータの筐体１の内部には通気路９に隣接する霧化装置収納部３４を形成してあり、霧化装置収納部３４内には静電霧化装置１４の霧化ブロック１８を収納している。霧化装置収納部３４内の空間と通気路９内の空間を隔てる隔壁３５は風洞部２の前壁部２ａで構成してあり、該隔壁３５の上下方向の中央部には供給口３６を設けている。霧化ブロック１８の放電電極１６の先端及び対向電極１７の孔１７ａは供給口３６を介して通気路９内に臨み、霧化ブロック１８で生成された帯電微粒子水は通気路９内に供給されるようになっている。即ち本例では霧化ブロック１８及び供給口３６で供給手段１５を構成している。   As shown in FIG. 2, an atomizer housing portion 34 adjacent to the air passage 9 is formed inside the fan heater housing 1, and the electrostatic atomizer 14 is placed in the atomizer housing portion 34. The atomization block 18 is accommodated. A partition wall 35 that separates the space in the atomizer storage unit 34 and the space in the air passage 9 is constituted by the front wall 2a of the wind tunnel portion 2, and a supply port 36 is provided at the center in the vertical direction of the partition wall 35. Provided. The tip of the discharge electrode 16 of the atomization block 18 and the hole 17a of the counter electrode 17 face the air passage 9 through the supply port 36, and the charged particulate water generated in the atomization block 18 is supplied into the air passage 9. It has become so. In other words, in this example, the atomizing block 18 and the supply port 36 constitute the supply means 15.

また前記隔壁３５の一端部（上端部）及び他端部（下端部）には通気路９に連通する空気流入口３７及び空気流出口３８を設けてあり、空気流入口３７は通気路９の排気口１３に対応する位置又は排気口１３よりも下流側の位置で開口し、また空気流出口３８は通気路９の空気流入口３７よりも下流側の位置で開口している。このためファン１０の運転時には通気路９を流れる空気の一部が空気流入口３７から霧化装置収納部３４内に流入した後、空気流出口３８から通気路９内に戻り、該霧化装置収納部３４内の空間が通気路９のバイパスとして機能する。このように霧化ブロック１８を収納した霧化装置収納部３４内に通気路９からの空気を通過させることで、霧化装置収納部３４内を流れる空気を霧化ブロック１８の放熱部３０の近傍に通過させて放熱部３０を冷却でき、ペルチェユニット２１による結露水の生成量を増加させ、静電霧化装置１４による静電霧化を安定して生じさせることができる。   An air inlet 37 and an air outlet 38 communicating with the air passage 9 are provided at one end (upper end) and the other end (lower end) of the partition wall 35, and the air inlet 37 is connected to the air passage 9. The air outlet 38 is opened at a position corresponding to the exhaust port 13 or a position downstream of the exhaust port 13, and the air outlet 38 is opened at a position downstream of the air inlet 37 of the air passage 9. For this reason, when the fan 10 is operated, a part of the air flowing through the air passage 9 flows into the atomizing device housing portion 34 from the air inlet 37 and then returns into the air passage 9 from the air outlet 38. The space in the storage portion 34 functions as a bypass for the air passage 9. Thus, the air flowing through the atomizing device storage portion 34 is allowed to pass through the atomizing device storage portion 34 storing the atomizing block 18, thereby allowing the air flowing in the atomizing device storage portion 34 to flow out of the heat dissipation portion 30 of the atomization block 18. The heat radiation part 30 can be cooled by passing it in the vicinity, the amount of condensed water generated by the Peltier unit 21 can be increased, and electrostatic atomization by the electrostatic atomizer 14 can be stably generated.

上記ファンヒータを利用して暖房を行うには、使用者が筐体１の外面等に設けた動作開始／停止スイッチからなる操作部４０を操作して図５に示すように制御部３９に暖房開始の指令をする。制御部３９は暖房開始指令の信号を受けると、まずファン１０の運転を開始し、これと同時又は直後にペルチェ冷却制御回路２７によりペルチェユニット２１の熱電素子２５に通電すると共に高電圧印加部１９により放電電極１６と対向電極１７に高電圧を印加して静電霧化装置１４の動作を開始する。これにより静電霧化装置１４の霧化ブロック１８においては静電霧化が生じ、放電電極１６で生じた帯電微粒子水は供給口３６から通気路９内に供給され、また該帯電微粒子水はファン１０で生じた風に乗って温風吹出口４から室内に吹き出される。   In order to perform heating using the fan heater, the user operates the operation unit 40 including an operation start / stop switch provided on the outer surface of the housing 1 to heat the control unit 39 as shown in FIG. Command to start. Upon receiving the heating start command signal, the control unit 39 first starts the operation of the fan 10, and simultaneously or immediately after this, the Peltier cooling control circuit 27 energizes the thermoelectric element 25 of the Peltier unit 21 and the high voltage application unit 19. Thus, a high voltage is applied to the discharge electrode 16 and the counter electrode 17 to start the operation of the electrostatic atomizer 14. As a result, electrostatic atomization occurs in the atomization block 18 of the electrostatic atomizer 14, and the charged fine particle water generated at the discharge electrode 16 is supplied into the air passage 9 from the supply port 36. It rides on the wind generated by the fan 10 and blows out into the room from the hot air outlet 4.

この後、制御部３９は前記静電霧化装置１４の動作の開始（即ち熱電素子への通電及び放電電極１６及び対向電極１７間への電圧印加）から所定時間後に燃料燃焼部１２による燃料燃焼を開始して暖房運転を開始する。このように燃料燃焼部１２及びファン１０を同時に動作させると、燃焼塔８内で発生した燃焼ガスは排気口１３から通気路９に供給され、ここでファン１０により外気吸込口３から通気路９内に吸い込まれた空気と混合され、この後、温風吹出口４を介して温風として吹き出される。またこの暖房運転時においても静電霧化装置１４の霧化ブロック１８においては静電霧化が生じているので、放電電極１６で生じた帯電微粒子水は供給口３６から通気路９内に供給され、ファン１０で生じた風と共に帯電微粒子水が温風吹出口４から室内に吹き出される。   Thereafter, the control unit 39 performs fuel combustion by the fuel combustion unit 12 after a predetermined time from the start of the operation of the electrostatic atomizer 14 (that is, energization of the thermoelectric element and voltage application between the discharge electrode 16 and the counter electrode 17). To start heating operation. When the fuel combustion unit 12 and the fan 10 are simultaneously operated in this way, the combustion gas generated in the combustion tower 8 is supplied from the exhaust port 13 to the air passage 9, where the fan 10 passes the air passage 9 from the outside air inlet 3. It is mixed with the air sucked in, and then blown out as hot air through the hot air outlet 4. Further, even during this heating operation, electrostatic atomization occurs in the atomization block 18 of the electrostatic atomizer 14, so that charged fine particle water generated at the discharge electrode 16 is supplied into the air passage 9 from the supply port 36. Then, the charged fine particle water is blown out into the room from the hot air outlet 4 together with the wind generated by the fan 10.

上記暖房運転を停止するには使用者が動作開始／停止スイッチからなる操作部４０を操作して図５に示すように制御部３９に暖房停止の指令をする。制御部３９は暖房停止指令の信号を受けると、燃料燃焼部１２での燃料燃焼を終了し、この所定時間後（好ましくは５分〜１０分後）にペルチェ冷却制御回路２７によるペルチェユニット２１の熱電素子２５への通電を停止すると共に高電圧印加部１９による放電電極１６と対向電極１７間への電圧印加を停止して、静電霧化装置１４の動作を終了し、該静電霧化装置１４の動作の終了と同時又は直後にファン１０を停止する。   To stop the heating operation, the user operates the operation unit 40 including an operation start / stop switch to instruct the control unit 39 to stop heating as shown in FIG. When the control unit 39 receives the heating stop command signal, the control unit 39 ends the fuel combustion in the fuel combustion unit 12, and after this predetermined time (preferably after 5 to 10 minutes), the Peltier cooling control circuit 27 performs the operation of the Peltier unit 21. The energization of the thermoelectric element 25 is stopped and the voltage application between the discharge electrode 16 and the counter electrode 17 by the high voltage application unit 19 is stopped, the operation of the electrostatic atomizer 14 is terminated, and the electrostatic atomization is performed. The fan 10 is stopped at the same time as or after the end of the operation of the device 14.

上記のように本例のファンヒータは、上記暖房運転時や暖房運転の前後における静電霧化装置１４の動作時において、静電霧化装置１４で生成した帯電微粒子水を供給手段１５により通気路９に供給することができる。従ってこの暖房運転時及び暖房運転の前後における静電霧化装置１４の動作時においては、ファン１０により通気路９内を流れる空気に乗せて温風吹出口４から帯電微粒子水を室内に吹き出し、該帯電微粒子水を室内に広く行き渡らせることができ、この帯電微粒子水により室内の生活臭の脱臭を行い、ウイルス、アレルゲン、カビや一般生菌等を不活化でき、また温風吹出口４から室内に吹き出される空気に含まれた燃料や燃料の不完全燃焼によって生じる臭いも除去できる。しかも燃料や燃料の不完全燃焼によって生じる臭いは通気路９内に供給した帯電微粒子水により臭いの発生元となる燃料燃焼部１２（燃焼塔８）に近い位置で効果的に除去できる。   As described above, the fan heater of this example allows the charged fine particle water generated by the electrostatic atomizer 14 to be ventilated by the supply means 15 during the heating operation or during the operation of the electrostatic atomizer 14 before and after the heating operation. Can be supplied to the line 9. Therefore, during the heating operation and during the operation of the electrostatic atomizer 14 before and after the heating operation, the charged particulate water is blown out from the hot air outlet 4 into the room by being placed on the air flowing through the air passage 9 by the fan 10. Charged fine particle water can be widely distributed indoors, and this charged fine particle water can deodorize living odors in the room, inactivate viruses, allergens, molds and general living bacteria, etc. The odor produced by the fuel contained in the blown-out air and the incomplete combustion of the fuel can also be removed. In addition, the odor generated by the incomplete combustion of the fuel and the fuel can be effectively removed at a position close to the fuel combustion section 12 (combustion tower 8) from which the odor is generated by the charged fine particle water supplied into the air passage 9.

また本例では放電電極１６に水を供給する水供給手段をペルチェユニット２１で構成してあるので、帯電微粒子水の基となる水を補充する必要がなく手間が省ける。また静電霧化装置１４の動作時には暖房運転時や暖房運転の前後のいずれにおいても、霧化ブロック１８の放熱部３０をファン１０により霧化装置収納部３４内に流入させた空気によって冷却できる。このため静電霧化装置１４の動作時にはペルチェユニット２１により放電電極１６を確実に冷却でき、帯電微粒子水の基となる結露水を確実に生成できる。なお上記暖房運転時においては空気流入口３７から霧化装置収納部３４内に流入する空気は排気口１３から出た燃焼ガスと混合した後のものであって温度は高いが、ペルチェユニット２１による結露水生成時の放熱部３０の温度よりも低く、即ち暖房運転時においても放熱部３０は充分に冷却されるものである。 Further, in this example, the water supply means for supplying water to the discharge electrode 16 is constituted by the Peltier unit 21, so that it is not necessary to replenish the water that is the basis of the charged fine particle water, thereby saving labor. Further, during the operation of the electrostatic atomizer 14, the heat radiating portion 30 of the atomization block 18 can be cooled by the air that has flowed into the atomizer housing portion 34 by the fan 10 either during the heating operation or before and after the heating operation. . For this reason, when the electrostatic atomizer 14 is operated, the discharge electrode 16 can be reliably cooled by the Peltier unit 21, and the dew condensation water that forms the basis of the charged fine particle water can be reliably generated. Note high temperatures I Oh those air flowing from the air inlet 37 to the atomizer housing portion 34 after mixing with the combustion gases exiting the exhaust port 13 during the heating operation, but Peltier unit 21 The temperature of the heat radiating unit 30 is lower than the temperature of the heat radiating unit 30 when the condensed water is generated.

なお、本例では暖房運転時及び暖房運転の前後において静電霧化装置１４による帯電微粒子水の生成及び該生成した帯電微粒子水の供給手段１５による供給を行うようにしたが、暖房運転時のみ、暖房運転の前のみ、暖房運転の後にのみ、加えて暖房運転時及び暖房運転の前、暖房運転時及び暖房運転の後、暖房運転の前後に、静電霧化装置１４による帯電微粒子水の生成及び該生成した帯電微粒子水の供給手段１５による供給を行うようにしても良い。   In this example, the charged atomized water is generated by the electrostatic atomizer 14 and supplied by the supply means 15 during the heating operation and before and after the heating operation, but only during the heating operation. Only before the heating operation, only after the heating operation, in addition, at the time of the heating operation and before the heating operation, at the time of the heating operation and after the heating operation, and before and after the heating operation, the charged fine particle water by the electrostatic atomizer 14 Generation and supply by the supply means 15 of the generated charged fine particle water may be performed.

図６及び図７に本発明のファンヒータの他例を示す。なお以下の説明では上記一例と同一の構成については同一の番号を付与し、重複する説明は省略する。   6 and 7 show another example of the fan heater of the present invention. In the following description, the same components as those in the above example are given the same numbers, and redundant descriptions are omitted.

本例の通気路９はファン１０よりも下流側で主流路４１とバイパス路４２に分岐している。主流路４１は図１の一例における通気路９のファン１０よりも下流側で且つ排気口１３よりも上流側の位置よりも下流側の部分で構成される。即ち主流路４１には排気口１３を設けてあり、該排気口１３を介して燃料燃焼部１２で発生した燃焼ガスが供給されるようになっている。バイパス路４２は筐体１の天面部１ｂ及び前面部１ａと天面部１ｂ及び前面部１ａの夫々に対向する風洞部２の天壁部２ｂ及び前壁部２ａとで形成される。バイパス路４２の上流端となる一端は風洞部２の天壁部２ｂから開口し、風洞部２に連通している。またバイパス路４２の下流端となる他端は風洞部２の前壁部２ａから開口し、主流路４１における排気口１３よりも下流側に連通接続されている。   The air passage 9 in this example is branched into a main passage 41 and a bypass passage 42 on the downstream side of the fan 10. The main flow path 41 is configured by a portion on the downstream side of the air passage 9 in the example of FIG. 1 and on the downstream side of the position on the upstream side of the exhaust port 13. That is, the main flow path 41 is provided with an exhaust port 13 through which the combustion gas generated in the fuel combustion section 12 is supplied. The bypass path 42 is formed by the top wall 1b and the front wall 2a of the wind tunnel 2 facing the top surface 1b and the front surface 1a of the housing 1 and the top surface 1b and the front surface 1a, respectively. One end, which is the upstream end of the bypass 42, opens from the top wall 2 b of the wind tunnel 2 and communicates with the wind tunnel 2. The other end, which is the downstream end of the bypass passage 42, opens from the front wall 2 a of the wind tunnel portion 2, and is connected to the downstream side of the exhaust port 13 in the main channel 41.

上記筐体１内に形成されたバイパス路４２には静電霧化装置１４の霧化ブロック１８を設けてあり、放電電極１６の放電部１６ｂはバイパス路４２に配置されている。放電電極１６の放電部１６ｂで生成された帯電微粒子水は電圧印加により放電電極１６及び対向電極１７間に形成される電界の作用を受けて対向電極１７の孔１７ａからバイパス路４２に供給されるようになっている。即ち本例では霧化ブロック１８で静電霧化装置１４によって生成した帯電微粒子水を通気路９に供給する供給手段１５を構成している。   The bypass passage 42 formed in the housing 1 is provided with the atomization block 18 of the electrostatic atomizer 14, and the discharge portion 16 b of the discharge electrode 16 is disposed in the bypass passage 42. The charged fine particle water generated in the discharge part 16b of the discharge electrode 16 is supplied to the bypass path 42 from the hole 17a of the counter electrode 17 under the action of an electric field formed between the discharge electrode 16 and the counter electrode 17 by voltage application. It is like that. That is, in this example, the supply means 15 which supplies the charged fine particle water produced | generated by the electrostatic atomizer 14 by the atomization block 18 to the ventilation path 9 is comprised.

しかして本例のファンヒータにあっては、通気路９をファン１０よりも下流側で主流路４１とバイパス路４２に分岐し、主流路４１に燃料燃焼部１２で発生した燃焼ガスを供給すると共に主流路４１の燃焼ガスが供給される部分よりも下流側にバイパス路４２の下流端を接続したので、ファン１０の運転時には外気吸込口３から通気路９内に流入した空気は主流路４１とバイパス路４２に分かれる。このうち主流路４１に流れた空気には排気口１３から排出された燃焼ガスと混合され、またバイパス路４２に流れた空気は霧化ブロック１８の近傍を通過した後に主流路４１に戻って前記燃焼ガスと混合された空気に合流し、この後、温風吹出口４から吹き出される。   Therefore, in the fan heater of this example, the air passage 9 is branched downstream of the fan 10 into the main passage 41 and the bypass passage 42, and the combustion gas generated in the fuel combustion section 12 is supplied to the main passage 41. At the same time, since the downstream end of the bypass passage 42 is connected to the downstream side of the portion of the main passage 41 to which the combustion gas is supplied, the air that has flowed into the air passage 9 from the outside air inlet 3 when the fan 10 is operated. And the bypass path 42. Of these, the air that has flowed into the main flow path 41 is mixed with the combustion gas discharged from the exhaust port 13, and the air that has flowed into the bypass path 42 returns to the main flow path 41 after passing through the vicinity of the atomization block 18. The air is mixed with the combustion gas and then blown out from the hot air outlet 4.

ここでバイパス路４２には放電電極１６の放電部１６ｂを配設してあるので、暖房運転時においては、放電電極１６の放電部１６ｂの近傍に燃焼ガスによって加熱されていない温度の低い空気を通過させることができ、放電電極１６の放電部１６ｂに保持された水や放電部１６ｂで生じた帯電微粒子水が蒸発し難くなり、静電霧化装置１４により帯電微粒子水を効率良く生成できる。また本例のバイパス路４２にはペルチェユニット２１の放熱部３０を配設しているので、放熱部３０の近傍に燃焼ガスによって加熱されていない温度の低い空気を通過させることができ、ペルチェユニット２１の放熱部３０を効率良く冷却してペルチェユニット２１による結露水の生成量を増加させることができる。   Here, since the discharge portion 16b of the discharge electrode 16 is disposed in the bypass path 42, air having a low temperature that is not heated by the combustion gas is placed near the discharge portion 16b of the discharge electrode 16 during heating operation. Water that is held in the discharge part 16b of the discharge electrode 16 and the charged fine particle water generated in the discharge part 16b are difficult to evaporate, and the charged fine particle water can be efficiently generated by the electrostatic atomizer 14. Further, since the heat radiation part 30 of the Peltier unit 21 is disposed in the bypass path 42 of this example, air having a low temperature that is not heated by the combustion gas can be passed in the vicinity of the heat radiation part 30, and the Peltier unit The heat radiation part 30 of 21 can be cooled efficiently, and the production amount of the dew condensation water by the Peltier unit 21 can be increased.

図８及び図９に本発明のファンヒータの更に他例を示す。なお以下の説明では上記一例と同一の構成については同一の番号を付与し、重複する説明は省略する。   8 and 9 show still another example of the fan heater of the present invention. In the following description, the same components as those in the above example are given the same numbers, and redundant descriptions are omitted.

本例のファンヒータは一例の供給手段１５に替えて静電霧化装置１４で生成した帯電微粒子水を筐体１の外部に供給する供給手段１５を備えている。   The fan heater of this example includes supply means 15 for supplying charged fine particle water generated by the electrostatic atomizer 14 to the outside of the housing 1 in place of the supply means 15 of the example.

ファンヒータの筐体１内には分岐路４３を形成してあり、分岐路４３は筐体１の天面部１ｂ及び前面部１ａと天面部１ｂ及び前面部１ａの夫々に対向する風洞部２の天壁部２ｂ及び前壁部２ａとで構成される。分岐路４３の一端は風洞部２の天壁部２ｂから開口し、通気路９のファン１０よりも下流側で且つ排気口１３よりも上流側の位置に連通している。また分岐路４３の他端は筐体１の前面部１ａから開口して供給口４４を構成し、該供給口４４は筐体１の前面部１ａに設けた温風吹出口４の直上に位置し、温風吹出口４と隣接している。   A branch path 43 is formed in the housing 1 of the fan heater, and the branch path 43 is formed on the top surface portion 1b and the front surface portion 1a of the housing 1 and the wind tunnel portion 2 facing the top surface portion 1b and the front surface portion 1a. It is comprised by the top wall part 2b and the front wall part 2a. One end of the branch passage 43 opens from the top wall 2 b of the wind tunnel portion 2, and communicates with a position downstream of the fan 10 and upstream of the exhaust port 13 of the air passage 9. The other end of the branch path 43 opens from the front surface portion 1a of the housing 1 to form a supply port 44. The supply port 44 is located immediately above the hot air outlet 4 provided in the front surface portion 1a of the housing 1. Adjacent to the hot air outlet 4.

上記通気路９から分岐した分岐路４３の下流側端部には静電霧化装置１４の霧化ブロック１８を設けてあり、該霧化ブロック１８の放電電極１６の先端及び対向電極１７の孔１７ａは供給口４４を介して筐体１の外部前方に臨み、霧化ブロック１８で生成された帯電微粒子水は供給口４４から筐体１の外部に吐出され、通気路９を介して温風吹出口４から吹き出される空気に混合されるようになっている。即ち本例では霧化ブロック１８及び分岐路４３の供給口４４で供給手段１５を構成している。   An atomization block 18 of the electrostatic atomizer 14 is provided at the downstream end of the branch passage 43 branched from the ventilation passage 9. The tip of the discharge electrode 16 and the hole of the counter electrode 17 of the atomization block 18 are provided. 17 a faces the outside of the housing 1 through the supply port 44, and the charged fine particle water generated by the atomization block 18 is discharged from the supply port 44 to the outside of the housing 1 and blows warm air through the air passage 9. It is mixed with the air blown out from the outlet 4. That is, in this example, the atomizing block 18 and the supply port 44 of the branch path 43 constitute the supply means 15.

即ち本例のファンヒータにあっては、通気路９のファン１０よりも下流側で且つ排気口１３よりも上流側の位置から分岐した分岐路４３を設け、分岐路４３の下流端である供給口４４を筐体１の外部に向けて開口してあるので、ファン１０の運転時には、外気吸込口３から通気路９内に流入した空気は通気路９と分岐路４３に分かれ、通気路９に流れた空気には排気口１３から排出された燃焼ガスと混合され、また分岐路４３に流れた空気は霧化ブロック１８の近傍を通過した後に供給口４４から吐出される。   That is, in the fan heater of this example, the branch passage 43 branched from the position on the downstream side of the fan 10 in the ventilation passage 9 and the upstream side of the exhaust port 13 is provided, and the supply that is the downstream end of the branch passage 43 is provided. Since the opening 44 is opened toward the outside of the housing 1, when the fan 10 is operated, the air flowing into the ventilation path 9 from the outside air suction port 3 is divided into the ventilation path 9 and the branch path 43. The air that has flowed into the air is mixed with the combustion gas discharged from the exhaust port 13, and the air that has flowed into the branch passage 43 passes through the vicinity of the atomizing block 18 and is then discharged from the supply port 44.

そして上記暖房運転時や暖房運転の前後の静電霧化装置１４の動作時には、供給手段１５により静電霧化装置１４で生成した帯電微粒子水を筐体１の外部に供給して室内に広く行き渡らせることができ、この帯電微粒子水により室内の生活臭の脱臭を行い、ウイルス、アレルゲン、カビや一般生菌等を不活化できる。またこの場合、温風吹出口４から室内に吹き出される空気に含まれた燃料の臭いや燃料を不完全燃焼することによって生じる臭いを除去できる。また暖房運転時及び暖房運転の前後においては供給口４４から吐出した帯電微粒子水を温風吹出口４から吹き出される空気に供給し、この空気に含まれる燃料の臭い等を効果的に除去できる。   During the heating operation or during the operation of the electrostatic atomizer 14 before and after the heating operation, the charged fine particle water generated by the electrostatic atomizer 14 is supplied to the outside of the housing 1 by the supply means 15 and widely used indoors. This charged fine particle water can deodorize indoor living odors and inactivate viruses, allergens, molds, live bacteria and the like. In this case, the odor of fuel contained in the air blown into the room from the warm air outlet 4 and the odor generated by incomplete combustion of the fuel can be removed. In addition, during the heating operation and before and after the heating operation, the charged fine particle water discharged from the supply port 44 can be supplied to the air blown from the hot air outlet 4 to effectively remove the odor of the fuel contained in the air.

また本例では霧化ブロック１８を分岐路４３に設けて放電電極１６の放電部１６ｂを分岐路４３に配設しているので、暖房運転時の静電霧化装置１４の動作時においては、放電電極１６の放電部１６ｂの近傍に燃焼ガスによって加熱されていない温度の低い空気を通過させることができ、放電電極１６の放電部１６ｂに保持された水や放電部１６ｂで生じた帯電微粒子水が蒸発し難くなり、帯電微粒子水を効率良く生成できる。また本例の分岐路４３にはペルチェユニット２１の放熱部３０を配設しているので、放熱部３０の近傍に燃焼ガスによって加熱されていない温度の低い空気を通過させることができ、ペルチェユニット２１の放熱部３０を効率良く冷却してペルチェユニット２１による結露水の生成量を増加させ、霧化量を増加することができる。   Moreover, since the atomization block 18 is provided in the branch path 43 and the discharge part 16b of the discharge electrode 16 is disposed in the branch path 43 in this example, during operation of the electrostatic atomizer 14 during heating operation, Low-temperature air that is not heated by combustion gas can be passed in the vicinity of the discharge part 16b of the discharge electrode 16, and water held in the discharge part 16b of the discharge electrode 16 or charged particulate water generated in the discharge part 16b Can hardly be evaporated and charged fine particle water can be efficiently generated. In addition, since the heat radiating portion 30 of the Peltier unit 21 is disposed in the branch path 43 of this example, air having a low temperature that is not heated by the combustion gas can be passed in the vicinity of the heat radiating portion 30. The heat radiation part 30 of 21 can be cooled efficiently, the production amount of the dew condensation water by the Peltier unit 21 can be increased, and the atomization amount can be increased.

なお図８及び図９の例では帯電微粒子水を吐出する供給口４４を温風吹出口４の開口方向と同じ前方に開口したが、図１０に示すように温風吹出口４の前方部に向けて下方に開口させ、供給口４４から吐出した帯電微粒子水を温風吹出口４から吹き出される空気に供給させるようにしても良い。   8 and 9, the supply port 44 for discharging the charged fine particle water is opened in the same front as the opening direction of the hot air outlet 4, but as shown in FIG. You may make it open below and supply the charged fine particle water discharged from the supply port 44 to the air which blows off from the warm air blower outlet 4. FIG.

図１１及び図１２に本発明のファンヒータの更に他例を示す。なお以下の説明では上記一例と同一の構成については同一の番号を付与し、重複する説明は省略する。   11 and 12 show still another example of the fan heater of the present invention. In the following description, the same components as those in the above example are given the same numbers, and redundant descriptions are omitted.

本例のファンヒータには静電霧化装置１４で生成した帯電微粒子水を通気路９に吐出するための通気路側供給口４５と筐体１の外部に吐出するための外部側供給口４６を備え、また暖房運転時（即ち燃料燃焼部１２による燃料燃焼時）には静電霧化装置１４で発生させた帯電微粒子水を外部側供給口４６を介して筐体１の外部に吐出すると共に、暖房運転の前後における静電霧化装置１４の動作時（即ち燃料燃焼部１２の非燃焼時）には静電霧化装置１４で発生させた帯電微粒子水を通気路側供給口４５を介して通気路９に吐出する供給手段１５を設けている。   The fan heater of this example has an air passage side supply port 45 for discharging charged fine particle water generated by the electrostatic atomizer 14 to the air passage 9 and an external side supply port 46 for discharging it to the outside of the housing 1. In addition, during heating operation (that is, during fuel combustion by the fuel combustion unit 12), the charged fine particle water generated by the electrostatic atomizer 14 is discharged to the outside of the housing 1 through the external supply port 46. During the operation of the electrostatic atomizer 14 before and after the heating operation (that is, when the fuel combustion unit 12 is not combusted), the charged fine particle water generated by the electrostatic atomizer 14 is passed through the air passage side supply port 45. Supply means 15 for discharging to the air passage 9 is provided.

詳述すると、本例の筐体１内には上記図８に示す例と同様に分岐路４３を形成してあり、分岐路４３は筐体１の天面部１ｂ及び前面部１ａと天面部１ｂ及び前面部１ａの夫々に対向する風洞部２の天壁部２ｂ及び前壁部２ａとで構成される。分岐路４３の一端は風洞部２の天壁部２ｂから開口し、通気路９のファン１０よりも下流側で且つ排気口１３よりも上流側の位置に連通している。また分岐路４３の他端は筐体１の前面部１ａから開口して外部側供給口４６を構成している。外部側供給口４６は筐体１の前面部１ａに設けた温風吹出口４の直上に位置し、温風吹出口４と隣接している。   More specifically, a branch path 43 is formed in the casing 1 of the present example similarly to the example shown in FIG. 8, and the branch path 43 includes the top surface portion 1b, the front surface portion 1a, and the top surface portion 1b of the housing 1. And the top wall part 2b and the front wall part 2a of the wind tunnel part 2 which oppose each of the front part 1a are comprised. One end of the branch passage 43 opens from the top wall 2 b of the wind tunnel portion 2, and communicates with a position downstream of the fan 10 and upstream of the exhaust port 13 of the air passage 9. The other end of the branch path 43 is opened from the front surface portion 1 a of the housing 1 to constitute an external supply port 46. The external supply port 46 is located immediately above the hot air outlet 4 provided in the front surface 1 a of the housing 1 and is adjacent to the hot air outlet 4.

分岐路４３の外部側供給口４６よりもやや上流側の位置（風洞部２の前壁部２ａ）には通気路９の排気口１３よりも下流側で且つ温風吹出口４よりも上流側に位置に連通する通気路側供給口４５を形成してあり、分岐路４３は通気路側供給口４５を介して通気路９に通じる経路と、外部側供給口４６を介して筐体１の外部へ流れる経路とに分岐している。   A position slightly upstream of the external supply port 46 of the branch passage 43 (the front wall 2a of the wind tunnel portion 2) is located downstream of the exhaust port 13 and upstream of the hot air outlet 4 of the air passage 9. An air passage side supply port 45 communicating with the position is formed, and the branch passage 43 flows to the outside of the housing 1 through the air passage 9 via the air passage side supply port 45 and the external side supply port 46. Branch to the route.

分岐路４３の通気路側供給口４５よりも上流側には静電霧化装置１４の霧化ブロック１８を設けている。霧化ブロック１８の放電電極１６の先端及び対向電極１７の孔１７ａは下方を向き、この方向はファン１０によって分岐路４３を流れる空気の流れ方向と同一の方向である。   An atomizing block 18 of the electrostatic atomizer 14 is provided on the upstream side of the air passage side supply port 45 of the branch path 43. The tip of the discharge electrode 16 of the atomizing block 18 and the hole 17a of the counter electrode 17 face downward, and this direction is the same as the direction of the air flowing through the branch path 43 by the fan 10.

分岐路４３において霧化ブロック１８の下流側で且つ霧化ブロック１８からの帯電微粒子水の放出方向となる下方には流路を切替える手段として回動自在の羽根４７を設けてあり、制御部３９は羽根４７の回動角度を変更することで分岐路４３内を流れてきた空気及び霧化ブロック１８から放出された帯電微粒子水を通気路側供給口４５側又は外部側供給口４６側のいずれか一方に切替えて供給できるようになっている。   A rotatable blade 47 is provided as means for switching the flow path downstream of the atomizing block 18 in the branch path 43 and below the atomized block 18 in the discharge direction of the charged particulate water. Change the rotation angle of the blades 47 to change the air flowing in the branch passage 43 and the charged fine particle water released from the atomization block 18 to either the air passage side supply port 45 side or the external side supply port 46 side. It can be switched to one side and supplied.

上記霧化ブロック１８で生成された帯電微粒子水は放電電極１６の放電部１６ｂから下方に放出され、この帯電微粒子水は羽根４７により分岐路４３の経路を通気路側供給口４５側に切替えた状態では通気路側供給口４５を介して通気路９に供給され、また羽根４７により分岐路４３の経路を外部側供給口４６側に切替えた状態では外部側供給口４６を介して筐体１の外部に吐出され、温風吹出口４から吹き出される空気と混合される。   The charged fine particle water generated in the atomization block 18 is discharged downward from the discharge part 16b of the discharge electrode 16, and the charged fine particle water is switched by the blades 47 from the branch path 43 to the ventilation path side supply port 45 side. Then, the air is supplied to the air passage 9 through the air passage side supply port 45, and when the path of the branch passage 43 is switched to the external side supply port 46 side by the blades 47, the outside of the housing 1 is connected through the external side supply port 46. And mixed with the air blown out from the hot air outlet 4.

そして制御部３９は羽根４７の回動を制御することで、燃料燃焼部１２による燃料燃焼時（即ち上記暖房運転時）には静電霧化装置１４で生じた帯電微粒子水を外部側供給口４６を介して筐体１の外部に供給し、また燃料燃焼部１２の非燃焼時（上記暖房運転の前後）には静電霧化装置１４で生じた帯電微粒子水を通気路側供給口４５を介して通気路９に供給するように設定してある。即ち本例では霧化ブロック１８、羽根４７、制御部３９により供給手段１５を構成している。   And the control part 39 controls rotation of the blade | wing 47, The charged fine particle water produced | generated by the electrostatic atomizer 14 at the time of the fuel combustion by the fuel combustion part 12 (namely, the said heating operation) is supplied to the external supply port The charged particulate water generated by the electrostatic atomizer 14 is supplied to the air passage side supply port 45 when the fuel combustion unit 12 is not combusted (before and after the heating operation). It is set to supply to the air passage 9 via That is, in this example, the supply means 15 is constituted by the atomization block 18, the blades 47, and the control unit 39.

しかして本例のファンヒータでは上記暖房運転時における静電霧化装置１４の動作時には、供給手段１５により静電霧化装置１４で生成した帯電微粒子水を外部側供給口４６を介して筐体１の外部に吐出して室内に広く行き渡らせることができ、この帯電微粒子水により室内の生活臭の脱臭を行い、ウイルス、アレルゲン、カビや一般生菌等を不活化できる。またこの場合、温風吹出口４から室内に吹き出される空気に含まれた燃料の臭いや燃料を不完全燃焼することによって生じる臭いを除去できる。また外部側供給口４６から吐出した帯電微粒子水を温風吹出口４から吹き出される空気に供給し、この空気に含まれる燃料の臭い等を効果的に除去できる。   Therefore, in the fan heater of this example, during operation of the electrostatic atomizer 14 during the heating operation, the charged fine particle water generated by the electrostatic atomizer 14 by the supply means 15 is provided via the external supply port 46. It can be discharged outside the room 1 and spread widely in the room, and this charged fine particle water can deodorize the living odor in the room and inactivate viruses, allergens, molds, live bacteria and the like. In this case, the odor of fuel contained in the air blown into the room from the warm air outlet 4 and the odor generated by incomplete combustion of the fuel can be removed. Further, the charged fine particle water discharged from the external supply port 46 can be supplied to the air blown out from the hot air outlet 4, and the odor of the fuel contained in the air can be effectively removed.

また暖房運転の前後における静電霧化装置１４の動作時には供給手段１５により静電霧化装置１４で生成した帯電微粒子水を通気路側供給口４５を介して通気路９に吐出できる。従ってこの暖房運転の前後においては、ファン１０により通気路９内を流れる空気に乗せて温風吹出口４から帯電微粒子水を室内に吹き出し、該帯電微粒子水を室内に広く行き渡らせることができ、この帯電微粒子水により室内の生活臭の脱臭を行い、ウイルス、アレルゲン、カビや一般生菌等を不活化できる。また温風吹出口４から室内に吹き出される空気に含まれた燃料や燃料を不完全燃焼することによって生じる臭いも除去できる。さらには通気路９内に帯電微粒子水を供給できるので、燃料燃焼部１２で燃料を不完全燃焼することによって生じる臭いや、燃料自体から発する臭いを発生元となる燃料燃焼部１２（燃焼塔８）に近い位置で効果的に除去できる。   Further, during operation of the electrostatic atomizer 14 before and after the heating operation, the charged fine particle water generated by the electrostatic atomizer 14 by the supply means 15 can be discharged to the air passage 9 through the air passage side supply port 45. Therefore, before and after this heating operation, the charged particulate water can be blown into the room from the warm air outlet 4 by being placed on the air flowing through the air passage 9 by the fan 10, and the charged particulate water can be spread widely in the room. It is possible to deodorize indoor living odors with charged fine particle water and inactivate viruses, allergens, molds and general live bacteria. Further, the fuel contained in the air blown into the room from the hot air outlet 4 and the odor produced by incomplete combustion of the fuel can be removed. Further, since the charged fine particle water can be supplied into the air passage 9, the fuel combustion section 12 (combustion tower 8) that generates odor generated by incomplete combustion of the fuel in the fuel combustion section 12 or odor generated from the fuel itself. ) Can be effectively removed at a position close to.

また本例では放電電極１６の放電部１６ｂを分岐路４３に配設したので、静電霧化装置１４で静電霧化を生じさせる場合、放電電極１６の放電部１６ｂの近傍に燃焼ガスによって加熱されていない温度の低い空気を通過させることができ、放電電極１６の放電部１６ｂに保持された水や放電部１６ｂで生じた帯電微粒子水が蒸発し難くなり、静電霧化装置１４により帯電微粒子水を効率良く生成できる。   Moreover, in this example, since the discharge part 16b of the discharge electrode 16 was arrange | positioned in the branch path 43, when producing an electrostatic atomization with the electrostatic atomizer 14, it is by combustion gas in the vicinity of the discharge part 16b of the discharge electrode 16 Unheated low-temperature air can be passed, and water held in the discharge part 16b of the discharge electrode 16 and charged fine particle water generated in the discharge part 16b are difficult to evaporate. Charged particulate water can be generated efficiently.

なお上記各例では制御部３９により図５に示すように制御したが、制御部３９により図１３や、図１４、図１６に示すように制御しても良い。   In each of the above examples, the control unit 39 performs control as shown in FIG. 5, but the control unit 39 may perform control as shown in FIG. 13, FIG. 14, and FIG.

図１３の例では、暖房運転後（即ち燃料燃焼部１２の燃料燃焼の終了から所定時間が経過するまでの間）における静電霧化装置１４の動作時の単位時間当たりの霧化量を暖房運転時（即ち燃料燃焼部１２による燃料燃焼時）よりも増加させるようにしてある。このように制御することで、静電霧化装置１４で生じた帯電微粒子水により燃料燃焼部１２の燃料燃焼の終了から所定時間が経過するまでの間に不完全燃焼によって生じる臭いをより効率良く除去できる。なお上記図１３や、以下の図１４、図１６の各例における静電霧化装置１４で発生させる単位時間当たりの霧化量の調節は、高電圧印加部１９によって放電電極１６及び対向電極１７間への印加電圧値を調節することや、放電電極１６からの放電電流が増加するようにペルチェ冷却制御回路２７による熱電素子２５への通電量を変更して冷却割合を変更することで行われる。   In the example of FIG. 13, the atomization amount per unit time during the operation of the electrostatic atomizer 14 after the heating operation (that is, until a predetermined time elapses after completion of fuel combustion in the fuel combustion unit 12) is heated. It is made to increase compared with the time of driving | operation (namely, the time of fuel combustion by the fuel combustion part 12). By controlling in this way, the odor caused by incomplete combustion is more efficiently performed until a predetermined time elapses after the end of fuel combustion in the fuel combustion unit 12 due to the charged fine particle water generated in the electrostatic atomizer 14. Can be removed. Note that the adjustment of the atomization amount per unit time generated by the electrostatic atomizer 14 in each of the above examples of FIG. 13 and FIGS. 14 and 16 is performed by the high voltage application unit 19 by the discharge electrode 16 and the counter electrode 17. This is performed by adjusting the applied voltage value between them and changing the cooling rate by changing the energization amount to the thermoelectric element 25 by the Peltier cooling control circuit 27 so that the discharge current from the discharge electrode 16 increases. .

また図１４に示す例のファンヒータは図１５に示すようにファンヒータの外部（室内）の湿度を検知するための湿度検知手段として湿度センサ４８を設けてあり、制御部３９は暖房運転時において湿度センサ４８によりファンヒータの外部の湿度を定期的に検知する。そしてここで検知した湿度が所定値（図示例では湿度４０％）以上である場合には静電霧化装置１４の動作時の単位時間当たりの霧化量を所定の値とし、また前記湿度センサ４８で検知した湿度が前記所定値未満でない場合には静電霧化装置１４の動作時の単位時間当たりの霧化量を前記湿度が所定値以上である場合よりも増加させ２倍程度とする。   Further, as shown in FIG. 15, the fan heater of the example shown in FIG. 14 is provided with a humidity sensor 48 as humidity detecting means for detecting the humidity outside the fan heater (indoor), and the control unit 39 is in the heating operation. The humidity sensor 48 periodically detects the humidity outside the fan heater. When the detected humidity is equal to or higher than a predetermined value (humidity 40% in the illustrated example), the amount of atomization per unit time during operation of the electrostatic atomizer 14 is set to a predetermined value, and the humidity sensor When the humidity detected at 48 is not less than the predetermined value, the amount of atomization per unit time during operation of the electrostatic atomizer 14 is increased to about twice that when the humidity is equal to or higher than the predetermined value. .

このように湿度検知手段で検知した湿度に基づいて静電霧化装置１４の動作時における単位時間当たりの霧化量を調節することで、検知した室内の湿度が低くウイルスが活動しやすい場合には静電霧化装置１４の単位時間当たりの霧化量を増加させてインフルエンザや風邪などの感染を効率良く防ぐことができ、本発明のように冬場で利用されるファンヒータにとっては特に有効である。   In this way, by adjusting the amount of atomization per unit time during operation of the electrostatic atomizer 14 based on the humidity detected by the humidity detecting means, the detected indoor humidity is low and the virus is likely to act. Can increase the amount of atomization per unit time of the electrostatic atomizer 14 to efficiently prevent infections such as influenza and cold, and is particularly effective for a fan heater used in winter as in the present invention. is there.

また図１６に示すファンヒータは図１７に示すようにファンヒータの外部（室内）の温度を検知するための温度検知手段として温度センサ４９を設けてあり、また筐体１の外面等に設けたスイッチからなる目標温度設定部５０を備えている。制御部３９は暖房運転時において温度センサ４９で定期的に室内の温度を検知し、この検知した温度と目標温度設定部５０により設定した温度を比較し、温度センサ４９で検知した温度が目標温度設定部５０により設定した温度よりも低い場合には、燃料燃焼部１２による燃焼割合（燃料の単位時間当たりの燃焼量）及びファン１０により発生させる単位時間当たりの送風量を増加し、また温度センサ４９で検知した温度が目標温度設定部５０により設定した温度よりも高い場合には燃料燃焼部１２による燃焼割合及びファン１０により発生させる単位時間当たりの送風量を減少するように設定してある。   Further, as shown in FIG. 17, the fan heater shown in FIG. 16 is provided with a temperature sensor 49 as temperature detecting means for detecting the temperature outside the room (indoor), and provided on the outer surface of the housing 1 or the like. A target temperature setting unit 50 including a switch is provided. During the heating operation, the control unit 39 periodically detects the indoor temperature by the temperature sensor 49, compares the detected temperature with the temperature set by the target temperature setting unit 50, and the temperature detected by the temperature sensor 49 is the target temperature. When the temperature is lower than the temperature set by the setting unit 50, the combustion ratio (combustion amount per unit time of the fuel) by the fuel combustion unit 12 and the blast amount per unit time generated by the fan 10 are increased, and the temperature sensor When the temperature detected at 49 is higher than the temperature set by the target temperature setting unit 50, the combustion ratio by the fuel combustion unit 12 and the blown air amount per unit time generated by the fan 10 are set to decrease.

そしてこの暖房運転時における静電霧化装置１４の動作時には図１６のようにファン１０により発生させる単位時間当たりの風量が所定値以下であるか否かを定期的に判定し、所定値以下である場合は静電霧化装置１４の動作時の単位時間当たりの霧化量を所定の値とし、また所定値を超える場合は静電霧化装置１４の動作時の単位時間当たりの霧化量を前記風量が所定値以上である場合よりも増加させる。   Then, during the operation of the electrostatic atomizer 14 during the heating operation, it is periodically determined whether or not the air volume per unit time generated by the fan 10 is not more than a predetermined value as shown in FIG. In some cases, the amount of atomization per unit time during operation of the electrostatic atomizer 14 is set to a predetermined value. When the amount exceeds the predetermined value, the amount of atomization per unit time during operation of the electrostatic atomizer 14 Is increased as compared with the case where the air volume is equal to or greater than a predetermined value.

このようにファン１０による単位時間当たりの送風量を可変とし、静電霧化装置１４の動作時における単位時間当たりの霧化量をファン１０の単位時間当たりの送風量に基づいて調節することで、ファン１０の単位時間当たりの送風量が大きく室内の隅々にまで帯電微粒子水を拡散させることが可能な時に静電霧化装置１４の単位時間当たりの霧化量を増加させることができ、静電霧化装置１４で生じた帯電微粒子水を効率良く利用できる。   In this way, the amount of air blown per unit time by the fan 10 is made variable, and the amount of atomization per unit time during operation of the electrostatic atomizer 14 is adjusted based on the amount of air blown per unit time of the fan 10. The amount of atomization per unit time of the electrostatic atomizer 14 can be increased when the amount of blown air per unit time of the fan 10 is large and the charged fine particle water can be diffused to every corner of the room. The charged fine particle water generated in the electrostatic atomizer 14 can be used efficiently.

なお上記実施形態の各例ではファンヒータを石油ファンヒータとしたが、燃焼燃料として燃料ガスを用いるガスファンヒータであっても良い。また静電霧化装置１４の水供給手段はペルチェユニット２１で構成したが、例えば水供給手段をタンク等の水貯留部から搬送経路を介して放電電極１６に水を搬送するものとしても良い。   In each example of the above embodiment, the fan heater is an oil fan heater, but may be a gas fan heater that uses fuel gas as combustion fuel. Moreover, although the water supply means of the electrostatic atomizer 14 is comprised by the Peltier unit 21, it is good also as what supplies a water supply means to the discharge electrode 16 via a conveyance path from a water storage part, such as a tank, for example.

本発明の実施の形態の一例のファンヒータを示す側断面図である。It is a sectional side view which shows the fan heater of an example of embodiment of this invention. 同上の要部拡大図である。It is a principal part enlarged view same as the above. 同上の静電霧化装置を概念的に示した断面図である。It is sectional drawing which showed notionally the electrostatic atomizer same as the above. 同上のブロック図である。It is a block diagram same as the above. 同上のフローチャートである。It is a flowchart same as the above. 他例のファンヒータを示す側断面図である。It is side sectional drawing which shows the fan heater of another example. 同上の要部拡大図である。It is a principal part enlarged view same as the above. 更に他例のファンヒータを示す側断面図である。It is side sectional drawing which shows the fan heater of another example. 同上の要部拡大図である。It is a principal part enlarged view same as the above. 更に他例のファンヒータを示す要部拡大断面図である。Furthermore, it is a principal part expanded sectional view which shows the fan heater of another example. 更に他例のファンヒータを示す側断面図である。It is side sectional drawing which shows the fan heater of another example. 同上の要部拡大図である。It is a principal part enlarged view same as the above. 更に他例のファンヒータのフローチャートである。It is a flowchart of the fan heater of other examples. 更に他例のファンヒータのフローチャートである。It is a flowchart of the fan heater of other examples. 同上のファンヒータのブロック図である。It is a block diagram of a fan heater same as the above. 更に他例のファンヒータのフローチャートである。It is a flowchart of the fan heater of other examples. 同上のファンヒータのブロック図である。It is a block diagram of a fan heater same as the above.

符号の説明Explanation of symbols

３ 外気吸込口
４ 温風吹出口
９ 通気路
１０ ファン
１２ 燃料燃焼部
１４ 静電霧化装置
１５ 供給手段
１６ 放電電極 DESCRIPTION OF SYMBOLS 3 Outside air inlet 4 Hot air outlet 9 Air passage 10 Fan 12 Fuel combustion part 14 Electrostatic atomizer 15 Supply means 16 Discharge electrode

Claims (6)

一端に温風吹出口を有すると共に他端に外気吸込口を有する通気路を備え、通気路に燃料燃焼部で発生した燃焼ガスを温風吹出口から吹き出すファンを設けたファンヒータにおいて、放電電極に高電圧を印加することで放電電極の放電部に保持される水を静電霧化して帯電微粒子水を生成する静電霧化装置と、該静電霧化装置で生成した帯電微粒子水を通気路に供給する供給手段を備え、通気路はファンよりも下流側で主流路とバイパス路に分岐し、主流路に前記燃料燃焼部で発生した燃焼ガスを供給すると共に該主流路の燃焼ガスが供給される部分よりも下流側にバイパス路の下流端を接続し、前記供給手段として、前記バイパス路に静電霧化装置の放電電極の放電部を配設して成ることを特徴とするファンヒータ。 In a fan heater having a vent passage having a hot air outlet at one end and an outside air inlet at the other end, and a fan for blowing out combustion gas generated in the fuel combustion section from the hot air outlet in the vent passage, An electrostatic atomizer that electrostatically atomizes water held in the discharge part of the discharge electrode by applying voltage to generate charged fine particle water, and an air passage for charged fine particle water generated by the electrostatic atomizer Bei give a supply means for supplying, Tsukiro branches to the main channel and the bypass passage downstream from the fan, the combustion gases of the main flow path supplies the combustion gas generated in the fuel combustion section into the main channel A fan comprising: a downstream end of a bypass passage connected to a downstream side of a portion to be supplied; and a discharge portion of a discharge electrode of an electrostatic atomizer provided in the bypass passage as the supply means. heater. 少なくとも前記燃料燃焼部による燃料燃焼の終了から所定時間が経過するまでの間、静電霧化装置による帯電微粒子水の生成及び該生成した帯電微粒子水の前記供給手段による供給を行う制御部を設けて成ることを特徴とする請求項１に記載のファンヒータ。Provided is a control unit for generating charged particulate water by an electrostatic atomizer and supplying the generated charged particulate water by the supply means at least until a predetermined time has elapsed since the end of fuel combustion by the fuel combustion unit. The fan heater according to claim 1, wherein 少なくとも前記燃料燃焼部による燃料燃焼時及び燃料燃焼の終了から所定時間が経過するまでの間、静電霧化装置による帯電微粒子水の生成及び該生成した帯電微粒子水の前記供給手段による供給を行い、前記燃料燃焼部の燃料燃焼の終了から所定時間が経過するまでの間における静電霧化装置の単位時間当たりの霧化量を燃料燃焼部による燃料燃焼時よりも増加させる制御部を設けて成ることを特徴とする請求項２に記載のファンヒータ。At least during fuel combustion by the fuel combustion section and until a predetermined time has elapsed since the end of fuel combustion, generation of charged fine particle water by the electrostatic atomizer and supply by the supply means of the generated charged fine particle water are performed. A control unit is provided for increasing the amount of atomization per unit time of the electrostatic atomizer between the end of fuel combustion of the fuel combustion unit and the passage of a predetermined time compared to the time of fuel combustion by the fuel combustion unit. The fan heater according to claim 2, wherein the fan heater is formed. 燃料燃焼部による燃料燃焼の開始よりも所定時間前に静電霧化装置による帯電微粒子水の生成及び該生成した帯電微粒子水の前記供給手段による供給を開始する制御部を設けて成ることを特徴とする請求項１乃至請求項３のいずれか１項に記載のファンヒータ。A control unit is provided that starts generation of charged fine particle water by the electrostatic atomizer and supply of the generated charged fine particle water by the supply means a predetermined time before the start of fuel combustion by the fuel combustion unit. The fan heater according to any one of claims 1 to 3. ファンヒータの外部の湿度を検知するための湿度検知手段を備え、該湿度検知手段で検知した湿度に基づいて静電霧化装置の動作時における単位時間当たりの霧化量を調節する制御部を設けて成ることを特徴とする請求項１乃至４のいずれか１項に記載のファンヒータ。A controller that includes humidity detection means for detecting humidity outside the fan heater, and that adjusts the atomization amount per unit time during operation of the electrostatic atomizer based on the humidity detected by the humidity detection means; The fan heater according to claim 1, wherein the fan heater is provided. 前記ファンによる単位時間当たりの送風量を可変とし、静電霧化装置の動作時における単位時間当たりの霧化量をファンの単位時間当たりの送風量に基づいて調節する制御部を設けて成ることを特徴とする請求項１乃至４のいずれか１項に記載のファンヒータ。  A control unit is provided that varies the amount of air blown per unit time by the fan and adjusts the amount of atomization per unit time during operation of the electrostatic atomizer based on the amount of air blown per unit time of the fan. The fan heater according to claim 1, wherein:
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