JP5540429B2 - Propeller fan for facility horticulture air conditioner - Google Patents
Propeller fan for facility horticulture air conditioner Download PDFInfo
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- JP5540429B2 JP5540429B2 JP2009230974A JP2009230974A JP5540429B2 JP 5540429 B2 JP5540429 B2 JP 5540429B2 JP 2009230974 A JP2009230974 A JP 2009230974A JP 2009230974 A JP2009230974 A JP 2009230974A JP 5540429 B2 JP5540429 B2 JP 5540429B2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Description
本発明は、果実、庭樹、花卉などの園芸作物の栽培ハウス内の空調機等に好適に用いられるプロペラファンに関するもので、特に植物育成に効果的な送風を行うことができる施設園芸空調機用プロペラファンに関するものである。 The present invention relates to a propeller fan that is suitably used for an air conditioner in a cultivation house for horticultural crops such as fruits, garden trees, and florets, and more particularly for a facility horticulture air conditioner that can effectively blow air for plant growth. It relates to propeller fans.
従来、果実、庭樹、花卉などの園芸作物の栽培ハウスにおいて、例えば、空気吸込口から吸い込まれた空気を、火炉で発生させた燃焼ガスと熱交換し、生成した温風をケーシング上部の温風吐出口からハウス内に吐出する温風暖房機等の空調機が使用される。 Conventionally, in greenhouses for cultivation of horticultural crops such as fruits, garden trees, and flower buds, for example, the air sucked from the air suction port is heat-exchanged with the combustion gas generated in the furnace, and the generated hot air is heated at the upper part of the casing. An air conditioner such as a hot air heater discharged from the discharge port into the house is used.
空調機は、モータ等の回転駆動軸に取り付けられたプロペラファンを使用して送風するのが一般的である。送風形式としてはダウンフロー型（特許文献１参照。）やアップフロー型、暖房機の下部吐出口から延びる送風ダクトを地上部に配置し、送風ダクトの送風口から温風を吹き上げ、主に果樹類などの立木で比較的背の高いものの加温に用いるものなどがある。 In general, an air conditioner blows air using a propeller fan attached to a rotary drive shaft such as a motor. As a blower type, a downflow type (refer to Patent Document 1), an upflow type, a blower duct extending from a lower discharge port of a heater is arranged on the ground, and hot air is blown from the blower duct, mainly fruit trees. There are some trees that are used to heat relatively tall trees.
このような空調機で使用するプロペラファンとして、例えば特許文献２に記載のものを挙げることができる。これはモータの回転軸に円筒状のボス部を取付けると共に、このボス部の外周部に所定の間隔を置いて円筒状のハブ部を配置し、ボス部とハブ部とを複数のブリッジリブにて連結し、さらにハブ部の外周部に羽根を装着した構造のものである。
ところで、施設園芸においては、常に一定の風圧よりも風圧や振幅が強弱変化するパルス状あるいは波状の送風を行うことがハウス内の植物育成に効果的であることを本発明者は知得し、本発明をするに至った。加えて、ファンの回転のみで送風を拡散あるいは収束させる構造についても同時に開発した。本発明は、果実、庭樹、花卉などの園芸作物の栽培ハウス内の植物育成に効果的な施設園芸空調機用プロペラファンを提供するものである。 By the way, in institutional horticulture, the present inventor has learned that it is effective for growing plants in a house to perform pulsed or waved blowing in which the wind pressure and amplitude change more or less than a constant wind pressure, It came to make this invention. In addition, a structure that diffuses or converges the air flow only by rotating the fan was developed at the same time. The present invention provides a propeller fan for a facility horticulture air conditioner that is effective for growing plants in a cultivation house for horticultural crops such as fruits, garden trees, and flowers.
この目的を達成するため、本発明の施設園芸空調機用プロペラファンは回転駆動軸に取付けられるハブの周囲に複数の羽根板を固着してなるプロペラファンにおいて、ハブと連結されるモータの回転軸方向における一対の羽根板の取付角αと同じ角度で逆向き、すなわち、角度（−α）で、他方の羽根板が、ハブ１を起点に、その傾斜方向が前後に相対向するように取付けたことを特徴とする。In order to achieve this object, a propeller fan for a facility horticulture air conditioner according to the present invention is a propeller fan in which a plurality of blades are fixed around a hub attached to a rotary drive shaft. At the same angle as the mounting angle α of the pair of blades in the direction, ie, at the angle (−α), the other blade is mounted so that the inclination direction thereof is opposed to the front and rear with the
本発明に係る施設園芸空調機用プロペラファンは、ハウス内に温風を供給してハウス内を暖房する温風暖房機能の他、ハウス内空気の攪拌用、通風用としても幅広く用いることができ、果実、庭樹、花卉などの園芸作物の栽培ハウス内の植物育成に効果的なパルス状あるいは波状の送風を行うことができる。また、特段の手段を付加することなく、ファンの回転のみで送風の拡散又は収束を行うことができる。 The propeller fan for a facility horticulture air conditioner according to the present invention can be widely used not only for a hot air heating function for supplying warm air into a house to heat the house, but also for agitating and ventilating the air in the house. In addition, it is possible to perform pulsed or wavy air blow effective for growing plants in a cultivation house for horticultural crops such as fruits, garden trees, and flower buds. Further, it is possible to diffuse or converge the air blow only by rotating the fan without adding any special means.
次に本発明のプロペラファンの実施の形態について、図面に示す実施例に基づいて詳細に説明する。 Next, embodiments of the propeller fan of the present invention will be described in detail based on the examples shown in the drawings.
図１及び図２に本発明の第１の実施形態を示す。同図において、１はハブであり、その外周部には径方向に延びる４枚の羽根２、２及び３、３が各々対向して周方向等間隔に装着されている。本実施例では、ハブ１と連結されるモータ４の回転軸４ａ方向における任意の羽根板（２、２）の取付角度を、他の羽根（３、３）の取付角度と相違させたものである。つまり一対の羽根２、２を、周方向に背中合わせになるように配置し、一方の羽根板（２、２）の取付角α、と同じ角度逆向き、すなわち角度β（−α）で他方の羽根板（３，３）をハブ１に取付け、プロペラファンが回転すると、拡散方向と収束方向との送風方向の異なる送風を行うことができる。尚、羽根板２、３の取付角度とは、ハブ１の回転軸芯方向と羽根板２、３との成す角度のことである。 1 and 2 show a first embodiment of the present invention. In the figure,
これにより、果実、庭樹、花卉などの園芸作物の栽培ハウス内の植物育成に効果的なパルス状あるいは波状の送風を行うことができる。また、特段の手段を付加することなく、ファンの回転のみで送風の拡散又は収束を行うことができ、ハウス全体への送風やピンポイントでの送風が可能になる。 Thereby, it is possible to perform pulsed or wavy air blowing that is effective for growing plants in a cultivation house for horticultural crops such as fruits, garden trees, and flower buds. Further, without adding special means, the air can be diffused or converged only by the rotation of the fan, and the air can be sent to the whole house or at a pin point.
尚、上記実施例では、羽根板の取付角度を軸方向の前後対称に設けたが、これに限定されるものではなく、例えば、一方の羽根板（２、２）の取付角度αを他の羽根板（３、３）の取付角度βよりも小さく、その逆としてもよい。 In the above embodiment, the mounting angle of the blades is provided symmetrically in the axial direction. However, the present invention is not limited to this. For example, the mounting angle α of one blade (2, 2) is set to the other angle. It is smaller than the attachment angle β of the blades (3, 3), and vice versa.
図３及び図４には第２の実施形態を示す。この実施形態においては、回転駆動軸４ａに取付けられるハブ１の周囲に複数の羽根板２を固着してなるプロペラファンにおいて、羽根板２の表面に軸芯４ａに対して内向き又は外向きに複数の溝条５を設けている。これにより、特段の手段を付加することなく、ファンの回転のみで送風の拡散又は収束を行うことができる。 3 and 4 show a second embodiment. In this embodiment, in a propeller fan in which a plurality of
上記各実施例のプロペラファンは、波数制御方式、位相制御方式等によって制御される回転数制御が可能なモータに装着して使用するのが好ましいが、特にこれに限られるものではない。 The propeller fan of each of the above embodiments is preferably used by being mounted on a motor capable of rotational speed control controlled by a wave number control system, a phase control system, or the like, but is not particularly limited thereto.
本発明に係る施設園芸用温風暖房機は、施設園芸用ハウス内に温風を供給してハウス内を暖房する温風暖房機の他、ハウス内空気の攪拌用、通風用としても幅広く用いることができる。 The facility horticultural hot air heater according to the present invention is widely used not only for warm air heaters that supply hot air to the facility horticulture house to heat the house, but also for agitation and ventilation of the air in the house. be able to.
１ ハブ
２ 羽根板
３ 羽根板
４ モータ
４ａ 回転軸
５ 溝条DESCRIPTION OF
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009230974A JP5540429B2 (en) | 2009-08-25 | 2009-08-25 | Propeller fan for facility horticulture air conditioner |
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| JP2009230974A JP5540429B2 (en) | 2009-08-25 | 2009-08-25 | Propeller fan for facility horticulture air conditioner |
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| JP2013171733A Division JP5681997B2 (en) | 2013-08-05 | 2013-08-05 | Propeller fan for facility horticulture air conditioner |
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| Publication Number | Publication Date |
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| JP2011045354A JP2011045354A (en) | 2011-03-10 |
| JP5540429B2 true JP5540429B2 (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2009230974A Active JP5540429B2 (en) | 2009-08-25 | 2009-08-25 | Propeller fan for facility horticulture air conditioner |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021191960A1 (en) * | 2020-03-23 | 2021-09-30 | 嗣光 松井 | Functional propeller fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS626318Y2 (en) * | 1981-04-14 | 1987-02-13 | ||
| JPS63150499A (en) * | 1986-12-16 | 1988-06-23 | Matsushita Seiko Co Ltd | Axial flow fan |
| JPH01106998A (en) * | 1987-10-20 | 1989-04-24 | Seiko Electronic Components Ltd | Shape of fan of axial flow blower |
| JPH0727096A (en) * | 1993-07-07 | 1995-01-27 | Nippondenso Co Ltd | Axial fan |
| JPH10131891A (en) * | 1996-10-29 | 1998-05-19 | Daikin Ind Ltd | Propeller fan |
| KR100549801B1 (en) * | 2004-02-03 | 2006-02-08 | 주식회사 신안그린테크 | Air circulation and dehumidifier |
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