JP4899586B2 - Wind speed distribution adjustment device - Google Patents

Wind speed distribution adjustment device Download PDF

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JP4899586B2
JP4899586B2 JP2006092826A JP2006092826A JP4899586B2 JP 4899586 B2 JP4899586 B2 JP 4899586B2 JP 2006092826 A JP2006092826 A JP 2006092826A JP 2006092826 A JP2006092826 A JP 2006092826A JP 4899586 B2 JP4899586 B2 JP 4899586B2
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wind speed
speed distribution
adjusting
air
distribution adjusting
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JP2007263532A (en
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栄次 相澤
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Dai Nippon Printing Co Ltd
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Dai Nippon Printing Co Ltd
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Description

本発明は、乾燥装置、加熱装置、冷却装置、空調装置等の空気流を利用した装置において、空気吹き出し口における風速分布を調整する装置に関する。   The present invention relates to an apparatus for adjusting a wind speed distribution at an air outlet in an apparatus using an air flow, such as a drying apparatus, a heating apparatus, a cooling apparatus, and an air conditioner.

従来より、熱風、冷風、温調空気等の空気を空気吹き出し口から吹き出す構成とした装置が様々な分野が用いられている。これらの装置において、空気吹き出し口における風速分布の不均一は、装置の機能を十分に発揮できないだけでなく、場合によっては不具合の発生原因ともなりうる。そこで、種々な分野で風速分布の均一化を図るための対策が検討され、特許出願されており、例えば、以下のような公開公報に記載されている。
・自動車の室内空調：特開平０５−１２４４３２号公報、特開平０８−７２５３０号公報、特開平０８−１５６５７７号公報、特開平０９−１２３７３６号公報、特開平１０−７１８３５号公報
・室内空調：特開平０７−２０８８８９号公報、特開２００２−１４７７８１号公報
・ヘアドライヤ：特開平０５−１６８５１７号公報
・塗装ブース：特開平０８−２６６９８８号公報
・熱交換器：特開２０００−８８４７６号公報
・集塵機：特開２００１−１２１０３３号公報
・フィルム乾燥：特開平１１−７７７１８号公報 2. Description of the Related Art Conventionally, various fields have been used for apparatuses configured to blow out air such as hot air, cold air, and temperature-controlled air from an air outlet. In these devices, the non-uniformity of the wind speed distribution at the air outlet can not only fully demonstrate the function of the device, but also can cause a failure in some cases. Accordingly, measures for achieving uniform wind speed distribution in various fields have been studied and patent applications have been filed, for example, as described in the following publications.
-Indoor air conditioning of automobiles: JP 05-124432 A, JP 08-72530 A, JP 08-156777 A, JP 09-123736 A, JP 10-71835 A Kaihei 07-208889, JP 2002-147781, Hair dryer: JP 05-168517, Coating booth: JP 08-266988, Heat exchanger: JP 2000-88476, Dust collector: Japanese Patent Laid-Open No. 2001-121033, Film drying: Japanese Patent Laid-Open No. 11-77718

しかしながら、従来提案されている風速分布の調整機構は、多くが固定式、交換式であり、風速分布を所望のように調整しておいても、ブロワの出力変更等により風量を変更した場合、風速分布が変化し、所望の風速分布に再調整することができないという問題があった。   However, most of the conventionally proposed wind speed distribution adjustment mechanisms are fixed and exchangeable, and even if the wind speed distribution is adjusted as desired, if the air volume is changed by changing the output of the blower, etc. There is a problem that the wind speed distribution changes and cannot be readjusted to a desired wind speed distribution.

また、特開平０５−１２４４３２号公報、特開平０８−２６６９８８号公報等には、空気吹き出し口の上流に、所望の通風パターン孔を形成したフィルム状部材を移動可能に設け、そのフィルム状部材を移動させることで、空気吹き出し口に面する領域の通風パターン孔を変えて、風速調整する装置が提案されているが、この装置では、フィルム状部材に形成されたパターンにより風速分布が決定するため、自由な調整ができず、自由度が小さいという問題があった。   Further, in JP-A Nos. 05-124432 and 08-266888, etc., a film-like member having a desired ventilation pattern hole is movably provided upstream of the air outlet, and the film-like member is provided. An apparatus for adjusting the wind speed by changing the ventilation pattern hole in the region facing the air outlet by moving the air has been proposed, but in this apparatus, the wind speed distribution is determined by the pattern formed on the film-like member. There was a problem that free adjustment was not possible and the degree of freedom was small.

更に、空気吹き出し口の風速測定結果をフィードバックする装置も知られているが、従来は、ブロワの出力へのフィードバックのため、風速は調整できるが、風速分布の調整はできない。   Furthermore, an apparatus that feeds back the measurement result of the wind speed at the air outlet is also known, but conventionally, the wind speed can be adjusted for feedback to the blower output, but the wind speed distribution cannot be adjusted.

特開平０５−１２４４３２号公報Japanese Patent Laid-Open No. 05-124432 特開平０８−７２５３０号公報Japanese Patent Laid-Open No. 08-72530 特開平０８−１５６５７７号公報Japanese Patent Laid-Open No. 08-1556577 特開平０９−１２３７３６号公報Japanese Patent Laid-Open No. 09-123736 特開平１０−７１８３５号公報JP-A-10-71835 特開平０７−２０８８８９号公報JP 07-208889 A 特開２００２−１４７７８１号公報JP 2002-147781 A 特開平０５−１６８５１７号公報JP 05-168517 A 特開平０８−２６６９８８号公報Japanese Patent Laid-Open No. 08-266988 特開２０００−８８４７６号公報JP 2000-88476 A 特開２００１−１２１０３３号公報JP 2001-121033 A 特開平１１−７７７１８号公報JP-A-11-77718

本発明はかかる問題点に鑑みてなされたもので、運転条件を変更して風量を変化させた場合にも、空気吹き出し口における風速分布を所望のように調整することの可能な風速分布調整装置を提供することを課題とする。 The present invention has been made in view of such problems, and even when operating conditions are changed and the air volume is changed, a wind speed distribution adjusting device capable of adjusting the wind speed distribution at the air outlet as desired. It is an issue to provide.

本発明の風速分布調整装置は、空気吹き出し口の風速分布を調整可能とするため、空気吹き出し口より上流側の空気通路に、該空気通路内を複数の領域に分割するように配置され、各領域の風速をそれぞれ調整可能な複数の風速調整機構を備えた風速分布調整部材を設け、且つ、前記複数の風速調整機構のそれぞれの下流に複数の風速測定手段を配置するという構成としたものである。   The wind speed distribution adjusting device of the present invention is arranged to divide the air passage into a plurality of regions in the air passage upstream of the air outlet in order to make it possible to adjust the wind speed distribution of the air outlet. A wind speed distribution adjusting member provided with a plurality of wind speed adjusting mechanisms each capable of adjusting the wind speed of each region is provided, and a plurality of wind speed measuring means are arranged downstream of each of the plurality of wind speed adjusting mechanisms. is there.

ここで、前記空気通路の、前記風速分布調整部材を配置した位置から前記空気吹き出し口に至る領域を同一断面とすることが、風速分布調整部材で調整した風速分布がほとんど変化せずに空気吹き出し口に及び、従って空気吹き出し口からは風速分布調整部材で調整した風速分布で空気吹き出しを行うことができ、好ましい。   Here, the region from the position at which the wind speed distribution adjusting member is disposed to the air outlet in the air passage has the same cross section, so that the air speed distribution adjusted by the wind speed adjusting member hardly changes and the air outlet From the air outlet, and therefore from the air outlet, air can be blown out with the wind speed distribution adjusted by the wind speed distribution adjusting member, which is preferable.

前記した風速調整機構は、通過する風速を調整可能なものであれば、その構造は任意であるが、所定位置に固定して設けられ、複数の開口を備えた固定通気板と、該固定通気板に重ねて設けられ、該固定通気板に対して位置をずらせることで開口率を調整可能な可動板と、該可動板の位置を調整する可動板位置調整機構を備えている構成とすることが、簡単な構造で風速調整を行うことができ、好ましい。   The above-described wind speed adjusting mechanism may be of any structure as long as it can adjust the passing wind speed, but is fixedly provided at a predetermined position and provided with a fixed ventilation plate having a plurality of openings, and the fixed ventilation. A movable plate that is provided so as to overlap the plate and is capable of adjusting the aperture ratio by shifting the position with respect to the fixed ventilation plate, and a movable plate position adjusting mechanism that adjusts the position of the movable plate. However, the wind speed can be adjusted with a simple structure, which is preferable.

その際、前記固定通気板と可動板を、同一形状の多孔板で構成することが、構造を簡単とできるので好ましい。   In that case, it is preferable that the fixed ventilation plate and the movable plate are formed of a porous plate having the same shape because the structure can be simplified.

前記風速分布調整部材と空気吹き出し口との間には、熱交換器を配置しておくことが好ましく、これによって通過する空気を加熱或いは冷却できると共に、風速分布調整部材を通り過ぎた空気の風速分布に多少のむらがあっても熱交換器を通過する際の抵抗で均一化できる。   It is preferable to arrange a heat exchanger between the wind speed distribution adjusting member and the air outlet, so that the air passing therethrough can be heated or cooled, and the wind speed distribution of the air passing through the wind speed distribution adjusting member. Even if there is some unevenness, it can be made uniform by resistance when passing through the heat exchanger.

本発明の風速分布調整装置は、空気吹き出し口の上流の空気通路内に複数の風速調整機構を備えた風速分布調整部材を設けると共に複数の風速調整機構のそれぞれの下流に複数の風速測定手段を配置しているので、空気吹き出し口から空気を吹き出した状態で風速分布を測定し、その結果に基づいて複数の風速調整機構を調整して風速分布を所望のように調整でき、常に所望の風速分布を得ることができ、また、運転条件を変更して風量を変化させた場合にも、所望の風速分布を得ることができる。 The wind speed distribution adjusting device of the present invention is provided with a wind speed distribution adjusting member having a plurality of wind speed adjusting mechanisms in an air passage upstream of an air outlet, and has a plurality of wind speed measuring means downstream of each of the plurality of wind speed adjusting mechanisms. Therefore, the wind speed distribution can be adjusted as desired by measuring the wind speed distribution with air blown out from the air outlet, and adjusting the multiple wind speed adjustment mechanisms based on the results. A distribution can be obtained, and a desired wind speed distribution can also be obtained when the air volume is changed by changing the operating conditions.

以下、図面を参照して本発明の好適な実施の形態を説明する。図１（ａ）は本発明の実施の形態に係る風速分布調整装置の概略水平断面図、（ｂ）は（ａ）のＡ−Ａ矢視概略断面図、図２（ａ）は風速分布調整動作を行う前の風速分布調整部材の概略断面図、（ｂ）はその風速分布調整部材の概略正面図、（ｃ）は風速分布調整部材の下流における風速分布を示すグラフ、図３（ａ）は風速分布調整動作を行った後の風速分布調整部材の概略断面図、（ｂ）はその風速分布調整部材の概略正面図、（ｃ）は風速分布調整部材の下流における風速分布を示すグラフである。図面に示す実施の形態は、ウェブ塗膜の乾燥装置に本発明を適用したものであり、１は水平に走行しているウェブ、２はそのウェブ１の表面の塗膜を乾燥させるための乾燥装置、３は乾燥装置２内に配置され、ウェブ１の表面に平行に空気を吹き出す空気吹き出し口４とそれに通じる空気通路５を備えた空気吹き出し装置、６はその空気吹き出し装置に空気を送り込むブロワ、１０は本発明の実施の形態に係る風速分布調整装置である。   Preferred embodiments of the present invention will be described below with reference to the drawings. 1A is a schematic horizontal cross-sectional view of a wind speed distribution adjusting device according to an embodiment of the present invention, FIG. 1B is a schematic cross-sectional view taken along line AA in FIG. 1A, and FIG. FIG. 3A is a schematic cross-sectional view of the wind speed distribution adjusting member before operation, FIG. 3B is a schematic front view of the wind speed distribution adjusting member, and FIG. 3C is a graph showing the wind speed distribution downstream of the wind speed distribution adjusting member. Is a schematic cross-sectional view of the wind speed distribution adjusting member after performing the wind speed distribution adjusting operation, (b) is a schematic front view of the wind speed distribution adjusting member, and (c) is a graph showing the wind speed distribution downstream of the wind speed distribution adjusting member. is there. In the embodiment shown in the drawings, the present invention is applied to a web coating film drying apparatus, where 1 is a horizontally running web, and 2 is drying for drying the coating film on the surface of the web 1. An apparatus 3 is disposed in the drying apparatus 2 and is an air blowing apparatus provided with an air blowing port 4 for blowing air in parallel to the surface of the web 1 and an air passage 5 leading to the air blowing port 6, and a blower for sending air to the air blowing apparatus Reference numeral 10 denotes a wind speed distribution adjusting apparatus according to the embodiment of the present invention.

風速分布調整装置１０は、空気吹き出し口４より上流側の空気通路５であって、空気吹き出し口４から同一断面で続いている領域に配置された風速分布調整部材１１を備えている。この風速分布調整部材１１は、空気通路５内を複数の領域に分割するように配置され、各領域の風速をそれぞれ調整可能な複数の風速調整機構１２を備えている。各風速調整機構１２は、所定位置に固定して設けられ、複数の開口１４ａを備えた固定通気板１４と、その固定通気板１４に重ねて設けられ、その固定通気板１４に対して位置をずらせることで固定通気板の開口率を調整可能な可動板１５と、その可動板１５の位置を調整する可動板位置調整機構１６を備えている。ここで、固定通気板１４には、開口１４ａを円形孔とした多孔板が用いられているが、これに限らず、スリットやメッシュ、ハニカム等を用いてもよい。固定通気板１４に多孔板を用いる場合、開口１４ａの径や個数は、特に限定するものではないが、孔径としては２〜３０ｍｍ、開口率は２０〜７０％程度が好ましい。可動板１５は、固定通気板１４に重ねた状態で固定通気板１４に対して位置をずらせることで固定通気板の開口率を調整可能な構造のものであれば任意であるが、この実施の形態では、固定通気板１４の開口１４ａと同一径で、同一配列の多数の開口１５ａを備えた多孔板を用いている。   The wind speed distribution adjusting device 10 includes an air speed distribution adjusting member 11 that is disposed in an air passage 5 on the upstream side of the air blowing port 4 and continuing from the air blowing port 4 in the same cross section. The wind speed distribution adjusting member 11 is arranged so as to divide the inside of the air passage 5 into a plurality of regions, and includes a plurality of wind speed adjusting mechanisms 12 that can adjust the wind speed in each region. Each wind speed adjusting mechanism 12 is fixedly provided at a predetermined position, and is provided so as to overlap with the fixed ventilation plate 14 provided with a plurality of openings 14 a and the fixed ventilation plate 14, and is positioned with respect to the fixed ventilation plate 14. A movable plate 15 capable of adjusting the aperture ratio of the fixed ventilation plate by shifting and a movable plate position adjusting mechanism 16 for adjusting the position of the movable plate 15 are provided. Here, the fixed ventilation plate 14 is a porous plate having a circular hole as the opening 14a. However, the present invention is not limited to this, and a slit, mesh, honeycomb, or the like may be used. When a porous plate is used as the fixed ventilation plate 14, the diameter and number of the openings 14a are not particularly limited, but the hole diameter is preferably 2 to 30 mm and the opening ratio is preferably about 20 to 70%. The movable plate 15 is optional as long as the movable plate 15 has a structure in which the aperture ratio of the fixed ventilation plate can be adjusted by shifting the position of the movable ventilation plate 14 with respect to the fixed ventilation plate 14. In this embodiment, a perforated plate having a plurality of openings 15a having the same diameter and the same diameter as the openings 14a of the fixed ventilation plate 14 is used.

可動板位置調整機構１６は、可動板１５の固定通気板１４に対する位置を調整可能なものであればその構造は任意であるが、この実施の形態では、定位置に設けられた支持板１８に、定位置で回転自在に保持された調整ボルト１９と、可動板１５に取り付けられ、調整ボルト１９にねじ係合するナット部材２０を備えたものが用いられている。この構造により、調整ボルト１９を回転させることで、可動板１５の位置調整を行うことができる。   The movable plate position adjusting mechanism 16 may have any structure as long as the position of the movable plate 15 with respect to the fixed ventilation plate 14 can be adjusted. In this embodiment, the movable plate position adjusting mechanism 16 is attached to the support plate 18 provided at a fixed position. An adjustment bolt 19 that is rotatably held at a fixed position and a nut member 20 that is attached to the movable plate 15 and that engages with the adjustment bolt 19 by a screw are used. With this structure, the position of the movable plate 15 can be adjusted by rotating the adjustment bolt 19.

風速分布調整部材１０は更に、複数の風速調整機構１２のそれぞれの下流に配置された複数の風速測定手段、例えば風速センサー２３を備えている。風速センサー２３の出力は、表示装置（図示せず）に出力されており、測定した風速を表示するようになっている。風速センサー２３としては、熱線式風速計や差圧式風速計を例示できる。   The wind speed distribution adjusting member 10 further includes a plurality of wind speed measuring means, for example, a wind speed sensor 23, which are arranged downstream of the plurality of wind speed adjusting mechanisms 12. The output of the wind speed sensor 23 is output to a display device (not shown), and the measured wind speed is displayed. Examples of the wind speed sensor 23 include a hot wire anemometer and a differential pressure anemometer.

なお、空気吹き出し口４は、空気通路５と同一断面で単に大きく開口しただけのものでもよいが、必要に応じ、その全域に渡ってノズル、整流板等を設けてもよい。   The air outlet 4 may be a large opening with the same cross section as the air passage 5, but a nozzle, a rectifying plate, etc. may be provided over the entire area as necessary.

次に、上記構成の風速分布調整装置１０による風速分布調整動作を説明する。図２（ａ）、（ｂ）に示すように、固定通気板１４と可動板１５のそれぞれの開口１４ａ、１５ａを一致させた状態で、図１に示すようにブロワ６から、所望の風量で空気を供給し、空気吹き出し口４から吹き出させる。この状態で、複数の風速調整機構１２のそれぞれの下流に配置された複数の風速センサー２３で風速を測定する。いま、測定した風速が、図２（ｃ）のグラフに示すように、ウェブの幅方向に分布していた場合、その測定結果を基に、各風速調整機構１２の調整ボルト１９を手動で調整して可動板１４を移動させ、各風速調整機構１２の開口率を変更し、所望の風速分布になるまで調整を行う。これにより、図３に示すように、複数の風速調整機構１２の開口率が幅方向に変化した状態となり、図３（ｃ）に示すように、ほぼ均一な所望の風速分布が得られる。風速分布調整部材１１の位置から空気吹き出し口４までの空気通路５は同一断面で続いているので、風速分布調整部材１１のすぐ下流における風速分布は、空気吹き出し口４に到達するまでにはほとんど変化せず、従って、風速分布調整部材１１によってほぼ均一な所望の風速分布に調整しておくと、その所望の風速分布で空気吹き出し口４から空気が吹き出される。このように所望の風速分布が得られるように調整した後は、その状態で空気吹き出しを行い、ウェブ１の塗膜乾燥を行う。   Next, the wind speed distribution adjusting operation by the wind speed distribution adjusting apparatus 10 having the above configuration will be described. As shown in FIGS. 2 (a) and 2 (b), with the openings 14a and 15a of the fixed vent plate 14 and the movable plate 15 being matched, the blower 6 has a desired air volume as shown in FIG. Air is supplied and blown out from the air outlet 4. In this state, the wind speed is measured by a plurality of wind speed sensors 23 arranged downstream of each of the plurality of wind speed adjusting mechanisms 12. If the measured wind speed is distributed in the width direction of the web as shown in the graph of FIG. 2C, the adjustment bolt 19 of each wind speed adjusting mechanism 12 is manually adjusted based on the measurement result. Then, the movable plate 14 is moved, the aperture ratio of each wind speed adjusting mechanism 12 is changed, and adjustment is performed until a desired wind speed distribution is obtained. As a result, as shown in FIG. 3, the aperture ratios of the plurality of wind speed adjusting mechanisms 12 are changed in the width direction, and a substantially uniform desired wind speed distribution is obtained as shown in FIG. Since the air passage 5 from the position of the wind speed distribution adjusting member 11 to the air outlet 4 continues in the same cross section, the wind speed distribution immediately downstream of the wind speed distribution adjusting member 11 is almost not reached until the air outlet 4 is reached. Therefore, if the wind speed distribution adjusting member 11 adjusts to a substantially uniform desired wind speed distribution, air is blown out from the air outlet 4 with the desired wind speed distribution. Thus, after adjusting so that desired wind speed distribution may be obtained, air blowing is performed in the state, and the coating film drying of the web 1 is performed.

乾燥装置２の運転中においても、適当な周期で複数の風速センサー２３で風速分布を測定し、もし風速分布が所望の風速分布からずれていた時には、再度、各風速調整機構１２の開口率調整を行う。これにより、所望の風速分布が得られる。また、運転条件を変更し、ブロワ６からの風量を変化させた場合にも、複数の風速センサー２３で風速分布を測定し、所望の風速分布が得られるように、各風速調整機構１２の開口率調整を行う。これにより、所望の風速分布が得られる。以上のように、この風速分布調整装置１０を用いることで、空気吹き出し口４からの風速分布を、常に所望の風速分布とすることができる。   Even during the operation of the drying apparatus 2, the wind speed distribution is measured by a plurality of wind speed sensors 23 at an appropriate period. If the wind speed distribution deviates from the desired wind speed distribution, the aperture ratio adjustment of each wind speed adjusting mechanism 12 is performed again. I do. Thereby, a desired wind speed distribution is obtained. In addition, even when the operating conditions are changed and the air volume from the blower 6 is changed, the wind speed distribution is measured by the plurality of wind speed sensors 23 so that a desired wind speed distribution can be obtained. Adjust the rate. Thereby, a desired wind speed distribution is obtained. As described above, by using this wind speed distribution adjusting device 10, the wind speed distribution from the air outlet 4 can always be a desired wind speed distribution.

なお、上記した動作説明では、風速分布が幅方向に均一になるように、開口率調整を行っているが、風速分布は必ずしも均一とする場合に限らず、例えば、両端の風速を中央領域よりも高くするとか、逆に低くするといった不均一な風速分布が得られるように開口率調整を行ってもよい。更に、上記した実施の形態では、開口率調整を、調整ボルト１９の手動操作によって行っているが、これに限らず、遠隔操作する構成とするとか、風速測定結果をフィードバックして自動制御する構成としてもよい。例えば、可動板位置調整機構１６として、モータとねじ軸を備え、モータの正逆回転によって可動板１５を往復移動させる構成のものを用い、モータを押しボタン操作で回転させて可動板１５を移動させるとか、風速測定結果をフィードバックしてモータを回転させる構成としてもよい。また、可動板位置調整機構１６として、圧電素子を備えその圧電素子への印加電圧の調整によって可動板１５の位置を調整する構成のものを用い、圧電素子への印加電圧を手動で調整して可動板１５を移動させるとか、風速測定結果をフィードバックして圧電素子への印加電圧を調整する構成としてもよい。   In the above description of the operation, the aperture ratio is adjusted so that the wind speed distribution is uniform in the width direction. However, the wind speed distribution is not necessarily uniform. The aperture ratio may be adjusted so as to obtain a non-uniform wind speed distribution such as increasing or decreasing it. Furthermore, in the above-described embodiment, the aperture ratio adjustment is performed by manual operation of the adjustment bolt 19. However, the present invention is not limited to this, and the remote control operation is performed, or the wind speed measurement result is fed back and automatically controlled. It is good. For example, the movable plate position adjusting mechanism 16 includes a motor and a screw shaft and is configured to reciprocate the movable plate 15 by forward and reverse rotation of the motor, and the movable plate 15 is moved by rotating the motor by a push button operation. Alternatively, the motor speed may be rotated by feeding back the wind speed measurement result. Further, the movable plate position adjusting mechanism 16 is configured to have a piezoelectric element and adjust the position of the movable plate 15 by adjusting the voltage applied to the piezoelectric element, and manually adjust the voltage applied to the piezoelectric element. The movable plate 15 may be moved or the wind speed measurement result may be fed back to adjust the voltage applied to the piezoelectric element.

図４は本発明の他の実施の形態に係る風速分布調整装置を示すものである。この実施の形態に係る風速分布調整装置１０Ａも、空気吹き出し口４より上流側の空気通路５に配置された風速分布調整部材１１Ａであって、空気通路５内を複数の領域に分割するように配置され、各領域の風速をそれぞれ調整可能な複数の風速調整機構１２Ａを備えた風速分布調整部材１１Ａと、複数の風速調整機構１２Ａのそれぞれの下流に配置された複数の風速測定手段、例えば風速センサー２３を備えている。ここで用いている風速調整機構１２Ａは、空気が通過する面積を変更可能な絞り機構３１と、その下流に配置され、空気を均一に吹き出すための多孔板等の整流板３２を備えている。この構成の風速分布調整装置１０Ａにおいても、複数の風速センサー２３の測定結果を基に、各絞り機構３１の開口面積を調整することで、所望の風速分布を得ることができる。   FIG. 4 shows a wind speed distribution adjusting apparatus according to another embodiment of the present invention. The wind speed distribution adjusting device 10A according to this embodiment is also a wind speed distribution adjusting member 11A arranged in the air passage 5 upstream of the air outlet 4 so as to divide the air passage 5 into a plurality of regions. A wind speed distribution adjusting member 11A having a plurality of wind speed adjusting mechanisms 12A arranged and capable of adjusting the wind speed in each region, and a plurality of wind speed measuring means, for example, wind speed, arranged downstream of each of the plurality of wind speed adjusting mechanisms 12A. A sensor 23 is provided. The wind speed adjusting mechanism 12A used here includes a throttle mechanism 31 that can change the area through which air passes, and a rectifying plate 32 such as a perforated plate that is disposed downstream of the throttle mechanism 31 and blows out air uniformly. Also in the wind speed distribution adjusting apparatus 10A having this configuration, a desired wind speed distribution can be obtained by adjusting the opening area of each throttle mechanism 31 based on the measurement results of the plurality of wind speed sensors 23.

以上に説明した実施の形態はいずれも、空気吹き出し口４の上流の空気通路には、風速分布調整装置１０、１０Ａのみを配置しているが、これに限らず、図５に示すように、風速分布調整装置１０の上流に、気流が均等に複数の風速調整機構１２に流入するように案内する整流板３５を設けてもよい。このように整流板３５を設けると、複数の風速調整機構１２への空気流が比較的均一となるので、空気吹き出し口４での風速分布を均一に調整する場合、複数の風速調整機構１２での調整量を小さくできる利点が得られる。また、図６に示すように、風速分布調整装置１０と空気吹き出し口４との間に熱交換器３７を配置してもよい。この熱交換器３７を設けておくと、通過する空気を加熱或いは冷却できると共に、風速分布調整部材１１を通り過ぎた空気の風速分布に多少のむらがあっても熱交換器３７を通過する際の抵抗で均一化でき、一層均一な風速分布を確保できる利点が得られる。   In any of the embodiments described above, only the wind speed distribution adjusting devices 10 and 10A are arranged in the air passage upstream of the air outlet 4, but not limited thereto, as shown in FIG. A rectifying plate 35 may be provided upstream of the wind speed distribution adjusting device 10 to guide the airflow to flow uniformly into the plurality of wind speed adjusting mechanisms 12. When the rectifying plate 35 is provided in this manner, the air flow to the plurality of wind speed adjusting mechanisms 12 becomes relatively uniform. Therefore, when the wind speed distribution at the air outlet 4 is adjusted uniformly, the plurality of wind speed adjusting mechanisms 12 are used. There is an advantage that the adjustment amount can be reduced. Further, as shown in FIG. 6, a heat exchanger 37 may be disposed between the wind speed distribution adjusting device 10 and the air outlet 4. If this heat exchanger 37 is provided, the air passing therethrough can be heated or cooled, and the resistance when passing through the heat exchanger 37 even if there is some unevenness in the wind speed distribution of the air passing through the wind speed distribution adjusting member 11. The advantage that a more uniform wind speed distribution can be secured is obtained.

以上に本発明の風速分布調整装置を、ウェブ塗膜の乾燥装置に適用した実施の形態を説明したが、本発明の風速分布調整装置は、この用途に限らず、空気吹き出し口での風速分布の調整が必要な任意の用途に使用可能である。また、本発明は前記した実施の形態に限定されず、特許請求の範囲の記載範囲内で適宜変更可能である。   Although the embodiment in which the wind speed distribution adjusting device of the present invention is applied to the web coating film drying device has been described above, the wind speed distribution adjusting device of the present invention is not limited to this application, and the wind speed distribution at the air outlet is used. It can be used for any application that requires adjustment. The present invention is not limited to the above-described embodiment, and can be appropriately changed within the scope of the claims.

（ａ）は本発明の実施の形態に係る風速分布調整装置の概略水平断面図、（ｂ）は（ａ）のＡ−Ａ矢視概略断面図(A) is a schematic horizontal sectional view of the wind speed distribution adjusting device according to the embodiment of the present invention, and (b) is a schematic sectional view taken along the line AA of (a). （ａ）は風速分布調整動作を行う前の風速分布調整部材の概略断面図、（ｂ）はその風速分布調整部材の概略正面図、（ｃ）は風速分布調整部材の下流における風速分布を示すグラフ(A) is a schematic sectional view of the wind speed distribution adjusting member before performing the wind speed distribution adjusting operation, (b) is a schematic front view of the wind speed distribution adjusting member, and (c) is a wind speed distribution downstream of the wind speed distribution adjusting member. Graph （ａ）は風速分布調整動作を行った後の風速分布調整部材の概略断面図、（ｂ）はその風速分布調整部材の概略正面図、（ｃ）は風速分布調整部材の下流における風速分布を示すグラフ(A) is a schematic cross-sectional view of the wind speed distribution adjusting member after performing the wind speed distribution adjusting operation, (b) is a schematic front view of the wind speed distribution adjusting member, and (c) is a wind speed distribution downstream of the wind speed distribution adjusting member. Graph showing 本発明の他の実施の形態に係る風速分布調整装置の概略水平断面図Schematic horizontal sectional view of a wind speed distribution adjusting apparatus according to another embodiment of the present invention. 本発明の更に他の実施の形態に係る風速分布調整装置の概略水平断面図Schematic horizontal sectional view of a wind speed distribution adjusting apparatus according to still another embodiment of the present invention. 本発明の更に他の実施の形態に係る風速分布調整装置の概略水平断面図Schematic horizontal sectional view of a wind speed distribution adjusting apparatus according to still another embodiment of the present invention.

符号の説明Explanation of symbols

１ ウェブ
２ 乾燥装置
３ 空気吹き出し装置
４ 空気吹き出し口
５ 空気通路
６ ブロワ
１０、１０Ａ 風速分布調整装置
１１、１１Ａ 風速分布調整部材
１２、１２Ａ 風速調整機構
１４ 固定通気板
１４ａ 開口
１５ 可動板
１５ａ 開口
１６ 可動板位置調整機構
１８ 支持板
１９ 調整ボルト
２０ ナット部材
２３ 風速センサー
３１ 絞り機構
３２ 整流板
３５ 整流板
３７ 熱交換器 DESCRIPTION OF SYMBOLS 1 Web 2 Drying device 3 Air blowing device 4 Air blowing port 5 Air passage 6 Blower 10, 10A Wind speed distribution adjusting device 11, 11A Wind speed distribution adjusting member 12, 12A Wind speed adjusting mechanism 14 Fixed ventilation plate 14a Opening 15 Movable plate 15a Opening 16 Movable plate position adjustment mechanism 18 Support plate 19 Adjustment bolt 20 Nut member 23 Wind speed sensor 31 Throttle mechanism 32 Current plate 35 Current plate 37 Heat exchanger

Claims (5)

空気吹き出し口より上流側の空気通路に配置された風速分布調整部材であって、前記空気通路内を複数の領域に分割するように配置され、各領域の風速をそれぞれ調整可能な複数の風速調整機構を備えた風速分布調整部材と、前記複数の風速調整機構のそれぞれの下流に配置された複数の風速測定手段を備えたことを特徴とする風速分布調整装置。   A wind speed distribution adjusting member arranged in an air passage upstream from the air outlet, and arranged to divide the inside of the air passage into a plurality of regions, and a plurality of wind speed adjustments capable of adjusting the wind speed in each region, respectively. An apparatus for adjusting a wind speed distribution, comprising: a wind speed distribution adjusting member including a mechanism; and a plurality of wind speed measuring means disposed downstream of each of the plurality of wind speed adjusting mechanisms. 前記空気通路の、前記風速分布調整部材を配置した位置から前記空気吹き出し口に至る領域が同一断面であることを特徴とする請求項１記載の風速分布調整装置。   The wind speed distribution adjusting device according to claim 1, wherein a region of the air passage from the position where the wind speed distribution adjusting member is arranged to the air outlet has the same cross section. 前記風速分布調整機構が、所定位置に固定して設けられ、複数の開口を備えた固定通気板と、該固定通気板に重ねて設けられ、該固定通気板に対して位置をずらせることで開口率を調整可能な可動板と、該可動板の位置を調整する可動板位置調整機構を備えていることを特徴とする請求項１又は２記載の風速分布調整装置。   The wind speed distribution adjusting mechanism is fixedly provided at a predetermined position and provided with a fixed vent plate having a plurality of openings, and is provided on the fixed vent plate so that the position is shifted with respect to the fixed vent plate. The wind speed distribution adjusting device according to claim 1 or 2, further comprising a movable plate capable of adjusting an aperture ratio and a movable plate position adjusting mechanism for adjusting a position of the movable plate. 前記固定通気板と可動板が、同一形状の多孔板で構成されていることを特徴とする請求項３記載の風速分布調整装置。   4. The wind speed distribution adjusting device according to claim 3, wherein the fixed ventilation plate and the movable plate are formed of a porous plate having the same shape. 前記風速分布調整部材と空気吹き出し口との間に、熱交換器が配置されていることを特徴とする請求項１から４のいずれか１項記載の風速分布調整装置。
The wind speed distribution adjusting device according to any one of claims 1 to 4, wherein a heat exchanger is disposed between the wind speed distribution adjusting member and the air outlet.
JP2006092826A 2006-03-30 2006-03-30 Wind speed distribution adjustment device Expired - Fee Related JP4899586B2 (en)

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