JP4829160B2 - Solar heat collecting wall structure - Google Patents

Solar heat collecting wall structure Download PDF

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JP4829160B2
JP4829160B2 JP2007087575A JP2007087575A JP4829160B2 JP 4829160 B2 JP4829160 B2 JP 4829160B2 JP 2007087575 A JP2007087575 A JP 2007087575A JP 2007087575 A JP2007087575 A JP 2007087575A JP 4829160 B2 JP4829160 B2 JP 4829160B2
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spandrel
frame
wall
air
space
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JP2008249173A (en
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達一郎 田代
梨沙 長谷川
正夫 高木
雅宏 瀬戸
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Nippon Light Metal Co Ltd
Lixil Corp
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Nippon Light Metal Co Ltd
Lixil Corp
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/60—Solar heat collectors integrated in fixed constructions, e.g. in buildings
    • F24S20/66—Solar heat collectors integrated in fixed constructions, e.g. in buildings in the form of facade constructions, e.g. wall constructions
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Building Environments (AREA)

Description

本発明は、太陽熱を効率よく利用して温めた空気を屋内に導入する太陽熱集熱壁構造に関するものである。   The present invention relates to a solar heat collecting wall structure that introduces indoor air that is warmed by efficiently using solar heat.

最近、環境保護の見地や自然エネルギーを有効に利用しようとする観点から、太陽光から発電したり、太陽熱を直接に集熱して暖房に利用したり、風呂水を沸かすのに利用したりすることができる装置が市場に出回るようになっている。   Recently, from the viewpoint of environmental protection and effective use of natural energy, generating electricity from sunlight, collecting solar heat directly and using it for heating, or using it to boil bath water Devices that can do this are now on the market.

その中で、金属製の下地材の表側に多数の小孔を有するアルミニウム製の集熱パネルを配設してなる集熱ユニットと、この集熱ユニットを建物の外壁に添って配設し、上記下地材の上部に開口部を形成し、上部開口部を上記外壁に貫通した貫通口を通して換気ファンに接続した構成の集熱システムが知られている（特許文献１参照）。このシステムは、上記集熱パネルの小孔から外気を集熱ユニットの内部に導入し、この空気を太陽熱により加熱された集熱パネルに接触させて昇温し、換気ファンを作動させることにより上部貫通口から室内に吸引するものである。これにより、冬季には暖められた空気が室内に取り込まれるので、太陽熱の有効利用の一形態として有望視されている。
特開２００５−２２１１０１公報 Among them, a heat collection unit comprising an aluminum heat collection panel having a large number of small holes on the front side of a metal base material, and this heat collection unit is arranged along the outer wall of the building, There is known a heat collection system having a configuration in which an opening is formed in the upper part of the base material and the upper opening is connected to a ventilation fan through a through hole penetrating the outer wall (see Patent Document 1). In this system, outside air is introduced into the heat collecting unit through the small holes of the heat collecting panel, the air is brought into contact with the heat collecting panel heated by solar heat, and the ventilation fan is operated to operate the upper part. The air is sucked into the room from the through hole. As a result, warmed air is taken into the room in the winter, which is considered promising as one form of effective use of solar heat.
Japanese Patent Laid-Open No. 2005-221101

しかしながら、上記集熱システムは、集熱パネルのほぼ全面に多数の小孔を形成しなければならないので加工が面倒である。また、小孔は全て外気と連通しているので、集熱ユニットの内部の空気が昇温した後、その一部は上記小孔から再び屋外側に逃げていったり、小孔から雨が内部に入り込み、酸化による腐食が促される可能性があるので、下地材の上からさらにガラス等の透明パネルで覆う必要がある。したがって、構造が複雑で製造コストが高くなるという問題があった。   However, the above heat collection system is troublesome because a large number of small holes must be formed on almost the entire surface of the heat collection panel. In addition, since all the small holes are in communication with the outside air, after the air inside the heat collecting unit has heated up, some of them have escaped from the small holes to the outdoor side, or rain has fallen through the small holes. Since there is a possibility that corrosion due to oxidation may be promoted, it is necessary to cover the base material with a transparent panel such as glass. Therefore, there is a problem that the structure is complicated and the manufacturing cost is increased.

本発明は、上記問題点を解消するとともに、近年は窓開口部のガラスの遮熱性能が向上し、それにつれて冬季の太陽熱の利用が妨げられているという点に着目し、簡単な構造で、しかも低コストで太陽熱を有効に利用することができる太陽熱集熱壁構造を提供することをその課題とする。   The present invention solves the above-mentioned problems and, in recent years, pays attention to the fact that the heat shielding performance of the glass of the window opening is improved, and accordingly, the use of solar heat in winter is hindered, with a simple structure, Moreover, it is an object to provide a solar heat collecting wall structure that can effectively use solar heat at low cost.

前記課題を解決するため、請求項１に係る発明は、建物の壁躯体の外壁に断熱性を有する下地材を介してアルミニウムの押出型材からなるスパンドレルを配置固定するとともに、外壁とスパンドレルとの間に空間部を形成し、上記スパンドレルの端部から上記空間部内に取り入れた外気を太陽熱で加熱されたスパンドレルによって昇温させ、上記空間部内の空気を上記壁躯体に形成した空気通路から屋内に導入するものであり、上記空気通路の屋内側には吸気ファンが設けられ、上記スパンドレルは、着色表面処理又は選択吸収材膜処理の少なくともいずれかを施したものであり、上記スパンドレルの背面側には放熱フィンが形成され、上記スパンドレルの上下端は、上枠と下枠とによって固定されるものであり、上記上枠と下枠には水切り部と嵌合溝が形成され、上記スパンドレルの上端と下端は、上記嵌合溝に嵌合され、上記下枠には、上記空間部に通じる空気導入口が形成されていることを特徴とする。 In order to solve the above-mentioned problem, the invention according to claim 1 is configured to place and fix a spandrel made of an aluminum extrusion mold material on an outer wall of a wall case of a building through a base material having heat insulation properties, and between the outer wall and the spandrel. A space portion is formed in the space portion, and the outside air taken into the space portion from the end of the span drel is heated by a spandrel heated by solar heat, and the air in the space portion is introduced indoors through an air passage formed in the wall housing. An air intake fan is provided on the indoor side of the air passage, and the spandrel is subjected to at least one of a colored surface treatment and a selective absorbent film treatment, and on the back side of the spandrel A heat radiating fin is formed, and the upper and lower ends of the spandrel are fixed by an upper frame and a lower frame. And the fitting groove is formed, the upper and lower ends of the spandrel is fitted into the fitting groove, the said sill, characterized in that the air inlet communicating with the space portion is formed.

請求項１に係る発明によれば、スパンドレルの端部から取り込まれて空間部内で暖められた空気を壁躯体の貫通口から屋内に導入する構成であるから、空間部内で暖められた空気は屋外に逃げることがないので集熱効率がよく、また、スパンドレルを太陽熱の集熱用のパネルとして直接利用するので、従来のように多数の小孔を形成するという加工が必要がない。さらに、スパンドレルの内部に雨が進入することがなく、スパンドレルの外部からガラス板等で覆う必要がない。   According to the first aspect of the present invention, since the air that has been taken in from the end of the spandrel and is heated in the space is introduced indoors through the through hole of the wall housing, the air that is heated in the space is outdoors. Therefore, since the spandrel is directly used as a solar heat collecting panel, there is no need to form a large number of small holes as in the prior art. Furthermore, rain does not enter the inside of the spandrel, and it is not necessary to cover the outside of the spandrel with a glass plate or the like.

さらに、スパンドレルは本来外壁材として使用されている部材であるから、これを外壁に取り付けても外観上の違和感はない。   Furthermore, since the spandrel is a member that is originally used as an outer wall material, even if it is attached to the outer wall, there is no discomfort in appearance.

このように、構造が簡単で、製造コストも抑えることができるから、窓開口部のガラスの遮熱性能が向上するのに伴い冬季の太陽熱の利用が妨げられているのを補完する手段として、低コストで太陽熱を有効に利用できる太陽熱集熱壁構造を市場に提供することができる。   In this way, since the structure is simple and the manufacturing cost can be suppressed, as a means to supplement that the use of solar heat in winter is hindered as the heat shielding performance of the glass of the window opening is improved, A solar heat collecting wall structure that can effectively use solar heat at low cost can be provided to the market.

また、スパンドレルの上下端は上枠と下枠とによって固定されているから、スパンドレルを強固に固定することができる。 Moreover , since the upper and lower ends of the spandrel are fixed by the upper frame and the lower frame, the spandrel can be firmly fixed.

また、スパンドレルの背面側に放熱フィンが形成されているので、日射によりスパンドレルが加熱され、背面側の放熱フィンにより放熱面積が大きいので、スパンドレルの内側空間部の空気は短時間のうちに暖められて温度が上昇する。 In addition , since the radiation fins are formed on the back side of the spandrel, the spandrel is heated by solar radiation, and the heat radiation area is large due to the radiation fins on the back side, so the air in the space inside the spandrel is warmed in a short time. Temperature rises.

また、上記外壁には断熱性を有する下地材を介して上記スパンドレルが設けられているので、背面の建屋の壁への熱の逃げを防止し、暖気を空間部内に暖められたまま閉じ込めることができ、スパンドレルによって集熱された熱を効率よく建物内に取り込むことができる。 In addition , since the spandrel is provided on the outer wall through a base material having heat insulation properties, it is possible to prevent heat from escaping to the wall of the building on the back, and to trap the warm air while being warmed in the space. The heat collected by the spandrel can be efficiently taken into the building.

また、枠体を構成する下枠には、スパンドレルの内側の空間部に直接に通じる空気導入口が形成されているから、スパンドレル自体には空気導入口を形成するための加工を施す必要がない。したがって、外気取り込みのための加工作業を容易に行うことができる。 In addition , since the air introduction port that directly communicates with the space inside the span drel is formed in the lower frame constituting the frame body, it is not necessary to perform processing for forming the air introduction port on the span drel itself. . Therefore, the processing work for taking in outside air can be easily performed.

また、空気導入口は下向きに開口しているからスパンドレルの内側に雨水が入り込む可能性が小さい。雨水が入り込んでも、空気導入口から自然に水抜きが行われる。   Moreover, since the air inlet port is opened downward, there is little possibility that rainwater enters the inside of the span drel. Even if rainwater enters, water is naturally drained from the air inlet.

また、壁躯体の貫通口の屋内側には吸気ファンが設けられているので、強制的にスパンドレルの内側空間部内の暖気を屋内側に導入することができる。 Further , since the intake fan is provided on the indoor side of the through hole of the wall frame, the warm air in the inner space portion of the spandrel can be forcibly introduced to the indoor side.

また、枠体を構成する下枠と上枠はスパンドレルの上端と下端とを嵌合するが、同時に水切り部が形成されているので、水切り材を兼用することができ、枠体自体が水切り効果を有することになり、スパンドレル内に雨水が入り込みにくいので、装置全体が腐食しにくく、耐久性が向上する。 In addition , the lower frame and the upper frame constituting the frame body fit the upper end and lower end of the spandrel, but since a draining part is formed at the same time, it can also be used as a draining material, and the frame itself has a draining effect. Since rainwater does not easily enter the spandrel, the entire apparatus is hardly corroded and durability is improved.

図１は太陽熱集熱壁構造を配設した建物の斜視図、図２は上記太陽熱集熱壁構造の縦断面図、図３はその横断面図であり、図４は図２の要部の拡大図である。   1 is a perspective view of a building provided with a solar heat collecting wall structure, FIG. 2 is a longitudinal sectional view of the solar heat collecting wall structure, FIG. 3 is a transverse sectional view thereof, and FIG. 4 is a main portion of FIG. It is an enlarged view.

上図において符号Ａは太陽熱集熱壁構造を示す。この太陽熱集熱壁構造Ａは、建物の壁躯体１の外壁にスパンドレル２を枠組みして固定するとともに、外壁とスパンドレル２との間に空間部Ｓを形成し、上記スパンドレル２の下部から上記空間部Ｓ内に取り入れた外気を太陽熱で加熱されたスパンドレル２によって昇温させ、上記空間部Ｓ内の空気を上記壁躯体１に形成した空気通路３から屋内に導入するようにしたものである。   In the upper figure, the symbol A indicates a solar heat collecting wall structure. The solar heat collecting wall structure A is constructed by fixing the spandrel 2 to the outer wall of the wall case 1 of the building in a framework and forming a space S between the outer wall and the spandrel 2, and the space from the lower part of the spandrel 2 The outside air taken in the portion S is heated by the spandrel 2 heated by solar heat, and the air in the space portion S is introduced indoors from the air passage 3 formed in the wall housing 1.

太陽熱集熱壁構造Ａを備えた壁躯体１は、上部窓サッシａと下部窓サッシｂが配設され、上部窓サッシａの下枠ａ１を支持する窓台４と、下部窓サッシｂの上枠ｂ１を支持するまぐさ５と、左右の柱６と、間柱７とによって構成されるとともに、その屋内側には内装材８が取り付けられ、外壁側には断熱材９が取り付けられている。そして、断熱材９の屋外側にはさらにスペーサ１０を介して断熱材によって構成された板状の下地材１１が張設されている。下地材１１の外周にはコーキング材１２が施されている。   The wall housing 1 having the solar heat collecting wall structure A is provided with an upper window sash a and a lower window sash b, a window base 4 supporting the lower frame a1 of the upper window sash a, and a lower window sash b. A lintel 5 that supports the frame b1, left and right pillars 6, and an inter-post 7 is formed, and an interior material 8 is attached to the indoor side and a heat insulating material 9 is attached to the outer wall side. And the plate-shaped base material 11 comprised with the heat insulating material via the spacer 10 is further extended by the outdoor side of the heat insulating material 9. As shown in FIG. A caulking material 12 is applied to the outer periphery of the base material 11.

下地材１１上には枠組みしたスパンドレル２が固定されている。スパンドレル２は図５に示すように熱伝導性のよいアルミニウムの押出型材からなる複数のスパンドレルパネル２ａを横方向に並べて連結したもので、各スパンドレルパネル２ａは凸部１３と凹部１４とが連続する角波形に形成され、一側の凸部１３の基部は内側に折り曲げられて固定縁１５を形成し、また他側には係合縁１６が形成されている。固定縁１５と係合縁１６とは下地材１１に当接可能に形成されている。また、固定縁１５の基部には係合縁１６の端部が係合可能なＬ形係合溝１７が形成されている。さらに、外方に突出する凸部１３の背面側には複数のリブ状放熱フィン１８が平行に形成されている。なお、スパンドレル２は日射吸収率のよいブラック、ブラウン、ネイビー、ダークブラウン、ダークグレー等の色に着色表面処理するのが好ましく、また、その表面に選択吸収材膜の処理を施せば、より太陽光を効率良く利用することができる。   A framed spandrel 2 is fixed on the base material 11. As shown in FIG. 5, the spandrel 2 is formed by connecting a plurality of spandrel panels 2a made of extruded aluminum material having good thermal conductivity in a horizontal direction, and each spandrel panel 2a has a convex portion 13 and a concave portion 14 continuous. The base portion of the convex portion 13 on one side is bent inward to form a fixed edge 15, and an engaging edge 16 is formed on the other side. The fixed edge 15 and the engaging edge 16 are formed so as to be able to contact the base material 11. In addition, an L-shaped engagement groove 17 in which the end of the engagement edge 16 can be engaged is formed at the base of the fixed edge 15. Further, a plurality of rib-shaped heat radiating fins 18 are formed in parallel on the back side of the convex portion 13 protruding outward. The spandrel 2 is preferably surface-treated with black, brown, navy, dark brown, dark gray or the like having a good solar absorption rate. If the surface of the spandrel 2 is treated with a selective absorbent film, more sunlight is applied. Can be used efficiently.

次に、スパンドレル２は、アルミニウムの押出型材製の上枠２１と下枠２２と左右の縦枠２３とによって構成された枠体２０によって枠組みされている。上枠２１は下地材１１の表面に当接される固定縁１５の上部に中空の水切り部２４を、下部には下向きに開口する嵌合溝２５を有する取付縁２６をそれぞれ設けたものである。これに対し、下枠２２は下地材１１の表面に当接される固定縁１９の下部に中空の水切り部２４を、上部には上向きに開口する嵌合溝２５を有する取付縁２６をそれぞれ設けたものである。さらに、縦枠２３は下地材１１の表面に当接される固定縁１９の外側に見切り縁２７を、内側にＬ字形の押え縁２８をそれぞれ設けたものである。なお、下枠２２には一定の間隔をおいて複数の空気導入口３０が形成されている。これらの空気導入口３０のうちどれかは必ずスパンドレル２の凸部１３の内側から空間部Ｓに直接に臨んでいる。   Next, the spandrel 2 is framed by a frame body 20 constituted by an upper frame 21, a lower frame 22, and left and right vertical frames 23 made of an extruded aluminum material. The upper frame 21 is provided with a hollow draining portion 24 at the upper portion of the fixed edge 15 abutting against the surface of the base material 11 and an attachment edge 26 having a fitting groove 25 opening downward at the lower portion. . On the other hand, the lower frame 22 is provided with a hollow draining portion 24 at the lower portion of the fixed edge 19 abutting against the surface of the base material 11 and an attachment edge 26 having a fitting groove 25 opening upward at the upper portion. It is a thing. Further, the vertical frame 23 is provided with a parting edge 27 on the outer side of the fixed edge 19 in contact with the surface of the base material 11 and an L-shaped presser edge 28 on the inner side. Note that a plurality of air inlets 30 are formed in the lower frame 22 at regular intervals. Any one of these air inlets 30 always faces the space S directly from the inside of the convex portion 13 of the spandrel 2.

そして、スパンドレル２は、図５に示されるように、隣り合うスパンドレルパネル２ａの一方の係合縁１６の端部を他方のＬ形係合溝１７に係合して面方向に並べ、全てのスパンドレルパネル２ａを横切るように中空の桟材３１にビスでスパンドレルパネル２ａの固定縁１５を固定するとともに、各スパンドレルパネル２ａの下端と上端をそれぞれ下枠２２の嵌合溝２５と上枠２１の嵌合溝２５に嵌合して背面側からビスで止め、さらに左右両端のスパンドレルパネル２ａの側端部を縦枠２３の押え縁２８で押えることによって枠組みされている。   Then, as shown in FIG. 5, the span drel 2 is arranged in the surface direction by engaging the end of one engagement edge 16 of the adjacent span drel panel 2 a with the other L-shaped engagement groove 17. The fixing edge 15 of the spandrel panel 2a is fixed to the hollow crosspiece 31 with a screw so as to cross the spandrel panel 2a, and the lower end and the upper end of each spandrel panel 2a are respectively connected to the fitting groove 25 of the lower frame 22 and the upper frame 21. The frame is formed by fitting into the fitting groove 25 and fastening with screws from the back side, and further pressing the side end portions of the left and right spandrel panels 2a with the holding edges 28 of the vertical frame 23.

さらに、下地材１１の上部から壁躯体１を貫通して屋内側に連通する空気通路３が形成され、屋内側にはスパンドレル２の内側空間部Ｓの空気を屋内側に導入する吸気ファン３３が取り付けられている。   Further, an air passage 3 that penetrates through the wall housing 1 from the upper part of the base material 11 and communicates with the indoor side is formed, and an intake fan 33 that introduces the air in the inner space S of the spandrel 2 into the indoor side is formed on the indoor side. It is attached.

上記スパンドレル２を建物の上部窓サッシａと下部窓サッシｂとの間に取り付けるときは、まず壁躯体１の屋外側にスペーサを介して下地材１１をネジ止めし、その周囲をコーキング処理した後、スパンドレル２を設けた枠体２０を下地材１１の上に重ね、枠体２０の固定縁１９から木ネジ３２を挿通して上部窓サッシａの窓台４と下部窓サッシｂのまぐさ５に止着固定すればよい。   When the spandrel 2 is attached between the upper window sash a and the lower window sash b of the building, first, the base material 11 is screwed to the outdoor side of the wall case 1 through a spacer, and the surroundings are caulked. The frame body 20 provided with the spandrel 2 is overlaid on the base material 11, and the wood screw 32 is inserted from the fixed edge 19 of the frame body 20 to insert the window base 4 of the upper window sash a and the lintel 5 of the lower window sash b. It is only necessary to fasten and fix to.

上記構成により、下地材１１とスパンドレル２との間には空間部Ｓが形成される。また、上記太陽熱集熱壁構造の上端の上枠２１と下端の下枠２２とは、それぞれ上部窓サッシａの下枠２２の直下部と下部窓サッシｂの上枠２１の直上部に配置され、外壁からの出幅も上記下枠２２と上枠２１のそれと同じである。   With the above configuration, a space portion S is formed between the base material 11 and the spandrel 2. Further, the upper frame 21 and the lower frame 22 at the upper end of the solar heat collecting wall structure are respectively disposed immediately below the lower frame 22 of the upper window sash a and directly above the upper frame 21 of the lower window sash b. The protruding width from the outer wall is the same as that of the lower frame 22 and the upper frame 21.

次に、上記太陽熱集熱壁構造の作用について説明する。スパンドレル２に太陽光が直射（散乱光を含む）されると、輻射熱によりスパンドレル２が加熱される。スパンドレル２は角波形に形成されているので表面積が大きく、また凸部１３の背面側には複数のリブ状放熱フィン１８が形成されているので放熱面積が大きい。このため、スパンドレル２の内側空間部Ｓの空気は短時間のうちに暖められて温度が上昇する。外壁とスパンドレル２との間には断熱材が配設されているので、背面の建屋の壁への熱の逃げが防止され、暖気を空間部Ｓ内に暖められたまま閉じこめておくことができる。そこで、吸気ファン３３を作動させると上記空間部Ｓ内の暖気は空気通路３から屋内側に導入される。上記空間部Ｓ内の暖気が屋内側に送られると、下枠２２に形成された空気導入口３０から外気が空間部Ｓ内に供給される。供給された外気はスパンドレル２によって暖められ、暖気となって吸気ファン３３によって強制的に屋内側に送られる。これが連続的に行われて屋内側の空間が暖められる。   Next, the operation of the solar heat collecting wall structure will be described. When sunlight is directly applied to the spandrel 2 (including scattered light), the spandrel 2 is heated by radiant heat. Since the spandrel 2 is formed in an angular waveform, the surface area is large, and since the plurality of rib-shaped heat radiation fins 18 are formed on the back side of the convex portion 13, the heat radiation area is large. For this reason, the air in the inner space S of the spandrel 2 is warmed in a short time and the temperature rises. Since a heat insulating material is disposed between the outer wall and the spandrel 2, heat escape to the wall of the building on the back is prevented, and warm air can be confined while being warmed in the space S. . Therefore, when the intake fan 33 is operated, warm air in the space S is introduced from the air passage 3 to the indoor side. When the warm air in the space S is sent to the indoor side, outside air is supplied into the space S from the air inlet 30 formed in the lower frame 22. The supplied outside air is warmed by the spandrel 2, becomes warm air, and is forcibly sent to the indoor side by the intake fan 33. This is done continuously to warm the indoor space.

上述のように、屋外の新鮮な空気が暖められて屋内側には連続して導入されるので、太陽熱を有効に利用することができ、特に冬季には窓開口部のガラス遮熱の補完効果を期待することができる。   As mentioned above, fresh outdoor air is warmed and continuously introduced into the indoor side, so solar heat can be used effectively, especially in winter, complementing the glass heat insulation at the window opening. Can be expected.

また、スパンドレル２を太陽熱の集熱用のパネルとして直接利用するので、従来のように多数の小孔を形成するという加工が必要がない。さらに、スパンドレル２の内部に雨が進入することがなく、スパンドレル２の外部からガラス板等で覆う必要がない。加えて、枠体２０を構成する下枠２２には、スパンドレル２の内側の空間部Ｓに直接に通じる空気導入口３０が形成されているから、スパンドレル２自体には空気導入口３０を形成するための加工を施す必要がない。したがって、構造が簡単で、製造コストも低く抑えることができる。   Further, since the spandrel 2 is directly used as a solar heat collecting panel, it is not necessary to form a large number of small holes as in the prior art. Furthermore, rain does not enter the inside of the spandrel 2, and it is not necessary to cover the spandrel 2 with a glass plate or the like from the outside. In addition, since the air introduction port 30 that directly communicates with the space portion S inside the spandrel 2 is formed in the lower frame 22 constituting the frame body 20, the air introduction port 30 is formed in the span drel 2 itself. There is no need to perform processing for the purpose. Therefore, the structure is simple and the manufacturing cost can be kept low.

さらに、スパンドレル２は本来外壁材として使用されている部材であるから、これを外壁に取り付けても外観上の違和感はない。しかも、建物の壁躯体１の上下の窓サッシの間のつなぎ部分に設けられているので、上下の窓サッシと一体になって外壁の外観をカーテンウォール調にすることができる。   Furthermore, since the spandrel 2 is a member that is originally used as an outer wall material, there is no sense of discomfort in appearance even if it is attached to the outer wall. And since it is provided in the connection part between the upper and lower window sashes of the wall case 1 of a building, it can unite with the upper and lower window sashes and can make the external appearance of the curtain wall tone.

また、下枠２２の空気導入口３０は下向きに開口しているからスパンドレル２の内側に雨水が入り込む可能性が小さい。雨水が入り込んでも、空気導入口３０から簡単に水抜きすることができる。   In addition, since the air inlet 30 of the lower frame 22 opens downward, there is a low possibility that rainwater will enter the inside of the span drel 2. Even if rainwater enters, water can be easily drained from the air inlet 30.

さらにまた、枠体２０を構成する下枠２２と上枠２１はスパンドレル２の上端と下端とを嵌合するが、同時に水切り部２４が形成されているので、水切り材を兼用することができ、枠体２０自体が水切り効果を有することになり、スパンドレル２内に雨水が入り込みにくいので、装置全体が腐食しにくく、耐久性が向上する。   Furthermore, the lower frame 22 and the upper frame 21 constituting the frame body 20 fit the upper end and the lower end of the spandrel 2, but since the draining portion 24 is formed at the same time, the draining material can also be used, Since the frame body 20 itself has a draining effect and rainwater does not easily enter the spandrel 2, the entire apparatus is hardly corroded and durability is improved.

なお、スパンドレル２として角波板を用いたので、そのリブ効果によって表面の全体強度が高められるとともに、表面積が大きくなって集熱効率が良い。しかし、その断面形状に特に制限はなく、金属製の外装材であればよく、通常の波板状折板を使用することもできる。   In addition, since the corrugated plate is used as the spandrel 2, the overall strength of the surface is increased by the rib effect, and the surface area is increased to improve the heat collection efficiency. However, the cross-sectional shape is not particularly limited, and any metal exterior material may be used, and a normal corrugated folded plate may be used.

また、上述のスパンドレル２は四方を上下枠と縦枠とによって枠組みしているが、必ずしもスパンドレルの四方を枠で組む必要はない。上記実施形態に示すような上下枠だけでもよい。したがって、空間部Ｓも必ずしもスパンドレルの枠によって形成されている必要はない。   Further, although the above-described spandrel 2 is framed on the four sides by the upper and lower frames and the vertical frame, it is not always necessary to assemble the four sides of the spandrel with the frame. Only the upper and lower frames as shown in the above embodiment may be used. Therefore, the space S is not necessarily formed by the spandrel frame.

さらに、空気導入口３０は下枠２２の取付縁２６の底部ではなく、下枠２２の嵌合溝２５を構成する立上り片とスパンドレル２に貫通形成してもよく、スパンドレル２の下枠２２の上部に形成してもよい。   Further, the air inlet 30 may be formed not through the bottom of the mounting edge 26 of the lower frame 22 but through the rising piece constituting the fitting groove 25 of the lower frame 22 and the span drel 2. You may form in upper part.

これに関連し、外気をスパンドレル内に取り入れる導入口は必ずしもスパンドレルの下端部に設ける必要はない。スパンドレルの上端部に設ける構成であってもよい。また、その場合空気通路３の形成位置は、空間部Ｓの上部に限定されない。   In this connection, the introduction port for taking outside air into the spandrel is not necessarily provided at the lower end of the spandrel. The structure provided in the upper end part of a spandrel may be sufficient. In this case, the formation position of the air passage 3 is not limited to the upper part of the space S.

また、スパンドレルパネルの断面形状も図３に示されたものに限定されない。例えば、図６に示された構造のものであってもよい。このスパンドレルパネル２ａは凸部１３と凹部１４とが傾斜面３４を共有して連続するもので、凹部１４の両側の傾斜面３４がなす角度αは６０度に設定されている。これによれば、太陽が高い位置にある間は影になる部分がなく、太陽光が凹部１４の深くまで直射できるので、日射効率が向上する。   Further, the cross-sectional shape of the spandrel panel is not limited to that shown in FIG. For example, the structure shown in FIG. 6 may be used. In the spandrel panel 2a, the convex portion 13 and the concave portion 14 are continuous with the inclined surface 34, and the angle α formed by the inclined surfaces 34 on both sides of the concave portion 14 is set to 60 degrees. According to this, since there is no part which becomes a shadow while the sun is in a high position, sunlight can shine directly to the deep part of the recessed part 14, so that the solar radiation efficiency is improved.

さらにまた、太陽熱集熱壁構造は左右の窓サッシの間に配設する構成であってもよい。   Furthermore, the solar heat collecting wall structure may be arranged between the left and right window sashes.

本発明に係る太陽熱集熱壁構造を備えた建物の斜視図The perspective view of the building provided with the solar heat collecting wall structure concerning this invention 図１の太陽熱集熱壁構造の拡大縦断面図1 is an enlarged vertical sectional view of the solar heat collecting wall structure of FIG. 上記太陽熱集熱壁構造の拡大横断面図Expanded cross-sectional view of the solar heat collecting wall structure 図２の要部の拡大図Enlarged view of the main part of FIG. スパンドレルパネルの連結態様説明図Spandrel panel connection mode illustration 別の形態のスパンドレルパネルの連結態様説明図Explanatory drawing of connection mode of spandrel panel of another form

Ｓ 空間部
１ 壁躯体
２ スパンドレル
３ 空気通路 S space part 1 wall frame 2 spandrel 3 air passage

Claims (1)

建物の壁躯体の外壁に断熱性を有する下地材を介してアルミニウムの押出型材からなるスパンドレルを配置固定するとともに、外壁とスパンドレルとの間に空間部を形成し、上記スパンドレルの端部から上記空間部内に取り入れた外気を太陽熱で加熱されたスパンドレルによって昇温させ、上記空間部内の空気を上記壁躯体に形成した空気通路から屋内に導入するものであり、
上記空気通路の屋内側には吸気ファンが設けられ、
上記スパンドレルは、着色表面処理又は選択吸収材膜処理の少なくともいずれかを施したものであり、
上記スパンドレルの背面側には放熱フィンが形成され、
上記スパンドレルの上下端は、上枠と下枠とによって固定されるものであり、上記上枠と下枠には水切り部と嵌合溝が形成され、上記スパンドレルの上端と下端は、上記嵌合溝に嵌合され、
上記下枠には、上記空間部に通じる空気導入口が形成されていることを特徴とする太陽熱集熱壁構造。 A spandrel made of an extruded aluminum material is disposed and fixed on the outer wall of the building wall frame with a base material having heat insulation properties, and a space is formed between the outer wall and the spandrel, and the space is formed from the end of the spandrel. The outside air taken in the part is heated by a spandrel heated by solar heat, and the air in the space part is introduced indoors from the air passage formed in the wall frame ,
An intake fan is provided on the indoor side of the air passage,
The spandrel is subjected to at least one of a colored surface treatment or a selective absorbent film treatment,
Radiating fins are formed on the back side of the spandrel,
The upper and lower ends of the spandrel are fixed by an upper frame and a lower frame, and a draining portion and a fitting groove are formed in the upper frame and the lower frame. Fitted into the groove,
The solar heat collecting wall structure , wherein the lower frame is formed with an air inlet that leads to the space .
JP2007087575A 2007-03-29 2007-03-29 Solar heat collecting wall structure Expired - Fee Related JP4829160B2 (en)

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