JP2017025510A - 太陽電池モジュールを搭載した建物 - Google Patents
太陽電池モジュールを搭載した建物 Download PDFInfo
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- JP2017025510A JP2017025510A JP2015142916A JP2015142916A JP2017025510A JP 2017025510 A JP2017025510 A JP 2017025510A JP 2015142916 A JP2015142916 A JP 2015142916A JP 2015142916 A JP2015142916 A JP 2015142916A JP 2017025510 A JP2017025510 A JP 2017025510A
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- Prior art keywords
- space
- building
- solar cell
- cell module
- sealing member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Abstract
Description
項1.太陽電池モジュールの電気配線を建物の内部空間から屋上へつなぐ貫通空間を有し、太陽電池モジュールを屋根構造に搭載した建物において、
(a)前記太陽電池モジュールの電気配線から貫通空間までの間の屋外の空間、(b)貫通空間、(c)建物の内部空間から貫通空間までの間の屋内の空間、のうちの少なくとも一つの少なくとも一部を覆う熱膨張性黒鉛を含有する耐火性材料からなる封止部材を有する太陽電池を搭載した建物。
項2.前記封止部材は加熱時に膨張して、貫通空間を封止するか、または貫通空間に隣接する屋外の空間および屋内の空間の少なくとも一方において貫通空間の端部を封止するか、またはそれらの両方である項1に記載の建物。
項3.前記封止部材は前記貫通空間内に配置されている項1または2に記載の建物。
項4.前記封止部材は電気配線の周囲を覆うように配置されている項1〜3のいずれか一項に記載の建物。
項5.建物の屋根構造に搭載された太陽電池モジュールの電気配線への延焼を遅らせる方法であって、建物は太陽電池モジュールの電気配線を建物の内部空間から屋上へつなぐ貫通空間を有し、
熱膨張性黒鉛を含有する耐火性材料からなる封止部材を、(a)前記太陽電池モジュールの電気配線から貫通空間までの間の屋外の空間、(b)貫通空間、および(c)建物の内部空間から貫通空間までの間の屋内の空間、のうちの少なくとも一つの少なくとも一部に配置することからなる方法。
本発明を木造家屋の屋根構造に具体化した第一実施形態について図1および図2に従って説明する。
次に、本発明の屋根構造の第二実施形態について図3に従って説明する。なお、第一実施形態と同じ部材については説明を省略する。
○図4に示すように、図2の第一実施形態で封止部材10が垂直壁9の屋根構造部分9aに配置される代わりに、封止部材10は電気配線5に貼り付けられていてもよい。この場合でも、火災時の加熱により封止部材10が貫通空間8の断面を少なくとも部分的に埋めることで、屋内から発生した火が貫通空間8を通って電気配線5へ到達するのを遅らせることができる。
○図5に示すように、図2の第一実施形態で貫通空間8が天井11の上の屋根裏6に通じるように設けられる代わりに、貫通空間8は天井11よりも下の垂直壁9の部分(例えば戸建ての場合、2階の壁等)に設けられていてもよい。この場合、電気配線5は、貫通空間8を通り、天井11よりも下の建物1の内部空間13まで延びる。
孔8a、孔8b、および空間8cの周囲において熱膨張性黒鉛を含有する耐火性材料からなる封止部材10を垂直壁9に貼付する。封止部材10は加熱時に膨張して、2つの垂直壁9の間に形成された空間12を封止する。加熱により封止部材10が空間12の断面を少なくとも部分的に、好ましくは完全に埋めることで、屋内から発生した火が貫通空間8を通って電気配線5へ到達するのを遅らせることができる。このため、簡便な構成で消防作業員等の作業者の感電の危険性を下げることができる。このような別例の屋根構造2の構成でも、図2に示した第一実施形態と同様の効果を奏する。
○図7に示すように、封止部材10の代わりに、太陽電池モジュール4の電気配線5から貫通空間8までの間の屋外の空間に、熱膨張性黒鉛を含有する耐火性材料からなる封止部材10aを配置してもよい。封止部材10aの組成は封止部材10に説明した通りである。好ましくは、封止部材10aを、貫通空間8に隣接する屋外の空間に配置する。封止部材10aを外側の垂直壁9に接して貼付し、加熱時に膨張して貫通空間8の端部において貫通空間8の断面を少なくとも部分的に、好ましくは完全に側方から封止するようにすれば、延焼防止の効果に優れ、屋内から発生した火が貫通空間8を通って電気配線5へ到達するのを遅らせることができる。
○図2に示した第一実施形態、図3に示した第二実施例、図4に示した別例、図5に示した別例または図6に示した別例と、図7に示した別例とが組み合わされてもよい。つまり、封止部材10,10a,10bは同一または異なる組成とし、連続的にまたは不連続に(a)太陽電池モジュール4の電気配線5から貫通空間8までの間の屋外の空間、(b)貫通空間8、(c)内部空間13から貫通空間8までの間の屋内の空間、のうちの少なくとも一つに設けてもよい。
○図1では建物として木造家屋1を示したが、本発明の屋根構造は、コンクリートの建物等、任意の建物の屋根構造であってよい。
○貫通空間8を設ける位置は、垂直壁9(図2,図5)と屋根3(図3)に設けた例を示したが、これらに限定されず、屋根構造の任意の位置に設けてもよい。
Claims (5)
- 太陽電池モジュールの電気配線を建物の内部空間から屋上へつなぐ貫通空間を有し、太陽電池モジュールを屋根構造に搭載した建物において、
(a)前記太陽電池モジュールの電気配線から貫通空間までの間の屋外の空間、(b)貫通空間、(c)建物の内部空間から貫通空間までの間の屋内の空間、のうちの少なくとも一つの少なくとも一部を覆う熱膨張性黒鉛を含有する耐火性材料からなる封止部材を有する太陽電池を搭載した建物。 - 前記封止部材は加熱時に膨張して、貫通空間を封止するか、または貫通空間に隣接する屋外の空間および屋内の空間の少なくとも一方において貫通空間の端部を封止するか、またはそれらの両方である請求項1に記載の建物。
- 前記封止部材は前記貫通空間内に配置されている請求項1または2に記載の建物。
- 前記封止部材は電気配線の周囲を覆うように配置されている請求項1〜3のいずれか一項に記載の建物。
- 建物の屋根構造に搭載された太陽電池モジュールの電気配線への延焼を遅らせる方法であって、建物は太陽電池モジュールの電気配線を建物の内部空間から屋上へつなぐ貫通空間を有し、
熱膨張性黒鉛を含有する耐火性材料からなる封止部材を、(a)前記太陽電池モジュールの電気配線から貫通空間までの間の屋外の空間、(b)貫通空間、および(c)建物の内部空間から貫通空間までの間の屋内の空間、のうちの少なくとも一つの少なくとも一部に配置することからなる方法。
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