JP3787395B2 - Solar panel and roof structure - Google Patents

Solar panel and roof structure Download PDF

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Publication number
JP3787395B2
JP3787395B2 JP20372196A JP20372196A JP3787395B2 JP 3787395 B2 JP3787395 B2 JP 3787395B2 JP 20372196 A JP20372196 A JP 20372196A JP 20372196 A JP20372196 A JP 20372196A JP 3787395 B2 JP3787395 B2 JP 3787395B2
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Prior art keywords
solar cell
panel
substrate
negative electrode
roof
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JPH1046772A (en
Inventor
修 石川
浩文 井田
則和 坂井
弘道 黒田
直子 大矢
唯男 笠原
明雄 笠原
政雄 下里
文紀 山口
賢吾 若林
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Misawa Homes Co Ltd
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Misawa Homes Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S25/67Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for coupling adjacent modules or their peripheral frames
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/20Peripheral frames for modules
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00Solar heat collectors specially adapted for particular uses or environments
    • F24S20/60Solar heat collectors integrated in fixed constructions, e.g. in buildings
    • F24S20/67Solar heat collectors integrated in fixed constructions, e.g. in buildings in the form of roof constructions
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/47Mountings or tracking

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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)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Photovoltaic Devices (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、太陽電池パネルおよびその太陽電池パネルを利用した屋根構造体に関する。
【0002】
【背景技術】
従来より、建物の屋根等には、太陽エネルギーを電気として有効利用するために太陽電池が設けられることがある。
このような太陽電池を備えた屋根として、本出願人は、所定数のソーラーセルが収められた防水ケース周縁に縦枠および横枠を取り付けた太陽電池パネルを用い、屋根の傾斜に沿って固定されたレール状の支持部材に太陽電池パネルの縦枠を支持させる構造を提案した(特開平7-180310号公報、特開平8-13725号公報)。
【0003】
このタイプの太陽電池パネルは大きな電力を確保するために、屋根傾斜面に複数並べて配置される。
これらの太陽電池パネルは、個々にレール状の支持部材にボルト等を利用して固定され、かつ、これらの間にはウレタンフォーム等からなる可撓性のシール部材が介装されている。
【0004】
しかも、複数の太陽電池パネルを直列に電気接続するため、個々の太陽電池パネルは、それぞれ正の電極および負の電極を有し、互いに隣り合う太陽電池パネルの正の電極と負の電極とを電気的に接続しなければならない、
これらの電極の接続に際して、従来では、各電極にリード線を接続し、これらのリード線を太陽電池パネルの裏側で互いに接続していた。
【0005】
【発明が解決しようとする課題】
しかし、これらの太陽電池パネルは個々にレール状支持部材に対して位置決めしボルト止めしなければならないので、太陽電池パネル同士の連結作業が煩雑であるという問題がある。すなわち、1個の太陽電池パネルを取り付けた後、続けて新しい太陽電池パネルを取り付ける際、両者は可撓性のシール部材で介装されているだけなので、新しい太陽電池パネルは既に取り付けられた太陽電池パネルに対して、ずれることがあり、パネル同士の位置決めが容易ではない。
【0006】
その上、電極同士の接続はリード線を介して行われており、これらのリード線の接続作業は太陽電池パネルの裏面側で行われるため、その作業が煩雑である。特に、リード線同士の接続を間違えないようにするため、接続作業は慎重にならざるを得ない。
そのため、従来例では、太陽電池パネル同士の連結作業ならびに電気的接続作業において、施工が煩雑であるという問題点がある。
【0007】
本発明の目的は、容易に施工できる太陽電池パネルおよび屋根構造体を提供することにある。
【0008】
【課題を解決するための手段】
そのため、本発明は太陽電池パネルの互いに対向するフレームに延出部をそれぞれ形成し、これらの延出部に互いに嵌合可能な一対の電極を設けて前記目的を達成しようとするものである。
具体的には、本発明の太陽電池パネルは、図面を参照して説明すると、屋根傾斜面に複数並べて配置され、かつ、それぞれ正の電極22と負の電極23とが設けられた太陽電池パネル11であって、光エネルギを電気エネルギに変換するパネル本体13と、このパネル本体13を挟んで互いに対向配置されたフレーム14とを備え、このフレーム14の一方17にパネル本体13の裏面側から外側に延出した第1延出部20を形成し、フレーム14の他方16にパネル本体13の表面側から外側に延出した第2延出部21を形成し、第1延出部20に正の電極22および前記負の電極23のいずれか一方を設け、第2延出部21に正の電極22および前記負の電極23のいずれか他方を設け、これらの電極22,23を互いに嵌合可能な形状を有し、第1延出部20はパネル本体13の表面側に開口し内部に正の電極22および負の電極23のいずれか一方が設けられた開口部20Aを有し、第2延出部21はパネル本体13の裏面側に開口し内部に正の電極22および負の電極23のいずれか他方が設けられた開口部21Aを有し、電極の一方は筒状体であり、前記電極の他方は円柱体であることを特徴とする。
【0009】
本発明では、屋根傾斜面に沿って複数の太陽電池パネル11を一列に並べるが、隣り合う太陽電池パネル11の第1延出部20と第2延出部21とを重合させ、かつ、電極22,23同士を嵌合する。
隣り合う太陽電池パネル11の電極22,23同士を嵌合することにより、隣り合う太陽電池パネル11同士の位置決めが行えることになり、しかも、これらのパネル11の電気的な接続がリード線を用いることなく、簡単に行える。
従って、本発明では、太陽電池パネル11同士の連結作業並びに配線作業が容易であり、簡単な作業で太陽電池パネルを施工することができる。
しかも、前記第1延出部20は前記パネル本体13の表面側に開口し内部に前記正の電極22および前記負の電極23のいずれか一方が設けられた開口部20Aを有し、前記第2延出部21は前記パネル本体13の裏面側に開口し内部に前記正の電極22および前記負の電極23のいずれか他方が設けられた開口部21Aを有するから、互いに嵌合する正負の電極22 , 23が第1延出部20と第2延出部21とで覆われることになるため、電極22 , 23の防水処理を確実かつ簡易なものにできる。
【0010】
ここで、本発明では、前記パネル本体13は、少なくともいずれか一方が透光性を有する第一の基板25および第二の基板26と、これらの第一の基板25および第二の基板26の対向面のうちいずれか一方に設けられた薄膜太陽電池層27とを有する構造でもよい。
この構造では、第一の基板25および第二の基板26を重ねてパネル本体13を構成したので、パネル本体13の強度を向上できるようになる。
その上、薄膜太陽電池27を基板25,26に直接形成するので、パネル本体13を簡単かつ低コストに形成できる。
【0012】
上、本発明では、前記構成の太陽電池パネル11を屋根下地材1の上に少なくとも一方向に複数並べて配置し、隣り合う太陽電池パネル11の第1延出部20と第2延出部21とを互いに重合するとともに、正負の電極22,23を互いに嵌合して屋根構造体10を施工する。
【0013】
【発明の実施の形態】
以下、本発明の一実施形態を図面に基づいて説明する。
図1には、本実施形態の屋根構造体10が適用された建物の全体構成が示されている。
この屋根構造体10は、屋根傾斜面に沿って上下左右に複数配置された太陽電池パネル11と、これらの太陽電池パネル11の左右の間に介装された乾式シール部材12とを備えた切妻屋根である。
乾式シール部材12は、エラストマからなり、例えば、EPDM(エチレン−プロピレン−ジエン三元共重合体配合物)、ブチルゴム、建築資材として使用されているゴム、シリコンを含むエラストマ等より線状に形成される。
【0014】
屋根構造体10の縦断面構造が図2に示されている。
図2において、傾斜して設けられた屋根下地材1にルーフィング2が張られ、このルーフィング2の上に屋根傾斜方向に沿ってレール部材3が取り付けられている。このレール部材3の上に屋根構造体10が図示しないボルト等で取り付けられている。
なお、本実施形態では、太陽電池パネル11が屋根下地材1に直接ボルト等で固定されているものでもよく、あるいは、屋根材の上のレール部材に固定された構造でもよい。
【0015】
太陽電池パネル11の詳細な構造が図3および図4に示されている。
これらの図において、太陽電池パネル11は、光エネルギを電気エネルギに変換する平面矩形状のパネル本体13がフレーム14に取り付けられた構造である。
このフレーム14は、パネル本体13の下面を支持する底板部15と、このパネル本体13を挟んで上下に互いに対向配置された上枠部16および下枠部17と、これらの上枠部16,17に直交配置されパネル本体13を挟んで左右に互いに対向配置された右枠部18および左枠部19とを備えた構造である。
【0016】
これらの底板部15および枠部16〜19に囲まれて凹みが形成され、この凹みにパネル本体13が収納された状態では、各枠部16〜19およびパネル本体13の上面は略同一高さとなる。
本実施形態では、これらの底板部15および枠部16〜19は、アルミ、ステンレス、その他の耐火性、耐水性および耐久性を有する材料から別体に形成され、これらを溶接等で互いに固定した構造でもよく、あるいは、一体に形成した構造でもよい。
【0017】
フレーム14の下枠部17にはパネル本体13の裏面側から外側に延出した第1延出部20が形成され、上枠部16にはパネル本体13の表面側から外側に延出した第2延出部21が形成されている。
隣り合う太陽電池パネル11の第1延出部20と第2延出部21とは重合可能であり、これらが重合された状態では、各太陽電池パネル11は略同一高さとなる(図2参照)。
【0018】
第1延出部20はパネル本体13の表面側に側面コ字形に開口した開口部20Aを有し、この開口部20Aは左右方向に延びて連続形成されている。
開口部20Aの底部には正の電極22が互いに所定間隔離れて複数個(図では2個)立設されている。
第2延出部21はパネル本体13の裏面側に側面コ字形に開口した開口部21Aと隣り合う太陽電池パネル11の第1延出部20の端部を嵌合する嵌合溝21Bとを有し、この開口部21Aは左右方向に延びて連続形成されている。
開口部21Aの上部には負の電極23が互いに所定間隔離れて下向きに正の電極22と同じ数だけ設けられている。
【0019】
正の電極22は、雌型係合部を構成するものであり、略円筒状に形成されている。
負の電極23は、雄型係合部を構成するものであり、正の電極22と嵌合可能な円柱状に形成されている。
隣り合う太陽電池パネル11の第1延出部20と第2延出部21とが重合される状態では、これらの電極22,23はこれらの延出部20,21で囲われる。
【0020】
屋根下地材1の上に配置される最下列の太陽電池パネル11では、第1延出部20が露出されるため、この第1延出部20にキャップ部材24が取り付けられている(図1参照)。
正の電極22および負の電極23とパネル本体13との電気的な接続は、適宜な手段、たとえば、図示しないリード線で行ってもよい。
【0021】
パネル本体13は、図4に示される通り、透光性を有する第一の基板25および第二の基板26と、第一の基板25の第二の基板26との対向面に設けられた薄膜太陽電池層27とを備えた板状部材である。なお、図4ではパネル本体13の構造をわかりやすくするため、その厚さ寸法を厚くしている。
【0022】
第一の基板25および第二の基板26は、矩形かつ略同じ大きさの平面形状を有し、ガラスやアクリル樹脂等の透光性を有する材料により形成されている。
第一の基板25に設けられた薄膜太陽電池層27は、例えば、気相成長により第1の基板25に直接形成されたアモルファスSiおよび電極を含んで構成されている。
【0023】
これらの第一の基板25および第二の基板26の間には透光性を有する合成樹脂充填材28が介装されている。
合成樹脂充填材28は、EVA(Ethylene Vinylacetate)やPVB(Poly Vinylbutylol)等の透明な合成樹脂よりなる。第一の基板25と第二の基板26とは、この合成樹脂充填材28を接着層として互いに接合されている。
基板25,26同士の接着は、合成樹脂充填材28を挟み込んだ状態で熱および圧力を加えることにより行われる。
【0024】
このように構成された本実施形態においては、フレーム14を加工するとともに、このフレーム14の凹みにパネル本体13を嵌め込んで太陽電池パネル11を製造する。
この太陽電池パネル11を屋根下地材1のルーフィング2の上に上下左右に並べて配置し、さらに、これらの太陽電池パネル11の間に乾式シール部材12を屋根傾斜方向に沿って配置して屋根構造体10を施工する。
【0025】
すなわち、屋根下地材1のレール部材3上に最初の太陽電池パネル11を取り付け、その太陽電池パネル11の下側(屋根傾斜方向)に太陽電池パネル11を取り付ける。この場合、既に取り付けられた太陽電池パネル11の第1延出部20の上から新たに取り付ける太陽電池パネル11の第2延出部21を押しつけて両者を重合する。この重合に伴って、正の電極22と負の電極23とが嵌合されるとともに、両パネル11の相対位置が固定される。
同様の手順で残りの太陽電池パネル11を並べて取り付ける。これらの太陽電池パネル11の全てあるいは一部をレール部材3にボルト等で固定する。
なお、太陽電池パネル11の施工は工場で行ってもよく、建設現場で行ってもよい。
【0026】
このような本実施形態によれば、以下のような効果がある。
すなわち、光エネルギを電気エネルギに変換するパネル本体13と、このパネル本体13を挟んで互いに対向配置されたフレーム14とを備え、このフレーム14の一方17にパネル本体13の裏面側から外側に延出した第1延出部20を形成し、フレーム14の他方16にパネル本体13の表面側から外側に延出した第2延出部21を形成し、第1延出部20に正の電極22を設け、第2延出部21に負の電極23を設け、これらの電極22,23を互いに嵌合可能な形状としたから、隣り合う太陽電池パネル11の電極22,23同士を嵌合することにより、隣り合う太陽電池パネル11同士の位置決めが行えることになり、これらのパネル11の電気的な接続がリード線を用いることなく、簡単に行える。
【0027】
また、第一の基板25および第二の基板26を重ねてパネル本体13を構成したので、パネル本体13の強度を向上できるようになる。
しかも、薄膜太陽電池層27を第1の基板25に直接形成するので、パネル本体13を簡単かつ低コストに形成できる。
【0028】
さらに、第一の基板25および第二の基板26の間には透光性を有する合成樹脂充填材28が介装されているので、薄膜太陽電池層27への光の入射を妨げることなく第一の基板25および第二の基板26を簡単に接着できる。
また、基板25,26が割れても飛散することがなくなるため、隣家への延焼を防止できるようになり、太陽電池パネル11を配列するだけで防火性能が得られる。
【0029】
さらにまた、フレーム14を耐火性、耐水性および耐久性に優れた材質から構成したから、太陽電池パネル11を優れた屋根材として使用できる。
さらに、左右方向に隣り合う太陽電池パネル11の間に、乾式シール部材12を介装したから、延出部20,21を設けていない側面の防水処理を確実なものにできる。
【0030】
また、隣り合う太陽電池パネル11の第1延出部20と第2延出部21とが重合された状態では、各太陽電池パネル11は略同一高さとなるようにしたから、太陽電池パネル11を屋根下地材1に複数並べた状態では、屋根を構成する太陽電池パネル11の屋根下地材1からの高さ寸法が同じになり、パネル11同士の継ぎ目に段差がなくなり、この継ぎ目にゴミ等が溜まることがない。
【0031】
また、第1延出部20はパネル本体13の表面側に開口し内部に正の電極22が設けられた開口部12Aを有し、第2延出部21はパネル本体13の裏面側に開口し内部に負の電極23が設けられた開口部21Aを有する構造としたから、互いに嵌合する正負の電極22,23が第1延出部20と第2延出部21とで覆われることになるため、電極22,23の防水処理を確実かつ簡易になものにできる。
さらに、正の電極22は雌型係合部を有し、負の電極23は雄型係合部を有する構造としたから、電極22,23自体の構造を簡易なものにできる。
【0032】
なお、本発明は前記実施形態に限定されるものではなく、本発明の目的を達成できる他の構成等を含み、以下に示すような変形等も本発明に含まれる。
例えば、前記実施形態では、第一の基板25および第二の基板26を重ねてパネル本体13を構成したが、本発明のパネル本体13は前記実施形態の構造に限定されるものではなく、太陽光を電気エネルギに変換できる構造のものは全て含まれる。
【0033】
つまり、本発明のパネル本体は、所定数のソーラーセルが収められた防水ケース周縁に縦枠および横枠を取り付けた構造でもよい。
仮に、第一および第2の基板を備えて太陽電池パネルを構成する場合であっても、ルーフィング2側に配置される第二の基板26の材質は透光性を有するものでなくてもよく、例えば、金属や合成樹脂等により形成されていてもよい。要するに、受光する側の基板が透光性を備えていれば、光を直接受けない側の基板の材質は任意である。光を直接受けない側の基板の材質をガラス以外の適宜なものにすることにより、太陽電池パネルの強度を大きなものにできる。
さらに、基板25,26の大きさや厚さはとくには限定されず、例えば、第一の基板25と第二の基板26とで厚さが異なっていてもよい。しかし、第一の基板25および第二の基板26に同じものを用いれば、製造コストを低減できる。
【0034】
また、左右方向に隣り合う太陽電池パネル11の間に、可撓性を有する乾式シール部材12を必ずしも介装することを要しない。例えば、太陽電池パネル11の右枠部18および左枠部19に第1延出部20および第2延出部21を形成する構造でもよい。
さらに、 隣り合う太陽電池パネル11の第1延出部20と第2延出部21とが重合された状態では、各太陽電池パネル11の高さ寸法は相違するものでもよい。
【0035】
また、前記実施形態では、正の電極22が雌型係合部を構成し、負の電極23が雄型係合部を構成したが、本発明では、この逆、つまり、正の電極22が雄型係合部を構成し、負の電極23が雌型係合部を構成するものでもよく、さらには、第1延出部20に負の電極23を設け、第2延出部22に正の電極23を設けるものでもよい。
さらに、雄型係合部を円柱状部材とし、雌型係合部を円筒状部材としたが、雄型係合部を断面矩形状のレール状部材とし、雌型係合部を断面矩形状のレール状部材に嵌合する溝を有する断面コ字状のレール部材としてもよい。
また、両電極22,23を第1の延出部20と第2の延出部21とで囲うことを必ずしも要しない。
【0036】
そして、屋根構造体10は、屋根パネルに限らず、屋根ユニットであってもよく、垂木に固定される在来工法の屋根部であってもよく、本発明は、建物の屋根を構成する構造体であれば任意のものに適用できる。
さらに、屋根の形態は切妻屋根に限定されるものではなく、寄せ棟屋根等の種々のタイプの屋根に本発明を適用することができる。
【0037】
【発明の効果】
以上に述べたように、本発明によれば、光エネルギを電気エネルギに変換するパネル本体と、このパネル本体を挟んで互いに対向配置されたフレームとを備え、このフレームの一方にパネル本体の裏面側から外側に延出した第1延出部を形成し、フレームの他方にパネル本体の表面側から外側に延出した第2延出部を形成し、第1延出部に正の電極および負の電極のいずれか一方を設け、第2延出部に正の電極および負の電極いずれか他方を設け、これらの電極を互いに嵌合可能な形状としたから、隣り合う太陽電池パネルの電極同士を嵌合することにより、隣り合う太陽電池パネル同士の位置決めが行えることになり、これらのパネルの連結作業が容易に行え、その上、リード線を用いることなく電気的な接続作業が簡単に行える。そのため、太陽電池パネルの施工が容易である。
【図面の簡単な説明】
【図1】本発明の一実施形態の屋根構造体が適用された建物の全体構成を示す斜視図である。
【図2】前記屋根構造体の縦断面図である。
【図3】太陽電池パネルの斜視図である。
【図4】太陽電池パネルの断面図である。
【符号の説明】
1 屋根下地材
10 屋根構造体
11 太陽電池パネル
13 パネル本体
14 フレーム
16 フレームの他方
17 フレームの一方
20 第1延出部
21 第2延出部
22 正の電極
23 負の電極
25 第一の基板
26 第二の基板
27 薄膜太陽電池層
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a solar cell panel and a roof structure using the solar cell panel.
[0002]
[Background]
Conventionally, a solar cell may be provided on a roof of a building or the like in order to effectively use solar energy as electricity.
As a roof with such a solar cell, the present applicant uses a solar cell panel in which a vertical frame and a horizontal frame are attached to the periphery of a waterproof case containing a predetermined number of solar cells, and is fixed along the inclination of the roof. A structure has been proposed in which the vertical frame of the solar cell panel is supported by the rail-like support member (Japanese Patent Laid-Open Nos. 7-1381010 and 8-13725).
[0003]
A plurality of solar cell panels of this type are arranged side by side on an inclined roof surface in order to secure large electric power.
These solar cell panels are individually fixed to rail-like support members using bolts or the like, and a flexible seal member made of urethane foam or the like is interposed therebetween.
[0004]
Moreover, in order to electrically connect a plurality of solar cell panels in series, each solar cell panel has a positive electrode and a negative electrode, and the positive electrode and the negative electrode of the solar cell panels adjacent to each other are connected. Must be electrically connected,
Conventionally, when connecting these electrodes, lead wires are connected to the respective electrodes, and these lead wires are connected to each other on the back side of the solar cell panel.
[0005]
[Problems to be solved by the invention]
However, since these solar cell panels must be individually positioned and bolted to the rail-like support member, there is a problem that the connecting operation between the solar cell panels is complicated. In other words, after installing one solar cell panel, when installing a new solar cell panel in succession, both are merely interposed with a flexible sealing member, so the new solar cell panel is already attached The battery panel may be displaced and positioning of the panels is not easy.
[0006]
In addition, the electrodes are connected to each other through lead wires, and these lead wires are connected on the back side of the solar cell panel, which is complicated. In particular, in order not to make a mistake in the connection between the lead wires, the connection work must be careful.
Therefore, in the conventional example, there is a problem that the construction is complicated in the connecting work and the electrical connecting work between the solar battery panels.
[0007]
An object of the present invention is to provide a solar cell panel and a roof structure that can be easily constructed.
[0008]
[Means for Solving the Problems]
Therefore, the present invention intends to achieve the above object by forming extension portions on the mutually opposing frames of the solar cell panel and providing a pair of electrodes that can be fitted to each other in these extension portions.
Specifically, when the solar cell panel of the present invention is described with reference to the drawings, a plurality of solar cell panels arranged side by side on an inclined roof surface and provided with a positive electrode 22 and a negative electrode 23, respectively. 11, a panel main body 13 for converting light energy into electric energy, and a frame 14 disposed opposite to each other with the panel main body 13 interposed therebetween. A first extending portion 20 that extends outward is formed, a second extending portion 21 that extends outward from the surface side of the panel body 13 is formed on the other 16 of the frame 14, and the first extending portion 20 is One of the positive electrode 22 and the negative electrode 23 is provided, and the other of the positive electrode 22 and the negative electrode 23 is provided on the second extending portion 21, and these electrodes 22 and 23 are fitted to each other. Shape that can be matched The first extension portion 20 has an opening portion 20A that is open on the surface side of the panel body 13 and in which one of the positive electrode 22 and the negative electrode 23 is provided, and the second extension portion 21 has an opening 21A which is open on the back side of the panel body 13 and in which one of the positive electrode 22 and the negative electrode 23 is provided, and one of the electrodes is a cylindrical body, The other is a cylindrical body .
[0009]
In the present invention, a plurality of solar cell panels 11 are arranged in a line along the roof inclined surface, and the first extending portion 20 and the second extending portion 21 of the adjacent solar cell panels 11 are polymerized, and the electrode 22 and 23 are fitted together.
By fitting the electrodes 22 and 23 of the adjacent solar cell panels 11, the adjacent solar cell panels 11 can be positioned, and the electrical connection of these panels 11 uses lead wires. It can be done easily.
Therefore, in this invention, the connection operation | work of solar cell panels 11 and wiring work are easy, and it can construct a solar cell panel by simple operation | work.
In addition, the first extension portion 20 has an opening portion 20A that is open on the surface side of the panel body 13 and in which one of the positive electrode 22 and the negative electrode 23 is provided. 2 Since the extending portion 21 has an opening portion 21A that is open on the back surface side of the panel body 13 and in which one of the positive electrode 22 and the negative electrode 23 is provided, the positive and negative portions that are fitted to each other Since the electrodes 22 , 23 are covered with the first extension part 20 and the second extension part 21 , the waterproof treatment of the electrodes 22 , 23 can be made reliable and simple.
[0010]
Here, in the present invention, the panel body 13 includes at least one of the first substrate 25 and the second substrate 26 having translucency, and the first substrate 25 and the second substrate 26. The structure which has the thin film solar cell layer 27 provided in either one among the opposing surfaces may be sufficient.
In this structure, since the panel main body 13 is configured by overlapping the first substrate 25 and the second substrate 26, the strength of the panel main body 13 can be improved.
In addition, since the thin film solar cell 27 is formed directly on the substrates 25 and 26, the panel body 13 can be formed easily and at low cost.
[0012]
Than on, in the present invention, a solar cell panel 11 of the structure arranged plurality lined in at least one direction on the roof substrate material 1, the first extending portion 20 of the adjacent solar cell panel 11 second extending portion 21 is superposed on each other and the positive and negative electrodes 22 and 23 are fitted to each other to construct the roof structure 10.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows the overall structure of a building to which the roof structure 10 of the present embodiment is applied.
The roof structure 10 includes a gable provided with a plurality of solar cell panels 11 arranged vertically and horizontally along a roof inclined surface, and a dry seal member 12 interposed between the left and right sides of the solar cell panels 11. It is a roof.
The dry seal member 12 is made of an elastomer, and is formed in a linear shape from, for example, EPDM (ethylene-propylene-diene terpolymer blend), butyl rubber, rubber used as a building material, elastomer containing silicon, and the like. The
[0014]
A longitudinal sectional structure of the roof structure 10 is shown in FIG.
In FIG. 2, a roofing material 2 is stretched on an inclined roof base material 1, and a rail member 3 is attached on the roofing material 2 along the roof inclination direction. A roof structure 10 is mounted on the rail member 3 with a bolt or the like (not shown).
In the present embodiment, the solar cell panel 11 may be directly fixed to the roof base material 1 with a bolt or the like, or may be a structure fixed to a rail member on the roof material.
[0015]
The detailed structure of the solar cell panel 11 is shown in FIGS.
In these figures, the solar cell panel 11 has a structure in which a flat rectangular panel body 13 for converting light energy into electric energy is attached to a frame 14.
The frame 14 includes a bottom plate portion 15 that supports the lower surface of the panel main body 13, an upper frame portion 16 and a lower frame portion 17 that are vertically opposed to each other across the panel main body 13, and the upper frame portion 16, 17 is a structure including a right frame portion 18 and a left frame portion 19 which are arranged orthogonally to 17 and arranged opposite to each other on the left and right sides with the panel main body 13 interposed therebetween.
[0016]
In the state where the recess is formed by being surrounded by the bottom plate portion 15 and the frame portions 16 to 19 and the panel main body 13 is housed in the recess, the upper surfaces of the frame portions 16 to 19 and the panel main body 13 have substantially the same height. Become.
In the present embodiment, the bottom plate portion 15 and the frame portions 16 to 19 are formed separately from aluminum, stainless steel, and other materials having fire resistance, water resistance and durability, and are fixed to each other by welding or the like. The structure may be sufficient, or the structure formed integrally may be sufficient.
[0017]
A first extending portion 20 extending outward from the back side of the panel body 13 is formed on the lower frame portion 17 of the frame 14, and a first extending portion extending outward from the surface side of the panel body 13 is formed on the upper frame portion 16. Two extending portions 21 are formed.
The 1st extension part 20 and the 2nd extension part 21 of the adjacent solar cell panel 11 can superpose | polymerize, and when these are superposed | polymerized, each solar cell panel 11 becomes substantially the same height (refer FIG. 2). ).
[0018]
The first extending portion 20 has an opening 20A that is open in the shape of a side surface on the surface side of the panel body 13, and the opening 20A extends continuously in the left-right direction.
A plurality (two in the figure) of positive electrodes 22 are provided upright at predetermined intervals on the bottom of the opening 20A.
The second extending portion 21 has an opening portion 21 </ b> A opened in a side U shape on the back surface side of the panel body 13 and a fitting groove 21 </ b> B for fitting the end portion of the first extending portion 20 of the adjacent solar cell panel 11. The opening 21A extends in the left-right direction and is continuously formed.
On the upper part of the opening 21A, the same number of negative electrodes 23 as the positive electrodes 22 are provided downward and spaced apart from each other by a predetermined distance.
[0019]
The positive electrode 22 constitutes a female engaging portion and is formed in a substantially cylindrical shape.
The negative electrode 23 constitutes a male engagement portion and is formed in a columnar shape that can be fitted to the positive electrode 22.
In a state where the first extending portion 20 and the second extending portion 21 of the adjacent solar cell panels 11 are polymerized, these electrodes 22 and 23 are surrounded by these extending portions 20 and 21.
[0020]
In the solar cell panel 11 in the lowermost row arranged on the roof base material 1, since the first extension portion 20 is exposed, a cap member 24 is attached to the first extension portion 20 (FIG. 1). reference).
Electrical connection between the positive electrode 22 and the negative electrode 23 and the panel main body 13 may be performed by an appropriate means, for example, a lead wire (not shown).
[0021]
As shown in FIG. 4, the panel body 13 is a thin film provided on the opposing surfaces of the first substrate 25 and the second substrate 26 having translucency and the second substrate 26 of the first substrate 25. It is a plate-like member provided with the solar cell layer 27. In FIG. 4, the thickness of the panel body 13 is increased in order to make the structure of the panel body 13 easier to understand.
[0022]
The first substrate 25 and the second substrate 26 have a rectangular and substantially the same planar shape, and are formed of a light-transmitting material such as glass or acrylic resin.
The thin film solar cell layer 27 provided on the first substrate 25 includes, for example, amorphous Si and electrodes directly formed on the first substrate 25 by vapor phase growth.
[0023]
Between the first substrate 25 and the second substrate 26, a synthetic resin filler 28 having a light transmitting property is interposed.
The synthetic resin filler 28 is made of a transparent synthetic resin such as EVA (Ethylene Vinylacetate) or PVB (Poly Vinylbutylol). The first substrate 25 and the second substrate 26 are bonded to each other using the synthetic resin filler 28 as an adhesive layer.
The substrates 25 and 26 are bonded to each other by applying heat and pressure with the synthetic resin filler 28 sandwiched therebetween.
[0024]
In the present embodiment configured as described above, the solar cell panel 11 is manufactured by processing the frame 14 and fitting the panel main body 13 into the recess of the frame 14.
The solar cell panel 11 is arranged on the roofing 2 of the roof base material 1 in the vertical and horizontal directions, and further, a dry seal member 12 is arranged between the solar cell panels 11 along the roof inclination direction to form a roof structure. The body 10 is constructed.
[0025]
That is, the first solar cell panel 11 is attached on the rail member 3 of the roof base material 1, and the solar cell panel 11 is attached to the lower side (the roof inclination direction) of the solar cell panel 11. In this case, the 2nd extension part 21 of the solar cell panel 11 newly attached from above the 1st extension part 20 of the solar cell panel 11 already attached is pressed, and both are superposed | polymerized. Along with this polymerization, the positive electrode 22 and the negative electrode 23 are fitted together, and the relative positions of both panels 11 are fixed.
The remaining solar cell panels 11 are mounted side by side in the same procedure. All or part of these solar cell panels 11 are fixed to the rail member 3 with bolts or the like.
In addition, construction of the solar cell panel 11 may be performed at a factory or may be performed at a construction site.
[0026]
According to this embodiment, there are the following effects.
That is, a panel main body 13 that converts light energy into electric energy and a frame 14 that is disposed opposite to each other with the panel main body 13 interposed therebetween are provided, and one of the frames 14 extends outward from the back side of the panel main body 13. The extended first extending portion 20 is formed, the second extending portion 21 extending outward from the surface side of the panel body 13 is formed on the other 16 of the frame 14, and the positive electrode is formed on the first extending portion 20. 22, the negative electrode 23 is provided on the second extension portion 21, and the electrodes 22 and 23 are configured to be fitted to each other, so that the electrodes 22 and 23 of the adjacent solar cell panels 11 are fitted to each other. By doing so, the adjacent solar cell panels 11 can be positioned, and electrical connection of these panels 11 can be easily performed without using lead wires.
[0027]
Further, since the panel main body 13 is configured by overlapping the first substrate 25 and the second substrate 26, the strength of the panel main body 13 can be improved.
Moreover, since the thin film solar cell layer 27 is formed directly on the first substrate 25, the panel body 13 can be formed easily and at low cost.
[0028]
Further, since a synthetic resin filler 28 having a light transmitting property is interposed between the first substrate 25 and the second substrate 26, the first substrate 25 and the second substrate 26 can be formed without interfering with the incidence of light on the thin film solar cell layer 27. The one substrate 25 and the second substrate 26 can be easily bonded.
Moreover, even if the substrates 25 and 26 are cracked, they are not scattered, so that it is possible to prevent the spread of fire to adjacent houses, and fire prevention performance can be obtained simply by arranging the solar cell panels 11.
[0029]
Furthermore, since the frame 14 is made of a material excellent in fire resistance, water resistance and durability, the solar cell panel 11 can be used as an excellent roofing material.
Furthermore, since the dry seal member 12 is interposed between the solar cell panels 11 adjacent to each other in the left-right direction, the waterproof treatment on the side surface where the extending portions 20 and 21 are not provided can be ensured.
[0030]
Moreover, in the state in which the first extending portion 20 and the second extending portion 21 of the adjacent solar cell panels 11 are polymerized, the solar cell panels 11 are set to have substantially the same height. Are arranged on the roof base material 1, the solar panel 11 constituting the roof has the same height from the roof base material 1, and there is no step at the joint between the panels 11, and dust or the like is formed at the joint. Will not accumulate.
[0031]
The first extension portion 20 has an opening portion 12 </ b> A that opens to the front surface side of the panel body 13 and has a positive electrode 22 provided therein, and the second extension portion 21 opens to the back surface side of the panel body 13. However, since the structure has the opening portion 21 </ b> A in which the negative electrode 23 is provided, the positive and negative electrodes 22, 23 that are fitted to each other are covered with the first extension portion 20 and the second extension portion 21. Therefore, the waterproof treatment of the electrodes 22 and 23 can be made surely and easily.
Furthermore, since the positive electrode 22 has a female engaging portion and the negative electrode 23 has a male engaging portion, the structure of the electrodes 22 and 23 itself can be simplified.
[0032]
In addition, this invention is not limited to the said embodiment, Other modifications etc. which can achieve the objective of this invention are included, The deformation | transformation etc. which are shown below are also contained in this invention.
For example, in the said embodiment, although the 1st board | substrate 25 and the 2nd board | substrate 26 were piled up and the panel main body 13 was comprised, the panel main body 13 of this invention is not limited to the structure of the said embodiment, The solar All structures that can convert light into electrical energy are included.
[0033]
That is, the panel body of the present invention may have a structure in which a vertical frame and a horizontal frame are attached to the periphery of the waterproof case in which a predetermined number of solar cells are housed.
Even if the solar cell panel is configured by including the first and second substrates, the material of the second substrate 26 disposed on the roofing 2 side may not be translucent. For example, you may form with a metal, a synthetic resin, etc. In short, as long as the light receiving substrate has translucency, the material of the substrate that does not directly receive light is arbitrary. By making the material of the substrate on the side that does not receive light directly other than glass, the strength of the solar cell panel can be increased.
Further, the size and thickness of the substrates 25 and 26 are not particularly limited, and for example, the first substrate 25 and the second substrate 26 may have different thicknesses. However, if the same substrate is used for the first substrate 25 and the second substrate 26, the manufacturing cost can be reduced.
[0034]
Further, it is not always necessary to interpose the flexible dry seal member 12 between the solar cell panels 11 adjacent in the left-right direction. For example, the structure which forms the 1st extension part 20 and the 2nd extension part 21 in the right frame part 18 and the left frame part 19 of the solar cell panel 11 may be sufficient.
Furthermore, the height dimension of each solar cell panel 11 may differ in the state in which the first extension portion 20 and the second extension portion 21 of the adjacent solar cell panels 11 are polymerized.
[0035]
Moreover, in the said embodiment, the positive electrode 22 comprised the female type | mold engagement part, and the negative electrode 23 comprised the male type | mold engagement part. However, in the present invention, the reverse, that is, the positive electrode 22 is The male engagement portion may be configured, and the negative electrode 23 may configure the female engagement portion. Furthermore, the first extension portion 20 is provided with the negative electrode 23, and the second extension portion 22 is provided with the negative electrode 23. A positive electrode 23 may be provided.
Furthermore, although the male engaging portion is a columnar member and the female engaging portion is a cylindrical member, the male engaging portion is a rail-shaped member having a rectangular cross section, and the female engaging portion is a rectangular cross section. It is good also as a rail member of a cross-sectional U shape which has a groove | channel fitted to the rail-shaped member.
Further, it is not always necessary to enclose both the electrodes 22 and 23 with the first extension portion 20 and the second extension portion 21.
[0036]
The roof structure 10 is not limited to a roof panel, and may be a roof unit or a roof portion of a conventional construction method fixed to a rafter, and the present invention is a structure that constitutes a roof of a building. Any body can be applied.
Furthermore, the form of the roof is not limited to the gable roof, and the present invention can be applied to various types of roofs such as a ridge roof.
[0037]
【The invention's effect】
As described above, according to the present invention, a panel main body that converts light energy into electric energy and a frame that is disposed to face each other across the panel main body are provided, and one of the frames has a back surface of the panel main body. Forming a first extension portion extending outward from the side, forming a second extension portion extending outward from the surface side of the panel body on the other side of the frame, and forming a positive electrode on the first extension portion; Since one of the negative electrodes is provided, and either the positive electrode or the negative electrode is provided on the second extension portion, and these electrodes are shaped to be fitted to each other, the electrodes of the adjacent solar cell panels By fitting each other, adjacent solar cell panels can be positioned, and the connection work between these panels can be easily performed. In addition, the electrical connection work can be easily performed without using lead wires. Yes. Therefore, the construction of the solar cell panel is easy.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an overall configuration of a building to which a roof structure according to an embodiment of the present invention is applied.
FIG. 2 is a longitudinal sectional view of the roof structure.
FIG. 3 is a perspective view of a solar cell panel.
FIG. 4 is a cross-sectional view of a solar cell panel.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Roof base material 10 Roof structure 11 Solar cell panel 13 Panel main body 14 Frame 16 The other 17 of frame 17 One of the frames 20 The 1st extension part 21 The 2nd extension part 22 The positive electrode 23 The negative electrode 25 The 1st board | substrate 26 Second substrate 27 Thin film solar cell layer

Claims (3)

屋根傾斜面に複数並べて配置され、かつ、それぞれ正の電極と負の電極とが設けられた太陽電池パネルであって、光エネルギを電気エネルギに変換するパネル本体と、このパネル本体を挟んで互いに対向配置されたフレームとを備え、このフレームの一方に前記パネル本体の裏面側から外側に延出した第1延出部を形成し、前記フレームの他方に前記パネル本体の表面側から外側に延出した第2延出部を形成し、前記第1延出部に前記正の電極および前記負の電極のいずれか一方を設け、前記第2延出部に前記正の電極および前記負の電極のいずれか他方を設け、これらの電極が互いに嵌合可能な形状を有し、前記第1延出部は前記パネル本体の表面側に開口し内部に前記正の電極および前記負の電極のいずれか一方が設けられた開口部を有し、前記第2延出部は前記パネル本体の裏面側に開口し内部に前記正の電極および前記負の電極のいずれか他方が設けられた開口部を有し、前記電極の一方は筒状体であり、前記電極の他方は円柱体であることを特徴とする太陽電池パネル。A plurality of solar cell panels arranged side by side on an inclined roof surface and provided with a positive electrode and a negative electrode, respectively, and a panel body that converts light energy into electrical energy, and the panel body sandwiching each other A first extending portion that extends outward from the back side of the panel body on one side of the frame, and extends outward from the surface side of the panel body on the other side of the frame. Forming the extended second extending portion, providing either the positive electrode or the negative electrode on the first extending portion, and forming the positive electrode and the negative electrode on the second extending portion; Any one of the above, the electrodes have a shape that can be fitted to each other, and the first extension portion opens on the surface side of the panel body, and any of the positive electrode and the negative electrode inside Has an opening with one of them The second extending portion has an opening or the other is provided on the back surface the positive open inside the side electrode and the negative electrode of the panel body, one of said electrodes tubular body And the other of the electrodes is a cylindrical body . 請求項1に記載した太陽電池パネルにおいて、前記パネル本体は、少なくともいずれか一方が透光性を有する第一の基板および第二の基板と、これらの第一の基板および第二の基板の対向面のうちいずれか一方に設けられた薄膜太陽電池層とを有することを特徴とする太陽電池パネル。2. The solar cell panel according to claim 1, wherein at least one of the panel body has translucency, and the first substrate and the second substrate are opposed to each other. A solar cell panel comprising: a thin-film solar cell layer provided on any one of the surfaces. 請求項1または2に記載した太陽電池パネルを屋根下地材の上に少なくとも一方向に複数並べて配置し、隣り合う太陽電池パネルの前記第1延出部と前記第2延出部とを互いに重合するとともに、前記正の電極と前記負の電極とを互いに嵌合したことを特徴とする屋根構造体。A plurality of solar cell panels according to claim 1 or 2 are arranged side by side in at least one direction on a roof base material, and the first extension portion and the second extension portion of adjacent solar cell panels are superposed on each other. The roof structure is characterized in that the positive electrode and the negative electrode are fitted to each other.
JP20372196A 1996-08-01 1996-08-01 Solar panel and roof structure Expired - Fee Related JP3787395B2 (en)

Priority Applications (1)

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JP20372196A JP3787395B2 (en) 1996-08-01 1996-08-01 Solar panel and roof structure

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Application Number Priority Date Filing Date Title
JP20372196A JP3787395B2 (en) 1996-08-01 1996-08-01 Solar panel and roof structure

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JPH1046772A JPH1046772A (en) 1998-02-17
JP3787395B2 true JP3787395B2 (en) 2006-06-21

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3284959B2 (en) 1998-02-27 2002-05-27 日産自動車株式会社 Lockup control device for automatic transmission
WO2006043658A1 (en) * 2004-10-22 2006-04-27 Kyocera Corporation Solar battery module device and method of installing the same
FR2947099B1 (en) * 2009-06-17 2013-11-15 Cynegy Holdings France PHOTOVOLTAIC TILE FOR ROOF
JP5827071B2 (en) * 2011-08-17 2015-12-02 株式会社エクソル ROOF OR WALL INTEGRATED SOLAR CELL MODULE AND SOLAR CELL ARRAY CONSTRUCTION METHOD USING THE SAME
UA118883C2 (en) * 2014-07-01 2019-03-25 Арселорміттал Panel provided with a photovoltaic device
TWI679388B (en) * 2018-04-20 2019-12-11 王家壽 Solar panel frame group

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