JP2004235284A - Method of installing solar cell panel for condensating solar power generation device - Google Patents

Method of installing solar cell panel for condensating solar power generation device Download PDF

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Publication number
JP2004235284A
JP2004235284A JP2003019611A JP2003019611A JP2004235284A JP 2004235284 A JP2004235284 A JP 2004235284A JP 2003019611 A JP2003019611 A JP 2003019611A JP 2003019611 A JP2003019611 A JP 2003019611A JP 2004235284 A JP2004235284 A JP 2004235284A
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solar cell
cell panel
sun tracking
sun
adjusting
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JP2003019611A
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JP4253194B2 (en
Inventor
Michio Kondo
道雄 近藤
Kenji Araki
建次 荒木
Toshio Egami
敏夫 江上
Masao Hiramatsu
雅男 平松
Noritoku Miyazaki
憲徳 宮崎
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Daido Steel Co Ltd
Daido Metal Co Ltd
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Daido Steel Co Ltd
Daido Metal Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • H01L31/0543—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the refractive type, e.g. lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00—Arrangements for controlling solar heat collectors
    • F24S50/20—Arrangements for controlling solar heat collectors for tracking
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
    • 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
    • Y02E10/47—Mountings or tracking
    • 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
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/52—PV systems with concentrators

Abstract

<P>PROBLEM TO BE SOLVED: To enable a solar cell panel to be installed and adjusted independently of whether sunlight is present or not. <P>SOLUTION: A method of installing and adjusting the solar cell panel is provided with a first step of placing a sun tracking sensor 43 on a horizontal surface plate 62, making spot light L4 incident on the horizontal platen 62 at a right angle impinge on the detecting surface of the sun tracking sensor 43 at a prescribed point, and adjusting a level 48 annexed to the sun tracking sensor 43 so as to make it indicate a prescribed indicating position; a second step of placing a condensation-type solar cell panel on the surface plate 62, and adjusting the attitude of the condensation-type solar cell panel so as to condense parallel light incident on the platen at a right angle on the light receiving surface of the solar cell provided inside the condensation-type solar cell panel; a third step of placing the sun tracking sensor 43 on the solar tracking trestle and adjusting the attitude of the solar tracking trestle so as to make the level indicate a prescribed indicating position; and a fourth step of setting the mounting surface of the surface plate horizontal in attitude by a leveling device, and placing the condensating solar cell panel adjusted in attitude on the surface plate on the mounting surface of the platen. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

【０００１】
【発明の属する技術分野】
本発明は集光式太陽光発電装置の太陽電池パネルの設置方法に関し、特に、太陽追尾架台への太陽電池パネルの設置方法の改良に関する。
【０００２】
【従来の技術】
集光式太陽光発電装置において、太陽の移動に追従するように姿勢が制御される太陽追尾架台に、集光レンズと太陽電池を内設した太陽電池パネルを搭載したものがある（特許文献１）。従来、上記太陽電池パネルを設置するに当たっては、太陽追尾架台を追従作動させた状態で太陽電池パネルからの発電出力を測定し、発電出力が最大になるように太陽電池パネルの姿勢を調整して設置している。
【特許文献１】特開２００２−２０２８１７
【０００３】
【発明が解決しようとする課題】
しかし、上記従来の設置方法では、雨天等の太陽光が弱い状態では太陽電池パネルの設置調整ができないという問題があるとともに、太陽追尾架台が追従動作を行っている状態での太陽電池パネルの設置には十分な注意を要するという問題があった。
【０００４】
本発明はこのような課題を解決するもので、太陽光の有無に無関係に太陽電池パネルの設置調整が可能であるとともに設置作業をより安全に行うことができる集光式太陽光発電装置の太陽電池パネルの設置方法を提供することを目的とする。
【０００５】
【課題を解決するための手段】
本第１発明の太陽追尾架台は、太陽電池パネル（２Ａ〜２Ｄ）を載置する太陽追尾架台（１）であって、太陽電池パネル（２Ａ〜２Ｄ）を載置する載置面の姿勢を調整する機構（２２，４４）を備えている。ここで、載置面の姿勢を調整する機構は、太陽電池パネル（２Ａ〜２Ｄ）の下面に突設した三本以上の支持脚（２２）と、これら支持脚（２２）をそれぞれ受けるように太陽追尾架台（１）に設けた上下に移動調整可能な支持体（４４）とで実現することができる。
【０００６】
本第２発明の集光式太陽光発電装置の太陽電池パネルの設置方法は、上記太陽追尾架台（１）を使用した集光式太陽光発電装置であって、太陽追尾架台（１）上に設けた太陽追尾センサ（４３）の検出面（４７ａ）上の所定位置に太陽スポット光（Ｌ３）が入射するように太陽追尾架台（１）の姿勢を制御するようにした集光式太陽光発電装置において、水平定盤（６２）上に太陽追尾センサ（４３）を置いて、水平定盤（６２）に対して垂直に入射するスポット光（Ｌ４）を太陽追尾センサ（４３）の検出面（４７ａ）上の上記所定位置に入射させ、この状態で太陽追尾センサ（４３）に付設された第１水準器（４８）が所定の指示位置を示すように調整するステップと、定盤（６６）上に集光式太陽電池パネル（２Ａ〜２Ｄ）を置いて、定盤（６６）に対して垂直に入射する平行光（Ｌ１）が集光式太陽電池パネル（２Ａ〜２Ｄ）に内設された太陽電池セル（２１２）の受光面上に集光されるように集光式太陽電池パネル（２Ａ〜２Ｄ）の姿勢を調整するステップと、太陽追尾架台（１）上に太陽追尾センサ（４３）を設置して第１水準器（４８）が上記所定の指示位置を示すように太陽追尾架台（１）の姿勢を調整するステップと、第２水準器（７）によって上記載置面を水平姿勢に調整して、当該載置面上に、定盤（６６）上で姿勢が調整された上記集光式太陽電池パネル（２Ａ〜２Ｄ）を載置するステップとを具備している。
【０００７】
本第２発明において、太陽追尾架台上に太陽追尾センサを設置して第１水準器が所定の指示位置を示すように太陽追尾架台の姿勢を調整することにより太陽追尾センサは水平面上に位置させられ、水平面に対して垂直な鉛直方向から入射する太陽スポット光は太陽追尾センサのセンサ素子の検出面上の所定位置に入射させられる。この状態で、第２水準器によって水平姿勢に調整された載置面上に、定盤上で姿勢が調整された集光式太陽電池パネルを載置すれば、載置面に対して垂直な鉛直方向から入射する平行太陽光は太陽電池セルの受光面上に集光される。このように太陽電池パネルの設置調整を行っておけば、太陽スポット光が太陽追尾センサのセンサ素子の検出面上の所定位置に入射するように太陽追尾架台の姿勢を制御することによって、太陽光は常に太陽電池セルの受光面上に良好に集光される。このような設置方法によれば、雨天等の太陽光が弱い状態でも太陽電池パネルの確実な設置ができるとともに、太陽追尾架台の追従動作を停止した状態で太陽電池パネルの設置を行うことができるから、より安全な設置作業が可能である。また、予め定盤上で傾きを調整した太陽電池パネルを準備しておけば、故障等をした太陽電池パネルを現場での調整を行うことなく速やかに交換することができる。
【０００８】
なお、上記カッコ内の符号は、後述する実施形態に記載の具体的手段との対応関係を示すものである。
【０００９】
【発明の実施の形態】
（第１実施形態）
図１には集光式太陽光発電装置の一例を示す。図１において、装置本体は４個の集光式太陽電池パネル２Ａ〜２Ｄを備えており、これら太陽電池パネル２Ａ〜２Ｄは地表に据えた基板Ｐ上に立設した太陽追尾架台（以下、単に架台という）１に支持されている。各太陽電池パネル２Ａ〜２Ｄは四角形の箱体で、架台１によって同一平面上に全体が略四角形をなすように支持されている。各太陽電池パネル２Ａ〜２Ｄは複数の太陽電池モジュール２１により構成されており、各太陽電池モジュール２１は表面に四角形の集光用フレネルレンズ２１１を位置させるとともに、内部のレンズ焦点位置に太陽電池セル（図示略）を位置させている。
【００１０】
上記架台１の支柱の上端には図２に示すように軸受け機構３が設置されている。軸受け機構３は、傾斜して設けられた略Ｕ字形の軸受け片３１を有し、当該軸受け片３１の内空間には軸受けブロック３２が位置している。軸受けブロック３２の両側面に突設された軸体３３（一方のみ示す）が軸受け片３１の両側壁３１１に回転自在に支持されるとともに、軸受けブロック３２にはこれを上記軸体３３と直交する方向へ貫通して軸体３４が回転自在に支持されている。軸体３４の両端にはそれぞれ支持枠４Ａ，４Ｂ（図２に一方のみ示す）が装着されている。支持枠４Ａは三角形の枠体で、その長辺の中央に設けた筒状鞘体４１が軸体３４に嵌着されている。支持枠４Ａ，４Ｂは仕切枠４２によってさらに三角形領域に二区分され、詳細を後述するように、各三角形領域のコーナ部に設けた有底の支持筒４４内に、下面に突設された三本の調整脚２２をそれぞれ挿入して太陽電池パネル２Ａ，２Ｂと２Ｃ，２Ｄが搭載されている。また、上記支持枠４Ａには詳細を後述する太陽追尾センサ４３が設けられている。
【００１１】
軸体３３はその傾斜が架台１を設置した場所の緯度に応じて調整されて、後述のように軸体３３に支持されて回動する太陽電池パネル２Ａ〜２Ｄの、方位角方向の回転軸が地球自転軸とほぼ平行になるようにしてある。軸体３３には、両端にフレキシブルジョイント部５１，５２（図１）を備えた駆動シャフト５が上記ジョイント部５１を介して連結されており、駆動シャフト５の他端はフレキシブルジョイント部５２を介して駆動モータ５３の出力軸５３１に連結されている。駆動モータ５３は基板Ｐに設けた架台５４上に支持されている。なお、地球自転軸に対して平行にするための軸体３３の傾斜調整は、駆動シャフト５を外した状態で、軸体３３の端部に取り付けたジンバルミラー等を使って、光学的に高精度に行うことができる。
【００１２】
図３には軸受け機構３の詳細を示す。軸受けブロック３２上には駆動モ−タ５５が設けられており、駆動モータ５５の出力軸はこれに設けたウォームギヤ５６によって円形ギヤ５７に連結されている。駆動モータ５５の駆動力は上記円形ギヤ５７と同軸の円形ギヤ５８を介して軸体３４の外周に固定された大径の円形ギヤ５９に伝達されるようになっている。
【００１３】
このような構造により、駆動モータ５５を作動させて太陽電池パネル２Ａ〜２Ｄを軸体３４回りに回動させることにより、パネル面の法線の天頂角（これを以下、単に太陽電池パネルの天頂角という）を独立に変更することができるとともに、駆動モータ５３を作動させて太陽電池パネル２Ａ〜２Ｄを軸体３３回りに回動させることにより、パネル面の法線の方位角（これを以下、単に太陽電池パネルの方位角という）を独立に変更することができる。なお、基板Ｐ（図２）は軸体３３の回転軸が地球自転軸と平行になるように設置される。また、各軸体３３，３４の回転角はこれらに付設された図略のロータリエンコーダによって検出される。なお、上記駆動モータ５３，５５の制御は太陽追尾センサ４３の後述する検出面上の中心位置に太陽スポット光が入射するように行われ、これによって、太陽追尾センサ４３と太陽電池パネル２Ａ〜２Ｄが常に太陽の方向へ向けられる。
【００１４】
図４には太陽追尾センサ４３を設けた太陽追尾器ＳＴの外観を示す。太陽追尾センサ４３は円筒形の筐体を備えており、筐体の上端開口には中心にピンホール４３１を設けた蓋体４５が覆着されている。蓋体４５は水平方向へ一定範囲で調整移動できるようにしてその周縁部が筐体開口縁にネジ止めされている。筐体の下端開口は基板４６上に接合されており、上記ピンホール４３１と対向した下端開口内の基板４６面にはセンサ素子４７が接合されている。センサ素子４７は図５に示すように、その検出面４７ａが南北線と東西線に沿ってＡ領域〜Ｄ領域へ四等分されて、各領域からはこれに入射する光量に応じた出力が発せられる。図４において、基板４６上には全方位型の水準器４８が設けられている。水準器４８は矩形板体４８１の中心に気泡ＷＢを封入した円形のガラス容器４８２を設けたもので、板体４８１の傾きを四隅の調整ネジ４８３で変えられるようになっている。
【００１５】
図６に示すように、気泡ＷＢを封入した円形ガラス容器６１１よりなる全方位型の水準器６１を備えて水平姿勢に調整された定盤６２上に、太陽追尾センサ４３と水準器４８を一体に設けた上記太陽追尾器ＳＴを置く。光出力装置６３は、レーザ光源６３１から出力されたレーザ光を、一対の凸レンズ６３２，６３３よりなるビームエクスパンダで大径かつ平行な調整光Ｌ１にして出力するもので、調整光Ｌ１は反射鏡６４によって下方の太陽追尾センサ４３へ向けて反射される。反射鏡６４によって反射された調整光Ｌ１は定盤６２に垂直に入射するようになっている。これは、図６の鎖線で示すように定盤６２上に鏡６５を置き、光出力装置６３から出力されて反射鏡６４から鏡６５に向けて送出された調整光Ｌ２が同一経路を辿って戻り、光出力装置６３の凸レンズ６３２，６３３間に設けた遮蔽板６３４のピンホールを再び通過するように、鏡６４の角度を調整しておくことにより実現される。次に、反射鏡６４によって定盤６２に向けて垂直に反射させられた調整光Ｌ１が太陽追尾センサ４３のピンホール４３１（図４）を通過してスポット光Ｌ４として検出面４７ａ（図５）上の中心位置に入射するように、蓋体４５の位置を適宜水平方向へ移動させて調整する。そしてこの時に、水準器４８の気泡ＷＢがガラス容器４８２の中心位置に来るように調整ネジ４８３で板体４８１の傾きを調整しておく。
【００１６】
一方、太陽電池パネル２Ａ〜２Ｄの調整は以下のように行う。すなわち、図７に示すように、太陽電池パネル２Ａを定盤６６上に置き、上述した調整方法によって角度を調整した鏡６４により、光出力装置６３から出力された調整光Ｌ１を定盤６２に対して垂直に反射させて太陽電池モジュール２１の集光用フレネルレンズ２１１に入射させる。そしてフレネルレンズ２１１で集光された調整光Ｌ１が太陽電池セル２１２上に設けられた二次集光器２１３の上端面中心に入射するように、各調整脚２２の長さを調整して太陽電池パネル２Ａの傾きを調整しておく。太陽電池パネル２Ｂ〜２Ｃについても同様である。なお、この場合の定盤６６は必ずしも水平姿勢である必要はない。
【００１７】
図８に示す水準装置７は、基板７１上に上述したような構造の全方位型水準器７２を載置したもので、基板７１には太陽電池パネル２Ａ〜２Ｄの調整脚２２と同一間隔の三本の調整脚７３が下方へ突設してある。このような水準装置７を図示するように、全方位型水準器６１を備えて水平姿勢に調整された定盤６２上に置き、水準器７２の気泡ＷＢがガラス容器７２１の中心位置に来るように調整脚７３で基板７１の傾きを調整しておく。
【００１８】
太陽電池パネル２Ａ〜２Ｄを架台上に設置するに際しては、図９に示すように、架台１の支持枠４Ａ上に水準器４８と一体の太陽追尾センサ４３を設けた太陽追尾器ＳＴを設置し、水準器４８の気泡ＷＢがガラス容器４８１の中心位置へ来るように架台１の姿勢を変更調整する。これにより、太陽追尾センサ４３は水平面上に立設された状態となり、鉛直上方から入射する太陽光がピンホール４３１（図４）を通過して形成されるスポット光Ｌ４（図５）は検出面４７ａ上の中心位置に入射する。この状態で、図９に示すように各支持筒４４内に調整脚７３を挿入して水準装置７を支持枠４Ａ上に載置する。支持筒４４は支持枠４Ａに設けたネジ穴内に捩じ込まれており、支持筒４４を正逆回転させることによって上下に移動させることができる。そこで、各支持筒４４を適当に上下動させてその底壁の高さを変えることにより、水準装置７の水準器７２の気泡ＷＢがガラス容器７２１の中心位置に来るようにする。これにより、各支持筒４４の底壁を連ねて形成される載置面は水平となる。なお、この調整は、太陽電池パネル２Ａ〜２Ｄを支持する支持筒４４の全てについて行っておく。
【００１９】
このようにして調整された各支持筒４４内に図１０に示すように支持脚２２を挿入して太陽電池パネル２Ａを支持枠４Ａ上に載置し、下方から支持枠４Ａを貫通させて固定ネジ４９をパネル底面に捩じ込んで太陽電池パネル２Ａを固定する。これにより、載置面に垂直な鉛直方向から入射する太陽光は、太陽電池パネル２Ａ内の各太陽電池モジュール２１（図７）のフレネルレンズ２１１で集光されて二次集光器２１３の上端面中心に入射し、二次集光器２１３内で内部反射されつつ太陽電池セル２１２に均一に入射させられる。このように調整された集光式太陽光発電装置では、太陽追尾センサ４３の検出面４７ａ中心に常に太陽スポット光Ｌ４が位置するように支持枠４Ａ，４Ｂの姿勢を駆動モータ５３，５５で制御すれば、太陽光は太陽電池パネル２Ａ〜２Ｄに配設された各太陽電池モジュール２１内の太陽電池セル２１２に良好に入射して効率的な発電が実現される。
【００２０】
本実施形態で説明した設置方法によれば、雨天等の太陽光が弱い状態でも太陽電池パネルの確実な姿勢調整ができるとともに、太陽追尾架台の追従動作を停止した状態で設置調整を行うことができるから設置時に過度の注意をする必要がない。また、予め定盤上で傾きを調整した太陽電池パネルを準備しておけば、故障等した太陽電池パネルを現場での調整を行うことなく速やかに交換設置することができる。
【００２１】
（第２実施形態）
太陽追尾器ＳＴは図１１に示す構造のものとしても良い。すなわち、図１１に示す太陽追尾器ＳＴでは、第１実施形態のように調整ネジ４８３（図４）を水準器４８に設けるのに代えて、水準器４８は基板４６上に固定し、基板４６の四隅にそれぞれ調整ネジ４６１を設けて基板４６全体の傾きを変えるようにしてある。このような構造によっても、第１実施形態と同様の効果を得ることができる。
【００２２】
（第３実施形態）
図１２には太陽追尾器ＳＴのさらに他の構造を示す。本実施形態では太陽追尾センサ４３の蓋体４５は筐体に固定されている。そして、水準器４８および基板４６のいずれもが調整ネジ４８３，４６１で傾きを変更調整できるようになっている。このような構造によっても、第１実施形態と同様の効果を得ることができる。
【００２３】
【発明の効果】
以上のように、本発明の設置方法によれば、太陽光の有無に無関係に太陽電池パネルの設置調整が可能であるとともに設置作業に過度な注意を必要としない。
【図面の簡単な説明】
【図１】本発明の第１実施形態を示す集光式太陽光発電装置の側面図である。
【図２】集光式太陽光発電装置の部分分解斜視図である。
【図３】軸受け機構の斜視図である。
【図４】太陽追尾器の斜視図である。
【図５】太陽追尾センサのセンサ部の正面図である。
【図６】太陽追尾器の調整方法を示す側面図である。
【図７】太陽電池パネルの調整方法を示す側面図である。
【図８】水準装置の調整方法を示す側面図である
【図９】調整時の太陽追尾架台の断面図である。
【図１０】太陽電池パネル支持部の拡大断面図である。
【図１１】本発明の第２実施形態を示す水準装置の側面図である。
【図１２】本発明の第３実施形態を示す水準装置の側面図である。
【符号の説明】
１…太陽追尾架台、２Ａ，２Ｂ，２Ｃ，２Ｄ…太陽電池パネル、２１２…太陽電池セル、２２…支持脚、４３…太陽追尾センサ、４４…支持筒、４７ａ…検出面、４８…水準器、６２…水平定盤、７…水準装置、Ｌ１…平行光、Ｌ４…太陽スポット光。[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a method for installing a solar cell panel of a concentrating solar power generation device, and more particularly, to an improvement in a method for installing a solar cell panel on a sun tracking mount.
[0002]
[Prior art]
In a concentrating photovoltaic power generation device, there is a solar tracking mount in which a posture is controlled so as to follow the movement of the sun, and a solar cell panel in which a condensing lens and a solar cell are provided is mounted (Patent Document 1). ). Conventionally, when installing the solar cell panel, the power generation output from the solar cell panel is measured in a state where the solar tracking base is operated to follow, and the posture of the solar cell panel is adjusted so that the power generation output is maximized. Has been installed.
[Patent Document 1] JP-A-2002-202817
[0003]
[Problems to be solved by the invention]
However, the conventional installation method described above has a problem that the installation of the solar cell panel cannot be adjusted in a state where the sunlight is weak such as rainy weather, and the installation of the solar cell panel in a state where the sun tracking base is performing the following operation. Had the problem of requiring careful attention.
[0004]
SUMMARY OF THE INVENTION The present invention solves such a problem, and it is possible to adjust the installation of a solar cell panel irrespective of the presence or absence of sunlight and to perform the installation work more safely. An object of the present invention is to provide a method for installing a battery panel.
[0005]
[Means for Solving the Problems]
The solar tracking gantry of the first invention is a solar tracking gantry (1) on which solar cell panels (2A to 2D) are mounted, and the posture of a mounting surface on which the solar cell panels (2A to 2D) are mounted is shown. An adjusting mechanism (22, 44) is provided. Here, the mechanism for adjusting the attitude of the mounting surface is configured to receive three or more support legs (22) protruding from the lower surface of the solar cell panels (2A to 2D) and to receive the support legs (22), respectively. This can be realized with a support (44) provided on the sun tracking mount (1) and capable of adjusting the movement up and down.
[0006]
A method for installing a solar cell panel of a concentrating solar power generation device according to the second invention is a concentrating solar power generation device using the above-mentioned solar tracking gantry (1), wherein the solar tracking gantry (1) A concentrating photovoltaic power generator that controls the attitude of the sun tracking base (1) such that the sun spot light (L3) is incident on a predetermined position on a detection surface (47a) of the provided sun tracking sensor (43). In the apparatus, a sun tracking sensor (43) is placed on a horizontal surface plate (62), and a spot light (L4) perpendicularly incident on the horizontal surface plate (62) is detected by a detection surface (43) of the sun tracking sensor (43). 47a) making the first level (48) attached to the sun tracking sensor (43) indicate the predetermined indicated position in the state where the light is incident on the predetermined position on the surface plate (47a); Put the concentrating solar panel (2A ~ 2D) on top, The parallel light (L1) perpendicularly incident on the panel (66) is focused on the light receiving surface of the solar cell (212) provided in the concentrating solar cell panel (2A to 2D). Adjusting the attitude of the concentrating solar cell panels (2A to 2D), and installing a sun tracking sensor (43) on the sun tracking mount (1) so that the first level (48) is at the predetermined designated position Adjusting the attitude of the sun tracking gantry (1) so as to indicate the following, and adjusting the mounting surface to a horizontal attitude by the second level (7), and placing the surface plate (66) on the mounting surface. Mounting the concentrating solar cell panels (2A to 2D) whose posture has been adjusted above.
[0007]
In the second invention, the sun tracking sensor is positioned on the horizontal plane by installing the sun tracking sensor on the sun tracking gantry and adjusting the attitude of the sun tracking gantry so that the first level indicates a predetermined designated position. The sun spot light incident from a vertical direction perpendicular to the horizontal plane is incident on a predetermined position on the detection surface of the sensor element of the sun tracking sensor. In this state, if the concentrating solar cell panel whose posture has been adjusted on the surface plate is placed on the mounting surface that has been adjusted to a horizontal posture by the second level, it is perpendicular to the mounting surface. The parallel sunlight that enters from the vertical direction is collected on the light receiving surface of the solar cell. By adjusting the installation of the solar cell panel in this manner, by controlling the attitude of the sun tracking base so that the sun spot light is incident on a predetermined position on the detection surface of the sensor element of the sun tracking sensor, Is always well focused on the light receiving surface of the solar cell. According to such an installation method, the solar cell panel can be reliably installed even in a state where the sunlight is weak such as rainy weather, and the solar cell panel can be installed in a state where the tracking operation of the sun tracking base is stopped. Therefore, safer installation work is possible. In addition, if a solar cell panel whose inclination is adjusted on a surface plate is prepared in advance, a failed solar cell panel can be quickly replaced without performing on-site adjustment.
[0008]
In addition, the code | symbol in the said parenthesis shows the correspondence with the concrete means described in embodiment mentioned later.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
(1st Embodiment)
FIG. 1 shows an example of a concentrating solar power generation device. In FIG. 1, the apparatus main body is provided with four concentrating solar cell panels 2A to 2D. 1). Each of the solar cell panels 2A to 2D is a rectangular box, and is supported by the gantry 1 on the same plane so that the whole is substantially rectangular. Each of the solar cell panels 2A to 2D is constituted by a plurality of solar cell modules 21. Each of the solar cell modules 21 has a rectangular converging Fresnel lens 211 on the surface thereof, and a solar cell at a lens focal position inside. (Not shown).
[0010]
As shown in FIG. 2, a bearing mechanism 3 is installed at the upper end of the column of the gantry 1. The bearing mechanism 3 has a substantially U-shaped bearing piece 31 provided at an angle, and a bearing block 32 is located in the inner space of the bearing piece 31. Shafts 33 (only one is shown) protruding from both side surfaces of the bearing block 32 are rotatably supported on both side walls 311 of the bearing piece 31, and the bearing block 32 is orthogonal to the shaft body 33. The shaft body 34 is rotatably supported by penetrating in the direction. Support frames 4A and 4B (only one is shown in FIG. 2) are attached to both ends of the shaft body 34, respectively. The support frame 4A is a triangular frame, and a cylindrical sheath 41 provided at the center of the long side thereof is fitted to the shaft 34. The support frames 4A and 4B are further divided into two triangular regions by a partition frame 42. As will be described in detail later, three support protrusions 44 provided on the bottom surface in bottomed support cylinders 44 provided at the corners of each triangular region. The solar cell panels 2A, 2B and 2C, 2D are mounted by inserting the adjusting legs 22 respectively. The support frame 4A is provided with a sun tracking sensor 43 described in detail later.
[0011]
The axis of the shaft 33 is adjusted in accordance with the latitude of the place where the gantry 1 is installed, and the azimuth rotation axes of the solar cell panels 2A to 2D supported and rotated by the shaft 33 as described later. Is approximately parallel to the Earth's axis of rotation. A drive shaft 5 having flexible joints 51 and 52 (FIG. 1) at both ends is connected to the shaft 33 via the joint 51, and the other end of the drive shaft 5 is connected via the flexible joint 52. And is connected to an output shaft 531 of the drive motor 53. The drive motor 53 is supported on a gantry 54 provided on the substrate P. The tilt adjustment of the shaft 33 to make it parallel to the earth's rotation axis can be performed optically using a gimbal mirror or the like attached to the end of the shaft 33 with the drive shaft 5 removed. Can be done with precision.
[0012]
FIG. 3 shows details of the bearing mechanism 3. A drive motor 55 is provided on the bearing block 32, and an output shaft of the drive motor 55 is connected to a circular gear 57 by a worm gear 56 provided thereon. The driving force of the driving motor 55 is transmitted to a large-diameter circular gear 59 fixed to the outer periphery of the shaft body 34 via a circular gear 58 coaxial with the circular gear 57.
[0013]
With such a structure, by driving the drive motor 55 to rotate the solar cell panels 2A to 2D around the shaft 34, the zenith angle of the normal to the panel surface (hereinafter simply referred to as the zenith of the solar cell panel) Angle can be independently changed, and by driving the drive motor 53 to rotate the solar cell panels 2A to 2D around the shaft 33, the azimuth of the normal to the panel surface (hereinafter referred to as the , Simply referred to as the azimuth of the solar cell panel). The substrate P (FIG. 2) is set so that the rotation axis of the shaft 33 is parallel to the earth rotation axis. The rotation angles of the shaft bodies 33 and 34 are detected by a rotary encoder (not shown) attached thereto. The drive motors 53 and 55 are controlled so that the sun spot light is incident on a center position on a detection surface of the sun tracking sensor 43, which will be described later, whereby the sun tracking sensor 43 and the solar cell panels 2A to 2D are controlled. Is always pointed in the direction of the sun.
[0014]
FIG. 4 shows the appearance of a sun tracker ST provided with a sun tracking sensor 43. The sun tracking sensor 43 has a cylindrical housing, and a lid 45 provided with a pinhole 431 at the center is covered at the upper end opening of the housing. The lid 45 is screwed to the opening edge of the housing so that the lid 45 can be adjusted and moved in a predetermined range in the horizontal direction. The lower end opening of the housing is joined to the substrate 46, and the sensor element 47 is joined to the surface of the substrate 46 in the lower end opening facing the pinhole 431. As shown in FIG. 5, the sensing surface 47a of the sensor element 47 is divided into four regions A to D along the north-south line and the east-west line, and an output corresponding to the amount of light incident on each region is output from each region. Be emitted. In FIG. 4, an omnidirectional level 48 is provided on a substrate 46. The level 48 is provided with a circular glass container 482 enclosing a bubble WB at the center of a rectangular plate 481, and the inclination of the plate 481 can be changed by adjusting screws 483 at four corners.
[0015]
As shown in FIG. 6, a sun tracking sensor 43 and a level 48 are integrated on a surface plate 62 which is provided with an omnidirectional level 61 composed of a circular glass container 611 in which bubbles WB are sealed and which is adjusted to a horizontal position. Is placed. The light output device 63 outputs the laser light output from the laser light source 631 as a large diameter and parallel adjustment light L1 by a beam expander including a pair of convex lenses 632 and 633, and the adjustment light L1 is a reflecting mirror. The light 64 is reflected toward the sun tracking sensor 43 below. The adjustment light L <b> 1 reflected by the reflecting mirror 64 is perpendicularly incident on the surface plate 62. This is because the mirror 65 is placed on the surface plate 62 as shown by the chain line in FIG. 6, and the adjustment light L2 output from the light output device 63 and sent from the reflecting mirror 64 toward the mirror 65 follows the same path. This is realized by adjusting the angle of the mirror 64 so that the light passes through the pinhole of the shielding plate 634 provided between the convex lenses 632 and 633 of the light output device 63 again. Next, the adjustment light L1 vertically reflected by the reflecting mirror 64 toward the surface plate 62 passes through the pinhole 431 (FIG. 4) of the sun tracking sensor 43, and becomes the detection surface 47a (FIG. 5) as spot light L4. The position of the lid 45 is appropriately moved in the horizontal direction and adjusted so as to be incident on the upper center position. At this time, the inclination of the plate body 481 is adjusted with the adjusting screw 483 so that the bubble WB of the level 48 comes to the center position of the glass container 482.
[0016]
On the other hand, adjustment of the solar cell panels 2A to 2D is performed as follows. That is, as shown in FIG. 7, the solar cell panel 2A is placed on the surface plate 66, and the adjustment light L1 output from the light output device 63 is transmitted to the surface plate 62 by the mirror 64 whose angle has been adjusted by the above-described adjustment method. The light is reflected perpendicularly to the light-collecting Fresnel lens 211 of the solar cell module 21. The length of each adjustment leg 22 is adjusted by adjusting the length of each adjustment leg 22 so that the adjustment light L1 collected by the Fresnel lens 211 is incident on the center of the upper end surface of the secondary collector 213 provided on the solar cell 212. The inclination of the battery panel 2A is adjusted in advance. The same applies to solar cell panels 2B to 2C. In this case, the surface plate 66 does not necessarily need to be in a horizontal posture.
[0017]
The leveling device 7 shown in FIG. 8 has an omnidirectional level 72 having the above-described structure mounted on a substrate 71, and the substrate 71 has the same spacing as the adjustment legs 22 of the solar cell panels 2A to 2D. Three adjustment legs 73 project downward. As shown in the figure, such a level device 7 is placed on a surface plate 62 provided with an omnidirectional level 61 and adjusted in a horizontal posture, so that the bubbles WB of the level 72 come to the center position of the glass container 721. First, the inclination of the substrate 71 is adjusted by the adjusting legs 73.
[0018]
When installing the solar cell panels 2A to 2D on the gantry, as shown in FIG. 9, the solar tracker ST provided with the sun tracking sensor 43 integrated with the level 48 on the support frame 4A of the gantry 1 is installed. The attitude of the gantry 1 is changed and adjusted so that the bubble WB of the level 48 comes to the center of the glass container 481. As a result, the sun tracking sensor 43 is placed upright on the horizontal plane, and the spotlight L4 (FIG. 5) formed by passing sunlight incident from vertically above through the pinhole 431 (FIG. 4) is detected. The light enters the center position on 47a. In this state, the adjusting leg 73 is inserted into each support tube 44 as shown in FIG. 9 and the level device 7 is placed on the support frame 4A. The support cylinder 44 is screwed into a screw hole provided in the support frame 4A, and can be moved up and down by rotating the support cylinder 44 forward and backward. Therefore, the bubbles WB of the level 72 of the leveling device 7 are brought to the center position of the glass container 721 by appropriately moving each support cylinder 44 up and down to change the height of the bottom wall. Thus, the mounting surface formed by connecting the bottom walls of the support cylinders 44 becomes horizontal. This adjustment is performed for all the support cylinders 44 that support the solar cell panels 2A to 2D.
[0019]
As shown in FIG. 10, the support legs 22 are inserted into the support tubes 44 thus adjusted, and the solar cell panel 2A is placed on the support frame 4A, and is fixed by penetrating the support frame 4A from below. Screws 49 are screwed into the panel bottom to fix solar cell panel 2A. As a result, sunlight incident from the vertical direction perpendicular to the mounting surface is condensed by the Fresnel lens 211 of each solar cell module 21 (FIG. 7) in the solar cell panel 2A, and is condensed on the secondary concentrator 213. The light is incident on the center of the end face, and is uniformly incident on the solar cell 212 while being internally reflected in the secondary light collector 213. In the concentrator photovoltaic power generator adjusted in this way, the attitude of the support frames 4A and 4B is controlled by the drive motors 53 and 55 so that the sun spot light L4 is always located at the center of the detection surface 47a of the sun tracking sensor 43. In this case, the sunlight satisfactorily enters the solar cells 212 in each of the solar cell modules 21 disposed on the solar cell panels 2A to 2D, thereby realizing efficient power generation.
[0020]
According to the installation method described in the present embodiment, the position of the solar cell panel can be surely adjusted even in a state where the sunlight is weak such as rainy weather, and the installation adjustment can be performed in a state where the tracking operation of the sun tracking base is stopped. Because it can, there is no need to take undue care during installation. In addition, if a solar cell panel whose inclination is adjusted on a surface plate is prepared in advance, a failed solar cell panel can be promptly replaced and installed without performing on-site adjustment.
[0021]
(2nd Embodiment)
The sun tracker ST may have the structure shown in FIG. That is, in the solar tracker ST shown in FIG. 11, instead of providing the adjusting screw 483 (FIG. 4) on the level 48 as in the first embodiment, the level 48 is fixed on the substrate 46, and Adjustment screws 461 are provided at the four corners to change the inclination of the entire substrate 46. With such a structure, the same effect as in the first embodiment can be obtained.
[0022]
(Third embodiment)
FIG. 12 shows still another structure of the sun tracker ST. In the present embodiment, the lid 45 of the sun tracking sensor 43 is fixed to the housing. The level of both the level 48 and the substrate 46 can be changed and adjusted with the adjusting screws 483 and 461. With such a structure, the same effect as in the first embodiment can be obtained.
[0023]
【The invention's effect】
As described above, according to the installation method of the present invention, the installation adjustment of the solar cell panel can be performed regardless of the presence or absence of sunlight, and the installation work does not require excessive attention.
[Brief description of the drawings]
FIG. 1 is a side view of a concentrating solar power generation device according to a first embodiment of the present invention.
FIG. 2 is a partially exploded perspective view of the concentrating solar power generation device.
FIG. 3 is a perspective view of a bearing mechanism.
FIG. 4 is a perspective view of a sun tracker.
FIG. 5 is a front view of a sensor unit of the sun tracking sensor.
FIG. 6 is a side view showing an adjustment method of the sun tracker.
FIG. 7 is a side view showing a method for adjusting a solar cell panel.
FIG. 8 is a side view showing a method of adjusting the level device. FIG. 9 is a sectional view of the sun tracking gantry at the time of adjustment.
FIG. 10 is an enlarged sectional view of a solar cell panel support.
FIG. 11 is a side view of a level device according to a second embodiment of the present invention.
FIG. 12 is a side view of a level device according to a third embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Sun tracking stand, 2A, 2B, 2C, 2D ... Solar cell panel, 212 ... Solar cell, 22 ... Support leg, 43 ... Sun tracking sensor, 44 ... Support cylinder, 47a ... Detection surface, 48 ... Level, 62: horizontal surface plate, 7: level device, L1: parallel light, L4: sun spot light.

Claims (2)

太陽電池パネルを載置する太陽追尾架台であって、前記太陽電池パネルを載置する載置面の姿勢を調整する機構を備えたことを特徴とする太陽追尾架台。What is claimed is: 1. A sun tracking base for mounting a solar cell panel, comprising: a mechanism for adjusting a posture of a mounting surface on which the solar cell panel is mounted. 請求項１に記載の太陽追尾架台を使用した集光式太陽光発電装置であって、前記太陽追尾架台上に設けた太陽追尾センサの検出面上の所定位置に太陽スポット光が入射するように前記太陽追尾架台の姿勢を制御するようにした集光式太陽光発電装置において、水平定盤上に前記太陽追尾センサを置いて、前記水平定盤に対して垂直に入射するスポット光を前記太陽追尾センサの検出面上の前記所定位置に入射させ、この状態で前記太陽追尾センサに付設された第１水準器が所定の指示位置を示すように調整するステップと、定盤上に集光式太陽電池パネルを置いて、定盤に対して垂直に入射する平行光が前記集光式太陽電池パネルに内設された太陽電池セルの受光面上に集光されるように前記集光式太陽電池パネルの姿勢を調整するステップと、前記太陽追尾架台上に前記太陽追尾センサを設置して前記第１水準器が前記所定の指示位置を示すように前記太陽追尾架台の姿勢を調整するステップと、第２水準器によって前記載置面を水平姿勢に調整して、当該載置面上に、前記姿勢が調整された前記集光式太陽電池パネルを載置するステップとを具備する集光式太陽光発電装置の太陽電池パネルの設置方法。A concentrating solar power generation apparatus using the sun tracking gantry according to claim 1, wherein a sun spot light is incident on a predetermined position on a detection surface of a sun tracking sensor provided on the sun tracking gantry. In the concentrator photovoltaic power generator configured to control the attitude of the sun tracking gantry, the sun tracking sensor is placed on a horizontal surface plate, and the spot light that is vertically incident on the horizontal surface plate is exposed to the sun. Making the light incident on the predetermined position on the detection surface of the tracking sensor, and adjusting the first level attached to the sun tracking sensor to indicate a predetermined designated position in this state; A solar cell panel is placed, and the condensing type solar cell is arranged such that parallel light incident perpendicularly to a surface plate is condensed on a light receiving surface of a solar cell provided in the concentrating type solar cell panel. Steps to adjust battery panel attitude Installing the sun tracking sensor on the sun tracking gantry and adjusting the attitude of the sun tracking gantry so that the first level indicates the predetermined designated position; Adjusting the surface to a horizontal position, and mounting the concentrating solar cell panel whose position has been adjusted on the mounting surface. Installation method.
JP2003019611A 2003-01-29 2003-01-29 Method for installing solar panel of concentrating solar power generation device Expired - Fee Related JP4253194B2 (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
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JP2009038311A (en) * 2007-08-03 2009-02-19 Shinko Seisakusho Co Ltd Sunlight incident direction sensor, sunlight tracking device, and solar power generating device
JP2014070468A (en) * 2012-10-01 2014-04-21 Sharp Corp Photovoltaic power generation device, method of detecting positional deviation of photovoltaic power generation device, and method for constructing photovoltaic power generation device
JP2015127799A (en) * 2013-11-27 2015-07-09 株式会社半導体エネルギー研究所 Display device and display device frame
JP2017227408A (en) * 2016-06-24 2017-12-28 株式会社ＳｏｌａｒＦｌａｍｅ Heliostat device
WO2017222026A1 (en) * 2016-06-24 2017-12-28 株式会社ＳｏｌａｒＦｌａｍｅ Heliostat apparatus and solar power generation method
JP2017229195A (en) * 2016-06-24 2017-12-28 株式会社ＳｏｌａｒＦｌａｍｅ Photovoltaic power generation method
CN112503476A (en) * 2020-11-10 2021-03-16 河北地质大学 Novel underground space sunshine conduction device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009038311A (en) * 2007-08-03 2009-02-19 Shinko Seisakusho Co Ltd Sunlight incident direction sensor, sunlight tracking device, and solar power generating device
JP2014070468A (en) * 2012-10-01 2014-04-21 Sharp Corp Photovoltaic power generation device, method of detecting positional deviation of photovoltaic power generation device, and method for constructing photovoltaic power generation device
JP2015127799A (en) * 2013-11-27 2015-07-09 株式会社半導体エネルギー研究所 Display device and display device frame
JP2017227408A (en) * 2016-06-24 2017-12-28 株式会社ＳｏｌａｒＦｌａｍｅ Heliostat device
WO2017222026A1 (en) * 2016-06-24 2017-12-28 株式会社ＳｏｌａｒＦｌａｍｅ Heliostat apparatus and solar power generation method
JP2017229195A (en) * 2016-06-24 2017-12-28 株式会社ＳｏｌａｒＦｌａｍｅ Photovoltaic power generation method
CN112503476A (en) * 2020-11-10 2021-03-16 河北地质大学 Novel underground space sunshine conduction device
CN112503476B (en) * 2020-11-10 2023-01-24 河北地质大学 Underground space sunlight conduction device

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