JP5894211B2 - Solar power panel installation structure - Google Patents

Solar power panel installation structure Download PDF

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JP5894211B2
JP5894211B2 JP2014080701A JP2014080701A JP5894211B2 JP 5894211 B2 JP5894211 B2 JP 5894211B2 JP 2014080701 A JP2014080701 A JP 2014080701A JP 2014080701 A JP2014080701 A JP 2014080701A JP 5894211 B2 JP5894211 B2 JP 5894211B2
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power generation
mirror
generation panel
sunlight
photovoltaic power
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JP2015202007A (en
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賢市 近藤
賢市 近藤
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JAPAN-CHINA EAST NORTH PRODUCTS CO., LTD.
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    • 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
    • Y02B10/10—Photovoltaic [PV]
    • 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

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Description

この発明は、主に一般家屋の窓等に太陽光発電パネルを設置する際の設置構造に関する。   The present invention mainly relates to an installation structure for installing a photovoltaic power generation panel on a window or the like of a general house.

再生可能エネルギーの一つとして、太陽光発電の利用が近年拡大しつつある。この太陽光発電の一形態として、広大な敷地に多数の太陽光発電パネルを設けたメガソーラの開発が進められている。このメガソーラに用いる太陽光発電パネル１０は、図５に示すように、直列に接続した複数の太陽電池のセル１１を枠体１２内に並べて配置し、このセル１１全体を覆うように保護用のガラス板１３を設置することによって構成されている。この枠体１２は所定角度に傾斜した状態で、支持台１４によって支持される。   As one of the renewable energies, the use of solar power generation has been expanding in recent years. As one form of this solar power generation, a mega solar system in which a large number of solar power generation panels are provided on a vast site is being developed. As shown in FIG. 5, the photovoltaic power generation panel 10 used for this mega solar has a plurality of solar cells 11 connected in series arranged in a frame 12 for protection, and covers the entire cell 11 for protection. It is configured by installing a glass plate 13. The frame 12 is supported by the support 14 in a state where the frame 12 is inclined at a predetermined angle.

冬季に降雪が見られる地域においては、積雪によってガラス板１３に数百キログラムから数トンの荷重が加わることがある。この際にガラス板１３や支持台１４が破損するのを防止するために、ガラス板１３の板厚を厚くしたり、支持台１４を非常に頑丈に設計したりして強度向上を図る必要があり、設置コストが高額になる問題がある。また、融雪剤を用いてガラス板１３に積もった雪を融かすことも考えられるが、融雪剤は一般的に腐食性を有することから、一般的に金属からなる枠体１２が腐食し、太陽光発電パネル１０の寿命が短くなる問題もある。   In an area where snowfall is observed in winter, a load of several hundred kilograms to several tons may be applied to the glass plate 13 due to snow accumulation. In this case, in order to prevent the glass plate 13 and the support base 14 from being damaged, it is necessary to increase the strength by increasing the thickness of the glass plate 13 or designing the support base 14 to be very sturdy. There is a problem that the installation cost is high. It is also conceivable to melt snow accumulated on the glass plate 13 using a snow melting agent. However, since the snow melting agent is generally corrosive, the metal frame 12 is generally corroded and the sun is melted. There is also a problem that the lifetime of the photovoltaic panel 10 is shortened.

太陽光発電パネルの設置構造の他例として、例えば、特許文献１、２等においては、ビルの側壁に太陽光発電パネルを垂直に設ける構成が示されている。このように垂直に設けることにより、太陽光発電パネル上への積雪問題は生じないため、ガラス板等の周辺設備の強度向上を図る必要がない。しかも、上記のメガソーラ用の太陽光発電パネル１０と比較して、メンテナンス、ゴミ等による汚れの掃除の簡素化を図ることができ、太陽光発電パネルの設置コストを大幅に抑制して、その実用化を促進することができる。   As another example of the installation structure of the solar power generation panel, for example, Patent Documents 1 and 2 and the like show a configuration in which the solar power generation panel is provided vertically on the side wall of a building. By providing it vertically as described above, the problem of snow accumulation on the photovoltaic power generation panel does not occur, so it is not necessary to improve the strength of peripheral equipment such as a glass plate. Moreover, compared with the above-mentioned mega solar photovoltaic power generation panel 10, it is possible to simplify the cleaning of dirt due to maintenance, dust, etc., greatly reducing the installation cost of the photovoltaic power generation panel, and its practical use Can be promoted.

特開２００１−３３９０８８号公報JP 2001-339088 A 特開２００２−２１２３１号公報JP 2002-21231 A

特許文献１、２に係る太陽光発電パネルは、ビルの外壁に問題なく適用することができるが、一般家屋の窓等には適用できない場合がある。その理由として、ビルの外壁は、一般的に平坦であって、太陽光を遮る構造物がないのに対して、一般家屋においては、建物から張り出して設けられた屋根や庇によって、太陽光の一部が遮蔽されることがあるためである。太陽光発電パネルを構成する複数のセルは、上述したように直列に接続されており、複数のセルのうち一部のセルに太陽光が照射されない場合、その太陽光発電パネル全体としての発電効率が低下するのみならず、太陽光が照射されないセルが電流の抵抗として作用し、発熱による損傷等の問題が生じることがある。   The solar power generation panels according to Patent Documents 1 and 2 can be applied to the outer wall of a building without any problem, but may not be applied to a window or the like of a general house. The reason for this is that the outer wall of a building is generally flat and has no structure that blocks sunlight, whereas in a general house, the roof or fence overhanging the building can prevent sunlight. This is because a part may be shielded. The plurality of cells constituting the photovoltaic power generation panel are connected in series as described above, and when some of the plurality of cells are not irradiated with sunlight, the power generation efficiency of the entire photovoltaic power generation panel In addition to a decrease in the number of cells, cells that are not irradiated with sunlight act as current resistance, which may cause problems such as damage due to heat generation.

そこで、この発明は、一般家屋等の建物に設けた太陽光発電パネルの全体に太陽光を照射することを課題とする。   Then, this invention makes it a subject to irradiate sunlight to the whole photovoltaic power generation panel provided in buildings, such as a general house.

上記の課題を解決するため、この発明は、垂直に起立して設置された太陽光発電パネルと、前記太陽光発電パネルの下方に設けられ太陽光を上方に向けて反射する反射面が凸面状の第一ミラーと、前記第一ミラーによって反射された太陽光を前記太陽光発電パネルに向けて反射する反射面が凹面状の第二ミラーと、を有し、前記太陽光発電パネルの下端部領域に屋根によって遮られなかった太陽光を直接入射し、前記太陽光発電パネルの全領域に前記第一ミラーで反射された太陽光を入射し、前記太陽光発電パネルの上端部領域にさらに第二ミラーで反射された太陽光を入射し、前記太陽光発電パネル上に直接入射光及び複数の反射光が重ね合わさるように入射する太陽光発電パネルの設置構造を構成した。 In order to solve the above-described problems, the present invention provides a photovoltaic power generation panel installed upright, and a reflection surface provided below the photovoltaic power generation panel and reflecting sunlight upward. a first mirror, the reflecting surface for reflecting the reflected sunlight to the solar panels by the first mirror is closed and concave second mirror, the lower end portion of the solar panels The sunlight that is not blocked by the roof is directly incident on the area, the sunlight that is reflected by the first mirror is incident on the entire area of the photovoltaic panel, and further the upper end area of the photovoltaic panel is further increased. A solar power generation panel installation structure was configured in which sunlight reflected by two mirrors was incident and incident so that incident light and a plurality of reflected light were superimposed on the solar power generation panel.

このように、第一及び第二ミラーを設けることにより、例えば、建物の屋根によって太陽光が遮蔽され、太陽光発電パネルの上部側（屋根に近い側）に太陽光が直接照射されない場合においても、その上部側をミラーによって反射された反射光で間接的に照射して、太陽光発電パネルの全体で発電させることができる。しかも、２枚のミラーを組み合わせることで、第一ミラーで反射した太陽光を無駄にすることなく第二ミラーで反射して、太陽光発電パネルの全体を照射することができ、その発電効率を一段と高めることができる。太陽光をできるだけ無駄なく太陽光発電パネルに照射し得る限りにおいて、第一及び第二ミラーは凹面状又は凸面状のいずれの形状とすることもできる。   Thus, by providing the first and second mirrors, for example, sunlight is shielded by the roof of the building, and even when the upper side of the photovoltaic power generation panel (side near the roof) is not directly irradiated with sunlight. The upper side can be indirectly irradiated with the reflected light reflected by the mirror, so that the entire photovoltaic power generation panel can generate power. Moreover, by combining the two mirrors, the sunlight reflected by the first mirror can be reflected by the second mirror without wasting it, and the entire photovoltaic power generation panel can be irradiated, and the power generation efficiency can be improved. It can be further enhanced. As long as sunlight can be irradiated onto the photovoltaic power generation panel with as little waste as possible, the first and second mirrors can have either a concave shape or a convex shape.

前記構成においては、前記第一ミラー又は前記第二ミラーの少なくとも一方が、複数の平面ミラーを隣り合わせて連結したものである構成とすることができる。   In the above configuration, at least one of the first mirror and the second mirror may be configured by connecting a plurality of plane mirrors adjacent to each other.

このように、第一ミラー又は第二ミラーを複数の平面ミラーで構成することにより、時間が経過して太陽光の入射角と太陽光発電パネルの向きの関係が変化したとしても、第一ミラー又は第二ミラーの全体としての曲率を自在に変えることができ、太陽光の入射角に関わらず高い発電効率を得ることができる。   As described above, by configuring the first mirror or the second mirror with a plurality of plane mirrors, even if the relationship between the incident angle of sunlight and the direction of the photovoltaic power generation panel changes over time, the first mirror Alternatively, the curvature of the entire second mirror can be freely changed, and high power generation efficiency can be obtained regardless of the incident angle of sunlight.

前記各構成においては、前記太陽光発電パネルを２枚のガラス板を対向して設けた２重ガラスの内部に進退自在とし、発電時には前記太陽光発電パネルを前記２重ガラス内に位置させる一方で、非発電時には前記太陽光発電パネルを前記２重ガラス外に退去させる構成とすることができる。   In each of the above-described configurations, the photovoltaic power generation panel can be moved forward and backward within a double glass provided with two glass plates facing each other, and the photovoltaic power generation panel is positioned in the double glass during power generation. Thus, the solar power generation panel can be moved out of the double glass during non-power generation.

このように、太陽光発電パネルを２重ガラスの内部に収納自在とすることにより、発電時には太陽光発電パネルを２重ガラスによって保護してその破損を防ぐ一方で、非発電時には太陽光発電パネルを２重ガラス外に退去することにより、２重ガラスのガラス板を通して、太陽光を室内に取り込むことができる。   In this way, by making the photovoltaic power generation panel storable inside the double glass, the photovoltaic power generation panel is protected by the double glass during power generation to prevent breakage, while the photovoltaic power generation panel is not used during power generation. By leaving the outside of the double glass, sunlight can be taken into the room through the glass plate of the double glass.

この２重ガラスを採用する構成においては、前記２枚のガラス板のうち屋外側のガラス板の表面に、両面を鏡面とした第三ミラーを設ける構成とすることができる。   In the configuration employing the double glass, a third mirror having both surfaces as mirror surfaces can be provided on the surface of the glass plate on the outdoor side of the two glass plates.

このように、第三ミラーを設けることにより、第一及び第二ミラーとの間の反射をより効率的に行うとともに、太陽光発電パネルの表面で反射された太陽光を再度太陽光発電パネルに向けて反射させることができ、より高い発電効率を達成することができる。   Thus, by providing the third mirror, the reflection between the first and second mirrors is more efficiently performed, and the sunlight reflected on the surface of the photovoltaic panel is again transmitted to the photovoltaic panel. It can be reflected toward the front, and higher power generation efficiency can be achieved.

この発明に係る構成においては、建物の窓等に垂直に起立して設置された太陽光発電パネルに、第一ミラーと第二ミラーで反射した太陽光を照射する構成を採用した。このように複数のミラーを用いることにより、この建物の屋根等によって太陽光発電パネルの一部に太陽光が直接照射されない状態においても、その直接照射されない箇所に、ミラーからの反射光を間接的に照射することにより、高い発電効率を得ることができる。   In the structure which concerns on this invention, the structure which irradiates the sunlight reflected with the 1st mirror and the 2nd mirror to the solar power generation panel installed standing upright perpendicularly to the window etc. of a building was employ | adopted. By using a plurality of mirrors in this way, the reflected light from the mirror is indirectly applied to the part that is not directly irradiated even in a state where sunlight is not directly applied to a part of the photovoltaic power generation panel by the roof of this building. High power generation efficiency can be obtained by irradiating.

本願発明に係る太陽光発電パネルの設置構造の実施形態を示す側面図The side view which shows embodiment of the installation structure of the photovoltaic power generation panel which concerns on this invention 第一ミラーの変形例を示す縦断面図であって、（ａ）は反射面を凸面状とした状態、（ｂ）は反射面を凹面状とした状態It is a longitudinal cross-sectional view which shows the modification of a 1st mirror, Comprising: (a) is the state which made the reflective surface convex, (b) is the state which made the reflective surface concave. 太陽光発電パネルを２重ガラスの内部に収納した状態を示し、（ａ）は縦断面図、（ｂ）は正面図The state which accommodated the photovoltaic power generation panel in the inside of double glass is shown, (a) is a longitudinal cross-sectional view, (b) is a front view. ２重ガラスの表面に第三ミラーを設けた状態を示す縦断面図Longitudinal sectional view showing a state in which a third mirror is provided on the surface of double glass メガソーラに用いられる一般的な太陽光発電パネルを示す斜視図Perspective view showing a general photovoltaic power generation panel used in a mega solar

本願発明に係る太陽光発電パネルの設置構造の実施形態を図１に示す。この設置構造は、一般家屋等の建物Ｈの窓に垂直に起立して設置された太陽光発電パネル１と、この太陽光発電パネル１の下方に設けられ、太陽光Ｌを上方に向けて反射する第一ミラー２と、第一ミラー２によって反射された太陽光Ｌを太陽光発電パネル１に向けて反射する第二ミラー３と、を備えている。第一ミラー２は反射面（上面）が凸面状に、第二ミラー３は反射面（下面）が凹面状となっている。   Embodiment of the installation structure of the solar power generation panel which concerns on this invention is shown in FIG. This installation structure includes a photovoltaic power generation panel 1 installed upright vertically on a window of a building H such as a general house, and a solar power generation panel 1 provided below the solar power generation panel 1 and reflecting sunlight L upward. And a second mirror 3 that reflects the sunlight L reflected by the first mirror 2 toward the photovoltaic power generation panel 1. The first mirror 2 has a convex reflecting surface (upper surface), and the second mirror 3 has a concave reflecting surface (lower surface).

太陽から照射される太陽光Ｌの一部は建物Ｈの屋根Ｒによって遮られ、屋根Ｒによって遮られなかった太陽光Ｌは、太陽光発電パネル１のＡ１を付した領域に直接入射する。第一ミラー２のＢ１を付した領域に入射した太陽光Ｌは、この第一ミラー２で反射されて、太陽光発電パネル１のＡ２を付した領域に入射する。また、第一ミラーのＢ２を付した領域に入射した太陽光Ｌは、上方に反射された後にさらに第二ミラー３で反射されて、太陽光発電パネル１のＡ３を付した領域に入射する。このように、太陽光発電パネル１上に直接入射光及び複数の反射光が重ね合わさるように入射することにより、屋根Ｒによる太陽光Ｌの遮蔽の影響を極力小さくして（太陽光発電パネル１上に屋根Ｒの影が生じるのを防いで）、発電効率の向上を図ることができる。 Some of sunlight L emitted from the sun is blocked by the roof R of a building H, sunlight L which have not been blocked by the roof R is incident directly to the area marked with A 1 of photovoltaic panels 1. The sunlight L that has entered the region of B 1 of the first mirror 2 is reflected by the first mirror 2 and enters the region of the photovoltaic power generation panel 1 that has A 2 attached thereto. Further, the sunlight L incident on the region of the first mirror with B 2 is reflected upward and then reflected by the second mirror 3 to enter the region of the photovoltaic power generation panel 1 with A 3. To do. In this way, the incident light and the plurality of reflected lights are directly incident on the photovoltaic power generation panel 1 so that the influence of the shielding of the sunlight L by the roof R is minimized (the photovoltaic power generation panel 1). It is possible to prevent the shadow of the roof R from occurring on the top) and to improve the power generation efficiency.

第一ミラー２又は第二ミラー３は、図２に示すように、複数の小型の平面ミラー２ａを隣合せて連結した構成とすることができる。本図（ａ）は、第一ミラー２の反射面を凸面状とした状態、本図（ｂ）は、第一ミラー２の反射面を凹面状とした状態を示す。このように複数の平面ミラー２ａで第一ミラー２等を構成すれば、太陽光Ｌの入射角に対応して、第一ミラー２等全体としての曲率を自在に変えることができ、太陽光Ｌの集光効率を向上するとともに、太陽光発電パネル１に入射した太陽光Ｌの均一性を高めることができる。各平面ミラー２ａ同士の相対角度を調節するためのアクチュエータ（図示せず）を併設することにより、予め設定した太陽光Ｌの入射角データに基づいて、各平面ミラー２ａの角度を自動調整することもできる。   As shown in FIG. 2, the first mirror 2 or the second mirror 3 may have a configuration in which a plurality of small planar mirrors 2 a are connected side by side. This figure (a) shows the state which made the reflective surface of the 1st mirror 2 convex, and this figure (b) shows the state which made the reflective surface of the 1st mirror 2 concave. If the first mirror 2 and the like are configured by a plurality of plane mirrors 2a in this way, the curvature of the first mirror 2 and the like as a whole can be freely changed according to the incident angle of the sunlight L, and the sunlight L In addition, it is possible to improve the uniformity of the sunlight L incident on the photovoltaic power generation panel 1. By automatically providing an actuator (not shown) for adjusting the relative angle between the respective plane mirrors 2a, the angle of each plane mirror 2a is automatically adjusted based on preset incident angle data of sunlight L. You can also.

図３に示すように、太陽光発電パネル１を２枚のガラス板４ａ、４ａを対向して設けた２重ガラス４の内部に進退自在に設けた構成とすることもできる。発電時には、太陽光発電パネル１を２重ガラス４内に位置させることにより、太陽光発電パネル１をガラス板４ａ、４ａによって保護して、その破損を防ぐことができる。その一方で、非発電時には、太陽光発電パネル１を２重ガラス４外に退去させる（例えば、窓に併設された戸袋に収納する）ことにより、２重ガラス４のガラス板４ａを通して、太陽光Ｌを室内に取り込むことができる。   As shown in FIG. 3, the photovoltaic power generation panel 1 may be configured to be capable of moving forward and backward inside a double glass 4 provided with two glass plates 4 a and 4 a facing each other. During power generation, the photovoltaic power generation panel 1 is positioned in the double glass 4 so that the photovoltaic power generation panel 1 can be protected by the glass plates 4a and 4a and can be prevented from being damaged. On the other hand, at the time of non-power generation, sunlight is passed through the glass plate 4a of the double glass 4 by moving the solar power generation panel 1 out of the double glass 4 (for example, storing it in a door pocket attached to the window). L can be taken into the room.

このように、２重ガラス４を採用する構成においては、図４に示すように、２枚のガラス板４ａ、４ａのうち屋外側のガラス板４ａの表面に、両面を鏡面とした第三ミラー５を設けることができる。第三ミラー５を設けることにより、第一及び第二ミラー２、３との間の反射をより効率的に行い、太陽光Ｌを無駄なく利用するともに、太陽光発電パネル１の表面で反射された太陽光Ｌを再度太陽光発電パネル１に向けて反射させることができ、さらなる発電効率の向上を図ることができる。   In this way, in the configuration employing the double glass 4, as shown in FIG. 4, a third mirror having both surfaces as mirror surfaces on the surface of the glass plate 4a on the outdoor side of the two glass plates 4a and 4a. 5 can be provided. By providing the third mirror 5, the reflection between the first and second mirrors 2 and 3 is performed more efficiently, and the sunlight L is used without waste and is reflected on the surface of the photovoltaic power generation panel 1. The solar light L can be reflected again toward the solar power generation panel 1, and the power generation efficiency can be further improved.

第一ミラー２及び第二ミラー３は、非発電時に取り外しておくことができる。取り外し自在とすることにより、非発電時に両ミラー２、３に接触してこれらを破損させたり、室内に両ミラー２、３からの反射光が入り込んで、室内の人が眩惑したりするのを防止することができる。   The first mirror 2 and the second mirror 3 can be removed during non-power generation. By making it removable, both mirrors 2 and 3 are touched and damaged during non-power generation, or reflected light from both mirrors 2 and 3 enters the room, causing indoor people to be dazzled. Can be prevented.

上記の実施形態はあくまでも一例であって、一般家屋等の建物Ｈに設けた太陽光発電パネル１の発電効率を向上する、という本願発明の課題を解決し得る限りにおいて、各ミラー２、３の大きさや配置構成等を適宜変更することができる。   The above embodiment is merely an example, and as long as the problem of the present invention of improving the power generation efficiency of the photovoltaic power generation panel 1 provided in a building H such as a general house can be solved, The size, the arrangement configuration, and the like can be changed as appropriate.

１ 太陽光発電パネル
２ 第一ミラー
２ａ 平面ミラー
３ 第二ミラー
４ ２重ガラス
４ａ ガラス板
５ 第三ミラー
Ｌ 太陽光 DESCRIPTION OF SYMBOLS 1 Solar power generation panel 2 1st mirror 2a Plane mirror 3 Second mirror 4 Double glass 4a Glass plate 5 Third mirror L Sunlight

Claims (4)

垂直に起立して設置された太陽光発電パネル（１）と、前記太陽光発電パネル（１）の下方に設けられ太陽光（Ｌ）を上方に向けて反射する反射面が凸面状の第一ミラー（２）と、前記第一ミラー（２）によって反射された太陽光（Ｌ）を前記太陽光発電パネル（１）に向けて反射する反射面が凹面状の第二ミラー（３）と、を有し、
前記太陽光発電パネル（１）の下端部領域（Ａ １ ）に屋根（Ｒ）によって遮られなかった太陽光（Ｌ）を直接入射し、前記太陽光発電パネル（１）の全領域（Ａ ２ ）に前記第一ミラー（２）で反射された太陽光（Ｌ）を入射し、前記太陽光発電パネル（１）の上端部領域（Ａ ３ ）にさらに第二ミラー（３）で反射された太陽光（Ｌ）を入射し、前記太陽光発電パネル（１）上に直接入射光及び複数の反射光が重ね合わさるように入射する太陽光発電パネルの設置構造。 A photovoltaic power generation panel (1) installed upright vertically, and a first reflective surface that is provided below the photovoltaic power generation panel (1) and reflects sunlight (L) upward. A mirror (2) and a second mirror (3) having a concave reflecting surface for reflecting sunlight (L) reflected by the first mirror (2) toward the photovoltaic power generation panel (1); I have a,
The sunlight (L) that is not blocked by the roof (R) is directly incident on the lower end region (A 1 ) of the photovoltaic panel (1), and the entire region (A 2 ) of the photovoltaic panel (1). ) Is reflected by the first mirror (2) and is reflected by the second mirror (3) on the upper end region (A 3 ) of the photovoltaic panel (1) . The installation structure of the photovoltaic power generation panel which inject | emits sunlight (L) and injects so that incident light and several reflected light may overlap on the said photovoltaic power generation panel (1) directly . 前記第一ミラー（２）又は前記第二ミラー（３）の少なくとも一方が、複数の平面ミラー（２ａ）を隣り合わせて連結したものである請求項１に記載の太陽光発電パネルの設置構造。   The installation structure of the photovoltaic power generation panel according to claim 1, wherein at least one of the first mirror (2) and the second mirror (3) is formed by connecting a plurality of plane mirrors (2a) next to each other. 前記太陽光発電パネル（１）を２枚のガラス板（４ａ、４ａ）を対向して設けた２重ガラス（４）の内部に進退自在とし、発電時には前記太陽光発電パネル（１）を前記２重ガラス（４）内に位置させる一方で、非発電時には前記太陽光発電パネル（１）を前記２重ガラス（４）外に退去させる請求項１又は２に記載の太陽光発電パネルの設置構造。   The solar power generation panel (1) can be moved forward and backward in a double glass (4) provided with two glass plates (4a, 4a) facing each other. Installation of the solar power generation panel according to claim 1 or 2, wherein the solar power generation panel (1) is moved out of the double glass (4) while being positioned in the double glass (4), while not generating power. Construction. 前記２枚のガラス板（４ａ、４ａ）のうち屋外側のガラス板（４ａ）の表面に、両面を鏡面とした第三ミラー（５）を設ける請求項３に記載の太陽光発電パネルの設置構造。   The installation of the photovoltaic power generation panel according to claim 3, wherein a third mirror (5) having mirror surfaces on both sides is provided on the surface of the glass plate (4a) on the outdoor side of the two glass plates (4a, 4a). Construction.
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