JP2012233315A - Installation structure of solar cell module - Google Patents

Installation structure of solar cell module Download PDF

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JP2012233315A
JP2012233315A JP2011100881A JP2011100881A JP2012233315A JP 2012233315 A JP2012233315 A JP 2012233315A JP 2011100881 A JP2011100881 A JP 2011100881A JP 2011100881 A JP2011100881 A JP 2011100881A JP 2012233315 A JP2012233315 A JP 2012233315A
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solar cell
cell module
cover portion
cover
installation structure
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JP5554282B2 (en
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Yoshiyuki Suganuma
良之 菅沼
Masayuki Ando
昌之 安藤
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Mitsubishi Electric Corp
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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

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Abstract

PROBLEM TO BE SOLVED: To provide an installation structure of a solar cell module that allows a wide installation area of the solar cell module to be ensured in an openable/closable covering structure while allowing improvement in amount of power generated by the entire solar cell module on the covering structure.SOLUTION: An installation structure of a solar cell module comprises a first cover portion 1 and a second cover portion 2 configured to be capable of covering a facility to be covered from above and having a solar cell module 4 placed thereon. The first cover portion 1 and the second cover portion 2 can be shifted to an opened state where at least a part of the facility is opened upward by moving at least one of the first cover portion 1 and the second cover portion 2 to cause the second cover portion 2 to be housed inside a cover of the first cover portion 1; and a closed state where the entire facility is closed above by the first cover portion 1 and the second cover portion 2. The second cover portion 2 includes a trestle 3 serving as a vertical displacement mechanism for vertically displacing the solar cell module 4.

Description

本発明は、太陽電池モジュールを設置するための構造に関する。   The present invention relates to a structure for installing a solar cell module.

太陽電池モジュールは、太陽光を電力へ直接変換する装置である。太陽電池モジュールは、十分な発電を可能とするために、設置面積を広く確保することが望ましい。また、例えば浄水場のろ過池には、藻の繁殖防止や異物の投げ込みへの対策として、覆蓋を設置することがある。従来、浄水場では、この覆蓋構造の上に太陽電池モジュールを設置することによる太陽光発電が試みられている。   The solar cell module is a device that directly converts sunlight into electric power. The solar cell module desirably has a large installation area in order to enable sufficient power generation. Moreover, for example, a cover may be installed in a filter pond of a water purification plant as a countermeasure against algae breeding prevention or throwing in foreign objects. Conventionally, in a water purification plant, solar power generation has been attempted by installing a solar cell module on the cover structure.

例えば、特許文献１には、互いに隣り合う覆蓋の大きさに差を持たせ、一方の覆蓋（上覆蓋部）の覆蓋内側に他方の覆蓋（下覆蓋部）を入り込ませる機構により開閉可能とされた太陽光発電覆蓋装置が提案されている。   For example, Patent Document 1 discloses that the sizes of adjacent cover covers are different from each other, and can be opened and closed by a mechanism in which the other cover (lower cover) is inserted inside the cover of one cover (upper cover). A solar power cover device has been proposed.

特許第３４２０５７９号公報Japanese Patent No. 3420579

従来の技術によると、下覆蓋部に設置される太陽電池モジュールは、上覆蓋部の下方に下覆蓋部を入り込ませるために、上覆蓋部に対して低い位置とされる。このため、上覆蓋部と下覆蓋部とを隣り合わせると、下覆蓋部の太陽電池モジュールには、上覆蓋部の影がかかる場合がある。太陽電池モジュールは、影のかかり方によっては、影がかかった面積相当分のみならず、影がかかっていない太陽電池や、他の太陽電池モジュールによる出力へも影響を及ぼし発電量の大幅な低下を引き起こすことがある。影がかかる部分を避けて太陽電池モジュールを設置すると、設置面積が少なくなる分、発電量が低下することとなる。   According to the conventional technique, the solar cell module installed in the lower cover lid is placed at a lower position than the upper cover lid so that the lower cover lid enters the lower cover lid. For this reason, when the upper cover part and the lower cover part are adjacent to each other, the solar cell module of the lower cover part may be shaded by the upper cover part. Depending on how the solar cell module is shaded, not only the area corresponding to the shaded area, but also the solar cell that is not shaded and the output from other solar cell modules are affected, resulting in a significant reduction in power generation. May cause. If the solar cell module is installed avoiding the shadowed part, the amount of power generation is reduced as the installation area is reduced.

本発明は、上記に鑑みてなされたものであって、開閉可能とする覆蓋構造において、太陽電池モジュールの設置面積を広く確保するとともに、覆蓋構造上の太陽電池モジュール全体による発電量を向上可能とする太陽電池モジュールの設置構造を得ることを目的とする。   The present invention has been made in view of the above, and in the cover structure that can be opened and closed, it is possible to secure a large installation area of the solar cell module and improve the power generation amount by the entire solar cell module on the cover structure. It aims at obtaining the installation structure of the solar cell module to perform.

上述した課題を解決し、目的を達成するために、本発明は、覆蓋対象とする施設の上方を覆蓋可能に構成され、太陽電池モジュールが載置される第１覆蓋部および第２覆蓋部を有し、前記第１覆蓋部および前記第２覆蓋部は、前記第１覆蓋部および前記第２覆蓋部の少なくとも一方の移動により、前記第１覆蓋部の覆蓋内側に前記第２覆蓋部が収納されて前記施設の少なくとも一部を上方に開放させた開放状態と、前記第１覆蓋部および前記第２覆蓋部によって前記施設全体を上方にて閉止させた閉止状態と、に移行可能であって、前記第２覆蓋部は、前記太陽電池モジュールを上下に変位させるための上下変位機構を備えることを特徴とする。   In order to solve the above-described problems and achieve the object, the present invention is configured to cover the upper part of the facility to be covered, and includes a first cover part and a second cover part on which the solar cell module is placed. The first cover part and the second cover part are accommodated inside the cover of the first cover part by movement of at least one of the first cover part and the second cover part. And at least a part of the facility is opened upward, and can be shifted to a closed state where the entire facility is closed upward by the first cover portion and the second cover portion. The second cover portion includes a vertical displacement mechanism for vertically displacing the solar cell module.

本発明によれば、第１覆蓋部および第２覆蓋部からなる覆蓋構造は、上下変位機構により第２覆蓋部の太陽電池モジュールを持ち上げ可能とすることで、第２覆蓋部の太陽電池モジュールに第１覆蓋部の影がかかることを抑制させる。また、覆蓋構造は、上下変位機構により持ち上げた太陽電池モジュールを元の高さにまで引き下げ可能とすることで、第１覆蓋部の内側に第２覆蓋部を入り込ませることを可能とする。これにより、覆蓋構造は、開閉可能な構成において太陽電池モジュールの設置面積を広く確保するとともに、発電量を向上させることができる。   According to the present invention, the cover structure including the first cover portion and the second cover portion can lift the solar cell module of the second cover portion by the vertical displacement mechanism, so that the solar cell module of the second cover portion can be lifted. The shadow of the first cover portion is suppressed. Further, the cover structure allows the second cover part to be inserted inside the first cover part by enabling the solar cell module lifted by the vertical displacement mechanism to be lowered to the original height. Thereby, the cover structure can improve the power generation amount while ensuring a large installation area of the solar cell module in a configuration that can be opened and closed.

図１は、本発明の実施の形態にかかる太陽電池モジュールの設置構造を適用する太陽光発電システムの概略構成を示す斜視図である。FIG. 1 is a perspective view showing a schematic configuration of a solar power generation system to which a solar cell module installation structure according to an embodiment of the present invention is applied. 図２は、図１に示す状態から第２覆蓋部上の太陽電池モジュールを下方に変位させた状態を示す図である。FIG. 2 is a diagram illustrating a state in which the solar cell module on the second cover portion is displaced downward from the state illustrated in FIG. 1. 図３は、第１覆蓋部の覆蓋内側に第２覆蓋部を収納した状態を示す図である。FIG. 3 is a diagram illustrating a state where the second cover portion is housed inside the cover portion of the first cover portion. 図４は、太陽電池モジュールを下方へ変位させる前の架台の状態を示す平面図である。FIG. 4 is a plan view showing a state of the gantry before the solar cell module is displaced downward. 図５は、太陽電池モジュールを下方へ変位させた後の架台の状態を示す平面図である。FIG. 5 is a plan view showing a state of the gantry after the solar cell module is displaced downward. 図６は、太陽電池モジュールの概略構成を示す平面模式図である。FIG. 6 is a schematic plan view showing a schematic configuration of the solar cell module. 図７は、上覆蓋部に対して低い位置の下覆蓋部に太陽電池モジュールを設置する従来の設置構造において、下覆蓋部上の太陽電池モジュールに上覆蓋部の影がかかった状態を表す図である。FIG. 7 is a diagram illustrating a state in which a shadow of the upper cover part is applied to the solar cell module on the lower cover part in a conventional installation structure in which the solar cell module is installed in the lower cover part at a lower position than the upper cover part. It is.

以下に、本発明にかかる太陽電池モジュールの設置構造の実施の形態を図面に基づいて詳細に説明する。なお、この実施の形態によりこの発明が限定されるものではない。   Hereinafter, embodiments of a solar cell module installation structure according to the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

実施の形態．
図１は、本発明の実施の形態にかかる太陽電池モジュールの設置構造を適用する太陽光発電システムの概略構成を示す斜視図である。太陽光発電システムは、太陽電池モジュールの設置構造である覆蓋装置と、太陽電池モジュール４とを備える。 Embodiment.
FIG. 1 is a perspective view showing a schematic configuration of a solar power generation system to which a solar cell module installation structure according to an embodiment of the present invention is applied. The solar power generation system includes a cover device that is a solar cell module installation structure, and a solar cell module 4.

覆蓋装置は、第１覆蓋部１、第２覆蓋部２および架台３を含めて構成されている。第１覆蓋部１および第２覆蓋部２は、覆蓋対象とする施設の上方を覆蓋可能に構成されている。覆蓋装置による覆蓋対象とする施設は、例えば、浄水場のろ過池等とする。   The cover device includes a first cover portion 1, a second cover portion 2, and a gantry 3. The 1st cover part 1 and the 2nd cover part 2 are comprised so that the upper side of the facility made into cover object can be covered. The facility to be covered by the cover device is, for example, a filtration pond of a water purification plant.

本実施の形態において、覆蓋装置は、二つの第１覆蓋部１と二つの第２覆蓋部２とを備えるものとしている。図１に示す第１覆蓋部１および第２覆蓋部２は、施設上方を閉止させた閉止状態であるものとする。閉止状態において、第１覆蓋部１および第２覆蓋部２は、一列となって交互に配置されている。なお、第１覆蓋部１および第２覆蓋部２の数は、それぞれ二つである場合に限られず、いくつであっても良いものとする。   In the present embodiment, the cover device includes two first cover portions 1 and two second cover portions 2. The 1st cover part 1 and the 2nd cover part 2 which are shown in FIG. 1 shall be in the closed state which made the facility upper part close. In the closed state, the first cover portion 1 and the second cover portion 2 are alternately arranged in a line. In addition, the number of the 1st cover part 1 and the 2nd cover parts 2 is not restricted to the case where each is two, but shall assume how many.

第１覆蓋部１および第２覆蓋部２は、屋根状の傾斜面をなす二つの天板５と、天板５を支持する二つの支持部６とを備える。架台３は、第２覆蓋部２の天板５上に取り付けられている。第２覆蓋部２の二つの支持部６の間隔は、第１覆蓋部１の二つの支持部６の間隔に比べて狭くされている。また、第２覆蓋部２の高さは、第１覆蓋部１に比べて全体的に低くされている。これにより、第２覆蓋部２は、第１覆蓋部１の覆蓋内側に収納可能とされている。   The first cover portion 1 and the second cover portion 2 include two top plates 5 that form a roof-like inclined surface, and two support portions 6 that support the top plate 5. The gantry 3 is attached on the top plate 5 of the second cover 2. The interval between the two support portions 6 of the second cover portion 2 is narrower than the interval between the two support portions 6 of the first cover portion 1. The height of the second cover portion 2 is generally lower than that of the first cover portion 1. Accordingly, the second cover portion 2 can be stored inside the cover portion of the first cover portion 1.

第２覆蓋部２は、第１覆蓋部１および第２覆蓋部２の並列方向について移動可能とされている。第１覆蓋部１および第２覆蓋部２は、第２覆蓋部２の移動によって、施設の少なくとも一部を上方に開放させた開放状態と、施設全体を上方にて閉止させた閉止状態とに移行可能とされている。覆蓋装置は、第１覆蓋部１の覆蓋内側に第２覆蓋部２を移動させることにより、閉止状態において第２覆蓋部２が覆蓋していた領域を開放させる。第２覆蓋部２の移動には、例えば、支持部６を摺動させるレール構造（図示省略）を使用する。レール構造は、例えば、ろ過池の辺縁部に沿って敷設されている。第２覆蓋部２の移動は、自動および手動のいずれによるものであっても良いものとする。   The second cover portion 2 is movable in the parallel direction of the first cover portion 1 and the second cover portion 2. The first cover portion 1 and the second cover portion 2 are divided into an open state in which at least a part of the facility is opened upward and a closed state in which the entire facility is closed upward by the movement of the second cover portion 2. Can be migrated. The cover device moves the second cover portion 2 to the inside of the cover of the first cover portion 1 to open the region covered by the second cover portion 2 in the closed state. For the movement of the second cover 2, for example, a rail structure (not shown) for sliding the support 6 is used. The rail structure is laid along the edge of the filtration pond, for example. The movement of the second cover 2 may be either automatic or manual.

架台３は、太陽電池モジュール４を上下に変位させるための上下変位機構として機能する。太陽電池モジュール４は、第１覆蓋部１の天板５上と、第２覆蓋部２の架台３上に載置されている。本実施の形態において、覆蓋装置は、例えば、天板５ごとに三枚の太陽電池モジュール４を設置している。なお、架台３は、天板５ごとに取り付けられ、三枚の太陽電池モジュール４を一括して上下に変位可能とされている。太陽電池モジュール４は、天板５に三枚ずつ設置される場合に限られない。太陽電池モジュール４は、各天板５上のできるだけ広範囲に設置されていれば良く、数や配置態様を適宜変更しても良い。   The gantry 3 functions as a vertical displacement mechanism for displacing the solar cell module 4 up and down. The solar cell module 4 is placed on the top plate 5 of the first cover portion 1 and the mount 3 of the second cover portion 2. In the present embodiment, the cover device is provided with, for example, three solar cell modules 4 for each top plate 5. Note that the gantry 3 is attached to each top plate 5 so that the three solar cell modules 4 can be displaced up and down collectively. The solar cell module 4 is not limited to the case where three pieces are installed on the top plate 5. The solar cell module 4 should just be installed in the wide range as possible on each top plate 5, and may change a number and arrangement | positioning aspect suitably.

架台３は、第１覆蓋部１および第２覆蓋部２を閉止状態から開放状態へ移行させる際には、第２覆蓋部２上の太陽電池モジュール４を下方へ変位させる。また、架台３は、第１覆蓋部１および第２覆蓋部２を開放状態から閉止状態へ移行させる際には、第２覆蓋部２上の太陽電池モジュール４を上方へ変位させる。   When the gantry 3 shifts the first cover portion 1 and the second cover portion 2 from the closed state to the open state, the gantry 3 displaces the solar cell module 4 on the second cover portion 2 downward. Further, when the gantry 3 shifts the first cover portion 1 and the second cover portion 2 from the open state to the closed state, the gantry 3 displaces the solar cell module 4 on the second cover portion 2 upward.

図１に示すように、架台３は、第１覆蓋部１および第２覆蓋部２を閉止状態としている間、第２覆蓋部２上の太陽電池モジュール４を、第１覆蓋部１に載置されている太陽電池モジュール４と略同じ高さにおいて支持する。ここで、略同じ高さとは、第１覆蓋部１上の複数の太陽電池モジュール４と第２覆蓋部２上の複数の太陽電池モジュール４とのうち、第１覆蓋部１および第２覆蓋部２の並列方向において隣り合う太陽電池モジュール４同士が略同じ高さにあることをいうものとする。   As shown in FIG. 1, the gantry 3 places the solar cell module 4 on the second cover portion 2 on the first cover portion 1 while the first cover portion 1 and the second cover portion 2 are closed. The solar cell module 4 is supported at substantially the same height. Here, substantially the same height means that the first cover portion 1 and the second cover portion of the plurality of solar cell modules 4 on the first cover portion 1 and the plurality of solar cell modules 4 on the second cover portion 2. The solar cell modules 4 adjacent to each other in the two parallel directions are at substantially the same height.

覆蓋装置は、第１覆蓋部１上の太陽電池モジュール４と第２覆蓋部２上の太陽電池モジュール４とを略同じ高さとすることで、第２覆蓋部２上の太陽電池モジュール４に第１覆蓋部１の影がかかることを抑制させることができる。   The covering device sets the solar cell module 4 on the first covering portion 1 and the solar cell module 4 on the second covering portion 2 to substantially the same height, so that the solar cell module 4 on the second covering portion 2 can The shadow of the 1 cover part 1 can be suppressed.

図２は、図１に示す状態から第２覆蓋部上の太陽電池モジュールを下方に変位させた状態を示す図である。図３は、第１覆蓋部の覆蓋内側に第２覆蓋部を収納した状態を示す図である。図１に示す閉止状態における第２覆蓋部２を第１覆蓋部１側へ移動させるのに先立ち、架台３は、第２覆蓋部２上の太陽電池モジュール４を、第１覆蓋部１より低い位置にまで引き下げる。   FIG. 2 is a diagram illustrating a state in which the solar cell module on the second cover portion is displaced downward from the state illustrated in FIG. 1. FIG. 3 is a diagram illustrating a state where the second cover portion is housed inside the cover portion of the first cover portion. Prior to moving the second cover portion 2 in the closed state shown in FIG. 1 to the first cover portion 1 side, the gantry 3 lowers the solar cell module 4 on the second cover portion 2 below the first cover portion 1. Pull it down to the position.

覆蓋装置は、第２覆蓋部２上の太陽電池モジュール４を第１覆蓋部１より低い位置にまで変位させることで、第２覆蓋部２上の太陽電池モジュール４を第１覆蓋部１に接触させること無く、第１覆蓋部１の覆蓋内側に第２覆蓋部２を収納することができる。覆蓋装置は、第１覆蓋部１の覆蓋内側に第２覆蓋部２を収納することで、開放状態となる。   The covering device displaces the solar cell module 4 on the second covering portion 2 to a position lower than the first covering portion 1, thereby bringing the solar cell module 4 on the second covering portion 2 into contact with the first covering portion 1. The second cover part 2 can be housed inside the cover of the first cover part 1 without the need to do so. The cover device is opened by storing the second cover portion 2 inside the cover of the first cover portion 1.

図４は、太陽電池モジュールを下方へ変位させる前の架台の状態を示す平面図である。図５は、太陽電池モジュールを下方へ変位させた後の架台の状態を示す平面図である。架台３は、太陽電池モジュール４を上下に変位させるとともに、変位させた高さにて太陽電池モジュール４を支持する。本実施の形態において、架台３は、ジャッキ機構とする。なお、架台３は、ジャッキ機構を採用するものに限られず、太陽電池モジュール４を上下に変位可能とするいずれの機構を採用するものであっても良い。   FIG. 4 is a plan view showing a state of the gantry before the solar cell module is displaced downward. FIG. 5 is a plan view showing a state of the gantry after the solar cell module is displaced downward. The gantry 3 displaces the solar cell module 4 up and down and supports the solar cell module 4 at the displaced height. In the present embodiment, the gantry 3 is a jack mechanism. Note that the gantry 3 is not limited to one that employs a jack mechanism, and may employ any mechanism that allows the solar cell module 4 to be displaced up and down.

覆蓋装置は、図３に示す状態の第２覆蓋部２を第１覆蓋部１の覆蓋内側から移動させることで、閉止状態へと移行する。覆蓋装置が閉止状態となるのに伴い、架台３は、第２覆蓋部２上の太陽電池モジュール４を、第１覆蓋部１上の太陽電池モジュールと略同じ高さにまで持ち上げる。   The cover apparatus moves to the closed state by moving the second cover part 2 in the state shown in FIG. 3 from the inside of the cover of the first cover part 1. As the cover device is closed, the gantry 3 lifts the solar cell module 4 on the second cover portion 2 to substantially the same height as the solar cell module on the first cover portion 1.

架台３は、天板５ごとに太陽電池モジュール４を一括して変位可能である場合に限られない。架台３は、例えば、太陽電池モジュール４ごとに取り付けられ、太陽電池モジュール４を個別に変位させるものであっても良い。上下変位機構は、第２覆蓋部２の天板５上に設置されたものに限られず、例えば、第２覆蓋部２の天板５全体を上下に変位させるものであっても良い。   The gantry 3 is not limited to the case where the solar cell modules 4 can be displaced collectively for each top plate 5. For example, the gantry 3 may be attached to each solar cell module 4 to displace the solar cell module 4 individually. The vertical displacement mechanism is not limited to the one installed on the top plate 5 of the second cover portion 2, and for example, the whole top plate 5 of the second cover portion 2 may be displaced vertically.

上下変位機構による太陽電池モジュール４の変位は、自動および手動のいずれによるものであっても良い。また、覆蓋装置は、第２覆蓋部２の移動に連動して太陽電池モジュール４を変位させるように上下変位機構を駆動することとしても良い。これにより、覆蓋装置は、太陽電池モジュール４を下方へ変位させないまま第２覆蓋部２を移動させてしまうことで第１覆蓋部１に太陽電池モジュール４が接触する事態を抑制させることが可能となる。   The displacement of the solar cell module 4 by the vertical displacement mechanism may be either automatic or manual. Further, the cover device may drive the vertical displacement mechanism so as to displace the solar cell module 4 in conjunction with the movement of the second cover portion 2. Thereby, the cover apparatus can suppress the situation where the solar cell module 4 contacts the first cover part 1 by moving the second cover part 2 without displacing the solar cell module 4 downward. Become.

図６は、太陽電池モジュールの概略構成を示す平面模式図である。太陽電池モジュール４は、複数枚の太陽電池７を直列に接続して構成されている。プラス側電極ケーブル８ａは、太陽電池モジュール４のうち最もプラス側に配置されている太陽電池７に接続されている。マイナス側電極ケーブル８ｂは、太陽電池モジュール４のうち最もマイナス側に配置されている太陽電池７に接続されている。通常、直列に接続された太陽電池７はいくつかの直列群単位に分けられ、それぞれに並列にバイパスダイオード９が接続されている。   FIG. 6 is a schematic plan view showing a schematic configuration of the solar cell module. The solar cell module 4 is configured by connecting a plurality of solar cells 7 in series. The plus side electrode cable 8 a is connected to the solar cell 7 arranged on the most plus side in the solar cell module 4. The minus side electrode cable 8 b is connected to the solar cell 7 arranged on the most minus side among the solar cell modules 4. Usually, the solar cells 7 connected in series are divided into several series group units, and a bypass diode 9 is connected in parallel to each.

ここで、バイパスダイオード９の役割について説明する。例えば、太陽電池モジュール４の受光面上の一部に、太陽光を遮蔽する遮蔽物Ａ、例えば落ち葉等が載ってしまったとする。遮蔽物Ａによって太陽光を遮られた太陽電池７は、受光量が激減することで発電電流を流すことができなくなる。遮蔽物Ａの下の太陽電池７における電流量の低下により、太陽電池モジュール４全体として、発電量が抑えられてしまうこととなる。   Here, the role of the bypass diode 9 will be described. For example, it is assumed that a shielding object A that shields sunlight, such as fallen leaves, has been placed on a part of the light receiving surface of the solar cell module 4. The solar cell 7 whose sunlight is blocked by the shield A cannot flow the generated current due to the drastic decrease in the amount of received light. Due to the decrease in the amount of current in the solar cell 7 under the shield A, the power generation amount is suppressed as the entire solar cell module 4.

バイパスダイオード９は、遮蔽物Ａによって電流量が低下した太陽電池７が含まれる直列群をバイパスするように電流を迂回させる。このようなバイパスダイオード９の機能により、太陽電池モジュール４は、正常な直列群の太陽電池７については遮蔽物Ａによる影響を及ぼさずに発電電力を取り出すことができる。   The bypass diode 9 bypasses the current so as to bypass the series group including the solar cells 7 whose current amount is reduced by the shield A. With such a function of the bypass diode 9, the solar cell module 4 can take out the generated power without affecting the solar cell 7 in the normal series group without being affected by the shield A.

図７は、上覆蓋部に対して低い位置の下覆蓋部に太陽電池モジュールを設置する従来の設置構造において、下覆蓋部上の太陽電池モジュールに上覆蓋部の影がかかった状態を表す図である。上覆蓋部による影Ｂは、下覆蓋部上の太陽電池モジュール４のうち上覆蓋部側の端部からある範囲について一様にかかることが想定される。   FIG. 7 is a diagram illustrating a state in which a shadow of the upper cover part is applied to the solar cell module on the lower cover part in a conventional installation structure in which the solar cell module is installed in the lower cover part at a lower position than the upper cover part. It is. It is assumed that the shadow B by the upper cover portion is uniformly applied to a certain range from the end portion on the upper cover portion side of the solar cell module 4 on the lower cover portion.

例えば、太陽電池モジュール４上の各直列群に、影Ｂがかかった太陽電池７が含まれる状態となった場合、全ての直列群について電流量が低下することとなる。当該太陽電池モジュール４による発電電量の低下は、太陽電池７のうち影Ｂがかかった面積相当分のみならず、他の太陽電池７からの出力へも影響を及ぼすこととなる。さらに、当該太陽電池モジュール４に他の太陽電池モジュール４が直列に接続されている場合は、他の太陽電池モジュール４からの出力へも影響を及ぼすこととなる。   For example, when the solar cells 7 with shadow B are included in each series group on the solar cell module 4, the amount of current is reduced for all the series groups. The reduction in the amount of power generated by the solar cell module 4 affects not only the area corresponding to the shaded area of the solar cell 7 but also the output from the other solar cells 7. Furthermore, when other solar cell modules 4 are connected to the solar cell module 4 in series, the output from the other solar cell modules 4 is also affected.

本実施の形態にかかる太陽電池モジュールの設置構造は、このような影Ｂを抑制可能とすることで、各太陽電池モジュール４による発電量の大幅な低下を抑制させることが可能となる。また、太陽電池モジュールの設置構造は、影Ｂに相当する領域を避けることなく第２覆蓋部２における太陽電池モジュール４の設置面積を十分確保することができる。これにより、太陽電池モジュールの設置構造は、開閉可能とする覆蓋構造において、太陽電池モジュールの設置面積を広く確保するとともに、覆蓋構造上の太陽電池モジュール全体による発電量を向上させることができる。   The installation structure of the solar cell module according to the present embodiment makes it possible to suppress such a shadow B, thereby suppressing a significant decrease in the amount of power generated by each solar cell module 4. Moreover, the installation structure of the solar cell module can ensure a sufficient installation area of the solar cell module 4 in the second cover 2 without avoiding the area corresponding to the shadow B. Thereby, the installation structure of a solar cell module can ensure the installation area of a solar cell module widely in the cover structure which can be opened and closed, and can improve the electric power generation amount by the whole solar cell module on a cover structure.

また、本実施の形態にかかる太陽電池モジュールの設置構造は、第１覆蓋部１と第２覆蓋部２とで太陽電池モジュール４の高さを揃えることが可能となることで、メンテナンス時等に各太陽電池モジュール４の状態の確認が容易になることや、外観を良くするという利点もある。   Moreover, the installation structure of the solar cell module according to the present embodiment makes it possible to align the height of the solar cell module 4 between the first cover portion 1 and the second cover portion 2, so that maintenance can be performed. There is also an advantage that confirmation of the state of each solar cell module 4 becomes easy and the appearance is improved.

第２覆蓋部２上の太陽電池モジュール４については、架台３によって持ち上げることで、放熱性が向上し、発電量の向上も期待できる。第１覆蓋部１および第２覆蓋部２について同等の日射条件にできることから、太陽光発電システムは、第１覆蓋部１および第２覆蓋部２のそれぞれの回路構成についての条件付けが不要となる。このため、太陽光発電システムは、回路構成の自由度を高くでき、配線長の短縮等を考慮した設計が可能となる。   About the solar cell module 4 on the 2nd cover part 2, by raising with the mount frame 3, heat dissipation improves and it can also anticipate the improvement of electric power generation amount. Since the same solar radiation conditions can be set for the first cover portion 1 and the second cover portion 2, the solar power generation system does not require conditioning for the circuit configurations of the first cover portion 1 and the second cover portion 2. For this reason, the photovoltaic power generation system can increase the degree of freedom of the circuit configuration and can be designed in consideration of shortening of the wiring length.

太陽電池モジュールの設置構造は、第１覆蓋部１および第２覆蓋部２のうち第２覆蓋部２を移動させるものである場合に限られない。太陽電池モジュールの設置構造は、第１覆蓋部１および第２覆蓋部２の少なくとも一方の移動により、第１覆蓋部１および第２覆蓋部２が開放状態と閉止状態とに移行可能であれば良い。   The installation structure of the solar cell module is not limited to the case where the second cover part 2 is moved among the first cover part 1 and the second cover part 2. If the installation structure of a solar cell module can shift the 1st cover part 1 and the 2nd cover part 2 into an open state and a closed state by movement of at least one of the 1st cover part 1 and the 2nd cover part 2, good.

太陽電池モジュールの設置構造は、浄水場のろ過池を覆蓋対象とするものに限られず、日射条件が良好で、かつ太陽電池モジュール４の設置面積を確保可能ないずれの施設を覆蓋対象とするものであっても良い。   The installation structure of the solar cell module is not limited to the filter pond of the water treatment plant, but covers any facility that has good solar radiation conditions and can secure the installation area of the solar cell module 4. It may be.

１ 第１覆蓋部
２ 第２覆蓋部
３ 架台
４ 太陽電池モジュール
５ 天板
６ 支持部
７ 太陽電池
８ａ プラス側電極ケーブル
８ｂ マイナス側電極ケーブル
９ バイパスダイオード DESCRIPTION OF SYMBOLS 1 1st cover part 2 2nd cover part 3 Base 4 Solar cell module 5 Top plate 6 Support part 7 Solar cell 8a Positive side electrode cable 8b Negative side electrode cable 9 Bypass diode

Claims (4)

覆蓋対象とする施設の上方を覆蓋可能に構成され、太陽電池モジュールが載置される第１覆蓋部および第２覆蓋部を有し、
前記第１覆蓋部および前記第２覆蓋部は、前記第１覆蓋部および前記第２覆蓋部の少なくとも一方の移動により、前記第１覆蓋部の覆蓋内側に前記第２覆蓋部が収納されて前記施設の少なくとも一部を上方に開放させた開放状態と、前記第１覆蓋部および前記第２覆蓋部によって前記施設全体を上方にて閉止させた閉止状態と、に移行可能であって、
前記第２覆蓋部は、前記太陽電池モジュールを上下に変位させるための上下変位機構を備えることを特徴とする太陽電池モジュールの設置構造。 The upper part of the facility to be covered is configured to be able to cover, and has a first cover part and a second cover part on which the solar cell module is placed,
The first cover portion and the second cover portion are configured such that the second cover portion is accommodated inside the cover of the first cover portion by movement of at least one of the first cover portion and the second cover portion. It is possible to transition to an open state in which at least a part of the facility is opened upward and a closed state in which the entire facility is closed upward by the first cover portion and the second cover portion,
The solar cell module installation structure, wherein the second cover portion includes a vertical displacement mechanism for vertically displacing the solar cell module. 前記上下変位機構は、前記閉止状態から前記開放状態への移行の際には前記第２覆蓋部上の前記太陽電池モジュールを下方へ変位させ、かつ前記開放状態から前記閉止状態への移行の際には前記第２覆蓋部上の前記太陽電池モジュールを上方へ変位させることを特徴とする請求項１に記載の太陽電池モジュールの設置構造。   The vertical displacement mechanism is configured to displace the solar cell module on the second cover portion downward during the transition from the closed state to the open state, and during the transition from the open state to the closed state. The solar cell module installation structure according to claim 1, wherein the solar cell module on the second cover portion is displaced upward. 前記上下変位機構は、前記開放状態から前記閉止状態への移行の際に、前記第２覆蓋部上の前記太陽電池モジュールを、前記第１覆蓋部より低い位置にまで変位させることを特徴とする請求項２に記載の太陽電池モジュールの設置構造。   The vertical displacement mechanism is configured to displace the solar cell module on the second cover portion to a position lower than the first cover portion during the transition from the open state to the closed state. The installation structure of the solar cell module according to claim 2. 前記上下変位機構は、前記閉止状態において、前記第２覆蓋部上の前記太陽電池モジュールを、前記第１覆蓋部に載置されている前記太陽電池モジュールと略同じ高さにおいて支持することを特徴とする請求項１から３のいずれか一つに記載の太陽電池モジュールの設置構造。   The vertical displacement mechanism supports, in the closed state, the solar cell module on the second cover portion at substantially the same height as the solar cell module placed on the first cover portion. The installation structure of the solar cell module according to any one of claims 1 to 3.
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