JP2010109090A - Solar battery module support body - Google Patents

Solar battery module support body Download PDF

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JP2010109090A
JP2010109090A JP2008278629A JP2008278629A JP2010109090A JP 2010109090 A JP2010109090 A JP 2010109090A JP 2008278629 A JP2008278629 A JP 2008278629A JP 2008278629 A JP2008278629 A JP 2008278629A JP 2010109090 A JP2010109090 A JP 2010109090A
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solar cell
cell module
support
frame
solar battery
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Akito Ito
陽人 伊藤
Daisuke Hoshi
大輔 星
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Kyocera Corp
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Kyocera 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
    • 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

Abstract

<P>PROBLEM TO BE SOLVED: To provide a support body for a solar battery module, capable of suppressing the degradation of a solar battery module during cargo work, transportation, and storing, using a simple structure. <P>SOLUTION: A solar battery module support body 9 supports a solar battery module 1, including a photodetector surface 2a which covers a solar battery element 3 and a frame 7, arranged around the outer periphery of the photodetector surface 2a. The suppport body includes a base body 10, having a main surface that faces the photodetector surface 2a of the solar battery module 1, and a support part 11, at least a part of which is arranged between the solar battery module 1 and the base body 10. The support part 11 supports the frame 7 of the solar battery module 1 through a gap 12 between the photodetector surface 2a of the solar battery module 1 and the base body 10. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、太陽電池モジュールの輸送等に用いる太陽電池モジュール支持体に関する。   The present invention relates to a solar cell module support used for transportation of solar cell modules.

近年の環境保護の気運の高まりに伴い、環境負荷の少ない高効率の太陽光発電システムの導入量の拡大が求められている。   With the recent increase in environmental protection, there is a need to expand the amount of highly efficient photovoltaic power generation systems with low environmental impact.

さらに環境負荷を軽減するために、このような状況下では、主な構成部品である太陽電池モジュールの高効率化や使用材料を低減する技術とともに、太陽電池モジュールを輸送
する際に生じる劣化を低減する技術が必要とされている。 In order to further reduce the environmental impact, under these circumstances, the solar cell module, which is the main component, is highly efficient and the technology used to reduce the materials used, as well as the degradation that occurs when the solar cell module is transported Technology to do is needed.

従来の輸送方法の１つとしては、太陽電池モジュールを梱包で覆いパレットの上に複数積み重ねるものであった。ところが、最下層の太陽電池モジュールは、輸送振動による動的荷重が加わりやすく、特に太陽電池モジュールの受光面に上記動的荷重が加わると、発電効率の劣化に影響を与えやすかった。具体的には、輸送振動によって上記受光面がパレットと衝突することにより、太陽電池素子に悪影響を与えやすかった。また、他の搬送方法としては、積重した個々の太陽電池モジュールの角部を成形品部材で支持する輸送方法が提案されている（例えば特許文献１）。
特開２００６−３２９７８号公報 As one of the conventional transportation methods, a plurality of solar cell modules are covered with packaging and stacked on a pallet. However, the lowermost solar cell module is likely to be subjected to a dynamic load due to transportation vibration. In particular, when the dynamic load is applied to the light receiving surface of the solar cell module, it tends to affect the deterioration of power generation efficiency. Specifically, the light receiving surface collided with the pallet due to transportation vibration, and thus the solar cell element was easily adversely affected. In addition, as another transport method, a transport method has been proposed in which corners of stacked individual solar cell modules are supported by molded product members (for example, Patent Document 1).
JP 2006-32978 A

しかしながら、特許文献１に開示された輸送方法では、個々の太陽電池モジュールの角部を成形品部材で支持しているため、流通経路の末端まで成形品部材を回収する仕組みを整備しなければ、複数回使用可能な樹脂成形品を破棄せざるを得ず、環境負荷が大きくなる場合があった。また、特許文献１に開示された輸送方法では、個々の太陽電池モジュールに成形品部材を取り付ける必要があるため、作業が煩雑になっていた。   However, in the transportation method disclosed in Patent Document 1, since the corners of the individual solar cell modules are supported by the molded product member, unless a mechanism for collecting the molded product member to the end of the distribution path is prepared, Resin molded products that can be used multiple times have to be discarded, which can increase the environmental burden. Moreover, in the transportation method disclosed in Patent Document 1, since it is necessary to attach a molded product member to each solar cell module, the operation is complicated.

そこで本発明は、このような問題点に鑑みなされたものであり、その目的は簡便な構成を有する太陽電池モジュール支持体を用いることで、輸送時、荷役時、または保管時等に生じる太陽電池モジュールの劣化を低減することにある。   Therefore, the present invention has been made in view of such problems, and the purpose thereof is to use a solar cell module support having a simple configuration, so that the solar cell generated during transportation, loading / unloading, storage, etc. It is to reduce the deterioration of the module.

本発明は、太陽電池素子を覆う受光面を有する透光部材と該受光面の外周部に配された枠体とを有する太陽電池モジュールを支持する太陽電池モジュール支持体であって、前記太陽電池モジュールの受光面と対向する主面を有する基体部と、少なくとも一部が前記太陽電池モジュールと前記基体部との間に配置された支持部と、を備え、前記支持部は、前記太陽電池モジュールの受光面と前記基体部の主面との間に空隙部を介して前記太陽電池モジュールの枠体を支持するものである。   The present invention is a solar cell module support body that supports a solar cell module having a light-transmitting member having a light-receiving surface that covers a solar cell element and a frame disposed on an outer peripheral portion of the light-receiving surface, and the solar cell A base portion having a main surface facing the light receiving surface of the module; and a support portion at least partially disposed between the solar cell module and the base portion, wherein the support portion is the solar cell module. The frame of the solar cell module is supported via a gap between the light receiving surface and the main surface of the base portion.

本発明の太陽電池モジュール支持体によれば、環境負荷の少ない簡便な構造の太陽電池モジュール支持体を用いることで、輸送時の振動や衝撃が太陽電池モジュールの受光面に直に伝達しにくくし、太陽電池素子に対する振動や衝撃の影響を緩和することができる。その結果、本発明では、上記振動や衝撃による太陽電池モジュールの劣化に伴う発電効率の低下を低減し、太陽電池モジュールの発電効率を高く維持することができる。   According to the solar cell module support of the present invention, by using a solar cell module support with a simple structure with less environmental load, vibration and impact during transportation are hardly transmitted directly to the light receiving surface of the solar cell module. The influence of vibration and impact on the solar cell element can be reduced. As a result, in the present invention, it is possible to reduce a decrease in power generation efficiency due to the deterioration of the solar cell module due to the vibration or impact, and to maintain the power generation efficiency of the solar cell module high.

本発明の太陽電池モジュール支持体に係る実施形態について図面を参照して詳細に説明する。なお、以下では、まず、本発明の太陽電池モジュール支持体で支持される太陽電池モジュールの一例について説明する。   An embodiment according to the solar cell module support of the present invention will be described in detail with reference to the drawings. In addition, below, an example of the solar cell module supported with the solar cell module support body of this invention is demonstrated first.

（太陽電池モジュール）
太陽電池モジュール１としては、例えば、スーパーストレート構造、ガラスパッケージ構造又はサブストレート構造などの種々ものが利用可能であるが、以下においては、特に生産量の多い単結晶シリコン太陽電池、および多結晶シリコン太陽電池に適用可能で使用材料の少ないスーパーストレート構造を例にとって説明する。 (Solar cell module)
As the solar cell module 1, various types such as a super straight structure, a glass package structure, or a substrate structure can be used. A super straight structure that can be applied to a solar cell and uses less material will be described as an example.

図１は、スーパーストレート構造の太陽電池モジュールの一例を示すものであり、図１（ａ）は、太陽電池モジュールの一例を非受光面側から見た平面図である。図１（ｂ）は、図１（ａ）の太陽電池モジュールに示すＡ−Ａ’線における概略断面図を、非受光面側を上にして示したものである。   FIG. 1 shows an example of a solar cell module having a superstrate structure, and FIG. 1A is a plan view of an example of a solar cell module as seen from the non-light-receiving surface side. FIG. 1B is a schematic cross-sectional view taken along the line A-A ′ shown in the solar cell module of FIG.

太陽電池モジュール１は、光電変換を行う複数枚の太陽電池素子３を電気的に接続した集合体である。太陽電池素子３は、単結晶シリコン太陽電池、多結晶シリコン太陽電池、薄膜太陽電池、ＣＩＧＳ太陽電池、ＣｄＴｅ太陽電池など様々である。これらの中でも、単結晶シリコン太陽電池および多結晶シリコン太陽電池は、１５ｃｍ角程度の太陽電池素子３をインナーリード４と呼ばれる配線材を用いて電気的に接続して太陽電池モジュール１とすることが一般的である。   The solar cell module 1 is an assembly in which a plurality of solar cell elements 3 that perform photoelectric conversion are electrically connected. The solar cell element 3 is various such as a single crystal silicon solar cell, a polycrystalline silicon solar cell, a thin film solar cell, a CIGS solar cell, and a CdTe solar cell. Among these, in the single crystal silicon solar cell and the polycrystalline silicon solar cell, the solar cell module 1 is formed by electrically connecting the solar cell elements 3 of about 15 cm square using a wiring material called an inner lead 4. It is common.

太陽電池モジュール１は、受光面２ａを有するとともにモジュール基板を兼ねる透光性基板２（透光部材）と、透明な熱硬化性樹脂よりなる充填材５、充填材５に周囲を保護されるとともに、インナーリード４でもって半田等で電気的に互いに接続された太陽電池素子３、太陽電池素子３の裏面を保護する裏面シート６、太陽電池モジュール１を保持するとともに、透光性基板２の外周部に配された枠体７、太陽電池モジュール１の非受光面側に設けられ発電を外部に出力する端子ボックス８などから構成されている。なお、太陽電池モジュール１では、図１（ｂ）に示すように透光性基板２に最初に太陽光が入射される面を受光面２ａとし、裏面シートの充填材５と接触していない側の面を非受光面とする。また、透光性基板２は、太陽電池素子３を覆うように配されており、言い換えれば、受光面２ａで太陽電池素子３を覆っている。なお、本実施形態では、透光性基板２を有する太陽電池モジュール１を例に挙げているが、本発明の太陽電池モジュール支持体は、このような透光性基板２を有していない太陽電池モジュールであっても適用可能である。例えば、ガラス等で構成された透光性基板ではなく、透光性を有する樹脂等の透光部材を備えた太陽電池モジュールの支持体としても利用できる。   The solar cell module 1 has a light-receiving surface 2a and the periphery is protected by a translucent substrate 2 (translucent member) that also serves as a module substrate, a filler 5 made of a transparent thermosetting resin, and the filler 5. The solar cell element 3 that is electrically connected to each other by solder or the like with the inner lead 4, the back sheet 6 that protects the back surface of the solar cell element 3, the solar cell module 1, and the outer periphery of the translucent substrate 2 And a terminal box 8 that is provided on the non-light-receiving surface side of the solar cell module 1 and outputs power generation to the outside. In the solar cell module 1, as shown in FIG. 1B, a surface on which sunlight is first incident on the translucent substrate 2 is a light receiving surface 2 a, and the side not in contact with the filler 5 on the back sheet. This surface is the non-light-receiving surface. Moreover, the translucent board | substrate 2 is distribute | arranged so that the solar cell element 3 may be covered, in other words, the solar cell element 3 is covered by the light-receiving surface 2a. In addition, in this embodiment, although the solar cell module 1 which has the translucent board | substrate 2 is mentioned as an example, the solar cell module support body of this invention is the solar which does not have such a translucent board | substrate 2. Even a battery module is applicable. For example, it can utilize also as a support body of the solar cell module provided with translucent members, such as resin which has translucency instead of the translucent board | substrate comprised with glass etc.

（太陽電池モジュール支持体）
本発明の第一の実施形態に係る太陽電池モジュール支持体９は、基体部１０と、基体部１０の主面である載置面１０ａ上に設けられた支持部１１を有している。以下で本発明の太陽電池モジュール支持体９の実施形態について、図２および図３を用いて説明する。 (Solar cell module support)
The solar cell module support 9 according to the first embodiment of the present invention has a base portion 10 and a support portion 11 provided on a mounting surface 10 a that is a main surface of the base portion 10. Below, embodiment of the solar cell module support body 9 of this invention is described using FIG. 2 and FIG.

図２（ａ）は、本発明の一実施形態に係る太陽電池モジュール支持体９に太陽電池モジュール１を積重する様子を示す分解斜視図、図２（ｂ）は太陽電池モジュール１を積重した後の様子を示す斜視図である。また、図３は、太陽電池モジュール支持体およびその上に積重した太陽電池モジュールを示す断面図である。   FIG. 2A is an exploded perspective view showing a state in which the solar cell modules 1 are stacked on the solar cell module support 9 according to one embodiment of the present invention, and FIG. It is a perspective view which shows the mode after having performed. FIG. 3 is a cross-sectional view showing the solar cell module support and the solar cell modules stacked thereon.

基体部１０は、図２（ａ）に示すように、太陽電池モジュール１を荷役、輸送、保管するために、太陽電池モジュール１を積重して載置する載置面１０ａと、フォークリフトのフォークなどの差込口１０ｂと、を有する、繰り返し利用可能な荷役台である。基体部１０は、その材質に例えば、樹脂や木材、金属などを用いることができる。なお、図２（ａ）は、基体部１０の一例として平パレットを用いたものを示しているが、本発明では平パレット以外にボックスパレットやポストパレットへ適用可能である。   As shown in FIG. 2 (a), the base unit 10 includes a mounting surface 10a on which the solar cell modules 1 are stacked and loaded to load, transport and store the solar cell modules 1, and a fork of a forklift. It is a cargo handling stand that can be used repeatedly. For example, resin, wood, metal, or the like can be used as the material of the base portion 10. FIG. 2A shows an example in which a flat pallet is used as an example of the base portion 10, but the present invention can be applied to a box pallet and a post pallet in addition to the flat pallet.

支持部１１は、太陽電池モジュール１の四辺の枠体７を支持可能な位置に配置される。そして、本実施の形態に係る太陽電池モジュール支持体９は、図３に示すように、支持部１１が、基体部１０の主面となる載置面１０ａ上で枠体７を支持可能に配置されるとともに、載置面１０ａと太陽電池モジュール１の受光面の間に空隙部１２が形成されている。   The support part 11 is arrange | positioned in the position which can support the frame 7 of the four sides of the solar cell module 1. FIG. And the solar cell module support body 9 which concerns on this Embodiment arrange | positions so that the support part 11 can support the frame 7 on the mounting surface 10a used as the main surface of the base | substrate part 10, as shown in FIG. In addition, a gap 12 is formed between the mounting surface 10 a and the light receiving surface of the solar cell module 1.

空隙部１２は、太陽電池素子３の直下の位置に形成されることが好ましい。太陽電池モジュール１において、振動や衝撃、集中荷重による負荷の影響を受けやすい部位は、太陽電池素子３や太陽電池素子３と配線材の接続部の半田である。そのため、太陽電池素子３の直下に空隙部１２を設けた形態では、振動が太陽電池素子３の直下の透光性基板２に伝わりにくくなり、それらの負荷を低減することができる。   The gap 12 is preferably formed at a position directly below the solar cell element 3. In the solar cell module 1, a portion that is easily affected by vibration, impact, or concentrated load is the solar cell element 3 or the solder of the connection portion between the solar cell element 3 and the wiring member. Therefore, in the form in which the gap portion 12 is provided immediately below the solar cell element 3, vibration is less likely to be transmitted to the translucent substrate 2 immediately below the solar cell element 3, and the load on them can be reduced.

支持部１１の形状は、上述したように、太陽電池モジュール１の受光面２ａと載置面１０ａ（基体部１０の主面）との間に少なくとも一部が配されており、枠体７を支持できるものであれば、特に限定されない。とりわけ、支持部１１は、例えば、図２（ａ）に示すように太陽電池モジュール１の枠体７に沿って支持可能な線形部を有しているほうが好ましい。このような支持部１１は、枠体７を該枠体７が延びている方向に沿って線状に支持することができるため、枠体７に加わる荷重を分散し、枠体７の断面が塑性変形するなどの破損を低減することができる。さらに、支持部１１は、太陽電池モジュール１の枠体７を全周に亘って支持してもよい。このような形態によれば、例えば、相対する２辺のみを支持する形態と比較して、枠体７に加わる曲げ荷重をより分散することができるため、枠体７の変形をより効率良く低減することができる。   As described above, the shape of the support portion 11 is at least partially arranged between the light receiving surface 2a of the solar cell module 1 and the placement surface 10a (the main surface of the base body portion 10). If it can support, it will not be specifically limited. In particular, the support portion 11 preferably has a linear portion that can be supported along the frame body 7 of the solar cell module 1 as shown in FIG. Since such a support part 11 can support the frame 7 linearly along the direction in which the frame 7 extends, the load applied to the frame 7 is dispersed, and the cross-section of the frame 7 is reduced. Breakage such as plastic deformation can be reduced. Furthermore, the support part 11 may support the frame 7 of the solar cell module 1 over the entire circumference. According to such a configuration, for example, compared to a configuration in which only two opposite sides are supported, the bending load applied to the frame body 7 can be more dispersed, so that the deformation of the frame body 7 can be reduced more efficiently. can do.

支持部１１の材質は、例えば、ポリエチレン、ポリプロピレン、ABS樹脂、スチロール樹脂、不飽和ポリエステル、ポリウレタン、塩化ビニル樹脂などの樹脂や松、ぶな、かば、なら、ラワン、アピトンなどの木材、段ボールなどの紙、耐食性アルミニウム合金などの軽金属を用いることができる。特に、支持部１１の材質に発泡樹脂やウレタンなどの緩衝材を用いれば、輸送振動をより吸収することができる。また支持部１１に硬質の樹脂や木材、耐食性軽金属を用いる場合、支持部１１の表面を発泡シートや段ボールなどの緩衝材で覆い、太陽電池モジュールやその梱包を養生することが好ましい。   The material of the support part 11 is, for example, resin such as polyethylene, polypropylene, ABS resin, styrene resin, unsaturated polyester, polyurethane, vinyl chloride resin, pine, beech, cover, timber such as lauan and apton, cardboard, etc. Light metals such as paper and corrosion-resistant aluminum alloys can be used. In particular, if a cushioning material such as foamed resin or urethane is used as the material of the support portion 11, the transportation vibration can be absorbed more. Moreover, when using hard resin, wood, and a corrosion-resistant light metal for the support part 11, it is preferable to cover the surface of the support part 11 with cushioning materials, such as a foam sheet and cardboard, and to cure a solar cell module and its package.

上記のように太陽電池モジュール１の受光面と基体部１０の載置面１０ａの間に空隙部１２が形成されることで、以下の効果を奏する。太陽電池モジュール支持体９の上に積重された太陽電池モジュール１は車輌や船舶、航空機などの輸送手段で需要先に運ばれる。このとき、これらの輸送手段から太陽電池モジュール支持体９へ輸送振動が伝達される。しかし、太陽電池モジュール１の受光面２ａと載置面１０ａの間には空隙部１２が設けられているため、直接に輸送振動が太陽電池モジュール１中の太陽電池素子３や接続部に伝わりにくい。仮に、上記振動が伝わったとしても、枠体７と充填材５を介して伝達されるため、振動が減衰する。さらに輸送振動により透光性基板２と載置面１０ａに振幅を持った振動が生じるが、空隙部１２が設けられ離間しているため、透光性基板２と載置面１０ａが衝突して衝撃が生じる可能性を小さくすることができる。さらに、図４に示すように太陽電池モジュール１を積重した太陽電池モジュール支持体９をフォークリフトのフォーク１４で持ち上げ、基体部１０に撓みが生じた場合であっても、空隙部１２が設けられているため基体部１０が太陽電池モジュール１の受光面２ａに接触して集中荷重を加わることを低減できる。以上のように、本発明の実施の形態に係る太陽電池モジュール支持体９は、輸送、荷役時の振動、衝撃、集中荷重から太陽電池モジュール１を保護し、太陽電池素子や接続部の半田に生じるクラックを低減することにより、発電効率の劣化を低減することができる。   As described above, the formation of the gap 12 between the light receiving surface of the solar cell module 1 and the mounting surface 10a of the base body 10 provides the following effects. The solar cell module 1 stacked on the solar cell module support 9 is transported to a demand destination by a transportation means such as a vehicle, a ship, and an aircraft. At this time, the transportation vibration is transmitted from these transportation means to the solar cell module support 9. However, since the gap 12 is provided between the light receiving surface 2 a and the mounting surface 10 a of the solar cell module 1, the transport vibration is not easily transmitted directly to the solar cell element 3 or the connection portion in the solar cell module 1. . Even if the vibration is transmitted, the vibration is attenuated because it is transmitted through the frame body 7 and the filler 5. Furthermore, vibration with amplitude occurs between the translucent substrate 2 and the mounting surface 10a due to the transport vibration, but since the gap portion 12 is provided and separated, the translucent substrate 2 and the mounting surface 10a collide with each other. The possibility that an impact will occur can be reduced. Further, as shown in FIG. 4, even when the solar cell module support 9 on which the solar cell modules 1 are stacked is lifted by the fork 14 of the forklift and the base portion 10 is bent, the gap portion 12 is provided. Therefore, it can reduce that the base | substrate part 10 contacts the light-receiving surface 2a of the solar cell module 1, and applies a concentrated load. As described above, the solar cell module support 9 according to the embodiment of the present invention protects the solar cell module 1 from vibration, impact, and concentrated load during transportation and handling, and is used as a solder for solar cell elements and connection portions. By reducing the generated cracks, deterioration of power generation efficiency can be reduced.

（太陽電池モジュールの梱包）
太陽電池モジュール１は、図２（ａ）に示すように梱包をしないで、太陽電池モジュール支持体９上に積重する以外に、段ボールなどの梱包材１３で梱包したものを、太陽電池モジュール支持体９の上に積重してもよい。例えば、図５に示すように、２枚の太陽電池モジュール１のそれぞれの受光面２ａを下にして重ねあわせ、梱包材１３で覆い、バンド１６で固定するのが好ましい。図５（ａ）は梱包前の様子を示す分解斜視図であり、図５（ｂ）は梱包後の太陽電池モジュール１５の様子を示す斜視図である。このような梱包方法では、太陽電池モジュール１の受光面２ａを下にすることにより、図２（ａ）と同様に端子ボックス８に充填した樹脂が硬化するのを待つことなく、積重して保管することができる。その結果、このような梱包方法では、太陽電池モジュール１の製造工程で仕掛品の滞留を少なくし、製造効率を高めることができる。また、裏面シート６の側は枠体で囲まれており、非受光面側に空間を有するため、積重した太陽電池モジュール１の上に、さらに、太陽電池モジュール支持体９を置いて太陽電池モジュール１を重ねることで、積載効率が重要な船舶における輸送の際に輸送効率を高めることができる。また、他の梱包方法としては、例えば、図６に示すように、２枚の太陽電池モジュール１の裏面シート６を向かい合わせて、一組として梱包してもよい。図６（ａ）は梱包前の様子を示す分解斜視図であり、図６（ｂ）は梱包後の様子を示す斜視図である。裏面シート６より強度の高い透光性基板２が、外側となるように梱包することで、簡易な梱包とすることができるとともに、太陽電池モジュール１が輸送時に破損することを抑制することができる。なお、図２、図５、図６のいずれの場合も、積重時に一番下の太陽電池モジュール１の受光面２ａと載置面１０ａが相対する。 (Packaging of solar cell modules)
As shown in FIG. 2 (a), the solar cell module 1 is not packaged but is stacked on the solar cell module support 9, and is packed with a packing material 13 such as cardboard. It may be stacked on the body 9. For example, as shown in FIG. 5, it is preferable that the light receiving surfaces 2 a of the two solar cell modules 1 are overlapped, covered with the packing material 13, and fixed with the band 16. FIG. 5A is an exploded perspective view showing a state before packing, and FIG. 5B is a perspective view showing a state of the solar cell module 15 after packing. In such a packing method, by stacking the light receiving surface 2a of the solar cell module 1 downward, it is possible to stack without waiting for the resin filled in the terminal box 8 to be cured as in FIG. Can be stored. As a result, in such a packing method, the stagnation of work in progress can be reduced in the manufacturing process of the solar cell module 1, and the manufacturing efficiency can be increased. Moreover, since the back sheet 6 side is surrounded by a frame and has a space on the non-light-receiving surface side, a solar cell module support 9 is further placed on the stacked solar cell modules 1 to form a solar cell. By stacking the modules 1, the transportation efficiency can be increased when transporting in a ship where loading efficiency is important. Moreover, as another packing method, as shown in FIG. 6, for example, the back sheets 6 of the two solar cell modules 1 may face each other and packed as a set. FIG. 6A is an exploded perspective view showing a state before packing, and FIG. 6B is a perspective view showing a state after packing. By packaging the translucent substrate 2 having a higher strength than the back sheet 6 so as to be on the outside, the packaging can be simplified, and the solar cell module 1 can be prevented from being damaged during transportation. . 2, 5, and 6, the light receiving surface 2 a of the lowermost solar cell module 1 and the mounting surface 10 a are opposed to each other during stacking.

（評価結果）
本発明の実施形態に係る太陽電池モジュール支持体について、ＪＩＳ Ｚ０２３２の振動試験方法に基づいた条件で評価を行った。まず振動試験機の振動盤の上に太陽電池モジュール支持体９を配置し、さらにその上に太陽電池モジュール１を積重した。そして振動盤を加振して太陽電池モジュール支持体９および太陽電池モジュール１に振動を加え、加振後の太陽電池モジュール１を観察した。その結果、従来の太陽電池モジュール支持体で支持された太陽電池モジュールで見られた太陽電池素子のクラックが、本実施形態では生じていないことを確認することができた。 (Evaluation results)
The solar cell module support according to the embodiment of the present invention was evaluated under conditions based on the vibration test method of JIS Z0232. First, the solar cell module support 9 was disposed on the vibration plate of the vibration tester, and the solar cell module 1 was further stacked thereon. And the vibration board was vibrated, the solar cell module support body 9 and the solar cell module 1 were vibrated, and the solar cell module 1 after the vibration was observed. As a result, it was confirmed that cracks of the solar cell element seen in the solar cell module supported by the conventional solar cell module support did not occur in this embodiment.

＜変形例＞
本発明の他の実施形態に係る太陽電池モジュール支持体について図面を参照しつつ説明する。 <Modification>
A solar cell module support according to another embodiment of the present invention will be described with reference to the drawings.

図７は、本発明の他の実施形態に係る太陽電池モジュール支持体を示す断面図である。本実施形態は、支持部１１が２層構造となっている点で上述した第一の実施形態と相違する。本実施形態では、支持部１１が、基体部１０と接する第１層１１ａと、第１層１１ａ上に配置され、かつ太陽電池モジュール１の枠体７と接する第２層１１ｂと、を有している。そして、支持部１１において、第２層１１ｂは、第１層１１ａに比し、弾性率が大きい。このように、本実施形態では、枠体７と接する第２層１１ｂの弾性率を大きくしたことにより、太陽電池モジュール支持体９に太陽電池モジュール１を積重したときに、枠体７が支持部１１にめりこむのを低減することができる。一方、弾性率の低い第１層１１ａは、基体部１０から太陽電池モジュール１に伝達される輸送振動を減衰させ、より効果的に輸送に伴う太陽電池モジュール１の劣化を小さくすることができる。   FIG. 7 is a cross-sectional view showing a solar cell module support according to another embodiment of the present invention. This embodiment is different from the first embodiment described above in that the support portion 11 has a two-layer structure. In this embodiment, the support part 11 has the 1st layer 11a which touches the base | substrate part 10, and the 2nd layer 11b which is arrange | positioned on the 1st layer 11a and touches the frame 7 of the solar cell module 1. ing. And in the support part 11, the 2nd layer 11b has a larger elasticity modulus than the 1st layer 11a. Thus, in this embodiment, the frame 7 is supported when the solar cell module 1 is stacked on the solar cell module support 9 by increasing the elastic modulus of the second layer 11b in contact with the frame 7. Indentation into the part 11 can be reduced. On the other hand, the 1st layer 11a with a low elasticity modulus can attenuate the transportation vibration transmitted to the solar cell module 1 from the base | substrate part 10, and can make deterioration of the solar cell module 1 accompanying a transport more effective.

第１層１１ａの材質としては、例えば、発泡ポリエチレン、発泡ポリプロピレン、発泡ポリスチレン、ポリウレタン、段ボールを積層したコアなどを用いることができる。また、第２層１１ｂの材質としては、例えば、高密度ポリエチレン、ポリプロピレン、ＡＢＳ樹脂、スチロール樹脂、塩化ビニル樹脂、木材、耐食性アルミニウム合金などを用いることができる。また、支持部１１の弾性率は、支持部１１より試料を切り出して曲げ試験を行うことにより曲げ弾性率として測定することができる。   As the material of the first layer 11a, for example, foamed polyethylene, foamed polypropylene, foamed polystyrene, polyurethane, a core laminated with corrugated cardboard, or the like can be used. As the material of the second layer 11b, for example, high-density polyethylene, polypropylene, ABS resin, styrene resin, vinyl chloride resin, wood, corrosion-resistant aluminum alloy, or the like can be used. Further, the elastic modulus of the support portion 11 can be measured as a bending elastic modulus by cutting a sample from the support portion 11 and performing a bending test.

図８は、本発明の他の実施形態に係る太陽電池モジュール支持体を示す断面図である。本実施形態は、支持部１１の形状が、基体部１０の外周側から載置面１０ａの中央部に向けて下方に傾斜している点で第一の実施形態と相違する。本実施形態によれば、支持部１１を載置面１０ａの中央部に向かって下方に傾斜した形状とすることにより、太陽電池モジュール１の大きさが違う場合であっても枠体７の外周部で支持部１１が接触しやすくなるため、透光性基板２（受光面２ａ）と支持部１１とが接触しにくくなる。その結果、本実施形態によれば、太陽電池素子３や太陽電池素子３とインナーリード４に伝達される振動や衝撃、集中荷重をより低減することができる。さらに、本実施形態では、支持部１１を比較的軟質の材料で構成しても、枠体７が支持部１１にめり込んだとしても、透光性基板２と支持部１１を効率良く離間させることができるため、支持部１１の材質の選択性が高まる。   FIG. 8 is a cross-sectional view showing a solar cell module support according to another embodiment of the present invention. This embodiment is different from the first embodiment in that the shape of the support portion 11 is inclined downward from the outer peripheral side of the base portion 10 toward the central portion of the placement surface 10a. According to the present embodiment, the outer periphery of the frame body 7 is obtained even when the size of the solar cell module 1 is different by forming the support portion 11 to be inclined downward toward the center portion of the mounting surface 10a. This makes it easier for the support 11 to come into contact with each other, making it difficult for the translucent substrate 2 (light receiving surface 2a) and the support 11 to come into contact with each other. As a result, according to this embodiment, the vibration, impact, and concentrated load transmitted to the solar cell element 3, the solar cell element 3, and the inner lead 4 can be further reduced. Furthermore, in this embodiment, even if the support portion 11 is made of a relatively soft material or the frame body 7 is recessed into the support portion 11, the translucent substrate 2 and the support portion 11 can be efficiently separated from each other. Therefore, the selectivity of the material of the support part 11 increases.

図９は、本発明の他の実施形態に係る太陽電池モジュール支持体を示す断面図である。本実施形態は、支持部１１が枠体７に沿った線形状ではなく、互いに離間し、複数箇所で枠体７を支持している点で第一の実施形態と相違する。本実施形態によれば、支持部１１の互いに離間した部分で支持部１１の外側から内側に空気が循環しやすくなるため、太陽電池モジュール１の受光面２ａと基体部１０との間（空隙部１２）における湿気の滞留を低減することがない。その結果、本実施形態によれば、空隙部１２の湿気を低減することにより、高温の倉庫保管時や船舶での輸送時において、透光性基板２や基体部１０の湿気による劣化を低減することができる。なお、本実施形態では、支持部１１で枠体７を十分に支持できればよく、図９に示すように、枠体７の全ての辺を支える構造が好ましい。
なお、本発明は上記実施形態に限定されるものではなく、本発明の範囲内で多くの修正および変更を加えることができる。例えば、支持部１１は、基体部１０に固定されていてもよいし、基体部１０の載置面１０ａ上に載置してあるだけでもよい。また、支持部１１は、基体部１０と一体的に形成されていてもよい。また、図１０に示すように、支持部１１は、基体部１０の載置面１０ａ上ではなく、基体部１０の側面に固定されていてもよい。このような形態では、支持部１１と基体部１０の側面とを、例えば、接着やネジ等で接合してもよい。この実施形態では、第一の実施形態と異なり、支持部１１の全てが太陽電池もモジュールと基体部１０との間に位置していない。このような形態であっても、支持部１１が、太陽電池モジュール１の受光面２ａと基体部１０の主面との間に空隙部１２を介して太陽電池モジュール１の枠体７を支持できれば、第一の実施形態と同等の効果を得ることができる。 FIG. 9 is a cross-sectional view showing a solar cell module support according to another embodiment of the present invention. The present embodiment is different from the first embodiment in that the support portion 11 is not a linear shape along the frame body 7 but is separated from each other and supports the frame body 7 at a plurality of locations. According to the present embodiment, air easily circulates from the outside to the inside of the support portion 11 at the portions of the support portion 11 that are spaced apart from each other, so that the space between the light receiving surface 2a of the solar cell module 1 and the base portion 10 (gap portion) The moisture retention in 12) is not reduced. As a result, according to the present embodiment, the moisture in the gap 12 is reduced, thereby reducing the deterioration of the translucent substrate 2 and the base 10 due to moisture during high-temperature warehouse storage or ship transportation. be able to. In the present embodiment, it is sufficient that the frame body 7 can be sufficiently supported by the support portion 11, and a structure that supports all sides of the frame body 7 as shown in FIG. 9 is preferable.
In addition, this invention is not limited to the said embodiment, Many corrections and changes can be added within the scope of the present invention. For example, the support portion 11 may be fixed to the base portion 10 or may be simply placed on the placement surface 10 a of the base portion 10. Further, the support portion 11 may be formed integrally with the base portion 10. As shown in FIG. 10, the support portion 11 may be fixed to the side surface of the base portion 10 instead of the placement surface 10 a of the base portion 10. In such a form, you may join the support part 11 and the side surface of the base | substrate part 10 by adhesion | attachment, a screw | thread, etc., for example. In this embodiment, unlike the first embodiment, not all of the support portions 11 are located between the module and the base portion 10 in the solar cell. Even if it is such a form, if the support part 11 can support the frame 7 of the solar cell module 1 via the space | gap part 12 between the light-receiving surface 2a of the solar cell module 1 and the main surface of the base | substrate part 10, it will be. The effect equivalent to 1st embodiment can be acquired.

太陽電池モジュールを示す図であり、（ａ）は非受光面側から見た様子を示す平面図、（ｂ）は（ａ）をＡ−Ａ’断面から見た断面図である。It is a figure which shows a solar cell module, (a) is a top view which shows a mode that it saw from the non-light-receiving surface side, (b) is sectional drawing which looked at (a) from the A-A 'cross section. 本発明の第一の実施形態に係る太陽電池モジュール支持体およびその上に積重する太陽電池モジュールを示す図であり、（ａ）太陽電池モジュール支持体に太陽電池モジュールを積重する前の分解斜視図、（ｂ）は太陽電池モジュールを積重した後の太陽電池モジュール支持体の状態を示す斜視図である。BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the solar cell module support body which concerns on 1st embodiment of this invention, and the solar cell module stacked on it, (a) The decomposition | disassembly before stacking a solar cell module on a solar cell module support body A perspective view and (b) are perspective views which show the state of the solar cell module support body after laminating | stacking a solar cell module. 本発明の第一の実施形態に係る太陽電池モジュール支持体およびその上に積重した太陽電池モジュールの断面図である。It is sectional drawing of the solar cell module support body which concerns on 1st embodiment of this invention, and the solar cell module stacked on it. 本発明の第一の実施形態に係る太陽電池モジュール支持体およびその上に積重した太陽電池モジュールをフォークリフトで運搬する様子を示す断面図である。It is sectional drawing which shows a mode that the solar cell module support body which concerns on 1st embodiment of this invention, and the solar cell module stacked on it are conveyed with a forklift. 太陽電池モジュールの梱包の一例を示す図であり、（ａ）は梱包前の様子を示す斜視図であり、（ｂ）は梱包後の様子を示す斜視図である。It is a figure which shows an example of the packing of a solar cell module, (a) is a perspective view which shows the mode before packing, (b) is a perspective view which shows the mode after packing. 太陽電池モジュールの梱包の一例を示す図であり、（ａ）は梱包前の様子を示す斜視図であり、（ｂ）は梱包後の様子を示す斜視図である。It is a figure which shows an example of the packing of a solar cell module, (a) is a perspective view which shows the mode before packing, (b) is a perspective view which shows the mode after packing. 本発明の別の実施形態を示す断面図である。It is sectional drawing which shows another embodiment of this invention. 本発明の別の実施形態を示す断面図である。It is sectional drawing which shows another embodiment of this invention. 本発明の別の実施形態を示す斜視図である。It is a perspective view which shows another embodiment of this invention. 本発明の別の実施形態を示すものであり、（ａ）は太陽電池モジュール支持体の組み立ての様子を示す斜視図、（ｂ）は太陽電池モジュール支持体の斜視図である。FIG. 2 shows another embodiment of the present invention, in which (a) is a perspective view showing a state of assembly of a solar cell module support, and (b) is a perspective view of the solar cell module support.

符号の説明Explanation of symbols

１：太陽電池モジュール
２：透光性基板
３：太陽電池素子
４：インナーリード
５：充填材
６：裏面シート
７：枠体
８：端子ボックス
９：太陽電池モジュール支持体
１０：基体部
１０ａ：載置面
１０ｂ：差込口
１１：支持部
１１ａ：第１層
１１ｂ：第２層
１２：空隙部
１３：梱包材
１４：フォーク
１５：梱包後の太陽電池モジュール
１６：バンド 1: Solar cell module 2: Translucent substrate 3: Solar cell element 4: Inner lead 5: Filler 6: Back sheet 7: Frame body 8: Terminal box 9: Solar cell module support 10: Base portion 10a: Mount Placement surface 10b: insertion slot 11: support portion 11a: first layer 11b: second layer 12: gap portion 13: packing material 14: fork 15: solar cell module 16 after packing: band

Claims (6)

太陽電池素子を覆う受光面を有する透光部材と該受光面の外周部に配された枠体とを有する太陽電池モジュールを支持する太陽電池モジュール支持体であって、
前記太陽電池モジュールの受光面と対向する主面を有する基体部と、
少なくとも一部が前記太陽電池モジュールと前記基体部との間に配置された支持部と、を備え、
前記支持部は、前記太陽電池モジュールの受光面と前記基体部の主面との間に空隙部を介して前記太陽電池モジュールの枠体を支持することを特徴とする太陽電池モジュール支持体。 A solar cell module support that supports a solar cell module having a light-transmitting member having a light-receiving surface that covers the solar cell element and a frame disposed on the outer periphery of the light-receiving surface,
A base portion having a main surface facing the light receiving surface of the solar cell module;
A support portion at least partially disposed between the solar cell module and the base portion,
The said support part supports the frame of the said solar cell module through a space | gap part between the light-receiving surface of the said solar cell module, and the main surface of the said base | substrate part, The solar cell module support body characterized by the above-mentioned. 前記支持部は、前記太陽電池モジュールの枠体に沿った線形部を有す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支持体。   The solar cell module support according to claim 1, wherein the support portion includes a linear portion along a frame body of the solar cell module. 前記支持部は、前記太陽電池モジュールの枠体を全周に亘って支持することを特徴とする請求項１または２に記載の太陽電池モジュール支持体。   The said support part supports the frame of the said solar cell module over a perimeter, The solar cell module support body of Claim 1 or 2 characterized by the above-mentioned. 前記空隙部は、前記太陽電池素子の直下に位置することを特徴とする請求項１乃至請求項３のいずれかに記載の太陽電池モジュール支持体。   The solar cell module support according to any one of claims 1 to 3, wherein the gap is located immediately below the solar cell element. 前記支持部は、前記基体部と接する第１層と、該第１層上に配置され、かつ前記太陽電池モジュールの枠体と接する第２層と、有し、
前記第２層は、前記第１層に比し、弾性率が大きいことを特徴とする請求項１乃至請求項４のいずれかに記載の太陽電池モジュール支持体。 The support portion includes a first layer that contacts the base portion, and a second layer that is disposed on the first layer and contacts the frame of the solar cell module,
The solar cell module support according to any one of claims 1 to 4, wherein the second layer has a larger elastic modulus than the first layer. 前記支持部は、前記基体部の外周側から主面の中央部に向けて下方に傾斜していることを特徴とする請求項１乃至請求項５のいずれかに記載の太陽電池モジュール支持体。   The solar cell module support according to any one of claims 1 to 5, wherein the support portion is inclined downward from an outer peripheral side of the base portion toward a central portion of the main surface.
JP2008278629A 2008-10-29 2008-10-29 Solar battery module support body Pending JP2010109090A (en)

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