JP5988154B2 - In-vehicle solar cell module - Google Patents

In-vehicle solar cell module Download PDF

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JP5988154B2
JP5988154B2 JP2012217336A JP2012217336A JP5988154B2 JP 5988154 B2 JP5988154 B2 JP 5988154B2 JP 2012217336 A JP2012217336 A JP 2012217336A JP 2012217336 A JP2012217336 A JP 2012217336A JP 5988154 B2 JP5988154 B2 JP 5988154B2
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solar cell
surface side
light receiving
cell module
vehicle
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JP2014072376A (en
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裕幸 神納
裕幸 神納
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Panasonic Intellectual Property Management 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
    • 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

Description

本発明は、車載用太陽電池モジュールに関する。   The present invention relates to an in-vehicle solar cell module.

太陽電池モジュールを車両に搭載することが検討されている。特許文献１には、車両の曲面上の外板の外面に形成された凹部に嵌め込む光電変換素子が開示されている。ここでは、ｐｎ接合を有する半導体結晶粒子をアルミニウム等の導電性基板に接合し、半導体結晶粒子の上部側に透光板を配置し、導電性基板の裏面側にバックシートを配置する。バックシートは、樹脂、樹脂フィルムにアルミニウム箔や金属酸化膜を挟んで貼りあわせたシート、ステンレス等の金属シートが用いられる。   It has been studied to mount a solar cell module on a vehicle. Patent Document 1 discloses a photoelectric conversion element that fits into a recess formed on an outer surface of an outer plate on a curved surface of a vehicle. Here, semiconductor crystal particles having a pn junction are bonded to a conductive substrate such as aluminum, a light transmitting plate is disposed on the upper side of the semiconductor crystal particles, and a back sheet is disposed on the back surface side of the conductive substrate. As the back sheet, a resin, a sheet obtained by bonding an aluminum foil or a metal oxide film to a resin film, and a metal sheet such as stainless steel are used.

特開２００７−１３４５７１号公報JP 2007-134571 A

取り付けられた車両と意匠を調和させつつ、出力の損失を抑制した車載用太陽電池モジュールを提供する。 While harmonizing the attached vehicle and the design, providing a vehicle for a solar cell module which suppresses loss of output.

本開示に係る車載用太陽電池モジュールは、車両の一部を構成し、光を反射する凹部を有するフレーム部と、複数の太陽電池を接続した太陽電池ストリングを、受光面側保護部材と裏面側保護部材との間に、受光面側封止材と裏面側封止材とを用いて固定して形成される太陽電池パネルと、太陽電池パネルを固定する保持部材と、を有し、受光面側保護部材、裏面側保護部材、受光面側封止材、及び裏面側封止材は、透明であり、凹部は、第一の凹部の底面内に更に第二の凹部を備えており、第二の凹部とは異なる領域に形成された第一の凹部の底面上に、受光面保護部材の裏面側の面の周縁部が接着されて支持される。 An in-vehicle solar cell module according to the present disclosure includes a frame portion having a concave portion that reflects light and a solar cell string in which a plurality of solar cells are connected, and a light receiving surface side protection member and a back surface side. between the protective member, it possesses a solar cell panel formed by fixing with a light-receiving surface-side sealing member and the back surface side sealing material, a holding member for fixing the solar cell panel, a light-receiving The surface side protection member, the back surface side protection member , the light receiving surface side sealing material, and the back surface side sealing material are transparent, and the recess is further provided with a second recess in the bottom surface of the first recess, on the bottom surface of the first concave portion formed in a region different from the second recess, the peripheral portion of the back side surface of the light receiving surface protection member Ru is supported by being bonded.

上記構成によれば、取り付けられた車両と意匠を調和させつつ、出力の損失を抑制することができる。

According to the above configuration, while harmonizing the attached vehicle and the design, the loss of output can be suppressed.

本発明の実施の形態において、車両に搭載される太陽電池モジュールを示す図である。In embodiment of this invention, it is a figure which shows the solar cell module mounted in a vehicle. 図１のＡ−Ａ線に沿った断面図である。It is sectional drawing along the AA line of FIG. 図1の構成において、発電効率の向上を説明する図である。FIG. 2 is a diagram for explaining improvement in power generation efficiency in the configuration of FIG.

以下に図面を用いて、本発明の実施の形態を詳細に説明する。以下では、全ての図面において一または対応する要素には同一の符号を付し、重複する説明を省略する。   Embodiments of the present invention will be described below in detail with reference to the drawings. Hereinafter, in all the drawings, one or the corresponding element is denoted by the same reference numeral, and redundant description is omitted.

図１は、車両８に搭載された太陽電池モジュール１０を示す図である。以下では、車両８に搭載される太陽電池モジュール１０を、特に断らない限り太陽電池モジュール１０と呼ぶことにする。太陽電池モジュール１０は、太陽電池パネル１２が車両８の車体におけるルーフ部の外板１４に設けられた凹部１６に嵌め込まれて構成される。なお、本願発明のフレーム部は、本実施形態の外板１４に対応する。   FIG. 1 is a diagram showing a solar cell module 10 mounted on a vehicle 8. Hereinafter, the solar cell module 10 mounted on the vehicle 8 will be referred to as the solar cell module 10 unless otherwise specified. The solar cell module 10 is configured by fitting a solar cell panel 12 into a recess 16 provided on an outer plate 14 of a roof portion of a vehicle 8. The frame portion of the present invention corresponds to the outer plate 14 of the present embodiment.

図２は、図１のＡ−Ａ線に沿った断面図である。太陽電池モジュール１０は、太陽電池パネル１２と、太陽電池パネル１２が嵌め込まれる凹部１６を有する車体の一部を構成する外板１４と、太陽電池パネル１２を外板１４の凹部１６に嵌め込んで保持する保持部材１８を含んで構成される。   FIG. 2 is a cross-sectional view taken along line AA in FIG. The solar cell module 10 includes a solar cell panel 12, an outer plate 14 constituting a part of a vehicle body having a recess 16 in which the solar cell panel 12 is fitted, and the solar cell panel 12 fitted in the recess 16 of the outer plate 14. The holding member 18 is configured to be held.

太陽電池パネル１２は、複数の太陽電池２０が配線材２２，２４で互いに接続された太陽電池ストリング２６を有する。太陽電池パネル１２は、受光面側保護部材４０、受光面側封止材２８、太陽電池ストリング２６、裏面側封止材３８、裏面側保護部材４２を順次積層して構成される。   The solar cell panel 12 includes a solar cell string 26 in which a plurality of solar cells 20 are connected to each other by wiring members 22 and 24. The solar cell panel 12 is configured by sequentially laminating a light receiving surface side protection member 40, a light receiving surface side sealing material 28, a solar cell string 26, a back surface side sealing material 38, and a back surface side protection member 42.

太陽電池２０は、太陽光等の光を受光することで正孔および電子の光生成キャリアを生成する光電変換部を備える。光電変換部は、例えば、結晶性シリコン（ｃ−Ｓｉ）、ガリウム砒素（ＧａＡｓ）、インジウム燐（ＩｎＰ）等の半導体材料の基板を有する。光電変換部の構造は、広義のｐｎ接合である。例えば、ｎ型単結晶シリコン基板と非晶質シリコンのヘテロ接合を用いることができる。この場合、受光面側の基板上に、ｉ型非晶質シリコン層と、ボロン（Ｂ）等がドープされたｐ型非晶質シリコン層と、酸化インジウム（Ｉｎ2Ｏ3）の透光性導電酸化物で構成される透明導電膜（ＴＣＯ）を積層し、基板の裏面側に、ｉ型非晶質シリコン層と、燐（Ｐ）等がドープされたｎ型非晶質シリコン層と、透明導電膜を積層する構造とできる。 The solar cell 20 includes a photoelectric conversion unit that generates light-generated carriers of holes and electrons by receiving light such as sunlight. The photoelectric conversion unit includes, for example, a substrate made of a semiconductor material such as crystalline silicon (c-Si), gallium arsenide (GaAs), or indium phosphide (InP). The structure of the photoelectric conversion unit is a pn junction in a broad sense. For example, a heterojunction of an n-type single crystal silicon substrate and amorphous silicon can be used. In this case, an i-type amorphous silicon layer, a p-type amorphous silicon layer doped with boron (B) or the like, and indium oxide (In 2 O 3 ) translucency on the substrate on the light-receiving surface side. A transparent conductive film (TCO) composed of a conductive oxide is laminated, and an i-type amorphous silicon layer and an n-type amorphous silicon layer doped with phosphorus (P) or the like on the back side of the substrate, A transparent conductive film can be laminated.

光電変換部は、太陽光等の光を電気に変換する機能を有すれば、これ以外の構造であってもよい。例えば、ｐ型多結晶シリコン基板と、その受光面側に形成されたｎ型拡散層と、その裏面側に形成されたアルミニウム膜とを備える構造であってもよい。   The photoelectric conversion unit may have a structure other than this as long as it has a function of converting light such as sunlight into electricity. For example, a structure including a p-type polycrystalline silicon substrate, an n-type diffusion layer formed on the light-receiving surface side, and an aluminum film formed on the back surface side may be used.

配線材２２，２４は、光電変換部上に導電ペースト等を用いて形成された接続用電極に接着剤を介して接続される導電性部材である。配線材２２，２４としては、銅等の導電性材料で構成される薄板が用いられる。薄板に代えて撚り線状のものを用いることもできる。導電性材料としては、銅の他に、銀、アルミニウム、ニッケル、錫、金、あるいはこれらの合金を用いることができる。   The wiring members 22 and 24 are conductive members that are connected to a connection electrode formed on the photoelectric conversion portion using a conductive paste or the like via an adhesive. As the wiring members 22 and 24, thin plates made of a conductive material such as copper are used. Instead of a thin plate, a stranded wire can be used. As the conductive material, in addition to copper, silver, aluminum, nickel, tin, gold, or an alloy thereof can be used.

接着剤としては、アクリル系、柔軟性の高いポリウレタン系、あるいはエポキシ系等の熱硬化性樹脂接着剤を用いることができる。接着剤には、導電性粒子が含まれる。導電性粒子としては、ニッケル、銀、金コート付ニッケル、錫メッキ付銅等を用いることができる。接着剤として、絶縁性の樹脂接着剤を用いることもできる。この場合には、配線材２２，２４と接続用電極の互いに対向する面は、部分的に接触して電気的接続を取るようにする。   As the adhesive, a thermosetting resin adhesive such as acrylic, highly flexible polyurethane, or epoxy can be used. The adhesive includes conductive particles. As the conductive particles, nickel, silver, nickel with gold coating, copper with tin plating, or the like can be used. An insulating resin adhesive can also be used as the adhesive. In this case, the mutually opposing surfaces of the wiring members 22 and 24 and the connection electrodes are in partial contact so as to be electrically connected.

受光面側封止材２８と裏面側封止材３８は、太陽電池２０を受光面側保護部材４０と裏面側保護部材４２の間に固定するための部材である。これらの封止材２８，３８は、耐熱性、接着性、柔軟性、成形性、耐久性等を考慮して材質が選定される。受光面側封止材２８及び裏面側封止材３８は、入射した光を吸収したり反射することなく透過させることができる透明封止材が用いられる。例えば、ポリエチレン系のオレフィン樹脂やエチレンビニルアセテート（ＥＶＡ）等が用いられる。ＥＶＡ以外には、ＥＥＡ、ＰＶＢ、シリコーン系樹脂、ウレタン系樹脂、アクリル系樹脂、エポキシ系樹脂等を用いることもできる。   The light receiving surface side sealing material 28 and the back surface side sealing material 38 are members for fixing the solar cell 20 between the light receiving surface side protection member 40 and the back surface side protection member 42. These sealing materials 28 and 38 are selected in consideration of heat resistance, adhesiveness, flexibility, moldability, durability, and the like. The light-receiving surface side sealing material 28 and the back surface side sealing material 38 are made of a transparent sealing material that can transmit incident light without absorbing or reflecting. For example, polyethylene-based olefin resin, ethylene vinyl acetate (EVA), or the like is used. In addition to EVA, EEA, PVB, silicone resin, urethane resin, acrylic resin, epoxy resin, and the like can also be used.

受光面側保護部材４０は、外部から光を取り入れることができる透明な板体またはフィルムである。受光面側保護部材４０としては、ガラス板、樹脂板、樹脂フィルム等の透光性を有する部材を用いることができる。   The light-receiving surface side protection member 40 is a transparent plate or film that can take in light from the outside. As the light-receiving surface side protection member 40, a light-transmitting member such as a glass plate, a resin plate, or a resin film can be used.

裏面側保護部材４２は、裏面側の外部から入射する光を透過することができる透明な板体またはシートである。裏面側保護部材４２としては、受光面側保護部材４０同様、ガラス板、樹脂板、樹脂フィルム等の透光性を有する部材を用いることができる。   The back surface side protection member 42 is a transparent plate or sheet that can transmit light incident from the outside on the back surface side. As the back surface side protection member 42, similarly to the light receiving surface side protection member 40, a light transmissive member such as a glass plate, a resin plate, or a resin film can be used.

外板１４は、車両８の車体の少なくとも一部を形作るもので、金属色や塗装色によって、光を反射する表面を有する。外板１４には、凹部１６が設けられる。凹部１６は、太陽電池パネル１２を嵌め込むために、ルーフ部の外板１４の外表面の一部をくぼませた部分である。凹部１６は、太陽電池パネル１２の受光面側保護部材４０の裏面４４の周縁部を支持する支持面３０と、太陽電池パネル１２の裏面側の空間とが形成されるように、大きなくぼみの中に底面４６を有する小さなくぼみが形成された形状となるように構成される。なお、くぼみの底面４６は、外板１４の表面であるので、光反射性を有する。   The outer plate 14 forms at least a part of the vehicle body of the vehicle 8 and has a surface that reflects light depending on a metal color or a paint color. The outer plate 14 is provided with a recess 16. The concave portion 16 is a portion where a part of the outer surface of the outer plate 14 of the roof portion is recessed in order to fit the solar cell panel 12. The recess 16 is formed in a large recess so that a support surface 30 that supports the peripheral edge of the back surface 44 of the light receiving surface side protection member 40 of the solar cell panel 12 and a space on the back surface side of the solar cell panel 12 are formed. It is comprised so that it may become a shape in which the small hollow which has the bottom face 46 was formed. In addition, since the bottom face 46 of the dent is the surface of the outer plate 14, it has light reflectivity.

保持部材１８は、外板１４の凹部１６に太陽電池パネル１２を嵌め込んで保持するための樹脂材である。保持部材１８は、凹部１６の大きなくぼみの底面である支持面３０と太陽電池パネル１２の受光面側保護部材４０との間に配置され、太陽電池パネル１２と外板１４を接着する。保持部材１８としては、樹脂ゴムを用いることができる。樹脂ゴムとしては、イソプレンゴム、スチレンゴム、ブタジエンゴム、ウレタンゴム、フッ素ゴム、ブチルゴム、シリコーン樹脂等を用いることができる。樹脂ゴム以外で、外板１４の金属材料の弾性率よりも小さな弾性率を有する樹脂を用いてもよい。例えば、セルロースアセテート、フエノール樹脂、エポキシ樹脂、アクリル系フォーム等を用いることができる。   The holding member 18 is a resin material for fitting and holding the solar cell panel 12 in the recess 16 of the outer plate 14. The holding member 18 is disposed between the support surface 30 that is the bottom surface of the large recess of the recess 16 and the light receiving surface side protection member 40 of the solar cell panel 12, and adheres the solar cell panel 12 and the outer plate 14. As the holding member 18, a resin rubber can be used. As the resin rubber, isoprene rubber, styrene rubber, butadiene rubber, urethane rubber, fluorine rubber, butyl rubber, silicone resin, or the like can be used. Other than the resin rubber, a resin having an elastic modulus smaller than that of the metal material of the outer plate 14 may be used. For example, cellulose acetate, phenol resin, epoxy resin, acrylic foam, or the like can be used.

保持部材１８で太陽電池パネル１２の受光面側保護部材４０と外板１４を接着する。これにより、裏面側保護部材４２と外板１４の支持面３０を接着した場合に比べ、接着強度を強めることができる。更には、太陽電池パネル１２の受光面側封止材２８と裏面側封止材３８の端面を、太陽電池パネル１２と外板１４の接着界面から離隔することができる。この結果、太陽電池パネル１２の受光面側封止材２８と裏面側封止材３８から水分が侵入することにより生じる太陽電池２０の特性低下を抑制することができる。   The light receiving surface side protection member 40 of the solar cell panel 12 and the outer plate 14 are bonded by the holding member 18. Thereby, compared with the case where the back surface side protection member 42 and the support surface 30 of the outer plate 14 are adhere | attached, adhesive strength can be strengthened. Furthermore, the end surfaces of the light receiving surface side sealing material 28 and the back surface side sealing material 38 of the solar cell panel 12 can be separated from the adhesion interface between the solar cell panel 12 and the outer plate 14. As a result, it is possible to suppress deterioration in the characteristics of the solar cell 20 caused by moisture entering from the light receiving surface side sealing material 28 and the back surface side sealing material 38 of the solar cell panel 12.

また図２に示されるように、外板１４は、２段階のくぼみである凹部１６が構成され、凹部１６内に形成された段差が支持面３０となるように構成される。これによって、太陽電池モジュール１０の受光面側保護部材４０の受光面と、外板１４の凹部１６外周部の面との間の段差を小さくなるように太陽電池モジュール１０を車両８に設置することができる。この結果、意匠性を向上させることができるだけでなく、車両８の走行時における騒音の抑制を図ることができる。なお、図２では太陽電池モジュール１０の受光面側保護部材４０の上面が平坦面として示した。しかし、凹部１６が設けられる外板１４が流線型の曲面を有する場合は、太陽電池モジュール１０に可撓性を持たせることで、受光面側保護部材４０の上面と、凹部外周部の上面とが一つの面形状を構成するようにできる。   As shown in FIG. 2, the outer plate 14 is configured such that a recess 16 that is a two-step depression is formed, and a step formed in the recess 16 becomes a support surface 30. Thus, the solar cell module 10 is installed in the vehicle 8 so as to reduce the step between the light receiving surface of the light receiving surface side protection member 40 of the solar cell module 10 and the outer peripheral surface of the recess 16 of the outer plate 14. Can do. As a result, not only can the design be improved, but also noise can be suppressed when the vehicle 8 is traveling. In FIG. 2, the upper surface of the light receiving surface side protection member 40 of the solar cell module 10 is shown as a flat surface. However, when the outer plate 14 provided with the concave portion 16 has a streamlined curved surface, the upper surface of the light receiving surface side protection member 40 and the upper surface of the outer peripheral portion of the concave portion are provided by making the solar cell module 10 flexible. One surface shape can be formed.

図２に示されるように、裏面側保護部材４２の裏面４４と凹部１６の底面４６との間は、間隔４８が設けられる。この間隔４８を介して、太陽電池モジュール１２の出力を取り出すための図示しない配線は、車内に引き込まれる。   As shown in FIG. 2, a gap 48 is provided between the back surface 44 of the back surface side protection member 42 and the bottom surface 46 of the recess 16. Via this interval 48, wiring (not shown) for taking out the output of the solar cell module 12 is drawn into the vehicle.

図３は、外部からの光が太陽電池パネル１２を透過し、凹部１６に入射し、底面４６で反射され、太陽電池２０の裏面に再度、入射する様子を示す図である。このように、太陽電池パネル１２において、受光面側封止材２８と裏面側封止材３８、受光面側保護部材４０と裏面側保護部材４２を透明とし、光を反射することができる底面４６とすることで、太陽電池２０で吸収されなかった光を再度太陽電池２０に入射させることができ、太陽電池パネル１２の発電効率を向上させることができる。   FIG. 3 is a diagram illustrating a state in which light from the outside passes through the solar cell panel 12, enters the recess 16, is reflected by the bottom surface 46, and is incident again on the back surface of the solar cell 20. Thus, in the solar cell panel 12, the light receiving surface side sealing material 28 and the back surface side sealing material 38, the light receiving surface side protection member 40 and the back surface side protection member 42 are transparent, and the bottom surface 46 can reflect light. By doing so, the light that has not been absorbed by the solar cell 20 can be incident on the solar cell 20 again, and the power generation efficiency of the solar cell panel 12 can be improved.

また、図２の構成では、太陽電池パネル１２は、太陽電池２０と配線材２２，２４以外、受光面側封止材２８と裏面側封止材３８、及び受光面側保護部材４０と裏面側保護部材４２は透明である。このため、車両８の外板１４の凹部１６に嵌め込まれた太陽電池パネル１２においても外板１４の色が視認でき、車両８と太陽電池パネル１２を調和させることが可能となり、意匠性が向上する。   In the configuration of FIG. 2, the solar cell panel 12 includes the light receiving surface side sealing material 28 and the back surface side sealing material 38, and the light receiving surface side protection member 40 and the back surface side, except for the solar cell 20 and the wiring materials 22 and 24. The protection member 42 is transparent. For this reason, the color of the outer plate 14 can be visually recognized even in the solar cell panel 12 fitted in the concave portion 16 of the outer plate 14 of the vehicle 8, and the vehicle 8 and the solar cell panel 12 can be harmonized, thereby improving the design. To do.

このように、太陽電池モジュール１０を車両８に搭載することで、車両８の外板１４の色をそのまま太陽電池ストリング２６の背景色とすることができる。   Thus, by mounting the solar cell module 10 on the vehicle 8, the color of the outer plate 14 of the vehicle 8 can be used as the background color of the solar cell string 26 as it is.

上記では、太陽電池モジュールとして、太陽電池パネル１２が車両８の車体のルーフ部に凹部１６を設けた例を説明したが、ルーフ部以外であってもよい。例えば、車両のボンネット部、トランク部、ドア部を含む側面に嵌め込んでもよい。   Although the example which provided the recessed part 16 in the roof part of the vehicle body of the vehicle 8 as a solar cell module was demonstrated above, other than a roof part may be sufficient. For example, you may fit in the side surface containing the bonnet part of a vehicle, a trunk part, and a door part.

また、太陽電池パネル１２が車体の外板１４の凹部１６に嵌め込まれるものとしたが、これ以外に、外板１４の外側に太陽電池パネル１２を取り付けるものとしてもよい。例えば、車体の外板１４のルーフ部から浮かせて取り付けてもよい。その場合には、車体の外板１４上に太陽電池パネル１２を一定の間隔を隔てて配置されるように金具等からなる保持部材を用いて固定される。   Moreover, although the solar cell panel 12 shall be inserted in the recessed part 16 of the outer plate | board 14 of a vehicle body, it is good also as what attaches the solar cell panel 12 to the outer side of the outer plate | plate 14 besides this. For example, you may float and attach from the roof part of the outer plate | board 14 of a vehicle body. In that case, the solar cell panel 12 is fixed on the outer plate 14 of the vehicle body using a holding member made of a metal fitting or the like so as to be arranged at a predetermined interval.

さらには、太陽電池を両面発電型として述べたが、片面発電型の太陽電池であってもよい。   Furthermore, although the solar cell has been described as a double-sided power generation type, a single-sided power generation type solar cell may be used.

また上記説明で記載した材質、厚さ、寸法等は説明のための例示であって、太陽電池モジュールの仕様に応じ、適宜変更が可能である。   Moreover, the material, thickness, dimension, etc. which were described in the said description are the illustrations for description, Comprising: According to the specification of a solar cell module, it can change suitably.

８ 車両、１０ 太陽電池モジュール、１２ 太陽電池パネル、１４ 外板、１６ 凹部、１８ 保持部材、２０ 太陽電池、２２，２４ 配線材、２６ 太陽電池ストリング、３０ 支持面、２８，３８ 封止材、４０，４２ 保護部材、４４ （保護部材の）裏面、４６ 底面、４８ 隙間間隔。   8 Vehicle, 10 Solar cell module, 12 Solar cell panel, 14 Outer plate, 16 Recess, 18 Holding member, 20 Solar cell, 22, 24 Wiring material, 26 Solar cell string, 30 Support surface, 28, 38 Sealing material, 40, 42 Protection member, 44 Back surface (of protection member), 46 Bottom surface, 48 Clearance spacing.

Claims (4)

車両の一部を構成し、光を反射する凹部を有するフレーム部と、
複数の太陽電池を接続した太陽電池ストリングを、受光面側保護部材と裏面側保護部材との間に、受光面側封止材と裏面側封止材とを用いて固定して形成される太陽電池パネルと、
前記太陽電池パネルを固定する保持部材と、を有し、
前記受光面側保護部材、前記裏面側保護部材、前記受光面側封止材、及び前記裏面側封止材は、透明であり、
前記凹部は、第一の凹部の底面内に更に第二の凹部を備えており、前記第二の凹部とは異なる領域に形成された前記第一の凹部の底面上に、前記受光面保護部材の裏面側の面の周縁部が接着されて支持される、車載用太陽電池モジュール。 A frame part that constitutes a part of the vehicle and has a recess for reflecting light;
A solar cell formed by fixing a solar cell string in which a plurality of solar cells are connected between a light receiving surface side protective member and a back surface side protective member using a light receiving surface side sealing material and a back surface side sealing material. A battery panel;
A holding member for fixing the solar cell panel,
The light receiving surface side protective member, the back surface side protective member, the light receiving surface side sealing material, and the back surface side sealing material are transparent,
The concave portion further includes a second concave portion in the bottom surface of the first concave portion, and the light receiving surface protection member is formed on the bottom surface of the first concave portion formed in a region different from the second concave portion. of the peripheral portion of the backside surface is Ru is supported by being bonded, automotive solar cell module. 請求項１に記載の車載用太陽電池モジュールにおいて、
断面視で、前記フレーム部の高さ方向における受光面側の端面と、前記受光面側保護部材の高さ方向における受光面側の端面の高さは実質的に等しい、車載用太陽電池モジュール。 In the vehicle-mounted solar cell module according to claim 1,
The vehicle-mounted solar cell module in which the height of the end surface on the light receiving surface side in the height direction of the frame portion and the height of the end surface on the light receiving surface side in the height direction of the light receiving surface side protection member are substantially equal in a cross-sectional view . 請求項２に記載の車載用太陽電池モジュールにおいて、
前記第二の凹部で反射した光は、前記裏面側保護材と前記裏面側封止材を介して前記複数の太陽電池に入射する、車載用太陽電池モジュール。 The in-vehicle solar cell module according to claim 2,
The light reflected by the second recess, you incident on the plurality of solar cells through the back surface side sealing material and the back-surface-side protection member, automotive solar cell module. 請求項１から３のいずれか１に記載の車載用太陽電池モジュールにおいて、
前記複数の太陽電池は、両面受光型である、車載用太陽電池モジュール。 In the vehicle-mounted solar cell module according to any one of claims 1 to 3,
Wherein the plurality of solar cells, Ru bifacial der-vehicle solar cell module.
JP2012217336A 2012-09-28 2012-09-28 In-vehicle solar cell module Expired - Fee Related JP5988154B2 (en)

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