JPH07263738A - Thin-film solar cell module - Google Patents
Thin-film solar cell moduleInfo
- Publication number
- JPH07263738A JPH07263738A JP6046253A JP4625394A JPH07263738A JP H07263738 A JPH07263738 A JP H07263738A JP 6046253 A JP6046253 A JP 6046253A JP 4625394 A JP4625394 A JP 4625394A JP H07263738 A JPH07263738 A JP H07263738A
- Authority
- JP
- Japan
- Prior art keywords
- solar cell
- cell module
- thin
- film solar
- exposed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、両面に保護フィルムが
ラミネートされた薄膜太陽電池モジュールに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thin film solar cell module having protective films laminated on both sides.
【0002】[0002]
【従来の技術】薄膜太陽電池から大きな出力を得るため
に、単位太陽電池の複数個をモジュールしたのち、さら
に複数のモジュールを相互に接続する。従って、各モジ
ュールには接続構造が設けられている。図2はそのよう
な接続構造を示す。一般に太陽電池モジュールは、ガラ
スあるいはプラスチックフィルムよりなる絶縁基板1の
一面上に、第一電極層21を形成後、アモルファス半導
体層3、透明な第二電極層22を積層し、他面上に単位
太陽電池間の接続に用いる第三電極層23を設けた構造
を有し、これらを保護するため、太陽電池の両面には接
着樹脂4を介して保護用の防湿フィルム5をラミネート
してモジュール化される。この太陽電池のモジュール間
の接続には防湿フィルムのラミネート端部から樹脂4を
通じて取り出しリード電極端子61、62を外部に引き
出し、通電用のリード電極端子71、72とをはんだ付
けあるいは械的なかしめ等で接続していた。2. Description of the Related Art In order to obtain a large output from a thin-film solar cell, a plurality of unit solar cells are modularized and then a plurality of modules are interconnected. Therefore, each module is provided with a connection structure. FIG. 2 shows such a connection structure. Generally, in a solar cell module, after forming a first electrode layer 21 on one surface of an insulating substrate 1 made of glass or a plastic film, an amorphous semiconductor layer 3 and a transparent second electrode layer 22 are laminated, and a unit is formed on the other surface. It has a structure in which a third electrode layer 23 used for connection between solar cells is provided, and in order to protect these, a moisture-proof film 5 for protection is laminated on both sides of the solar cell via an adhesive resin 4 to form a module. To be done. For connection between the modules of this solar cell, the lead electrode terminals 61 and 62 are taken out from the laminated end of the moisture-proof film through the resin 4 and the lead electrode terminals 71 and 72 for energization are soldered or mechanically caulked. And so on.
【0003】[0003]
【発明が解決しようとする課題】ところで、このような
従来の方法による接続は、取り出しリード電極端子6
1、62と通電用リード電極端子71、72との接続作
業、たとえばはんだ付け作業の際、はんだのかけらが太
陽電池モジュール上に落下して防湿フィルム5を焼損す
る問題があり、機械的なかしめ作業の際には、リード端
子が折れ曲がったり、破損したりする問題があった。そ
のほか、はんだ付作業には電源コンセント、はんだごて
およびはんだを必要とし、かしめ作業にはかしめ用工具
を必要とするなど、作業準備が面倒であるという問題も
あった。By the way, the connection by such a conventional method is performed by taking out the lead electrode terminal 6
During the connection work between the lead wire terminals 1, 62 and the current-carrying lead electrode terminals 71, 72, for example, in the soldering work, there is a problem that a piece of solder drops onto the solar cell module and burns the moisture-proof film 5. During the work, there was a problem that the lead terminal was bent or damaged. In addition, a power outlet, a soldering iron and solder are required for the soldering work, and a caulking tool is required for the caulking work.
【0004】本発明の目的は、上述の問題を解決し、通
電用の導体との接続が簡単にできる薄膜太陽電池モジュ
ールを提供することにある。An object of the present invention is to solve the above-mentioned problems and to provide a thin-film solar cell module which can be easily connected to a current-carrying conductor.
【0005】[0005]
【課題を解決するための手段】上記の目的を達成するた
めに、複数の単位太陽電池が相互に接続されて2枚の保
護フィルムの間にはさまれてなる薄膜太陽電池モジュー
ルにおいて、周縁部近傍で露出した電極端子面に電気的
に接続される接続体が着脱自在に嵌着可能であるものと
する。接続体がほぼコ字状断面を有する絶縁体と、その
内面に固定され、絶縁体を貫通する導体に接続され、電
極端子面に圧接可能のばね性端子片とからなることが良
い。電極端子面が保護フィルムの除去された部分で露出
することが良く、電極端子面の露出部が導電性金属より
なる補強体で覆われたことも良い。In order to achieve the above object, in a thin film solar cell module in which a plurality of unit solar cells are connected to each other and sandwiched between two protective films, a peripheral portion It is assumed that the connection body electrically connected to the electrode terminal surface exposed in the vicinity can be detachably fitted. It is preferable that the connection body includes an insulator having a substantially U-shaped cross section and a spring-like terminal piece fixed to the inner surface thereof, connected to a conductor penetrating the insulator, and press-fittable to the electrode terminal surface. The electrode terminal surface may be exposed at the removed portion of the protective film, and the exposed portion of the electrode terminal surface may be covered with a reinforcing body made of a conductive metal.
【0006】[0006]
【作用】外部の通電用導体と接続される接続体を周縁部
に嵌着させるだけで電気的な接続作業が完了するので、
接続作業はワンタッチで極めて簡単にできる。従って接
続のための作業準備の必要がない。モジュールは、電極
端子面を周縁部で保護フィルムの一部を除去して露出さ
せるだけでよく、取り出しリードを引き出しておく必要
がない。さらに、接続体が着脱自在であるため、太陽電
池モジュールの取替えも簡単にできる。Since the electrical connection work is completed only by fitting the connection body connected to the external current-carrying conductor to the peripheral portion,
Connection work can be done very easily with one touch. Therefore, there is no need to prepare work for connection. In the module, the electrode terminal surface may be exposed by removing a part of the protective film at the peripheral portion, and it is not necessary to pull out the take-out lead. Further, since the connecting body is detachable, the solar cell module can be easily replaced.
【0007】[0007]
【実施例】以下、図を引用して本発明の実施例について
説明する。本発明の実施例の薄膜太陽電池の発電部の構
造は図2の場合と同様である。絶縁基板1としては、ポ
リイミド (東レデュポン社製、商品名カプトン) のフィ
ルムを用い、表面側に金属よりなる第一電極層21、p
−i−n接合を有するアモルファス半導体層3、ITO
よりなる第二電極層22を積層し、裏面側に金属よりな
る第三電極層23を形成し、基板1の貫通孔を通じて第
一電極層21と接続した。さらに両面に接着樹脂4とし
て用いるエチレンビニルアセテート(EVA) (エチレ
ン・酢酸ビニル共重合体) (三共ポリケミカル社製、商
品名エバフレックス) のフィルムを重ね、その上を、保
護用の防湿フィルム5としての表面処理したポリクロト
ルフルオロエチレン (PCTFE) (ダイキン社製、商
品名ダイフロン) のフィルムによって覆い、130℃の
温度で10分間加熱加圧ラミネートした。この場合一面
側のEVAフィルムとPCTFEフィルムの一部に窓孔
を開けた。この結果でき上がった薄膜太陽電池モジュー
ルの周縁部近傍には、図1 (a) に示すように、窓孔8
を通じて第二電極層22が露出している。この露出電極
層22の端子面との接続は、図1 (b) に示すようなコ
ネクタ (接続体)9を用いる。このコネクタ9は、断面
ほぼコ字状のプラスチック製の絶縁性本体91とその内
面に取り付けられたばね性の導電性端子片92とからな
る。この端子片92には、図3に示すように、コネクタ
本体91を貫通するリード線10が接続されている。Embodiments of the present invention will be described below with reference to the drawings. The structure of the power generation part of the thin-film solar cell of the embodiment of the present invention is the same as in the case of FIG. As the insulating substrate 1, a polyimide (manufactured by Toray Dupont, trade name Kapton) film is used, and the first electrode layer 21, p made of metal is formed on the surface side.
-Amorphous semiconductor layer 3 having an in junction, ITO
The second electrode layer 22 made of metal was laminated, the third electrode layer 23 made of metal was formed on the back surface side, and the third electrode layer 23 was connected to the first electrode layer 21 through the through hole of the substrate 1. Further, a film of ethylene vinyl acetate (EVA) (ethylene / vinyl acetate copolymer) (manufactured by Sankyo Polychemical Co., Ltd., trade name Evaflex) to be used as the adhesive resin 4 is laminated on both sides, and a moisture-proof film 5 for protection is placed thereon. Was covered with a film of surface-treated polycrotolufluoroethylene (PCTFE) (manufactured by Daikin, trade name: Daiflon), and laminated under heat and pressure at a temperature of 130 ° C. for 10 minutes. In this case, a window hole was opened in a part of the EVA film and the PCTFE film on the one surface side. As a result, as shown in FIG. 1 (a), a window hole 8 is formed near the periphery of the thin film solar cell module formed as a result.
The second electrode layer 22 is exposed through. To connect this exposed electrode layer 22 to the terminal surface, a connector (connector) 9 as shown in FIG. 1 (b) is used. This connector 9 comprises an insulating main body 91 made of plastic and having a substantially U-shaped cross section, and a spring-like conductive terminal piece 92 attached to the inner surface thereof. As shown in FIG. 3, the lead wire 10 penetrating the connector body 91 is connected to the terminal piece 92.
【0008】薄膜太陽電池モジュールとコネクタ9との
接続は、コネクタ本体91をモジュール縁部に嵌着する
だけで、第二電極層22と、端子片92とが電気的に接
続するようになっている。すなわち、コ字状のコネクタ
本体91の間に太陽電池モジュールの周縁部を嵌め込む
と、端子片92がばねの弾性によって第二電極層22の
露出面に圧接固定すると同時に、端子片92と第二電極
層22とを電気的に接続することができる。To connect the thin-film solar cell module and the connector 9, the second electrode layer 22 and the terminal piece 92 are electrically connected only by fitting the connector body 91 to the edge of the module. There is. That is, when the peripheral portion of the solar cell module is fitted between the U-shaped connector body 91, the terminal piece 92 is pressed and fixed to the exposed surface of the second electrode layer 22 by the elasticity of the spring, and at the same time, the terminal piece 92 and the first The two-electrode layer 22 can be electrically connected.
【0009】同様に、裏面側の保護フィルム5に窓孔を
開け、露出した第三電極層23の端子面に別のコネクタ
9の端子片92を圧接し、第三電極層23を経て第一電
極層21と外部リード線との接続を行う。図4は別の実
施例で、この場合は防湿フィルム5の縁部に切り欠き8
1を設け、第二電極層22を露出させた。この切り欠き
部にコネクタを嵌着することにより、同様にモジュール
への接続が可能になる。Similarly, a window hole is opened in the protective film 5 on the back surface side, the terminal piece 92 of another connector 9 is pressure-contacted to the exposed terminal surface of the third electrode layer 23, and the first electrode is passed through the third electrode layer 23. The electrode layer 21 and the external lead wire are connected. FIG. 4 shows another embodiment. In this case, a cutout 8 is formed at the edge of the moisture-proof film 5.
1 was provided and the second electrode layer 22 was exposed. By fitting the connector into the notch, connection to the module is possible as well.
【0010】図5、図6に示す実施例では、防湿フィル
ム5のラミネート前に、窓孔8あるいは切り欠き81の
下になる部分の電極面を、露出される面積よりやや大き
い寸法の銅、ニッケル、アルミニウムなど導電性金属の
箔11で覆ったのちラミネートしている。これにより、
電極層22、23の密着性が悪い場合にも、露出部では
がれることがない。また、露出部がコネクタ9の着脱に
よる摩擦あるいは損傷にも耐える強度を持つ。なお、こ
の補強用の金属箔11は、ラミネート後に防湿フィルム
5に接着するなどの方法で取り付けてもよい。In the embodiment shown in FIGS. 5 and 6, before laminating the moisture-proof film 5, the portion of the electrode surface below the window hole 8 or the notch 81 is made of copper having a size slightly larger than the exposed area. It is covered with a foil 11 of a conductive metal such as nickel or aluminum and then laminated. This allows
Even when the adhesion between the electrode layers 22 and 23 is poor, the exposed portions do not peel off. In addition, the exposed portion has strength to withstand friction or damage due to attachment / detachment of the connector 9. The metal foil 11 for reinforcement may be attached by a method such as adhering to the moisture-proof film 5 after lamination.
【0011】窓孔8あるいは切り欠き81における電極
層22、23の露出部は、面積が狭いので、取り扱い時
に指などが電極に触れるおそれは少ないが、念のために
絶縁テープ等でマスクすれば、感電等の心配がなく、モ
ジュールの取りつけ作業の安全性が確保できる。以上の
実施例の薄膜太陽電池モジュールを屋根の上にルーフィ
ングを介して取付けた後、モジュール間を、両側にコネ
クタ9の付いたリード線で接続した結果、破損等の欠点
も見られず、接続もワンタッチで簡単にできた。Since the exposed portions of the electrode layers 22 and 23 in the window 8 or the notch 81 have a small area, it is unlikely that a finger or the like touches the electrodes during handling. There is no need to worry about electric shock and the safety of module mounting work can be secured. After the thin-film solar cell modules of the above examples were mounted on the roof via roofing, the modules were connected by lead wires with connectors 9 on both sides, and as a result, defects such as breakage were not seen, and the connections were made. It was also easy with one touch.
【0012】[0012]
【発明の効果】本発明によれば、薄膜太陽電池モジュー
ルの縁部近傍で電極端子面を露出させ、そこにばね性端
子片の圧接などで電気的接続をする接続体を着脱自在に
嵌着させることにより、着脱自在に接続ができ、作業準
備の必要なしにワンタッチで簡単にしかも確実に接続作
業が行えるばかりでなく、感電の心配もなく、かつ、太
陽電池モジュールの電極への接続導体を外部に引き出す
必要もないので、電極の折れ曲がりや破損を未然に防止
できる等優れた効果が期待出来る。According to the present invention, the electrode terminal surface is exposed in the vicinity of the edge portion of the thin-film solar cell module, and the connecting body for electrical connection by pressure contact of the spring-like terminal piece is detachably fitted thereto. By doing so, not only can you connect and disconnect freely, you can easily and reliably connect with one touch without the need for work preparation, there is no fear of electric shock, and you can connect the conductor to the electrode of the solar cell module. Since it is not necessary to pull it out to the outside, excellent effects such as bending and breakage of the electrode can be expected.
【図1】本発明の一実施例の薄膜太陽電池モジュールを
示し、 (a) はその周縁部近傍の斜視図、 (b) は用い
られるコネクタの斜視図1A and 1B show a thin-film solar cell module according to an embodiment of the present invention, in which FIG. 1A is a perspective view near a peripheral portion thereof, and FIG.
【図2】従来の薄膜太陽電池の周縁部近傍の断面図FIG. 2 is a cross-sectional view of the periphery of a conventional thin film solar cell
【図3】図1 (b) に示したコネクタの断面図FIG. 3 is a sectional view of the connector shown in FIG.
【図4】本発明の異なる実施例の薄膜太陽電池モジュー
ル周縁部近傍の斜視図FIG. 4 is a perspective view of the vicinity of a peripheral portion of a thin-film solar cell module according to another embodiment of the present invention.
【図5】本発明の異なる実施例の薄膜太陽電池モジュー
ル周縁部近傍の斜視図FIG. 5 is a perspective view near a peripheral portion of a thin film solar cell module according to another embodiment of the present invention.
【図6】本発明の異なる実施例の薄膜太陽電池モジュー
ル周縁部近傍の斜視図FIG. 6 is a perspective view of the vicinity of a peripheral portion of a thin-film solar cell module according to another embodiment of the present invention.
1 絶縁基板 21 第一電極層 22 第二電極層 3 アモルファス半導体層 4 接着樹脂 5 防湿フィルム 8 窓孔 81 切り欠き 9 コネクタ 91 絶縁性コネクタ本体 92 ばね性端子片 11 金属箔 DESCRIPTION OF SYMBOLS 1 Insulating substrate 21 1st electrode layer 22 2nd electrode layer 3 Amorphous semiconductor layer 4 Adhesive resin 5 Moisture-proof film 8 Window hole 81 Notch 9 Connector 91 Insulating connector main body 92 Spring type terminal piece 11 Metal foil
Claims (4)
枚の保護フィルムの間にはさまれてなるものにおいて、
周縁部近傍で露出した電極端子面に電気的に接続される
接続体が着脱自在に嵌着可能である薄膜太陽電池モジュ
ール。1. A plurality of unit solar cells are connected to each other.
In what is sandwiched between sheets of protective film,
A thin film solar cell module in which a connecting body electrically connected to an electrode terminal surface exposed in the vicinity of a peripheral portion can be detachably fitted.
と、その内面に固定され、絶縁体を貫通する導体に接続
され、電極端子面に圧接可能のばね性端子片とからなる
請求項1記載の薄膜太陽電池モジュール。2. The connecting body comprises an insulator having a substantially U-shaped cross section, and a spring-like terminal piece fixed to the inner surface thereof, connected to a conductor penetrating the insulator, and press-fittable to the electrode terminal surface. Item 3. A thin-film solar cell module according to item 1.
分で露出する請求項1あるいは2記載の薄膜太陽電池モ
ジュール。3. The thin-film solar cell module according to claim 1, wherein the electrode terminal surface is exposed at the removed portion of the protective film.
補強体で覆われた請求項1、2あるいは3記載の薄膜太
陽電池モジュール。4. The thin-film solar cell module according to claim 1, 2 or 3, wherein the exposed portion of the electrode terminal surface is covered with a reinforcement made of a conductive metal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6046253A JPH07263738A (en) | 1994-03-17 | 1994-03-17 | Thin-film solar cell module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6046253A JPH07263738A (en) | 1994-03-17 | 1994-03-17 | Thin-film solar cell module |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH07263738A true JPH07263738A (en) | 1995-10-13 |
Family
ID=12742022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6046253A Pending JPH07263738A (en) | 1994-03-17 | 1994-03-17 | Thin-film solar cell module |
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Country | Link |
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JP (1) | JPH07263738A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010106799A1 (en) * | 2009-03-18 | 2010-09-23 | 富士電機システムズ株式会社 | Solar cell module |
JP2012195540A (en) * | 2011-03-18 | 2012-10-11 | Konica Minolta Holdings Inc | Fixing member of solar cell module and fixing mechanism of solar cell module using the same |
JPWO2016189861A1 (en) * | 2015-05-28 | 2017-12-14 | 日本ゼオン株式会社 | Photoelectric conversion device |
KR20180131749A (en) * | 2017-06-01 | 2018-12-11 | (주)엘지하우시스 | Blind slat assembly having ability of solar generation |
KR20180131751A (en) * | 2017-06-01 | 2018-12-11 | (주)엘지하우시스 | Connector assembly for electrode connecting and blind slat including the same |
KR20180131750A (en) * | 2017-06-01 | 2018-12-11 | (주)엘지하우시스 | Blind having ability of solar generation |
-
1994
- 1994-03-17 JP JP6046253A patent/JPH07263738A/en active Pending
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010106799A1 (en) * | 2009-03-18 | 2010-09-23 | 富士電機システムズ株式会社 | Solar cell module |
CN102301493A (en) * | 2009-03-18 | 2011-12-28 | 富士电机株式会社 | Solar cell module |
JP2013048271A (en) * | 2009-03-18 | 2013-03-07 | Fuji Electric Co Ltd | Solar cell module |
JP5168406B2 (en) * | 2009-03-18 | 2013-03-21 | 富士電機株式会社 | Solar cell module |
JP2013058769A (en) * | 2009-03-18 | 2013-03-28 | Fuji Electric Co Ltd | Solar cell module |
JP2012195540A (en) * | 2011-03-18 | 2012-10-11 | Konica Minolta Holdings Inc | Fixing member of solar cell module and fixing mechanism of solar cell module using the same |
JPWO2016189861A1 (en) * | 2015-05-28 | 2017-12-14 | 日本ゼオン株式会社 | Photoelectric conversion device |
KR20180131749A (en) * | 2017-06-01 | 2018-12-11 | (주)엘지하우시스 | Blind slat assembly having ability of solar generation |
KR20180131751A (en) * | 2017-06-01 | 2018-12-11 | (주)엘지하우시스 | Connector assembly for electrode connecting and blind slat including the same |
KR20180131750A (en) * | 2017-06-01 | 2018-12-11 | (주)엘지하우시스 | Blind having ability of solar generation |
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