JPS6167966A - Solar cell array - Google Patents

Solar cell array

Info

Publication number
JPS6167966A
JPS6167966A JP59190038A JP19003884A JPS6167966A JP S6167966 A JPS6167966 A JP S6167966A JP 59190038 A JP59190038 A JP 59190038A JP 19003884 A JP19003884 A JP 19003884A JP S6167966 A JPS6167966 A JP S6167966A
Authority
JP
Japan
Prior art keywords
solar cell
opening
bus bar
printed wiring
insulating substrate
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
Application number
JP59190038A
Other languages
Japanese (ja)
Inventor
Koji Sakurai
宏治 桜井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to JP59190038A priority Critical patent/JPS6167966A/en
Publication of JPS6167966A publication Critical patent/JPS6167966A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/05Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/544Solar cells from Group III-V materials

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)

Abstract

PURPOSE:To simplify a connection of wires and to enable the use of a thin substrate by connecting a printed wiring on a back surface of an insulating substrate with a bus bar or a back electrode of a solar cell through an opening formed on the substrate. CONSTITUTION:When using a bus bar 3, it is connected electrically with a printed wiring 5 in an opening 6 formed on an insulating substrate 4. At that time, a front end side 14 of the bus bar 3 curves downward so as to close the opening 6 and the wiring 5 curves upward into the opening 6. These can be connected easily by welding or soldering. Particularly there is no possibility of a decline in strength even if a thin substrate is used so that lightening becomes possible. Furthermore it is also possible to fix a cell 15 to a wiring 20 directly without using a bus bar. In that case, electrode parts 17 and 19 of plural cells 15 are connected with the printed wiring 20 curving upward in the opening 16. By this constitution, an adhesive becomes needless and lightening can be contrived.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は人工衛星用、地上用、民生用として利用される
大電力供給可能な太陽電池アレイに関する。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a solar cell array capable of supplying large amounts of power for use in artificial satellites, on the ground, and for civilian use.

(従来の技術) 太陽電池アレイaは、複数の太陽電池セルCが接着材d
によって基板す上に接着固定されたもので、第4図には
3つの太陽電池セルcl、c2゜c3が接続された状態
を例示している。
(Prior art) A solar cell array a has a plurality of solar cells C attached to an adhesive d.
FIG. 4 illustrates a state in which three solar cells cl, c2 and c3 are connected.

第4図において、第1の太陽電池セルclの受光面側電
極e1はインタコネクタf1を介して隣接する第2の太
陽電池セルC2の裏面電極g2に接続され、該第2の太
陽電池セルC2の受光面側電極e2は、インクコネクタ
f2を介してさらに隣接する第3の太陽電池セルC3の
裏面電極g3に接続されている。前記基板すの第3の太
陽電池セルC3近傍に開孔りが形成されており、前記第
3の太陽電池セルC3の受光面側電極e3に接続された
ブスバーiが挿通され、該ブスバーiの先端部は、基板
すの裏面側で電vAjに接続されている。
In FIG. 4, the light-receiving surface side electrode e1 of the first solar cell cl is connected to the back surface electrode g2 of the adjacent second solar cell C2 via the interconnector f1, and the second solar cell C2 The light-receiving surface side electrode e2 is connected to the back surface electrode g3 of the further adjacent third solar cell C3 via the ink connector f2. An opening is formed in the vicinity of the third solar cell C3 of the substrate, through which the busbar i connected to the light-receiving surface side electrode e3 of the third solar cell C3 is inserted. The tip is connected to the voltage vAj on the back side of the board.

図中、にはカバーガラス、jlはカバーガラス用接着剤
1mはPN接合面を例示している。
In the figure, indicates a cover glass, jl indicates a cover glass adhesive, and 1m indicates a PN bonding surface.

(発明が解決しようとする問題点) 上述した太陽電池アレイaは主として基板すが数鰭以上
の厚い場合には、十分な強度を保持するが2例えば、1
/10mm程度の薄い基板を用いると、基板を前記ブス
バーにて貫通せしめているので、基板自体の強度が十分
でなく、実用化が困難である。
(Problems to be Solved by the Invention) The above-described solar cell array a maintains sufficient strength when the substrate is thicker than a few fins.
If a thin substrate of about /10 mm is used, the substrate itself is not strong enough because the bus bar is passed through the substrate, making it difficult to put it into practical use.

また、前記太陽電池セルCと基板す間を接着している接
着剤dは耐熱性、耐放射線、耐紫外線。
Furthermore, the adhesive d bonding the solar cell C and the substrate is heat resistant, radiation resistant, and ultraviolet ray resistant.

揮発性の良好な例えばシリコーン等の材質からなる高分
子物質を用いる必要があるので、極めて高価となる。さ
らに、この種の接着剤dは熱膨張係数が太陽電池セルの
数十倍と大きいため、耐熱性の設計が困難である。特に
、大型衛星や宇宙基地および太陽発電衛星には、(1)
軽量性、(2)宇宙環境における安定性、(3)信頬性
、(4)コンパクト化等の条件を満足する太陽電池アレ
イが望まれており。
Since it is necessary to use a polymeric substance made of a material with good volatility, such as silicone, it is extremely expensive. Furthermore, since this type of adhesive d has a coefficient of thermal expansion several tens of times larger than that of a solar cell, it is difficult to design heat resistance. In particular, for large satellites, space bases, and solar power generation satellites, (1)
There is a desire for a solar cell array that satisfies conditions such as light weight, (2) stability in a space environment, (3) reliability, and (4) compactness.

従来の太陽電池アレイでは、それらの条件を十分に満足
できないものである。
Conventional solar cell arrays cannot fully satisfy these conditions.

(問題点を解決するための手段) 本発明は、絶縁基板の表面側に複数の太陽電池セルが設
けられた太陽電池アレイであって、絶縁基板の裏面側に
形成されたプリント配線と、ブスバーもしくは前記太陽
電池セルの裏面側に形成された電極との双方もしくは一
方が絶縁基板に形成された開孔を通じて接続されてなる
太陽電池プレイに係る。
(Means for Solving the Problems) The present invention provides a solar cell array in which a plurality of solar cells are provided on the front side of an insulating substrate, and a printed wiring formed on the back side of the insulating substrate and a bus bar. Alternatively, the present invention relates to a solar cell play in which both or one of the electrodes formed on the back side of the solar cell is connected through an opening formed in an insulating substrate.

(作用) 絶縁基板に形成された開孔を介してブスバーとプリント
配線が電気的に接続される。
(Function) The bus bar and the printed wiring are electrically connected through the openings formed in the insulating substrate.

また、前記開孔を介してプリント配線と太陽電池セルの
裏面側に形成された電極とを直接電気的に接続させるこ
とによって当該太陽電池セルが絶縁基板上に固定され、
接着剤を不要となす。
Further, the solar cell is fixed on the insulating substrate by directly electrically connecting the printed wiring and the electrode formed on the back side of the solar cell through the opening,
Eliminates the need for adhesive.

(実施例) 以下1本発明の実施例について図面を参照して説明する
(Example) An example of the present invention will be described below with reference to the drawings.

本発明に係る太陽電池アレイは、ブスバーとプリント配
線とを電気的に接続する結線構造を提供す場合と、接着
剤を用いずに太陽電池セルを固定する場合との双方に適
用されるもので、前者の場合の実施例を第1図に示し、
後者の場合の実施例を第2図に示す。
The solar cell array according to the present invention is applicable both to providing a wiring structure for electrically connecting bus bars and printed wiring, and to fixing solar cells without using adhesive. , an example of the former case is shown in FIG.
An example of the latter case is shown in FIG.

第1図は太陽電池セル1の受光面側電極2に接続された
フレキシブルな導電性金具からなるブスバー3と絶縁基
板4の裏面何社形成されるプリント配線5とが絶縁基板
4に形成された開孔6内で電気的に接続された状態を示
す。絶縁基板4としては1例えば、ポリイミドフィルム
等の絶縁フィルムが用いられる。
Figure 1 shows a bus bar 3 made of a flexible conductive metal fitting connected to the light-receiving side electrode 2 of a solar cell 1 and printed wiring 5 formed on the back side of an insulating substrate 4. A state in which electrical connection is made within the opening 6 is shown. As the insulating substrate 4, for example, an insulating film such as a polyimide film is used.

図面に示す当該太陽電池セル1の裏面電極10は前段の
太陽電池セル(図示省略)の受光面側電極(図示省略)
をインクコネクタ7によって接続された太陽電池アレイ
構造になされている。
The back electrode 10 of the solar cell 1 shown in the drawing is the light-receiving surface electrode (not shown) of the preceding solar cell (not shown).
are connected to a solar cell array structure by an ink connector 7.

太陽電池セル1の表面側は接着剤8を介してカバーガラ
ス9が設けられ、N面側には裏面電極lOおよび前記イ
ンクコネクタ7の先端部11が取付けられている。図中
12は、太陽電池セル1を前側絶縁基板4上に接着固定
させる接着剤を示し。
A cover glass 9 is provided on the front side of the solar cell 1 via an adhesive 8, and a back electrode 10 and the tip 11 of the ink connector 7 are attached to the N side. In the figure, reference numeral 12 indicates an adhesive for adhesively fixing the solar cell 1 onto the front insulating substrate 4.

例えばシリコーンが用いられる。For example, silicone is used.

前記太陽電池セル1には、シリコンセルやガリウム砒素
セルが用いられ、ブスバー3およびインタコネクタ7に
は銀、アンバー、コバールおよびモリブデン等が用いら
れる。
A silicon cell or a gallium arsenide cell is used for the solar cell 1, and silver, amber, kovar, molybdenum, or the like is used for the bus bar 3 and the interconnector 7.

前記ブスバー3は基端側13が上方へ湾曲形成されてお
り、先端側14は前記開孔6を閉塞状にわたされるとと
もに、開孔6内へ下方湾曲してブスバー側湾曲部13が
形成されている。
The busbar 3 has a proximal end 13 curved upward, and a distal end 14 that passes through the opening 6 in a closed manner and is curved downward into the opening 6 to form a busbar side curved portion 13. ing.

プリント配線5の開孔6にあたる部分は、当該開孔6内
へ上方湾曲して配線側湾曲部18が形成されている。そ
して、前記ブスバー側湾曲部13と配線側湾曲部18と
が開孔6内で溶接またはハンダ付けにによって接続され
ている。
A portion of the printed wiring 5 that corresponds to the opening 6 is curved upward into the opening 6 to form a wiring side curved portion 18 . The bus bar side curved portion 13 and the wiring side curved portion 18 are connected within the opening 6 by welding or soldering.

なお、開孔6内での接続には前記ブスバー側湾曲部13
と、配線側湾曲部18との片方のみが湾曲して接続され
たものでもよい。
Note that the busbar side curved portion 13 is used for connection within the opening 6.
It is also possible to connect only one of the wire side curved portion 18 and the wire side curved portion 18 in a curved manner.

第2図はラップアラウンド形太陽電池セル15を絶縁基
板4上に配し、前記開孔6と同種の開孔16を複数用い
てこの太陽電池セル15を固定せしめた場合を示す。
FIG. 2 shows a case where a wrap-around solar cell 15 is placed on an insulating substrate 4, and a plurality of apertures 16 of the same type as the aperture 6 are used to fix the solar cell 15.

開孔16は太陽電池セル15の電極部17.19に相当
する箇所に複数設けられており、太陽電池セル15の大
きさに応じて穴径および穴の個数および位置は適当に選
定されている。そして、プリント配線20の開孔16に
当たる部分は上方へ湾曲して、電極部17.19と溶接
またはハンダ付けにより結線される。
A plurality of holes 16 are provided at locations corresponding to the electrode portions 17 and 19 of the solar cell 15, and the hole diameter, number and position of the holes are appropriately selected depending on the size of the solar cell 15. . The portion of the printed wiring 20 that corresponds to the opening 16 is curved upward and connected to the electrode portion 17.19 by welding or soldering.

なお、上述したラップアラウンド形太陽電池セル15の
場合に限らず、第1図で示したような太陽電池セル、す
なわち表面側に受光面側電極2が設けられ裏面側に裏面
電極lOを設けた太陽電池セルにも適用できる。
Note that this is not limited to the case of the wrap-around solar cell 15 described above, but also a solar cell as shown in FIG. It can also be applied to solar cells.

第3図に本発明に係る太陽電池アレイの他の実施態様を
例示し、絶縁基板21の裏面側に形成されたプリント配
M422が占める領域を広範囲にわたって形成されたも
のである。
FIG. 3 illustrates another embodiment of the solar cell array according to the present invention, in which the area occupied by the printed wiring M422 formed on the back side of the insulating substrate 21 is formed over a wide range.

この場合、太陽電池アレイ自体の大型化を図ることによ
って生じる電流容量の増加を特別の配線をしないで、プ
リント配線22の面積に′よって確保するので、アレイ
自体の軽量化が図れるとともに絶縁基板21の裏面側か
らの電磁ノイズおよび放射線を遮断することができる。
In this case, the increase in current capacity caused by increasing the size of the solar cell array itself is secured by the area of the printed wiring 22 without any special wiring, so that the array itself can be made lighter, and the insulating substrate 2 It can block electromagnetic noise and radiation from the back side.

(発明の効果) 以上述べたように2本発明によれば基板表面側のブスバ
ーと基板裏面側のプリント配線とを簡単に接続でき、特
に、薄板上の絶縁基板を用いても基板の強度を損なうこ
とがなく、軽量化、フレキシプリティの要求される宇宙
開発用の太陽電池アレイに好適である。
(Effects of the Invention) As described above, according to the present invention, the bus bar on the front side of the board and the printed wiring on the back side of the board can be easily connected, and in particular, even if an insulating board on a thin plate is used, the strength of the board can be improved. It is suitable for solar cell arrays for space exploration, which require light weight and flexibility without damage.

また、そのような結線構造は簡単な構造であるので、電
気接続の信頼性が向上する。
Moreover, since such a wiring structure is a simple structure, the reliability of electrical connection is improved.

さらに、前記開孔を介して太陽電池セルの電極とプリン
ト配線とを直接接続することによって太陽電池セル自体
を基板上に固定できるので、従来使用されていたシリコ
ーン等の高価な接着剤は不要となり軽量化が図れる。
Furthermore, the solar cell itself can be fixed on the substrate by directly connecting the electrode of the solar cell and the printed wiring through the opening, eliminating the need for expensive adhesives such as silicone that were conventionally used. Lighter weight can be achieved.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明に係る太陽電池アレイの実施例を示す側
面図、第2図は他の実施例を示す側面図。 第3図はさらに他の実施例を示す側面図、第4図は従来
例を示す側面図である。 1・・・太陽電池セル  3・・・ブスバー4・・・絶
縁基板    5・・・プリント配線6.16・・・開
孔 第7図
FIG. 1 is a side view showing an embodiment of a solar cell array according to the present invention, and FIG. 2 is a side view showing another embodiment. FIG. 3 is a side view showing still another embodiment, and FIG. 4 is a side view showing a conventional example. 1...Solar cell 3...Bus bar 4...Insulating substrate 5...Printed wiring 6.16...Opening hole Fig. 7

Claims (1)

【特許請求の範囲】 1)絶縁基板の表面側に複数の太陽電池セルが設けられ
た太陽電池アレイであって、絶縁基板の裏面側に形成さ
れたプリント配線と、ブスバーもしくは前記太陽電池セ
ルの裏面側に形成された電極との双方もしくは一方が絶
縁基板に形成された開孔を通じて接続されてなることを
特徴とする太陽電池アレイ。 2)プリント配線が絶縁基板の裏面側を広範囲にわたっ
て配されてなる特許請求の範囲第1項記載の太陽電池ア
レイ。
[Scope of Claims] 1) A solar cell array in which a plurality of solar cells are provided on the front side of an insulating substrate, and the printed wiring formed on the back side of the insulating substrate and a bus bar or the solar cell array. A solar cell array characterized in that one or both of the electrodes formed on the back side are connected through openings formed in an insulating substrate. 2) The solar cell array according to claim 1, wherein printed wiring is arranged over a wide area on the back side of an insulating substrate.
JP59190038A 1984-09-11 1984-09-11 Solar cell array Pending JPS6167966A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59190038A JPS6167966A (en) 1984-09-11 1984-09-11 Solar cell array

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59190038A JPS6167966A (en) 1984-09-11 1984-09-11 Solar cell array

Publications (1)

Publication Number Publication Date
JPS6167966A true JPS6167966A (en) 1986-04-08

Family

ID=16251323

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59190038A Pending JPS6167966A (en) 1984-09-11 1984-09-11 Solar cell array

Country Status (1)

Country Link
JP (1) JPS6167966A (en)

Cited By (14)

* Cited by examiner, † Cited by third party
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JP2005011869A (en) * 2003-06-17 2005-01-13 Sekisui Jushi Co Ltd Solar cell module and its manufacturing method
WO2006123938A1 (en) * 2005-05-19 2006-11-23 Renewable Energy Corporation Asa Method for interconnection of solar cells
JP2008502149A (en) * 2004-06-04 2008-01-24 サンパワー コーポレイション Interconnection of solar cells in solar cell modules
WO2008090718A1 (en) * 2007-01-25 2008-07-31 Sharp Kabushiki Kaisha Solar battery cell, solar battery array, solar battery module and method for manufacturing solar battery array
JP2009076849A (en) * 2007-08-24 2009-04-09 Sanyo Electric Co Ltd Solar cell and solar cell module
WO2009066711A1 (en) * 2007-11-22 2009-05-28 Sharp Kabushiki Kaisha Semiconductor device, method for manufacturing the same, and solar battery
JP2009164204A (en) * 2007-12-28 2009-07-23 Zeo System:Kk Photovoltaic cell device
JP2009527917A (en) * 2006-02-22 2009-07-30 セ ソシエテ デネルジー ソレール エスアー Method of combining photovoltaic cell and film for improving the photovoltaic cell
WO2009096114A1 (en) * 2008-01-31 2009-08-06 Sharp Kabushiki Kaisha Method for manufacturing solar battery module
DE102008018360A1 (en) * 2008-04-11 2009-10-15 Seho Systemtechnik Gmbh Method for fitting solar cells on connecting support of solar cell module, involves connecting solar cells with connecting support, where connecting support is provided with conductive paths
CN102439729A (en) * 2009-05-05 2012-05-02 库迈思控股有限公司 Solar cell, solar module comprising said solar cell and method for producing the same and for producing a contact foil
JP2014150280A (en) * 2006-10-09 2014-08-21 Solexel Inc Template for manufacturing three-dimensional thin-film solar cell and use method
CN105552135A (en) * 2015-12-07 2016-05-04 上海空间电源研究所 Lightweight flexible solar cell module and manufacturing method thereof
JP2018082152A (en) * 2016-09-14 2018-05-24 ザ・ボーイング・カンパニーThe Boeing Company Solar cell array connection using corner conductor

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005011869A (en) * 2003-06-17 2005-01-13 Sekisui Jushi Co Ltd Solar cell module and its manufacturing method
JP2008502149A (en) * 2004-06-04 2008-01-24 サンパワー コーポレイション Interconnection of solar cells in solar cell modules
JP2013008983A (en) * 2004-06-04 2013-01-10 Sunpower Corp Interconnection of solar cells in solar cell module
WO2006123938A1 (en) * 2005-05-19 2006-11-23 Renewable Energy Corporation Asa Method for interconnection of solar cells
JP2009527917A (en) * 2006-02-22 2009-07-30 セ ソシエテ デネルジー ソレール エスアー Method of combining photovoltaic cell and film for improving the photovoltaic cell
JP2014150280A (en) * 2006-10-09 2014-08-21 Solexel Inc Template for manufacturing three-dimensional thin-film solar cell and use method
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