DE3111969A1 - Arrangement for selectively multiplying the current values and/or voltage values of solar-cell flat generators - Google Patents

Arrangement for selectively multiplying the current values and/or voltage values of solar-cell flat generators

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Publication number
DE3111969A1
DE3111969A1 DE19813111969 DE3111969A DE3111969A1 DE 3111969 A1 DE3111969 A1 DE 3111969A1 DE 19813111969 DE19813111969 DE 19813111969 DE 3111969 A DE3111969 A DE 3111969A DE 3111969 A1 DE3111969 A1 DE 3111969A1
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DE
Germany
Prior art keywords
arrangement
solar cell
current
module
plug connections
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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.)
Ceased
Application number
DE19813111969
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German (de)
Inventor
Rolf Dr.rer.nat. 8012 Ottobrunn Plättner
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Siemens AG
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Siemens AG
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Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to DE19813111969 priority Critical patent/DE3111969A1/en
Publication of DE3111969A1 publication Critical patent/DE3111969A1/en
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30—Electrical components
    • H02S40/36—Electrical components characterised by special electrical interconnection means between two or more PV modules, e.g. electrical module-to-module connection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Photovoltaic Devices (AREA)

Abstract

The invention relates to an arrangement for selectively multiplying the current values and/or voltage values of solar-cell flat generators (2, 20, 21, 22 ...) by series connection and/or parallel connection of solar cell modules (2) of the same design type. In the module body (6) of plastic, plus- and/or minus-contact circuits (11, 12) of metal, passing through the body (6) and connected to the contact tracks (8, 9, 10) of the solar cell arrangement (3, 4, 5), are here arranged on opposite sides. For assembling the modules (2), plug-in connections (13, 14) of conductive or insulating material are provided. Virtually unlimited stepping of current and voltage is thus possible in only one module type (2). <IMAGE>

Description

Anordnung zum wahlweisen Vervielfachen der Strom-Arrangement for optionally multiplying the current

und/oder der Spannungswerte von Solarzellen-Flachgeneratoren.and / or the voltage values of solar cell flat generators.

Die vorliegende Patentanmeldung betrifft eine Anordnung zum wahlweisen Vervielfachen der Strom- und/oder der Spannungswerte von Solarzellen-Flachgeneratoren durch Serien- und/oder Parallelschaltung von Solarzellenmoduln gleichen Bautyps.The present patent application relates to an arrangement for optional Multiply the current and / or voltage values of solar cell flat generators through series and / or parallel connection of solar cell modules of the same type.

Mit der gegenwärtigen Entwicklung von Billig-Solarzellen, insbesondere aus Silizium, werden kleine Solarzellen-Module interessant, welche für die verschiedensten Anwendungen, z. B. für Kleingeräte, einsetzbar sind. Zur Verringerung der Typenvielfalt ist es dabei wünschenswert, kleine Module mit einer Modulspannung Un von 1 V oder 1,5 V zu benutzen, die entsprechend der benötigten Gesamtspannung in Serie geschaltet werden. Auch die benötigte Stromstärke kann durch Parallelschaltung solcher Module erreicht werden. Solche aus mehreren Modulen bestehenden Solarzellen-Flachgeneratoren oder Solarpaneele können auch zur Energienutzung für Fassaden- und Dachverkleidungen verwendet werden.With the current development of cheap solar cells, in particular made of silicon, small solar cell modules are interesting, which are suitable for the most diverse Applications, e.g. B. for small appliances, can be used. To reduce the variety of types it is desirable to use small modules with a module voltage Un of 1 V or 1.5 V, connected in series according to the total voltage required will. The required amperage can also be achieved by connecting such modules in parallel can be achieved. Such flat solar cell generators consisting of several modules or solar panels can also be used for energy use for facade and roof cladding be used.

Anwendungen in Gebrauchs geräten und Anlagen sind in einem Sonderdruck aus ~Elektronik", 27. Jahrgang, Nr. 7/1978 (Franzis-Verlag, München) ausfUhrlich beschrieben.Applications in consumer devices and systems are in a special print from ~ Electronics ", Volume 27, No. 7/1978 (Franzis-Verlag, Munich) in detail described.

Bislang hat man den Aufbau von Solarzellengeneratoren durch Zusammenschalten mehrerer Solarzellenmoduln durch eine zusätzliche Verkabelung bewerkstelligt, wobei man die Kontaktierung der einzelnen Solarzellenanordnungen in einem Modul in einen Plus- und einen Minuskontakt zusammengeführt hat und dann zwischen den Kontakten der einzelnen Module Kabelverbindungen angebracht hat (siehe auch Bild 16 aus dem oben zitierten Sonderdruck der Elektronik). Die Art dieser Kontaktierung ist bei einem Solarzellen-Flachgenerator sehr aufwendig und für die variable Abstufung von Strom- und Spannungswerten schlecht geeignet.So far, one has built solar cell generators by interconnecting them several solar cell modules accomplished by an additional cabling, whereby man the contacting of the individual solar cell arrangements in one Module has merged into a plus and a minus contact and then between has attached cable connections to the contacts of the individual modules (see also Fig. 16 from the above-cited special print of the electronics). The type of contact is very complex in a solar cell flat generator and for the variable gradation poorly suited for current and voltage values.

Die Aufgabe, die der vorliegenden Erfindung zugrunde liegt, besteht deshalb in der Schaffung einer Anordnung, mit der es möglich ist, a) Solarzellenmodule mit nur einem Bautyp in einer einfachen und kostengünstigen Serien- und Parallelschaltung miteinander zu verbinden und b) einen variablen, auf den jeweiligen Verwendungszweck angepaßten Aufbau der Module zu einem Array (Solargenerator) schnell zu realisieren.The object on which the present invention is based exists therefore in creating an arrangement with which it is possible to a) solar cell modules with only one type of construction in a simple and inexpensive series and parallel connection to connect with each other and b) a variable, on the respective purpose Quickly implement an adapted structure of the modules to form an array (solar generator).

Diese Aufgabe wird durch eine Anordnung der eingangs genannten Art gelöst, welche gekennzeichnet ist durch im Modulkörper aus Kunststoff an gegenüberliegenden Seiten eines jeden Moduls angebrachte, durch den Körper durchgehende, mit den Kontaktbahnen der Solarzellenanordnung verbundene Plus- bzw. Minuskontaktbuchsen aus Metall und an die Buchsen angepaßte Steckverbindungen aus leitendem oder isolierendem Material. Dabei werden zur Stromerhöhung die Plus- und die Minuskontaktbuchsen jeden Moduls in gleicher Orientierung mit Steckverbindungen aus Metall untereinander verbunden, so daß mehrere Stromzweige entstehen. Der durch diese Parallelschaltung fließende Gesamtstrom I ist dann die Summe der Teilströme In durch die Zweige, während die Spannung bei den n-gleichen Stromquellen konstant bleibt. Zur Spannungserhöhung werden die Plus- und die Minuskontaktbuchsen eines jeden Moduls in abwechselnd unterschiedlisksr: Orlentierung mit Steckverbindur»n aus Metall und mit Steckverbindungen aus Kunststoff untereinander verbunden, so daß eine æwischen der ersten Eingangsklemme und der letzten Ausgangsklemme vorhandene Spannung U den Strom I durch alle Elemente treibt. Bei dieser Serienschaltung addiert sich die Spannung Un; der Strom bleibt konstant.This task is achieved by an arrangement of the type mentioned at the beginning solved, which is characterized by in the module body made of plastic on opposite sides Sides of each module, continuous through the body, with the contact tracks the solar cell arrangement connected plus and minus contact sockets made of metal and Plug connections made of conductive or insulating material adapted to the sockets. The plus and minus contact sockets of each module are used to increase the current connected in the same orientation with metal connectors, so that several branches of electricity arise. The flowing through this parallel connection Total current I is then the sum of the partial currents In through the branches, while the Voltage remains constant with the n-identical current sources. To increase the voltage will the plus and minus contact sockets of each module in alternating different lisksr: Orlentierung with plug connectors made of metal and connected to each other with plug connections made of plastic, so that a wipe the voltage U den present at the first input terminal and the last output terminal Current I drives through all elements. In this series connection, the Tension Un; the current remains constant.

Durch das der Erfindung zugrundeliegende kabellose Zusammenschalten von Solarzellenmodulen zu einem Array ist es möglich, durch Kombination von Serien- und Parallelschaltungen praktisch unbegrenzte Strom- und Spannungsabstufungen für jeden gewünschten Anwendungsbereich zu erhalten. Dabei wird von nur einem Bautyp eines Solarzellenmoduls ausgegangen.Through the wireless interconnection on which the invention is based from solar cell modules to an array, it is possible to combine series and parallel connections practically unlimited current and voltage gradations for to get any application area you want. There is only one type of construction of a solar cell module assumed.

Weitere Einzelheiten sind nachfolgend anhand von Ausführungsbeispielen und der Figuren 1 bis 5 noch näher erläutert. Dabei zeigt die Figur 1 in perspektivischer Darstellung einen Solarzellenmodul mit Kontaktbuchsen und Kontaktsteckern, die Figur 2 eine Parallelschaltung der Module, die Figur 3 eine Serienschaltung der Module und die Figuren 4 und 5 Modulanordnungen, welche sowohl zur Spannungs- als auch zur Stromerhöhung verwendet werden können.Further details are given below on the basis of exemplary embodiments and FIGS. 1 to 5 are explained in more detail. FIG. 1 shows it in perspective Representation of a solar cell module with contact sockets and contact plugs, the figure 2 shows a parallel connection of the modules, and FIG. 3 shows a series connection of the modules and Figures 4 and 5 module arrangements, which both for voltage and can be used to increase the current.

Für gleiche Teile sind in den Figuren gleiche Bezugszeichen verwendet.The same reference numerals are used for the same parts in the figures.

Das in Figur 1 dargestellte Solarzellenmodul 2 besteht aus drei Solarzellenanordnungen 3, 4, 5 aus Silizium, welche in einem rabmenförmigen Modulkörper 6 aus einem Spritzguß-Plastikteil eingebettet sind. Die Solarzellenanordnungen 3, 4, 5 sind an ihrer Oberfläche mit einer Glasabdeckung 7 versehen, die den Modulkörper 6 nach oben hin abschließt. Untereinander sind die Solarzellenanordnungen 3, 4, 5 durch interne Verdrahtungen 8 elektrisch leitend miteinander verbunden. Diese Verdrahtungen 8 werden im Modul (3, 4, 5) zu den entsprechenden Plus- bzw. Minuskontakt 9 und 10 geführt, welche jeweils an den beiden Schmalseiten des Modulrahmens 6 herausgeführt sind. Die Plus- und Minuskontakte 9 und 10 werden jeweils mit dem unterhalb der Solarzellenanordnungen 3, 4, 5 im Modulrabmen 6 angeordneten Plus-' und Minuskontaktbuchsen 11 und 12 verbunden, welche durch den Rahmen 6 nach außen geführt sind und aus einem gut leitenden Metall bestehen. In diese Buchsen 11, 12 werden dann die jeweiligen Steckverbindungen aus Metall 13 oder aus Kunststoff 14 eingebracht, wobei mit einer Steckverbindung (13 oder 14) jeweils zwei Buchsen (11 oder 12) zweier Module 2, 20 bestückt werden.The solar cell module 2 shown in Figure 1 consists the end three solar cell arrays 3, 4, 5 made of silicon, which in a ram-shaped Module body 6 are embedded from an injection molded plastic part. The solar cell arrays 3, 4, 5 are provided on their surface with a glass cover 7, which the module body 6 closes at the top. The solar cell arrangements 3, 4, 5 connected to one another in an electrically conductive manner by internal wiring 8. These Wiring 8 is in the module (3, 4, 5) to the corresponding positive or negative contact 9 and 10, which each lead out on the two narrow sides of the module frame 6 are. The plus and minus contacts 9 and 10 are each connected to the one below the Solar cell arrangements 3, 4, 5 in the Modulrabmen 6 arranged plus' and minus contact sockets 11 and 12 connected, which are led through the frame 6 to the outside and from one good conductive metal. In these sockets 11, 12 are then the respective Plug connections made of metal 13 or made of plastic 14 introduced, with a Plug connection (13 or 14) two sockets (11 or 12) each of two modules 2, 20 can be equipped.

Es besteht nun die Möglichkeit, wie in Figur 2 ausgeführt ist, die Module 2, 20, 21, 22, 23 zur Stromerhohung in gleicher Orientierung aneinander zu stecken. Dabei sind sowohl die Plus- als auch die Minuskontakte elektrisch leitend miteinander verbunden (Parallelschaltung).There is now the possibility, as shown in Figure 2, the Modules 2, 20, 21, 22, 23 to increase the current in the same orientation to each other put. Both the plus and minus contacts are electrically conductive connected to each other (parallel connection).

Mit den gleichen Modulen 2, 20, 21, 22, 23 kann jedoch auch eine Spannungserhöhung erreicht werden, in dem sie, wie in Figur 3 dargestellt ist, in abwechselnd unterschiedlicher Orientierung aneinander gesteckt werden. In diesem Fall werden die Steckbuchsen (11, 12) nur jeweils einseitig leitend bestückt (Serienschaltung). Die restlichen Steckverbindungen können zur Erhöhung der Stabilität der gesteckten Einheit mit nicht leitenden Plastiksteckern 14 versehen werden.With the same modules 2, 20, 21, 22, 23, however, a voltage increase can also be achieved can be achieved in which they, as shown in Figure 3, in alternately different Orientation are put together. In this case the sockets (11, 12) only equipped with conductive elements on one side (series connection). The remaining Plug connections can be used to increase the Stability of the mated Unit can be provided with non-conductive plastic plugs 14.

Durch Kombination beider Anordnungsarten (Figur 2 und Figur 3) für die Module 2, 20, 21, 22, 23 .... können, wie in Figur 4 und 5 dargestellt ist, beliebige Faktoren der Strom- und Spannungs erhöhung eingestellt werden. So zeigt die Figur 4 eine Schaltung, bei der zweimal die Spannung Un und viermal der Strom In vervielfach ist, während bei der Schaltung in Figur 5 dreimal die Spannungswerte Un und dreimal die Stromwerte In vervielfacht sind.By combining both types of arrangement (Figure 2 and Figure 3) for the modules 2, 20, 21, 22, 23 .... can, as shown in Figures 4 and 5, any factors of the current and voltage increase can be set. So shows FIG. 4 shows a circuit in which twice the voltage Un and four times the current In is multiplied, while in the circuit in FIG. 5, the voltage values are three times Un and three times the current values In are multiplied.

7 Patentansprüche 5 Figuren7 claims 5 figures

Claims (7)

Patentansprüche .Claims. Anordnung zum wahlweisen Vervielfachen der Strom-und/oder der Spannungswerte von Solarzellen-Flachgeneratoren (2, 20, 21, 22 ....) durch Serien- und/oder Parallelschaltung von Solarzellenmoduln (2) gleichen Bautyps, g ek e n n z e i c h n e t d u r c h im Modulkörper (6) aus Kunststoff an gegenüberliegenden Seiten eines Jeden Moduls (2) angebrachte, durch den Kdrper (6) durchgehende, mit den Kontaktbahnen (9, 10) der Solarzellenanordnung (3, 4, 5) verbundene Plus- bzw.Arrangement for optionally multiplying the current and / or voltage values of solar cell flat generators (2, 20, 21, 22 ....) by series and / or parallel connection of solar cell modules (2) of the same construction type, g ek e n n z e i c h n e t d u r c h in the module body (6) made of plastic on opposite sides of each module (2) attached through the body (6) continuous with the contact tracks (9, 10) the solar cell arrangement (3, 4, 5) connected plus or Minuskontaktbuchsen (11, 12) aus Metall und an die Buchsen (11, 12) angepaßte Steckverbindungen (13, 14) aus leitendem oder isolierendem Material.Negative contact sockets (11, 12) made of metal and on the sockets (11, 12) adapted plug connections (13, 14) made of conductive or insulating material. 2. Anordnung nach Anspruch 1, d a d u r c h g e -k e n n z e i c h n e t , daß zur Stromerhöhung die Plus- und die Ninuskontaktbuchaen (11, 12) eines jeden Moduls (2, 20, 21, 22 ....) in gleicher Orientierung mit Steckverbindungen (13) aus Metall untereinander verbunden sind.2. Arrangement according to claim 1, d a d u r c h g e -k e n n z e i c h n e t that to increase the current the plus and ninus contact sockets (11, 12) are one each module (2, 20, 21, 22 ....) in the same orientation with plug connections (13) made of metal are interconnected. 3. Anordnung nach Anspruch 1, d a d u r c h g e -k e n n z e i c h n e t , daß zur Spannungserhöhung die Plus- und die Minuskontaktbuchsen (11, 12) eines jeden Moduls (2, 20, 21, 22 ....) in abwechselnd unterschiedlicher Orientierung mit Steckverbindungen (13) aus Metall und mit Steckverbindungen (14) aus Kunststoff untereinander verbunden sind.3. Arrangement according to claim 1, d a d u r c h g e -k e n n z e i c h n e t that to increase the voltage the plus and minus contact sockets (11, 12) of each module (2, 20, 21, 22 ....) in alternating different orientations with plug connections (13) made of metal and with plug connections (14) made of plastic are interconnected. 4. Anordnung nach Anspruch 3, d a d u r c h g e -k e n n z e i c h n e t , daß aie nicht für die Funktion der Schaltung dienenden Kontaktbuchsen zur Erhöhung der Stabilität der Anordnung mit Steckverbindungen (14) aus isolierendem Material, z. B. aus Kunststoff versehen sind.4. Arrangement according to claim 3, d a d u r c h g e -k e n n z e i c h n e t, that aie not for the function of the circuit serving contact sockets for Increasing the stability of the arrangement with plug connections (14) made of insulating Material, e.g. B. are made of plastic. 5. Anordnung nach Anspruch 1 bis 4, d a d u r c h g e k e n n z e i c h n e t , daß zur Erhöhung der Strom- und der Spannungswerte eines Solarzellengenerators (2, 20, 21, 22 ....) sowohl in den in gleicher als auch in abwechselnd unterschiedlicher Orientierung angeordneten Module (2, 20 ....) Je nach Maßgabe der gewünschten Strom- und Spannungserhohung Steckverbindungen aus Metall (13) und aus Kunststoff (14) in die Kontaktbuchsen (11, 12) eingebracht sind.5. Arrangement according to claim 1 to 4, d a d u r c h g e k e n n z e i c h n e t that to increase the current and voltage values of a solar cell generator (2, 20, 21, 22 ....) both in the same and alternately different Orientation arranged modules (2, 20 ...) Depending on the required current and voltage increase plug connections made of metal (13) and plastic (14) are introduced into the contact sockets (11, 12). 6. Anordnung nach Anspruch 1 bis 5, d a d u r c h g e k e n n z e i c h n e t , daß der Mödulkörper (6) aus einem Spritzgiiß-Kunststoffteil besteht.6. Arrangement according to claim 1 to 5, d a d u r c h g e k e n n z e i c h n e t that the module body (6) consists of an injection molded plastic part. 7. Anordnung nach Anspruch 1 bis 6, d a d u r c h g e k e n n z e i c h n e t , daß die Stecker (13, 14) für die Steckverbindungen an ihren beiden Enden mit Schlitzen versehen sind.7. Arrangement according to claim 1 to 6, d a d u r c h g e k e n n z e i c h n e t that the plugs (13, 14) for the plug connections on both of them Ends are slotted.
DE19813111969 1981-03-26 1981-03-26 Arrangement for selectively multiplying the current values and/or voltage values of solar-cell flat generators Ceased DE3111969A1 (en)

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DE3415828A1 (en) * 1983-04-30 1984-11-29 Kyocera Corp., Kyoto SOLAR CELL ARRANGEMENT
DE3807031C1 (en) * 1988-03-04 1989-08-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De Solar generator
EP0373233A1 (en) * 1988-12-12 1990-06-20 Siemens Aktiengesellschaft Solar cell array with a frame structure
DE4140682A1 (en) * 1991-12-10 1993-06-17 Flachglas Solartechnik Gmbh Solar panel for use as facade or roof element - has peg and hole arrangement enabling electrical connection between panels and level alignment of panes
DE19503195A1 (en) * 1995-02-01 1996-08-08 Kessler & Wiethoff Gmbh Solar cell retainer appts. with cell support
EP0993051A2 (en) 1998-08-25 2000-04-12 Hermann Dipl.-Ing. Sturm Solar generator with solar cells fixed in series on a supporting frame.
JP2000340820A (en) * 1999-05-31 2000-12-08 Canon Inc Solar cell array and solar power generating system
DE102008023643A1 (en) * 2008-05-15 2009-11-26 Siemens Aktiengesellschaft Connection of solar modules
EP2169726A1 (en) * 2008-09-25 2010-03-31 Chien-Chiang Chan Optimization of energy storage device arrangment
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US8505248B1 (en) 2007-09-21 2013-08-13 Andalay Solar, Inc. Minimal ballasted surface mounting system and method
GB2501899A (en) * 2012-05-09 2013-11-13 Itouchenergy Ltd Solar cell module and systems
DE102012105726A1 (en) * 2012-06-28 2014-01-02 Christian Kirschner Solar module has contact element housing and plug-in contact element with plug contact surface, which form section with projection surface outside the top projection formed from solar module, in contact position
US8813460B2 (en) 2007-09-21 2014-08-26 Andalay Solar, Inc. Mounting system for solar panels
US8919053B2 (en) 2009-07-02 2014-12-30 Zep Solar, Llc Leveling foot apparatus, system, and method for photovoltaic arrays
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US9154074B2 (en) 2009-10-06 2015-10-06 Solarcity Corporation Apparatus for forming and mounting a photovoltaic array
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US9243817B2 (en) 2009-07-02 2016-01-26 Solarcity Corporation Apparatus for forming and mounting a photovoltaic array
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USD772432S1 (en) 2010-07-02 2016-11-22 Solarcity Corporation Panel frame
US9518596B2 (en) 2009-07-02 2016-12-13 Solarcity Corporation Pivot-fit frame, system and method for photovoltaic modules
US9816731B2 (en) 2010-07-02 2017-11-14 Solarcity Corporation Pivot-fit connection apparatus and system for photovoltaic arrays
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