DE102007037130B3 - Junction box and connecting box for use in connecting device for photovoltaic solar module, comprises flexible flat conductor strip that protrude from surface of solar module, where junction device has electric contact clip - Google Patents
Junction box and connecting box for use in connecting device for photovoltaic solar module, comprises flexible flat conductor strip that protrude from surface of solar module, where junction device has electric contact clip Download PDFInfo
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- DE102007037130B3 DE102007037130B3 DE102007037130A DE102007037130A DE102007037130B3 DE 102007037130 B3 DE102007037130 B3 DE 102007037130B3 DE 102007037130 A DE102007037130 A DE 102007037130A DE 102007037130 A DE102007037130 A DE 102007037130A DE 102007037130 B3 DE102007037130 B3 DE 102007037130B3
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/592—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connections to contact elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
- H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
- H01R4/4821—Single-blade spring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
- H01R4/4833—Sliding arrangements, e.g. sliding button
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- 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
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
- H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
- H01R4/2425—Flat plates, e.g. multi-layered flat plates
- H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
- H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
- H01R4/4835—Mechanically bistable arrangements, e.g. locked by the housing when the spring is biased
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/4846—Busbar details
- H01R4/485—Single busbar common to multiple springs
-
- 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
Gebiet der ErfindungField of the invention
Die Erfindung betrifft eine Anschluss- und Verbindungsdose für ein photovoltaisches Solarmodul mit flexiblen Flachleiterbändern, die aus der Oberfläche des Solarmoduls herausragen sowie eine Anschlussvorrichtung für die Anschluss- und Verbindungsdose.The The invention relates to a junction box for a photovoltaic Solar module with flexible flat conductor strips emerging from the surface of the Projecting solar module and a connection device for the connection and junction box.
Hintergrund der ErfindungBackground of the invention
Die Produktion photovoltaischer Solarmodule hat in den letzten Jahren einen regelrechten Boom erlebt, unter anderem wegen des erhöhten Bedarfs an einer umweltschonenden Energieerzeugung. Die direkte Umwandlung von Sonnenlicht in elektrischen Strom mittels photovoltaischer Solarmodule ist vollkommen emissionsfrei und nahezu mit keinerlei Risiken für Mensch und Umwelt verbunden. Daher werden in letzter Zeit zum Beispiel bei Neubauten ganze Dächer mit Solarmodulen belegt und ganze "Solarkraftwerke" gebaut. Durch die technische Entwicklung der Photovoltaik wird der Einsatz der Solarmodule mehr und mehr auch in ungünstigeren Breitengraden, wie z. B. Mitteleuropa oder Nordamerika, immer effizienter, so dass insbesondere in diesen Regionen eine große Nachfrage besteht. Durch die stetige Effizienzsteigerung der Solarmodule aufgrund technischer Weiterentwicklung einerseits sowie steigende Energieproduktionskosten mit anderen Energieträgern, wie fossilen Brennstoffen oder Kernenergie, machen die photovoltaische Stromerzeugung mehr und mehr konkurrenzfähig.The Production of photovoltaic solar modules has in recent years experienced a veritable boom, partly because of the increased demand for an environmentally friendly energy production. The direct conversion from sunlight to electricity using photovoltaic solar panels is completely emission-free and with almost no risks for humans and the environment. Therefore, lately for example whole roofs in new buildings occupied with solar modules and built whole "solar power plants". Through the technical development In photovoltaics, the use of solar modules is becoming more and more important also in less favorable Latitude, such. Central Europe or North America, increasingly efficient, so there is a great demand, especially in these regions. By the steady increase in efficiency of the solar modules due to technical Further development on the one hand and increasing energy production costs with other energy sources, like fossil fuels or nuclear energy, make the photovoltaic Power generation more and more competitive.
Es ist ersichtlich, dass der Erfolg von Solarmodulen im wirtschaftlichen Wettbewerb mit anderen Energieträgern von den Kosten für Herstellung und Montage der Solarmodule abhängt.It It can be seen that the success of solar modules in the economic Competition with other energy sources from the cost of Production and installation of the solar modules depends.
Solarmodule bestehen typischerweise aus einer Vielzahl von Solarzellen auf Halbleiterbasis, welche zu großflächigen Solarpaneelen zusammengeschaltet werden. Ein typisches Solarmodul besitzt typischerweise auf der der Sonne zugewandten Seite eine Glasscheibe und an der Rückseite eine transparente Kunststoffschicht, in der die Solarzellen eingebettet sind. Die Rückseite des Solarmoduls ist typischerweise mit einer witterungsfesten Kunststoffverbundfolie, z. B. Polyvinylfluorid und Polyester, kaschiert. Die mono- oder polykristallinen Solarzellen sind durch Lötbändchen elektrisch miteinander verschaltet. Typischerweise ist das Solarmodul noch in einen Metallprofilrahmen zur Befestigung und Versteifung des Verbundes eingebaut. Ein Solarmodul ist daher grundsätzlich ein flächiges Gebilde, ähnlich einer dicken Glasscheibe.solar Panels typically consist of a variety of semiconductor-based solar cells, which to large-scale solar panels be interconnected. A typical solar module typically has on the side facing the sun a glass pane and on the back a transparent plastic layer in which the solar cells are embedded are. The backside of the solar module is typically with a weatherproof plastic composite film, z. As polyvinyl fluoride and polyester, laminated. The mono- or Polycrystalline solar cells are electrically connected by soldering tapes connected. Typically, the solar module is still in a metal profile frame installed for attachment and stiffening of the composite. A solar module is therefore basically a flat Structure, similar to one thick glass pane.
Typischerweise besitzen Solarmodule auf der der Sonne abgewandten Rückseite dünne flexible Leiterbänder, zumeist aus Kupfer, welche aus der Rückseite des Solarmoduls senkrecht herausragen. Diese flexiblen Flachleiterbänder sind sehr empfindlich und daher schwierig zu kontaktieren. Hinzu kommt, dass aufgrund der scheibenartigen Form des Solarmoduls ein mechanischer Angriff zur Befestigung eines elektrischen Verbinders ebenfalls schwierig ist. Daher hat sich eine spezielle Art des elektrischen Verbinders für derartige Solarmodule entwickelt, welche als Anschlussdose oder Anschluss- und Verbindungsdose bezeichnet wird. Die Anschluss- und Verbindungsdose wird typischerweise auf die rückwärtige Oberfläche des Solarmoduls aufgeklebt und besitzt im Inneren elektrische Anschlusseinrichtungen zum Kontaktieren der flexiblen Flachleiterbänder des Solarmoduls. Ferner besitzt die Anschluss- und Verbindungsdose eine Einrichtung zum Anschließen eines elektrischen Anschlusskabels, welches demnach mittels der Anschluss- und Verbindungsdose mit dem flexiblen Flachleiterband des Solarmoduls verbunden wird, um den von dem Solarmodul erzeugten elektrischen Strom abzuführen.typically, have solar modules on the back side facing away from the sun thin flexible Head bands usually made of copper, which from the back of the solar module vertically protrude. These flexible flat conductor strips are very sensitive and therefore difficult to contact. On top of that, due the disc-like shape of the solar module a mechanical attack also difficult to attach an electrical connector is. Therefore, a special type of electrical connector has become for such Solar modules designed as a junction box or connection and Junction box is called. The connection and connection box is typically on the back surface of the Solar module glued and has inside electrical connection devices for contacting the flexible flat conductor strips of the solar module. Further has the connection and junction box means for connecting a electrical connection cable, which is therefore connected by means of and junction box with the flexible flat conductor ribbon of the solar module is connected to the electrical generated by the solar module Dissipate electricity.
Ferner werden typischerweise mehrere Solarmodule in Reihenschaltung betrieben, wobei antiparallel zu jedem Modul eine sogenannte Bypass- oder Freilaufdiode geschaltet wird. Die Freilaufdiode ist innerhalb der Anschluss- und Verbindungsdose an die elektrische Anschlussvorrichtung angeschlossen. Ohne Bypass-Diode würde, wenn ein Modul verschattet ist oder durch einen Defekt keinen Strom liefert, dieses Modul die Leistung der in Reihe geschalteten Solarmodule verringern oder sogar Schaden nehmen. Durch die Bypass-Diode wird dies verhindert, da der Strom durch die Diode fließt und aufrecht erhalten wird.Further typically several solar modules are operated in series, wherein antiparallel to each module, a so-called bypass or freewheeling diode is switched. The freewheeling diode is within the connection and junction box connected to the electrical connection device. Without Bypass diode would, if a module is shaded or not powered by a defect This module provides the power of the series-connected solar modules reduce or even take damage. Through the bypass diode is this prevents the current from flowing through the diode and maintaining it becomes.
Es ist ersichtlich, dass aufgrund der mechanischen Gegebenheiten, insbesondere Form des Solarmoduls und der Empfindlichkeit der flexiblen Flachleiterbänder, eine Reihe von Schwierigkeiten für die Konstruktion der Anschluss- und Verbindungsdosen auftreten.It it can be seen that due to the mechanical conditions, in particular Shape of the solar module and the sensitivity of the flexible flat conductor strips, a Set of difficulties for the construction of the connection and connection boxes occur.
Bisher sind Anschlussdosen bekannt, die über die flexiblen Flachleiterbänder gestülpt werden. Hierbei wird das flexible Flachleiterband in Handarbeit umgebogen und mittels einer Anschlussklemme oder einer Lötverbindung kontaktiert. In einem weiteren Arbeitsgang wird dann die Anschlussdose geschlossen. Es ist ersichtlich, dass die Montage derartiger Anschlussdosen umständlich ist und sich nur schwer für die automatisierte Massenfertigung eignet.So far Junction boxes are known, which are placed over the flexible flat conductor strips. in this connection the flexible flat conductor band is bent by hand and by means of contacted a terminal or a solder joint. In a further operation then the junction box is closed. It can be seen that the installation of such junction boxes is cumbersome and hard for which is suitable for automated mass production.
Aus
der
Nach alledem besteht aufgrund des hohen Innovationsdrucks in der Herstellung von Solarmodulen diesbezüglich Verbesserungsbedarf.To All this is due to the high innovation pressure in the production of solar modules in this regard Improvement.
Allgemeine Beschreibung der ErfindungGeneral description of the invention
Es ist daher eine Aufgabe der vorliegenden Erfindung, eine Anschluss- und Verbindungsdose für ein photovoltaisches Solarmodul bereitzustellen, welche sich automatisiert, z. B. mit einem Roboter, an das Solarmodul anschließen lässt und eine hohe Kontaktsicherheit und Langlebigkeit bietet.It It is therefore an object of the present invention to provide a connection and junction box for one photovoltaic solar module that automates, z. B. with a robot that can be connected to the solar panel and provides a high level of contact safety and longevity.
Eine weitere Aufgabe der Erfindung ist es, eine derartige Anschluss- und Verbindungsdose bereitzustellen, welche eine gewisse Toleranz in Bezug auf die laterale Positionierung auf dem Solarmodul besitzt.A Another object of the invention is to provide such a connection and provide junction box, which has a certain tolerance with respect to the lateral positioning on the solar module.
Eine weitere Aufgabe der Erfindung ist es, eine derartige Anschluss- und Verbindungsdose bereitzustellen, welche die Nachteile des Standes der Technik vermeidet oder zumindest mindert und kostengünstig herzustellen sowie zu montieren ist.A Another object of the invention is to provide such a connection and junction box to provide the disadvantages of the prior art the technique avoids or at least diminished and inexpensive to manufacture as well as to assemble.
Erfindungsgemäß wird eine Anschluss- und Verbindungsdose für ein photovoltaisches Solarmodul mit flexiblen Flachleiterbändern, die aus der Oberfläche des Solarmoduls herausragen, bereit gestellt. Die Anschluss- und Verbindungsdose weist an ihrer im montierten Zustand dem Solarmodul zugewandten Seite eine Einführöffnung für zumindest ein flexibles Flachleiterband des Solarmoduls auf sowie ein Gehäuse zum Aufsetzen auf das Solarmodul. In dem Gehäuse ist eine Anschlussvorrichtung für das flexible Flachleiterband beherbergt.According to the invention is a Connection and connection box for a photovoltaic solar module with flexible flat conductor strips, the from the surface stand out of the solar module, provided. The connection and Junction box has its in the mounted state of the solar module facing side an insertion opening for at least a flexible flat conductor band of the solar module and a housing for Mounting on the solar module. In the housing is a connection device for the flexible Flat conductor tape accommodates.
Die Anschlussvorrichtung weist eine erste elektrische Kontakteinrichtung mit einer elektrischen Kontaktklemme auf, welche zumindest zwei definierte stabile Zustände einnehmen kann, nämlich einen geöffneten Montagezustand und einen geschlossenen Kontaktzustand. In dem geöffneten Montagezustand ist das Flachleiterband widerstandsfrei in die Anschlussvorrichtung und zwar in einen freien Einfangraumbereich der Kontaktklemme einführbar. In dem geschlossenen Kontaktzustand ist das Flachleiterband in der Kontaktklemme elektrisch kontaktiert und mit vordefinierter Klemmkraft geklemmt.The Connecting device has a first electrical contact device with an electrical contact terminal, which at least two defined stable states can take, namely an open one Mounting state and a closed contact state. In the opened Mounting state is the flat conductor strip without resistance in the connection device namely in a free Einfangraumbereich the contact terminal insertable. By doing closed contact state is the flat conductor band in the contact terminal electrically contacted and clamped with predefined clamping force.
Ferner weist die Anschluss- und Verbindungsdose ein Betätigungselement zum Betätigen der Kontaktklemme auf, so dass die Kontaktklemme in Ansprechen auf die Betätigung automatisch geschlossen wird und dabei der elektrische Kontakt mit dem Flachleiterband hergestellt wird. Die Betätigung bzw. der Übergang vom Montagezustand in den Kontaktzustand erfolgt vorzugsweise automatisch beim Aufsetzen der Anschluss- und Verbindungsdose durch das Andrücken des Gehäuses gegen das Solarmodul orthogonal zu dessen Oberfläche.Further the connection and junction box has an actuating element for actuating the Contact clamp on so that the contact terminal in response to the activity is closed automatically while the electrical contact with the Flat conductor tape is produced. The operation or the transition from the mounting state in the contact state is preferably carried out automatically when placing the connection and junction box by pressing the housing against the solar module orthogonal to its surface.
Vorzugsweise weist die Kontaktklemme eine Klemmfeder und ein Gegenklemmelement auf, von denen zumindest eine der beiden einen elektrischen Kontaktabschnitt besitzt, und wobei der elektrische Kontakt mit dem Flachleiterband durch eine aktive Bewegung der Klemmfeder oder des Gegenklemmelements in Ansprechen auf die Betätigung mittels des Betätigungselements geschlossen wird. Einfach zu realisieren ist es, hierzu die Klemmfeder schwenkbar an der Anschlussvorrichtung zu lagern und den elektrischen Kontakt mit dem Flachleiterband mittels einer Schwenkbewegung der Klemmfeder in Ansprechen auf die Betätigung mittels des Betätigungselements zu schließen. Hierbei überstreicht ein Klemmabschnitt der Klemmfeder den Einfangraum zwischen der Klemmfeder und dem Gegenklemmelement, um das Flachleiterband einzufangen. Dadurch ist der Einfangraum beim Einführen des Flachleiterbandes vorteilhafterweise relativ groß und frei von Widerständen oder Hindernissen, so dass die Gefahr einer Beschädigung des Flachleiterbandes vermieden wird.Preferably the contact terminal has a clamping spring and a counter clamping element on, of which at least one of the two an electrical contact section has, and wherein the electrical contact with the flat conductor ribbon by an active movement of the clamping spring or the Gegenklemmelements in response to the operation by means of the actuating element is closed. It is easy to realize, this is the clamping spring pivotally mounted on the connection device and the electrical Contact with the flat conductor strip by means of a pivoting movement of Clamping spring in response to the operation by means of the actuating element close. This covers a clamping portion of the clamping spring the catching space between the clamping spring and the counter clamping member to catch the flat conductor tape. This is the capture space during insertion the flat conductor band advantageously relatively large and free of resistances or obstacles, so the risk of damaging the Flat conductor band is avoided.
In vorteilhafter Weise kann durch das aktive Schließen der Kontaktklemme nach dem Einführen des Flachleiterbandes eine hohe und vordefinierte Klemm- und Kontaktkraft erzeugt werden.In Advantageously, by actively closing the contact terminal after the introduction of the Flat conductor band a high and predefined clamping and contact force be generated.
Vorzugsweise ist das Betätigungselement an dem Gehäuse angeordnet, z. B. einstückig mit diesem ausgebildet und das Gehäuse ist gegenüber der Anschlussvorrichtung bewegbar, vorzugsweise linear verschiebbar, derart, dass durch die Relativbewegung des Gehäuses gegenüber der Anschlussvorrichtung die Kontaktklemme automatisch geschlossen wird. Hierzu weist die Anschluss- und Verbindungsdose eine Verschiebeeinrichtung zwischen dem Gehäuse und der Anschlussvorrichtung auf, so dass beim Aufsetzen der Anschluss- und Verbindungsdose auf das Solarmodul das Gehäuse gegenüber der Anschlussvorrichtung quer zur Oberfläche des Solarmoduls verschoben wird, wodurch das Betätigungselement bei dem Aufsetzvorgang automatisch die Kontaktklemme schließt, um den elektrischen Kontakt mit dem Flachleiterband herzustellen. Zweckmäßig umfasst die Verschiebeinrichtung eine Führungshülse, z. B. an der Anschlussvorrichtung und einen Führungsstift, z. B. an dem Gehäuse. Damit in dem Montagezustand zum Aufsetzen der Anschluss- und Verbindungsdose die Anschlussvorrichtung in dem Gehäuse gegen Herausfallen gesichert ist, ist die Verschiebeinrichtung selbstklemmend ausgebildet, und zwar derart dass bei der Montage auf das Solarmodul durch eine Kraftbeaufschlagung auf das Gehäuse gegen das Solarmodul diese Klemmung überwindbar ist, um das Gehäuse relativ zu der gegen das Solarmodul abgestützten Anschlussvorrichtung bis zum Anschlag des Gehäuses gegen das Solarmodul zu verschieben.Preferably, the actuating element is arranged on the housing, for. B. integrally formed therewith and the housing is movable relative to the connecting device, preferably linearly displaceable, such that the contact terminal is automatically closed by the relative movement of the housing relative to the connecting device. For this purpose, the connection and connection box has a displacement device between the housing and the connection device, so that when placing the connection and junction box on the solar module, the housing relative to the connecting device is moved transversely to the surface of the solar module, whereby the actuating element automatically in the placement process Contact terminal closes to make electrical contact with the flat conductor tape. Suitably, the displacement device comprises a guide sleeve, for. B. on the connection device and a guide pin, z. B. on the housing. There with in the assembled state for mounting the connection and junction box the connection device is secured in the housing against falling out, the displacement device is self-clamping, in such a way that when mounting on the solar module by a force applied to the housing against the solar module, this clamping can be overcome in order to displace the housing relative to the connection device supported against the solar module as far as the stop of the housing against the solar module.
Dies hat den Vorteil, dass bei einer automatisierten Montage der Dose auf dem Solarmodul nur ein Arbeitsschritt mit einer Linearbewegung durchgeführt werden braucht, was für einen Montageroboter besonders einfach auszuführen ist.This has the advantage that with an automated assembly of the can on the solar module only one step with a linear movement carried out needs, what kind of a mounting robot is particularly easy to perform.
Gemäß einer bevorzugten Ausführungsform der Erfindung weist die blattfederartige Klemmfeder einen Betätigungsabschnitt auf, mit dem das Betätigungselement des Gehäuses zusammenwirkt, um die Kontaktklemme zu schließen, wobei der Betätigungsabschnitt einen gekrümmten und einen im Wesentlichen geraden Abschnitt der Klemmfeder umfasst. Hiermit wird mittels geeigneter Formgebung der beiden Abschnitte in einfacher Weise gewährleistet, dass die Kontaktklemme in dem Montagezustand in geöffneter Stellung fixiert ist, um die Kontaktklemme offen und den Einfangraumbereich frei zu halten.According to one preferred embodiment of Invention, the leaf spring-type clamping spring has an actuating portion on, with which the actuator of the housing cooperates to close the contact terminal, wherein the actuating portion a curved one and a substantially straight portion of the clamping spring. Hereby, by means of suitable shaping of the two sections ensured in a simple manner that the contact terminal in the assembled state in open Position is fixed to the contact terminal open and the trapping space area to keep free.
Hierdurch wird eine gleichbleibende Klemm- und Kontaktkraft gewährleistet, so dass die Kontaktierung eine dauerhafte Qualität besitzt.hereby a consistent clamping and contact force is ensured, so that the contact has a lasting quality.
Vorzugsweise ist das Gegenklemmelement in Bezug auf die Oberfläche des Solarmoduls geneigt, z. B. mit etwa 45°, so dass das Flachleiterband in dem kontaktierten Zustand abgewinkelt ist.Preferably is the counter clamping element with respect to the surface of the Solar module inclined, z. B. at about 45 °, so that the flat conductor band in angled to the contacted state.
Zweckmäßig weist die Kontaktklemme einen metallischen und im Allgemeinen U-förmiger Halterahmen auf, in dem die Klemmfeder mittels Lagerzapfen in Lageröffnungen drehbar gelagert ist. Der Halterahmen ist zu den Lageröffnungen hin geschlitzt, so dass bei der Vormontage der Anschluss- und Verbindungsdose, die Lagerzapfen der Klemmfeder durch die Schlitze eingeführt werden können. Bevorzugt besitzt die erste Kontakteinrichtung noch eine Kabelanschlussklemme zum Anschließen des Anschlusskabels, welche in demselben Halterahmen aufgehängt ist. Vorzugsweise weist die Kabelanschlussklemme eine zweite Klemmfeder zum Schließen des elektrischen Kontakts mit dem Anschlusskabel auf.Appropriately points the contact terminal a metallic and generally U-shaped support frame on, in which the clamping spring by means of bearing journals in bearing openings is rotatably mounted. The holding frame is to the bearing openings slotted so that during the pre-assembly of the junction box, the journals of the clamping spring are inserted through the slots can. Prefers the first contact device still has a cable connection terminal to connect the connection cable, which is suspended in the same support frame. Preferably, the cable connection terminal has a second clamping spring to close of the electrical contact with the connecting cable.
Ferner vorzugsweise weist die Kontaktklemme einen Rastmechanismus auf, mittels welchem die Klemmfeder in dem Kontaktzustand verrastet wird, z. B. durch Einrasten von Rastnasen der Klemmfeder in dem Halterahmen. In dem geschlossenen und verrasteten Zustand steht die Kontaktklemme unter Spannung.Further Preferably, the contact clamp has a latching mechanism, by means of which the clamping spring is locked in the contact state, z. B. by engagement of locking lugs of the clamping spring in the holding frame. In the closed and latched state is the contact terminal undervoltage.
Bevorzugt besitzt die Anschlussvorrichtung einen dielektrischen Träger, der die untere Einführöffnung für das Flachleiterband definiert und in welchem der Halterahmen mittels beiderseitigen Rasthaken eingerastet ist.Prefers the connection device has a dielectric support which the lower insertion opening for the flat conductor band defined and in which of the holding frame by mutual Latch hook is engaged.
Gemäß einer besonders bevorzugten Ausführungsform der Erfindung weist die Anschlussvorrichtung zwei identische elektrische Kontakteinrichtungen auf, um gleichzeitig zwei Flachleiterbänder zu kontaktieren, dadurch dass das Gehäuse zwei Betätigungselemente aufweist, welche die beiden Kontaktklemmen gleichzeitig schließen.According to one particularly preferred embodiment the invention, the connection device has two identical electrical Contact devices in order to simultaneously contact two flat conductor strips, in that the housing two actuators has, which close the two contact terminals simultaneously.
Im Folgenden wird die Erfindung anhand von Ausführungsbeispielen und unter Bezugnahme auf die Figuren näher erläutert, wobei gleiche und ähnliche Elemente teilweise mit gleichen Bezugszeichen versehen sind und die Merkmale der verschiedenen Ausführungsbeispiele miteinander kombiniert werden können.in the The following is the invention with reference to embodiments and below Reference to the figures closer explains being same and similar Elements are partially provided with the same reference numerals and the features of the various embodiments with each other can be combined.
Kurzbeschreibung der FigurenBrief description of the figures
Es zeigen:It demonstrate:
Detaillierte Beschreibung der ErfindungDetailed description of the invention
Bezug
nehmend auf die
Bezug
nehmend auf
Von
der Unterseite des Gehäusedeckels
Bezug
nehmend auf
Die
Anschlussvorrichtung
Zum
Schließen
der Kontaktklemme wird nun das Gehäuse
Bezug
nehmend auf
Die
Klemmfeder
Die
Kontaktklemme
In
dem hier gezeigten Ausführungsbeispiel umfasst
die Anschlussvorrichtung
Bezug
nehmend auf
Ferner
ist die Klemmfeder
Der
metallische Halterahmen
Aufgrund
der Form der beiden Abschnitte
Durch
das Zusammenwirken zwischen dem Gehäuse
Das
Flachleiterband
Bezug
nehmend auf
Es
existieren jedoch auch Solarmodule
Es ist dem Fachmann ersichtlich, dass die vorstehend beschriebenen Ausführungsformen beispielhaft zu verstehen sind, und die Erfindung nicht auf diese beschränkt ist, sondern in vielfältiger Weise variiert werden kann, ohne die Erfindung zu verlassen. Ferner ist ersichtlich, dass die Merkmale unabhängig davon, ob sie in der Beschreibung, den Ansprüchen, den Figuren oder anderweitig offenbart sind auch einzeln wesentliche Bestandteile der Erfindung definieren, selbst wenn sie zusammen mit anderen Merkmalen gemeinsam beschrieben sind.It It will be apparent to those skilled in the art that those described above embodiments by way of example, and the invention is not to be understood limited is, but in more diverse Manner can be varied without departing from the invention. Further It can be seen that the characteristics, irrespective of whether they are described in the description, the claims, Figures or otherwise disclosed are also individually essential Define components of the invention, even when together are described together with other features.
Claims (17)
Priority Applications (19)
Application Number | Priority Date | Filing Date | Title |
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DE102007037130A DE102007037130B3 (en) | 2007-08-07 | 2007-08-07 | Junction box and connecting box for use in connecting device for photovoltaic solar module, comprises flexible flat conductor strip that protrude from surface of solar module, where junction device has electric contact clip |
CN2008800040872A CN101606293B (en) | 2007-02-05 | 2008-02-04 | Junction box and connecting box for a solar module |
JP2009548615A JP5225291B2 (en) | 2007-02-05 | 2008-02-04 | Connection box for photovoltaic modules |
US12/525,784 US8033859B2 (en) | 2007-02-05 | 2008-02-04 | Connection and junction box for a solar module |
CN2008800041771A CN101606295B (en) | 2007-02-05 | 2008-02-04 | Junction box for a solar module |
DK08707534.7T DK2118977T3 (en) | 2007-02-05 | 2008-02-04 | Assembly and connection box for a solar module |
PCT/EP2008/000859 WO2008095670A1 (en) | 2007-02-05 | 2008-02-04 | Junction box and connecting box for a solar module |
PCT/EP2008/000858 WO2008095669A1 (en) | 2007-02-05 | 2008-02-04 | Junction box and connecting box for a solar module |
ES08707534T ES2385112T3 (en) | 2007-02-05 | 2008-02-04 | Junction box and connection box for a solar module |
EP08707533A EP2115838A1 (en) | 2007-02-05 | 2008-02-04 | Junction box and connecting box for a solar module |
EP08715686A EP2115839A1 (en) | 2007-02-05 | 2008-02-04 | Junction box and connecting box for a solar module |
JP2009548613A JP5210325B2 (en) | 2007-02-05 | 2008-02-04 | Connection box for photovoltaic modules |
PCT/EP2008/000857 WO2008095668A1 (en) | 2007-02-05 | 2008-02-04 | Junction box and connecting box for a solar module |
JP2009548614A JP5441716B2 (en) | 2007-02-05 | 2008-02-04 | Connection box for photovoltaic modules |
EP08707534A EP2118977B1 (en) | 2007-02-05 | 2008-02-04 | Junction box and connecting box for a solar module |
CN2008800040976A CN101606294B (en) | 2007-02-05 | 2008-02-04 | Junction box and connecting box for a solar module |
US12/525,794 US8366471B2 (en) | 2007-02-05 | 2008-02-04 | Connection and junction box for a solar module |
US12/525,775 US7931488B2 (en) | 2007-02-05 | 2008-04-02 | Connection and junction box for a solar module |
JP2013000069A JP5550748B2 (en) | 2007-02-05 | 2013-01-04 | Connection box for photovoltaic modules |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE102007037130A DE102007037130B3 (en) | 2007-08-07 | 2007-08-07 | Junction box and connecting box for use in connecting device for photovoltaic solar module, comprises flexible flat conductor strip that protrude from surface of solar module, where junction device has electric contact clip |
Publications (1)
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DE102007037130B3 true DE102007037130B3 (en) | 2009-04-16 |
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DE102007037130A Expired - Fee Related DE102007037130B3 (en) | 2007-02-05 | 2007-08-07 | Junction box and connecting box for use in connecting device for photovoltaic solar module, comprises flexible flat conductor strip that protrude from surface of solar module, where junction device has electric contact clip |
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