EP2102946B1 - Plug connector for photovoltaic cable sets - Google Patents

Plug connector for photovoltaic cable sets Download PDF

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Publication number
EP2102946B1
EP2102946B1 EP08700858A EP08700858A EP2102946B1 EP 2102946 B1 EP2102946 B1 EP 2102946B1 EP 08700858 A EP08700858 A EP 08700858A EP 08700858 A EP08700858 A EP 08700858A EP 2102946 B1 EP2102946 B1 EP 2102946B1
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EP
European Patent Office
Prior art keywords
snap
plug
connector
tunnel
socket
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.)
Not-in-force
Application number
EP08700858A
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German (de)
French (fr)
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EP2102946A1 (en
Inventor
Michael Stracke
Stefan Jörgens
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.)
Lumberg Connect GmbH
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Lumberg Connect GmbH
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Filing date
Publication date
Application filed by Lumberg Connect GmbH filed Critical Lumberg Connect GmbH
Publication of EP2102946A1 publication Critical patent/EP2102946A1/en
Application granted granted Critical
Publication of EP2102946B1 publication Critical patent/EP2102946B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6271—Latching means integral with the housing
    • H01R13/6273—Latching means integral with the housing comprising two latching arms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2101/00—One pole

Definitions

  • the invention relates to a connector, in particular for photovoltaic connection cables, having a plug which has a handle body, a contact carrier and at least one snap-in tongue pointing in the insertion direction, which carries a locking hook pointing to the plug outer side and with a socket having a handle body, a contact carrier receptacle and at least one having the connector-side latching tongue corresponding detent tunnel, which is part of the handle body and ends in an externally circumferentially arranged on the handle body locking groove, in plugged state of plug and socket, the latching tongue penetrates the detent tunnel and the latching hooks the detent tunnel - the inserted state securing - engages behind.
  • the plug and socket each have a detent tunnel with a recess.
  • a connecting web which is provided on both sides with snap hooks. These engage in the recesses of the plug and socket and hold the connector in a contacted arrangement.
  • a connector is known, the plug has a detent tunnel and the socket has a corresponding latching hook.
  • the latching hook engages behind the latching tunnel for coupling both parts.
  • An actuating handle allows by the coaxial movement to the connector, a release of the locking connection.
  • Solar plants and solar power plants usually include a plurality of electricity generating solar panels. These solar panels have outgoing cable sets, by means of which the electricity generated is finally passed through different technical facilities to the grid transfer point. For reasons of ease of assembly, it is now common to pre-equip the solar panels with a connection set, which is connected via connectors with the electricity of several solar panels laxative line.
  • the latch can be easily solved by hand in a simple manner to separate individual solar panels for maintenance of the power network to insert additional branch elements in the harness for asset expansion or replace defective parts. This is done by intervening with the fingers of a user's hand in the locking grooves to unlock the latching hooks.
  • the object of the invention is therefore to provide a future meet the requirements of future security requirements connector that can be combined with already used connector components of the applicant.
  • a connector with the features of claim 1, in particular with the characterizing features, according to which the detent tunnel side walls are continued into the region of the detent groove and the laterally limited detent groove is reorganized into a recess open towards the connector outside.
  • the locking groove into which could be intervened without further problems with the thumb and forefinger of a hand to release the plug, is narrowed by the extended to the region of the locking groove and this laterally limiting detent tunnel side walls to a recess.
  • the lateral boundary narrows the locking groove such that at least manually the connector is no longer detachable, since the catch recess offers no space for manual intervention.
  • the tunnel side walls extend in height to the outer surface of the socket, so that the locking recess is formed as a latching window, this embodiment is advantageously further developed by the Latch hook is mounted within the recess relative to the connector outer surface at least without support.
  • a connector is generally designated by the reference numeral 10.
  • the connector 10 includes a plug 11 and a socket 12, both of which are made of plastic.
  • the plug 11 has a handle body 13, in the insertion direction x a central, hollow body-like contact carrier 14 springs.
  • the handle body 13 To the contact carrier 14 in the direction of the connector jacket surface 15 spaced and oriented in the insertion direction x, the handle body 13 carries two opposing locking tongues 16 projecting at its ends facing the bushing 12 17 in the direction of connector shell surface 15 or connector outer periphery directed latching hooks 18 projecting.
  • a sealing element 19 is arranged, which protects the female side contact carrier receptacle 20 against the ingress of dirt and moisture.
  • Fig. 1 and 2 is a connector from the prior art, as sold by the applicant, shown schematically.
  • the socket 12 has, as well as the plug 11, a handle body designated 21, which forms the already mentioned above, the plug 11 toward open and substantially cylindrically shaped central contact carrier receptacle 20.
  • the bush 12 In the area of the plug-in side 11 facing the plug-in side, the bush 12 has two latching tongues 16 of the plug 11 facing and corresponding with these latching tunnel 22, followed by x in the insertion direction downstream locking grooves 23.
  • the detent tunnels 22 are oriented parallel to a connector longitudinal axis L, whereas the detent grooves 23 are oriented orthogonally to the connector longitudinal axis L.
  • the plug 11 is used with its contact carrier 14 in the front contact carrier receptacle 20 of the socket 12.
  • the latching tongues 16 are oriented in the direction of the latching tunnel 22 and penetrate when inserting the plug 11 into the socket 12, the latching tunnel openings 24th
  • the latching hooks 18 have pierced the locking tunnel 22, wherein they were slightly resiliently inserted in the direction of contact carrier 14 during this process.
  • the latching hooks 18 After piercing the detent tunnel 22, the latching hooks 18 provided with ends 17 of the locking tongues 16 in the region of the locking grooves 23, the latching hooks 18 emerge at the rear side in the insertion direction of the detent tunnel 22. Due to the restoring elasticity of the locking tongues 16, the latching hooks 18 move into their starting position and engage behind the latching tunnel 22, so that the plugged state of the connector 10 is secured.
  • the locking groove 23 has a sloping engagement groove 28 towards the groove bottom. Then plug 11 and socket 12 can be easily pulled apart, so be separated.
  • latching hook 18 is mounted in the latching window such that it does not stand on the outer peripheral surface 15 of the connector 10 via.
  • inventive connector 10 has the significant advantage that by means of the transformation of the locking groove 23 in a latching window 26 a manual separation of the connector 10 is no longer possible.
  • socket 12 of the connector 10 must be changed. This makes it possible to continue to use the production tool for the plug 11.
  • the sleeve 12 remains in the geometry of its locking members, which are in the form of detent tunnels 22, to those of the socket 12 of the prior art (shown in the Fig. 1 and 2 ) unchanged.
  • this socket 12 can also be used with connectors 11 of the prior art, so that the plug compatibility is ensured to the previously manufactured by the Applicant 10 connectors.
  • plug 11 and socket 12 remain identical to the previous connector, so that even the connector according to the invention can be used in the usual way in tight installation conditions. This ensures easy maintenance and servicing of existing solar systems or the connectors used there and facilitates both on the part of the connector manufacturer as well as on the part of Solaranlagenbetreibem the logistics for the spare parts supply.

Abstract

The invention relates to a plug connector (10) with a plug (11) which has a handle element (13), a contact support (14) and at least one snap-in lug (16) pointing in the insertion direction, said lug has a snap hook (18) pointing toward the outside of the plug, and with a bushing (12) which has a handle element (21), a contact support holder (20) and at least one snap-in tunnel (22) corresponding to the snap-in lug (16) on the plug side, which is part of the handle element (21) and ends in a snap-in groove (23) arranged around the outer perimeter of the handle element (21), wherein in the inserted state of plug (11) and bushing (12), the snap-in lug passes through the snap-in tunnel and the snap-in hook engages behind the snap-in tunnel which secures the connected state. The purpose of the invention is to create a plug connector suitable for future safety requirements but which can be combined with existing plug connector components. This problem is solved by a plug connector with the characterizing features, wherein the snap-in tunnel side walls (25) extend into the region of the snap-in groove and the snap-in groove bounded on the side in this manner, is converted into a snap-in recess open toward the outside of the plug connector.

Description

Die Erfindung betrifft einen Steckverbinder, insbesondere für Photovoltaikanschlusskabel, mit einem Stecker, der einen Grifflcörper, einen Kontaktträger und wenigstens eine in Einsteckrichtung weisende Rastzunge aufweist, die einen zur Steckeraußenseite weisenden Rasthaken trägt und mit einer Buchse, die einen Griffkörper, eine Kontaktträgeraufnahme und wenigstens einen mit der steckerseitigen Rastzunge korrespondierenden Rasttunnel aufweist, welcher Teil des Griffkörpers ist und in einer außenumfänglich am Griffkörper angeordneten Rastnut endet, wobei in gestecktem Zustand von Stecker und Buchse die Rastzunge den Rasttunnel durchtaucht und der Rasthaken den Rasttunnel - den gesteckten Zustand sichernd - hintergreift.The invention relates to a connector, in particular for photovoltaic connection cables, having a plug which has a handle body, a contact carrier and at least one snap-in tongue pointing in the insertion direction, which carries a locking hook pointing to the plug outer side and with a socket having a handle body, a contact carrier receptacle and at least one having the connector-side latching tongue corresponding detent tunnel, which is part of the handle body and ends in an externally circumferentially arranged on the handle body locking groove, in plugged state of plug and socket, the latching tongue penetrates the detent tunnel and the latching hooks the detent tunnel - the inserted state securing - engages behind.

Gattungsgemäße Steckverbinder sind aus dem unter anderem von der Anmelderin offenkundig vorbenutzten Stand der Technik bereits hinlänglich bekannt.Generic connectors are already well known from the well-known, inter alia, by the applicant prior art.

Weiterhin ist aus DE 3440043 A1 ein Steckverbinder gemäß dem oberbegriff des Anspruchs 1 bekannt, dessen Stecker und Buchse jeweils über einen Rasttunnel mit einer Rastausnehmung verfügen. Zur sicheren Kopplung dient ein Verbindungssteg, der beidseitig mit Rasthaken versehen ist. Diese greifen in die Rastausnehmungen von Stecker und Buchse ein und halten den Steckverbinder in kontaktierter Anordnung.Furthermore, it is off DE 3440043 A1 a connector according to the preamble of claim 1 known, the plug and socket each have a detent tunnel with a recess. For secure coupling is a connecting web, which is provided on both sides with snap hooks. These engage in the recesses of the plug and socket and hold the connector in a contacted arrangement.

Aus FR 7733322 A ist ein Steckverbinder Bekannt, dessen Stecker einen Rasttunnel und dessen Buchse einen korrespondierenden Rasthaken aufweist. Der Rasthaken hintergreift den Rasttunnel zur Kopplung beider Teile. Eine Betätigungshandhabe erlaubt durch zum Steckverbinder koaxiale Bewegung ein Lösen der Rastverbindung.Out FR 7733322 A a connector is known, the plug has a detent tunnel and the socket has a corresponding latching hook. The latching hook engages behind the latching tunnel for coupling both parts. An actuating handle allows by the coaxial movement to the connector, a release of the locking connection.

Solaranlagen und Solarkraftwerke umfassen für gewöhnlich eine Vielzahl von Elektrizität erzeugenden Solarpaneelen. Diese Solarpaneele weisen abgehende Kabelsätze auf, mittels derer die erzeugte Elektrizität über verschiedene technische Einrichtungen schließlich zum Netzübergabepunkt geführt wird. Aus Gründen der Montagefreundlichkeit ist es mittlerweile üblich, die Solarpaneele mit einem Anschlusssatz vorzurüsten, der über Steckverbinder mit einer die Elektrizität mehrerer Solarpaneele abführenden Leitung verbunden ist.Solar plants and solar power plants usually include a plurality of electricity generating solar panels. These solar panels have outgoing cable sets, by means of which the electricity generated is finally passed through different technical facilities to the grid transfer point. For reasons of ease of assembly, it is now common to pre-equip the solar panels with a connection set, which is connected via connectors with the electricity of several solar panels laxative line.

Aus Gründen der Betriebssicherheit werden an die Zuverlässigkeit gattungsgemäßer Steckverbinder hohe Ansprüche gestellt. Diese betreffen zum einen die Langlebigkeit der Bauteile, so dass spezielle Kunststoffsorten zum Einsatz gelangen. Zum anderen muss gewährleistet sein, dass sich derartige Steckverbinder nicht selbsttätig trennen. Hierzu werden Stecker und Buchse des Steckverbinders miteinander verrastet.For reliability reasons, high demands are placed on the reliability of generic connectors. These relate to the longevity of the components, so that special types of plastic are used. On the other hand, it must be ensured that such connectors do not disconnect automatically. For this purpose, plug and socket of the connector are locked together.

Bei einer Reihe gattungsgemäßer Steckverbinder - so auch bei jedem der Anmelderin - kann die Verrastung ohne weiteres händisch auf einfache Weise gelöst werden, um zu Wartungszwecken einzelne Solarpaneele vom Leitungsnetz zu trennen, um in den Kabelstrang weitere Abzweigelemente zwecks Anlagenerweiterung einzufügen oder defekte Teile auszutauschen. Dies geschieht, indem mit den Fingern der Hand eines Benutzers in die Rastnuten eingegriffen wird, um die Rasthaken zu entriegeln.In a number of generic connectors - as well as in each of the applicant - the latch can be easily solved by hand in a simple manner to separate individual solar panels for maintenance of the power network to insert additional branch elements in the harness for asset expansion or replace defective parts. This is done by intervening with the fingers of a user's hand in the locking grooves to unlock the latching hooks.

Mit der Etablierung der Solartechnik werden in zunehmender Weise Normen, Vorschriften und Richtlinien erlassen, die der erhöhten Sicherheit von Solaranlagen dienen. Unter anderem ist im Gespräch, händisch entriegelbare Verrastungen von Steckverbindern zukünftig nicht mehr zuzulassen. Auflage wird es werden, dass Steckverbinder für Photovoltaikkabelsätze nur noch mit einem Spezialwerkzeug trennbar sein dürfen.With the establishment of solar technology, standards, regulations and guidelines are being issued increasingly, which serve the increased safety of solar systems. Among other things, is in the conversation, manually unlockable locking of connectors in the future no longer allow. The requirement will be that connectors for photovoltaic cable sets may only be separable with a special tool.

Für Hersteller von Steckverbindern für Photovoltaikanlagen, die wie die Anmelderin selbst bereits eine Vielzahl von Anlagen ausgerüstet haben, entstehen dabei Probleme. Bei einer über wenigstens 25 Jahre bestehenden Photovoltaikanlage müssen mindestens über dieselbe Zeit Ersatzteile, nach Erlass einer entsprechenden Vorschrift demnach veraltete Steckverbinder, vorgehalten werden. Dies bedingt einen erheblichen logistischen Aufwand und Kapitaleinsatz.For manufacturers of connectors for photovoltaic systems, which like the applicant itself have already equipped a variety of systems, this creates problems. In the case of a photovoltaic system that is more than 25 years old, spare parts must be kept at least for the same time, and accordingly obsolete plug-in connectors must be provided after the relevant regulations have been issued. This requires a considerable logistical effort and capital investment.

Auf Seiten der Anlagenbetreiber kommt es insbesondere bei einem nachträglichen Ausbau bestehender Anlagen dazu, dass unterschiedliche Steckverbinder verwandt werden, was die Wartung, Instandhaltung und Ergänzung der Anlage beeinträchtigt.On the part of the plant operators, especially when retrofitting existing plants, it may happen that different Connectors are used, which affects the maintenance, repair and supplementation of the system.

Aufgabe der Erfindung ist es daher, einen den zukünftigen Sicherheitsanforderungen gerecht werdenden Steckverbinder zu schaffen, der sich jedoch mit bereits eingesetzten Steckverbinder-Bestandteilen der Anmelderin kombinieren lässt.The object of the invention is therefore to provide a future meet the requirements of future security requirements connector that can be combined with already used connector components of the applicant.

Die Aufgabe wird von einem Steckverbinder mit den Merkmalen des Anspruches 1, insbesondere mit den kennzeichnenden Merkmalen gelöst, wonach die Rasttunnel-Seitenwände bis in den Bereich der Rastnut weitergeführt sind und die so seitlich begrenzte Rastnut in eine zur Steckverbinderaußenseite hin offene Rastausnehmung umgebildet ist.The object is achieved by a connector with the features of claim 1, in particular with the characterizing features, according to which the detent tunnel side walls are continued into the region of the detent groove and the laterally limited detent groove is reorganized into a recess open towards the connector outside.

Erfindungsgemäß wird lediglich die Buchse des Steckverbinders verändert. Die Rastnut, in welche ohne weitere Probleme mit Daumen und Zeigefinger einer Hand zum Lösen des Steckers eingegriffen werden konnte, wird durch die bis in den Bereich der Rastnut weitergeführten und diese seitlich begrenzenden Rasttunnel-Seitenwände zu einer Rastausnehmung hin verengt. Die seitliche Begrenzung verengt die Rastnut derart, dass zumindest händisch der Steckverbinder nicht mehr lösbar ist, da für händisches Eingreifen die Rastausnehmung keinen Raum bietet.According to the invention, only the socket of the connector is changed. The locking groove into which could be intervened without further problems with the thumb and forefinger of a hand to release the plug, is narrowed by the extended to the region of the locking groove and this laterally limiting detent tunnel side walls to a recess. The lateral boundary narrows the locking groove such that at least manually the connector is no longer detachable, since the catch recess offers no space for manual intervention.

Um den Zugriff auf die an den steckerseitigen Rastzungen angeordneten Rasthaken weiter zu erschweren, ist vorgesehen, dass die Tunnelseitenwände sich in ihrer Höhe bis zur Außenoberfläche der Buchse erstrecken, so dass die Rastausnehmung als Rastfenster ausgebildet ist, wobei diese Ausführungsform vorteilhaft weiterbildbar ist, indem der Rasthaken innerhalb der Rastausnehmung gegenüber der Steckverbinder-Außenoberfläche wenigstens überstandslos gelagert ist.In order to further complicate the access to the arranged on the plug-side locking tongues locking hooks, it is provided that the tunnel side walls extend in height to the outer surface of the socket, so that the locking recess is formed as a latching window, this embodiment is advantageously further developed by the Latch hook is mounted within the recess relative to the connector outer surface at least without support.

Diese lediglich in rückschauender Betrachtungsweise überraschend einfache Veränderung der Buchse gewährleistet vollkommene Steckkompatibilität zum bisherigen System der Anmelderin, da der bestehende Stecker und insbesondere dessen Rastorgane in keinster Weise anzupassen sind. Die Geometrie der buchsenseitigen Gegenrastorgane, nämlich des Rasttunnels und des Bereiches der Rastnut, in welchem der Rasthaken der Rastzunge des Steckers einliegt, werden nicht verändert. Bei vorteilhafter Steckkompatibilität ist ein händisches Entriegeln des erfindungsgemäßen Steckverbinders jedoch nicht möglich, womit die Sicherheit wesentlich verbessert istThis only in retrospective perspective surprisingly simple change of the socket ensures perfect plug compatibility with the previous system of the Applicant, since the existing connector and in particular its locking members are in no way adapt. The geometry of the socket-side counter-locking members, namely the detent tunnel and the region of the detent groove, in which rests the latching hook of the latching tongue of the plug are not changed. With advantageous plug compatibility, however, a manual unlocking of the connector according to the invention is not possible, whereby the security is substantially improved

Ein besseres Verständnis der Erfindung sowie weitere Vorteile ergeben sich aus der Beschreibung eines Ausführungsbeispiels. Es zeigen:

Fig. 1
einen Steckverbinder aus dem Stand der Technik in gestecktem Zustand,
Fig. 2
den Steckverbinder des gemäß Fig. 1 in ungestecktem Zustand,
Fig.3
einen erfindungsgemäßen Steckverbinder in gestecktem Zustand,
Fig. 4
den Steckverbinder gemäß Fig. 3 in ungestecktem Zustand.
A better understanding of the invention and other advantages will be apparent from the description of an embodiment. Show it:
Fig. 1
a connector of the prior art in the inserted state,
Fig. 2
the connector of according to Fig. 1 in unplugged condition,
Figure 3
a connector according to the invention in the inserted state,
Fig. 4
the connector according to Fig. 3 in unplugged condition.

In den Zeichnungen ist ein Steckverbinder insgesamt mit der Bezugsziffer 10 bezeichnet. Der Steckverbinder 10 umfasst einen Stecker 11 und eine Buchse 12, welche beide aus Kunststoff gefertigt sind.In the drawings, a connector is generally designated by the reference numeral 10. The connector 10 includes a plug 11 and a socket 12, both of which are made of plastic.

Der Stecker 11 weist einen Griffkörper 13 auf, dem in Einsteckrichtung x ein zentraler, hohlkörperartiger Kontaktträger 14 entspringt. Zum Kontaktträger 14 in Richtung Steckverbindermantelfläche 15 hin beabstandet und in Richtung Einsteckrichtung x orientiert, trägt der Griffkörper 13 zwei sich gegenüberliegende Rastzungen 16 an deren zur Buchse 12 gewandten Enden 17 in Richtung Steckverbindermantelfläche 15 bzw. Steckverbinder-Außenumfang gerichtete Rasthaken 18 vorspringen. Am Übergang vom Griffkörper 13 zum Kontaktträger 14 ist ein Dichtelement 19 angeordnet, welches die buchsenseitige Kontaktträgeraufnahme 20 gegen das Eindringen von Schmutz und Feuchtigkeit schützt.The plug 11 has a handle body 13, in the insertion direction x a central, hollow body-like contact carrier 14 springs. To the contact carrier 14 in the direction of the connector jacket surface 15 spaced and oriented in the insertion direction x, the handle body 13 carries two opposing locking tongues 16 projecting at its ends facing the bushing 12 17 in the direction of connector shell surface 15 or connector outer periphery directed latching hooks 18 projecting. At the transition from the handle body 13 to the contact carrier 14, a sealing element 19 is arranged, which protects the female side contact carrier receptacle 20 against the ingress of dirt and moisture.

In den Fig. 1 und 2 ist ein Steckverbinder aus dem Stand der Technik, wie ihn die Anmelderin vertreibt, schematisch dargestellt. Die Buchse 12 weist, wie auch der Stecker 11, einen mit 21 bezeichneten Griffkörper auf, welcher die bereits vorerwähnte, zum Stecker 11 hin offene und im Wesentlichen zylindrisch geformte zentrale Kontaktträgeraufnahme 20 ausbildet. Im Bereich der zum Stecker 11 gewandten Einsteckseite weist die Buchse 12 zwei den Rastzungen 16 des Steckers 11 zugewandte und mit diesen korrespondierende Rasttunnel 22 auf, an die sich in Einsteckrichtung x nachgeordnete Rastnuten 23 anschließen. Die Rasttunnel 22 sind parallel zu einer Steckverbinderlängsachse L orientiert, die Rastnuten 23 sind hingegen orthogonal zur Steckverbinderlängsachse L ausgerichtet. Um die in Fig. 2 dargestellten Teile des Steckverbinders 10, nämlich den Stecker 11 und die Buchse 12 zusammenzufügen, wird der Stecker 11 mit seinem Kontaktträger 14 voran in die Kontaktträgeraufnahme 20 der Buchse 12 eingesetzt. Die Rastzungen 16 werden in Richtung der Rasttunnel 22 orientiert und durchdringen beim Einstecken des Steckers 11 in die Buchse 12 die Rasttunnelöffnungen 24.In the Fig. 1 and 2 is a connector from the prior art, as sold by the applicant, shown schematically. The socket 12 has, as well as the plug 11, a handle body designated 21, which forms the already mentioned above, the plug 11 toward open and substantially cylindrically shaped central contact carrier receptacle 20. In the area of the plug-in side 11 facing the plug-in side, the bush 12 has two latching tongues 16 of the plug 11 facing and corresponding with these latching tunnel 22, followed by x in the insertion direction downstream locking grooves 23. The detent tunnels 22 are oriented parallel to a connector longitudinal axis L, whereas the detent grooves 23 are oriented orthogonally to the connector longitudinal axis L. To the in Fig. 2 shown parts of the connector 10, namely the plug 11 and the socket 12 put together, the plug 11 is used with its contact carrier 14 in the front contact carrier receptacle 20 of the socket 12. The latching tongues 16 are oriented in the direction of the latching tunnel 22 and penetrate when inserting the plug 11 into the socket 12, the latching tunnel openings 24th

In dem in Fig. 1 dargestellten gesteckten Zustand des Steckverbinders 10 aus dem Stand der Technik haben die Rasthaken 18 die Rasttunnel 22 durchstoßen, wobei sie während dieses Vorganges leicht rückstellelastisch in Richtung Kontaktträger 14 eingerückt wurden. Nach dem Durchstoßen der Rasttunnel 22 gelangen die mit Rasthaken 18 versehenen Enden 17 der Rastzungen 16 in den Bereich der Rastnuten 23, wobei die Rasthaken 18 an der in Einsteckrichtung rückwärtigen Seite der Rasttunnel 22 austreten. Aufgrund der Rückstellelastizität der Rastzungen 16 rücken die Rasthaken 18 in ihre Ausgangsstellung und hintergreifen die Rasttunnel 22, so dass der gesteckte Zustand des Steckverbinders 10 gesichert ist.In the in Fig. 1 shown plugged state of the connector 10 of the prior art, the latching hooks 18 have pierced the locking tunnel 22, wherein they were slightly resiliently inserted in the direction of contact carrier 14 during this process. After piercing the detent tunnel 22, the latching hooks 18 provided with ends 17 of the locking tongues 16 in the region of the locking grooves 23, the latching hooks 18 emerge at the rear side in the insertion direction of the detent tunnel 22. Due to the restoring elasticity of the locking tongues 16, the latching hooks 18 move into their starting position and engage behind the latching tunnel 22, so that the plugged state of the connector 10 is secured.

Zum Lösen von Stecker und Buchse reicht es im Stand der Technik, mit Daumen und Zeigefinder in die Rastnuten 23 einzudringen, und die Rasthaken 18 zu entriegeln. Um dies zu erleichtern, weist die Rastnut 23 eine zum Nutboden hin abfallende Eingriffsschräge 28 auf. Dann können Stecker 11 und Buchse 12 bequem auseinander gezogen, also getrennt werden.To release the plug and socket it is sufficient in the prior art to penetrate with thumb and index finger into the locking grooves 23, and to unlock the latching hook 18. To facilitate this, the locking groove 23 has a sloping engagement groove 28 towards the groove bottom. Then plug 11 and socket 12 can be easily pulled apart, so be separated.

In den Fig. 3 und 4 ist der erfindungsgemäße Steckverbinder 10 in gestecktem wie auch in ungestecktem Zustand dargesteltt. Für funktional analoge Bauteile wurden gleiche Bezugsziffern verwendet.In the 3 and 4 is the connector 10 according to the invention dargesteltt in plugged as well as unplugged state. For functionally analogous components, the same reference numerals have been used.

Erfindungsgemäß werden keine Veränderungen am Stecker 11 des Steckverbinders 10 vorgenommen. Auch die Buchse 12 des Steckverbinders 10 bleibt weitestgehend unverändert. Lediglich Rasttunnel-Seitenwände 25 werden bis in den Bereich der Rastnut 23 gezogen und begrenzen diese nunmehr seitlich. Hierdurch entsteht ein lediglich zur Steckverbindermantelfläche 15 hin offener Aufnahmeraum für die Rasthaken 18, der vorliegend als Rastfenster 26 ausgebildet ist. Hierzu wurde die Höhe der Rasttunnel-Seitenwände 25 so bemessen, dass sie mit ihrer Oberkante 27 mit der Steckverbindermantelfläche 15 abschließen. Zusätzlich wurde auf die im Stand der Technik vorhandene Eingriffschräge 28 verzichtet.According to the invention, no changes are made to the plug 11 of the connector 10. Also, the socket 12 of the connector 10 remains largely unchanged. Only detent tunnel side walls 25 are pulled into the region of the locking groove 23 and limit these now laterally. This results in an open only to the connector jacket surface 15 towards receiving space for the latching hooks 18, which in the present case is designed as a latching window 26. For this purpose, the height of the detent tunnel side walls 25 was dimensioned so that they their upper edge 27 complete with the connector jacket surface 15. In addition, the existing in the prior art engaging bevel 28 has been omitted.

Zur weiteren Verengung des Rastfensters 26, also für einen noch weiter verbesserten Schutz gegen händisches Lösen der Rastverbindung wurde die zur Steckverbindermantelfläche 15 hin weisende Öffnung der als Rastfenster 26 ausgebildeten Rastnut 23 durch zusätzliches Material teilweise abgedeckt, so dass in einem in Einsteckrichtung x hinten gelegenen Bereich ein Hohlraum entsteht. Weiterhin ist der Rasthaken 18 derart im Rastfenster gelagert, dass er nicht über die Außenumfangsfläche 15 des Steckverbinders 10 über steht.For further narrowing of the latching window 26, so for even further protection against manual loosening of the locking connection to the connector shell surface 15 facing out opening of the latching window 26 formed locking groove 23 was partially covered by additional material, so that in a plugging in x rear area a cavity is created. Furthermore, the latching hook 18 is mounted in the latching window such that it does not stand on the outer peripheral surface 15 of the connector 10 via.

Zusammenfassend weist der in den Fig. 3 und 4 dargestellte, erfindungsgemäße Steckverbinder 10 den wesentlichen Vorteil auf, dass mittels der Umbildung der Rastnut 23 in ein Rastfenster 26 ein händisches Trennen des Steckverbinders 10 nicht mehr möglich ist. Von besonderem Vorteil hierbei ist jedoch, dass zur Erreichung dieses Sicherheitszieles lediglich die Buchse 12 des Steckverbinders 10 verändert werden muss. Dies ermöglicht es, das Herstellungswerkzeug für den Stecker 11 weiter benutzen zu können. Die Buchse 12 hingegen bleibt in der Geometrie ihrer Rastorgane, welche in Form von Rasttunneln 22 ausgebildet sind, zu denen der Buchse 12 aus dem Stand der Technik (dargestellt in den Fig. 1 und 2) unverändert. Infolgedessen kann diese Buchse 12 auch mit Steckern 11 aus dem Stand der Technik verwendet werden, so dass die Steckkompatibilität zu den bisher von der Anmelderin hergestellten Steckverbindern 10 gewährleistet ist. Auch die Außenabmessungen von Stecker 11 und Buchse 12 bleiben mit den bisherigen Steckverbinder identisch, so dass auch der erfindungsgemäße Steckverbinder in gewohnter Weise bei engen Einbauverhältnissen einsetzbar ist. Dies gewährleistet eine einfache Wartung und Instandhaltung von bestehenden Solaranlagen bzw. den dort verwendeten Steckverbindern und erleichtert sowohl auf Seiten des Steckverbinderherstellers wie auch auf Seiten von Solaranlagenbetreibem die Logistik für die Ersatzteilversorgung. In summary, the in the 3 and 4 illustrated, inventive connector 10 has the significant advantage that by means of the transformation of the locking groove 23 in a latching window 26 a manual separation of the connector 10 is no longer possible. Of particular advantage here is that to achieve this safety goal, only the socket 12 of the connector 10 must be changed. This makes it possible to continue to use the production tool for the plug 11. The sleeve 12, however, remains in the geometry of its locking members, which are in the form of detent tunnels 22, to those of the socket 12 of the prior art (shown in the Fig. 1 and 2 ) unchanged. As a result, this socket 12 can also be used with connectors 11 of the prior art, so that the plug compatibility is ensured to the previously manufactured by the Applicant 10 connectors. The outer dimensions of plug 11 and socket 12 remain identical to the previous connector, so that even the connector according to the invention can be used in the usual way in tight installation conditions. This ensures easy maintenance and servicing of existing solar systems or the connectors used there and facilitates both on the part of the connector manufacturer as well as on the part of Solaranlagenbetreibem the logistics for the spare parts supply.

Claims (5)

  1. Plug-in connector (10), in particular for photovoltaic connecting cable, with a plug (11), which has a handle body (13), a contact carrier (14) and at least one snap-in pin (16) pointing in the plug-in direction (x), said snap-in pin (16) carrying a snap-in hook (18) which points towards the plug-in connector surface (15), and with a socket (12), which has a handle body (21), a contact carrier receptacle (20) and at least one snap-in tunnel (22) corresponding to the plug-side snap-in pin (16), said snap-in tunnel (22) being part of the handle body (21) and ending in a snap-in groove (23) which is arranged on the outer circumference of the handle body (21), in the plugged-in state of plug (11) and socket (12) the snap-in pin (16) penetrating the snap-in tunnel (22), and the snap-in hook (18) - securing the plugged-in state - gripping behind the snap-in tunnel (22), the snap-in tunnel side walls (25) being continued into the region of the snap-in groove (23), and the thus laterally delimited snap-in groove (23) being reshaped into a snap-in recess which is open towards the plug-in connector surface (15), the snap-in tunnel side walls (25) extending in their height as far as the plug-in connector surface (15) of the socket (12), so that the snap-in recess is in the form of a snap-in window (26), and the snap-in hook (18) being carried within the snap-in recess against the plug-in connector surface (15) with no projection, characterized in that the opening, which faces the plug-in connector surface (15), of the snap-in groove (23) in the form of a snap-in window (26), is partly covered by additional material, so that in a region at the rear in the plug-in direction (x), a hollow space is produced.
  2. Plug-in connector according to Claim 1, characterized in that the plug-side contact carrier (14) is in the form of a hollow body which extends in the plug-in direction (x), and in the inner hollow space of which a plug-in contact is arranged.
  3. Plug-in connector according to Claim 2, characterized in that the socket-side contact carrier receptacle (20) has guide surfaces, which correspond to guide surfaces of the plug-side contact carrier and make it possible to insert the plug (11) into the socket (12) only with snap-in pins (16) facing the snap-in tunnel (22).
  4. Plug-in connector according to any one of the preceding claims, characterized in that the plug-in connector (10) is single-pole.
  5. Plug-in connector according to any one of the preceding claims, characterized in that the snap-in recess is constricted so that the plug-in connector (10) can be released only with a special tool.
EP08700858A 2007-12-15 2008-01-11 Plug connector for photovoltaic cable sets Not-in-force EP2102946B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007060574A DE102007060574B4 (en) 2007-12-15 2007-12-15 Connector for photovoltaic cable sets
PCT/DE2008/000050 WO2009076917A1 (en) 2007-12-15 2008-01-11 Plug connector for photovoltaic cable sets

Publications (2)

Publication Number Publication Date
EP2102946A1 EP2102946A1 (en) 2009-09-23
EP2102946B1 true EP2102946B1 (en) 2011-11-09

Family

ID=39721907

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08700858A Not-in-force EP2102946B1 (en) 2007-12-15 2008-01-11 Plug connector for photovoltaic cable sets

Country Status (8)

Country Link
US (1) US20100311265A1 (en)
EP (1) EP2102946B1 (en)
JP (1) JP2010541213A (en)
CN (1) CN101821909A (en)
AT (1) ATE533208T1 (en)
DE (1) DE102007060574B4 (en)
ES (1) ES2374412T3 (en)
WO (1) WO2009076917A1 (en)

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CN115810949A (en) * 2022-11-11 2023-03-17 东莞市思索技术股份有限公司 Electrical connector

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Also Published As

Publication number Publication date
DE102007060574A1 (en) 2009-06-18
JP2010541213A (en) 2010-12-24
ES2374412T3 (en) 2012-02-16
US20100311265A1 (en) 2010-12-09
ATE533208T1 (en) 2011-11-15
WO2009076917A1 (en) 2009-06-25
EP2102946A1 (en) 2009-09-23
DE102007060574B4 (en) 2010-02-25
CN101821909A (en) 2010-09-01

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