EP2521223A2 - Connector for moisture-proof electric plug-in connector - Google Patents

Connector for moisture-proof electric plug-in connector Download PDF

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Publication number
EP2521223A2
EP2521223A2 EP12001334A EP12001334A EP2521223A2 EP 2521223 A2 EP2521223 A2 EP 2521223A2 EP 12001334 A EP12001334 A EP 12001334A EP 12001334 A EP12001334 A EP 12001334A EP 2521223 A2 EP2521223 A2 EP 2521223A2
Authority
EP
European Patent Office
Prior art keywords
spacer
stripped
plug
contact elements
plug according
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.)
Granted
Application number
EP12001334A
Other languages
German (de)
French (fr)
Other versions
EP2521223A3 (en
EP2521223B1 (en
Inventor
Dominik Brune
Andreas Hanke
Jani Bugajew
Reinhard Hembrock
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.)
Oase Pumpen Wuebker Soehne GmbH and Co Maschinenfabrik
Original Assignee
Oase Pumpen Wuebker Soehne GmbH and Co Maschinenfabrik
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oase Pumpen Wuebker Soehne GmbH and Co Maschinenfabrik filed Critical Oase Pumpen Wuebker Soehne GmbH and Co Maschinenfabrik
Publication of EP2521223A2 publication Critical patent/EP2521223A2/en
Publication of EP2521223A3 publication Critical patent/EP2521223A3/en
Application granted granted Critical
Publication of EP2521223B1 publication Critical patent/EP2521223B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5216—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/523—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for use under water
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/521—Sealing between contact members and housing, e.g. sealing insert

Definitions

  • the invention relates to a plug for moisture-proof electrical connectors according to the preamble of claim 1.
  • connection has additional sealing elements.
  • substantial improvements in moisture protection could be achieved.
  • the connection itself is insufficiently secured so that the seals of the plug connection do not function properly or if the cable is damaged, it can also lead to defects in the plug.
  • plugs which are intended to be exposed to moisture in particular in the underwater area, there is often the problem that incoming moisture is led into the plug by the capillary action along the individual electrical lines or is forwarded in the plug and causes irreparable damage there or in the connected devices ,
  • the invention is therefore based on the object to improve a plug with respect to its protective properties against moisture.
  • a plug having the features of claim 1.
  • the individual electrical lines which are sheathed within a plug cable each with individual insulation, partially stripped, and not only at their ends to which the connection, in particular Soldering done with the contact elements, but also in an area beyond it, which is surrounded by potting compound on completion of the plug.
  • the potting compound completely covers the bare wires and seals them reliably.
  • the encapsulation with potting compound then acts as a capillary barrier. So that the stripped areas can not touch each other during the production of the plug and can lead to short circuits, according to the invention at least one electrically non-conductive spacer is used, which spaces the stripped areas apart from each other.
  • the cable sheath is usually partially removed and then at the ends of the individual electrical lines their respective insulation. Stripped areas in the sense of the invention, however, are to be understood as meaning not only those areas of the electrical lines in which a previously existing insulation has been removed, but also those which may have been removed from the front without insulation, i. were made without insulation.
  • the non-conductive spacer in the finished plug is also surrounded by the potting compound and is fixed and held by this.
  • the stripped and surrounded by potting compound portions on the side facing away from the contact elements of the spacer may also be stripped partial areas in front of the spacer, ie between the contact elements and the spacer may be present, which may also be surrounded by potting compound.
  • the spacer is then arranged between two stripped and surrounded by potting compound portions. This further increases the longitudinal water-tightness.
  • the spacer is not directly connected to the housing of the plug.
  • a connection to the housing exclusively via the potting compound and / or the cable or the electrical lines themselves. This simplifies the production of the plug, and yet the cured electrical potting compound and the spacer are immovably fixed in the housing.
  • the spacer is formed by remaining insulation sections. These are arranged between the line ends, which are electrically connected to the contact elements, and the stripped and later encapsulated with encapsulant area, which serves the longitudinal water-tightness.
  • the spacer may be advantageous to arrange at least one spreading element between the stripped areas and the cable sheath, ie the outer insulation of the cable, which prevents contact between the lines in the stripped areas. This may be necessary because a certain minimum length of stripping is required to secure the longitudinal water-tightness.
  • the leads are very thin or soft and therefore too flexible, it may possibly come in contact with the connector despite the spacer in the stripped area.
  • the expansion element can be formed, for example, by shrink tubing pieces drawn onto the individual lines.
  • so-called power lines with usually only two data lines and larger cross-section usually> 0.5 mm 2
  • the insulation of the individual electrical lines are usually thick enough to touch the individual Exclude cables or strands, so that a further expansion element is usually not necessary.
  • the in Fig. 1 shown plug has a connector housing 1, in the front side of a contact carrier 2 is inserted.
  • the front of the plug is provided with a profile seal 3.
  • contact elements 4 are held, which are connected via contact pins 5 conductively connected to electrical lines 6.
  • the electrical lines 6 each have a sheathing insulation 7 and are summarized in the further course by a cable sheath in a cable 8, the cable 8 extends at the rear end of the connector housing 1 out, which is closed there with a seal 9.
  • the individual electrical lines 6 between the electrical connection with the contact elements 4 and the merger in the cable 8 each have an insulation-free or stripped area 6 ', which is surrounded in each case by the interior of the plug housing 1 filling potting compound 10. So that the stripped regions 6 'of the electrical leads 6 do not come into contact with the assembly of the plug, according to the invention between the stripped areas 6 'and the electrically conductive connections with the contact elements 4, here via the contact pins 5, a spacer arranged. This is formed in the illustrated embodiment by remaining insulation sections 7 ', which complain about the electrical lines 6 in this area from each other. Preferably, these insulation sections 7 'and the spacer is stabilizing also surrounded by potting compound 10. Also, before the insulation sections 7 'in each case a further stripped portion 6 "be present, which may also be surrounded by potting compound 10 for further improvement in density.
  • the stripped regions 6 'behind the spacer 7' should have at least a length L of 3 mm, preferably even at least 5 mm in length.
  • this length L should not be greater than 20 mm, preferably even not more than 10 mm.
  • the stripped regions 6 ' may nevertheless come into contact, as long as they are not yet surrounded by the potting compound 10.
  • at least one additional expansion element This should preferably be arranged in the transition region between the stripped region 6 'and the sheathing insulation 7. It may also surround the sheathing insulation 7 prior to being gathered in the cable 8.
  • This expansion element may preferably be formed by spreader elements 12 mounted on the individual lines 6, as shown in FIG Fig. 2 is shown.
  • the Spreizelement conductede 12 are preferably shrink tubing pieces. So cause the Spreizelement conductede 12 as it were a Thickening of the insulation 7 and thereby a further spacing of the stripped regions 6 'from each other.
  • the plug according to the invention has an excellent longitudinal water-tightness and is therefore very safe even in underwater use. This improved tightness is structurally simple and without significantly increased costs in the inventive manner.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The plug connector has a plug housing (1) and two contact elements (4) connected to an electric line (6) which extends through the housing and having a sheathing insulation (7). The interior of housing is partly filled with a potting compound (10). An electrically non-conductive spacer is arranged between the stripped regions (6') and the contact elements. The stripped regions are formed around the contact elements and are set facing away from the spacer of the potting compound.

Description

Die Erfindung betrifft einen Stecker für feuchtigkeitsgeschützte elektrische Steckverbindungen nach dem Oberbegriff des Anspruchs 1.The invention relates to a plug for moisture-proof electrical connectors according to the preamble of claim 1.

Aus der DE 10 2009 060 564 A1 ist eine Steckverbindungsanordnung bekannt, bei der die Verbindung über zusätzliche Dichtelemente verfügt. Damit konnten wesentliche Verbesserungen im Schutz gegen Feuchtigkeit erzielt werden. Sofern die Verbindung selbst aber unzureichend befestigt wird, so dass die Dichtungen der Steckerverbindung in ihrer Funktion nicht greifen oder bei beschädigtem Kabel, kann es auch im Stecker zu Defekten kommen. Bei Steckern, die unter Feuchtigkeitseinflüssen, insbesondere im Unterwasserbereich angesetzt werden sollen, besteht nämlich häufig die Problematik, dass eintretende Feuchtigkeit durch die Kapillarwirkung entlang der einzelnen elektrischen Leitungen in den Stecker hineingeleitet oder im Stecker weitergeleitet wird und dort oder in den angeschlossenen Geräten irreparable Schäden verursacht.From the DE 10 2009 060 564 A1 is a connector assembly is known in which the connection has additional sealing elements. Thus, substantial improvements in moisture protection could be achieved. However, if the connection itself is insufficiently secured so that the seals of the plug connection do not function properly or if the cable is damaged, it can also lead to defects in the plug. In the case of plugs which are intended to be exposed to moisture, in particular in the underwater area, there is often the problem that incoming moisture is led into the plug by the capillary action along the individual electrical lines or is forwarded in the plug and causes irreparable damage there or in the connected devices ,

Der Erfindung liegt daher die Aufgabe zugrunde, einen Stecker hinsichtlich seiner Schutzeigenschaften gegen Feuchtigkeit zu verbessern.The invention is therefore based on the object to improve a plug with respect to its protective properties against moisture.

Diese Aufgabe wird durch einen Stecker mit den Merkmalen des Anspruchs 1 gelöst. Dabei werden die einzelnen elektrischen Leitungen, die innerhalb eines Steckerkabels jeweils mit einzelnen Isolierungen ummantelt sind, bereichsweise abisoliert und zwar nicht nur an ihren Enden, an denen die Verbindung, insbesondere Verlötung mit den Kontaktelementen erfolgt, sondern auch in einem darüber hinausgehenden Bereich, der bei Fertigstellung des Steckers mit Vergussmasse umgeben ist. Beim Vergießprozess (unter Vakuum) legt sich die Vergussmasse komplett um die blanken Drähte und versiegelt diese zuverlässig. Die Ummantelung mit Vergussmasse wirkt sodann als Kapillarsperre. Damit die abisolierten Bereiche sich auch bei der Fertigung des Steckers nicht berühren und zu Kurzschlüssen führen können, wird erfindungsgemäß zumindest ein elektrisch nicht leitender Abstandhalter eingesetzt, der die abisolierten Bereiche voneinander beabstandet.This object is achieved by a plug having the features of claim 1. In this case, the individual electrical lines, which are sheathed within a plug cable each with individual insulation, partially stripped, and not only at their ends to which the connection, in particular Soldering done with the contact elements, but also in an area beyond it, which is surrounded by potting compound on completion of the plug. During the potting process (under vacuum), the potting compound completely covers the bare wires and seals them reliably. The encapsulation with potting compound then acts as a capillary barrier. So that the stripped areas can not touch each other during the production of the plug and can lead to short circuits, according to the invention at least one electrically non-conductive spacer is used, which spaces the stripped areas apart from each other.

Bei der Herstellung elektrischer Verbindungen mit Leitungskabeln wird üblicherweise zunächst der Kabelmantel teilweise entfernt und dann an den Enden der einzelnen elektrischen Leitungen deren jeweilige Isolierungen. Unter abisolierten Bereichen im Sinne der Erfindung sind jedoch nicht nur solche Bereiche der elektrischen Leitungen zu verstehen, bei denen eine vorher vorhandene Isolierung entfernt wurde, sondern auch solche, die möglicherweise von vorne herein ohne Isolierung, d.h. isolierungsfrei gefertigt wurden.In the production of electrical connections with cable cables, the cable sheath is usually partially removed and then at the ends of the individual electrical lines their respective insulation. Stripped areas in the sense of the invention, however, are to be understood as meaning not only those areas of the electrical lines in which a previously existing insulation has been removed, but also those which may have been removed from the front without insulation, i. were made without insulation.

Vorzugsweise ist der nicht leitende Abstandhalter im fertigen Stecker ebenfalls von der Vergussmasse umgeben und wird durch diese fixiert und gehalten. Zusätzlich zu den abisolierten und von Vergussmasse umgebenen Teilbereichen auf der den Kontaktelementen abgewandten Seite des Abstandhalters können vor dem Abstandhalter, d.h. zwischen den Kontaktelementen und dem Abstandhalter ebenfalls abisolierte Teilbereiche vorhanden sein, die ebenfalls von Vergussmasse umgeben sein können. Der Abstandhalter ist dann zwischen zwei abisolierten und von Vergussmasse umgebenen Teilbereichen angeordnet. Dies erhöht die Längswasserdichtigkeit noch weiter.Preferably, the non-conductive spacer in the finished plug is also surrounded by the potting compound and is fixed and held by this. In addition to the stripped and surrounded by potting compound portions on the side facing away from the contact elements of the spacer may also be stripped partial areas in front of the spacer, ie between the contact elements and the spacer may be present, which may also be surrounded by potting compound. The spacer is then arranged between two stripped and surrounded by potting compound portions. This further increases the longitudinal water-tightness.

Bevorzugt ist der Abstandhalter nicht unmittelbar mit dem Gehäuse des Steckers verbunden. Insbesondere besteht eine Verbindung zu dem Gehäuse ausschließlich über die Vergussmasse und/oder das Kabel bzw. die elektrischen Leitungen selbst. Dadurch ist die Herstellung des Steckers vereinfacht, und dennoch sind bei ausgehärteter Vergussmasse die elektrischen Leitungen und der Abstandhalter unverrückbar im Gehäuse fixiert.Preferably, the spacer is not directly connected to the housing of the plug. In particular, a connection to the housing exclusively via the potting compound and / or the cable or the electrical lines themselves. This simplifies the production of the plug, and yet the cured electrical potting compound and the spacer are immovably fixed in the housing.

Eine besonders bevorzugte Ausführungsform besteht darin, dass der Abstandhalter durch verbliebene lsolierungs-Teilstücke gebildet wird. Diese sind zwischen den Leitungsenden, die elektrisch mit den Kontaktelementen verbunden sind, und dem abisolierten und später mit Vergussmasse umgebenen Bereich, der der Längswasserdichtigkeit dient, angeordnet. Bei sehr flexiblen, d.h. dünneren oder weicheren elektrischen Leitungen kann es vorteilhaft sein, zwischen den abisolierten Bereichen und dem Kabelmantel, d.h. der Außenisolierung des Kabels zumindest ein Spreizelement anzuordnen, das eine Berührung der Leitungen in den abisolierten Bereichen verhindert. Dies kann nötig sein, da eine gewisse Mindestlänge an Abisolierung zur Sicherung der Längswasserdichtigkeit gewünscht ist. Sind die Leitungen jedoch sehr dünn oder weich und daher zu flexibel, könnte es eventuell trotz des Abstandhalters im abisolierten Bereich selbst bei der Herstellung des Steckers zu Berührungen kommen. Insbesondere bei sogenannten mehradrigen Datenleitungen mit typischerweise kleinem Querschnitt können daher solche Spreizelemente vorteilhaft sein. Das Spreizelement kann beispielsweise durch auf die einzelnen Leitungen aufgezogene Schrumpfschlauchstücke gebildet sein. Bei dickeren oder eigensteifen elektrischen Leitungen, sogenannten Powerleitungen mit meist nur zwei Datenleitungen und größerem Querschnitt (üblicherweise > 0,5 mm2), sind die Isolierungen der einzelnen elektrischen Leitungen meist dick genug, um eine Berührung der einzelnen Leitungen bzw. Litzen auszuschließen, so dass ein weiteres Spreizelement in der Regel nicht notwendig ist.A particularly preferred embodiment is that the spacer is formed by remaining insulation sections. These are arranged between the line ends, which are electrically connected to the contact elements, and the stripped and later encapsulated with encapsulant area, which serves the longitudinal water-tightness. In the case of very flexible, ie thinner or softer electrical lines, it may be advantageous to arrange at least one spreading element between the stripped areas and the cable sheath, ie the outer insulation of the cable, which prevents contact between the lines in the stripped areas. This may be necessary because a certain minimum length of stripping is required to secure the longitudinal water-tightness. However, if the leads are very thin or soft and therefore too flexible, it may possibly come in contact with the connector despite the spacer in the stripped area. In particular, in so-called multi-core data lines with typically small cross-section, therefore, such spreading elements may be advantageous. The expansion element can be formed, for example, by shrink tubing pieces drawn onto the individual lines. For thicker or intrinsically stiff electrical lines, so-called power lines with usually only two data lines and larger cross-section (usually> 0.5 mm 2 ), the insulation of the individual electrical lines are usually thick enough to touch the individual Exclude cables or strands, so that a further expansion element is usually not necessary.

Weitere Vorteile und Einzelheiten ergeben sich aus den Unteransprüchen und in den Zeichnungen dargestellten Ausführungsbeispielen der Erfindung, die im Folgenden beschrieben werden; es zeigen:

Fig. 1
einen erfindungsgemäßen Stecker im Längsschnitt und
Fig. 2
eine weitere Ausführungsform der elektrischen Leitungen, wie sie im Steckergehäuse angeordnet sein können.
Further advantages and details will become apparent from the dependent claims and illustrated in the drawings embodiments of the invention, which are described below; show it:
Fig. 1
a connector according to the invention in longitudinal section and
Fig. 2
a further embodiment of the electrical lines, as they can be arranged in the connector housing.

Der in Fig. 1 gezeigte Stecker besitzt ein Steckergehäuse 1, in das vorderseitig ein Kontaktträger 2 eingelassen ist. Zusätzlich ist die Vorderseite des Steckers mit einer Profildichtung 3 versehen. Im Kontaktträger 2 sind Kontaktelemente 4 gehalten, die über Kontaktstifte 5 leitend mit elektrischen Leitungen 6 verbunden sind. Die elektrischen Leitungen 6 weisen jeweils eine sie ummantelnde Isolierung 7 auf und sind im weiteren Verlauf durch einen Kabelmantel in einem Kabel 8 zusammengefasst das Kabel 8 erstreckt sich am rückwärtigen Ende aus dem Steckergehäuse 1 heraus, welches dort mit einer Dichtung 9 verschlossen ist.The in Fig. 1 shown plug has a connector housing 1, in the front side of a contact carrier 2 is inserted. In addition, the front of the plug is provided with a profile seal 3. In the contact carrier 2 contact elements 4 are held, which are connected via contact pins 5 conductively connected to electrical lines 6. The electrical lines 6 each have a sheathing insulation 7 and are summarized in the further course by a cable sheath in a cable 8, the cable 8 extends at the rear end of the connector housing 1 out, which is closed there with a seal 9.

Erfindungsgemäß weisen die einzelnen elektrischen Leitungen 6 zwischen der elektrischen Verbindung mit den Kontaktelementen 4 und der Zusammenführung im Kabel 8 je einen isolierungsfreien bzw. abisolierten Bereich 6' auf, der jeweils von das Innere des Steckergehäuses 1 ausfüllenden Vergussmasse 10 umgeben ist. Damit bei der Montage des Steckers die abisolierten Bereiche 6' der elektrischen Leitungen 6 nicht in Berührung geraten, ist erfindungsgemäß zwischen den abisolierten Bereichen 6' und den elektrisch leitenden Verbindungen mit den Kontaktelementen 4, hier über die Kontaktstifte 5, ein Abstandhalter angeordnet. Dieser wird bei der dargestellten Ausführungsform durch verbliebene Isolierungs-Teilstücke 7' gebildet, die die elektrischen Leitungen 6 in diesem Bereich voneinander beanstanden. Bevorzugt sind diese Isolierungs-Teilstücke 7' bzw. ist der Abstandhalter stabilisierend ebenfalls von Vergussmasse 10 umgeben. Auch kann vor den Isolierungs-Teilstücken 7' jeweils ein weiterer abisolierter Teilbereich 6" vorhanden sein, der zur weiteren Dichtigkeitsverbesserung ebenfalls von Vergussmasse 10 umgeben sein kann.According to the invention, the individual electrical lines 6 between the electrical connection with the contact elements 4 and the merger in the cable 8 each have an insulation-free or stripped area 6 ', which is surrounded in each case by the interior of the plug housing 1 filling potting compound 10. So that the stripped regions 6 'of the electrical leads 6 do not come into contact with the assembly of the plug, according to the invention between the stripped areas 6 'and the electrically conductive connections with the contact elements 4, here via the contact pins 5, a spacer arranged. This is formed in the illustrated embodiment by remaining insulation sections 7 ', which complain about the electrical lines 6 in this area from each other. Preferably, these insulation sections 7 'and the spacer is stabilizing also surrounded by potting compound 10. Also, before the insulation sections 7 'in each case a further stripped portion 6 "be present, which may also be surrounded by potting compound 10 for further improvement in density.

Um eine ausreichende Benetzung und Umgebung mit der Vergussmasse 10 zu erreichen, sollten die abisolierten Bereiche 6' hinter dem Abstandhalter 7' zumindest eine Länge L von 3 mm, vorzugsweise sogar mindestens 5 mm Länge aufweisen. Da andererseits eine zu große Länge L wiederum dazu führen könnte, dass die abisolierten Bereiche 6' sich bei der Montage berühren, sollte diese Länge L nicht größer als 20 mm, bevorzugt sogar maximal 10 mm betragen.In order to achieve a sufficient wetting and environment with the potting compound 10, the stripped regions 6 'behind the spacer 7' should have at least a length L of 3 mm, preferably even at least 5 mm in length. On the other hand, since too great a length L could in turn lead to the stripped regions 6 'touching each other during assembly, this length L should not be greater than 20 mm, preferably even not more than 10 mm.

Bei sehr dünnen und/oder flexiblen elektrischen Leitungen 6 könnte es trotzdem zu Berührungen der abisolierten Bereiche 6' kommen, solange diese noch nicht von der Vergussmasse 10 umgeben sind. Um dies zu verhindern, ist es vorteilhaft, zumindest ein zusätzliches Spreizelement einzusetzen. Dieses sollte vorzugsweise im Übergangsbereich zwischen dem abisolierten Bereich 6' und der ummantelnden Isolierung 7 angeordnet sein. Es kann auch die ummantelnde Isolierung 7 vor der Zusammenfassung im Kabel 8 umgeben. Dieses Spreizelement kann bevorzugt durch auf die einzelnen Leitungen 6 aufgezogene Spreizelementstücke 12 gebildet sein, wie es in Fig. 2 dargestellt ist. Die Spreizelementstücke 12 sind vorzugsweise Schrumpfschlauchstücke. So bewirken die Spreizelementstücke 12 gleichsam eine Verdickung der Isolierung 7 und dadurch eine weitere Beabstandung der abisolierten Bereiche 6' voneinander.In the case of very thin and / or flexible electrical lines 6, the stripped regions 6 'may nevertheless come into contact, as long as they are not yet surrounded by the potting compound 10. To prevent this, it is advantageous to use at least one additional expansion element. This should preferably be arranged in the transition region between the stripped region 6 'and the sheathing insulation 7. It may also surround the sheathing insulation 7 prior to being gathered in the cable 8. This expansion element may preferably be formed by spreader elements 12 mounted on the individual lines 6, as shown in FIG Fig. 2 is shown. The Spreizelementstücke 12 are preferably shrink tubing pieces. So cause the Spreizelementstücke 12 as it were a Thickening of the insulation 7 and thereby a further spacing of the stripped regions 6 'from each other.

Der erfindungsgemäße Stecker verfügt über eine hervorragende Längswasserdichtigkeit und ist dadurch selbst im Unterwassereinsatz sehr sicher. Diese verbesserte Dichtigkeit wird auf die erfindungsgemäße Weise konstruktiv einfach und ohne wesentlich erhöhte Kosten bewirkt.The plug according to the invention has an excellent longitudinal water-tightness and is therefore very safe even in underwater use. This improved tightness is structurally simple and without significantly increased costs in the inventive manner.

Claims (9)

Stecker für feuchtigkeitsgeschützte elektrische Steckverbindung mit einem Steckergehäuse (1) und zumindest zwei an diesem gehaltenen Kontaktelementen (4) die jeweils mit einer elektrischen Leitung (6), die sich durch das Gehäuse (1) hindurch erstreckt und jeweils eine sie ummantelnde Isolierung (7) aufweist, leitend verbunden sind, wobei das Gehäuseinnere zumindest teilweise mit einer Vergussmasse (10) gefüllt ist, dadurch gekennzeichnet, dass die Leitungen (6) im Anschluss an die Verbindungen mit den Kontaktelementen (4) je zumindest einen Bereich (6') ohne Isolierung (7) aufweisen, wobei zwischen diesen abisolierten Bereichen (6') und den elektrisch leitenden Verbindungen mit den Kontaktelementen (4) zumindest ein elektrisch nichtleitender Abstandhalter angeordnet ist und wobei zumindest die abisolierten (Teil)bereiche (6') auf der den Kontaktelementen (4) abgewandten Seite des Abstandhalters von der Vergussmasse (10) umgeben sind.Plug for moisture-proof electrical plug-in connection with a plug housing (1) and at least two contact elements (4) held on it, each with an electrical lead (6) extending through the housing (1) and each with an insulation (7) covering it has, are conductively connected, wherein the housing interior is at least partially filled with a potting compound (10), characterized in that the lines (6) after the connections with the contact elements (4) each at least one region (6 ') without insulation (7), wherein between these stripped regions (6 ') and the electrically conductive connections with the contact elements (4) at least one electrically non-conductive spacer is arranged and wherein at least the stripped (part) areas (6') on the contact elements ( 4) facing away from the spacer of the potting compound (10) are surrounded. Stecker nach Anspruch 1, dadurch gekennzeichnet, dass der Abstandhalter von der Vergussmasse (10) umgeben ist.Plug according to claim 1, characterized in that the spacer is surrounded by the potting compound (10). Stecker nach einem der vorigen Ansprüche, dadurch gekennzeichnet, dass abisolierte Teilbereiche (6") zwischen den Kontaktelementen (4) und dem Abstandhalter vorhanden und von der Vergussmasse (10) umgeben sind.Plug according to one of the preceding claims, characterized in that stripped portions (6 ") between the contact elements (4) and the spacer present and surrounded by the potting compound (10). Stecker nach einem der vorigen Ansprüche, dadurch gekennzeichnet, dass der Abstandhalter nicht unmittelbar mit dem Gehäuse (1) verbunden ist.Plug according to one of the preceding claims, characterized in that the spacer is not directly connected to the housing (1). Stecker nach einem der vorigen Ansprüche, dadurch gekennzeichnet, dass der Abstandhalter durch verbliebene Isolierungs-Teilstücke (7') gebildet ist.Plug according to one of the preceding claims, characterized in that the spacer is formed by remaining insulation sections (7 '). Stecker nach einem der vorigen Ansprüche, dadurch gekennzeichnet, dass im Übergangsbereich zwischen den abisolierten Bereichen (6') und der ummantelnden Isolierung (7) zumindest ein Spreizelement (12) angeordnet ist, das eine Berührung der Leitungen (6) verhindert.Plug according to one of the preceding claims, characterized in that in the transition region between the stripped regions (6 ') and the sheathing insulation (7) at least one spreading element (12) is arranged, which prevents contact of the lines (6). Stecker nach Anspruch 4, dadurch gekennzeichnet, dass das Spreizelement (12) durch auf die einzelnen Leitungen (6) aufgezogene Schrumpfschlauchstücke gebildet ist.Plug according to claim 4, characterized in that the expansion element (12) is formed by the individual lines (6) mounted shrink tubing pieces. Stecker nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die abisolierten Bereiche (6') der Leitungen (6) hinter dem Abstandhalter eine Länge (L) von mindestens 3 mm, vorzugsweise mindestens 5 mm aufweisen.Plug according to one of the preceding claims, characterized in that the stripped regions (6 ') of the lines (6) behind the spacer have a length (L) of at least 3 mm, preferably at least 5 mm. Stecker nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die abisolierten Bereiche (6') der Leitungen (6) hinter dem Abstandhalter eine Länge (L) von maximal 20 mm, vorzugsweise maximal 10 mm aufweisen.Plug according to one of the preceding claims, characterized in that the stripped comprise regions (6 ') of the lines (6) behind the spacer has a length (L) of at most 20 mm, preferably a maximum of 10 mm.
EP12001334.7A 2011-05-06 2012-02-29 Connector for moisture-proof electric plug-in connector Active EP2521223B1 (en)

Applications Claiming Priority (1)

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DE102011106727A DE102011106727B3 (en) 2011-05-06 2011-05-06 Plug for moisture-proof electrical plug connection

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EP2521223A2 true EP2521223A2 (en) 2012-11-07
EP2521223A3 EP2521223A3 (en) 2014-11-26
EP2521223B1 EP2521223B1 (en) 2016-05-11

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US (1) US8591243B2 (en)
EP (1) EP2521223B1 (en)
CN (1) CN102769225B (en)
DE (1) DE102011106727B3 (en)
HU (1) HUE029075T2 (en)
PL (1) PL2521223T3 (en)

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US8591243B2 (en) 2013-11-26
CN102769225B (en) 2016-04-20
EP2521223A3 (en) 2014-11-26
PL2521223T3 (en) 2016-11-30
CN102769225A (en) 2012-11-07
EP2521223B1 (en) 2016-05-11
HUE029075T2 (en) 2017-02-28
DE102011106727B3 (en) 2012-07-05
US20120282794A1 (en) 2012-11-08

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