EP2599163B1 - Electrical connection - Google Patents

Electrical connection Download PDF

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Publication number
EP2599163B1
EP2599163B1 EP11730273.7A EP11730273A EP2599163B1 EP 2599163 B1 EP2599163 B1 EP 2599163B1 EP 11730273 A EP11730273 A EP 11730273A EP 2599163 B1 EP2599163 B1 EP 2599163B1
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EP
European Patent Office
Prior art keywords
connection
plug
contact element
housing
electrical connection
Prior art date
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EP11730273.7A
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German (de)
French (fr)
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EP2599163A1 (en
Inventor
Rainer Jakoby
Erwin Liegl
Anselm Gademann
Birgit Moeller
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Robert Bosch GmbH
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Robert Bosch GmbH
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Publication of EP2599163A1 publication Critical patent/EP2599163A1/en
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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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/187—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping combined with soldering or welding

Definitions

  • the invention relates to an electrical connection according to the preamble of claim 1.
  • Such an electrical connection is already well known, such as from US 3 717 842 A , of the DE 10 2007 020210 A1 and the DE 199 02 405 A1 , And is used in electrical equipment, such as control units or units in automotive technology, for electrically connecting a lead wire with a plug contact element.
  • a frictional connection in the form of a so-called crimp connection is usually used.
  • connection regions of the plug-in contact element are connected to the connection wire by plastic deformation.
  • Such a crimp connection is only partially solvable and usually not repairable.
  • plug connections which have a plug-in contact element and a mating plug contact. These two elements are also connected to each other by adhesion or spring action, such a connection as often as is solvable and reparable.
  • a disadvantage of both non-positive connections is that at very low electric currents, meaning in particular currents in the range of nanoamps or below, the contact points of the compound have a non-linear resistance behavior. This non-linear resistance behavior changes the electrical information, which should be forwarded as unchanged as possible by the electrical connection.
  • the present invention seeks to further develop an electrical connection according to the preamble of claim 1 such that the electrical connection has a linear as possible resistance behavior even when conducting very low currents.
  • This object is achieved according to the invention in an electrical connection with the features of claim 1, characterized in that the plug contact element is electrically contacted with a mating plug contact element and is connected to this both non-positively and cohesively.
  • the cohesive connection is designed as a welded or soldered connection.
  • a welded connection in particular a resistance, ultrasonic, or laser welding in question.
  • each of the cohesive connections mentioned can be realized on a large scale with relatively simple means and monitored well in terms of process engineering.
  • the crimp connection is designed as a double crimp connection.
  • the crimp is divided into two different crimping points, of which one crimp for non-positive connection of the plug contact element with the strand of a lead wire, while the other crimping the electrical contacting of the lead wire itself serves, this area is stripped from the strand or freed.
  • a strain relief is effected on the connection wire serving for the electrical contacting.
  • the plug-in contact element is electrically contacted with a mating plug contact element and is non-positively connected thereto and that between the plug contact element and the mating plug contact element, a further additional cohesive connection is formed.
  • the electrical connection is suitable e.g. for connecting an electrical appliance to a connection cable, e.g. the connection cable of a wiring harness in a motor vehicle.
  • a connection cable e.g. the connection cable of a wiring harness in a motor vehicle.
  • the additional additional cohesive connection is preferably designed as a welded or soldered connection.
  • the plug contact element in a plug housing is arranged and that the connector housing in an area of connection between the plug contact element and a mating connector contact element has an opening, in particular an opening, such that the connection area is accessible from the outside.
  • the plug housing is electrically contactable with its connection region with the mating plug contact elements arranged in a housing, in particular of an electrical device, and that the housing has a cutout which is arranged in at least partial coverage with the opening and which by means of a Cover element is closed.
  • a sealed and protected arrangement of the connection region between plug contact element and mating plug contact element in a housing of an electrical device is made possible.
  • the plug contact housing associated plug contact element in the plug housing by a positive connection, in particular by a latching connection is fixed. As a result, the plug-in contact element can be securely connected to the plug housing in a purely mechanical way and secured.
  • a particularly tight connection can also be achieved if the plug housing has a seal and cooperates with the housing of the electrical device.
  • FIG. 1 an electrical line in the form of a lead wire 1 (stranded wire) is shown, which is electrically contacted with a plug contact element in the form of a plug connection body 10.
  • the connecting wire 1 has an insulation 2, which encloses the stranded wires 5.
  • the connecting wire 1 is electrically stripped in the region of its electrical connection with the plug connection body 5, ie freed from its insulation 2.
  • the plug connection body 10 is, as is known per se, produced as a stamped / bent part from sheet metal and has two crimp regions 12, 13 which are spaced apart from one another in the longitudinal direction.
  • the first crimping area 12 of the non-positive connection of the connector body 10 with the insulation 2 near the stripped terminal wire 1 while the second crimping area 13 of the non-positive connection of the lead wire 1 with the connector body 10 is used.
  • the second crimping region 13, which serves for the electrical contacting of the connecting wire 5 with the plug connection body 10, is equipped or provided with an additional cohesive connection 15.
  • the additional cohesive connection 15 is formed in particular as a welded connection.
  • a laser, resistance or ultrasonic welding is considered as a welded connection.
  • a solder joint is conceivable.
  • a connector housing 20 is shown for use with a plurality of male terminal bodies 10, which are arranged parallel to each other in the connector housing 20.
  • the plug housing 20 has an opening in the form of an opening 21, whose one boundary wall 22 serves at the same time as a stop for the Verrastungsnasen 14 of the connector body 10, so that the plug connection body 10 are accommodated by positive engagement in the connector housing 20 and secured therein. It is also essential that the region of the opening 21 is arranged in the connector housing 20 in an area in which a non-positive connection with mating connectors 24 (see Fig. 4 ) takes place.
  • Fig. 4 is an electrical device 30, which has, for example, an integrated circuit, not shown, or the like.
  • the electrical device 30, which can be used in particular in a motor vehicle, has a housing 31 which has a recess 32 in the area of the mating connector 24.
  • the recess 32 is by means of a in the Fig. 6 lid member 33 shown tightly closed, for example by a laser welding.
  • the plug housing 20 is inserted with the region of its opening 21 in a housing portion 35.
  • either the housing section 35, or preferably the plug housing 20 has one in which Fig. 3 recognizable seal 36.
  • the state is shown in which the connector housing 20 is fully inserted into the housing portion 35 of the housing 31. It can be seen in particular that the opening 21 of the plug housing 20 and the recess 32 of the housing 31 are arranged in alignment with each other, so that the connecting portion 37 between the male terminal bodies 10 and the mating plugs 24, in which they are positively and electrically connected to each other, from the outside ago accessible or editable. According to the invention, it is provided that in the connection region 37, the individual connections between the respective plug connection bodies 10 and the associated mating plugs 24 are provided with a further cohesive connection 38. This further cohesive connection 38 is preferably designed as a soldered or welded connection.
  • the additional cohesive connection 38 is formed as a laser welding connection.
  • the housing 31 is closed by means of the cover element 33 so that it is sealed to the outside.
  • the electrical connection described so far can be modified or modified in many ways without departing from the spirit of the invention.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Description

Stand der TechnikState of the art

Die Erfindung betrifft eine elektrische Verbindung nach dem Oberbegriff des Anspruchs 1.The invention relates to an electrical connection according to the preamble of claim 1.

Eine derartige elektrische Verbindung ist bereits allgemein bekannt, so z.B. aus der US 3 717 842 A , der DE 10 2007 020210 A1 und der DE 199 02 405 A1 , und dient bei elektrischen Geräten, beispielsweise bei Steuergeräten oder Aggregaten in der Kraftfahrzeugtechnik, zum elektrischen Verbinden eines Anschlussdrahtes mit einem Steckkontaktelement. Hierbei wird üblicherweise eine kraftschlüssige Verbindung in Form einer sogenannten Crimpverbindung eingesetzt. Bei einer Crimpverbindung werden Anschlussbereiche des Steckkontaktelements durch plastische Verformung mit dem Anschlussdraht verbunden. Eine derartige Crimpverbindung ist nur bedingt lösbar und meist nicht reparabel.Such an electrical connection is already well known, such as from US 3 717 842 A , of the DE 10 2007 020210 A1 and the DE 199 02 405 A1 , And is used in electrical equipment, such as control units or units in automotive technology, for electrically connecting a lead wire with a plug contact element. In this case, a frictional connection in the form of a so-called crimp connection is usually used. In a crimp connection, connection regions of the plug-in contact element are connected to the connection wire by plastic deformation. Such a crimp connection is only partially solvable and usually not repairable.

Darüber hinaus sind Steckverbindungen bekannt, welche ein Steckkontaktelement und ein Gegensteckerkontakt aufweisen. Diese beiden Elemente werden ebenfalls durch Kraftschluss bzw. Federwirkung miteinander verbunden, wobei eine derartige Verbindung beliebig oft lösbar und reparabel ist.In addition, plug connections are known, which have a plug-in contact element and a mating plug contact. These two elements are also connected to each other by adhesion or spring action, such a connection as often as is solvable and reparable.

Nachteilig bei beiden kraftschlüssigen Verbindungen ist, dass bei sehr kleinen elektrischen Strömen, gemeint sind hier insbesondere Ströme im Bereich von Nanoampere oder darunter, die Kontaktstellen der Verbindung ein nichtlineares Widerstandsverhalten aufweisen. Dieses nichtlineare Widerstandsverhalten ändert die elektrische Information, die durch die elektrische Verbindung möglichst unverändert weitergeleitet werden soll.A disadvantage of both non-positive connections is that at very low electric currents, meaning in particular currents in the range of nanoamps or below, the contact points of the compound have a non-linear resistance behavior. This non-linear resistance behavior changes the electrical information, which should be forwarded as unchanged as possible by the electrical connection.

Offenbarung der ErfindungDisclosure of the invention

Ausgehend von dem dargestellten Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine elektrische Verbindung nach dem Oberbegriff des Anspruchs 1 derart weiterzubilden, dass die elektrische Verbindung auch beim Leiten von sehr geringen Strömen ein möglichst lineares Widerstandsverhalten aufweist. Diese Aufgabe wird bei einer elektrischen Verbindung mit den Merkmalen des Anspruchs 1 erfindungsgemäß dadurch gelöst, dass das Steckkontaktelement mit einem Gegensteckerkontaktelement elektrisch kontaktiert ist und mit diesem sowohl kraftschlüssig als auch stoffschlüssig verbunden ist.Based on the illustrated prior art, the present invention seeks to further develop an electrical connection according to the preamble of claim 1 such that the electrical connection has a linear as possible resistance behavior even when conducting very low currents. This object is achieved according to the invention in an electrical connection with the features of claim 1, characterized in that the plug contact element is electrically contacted with a mating plug contact element and is connected to this both non-positively and cohesively.

Man macht sich daher den Vorteil einer relativ einfachen Montage, wie diese bei einer kraftschlüssigen Verbindung in der Regel vorhanden ist, zunutze, und ändert bzw. modifiziert die kraftschlüssige Verbindung anschließend durch eine zusätzliche stoffschlüssige Verbindung, die eine gleichbleibend optimale Leitfähigkeit des Stromes auch bei sehr geringen Strömen gewährleistet.One therefore makes use of the advantage of a relatively simple assembly, as is usually the case with a non-positive connection, and then modifies or modifies the non-positive connection by an additional cohesive connection, which ensures a consistently optimal conductivity of the current even at very high ensured low currents.

Vorteilhafte Weiterbildungen der erfindungsgemäßen elektrischen Verbindung sind in den Unteransprüchen angegeben. In den Rahmen der Erfindung fallen sämtliche Kombinationen aus zumindest zwei von in den Ansprüchen, der Beschreibung und/oder den Figuren offenbarten Merkmalen.Advantageous developments of the electrical connection according to the invention are specified in the subclaims. All combinations of at least two of the features disclosed in the claims, the description and / or the figures fall within the scope of the invention.

In einer vorteilhaften Weiterbildung der Erfindung ist es vorgesehen, dass die stoffschlüssige Verbindung als Schweiß- oder Lötverbindung ausgebildet ist. Hierbei kommt als Schweißverbindung insbesondere eine Widerstands-, Ultraschall-, oder Laserschweißverbindung in Frage. Jede der genannten stoffschlüssigen Verbindungen lässt sich großtechnisch, je nach Anwendungsfall, mit relativ einfachen Mitteln realisieren und prozesstechnisch gut überwachen.In an advantageous embodiment of the invention, it is provided that the cohesive connection is designed as a welded or soldered connection. Here comes as a welded connection in particular a resistance, ultrasonic, or laser welding in question. Depending on the application, each of the cohesive connections mentioned can be realized on a large scale with relatively simple means and monitored well in terms of process engineering.

In einer weiteren vorteilhaften Ausgestaltung der Erfindung ist es vorgesehen, dass die Crimpverbindung als Doppelcrimpverbindung ausgebildet ist. Hierbei wird der Crimpbereich in zwei unterschiedliche Crimpstellen unterteilt, wovon die eine Crimpstelle zum kraftschlüssigen Verbinden des Steckkontaktelements mit der Litze eines Anschlussdrahtes dient, während die andere Crimpstelle der elektrischen Kontaktierung des Anschlussdrahtes selbst dient, wobei dieser Bereich von der Litze abisoliert bzw. befreit ist. Dadurch wird insbesondere bei einer Zugbeanspruchung eine Zugentlastung auf den der elektrischen Kontaktierung dienenden Anschlussdraht bewirkt.In a further advantageous embodiment of the invention, it is provided that the crimp connection is designed as a double crimp connection. Here, the crimp is divided into two different crimping points, of which one crimp for non-positive connection of the plug contact element with the strand of a lead wire, while the other crimping the electrical contacting of the lead wire itself serves, this area is stripped from the strand or freed. As a result, in particular in the case of a tensile stress, a strain relief is effected on the connection wire serving for the electrical contacting.

Erfindungsgemäß ist es vorgesehen, dass das Steckkontaktelement mit einem Gegensteckerkontaktelement elektrisch kontaktiert und mit diesem kraftschlüssig verbunden ist und, dass zwischen dem Steckkontaktelement und dem Gegensteckerkontaktelement eine weitere zusätzliche stoffschlüssige Verbindung ausgebildet ist. Dadurch eignet sich die elektrische Verbindung z.B. zum Verbinden eines elektrischen Gerätes mit einem Anschlusskabel, z.B. dem Anschlusskabel eines Kabelbaumes in einem Kraftfahrzeug. Hierbei wird durch die weitere zusätzliche stoffschlüssige Verbindung zwischen dem Steckkontaktelement und dem Gegensteckerkontaktelement auch an dieser Stelle die Übertragung besonders kleiner Stromstärken ohne Informationsverlust ermöglicht.According to the invention, it is provided that the plug-in contact element is electrically contacted with a mating plug contact element and is non-positively connected thereto and that between the plug contact element and the mating plug contact element, a further additional cohesive connection is formed. As a result, the electrical connection is suitable e.g. for connecting an electrical appliance to a connection cable, e.g. the connection cable of a wiring harness in a motor vehicle. In this case, the transmission of particularly small currents without loss of information is made possible by the additional additional cohesive connection between the plug contact element and the mating plug contact element at this point.

Wie bei der ersten stoffschlüssigen Verbindung ist auch die weitere zusätzliche stoffschlüssige Verbindung bevorzugt als Schweiß- oder Lötverbindung ausgebildet.As with the first cohesive connection, the additional additional cohesive connection is preferably designed as a welded or soldered connection.

Um einerseits eine geschützte Anordnung der elektrischen Verbindung im Bereich des Steckkontaktelements mit dem Gegensteckerkontaktelement zu ermöglichen, und andererseits die zusätzliche stoffschlüssige Verbindung auf relativ einfache Art und Weise ausbilden zu können, ist es in einer weiteren Ausgestaltung der Erfindung vorgesehen, dass das Steckkontaktelement in einem Steckergehäuse angeordnet ist und, dass das Steckergehäuse in einem Verbindungsbereich zwischen dem Steckkontaktelement und einem Gegensteckerkontaktelement eine Öffnung, insbesondere einen Durchbruch aufweist, derart, dass der Verbindungsbereich von außen zugänglich ist.On the one hand to allow a protected arrangement of the electrical connection in the region of the plug contact element with the mating plug contact element, and on the other hand to be able to form the additional cohesive connection in a relatively simple manner, it is provided in a further embodiment of the invention that the plug contact element in a plug housing is arranged and that the connector housing in an area of connection between the plug contact element and a mating connector contact element has an opening, in particular an opening, such that the connection area is accessible from the outside.

Besonders bevorzugt ist es hierbei vorgesehen, wenn das Steckergehäuse mit seinem Verbindungsbereich mit den in einem Gehäuse insbesondere eines elektrischen Geräts angeordneten Gegensteckerkontaktelementen elektrisch kontaktierbar ist und, dass das Gehäuse eine Aussparung aufweist, die in zumindest teilweiser Überdeckung mit der Öffnung angeordnet ist und die mittels eines Deckelelements verschließbar ist. Dadurch wird eine dichte und geschützte Anordnung des Verbindungsbereichs zwischen Steckkontaktelement und Gegensteckerkontaktelement in einem Gehäuse eines elektrischen Geräts ermöglicht. Um die Prozesssicherheit insbesondere im großserientechnischen Einsatz der Erfindung weiter zu verbessern ist es darüber hinaus vorteilhaft, wenn das dem Steckergehäuse zugeordnete Steckkontaktelement in dem Steckergehäuse durch eine Formschlussverbindung, insbesondere durch eine Rastverbindung, fixiert ist. Dadurch lässt sich das Steckkontaktelement auf rein mechanischem Weg sicher mit dem Steckergehäuse verbinden und sichern.It is particularly preferred in this case if the plug housing is electrically contactable with its connection region with the mating plug contact elements arranged in a housing, in particular of an electrical device, and that the housing has a cutout which is arranged in at least partial coverage with the opening and which by means of a Cover element is closed. As a result, a sealed and protected arrangement of the connection region between plug contact element and mating plug contact element in a housing of an electrical device is made possible. In order to further improve process reliability, in particular in the large-scale technical use of the invention, it is furthermore advantageous if the plug contact housing associated plug contact element in the plug housing by a positive connection, in particular by a latching connection, is fixed. As a result, the plug-in contact element can be securely connected to the plug housing in a purely mechanical way and secured.

Eine besonders dichte Verbindung lässt sich darüber hinaus erzielen, wenn das Steckergehäuse eine Dichtung aufweist und mit dem Gehäuse des elektrischen Geräts zusammenwirkt.A particularly tight connection can also be achieved if the plug housing has a seal and cooperates with the housing of the electrical device.

Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele sowie anhand der Zeichnung.Further advantages, features and details of the invention will become apparent from the following description of preferred embodiments and from the drawing.

Diese zeigt in:

Fig. 1
eine elektrische Verbindung zwischen einem Steckkontaktelement und einem Anschlussdraht in deren Crimpbereich in perspektivischer Ansicht,
Fig. 2
den Bereich der elektrischen Verbindung gemäß Fig. 1 aus anderer perspektivischer Ansicht,
Fig. 3
ein Steckergehäuse mit mehreren darin angeordneten Steckkontaktelementen in perspektivischer Ansicht,
Fig. 4
die Montage eines Steckergehäuses gemäß der Fig. 3 an einem Steuergerät in perspektivischer Ansicht,
Fig. 5
der Bereich einer Öffnung des Steuergeräts gemäß Fig. 4 bei montiertem Steckergehäuse in perspektivischer Ansicht und
Fig. 6
das mit dem Steckergehäuse verbundene Steuergerät bei verschlossener Öffnung des Steuergeräts.
Gleiche Bauteile bzw. Bauteile mit gleicher Funktion sind in den Figuren mit den gleichen Bezugsziffern versehen.This shows in:
Fig. 1
an electrical connection between a plug contact element and a connection wire in its crimping area in a perspective view,
Fig. 2
the range of the electrical connection according to Fig. 1 from another perspective view,
Fig. 3
a plug housing with a plurality of plug contact elements arranged therein in a perspective view,
Fig. 4
the assembly of a plug housing according to Fig. 3 on a control device in perspective view,
Fig. 5
the area of an opening of the control unit according to Fig. 4 with mounted connector housing in perspective view and
Fig. 6
the control unit connected to the connector housing with the opening of the control unit closed.
The same components or components with the same function are provided in the figures with the same reference numerals.

In der Fig. 1 ist eine elektrische Leitung in Form eines Anschlussdrahtes 1 (Litzenleitung) dargestellt, die mit einem Steckkontaktelement in Form eines Steckeranschlusskörpers 10 elektrisch kontaktiert ist. Der Anschlussdraht 1 weist eine Isolation 2 auf, die die Litzendrähte 5 umschließt. Der Anschlussdraht 1 ist im Bereich seiner elektrischen Verbindung mit dem Steckeranschlusskörper 5 elektrisch abisoliert, d.h. von seiner Isolation 2 befreit.In the Fig. 1 an electrical line in the form of a lead wire 1 (stranded wire) is shown, which is electrically contacted with a plug contact element in the form of a plug connection body 10. The connecting wire 1 has an insulation 2, which encloses the stranded wires 5. The connecting wire 1 is electrically stripped in the region of its electrical connection with the plug connection body 5, ie freed from its insulation 2.

Der Steckeranschlusskörper 10 ist, wie an sich bekannt, als Stanz-/Biegeteil aus Blech hergestellt und weist zwei voneinander in Längsrichtung beabstandete Crimpbereiche 12, 13 auf. Hierbei dient der erste Crimpbereich 12 der kraftschlüssigen Verbindung des Steckeranschlusskörpers 10 mit der Isolation 2 nahe dem abisolierten Anschlussdraht 1, während der zweite Crimpbereich 13 der kraftschlüssigen Verbindung des Anschlussdrahtes 1 mit dem Steckeranschlusskörper 10 dient. Wie man insbesondere anhand der Fig. 2 erkennt, weist der Steckeranschlusskörper 10 auf der den beiden Crimpbereichen 12, 13 gegenüberliegenden Seite noch eine durch einen Stanz-/Biegeprozess hergestellte, von dem eigentlichen Steckeranschlusskörper 10 abstehende Verrastungsnase 14 auf.The plug connection body 10 is, as is known per se, produced as a stamped / bent part from sheet metal and has two crimp regions 12, 13 which are spaced apart from one another in the longitudinal direction. Here, the first crimping area 12 of the non-positive connection of the connector body 10 with the insulation 2 near the stripped terminal wire 1, while the second crimping area 13 of the non-positive connection of the lead wire 1 with the connector body 10 is used. How to particular on the basis of Fig. 2 detects, the male terminal body 10 on the two crimping areas 12, 13 opposite side on a produced by a punching / bending process, projecting from the actual connector body 10 locking lug 14 on.

Erfindungsgemäß ist es vorgesehen, dass der zweite Crimpbereich 13, der der elektrischen Kontaktierung des Anschlussdrahtes 5 mit dem Steckeranschlusskörper 10 dient, mit einer zusätzlichen stoffschlüssigen Verbindung 15 ausgestattet bzw. versehen ist. Hierbei ist die zusätzliche stoffschlüssige Verbindung 15 insbesondere als Schweißverbindung ausgebildet. Als Schweißverbindung kommt dabei, je nach Anwendungsfall, insbesondere eine Laser-, Widerstands- oder Ultraschallschweißung in Frage. Alternativ ist auch eine Lötverbindung denkbar.According to the invention, it is provided that the second crimping region 13, which serves for the electrical contacting of the connecting wire 5 with the plug connection body 10, is equipped or provided with an additional cohesive connection 15. Here, the additional cohesive connection 15 is formed in particular as a welded connection. Depending on the application, in particular a laser, resistance or ultrasonic welding is considered as a welded connection. Alternatively, a solder joint is conceivable.

In der Fig. 3 ist ein Steckergehäuse 20 zur Verwendung mit mehreren Steckeranschlusskörpern 10 dargestellt, die parallel nebeneinander im Steckergehäuse 20 angeordnet sind. Hierbei weist das Steckergehäuse 20 einen Durchbruch in Form einer Öffnung 21 auf, dessen eine Begrenzungswand 22 gleichzeitig als Anschlag für die Verrastungsnasen 14 der Steckeranschlusskörper 10 dient, so dass die Steckeranschlusskörper 10 durch Formschluss in dem Steckergehäuse 20 aufgenommen bzw. darin gesichert sind. Wesentlich ist auch, dass der Bereich der Öffnung 21 in dem Steckergehäuse 20 in einem Bereich angeordnet ist, in dem eine kraftschlüssige Verbindung mit Gegensteckern 24 (siehe Fig. 4) stattfindet.In the Fig. 3 a connector housing 20 is shown for use with a plurality of male terminal bodies 10, which are arranged parallel to each other in the connector housing 20. Here, the plug housing 20 has an opening in the form of an opening 21, whose one boundary wall 22 serves at the same time as a stop for the Verrastungsnasen 14 of the connector body 10, so that the plug connection body 10 are accommodated by positive engagement in the connector housing 20 and secured therein. It is also essential that the region of the opening 21 is arranged in the connector housing 20 in an area in which a non-positive connection with mating connectors 24 (see Fig. 4 ) takes place.

In der Fig. 4 ist ein elektrisches Gerät 30, das beispielsweise eine nicht dargestellte integrierte Schaltung oder ähnliches aufweist, dargestellt. Das insbesondere in einem Kraftfahrzeug einsetzbare elektrische Gerät 30 weist ein Gehäuse 31 auf, das im Bereich der Gegenstecker 24 eine Aussparung 32 aufweist. Die Aussparung 32 ist mittels eines in der Fig. 6 dargestellten Deckelelements 33 dicht verschließbar, z.B. durch eine Laserverschweißung. Zum Fügen des Steckergehäuses 20 mit dem elektrischen Gerät 30 entsprechend der Richtung des Pfeils 34 in der Fig. 4 wird das Steckergehäuse 20 mit dem Bereich seiner Öffnung 21 in einen Gehäuseabschnitt 35 eingeführt. Um eine dichte Verbindung zwischen dem Steckergehäuse 20 und dem Gehäuseabschnitt 35 bzw. dem Gehäuse 31 zu erzielen, weist entweder der Gehäuseabschnitt 35, oder aber bevorzugt das Steckergehäuse 20 noch eine in der Fig. 3 erkennbare Dichtung 36 auf.In the Fig. 4 is an electrical device 30, which has, for example, an integrated circuit, not shown, or the like. The electrical device 30, which can be used in particular in a motor vehicle, has a housing 31 which has a recess 32 in the area of the mating connector 24. The recess 32 is by means of a in the Fig. 6 lid member 33 shown tightly closed, for example by a laser welding. For joining the plug housing 20 with the electrical device 30 according to the direction of the arrow 34 in the Fig. 4 the plug housing 20 is inserted with the region of its opening 21 in a housing portion 35. In order to achieve a sealed connection between the plug housing 20 and the housing section 35 or the housing 31, either the housing section 35, or preferably the plug housing 20, has one in which Fig. 3 recognizable seal 36.

In der Fig. 5 ist der Zustand dargestellt, bei dem das Steckergehäuse 20 vollständig in den Gehäuseabschnitt 35 des Gehäuses 31 eingeführt ist. Man erkennt insbesondere, dass die Öffnung 21 des Steckergehäuses 20 und die Aussparung 32 des Gehäuses 31 fluchtend zueinander angeordnet sind, so dass der Verbindungsbereich 37 zwischen den Steckeranschlusskörpern 10 und den Gegensteckern 24, in denen diese kraftschlüssig und elektrisch leitend miteinander verbunden sind, von außen her zugänglich bzw. bearbeitbar ist. Erfindungsgemäß ist es vorgesehen, dass im Verbindungsbereich 37 die einzelnen Verbindungen zwischen den jeweiligen Steckeranschlusskörpern 10 und den zugeordneten Gegensteckern 24 mit einer weiteren stoffschlüssige Verbindungen 38 versehen werden. Auch diese weitere stoffschlüssige Verbindung 38 ist bevorzugt als Löt- oder Schweißverbindung ausgebildet. Im dargestellten Ausführungsbeispiel, bei der die Gegenstecker 24 innerhalb der Steckeranschlusskörper 10 angeordnet bzw. von diesen umschlossen sind, ist die zusätzliche stoffschlüssige Verbindung 38 als Laserschweißverbindung ausgebildet. Sobald die zusätzliche stoffschlüssige Verbindung 38 ausgebildet ist, wird das Gehäuse 31 mittels des Deckelelements 33 verschlossen, so dass dieses nach außen hin abgedichtet ist. Die soweit beschriebene elektrische Verbindung lässt sich in vielfältiger Art und Weise modifizieren bzw. abwandeln ohne vom Erfindungsgedanken abzuweichen. So ist es beispielsweise denkbar, das Steckergehäuse 20 direkt mit Gegensteckern 24 elektrisch zu kontaktieren, ohne dass diese in einem separaten Gehäuse 31 eines elektrischen Geräts 30 angeordnet sind. In diesem Fall ist es sinnvollerweise vorgesehen, die Öffnung 21 des Steckergehäuses 20 mittels eines separaten Deckelelements zu verschließen.In the Fig. 5 the state is shown in which the connector housing 20 is fully inserted into the housing portion 35 of the housing 31. It can be seen in particular that the opening 21 of the plug housing 20 and the recess 32 of the housing 31 are arranged in alignment with each other, so that the connecting portion 37 between the male terminal bodies 10 and the mating plugs 24, in which they are positively and electrically connected to each other, from the outside ago accessible or editable. According to the invention, it is provided that in the connection region 37, the individual connections between the respective plug connection bodies 10 and the associated mating plugs 24 are provided with a further cohesive connection 38. This further cohesive connection 38 is preferably designed as a soldered or welded connection. In the illustrated embodiment, in which the mating connector 24 are disposed within the connector body 10 and enclosed by this, the additional cohesive connection 38 is formed as a laser welding connection. As soon as the additional cohesive connection 38 is formed, the housing 31 is closed by means of the cover element 33 so that it is sealed to the outside. The electrical connection described so far can be modified or modified in many ways without departing from the spirit of the invention. Thus, it is conceivable, for example, to contact the plug housing 20 directly with mating plugs 24 electrically, without these being arranged in a separate housing 31 of an electrical device 30. In this case, it is expediently provided to close the opening 21 of the plug housing 20 by means of a separate cover element.

Claims (9)

  1. Electrical connection comprising at least one plug-in contact element (10) and one connection wire (1) which is connected to the plug-in contact element (10), wherein the connection between the at least one plug-in contact element (10) and the connection wire (1) is made by means of at least one force-fitting connection (12, 13) which is, in particular, in the form of a crimped connection, and wherein the force-fitting connection (13) is additionally provided with a cohesive connection (15) or a soldered connection,
    characterized
    in that the plug-in contact element (10) is electrically contacted by a mating plug contact element (24) and is connected to the said mating plug contact element in a force-fitting manner, and in that an additional cohesive connection (38) or a soldered connection is formed between the plug-in contact element (10) and the mating plug contact element (24).
  2. Electrical connection according to Claim 1,
    characterized
    in that the cohesive connection (15) is in the form of a welded connection, in particular in the form of a laser, resistance or ultrasound welded connection.
  3. Electrical connection according to Claim 1 or 2,
    characterized
    in that the crimped connection (12, 13) is in the form of a double-crimped connection.
  4. Electrical connection according to Claim 1,
    characterized
    in that the further additional cohesive connection (38) is in the form of a welded connection.
  5. Electrical connection according to one of Claims 1 to 3,
    characterized
    in that the plug-in contact element (10) is arranged in a plug housing (20), and in that the plug housing (20), in a connecting region (37) between the plug-in contact element (10) and a mating plug contact element (24), has an opening (21), in particular an aperture, in such a way that the connecting region (37) is accessible from the outside.
  6. Electrical connection according to Claim 5,
    characterized
    in that the plug housing (20), by way of its connecting region (37), can be electrically contacted by the mating plug contact elements (24) which are arranged in a housing (31), in particular, of an electrical device (30), and in that the housing (31) has a cutout (32) which is arranged with an at least partial overlap with the opening (21) and can be closed by means of a cover element (33).
  7. Electrical connection according to Claim 5 or 6,
    characterized
    in that the plug-in contact element (10), which is associated with the plug housing (20), is fixed in the plug housing (10) by an interlocking connection, in particular by a latching connection (14).
  8. Electrical connection according to one of Claims 5 to 7,
    characterized
    in that the plug housing (20) has a seal (36) which interacts with the housing (31).
  9. Electrical connection according to one of Claims 5 to 8,
    characterized
    in that a plurality of plug-in contact elements (10) are arranged next to one another in parallel in the plug housing (20).
EP11730273.7A 2010-07-27 2011-07-01 Electrical connection Active EP2599163B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010038465A DE102010038465A1 (en) 2010-07-27 2010-07-27 Electrical connection
PCT/EP2011/061093 WO2012013446A1 (en) 2010-07-27 2011-07-01 Electrical connection

Publications (2)

Publication Number Publication Date
EP2599163A1 EP2599163A1 (en) 2013-06-05
EP2599163B1 true EP2599163B1 (en) 2018-11-28

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ID=44533408

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Application Number Title Priority Date Filing Date
EP11730273.7A Active EP2599163B1 (en) 2010-07-27 2011-07-01 Electrical connection

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US (1) US9065188B2 (en)
EP (1) EP2599163B1 (en)
JP (1) JP5638135B2 (en)
CN (1) CN103026553B (en)
DE (1) DE102010038465A1 (en)
RU (1) RU2572592C2 (en)
WO (1) WO2012013446A1 (en)

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Publication number Publication date
DE102010038465A1 (en) 2012-02-02
RU2013108359A (en) 2014-09-10
EP2599163A1 (en) 2013-06-05
JP5638135B2 (en) 2014-12-10
WO2012013446A1 (en) 2012-02-02
JP2013532887A (en) 2013-08-19
US9065188B2 (en) 2015-06-23
CN103026553B (en) 2016-04-27
CN103026553A (en) 2013-04-03
US20130118804A1 (en) 2013-05-16
RU2572592C2 (en) 2016-01-20

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