EP3698438B1 - Electric contacting device - Google Patents

Electric contacting device Download PDF

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Publication number
EP3698438B1
EP3698438B1 EP18795928.3A EP18795928A EP3698438B1 EP 3698438 B1 EP3698438 B1 EP 3698438B1 EP 18795928 A EP18795928 A EP 18795928A EP 3698438 B1 EP3698438 B1 EP 3698438B1
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EP
European Patent Office
Prior art keywords
contact
circuit board
electrical
printed circuit
contact elements
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EP18795928.3A
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German (de)
French (fr)
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EP3698438A1 (en
Inventor
Kathrin Eisfeld
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Harting Electric GmbH and Co KG
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Harting Electric GmbH and Co KG
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Publication of EP3698438A1 publication Critical patent/EP3698438A1/en
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/7076Coupling devices for connection between PCB and component, e.g. display
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50Fixed connections
    • H01R12/51Fixed connections for rigid printed circuits or like structures
    • H01R12/515Terminal blocks providing connections to wires or cables
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50Fixed connections
    • H01R12/51Fixed connections for rigid printed circuits or like structures
    • H01R12/55Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50Fixed connections
    • H01R12/51Fixed connections for rigid printed circuits or like structures
    • H01R12/55Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/57Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50Fixed connections
    • H01R12/51Fixed connections for rigid printed circuits or like structures
    • H01R12/55Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • H01R12/585Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/75Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/10Sockets for co-operation with pins or blades
    • H01R13/11Resilient sockets
    • H01R13/112Resilient sockets forked sockets having two legs
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/35Contact members for non-simultaneous co-operation with different types of contact member, e.g. socket co-operating with either round or flat pin
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405Securing in non-demountable manner, e.g. moulding, riveting
    • H01R13/41Securing in non-demountable manner, e.g. moulding, riveting by frictional grip in grommet, panel or base
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/24Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425Flat plates, e.g. multi-layered flat plates
    • H01R4/2429Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/02Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
    • H01R43/0256Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections for soldering or welding connectors to a printed circuit board
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/205Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve with a panel or printed circuit board
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/26Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device

Description

Die Erfindung geht aus von einer Vorrichtung zur elektrischen Kontaktierung elektrischer Bauteile mit einer Leiterkarte gemäß der Gattung des unabhängigen Anspruchs 1.The invention is based on a device for making electrical contact with electrical components with a circuit card according to the preamble of independent claim 1.

Kontaktierungseinrichtungen dieser Art werden benötigt, um Leiterkarten kostengünstig mit elektrischen Bauteilen bestücken zu können.Contacting devices of this type are required in order to be able to equip circuit cards with electrical components at low cost.

Stand der TechnikState of the art

Im Stand der Technik sind Verfahren zur automatisierten Verlötung elektrischer Bauteile mit Leiterkarten bekannt, beispielsweise die sogenannte "SMT" (Surface Mounted Technology) oder den sogenannten THR (Through Hole Reflow).In the prior art, methods for the automated soldering of electrical components with circuit cards are known, for example the so-called "SMT" (Surface Mounted Technology) or the so-called THR (Through Hole Reflow).

Weiterhin ist es bekannt, hitzeempfindliche Bauteile, beispielsweise Mikroprozessoren, erst nach dem Lötprozess durch eine Steckverbindung elektrisch leitend mit einem Sockel zu verbinden, welcher seinerseits zuvor durch einen solchen Lötprozess auf der Leiterkarte verlötet wurde.It is also known to connect heat-sensitive components, for example microprocessors, to a base in an electrically conductive manner only after the soldering process by means of a plug connection, which in turn was previously soldered to the circuit card by such a soldering process.

Die Anschlusskontakte weniger hitzeempfindlicher Bauteile werden üblicherweise direkt mit Kontakten einer Leiterkarte, z.B. durch eine Lötverbindung, elektrisch leitend verbunden und mechanisch fixiert. Alternativ ist zur Verbindung mit der Leiterkarte auch die sogenannte "Press in"-Technologie bekannt, bei welcher Bauteile ohne Verlötung mit ihren Anschlusskontakten in eine Leiterkartendurchgangskontaktierung gepresst werden, um sie so mechanisch und elektrisch mit dem entsprechenden Durchgangskontakt der Leiterkarte zu verbinden. Dazu weisen die Anschlusskontakte in der Regel eine Öse auf, in deren Bereich sie zu diesem Zweck eine ausreichende Verformbarkeit besitzen.The connection contacts of less heat-sensitive components are usually connected directly to contacts on a printed circuit board, for example by a soldered connection, in an electrically conductive manner and fixed mechanically. Alternatively, the so-called "press in" technology is also known for connecting to the circuit card, in which components are pressed into a circuit card through contact without soldering in order to connect them mechanically and electrically to the corresponding through contact of the circuit card. For this purpose, the connection contacts generally have an eyelet, in the area of which they are sufficiently deformable for this purpose.

Schließlich sind beispielsweise aus den Druckschriften DE 92 03 355 U1 und US 8,105,105 B2 Schneidklemmkontakte bekannt. Die Druckschrift EP 2 862 237 B1 beschreibt deren Einsatz in einem Leiterkartensteckverbinder.Finally, for example, from the publications DE 92 03 355 U1 and US 8,105,105 B2 Insulation displacement contacts known. The pamphlet EP 2 862 237 B1 describes their use in a circuit card connector.

Die Druckschrift US 9,742,081 B1 offenbart einen Einpressplatinenverbinder. Dieser besitzt ein Gehäuse mit einem Steckerende und einem Montageende. Das Gehäuse hat einen Kontakthalter mit mehreren Kontaktkanälen zur Aufnahme von Steckkontakten.The pamphlet US 9,742,081 B1 discloses a press-fit board connector. This has a housing with a plug end and an assembly end. The housing has a contact holder with several contact channels for receiving plug contacts.

Die Druckschrift EP 0 542 164 A2 offenbart einen zweiteiligen elektrischen Kopplungsverbinder zur Verwendung mit Audiokabeln und insbesondere ein Mittel, mit dem isolierte Leiter des Kabels mit Kontaktelementen des Kopplungsverbinders verbunden werden. Erfindungsgemäß umfasst der Verbinder ein Kontaktelementgehäuse, eine zentrale Spannzange und einen becherförmigen Endabschnitt. Eine Anordnung von Kontaktelementen ist in dem Kontaktelementgehäuse gelagert, wobei jedes Kontaktelement eine sich nach hinten erstreckende isolationsdurchdringende Schlitzplatte aufweist, die in die jeweiligen Scheiden eintritt, wenn das Kontaktelementgehäuse und die Spannzange unter axialem Druck zusammengefügt werden, sobald der becherförmige Endabschnitt auf das Kontaktelementgehäuse geschraubt ist. Die Leiter der isolierten Kabelleiter, die zuvor in Drahtführungsschlitzen in der Spannzange verlegt wurden, werden von den isolationsdurchdringenden Schlitzplatten berührt, wodurch die Leiter elektrisch mit den Kontaktelementen verbunden werden.The pamphlet EP 0 542 164 A2 discloses a two-part electrical coupling connector for use with audio cables and, more particularly, a means by which insulated conductors of the cable are connected to contact elements of the coupling connector. According to the invention, the connector comprises a contact element housing, a central collet and a cup-shaped end section. An arrangement of contact elements is mounted in the contact element housing, each contact element having a rearwardly extending insulation-penetrating slotted plate which enters the respective sheaths when the contact element housing and the collet are joined together under axial pressure as soon as the cup-shaped end section is screwed onto the contact element housing . The conductors of the insulated cable conductors, which were previously laid in wire guide slots in the collet, are touched by the insulation-penetrating slotted plates, whereby the conductors are electrically connected to the contact elements.

Die Druckschrift US 8,100,699 B1 zeigt eine Verbinderanordnung, die Folgendes umfasst: Einen elektrischen Verbinder mit einem Gegenende, das eingerichtet ist, um mit einem Gegenstecker verbunden zu werden, und einem Montageende. Der elektrische Verbinder hält verschiedene Kontakte mit Stiften, die sich vom Montageende aus erstrecken. Weiterhin besitzt die Verbinderanordnunug ein Verbinderverlängerungsmodul, das mit dem Montageende gekoppelt ist, und einen Halter aufweist, der Kanäle aufweist und sich zwischen einem Verbinderende und einem Platinenende erstreckt. Das Montageende des elektrischen Verbinders ist an dem Steckerende montiert, wobei das Platinenende auf einer Leiterplatte montiert ist.The pamphlet US 8,100,699 B1 Figure 3 shows a connector assembly comprising: an electrical connector having a mating end adapted to be connected to a mating plug; and an end of assembly. The electrical connector holds various contacts with pins extending from the mounting end. The connector assembly further includes a connector extension module coupled to the mounting end and including a retainer having channels and extending between a connector end and a board end. The mounting end of the electrical connector is mounted on the plug end, with the board end being mounted on a circuit board.

Nachteilig bei diesem Stand der Technik ist, dass sich automatisierte Bestückungsverfahren für Leiterkarten nur für hohe Stückzahlen lohnen. Individuallösungen und Kleinserien sind dagegen teuer und aufwändig und werden derzeit oft mit hohem Aufwand in Handarbeit realisiert.The disadvantage of this prior art is that automated assembly processes for circuit boards are only worthwhile for large quantities. Individual solutions and small series, on the other hand, are expensive and complex and are currently often implemented by hand with great effort.

AufgabenstellungTask

Die Aufgabe der Erfindung besteht darin, eine Vorrichtung anzugeben, welche die Bestückung einer Leiterkarte auch für Kleinserien kostengünstig vereinfacht.The object of the invention is to provide a device which simplifies the assembly of a circuit card in a cost-effective manner, even for small series.

Diese Aufgabe wird durch die Merkmale der unabhängigen Ansprüche gelöst.This object is achieved by the features of the independent claims.

Vorteilhafte Ausgestaltungen der Erfindung sind in den jeweiligen Unteransprüchen angegeben.Advantageous embodiments of the invention are specified in the respective subclaims.

Die Vorrichtung weist einen Kontaktträger mit mehreren darin oder daran gehaltenen elektrisch leitfähige Kontaktelementen auf. Zur Kontaktierung einer elektrischen Leiterkarte besitzt die Vorrichtung ein elektrisches Bauteil mit mehreren Anschlüssen.The device has a contact carrier with a plurality of electrically conductive contact elements held therein or thereon. In order to make contact with an electrical circuit card, the device has an electrical component with several connections.

Der Kontaktträger weist eine Kontaktseite und gegenüberliegend eine Anschlussseite auf. Die Kontaktelemente weisen jeweils folgendes auf:

  • zumindest einen aus der Anschlussseite des Kontaktträgers herausragenden, freistehenden Anschlusskontakt zur elektrischen Kontaktierung der Leiterkarte, sowie
  • gegenüberliegend einen Klemmbereich, der zumindest zwei Stege besitzt, zwischen denen ein Schlitz zur Aufnahme des jeweiligen elektrischen Anschlusses des elektrischen Bauteils oder der jeweiligen Ader des elektrischen Kabels gebildet ist.
The contact carrier has a contact side and, opposite, a connection side. The contact elements each have the following:
  • at least one free-standing connection contact protruding from the connection side of the contact carrier for making electrical contact with the printed circuit board, and
  • opposite a clamping area which has at least two webs, between which a slot for receiving the respective electrical connection of the electrical component or the respective wire of the electrical cable is formed.

Das elektrische Bauteil ist als separates Anschlusselement Ausgeführt. Dieses Anschlusselement ist dazu geeignet, mehrere Adern eines eingeführten elektrischen Kabels als elektrische Anschlüsse zum gleichzeitigen Einfügen in den jeweiligen Schlitz eines der Kontaktelemente zu halten.The electrical component is designed as a separate connection element. This connection element is suitable for holding several wires of an inserted electrical cable as electrical connections for simultaneous insertion into the respective slot of one of the contact elements.

Das Anschlusselement besitzt ein Spleißelement, in welches die Adern des Kabels gemeinsam einführbar sind und durch welches sie separat um lenkbar sind, um am Anschlusselement als elektrische Anschlüsse in einer geeigneten Position zum Einführen in das jeweilige Kontaktelement gewinkelt zu dessen Schlitz gehalten zu werden.The connection element has a splice element into which the wires of the cable can be inserted together and through which they can be deflected separately in order to be held on the connection element as electrical connections in a suitable position for insertion into the respective contact element at an angle to its slot.

Die Erfindung hat den Vorteil, dass die Kontaktierung der Vorrichtung mit der Leiterkarte in großen Stückzahlen automatisiert geschehen kann, z.B. durch ein sogenanntes "SMT"-(Surface Mounted Technologie)-Verfahren und/oder im sogenannten "Press-In"-Verfahren. Die so mit der erfindungsgemäßen Vorrichtung bestückten Leiterkarten sind weiterhin universell einsetzbar. Schließlich sind sie sehr flexibel mit elektrischen Bauteilen und Anschlüssen mit nur geringem, z.B. händischen, Aufwand bestückbar. Die Leiterkarten können so zunächst in hohen Stückzahlen hergestellt und erst durch ihre Bestückung der jeweiligen Aufgabe angepasst werden, d.h. ihre jeweilige Anwendung ist daher äußerst flexibel.The invention has the advantage that the contacting of the device with the circuit board can be done automatically in large numbers, e.g. by a so-called "SMT" (Surface Mounted Technology) method and / or in the so-called "Press-In" method. The circuit cards equipped with the device according to the invention can still be used universally. After all, they can be equipped very flexibly with electrical components and connections with little, e.g. manual, effort. In this way, the circuit boards can initially be produced in large numbers and only adapted to the respective task after they have been equipped, i.e. their respective application is therefore extremely flexible.

In einer bevorzugten Ausgestaltung sind die Kontaktelemente in Kontaktierungskammern des Kontaktträgers angeordnet, wobei die Kontaktierungskammern an der Kontaktseite des Kontaktträgers jeweils eine Kontaktierungsöffnung aufweisen und wobei die Klemmbereiche der Kontaktelemente in Richtung der jeweiligen Kontaktierungsöffnung weisen oder aus ihr herausragen. Vorteilhafterweise ist der jeweilige Klemmbereich des Kontaktelements dadurch mechanisch geschützt und die elektrischen Anschlüsse des jeweiligen Bauteils und/oder die Adern der entsprechenden Kabel sind besonders sicher mit dem Klemmbereich verbunden.In a preferred embodiment, the contact elements are arranged in contacting chambers of the contact carrier, the Contacting chambers each have a contacting opening on the contact side of the contact carrier and wherein the clamping areas of the contact elements point in the direction of the respective contacting opening or protrude from it. The respective clamping area of the contact element is thereby advantageously mechanically protected and the electrical connections of the respective component and / or the cores of the corresponding cables are connected to the clamping area in a particularly secure manner.

Dabei kann der Kontaktträger zwischen seiner Anschlussseite und seinen Kontaktierungskammern je eine Durchgangsöffnung aufweisen, in welcher ein Abschnitt des Anschlusskontakts des Kontaktelements formschlüssig aufgenommen und fixiert ist und aus der der Anschlusskontakt anschlussseitig zur Kontaktierung der Leiterkarte hinausragt. Dies ist besonders vorteilhaft, weil auf diese Weise der Kontaktträger in der Kontaktkammer stabil gehalten ist und der Anschlusskontakt mit elektrischen Kontakten der Leiterkarte elektrisch leitend verbunden werden kann.In this case, the contact carrier can each have a through opening between its connection side and its contacting chambers, in which a section of the connection contact of the contact element forms a positive fit is received and fixed and from which the connection contact protrudes on the connection side for contacting the printed circuit board. This is particularly advantageous because in this way the contact carrier is held stable in the contact chamber and the connection contact can be connected in an electrically conductive manner to electrical contacts on the printed circuit board.

Zur Kontaktierung der Adern des Kabels ist es besonders vorteilhaft, wenn die Stege der Kontaktelemente in Richtung des Schlitzes je eine Schneide besitzen, um damit gegebenenfalls eine Isolierung der Adern zu durchtrennen, um die Adern, bei denen es sich um elektrische Leiter handelt, elektrisch zu kontaktieren. In diesem Fall handelt es sich bei den Kontaktelementen um Schneidklemmen, die dem Fachmann hinreichend bekannt sind.For contacting the wires of the cable, it is particularly advantageous if the webs of the contact elements each have a cutting edge in the direction of the slot in order to cut through an insulation of the wires, if necessary, to electrically connect the wires, which are electrical conductors to contact. In this case, the contact elements are insulation displacement terminals, which are sufficiently known to the person skilled in the art.

Der Anschlusskontakt kann zur Verlötung mit Kontakten der Leiterkarte als Lötkontakt ausgeführt sein. Dies sorgt für ein hohes Maß an mechanischer Stabilität und für eine besonders gut leitfähige elektrische Verbindung.The connection contact can be designed as a soldering contact for soldering to contacts on the printed circuit board. This ensures a high degree of mechanical stability and a particularly good conductive electrical connection.

Alternativ kann der Anschlusskontakt als sogenannter "Press In"-Kontakt ausgeführt sein. Dies hat den Vorteil, dass die entsprechende Anschlusstechnik weniger aufwendig ist.Alternatively, the connection contact can be designed as a so-called "press in" contact. This has the advantage that the corresponding connection technology is less complex.

Die Kontaktelemente bestehen vorteilhafterweise aus Metall, z.B. im Wesentlichen aus Kupfer oder Eisen oder Aluminium oder einer Legierung, die Kupfer oder Eisen oder Aluminium als wesentlichen Bestandteil besitzt.The contact elements are advantageously made of metal, for example essentially of copper or iron or aluminum or an alloy which has copper or iron or aluminum as an essential component.

Ein Verfahren zum Anschluss eines mehradrigen elektrischen Kabels an die Leiterkarte besitzt insbesondere die folgenden Schritte:

  1. a. elektrisches Verbinden der Anschlusskontakte der Kontaktelemente des Kontaktträgers mit entsprechenden Anschlüssen der Leiterkarte durch Verlöten oder Einpressen sowie mechanisches Befestigen des Kontaktträgers an der Leiterkarte;
  2. b. Einführen der Adern des elektrischen Kabels in ein separates Anschlusselement;
  3. c. Trennen und Umlenken der Adern des Kabels durch ein Spleißelement des Anschlusselements;
  4. d. gemeinsames Einführen der Adern in den Schlitz des jeweiligen Kontaktelements und dadurch
  5. e. elektrisches Kontaktieren der Adern des elektrischen Kabels mit den dafür vorgesehenen Anschlüssen der Leiterkarte durch das Kontaktelement.
A method for connecting a multi-core electrical cable to the printed circuit board has the following steps in particular:
  1. a. electrical connection of the connection contacts of the contact elements of the contact carrier with corresponding connections of the circuit card by soldering or pressing in and mechanical fastening of the contact carrier to the circuit card;
  2. b. Inserting the cores of the electrical cable into a separate connection element;
  3. c. Separating and redirecting the wires of the cable by a splice element of the connection element;
  4. d. common introduction of the wires into the slot of the respective contact element and thereby
  5. e. electrical contacting of the wires of the electrical cable with the connections provided for this on the printed circuit board through the contact element.

AusführungsbeispielEmbodiment

Ein Ausführungsbeispiel der Erfindung ist in den Fig. 4a, 4b dargestellt und wird im Folgenden näher erläutert. Figuren 1a-3c zeigen weitere nicht Teil der Erfindung Ausführungsbeispiele. Es zeigen:

Fig. 1a, b
einen Leiterkartensteckverbinder von außen und in einer geschnittenen Darstellung;
Fig. 1c
ein Oberteil des Leiterkartensteckverbinders mit Steckkontakten in einer geschnittenen Darstellung;
Fig. 1d
ein bestückter Kontaktträger in einer ersten nicht Teil der Erfindung Ausführungsform als Unterteil des Leiterkartensteckverbinders;
Fig. 1e
vier Kontaktelemente in einer ersten nicht Teil der Erfindung Ausführungsform ohne den Kontaktträger;
Fig. 2a, b
ein anderes Oberteil des Steckverbinders mit dem Kontaktträger und einer Leiterkarte im getrennten und im zusammengesetzten Zustand;
Fig. 3a
ein mit Kontaktelementen bestückter Kontaktträger in einer zweiten nicht Teil der Erfindung Ausführung;
Fig. 3b
die Kontaktelemente ohne den Kontaktträger mit eingefügten Steckkontakten in einer zweiten nicht Teil der Erfindung Ausführung;
Fig. 3c
den bestückten Kontaktträger mit dem Steckverbinderoberteil;
Fig. 4a
den nach der Erfindung mit Kontaktelementen bestückten Kontaktträger und ein Kabel mit einem separaten Anschlusselement;
Fig. 4b
den nach der Erfindung Kontaktträger mit in die Kontaktelemente eingeführten Adern.
An embodiment of the invention is shown in Figures 4a, 4b and is explained in more detail below. Figures 1a-3c show further exemplary embodiments not part of the invention. Show it:
Fig. 1a, b
a circuit card connector from the outside and in a sectional view;
Figure 1c
an upper part of the circuit card connector with plug contacts in a sectional view;
Fig. 1d
an assembled contact carrier in a first not part of the invention embodiment as a lower part of the circuit card connector;
Fig. 1e
four contact elements in a first not part of the invention embodiment without the contact carrier;
Fig. 2a, b
another upper part of the connector with the contact carrier and a circuit board in the separated and in the assembled state;
Fig. 3a
a contact carrier equipped with contact elements in a second embodiment not part of the invention;
Figure 3b
the contact elements without the contact carrier with inserted plug contacts in a second embodiment not part of the invention;
Figure 3c
the assembled contact carrier with the connector upper part;
Figure 4a
the contact carrier equipped with contact elements according to the invention and a cable with a separate connection element;
Figure 4b
the contact carrier according to the invention with wires inserted into the contact elements.

Die Figuren enthalten teilweise vereinfachte, schematische Darstellungen. Zum Teil werden für gleiche, aber gegebenenfalls nicht identische Elemente identische Bezugszeichen verwendet. Verschiedene Ansichten gleicher Elemente könnten unterschiedlich skaliert sein.The figures contain partially simplified, schematic representations. In some cases, identical reference symbols are used for identical, but possibly not identical elements. Different views of the same elements could be scaled differently.

Die Fig. 1a und 1b zeigen einen Leiterkartensteckverbinder von außen und in einer geschnittenen Darstellung. Der Leiterkartensteckverbinder besitzt ein Steckverbinderoberteil 1 und einen Kontaktträger 2 mit einem Isolierkörper 12. Der Isolierkörper 12 besitzt steckseitig einen nicht näher bezeichneten hohlzylinderförmigen Abschnitt. Daran anschließend ist der Isolierkörper 1 in seinem Verlauf zum Kontaktträger 2 hin massiv ausgeführt, weist aber auch in diesem massiven Bereich Durchgangsöffnungen auf, in denen mehrere Steckkontakte 13 zumindest abschnittsweise angeordnet und befestigt sind. Die Steckkontakte 13 ragen steckseitig mit ihrem Steckbereich 131 in den hohlzylindrischen Abschnitt des Isolierköpers 1 hinein. Mit ihren gewinkelt ausgeführten Anschlussbereichen 134 ragen sie in Kontaktkammern 20 des Kontaktträgers 2 hinein und kontaktieren die Kontaktelemente 23.the Figures 1a and 1b show a printed circuit card connector from the outside and in a sectional view. The printed circuit card connector has a connector upper part 1 and a contact carrier 2 with an insulating body 12. The insulating body 12 has a hollow cylindrical section, not designated in any more detail, on the plug-in side. Subsequently, the insulating body 1 is made solid in its course towards the contact carrier 2, but also has through openings in this solid area, in which a plurality of plug contacts 13 are arranged and fastened at least in sections. The plug-in contacts 13 protrude on the plug-in side with their plug-in area 131 into the hollow-cylindrical section of the insulating body 1. With their angled connection areas 134, they protrude into contact chambers 20 of contact carrier 2 and make contact with contact elements 23.

Die Fig. 1c zeigt das separate Oberteil des Leiterkartensteckverbinders 1 mit den Steckkontakten 13 in einer geschnittenen Darstellung.the Figure 1c shows the separate upper part of the circuit card connector 1 with the plug contacts 13 in a sectional view.

Die Fig. 1d zeigt einen mit Kontaktelementen 23 bestückten Kontaktträger 2 in einer ersten nicht Teil der Erfindung Ausführungsform. Der Kontaktträger 2 kann dabei als Unterteil des Leiterkartensteckverbinders angesehen werden. Umgekehrt betrachtet kann das Oberteil des Steckverbinders 1 der vorangegangenen Darstellung als elektrisches Bauteil angesehen werden, welches über den Kontaktträger 2 mit Lötkontakten, beispielsweise Lötkontakten einer Leiterkarte 4, zu verbinden ist. Der Kontaktträger 2 besitzt vier Kontaktkammern 20, von denen in der Schnittdarstellung nur drei zu sehen sind. In jeder Kontaktkammer 20 sind die Stege 231 eines Kontaktelements 23 angeordnet und weisen in Richtung einer aus Übersichtlichkeitsgründen nicht näher bezeichneten Kontaktierungsöffnung der Kontaktkammer 20. Die Kontaktelemente 23 sind mit ihrem Anschlussbereich 234 durch den Kontaktträger 2 hindurchgeführt und ragen anschlussseitig aus ihm heraus. Dazu durchgreifen sie eine nicht näher bezeichnete Durchgangsöffnung.the Fig. 1d shows a contact carrier 2 equipped with contact elements 23 in a first embodiment not part of the invention. The contact carrier 2 can be viewed as a lower part of the circuit card connector. Conversely, the upper part of the plug connector 1 of the preceding illustration can be viewed as an electrical component which is to be connected to solder contacts, for example solder contacts of a circuit board 4, via the contact carrier 2. The contact carrier 2 has four contact chambers 20, only three of which can be seen in the sectional view. In each contact chamber 20, the webs 231 of a contact element 23 are arranged and point in the direction of a contact opening of the contact chamber 20, which is not designated for clarity reasons. To do this, they reach through a through opening which is not designated in any more detail.

Beispielsweise können die Kontaktelemente 23 dazu mit dem aus Kunststoff bestehenden Kontaktträger 2 umspritzt sein.For example, the contact elements 23 can be encapsulated with the contact carrier 2 made of plastic for this purpose.

Die Fig. 1e zeigt eine entsprechende Anordnung, bestehend aus vier Kontaktelementen 23 in einer ersten nicht Teil der Erfindung Ausführungsform. Anschlussseitig ist deren Anschlussbereich 234 gut sichtbar. Kontaktseitig weist jedes der vier Kontaktelemente 23 zwei Stege 231 auf, zwischen denen jeweils ein Schlitz 230 zur Aufnahme des Anschlussbereichs 134 des jeweiligen Steckkontakts 13 gebildet ist.the Fig. 1e shows a corresponding arrangement consisting of four contact elements 23 in a first embodiment not part of the invention. On the connection side, their connection area 234 is clearly visible. On the contact side, each of the four contact elements 23 has two webs 231, between which a slot 230 for receiving the connection area 134 of the respective plug contact 13 is formed.

Die Fig. 2a und 2b zeigen das Oberteil des Steckverbinders 1 mit dem Kontaktträger 2 und einer Leiterkarte 4 im getrennten und im zusammengesetzten Zustand. In der Fig. 2b sind die Anschlusskontakte 234 der Kontaktelemente 23 durch nicht näher bezeichnete Kontaktöffnungen der Leiterkarte 4 gesteckt und daran verlötet. Die Anschlussbereiche 134 der Steckkontakte 13 sind, wie zuvor beschrieben, in die Kontaktkammern 20 und in die Schlitze 230 der darin befindlichen Kontaktelemente 23 eingeführt und elektrisch leitend damit verbunden.the Figures 2a and 2b show the upper part of the connector 1 with the contact carrier 2 and a circuit card 4 in the separated and assembled state. In the Figure 2b the connection contacts 234 of the contact elements 23 are inserted through unspecified contact openings of the circuit board 4 and soldered thereto. The connection areas 134 of the plug contacts 13 are, as described above, inserted into the contact chambers 20 and into the slots 230 of the contact elements 23 located therein and connected to them in an electrically conductive manner.

Die Fig. 3a zeigt einen mit Kontaktelementen 23' bestückten Kontaktträger 2' in einer zweiten nicht Teil der Erfindung Ausführung. Die Kontaktelemente 23' ragen in dieser Ausführung mit ihren Stegen 231' aus den Kontaktierungsöffnungen der Kontaktkammern 20' heraus. Zusätzlich zu den vier Kontaktelementen 23' der vorangegangenen Darstellung sind hier zusätzlich zwei weitere 'derartige Kontaktelemente 23 vorgesehen, beispielsweise zum Anschluss von weiteren elektrischen Leitern, Kabeladern oder ähnlichem.the Fig. 3a shows a contact carrier 2 'equipped with contact elements 23' in a second embodiment not part of the invention. In this embodiment, the contact elements 23 'protrude with their webs 231' from the contacting openings of the contact chambers 20 '. In addition to the four contact elements 23 'of the preceding illustration, two further' such contact elements 23 are also provided here, for example for connecting further electrical conductors, cable cores or the like.

In der Fig. 3b sind die Kontaktelemente 23' ohne den Kontaktträger 2' dargestellt. Weiterhin sind darin eingefügte Steckkontakte 13' in einer zweiten nicht Teil der Erfindung Ausführung gezeigt, die sich von den zuvor gezeigten Steckkontakten 13 dadurch unterscheiden, dass ihr Anschlussbereich 134' flächig ausgeführt ist.In the Figure 3b the contact elements 23 'are shown without the contact carrier 2'. Furthermore, plug contacts 13 'inserted therein are shown in a second embodiment which is not part of the invention and differs from those shown above Plug contacts 13 differ in that their connection area 134 'is flat.

Die Fig. 3c zeigt den mit Kontaktelementen 23' bestückten Kontaktträger 2' zusammen mit dem damit zu kontaktierenden Steckverbinderoberteil 1.the Figure 3c shows the contact carrier 2 'equipped with contact elements 23' together with the plug connector upper part 1 to be contacted therewith.

Die Fig. 4a zeigt den ach der Erfindung mit Kontaktelementen 23' bestückten Kontaktträger 2' und ein Kabel mit einem separaten Anschlusselement 3. Das Kabel 5 ist in das Anschlusselement 3 eingeführt. Vier Adern des Kabels 5 sind durch ein nicht gezeigtes Spleißelement in verschiedene Richtungen umgelenkt und am anschlussseitigen Ende des Anschlusselements 3 gewinkelt, nämlich in diesem Beispiel rechtwinklig, zur Anschlussrichtung gehalten. Beim Zusammenführen des Anschlusselements 3 und des Kontaktelements 2' befinden sich die Enden der Adern 54 jeweils in der Position der entsprechenden Kontaktelemente 23', die in diesem Fall bevorzugt als Schneidklemmen ausgebildet sein können, um gegebenenfalls die Isolierung jeder Ader zu durchdringen. Bei der Kontaktierung verlaufen die zu kontaktieren Enden der Adern 54 gewinkelt, nämlich in diesem Fall rechtwinklig, zum Schlitz 230' der jeweiligen Kontaktelemente 23'.the Figure 4a shows the contact carrier 2 ′ equipped with contact elements 23 ′ according to the invention and a cable with a separate connection element 3. The cable 5 is inserted into the connection element 3. Four wires of the cable 5 are deflected in different directions by a splice element (not shown) and are held at the connection-side end of the connection element 3, namely in this example at right angles to the connection direction. When the connection element 3 and the contact element 2 'are brought together, the ends of the wires 54 are each in the position of the corresponding contact elements 23', which in this case can preferably be designed as insulation displacement terminals in order to penetrate the insulation of each wire if necessary. When making contact, the ends of the wires 54 to be contacted run at an angle, namely at right angles in this case, to the slot 230 'of the respective contact elements 23'.

Die Fig. 4b zeigt den nach der Erfindung Kontaktträger 2' mit den in die Kontaktelemente 23' eingeführten Adern 54. Dabei ist das Anschlusselement 3 zur Verdeutlichung der Kontaktierung transparent dargestellt.the Figure 4b shows the contact carrier 2 'according to the invention with the wires 54 inserted into the contact elements 23'. The connection element 3 is shown transparently to clarify the contacting.

Auch wenn in den Figuren verschiedene Aspekte oder Merkmale der Erfindung jeweils in Kombination gezeigt sind, ist für den Fachmann - soweit nicht anders angegeben - ersichtlich, dass die dargestellten und diskutierten Kombinationen nicht die einzig möglichen sind. Insbesondere können einander entsprechende Einheiten oder Merkmalskomplexe aus unterschiedlichen Ausführungsbeispielen miteinander ausgetauscht werden.Even if various aspects or features of the invention are each shown in combination in the figures, it is clear to the person skilled in the art - unless stated otherwise - that the combinations shown and discussed are not the only possible ones. In particular, corresponding units or feature complexes from different exemplary embodiments can be exchanged with one another.

BezugszeichenlisteList of reference symbols

11
Oberteil des SteckverbindersUpper part of the connector
1212th
IsolierkörperInsulating body
13, 13'13, 13 '
SteckkontaktePlug contacts
131, 131'131, 131 '
Steckbereich der SteckkontakteMating area of the plug contacts
134, 134'134, 134 '
Anschlussbereich der SteckkontakteConnection area of the plug contacts
2, 2'2, 2 '
KontaktträgerContact carrier
20, 20'20, 20 '
KontaktkammerContact chamber
23, 23'23, 23 '
KontaktelementeContact elements
230, 230'230, 230 '
Schlitzslot
231, 231'231, 231 '
StegeBridges
234234
Anschlusskontakt des KontaktelementsConnection contact of the contact element
33
AnschlusselementConnection element
44th
LeiterkarteCircuit board
55
Kabelcable
5454
Adern des KabelsWires of the cable

Claims (7)

  1. Device, having a contact carrier (2) with a plurality of electrically conductive contact elements (23, 23') held therein or thereon and having an electrical component (1, 3) with a plurality of connections (134, 134'), wherein the device is suitable for electrically contacting a printed circuit board (4) with the electrical connections (134, 134') of the electrical component (1, 3), wherein the contact carrier (2, 2') has a contact side and oppositely a connection side, and wherein the contact elements (23, 23') each have the following:
    - at least one free-standing connecting contact (234) for electrically contacting the printed circuit board (4), which connecting contact protrudes out of the connection side of the contact carrier (2), and
    - oppositely, a clamping region which possesses at least two bars (231), between which a slot (230) is formed for receiving the respective electrical connection (134, 134') of the electrical component (1) and/or the respective conductor (54) of the electrical cable (5), characterized in that
    the electrical component is designed as a separate connecting element (3), which is suitable for holding a plurality of conductors (54) of an inserted electrical cable (5) as electrical connections for simultaneously introducing into the respective slot (230) of one of the contact elements (23, 23'), and
    in that the connecting element (3) possesses a splice element into which the conductors (54) of the cable (5) can be inserted together and through which they can be deflected separately, in order to be held on the connecting element (3) as electrical connections in a suitable position for being inserted into the respective contact element (23, 23'), at an angle to the slot (230) thereof.
  2. Device according to Claim 1, wherein the contact elements (23, 23') are arranged in contacting chambers (20, 20') of the contact carrier (2, 2'), wherein the contacting chambers (20, 20') each have a contact opening at the contact side of the contact carrier (2, 2'), and wherein the clamping regions of the contact elements (23, 23') point in the direction of the respective contact opening or protrude out of it.
  3. Device according to Claim 2, wherein the contact carrier (2, 2') has a respective through-opening as a connection between its connection side and its contacting chambers (20, 20'), in which through-opening a section of the connecting contact (234) of the contact element (23, 23') is received and attached in a form-fitting manner, and out of which through-opening the connecting contact protrudes on the connection side for contacting the printed circuit board (4).
  4. Device according to one of the preceding claims, wherein the bars (231) of the contact elements (23) each possess a cutting edge in the direction of the slot (230), so that the contact elements (23, 23') are insulation displacement terminals.
  5. Device according to one of the preceding claims, wherein the connecting contact is designed as a "press-in" contact to be pressed into the printed circuit board or as a solder contact to be soldered to contacts of the printed circuit board.
  6. Device according to one of Claims 1 to 5, wherein the contact elements (23, 23') are made of metal.
  7. Method for connecting a multi-conductor electrical cable (5) to the printed circuit board (4) by means of the device according to one of the preceding claims, having the following steps:
    a. electrically connecting the connecting contacts (234) of the contact elements (23, 23') of the contact carrier (2) with corresponding connections of the printed circuit board (4) by soldering or press fitting, as well as mechanically attaching the contact carrier (2) to the printed circuit board (4);
    b. inserting the conductors (54) of the electrical cable (5) into a separate connecting element (3);
    c. separating and deflecting the conductors (54) of the cable (5) by way of a splice element of the connecting element (3);
    d. inserting the conductors (54) together into the slot (230) of the respective contact element (23, 23') and thereby
    e. electrically contacting the conductors (54) of the electrical cable (5) with the connections of the printed circuit board (4), which are provided for this purpose, by way of the contact elements (23, 23').
EP18795928.3A 2017-10-20 2018-10-16 Electric contacting device Active EP3698438B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017124594.4A DE102017124594A1 (en) 2017-10-20 2017-10-20 Device for electrical contacting
PCT/DE2018/100853 WO2019076406A1 (en) 2017-10-20 2018-10-16 Electric contacting device

Publications (2)

Publication Number Publication Date
EP3698438A1 EP3698438A1 (en) 2020-08-26
EP3698438B1 true EP3698438B1 (en) 2021-08-18

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US (1) US10985481B2 (en)
EP (1) EP3698438B1 (en)
CN (1) CN111226353A (en)
DE (1) DE102017124594A1 (en)
WO (1) WO2019076406A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017124594A1 (en) * 2017-10-20 2019-04-25 Harting Electric Gmbh & Co. Kg Device for electrical contacting
USD930597S1 (en) * 2019-07-31 2021-09-14 Molex, Llc Connector shroud

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CN111226353A (en) 2020-06-02
EP3698438A1 (en) 2020-08-26
DE102017124594A1 (en) 2019-04-25
US10985481B2 (en) 2021-04-20
WO2019076406A1 (en) 2019-04-25
US20200335891A1 (en) 2020-10-22

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