WO2015086539A1 - Contacting element - Google Patents

Contacting element Download PDF

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Publication number
WO2015086539A1
WO2015086539A1 PCT/EP2014/076928 EP2014076928W WO2015086539A1 WO 2015086539 A1 WO2015086539 A1 WO 2015086539A1 EP 2014076928 W EP2014076928 W EP 2014076928W WO 2015086539 A1 WO2015086539 A1 WO 2015086539A1
Authority
WO
WIPO (PCT)
Prior art keywords
contacting element
contacting
electrical
carrier device
electrically
Prior art date
Application number
PCT/EP2014/076928
Other languages
German (de)
French (fr)
Inventor
Stephan Pauli
Martin Rapp
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to CN201480067654.4A priority Critical patent/CN105814744B/en
Priority to EP14808670.5A priority patent/EP3080871B1/en
Publication of WO2015086539A1 publication Critical patent/WO2015086539A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/53—Fixed connections for rigid printed circuits or like structures connecting to cables except for flat or ribbon cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/63—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to another shape cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/65—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal
    • 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
    • H01R4/02—Soldered or welded connections
    • H01R4/023—Soldered or welded connections between cables or wires and terminals
    • 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
    • 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
    • H01R4/20—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 using a crimping sleeve
    • H01R4/203—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 using a crimping sleeve having an uneven wire-receiving surface to improve the contact

Definitions

  • the invention relates to a contacting element.
  • the invention further relates to a method for electrically contacting a conductor wire with a carrier device for at least one electrical conductor track.
  • a contacting element comprising:
  • At least a second section for electrical contacting and mechanical fixation with a carrier device for at least one electrical conductor track is achieved according to a second aspect with a method for electrically contacting a conductor wire with a carrier device for at least one electrical conductor, comprising the steps:
  • a simple contacting process for the electrical conductor wire is made possible with the contacting element according to the invention, wherein first the contacting element is electrically contacted with the carrier device. In a further process step, the actual electrical contacting process of the lead wire then takes place with the contacting element and thus with the carrier device.
  • a preferred embodiment of the contacting element according to the invention is characterized in that the second section has a brim-shaped configuration and is arranged transversely to the first section. This will be a
  • the contacting element is attached to the carrier device and electrically contacted at least one electrical conductor track.
  • a further preferred embodiment of the contacting element according to the invention is characterized in that the contacting element can be soldered to the carrier device in a soldering process.
  • the contacting element can be soldered to the carrier device in a soldering process.
  • a proven connection technique for connecting the contacting element to the carrier device can be used.
  • a further preferred embodiment of the contacting element according to the invention is characterized in that the contacting element can be soldered to the carrier device by means of a reflow soldering process.
  • the contacting element can be soldered to the carrier device by means of a reflow soldering process.
  • a reflow soldering process it is advantageously achieved that particularly few process steps are required for contacting the contacting element with the printed circuit board.
  • non-reflowable components for example electrolytic capacitors
  • a further preferred development of the contacting element according to the invention provides that the contacting element comprises two half-shells which can be pressed together and with the carrier device.
  • the contacting element comprises two half-shells which can be pressed together and with the carrier device.
  • an alternative embodiment for the contacting element is provided which is electrically and mechanically contactable in a purely mechanical manner by means of a riveting or pressing operation with the carrier device.
  • a further preferred embodiment of the contacting element according to the invention is characterized in that the first portion of the contacting element in the contacted state with the carrier device at least partially has a non-uniform diameter. In this way, a strain relief for the carrier device is realized, which makes it possible to keep away mechanical forces from the carrier device or from the solder joint.
  • the contacting element has at least one slot on the first section. This makes it possible that a structure of the first section is weakened, so that in a subsequent pressing operation, the contacting element is pressed with little effort with the lead wire and thus can be electrically contacted.
  • a further advantageous development of the contacting element according to the invention provides that at least one claw element is arranged on an inner side of the first section. By means of the claw element, an insulation of the conductor wire is torn open, whereby a stripping step including the required tool can be advantageously eliminated.
  • FIG. 1 shows a first embodiment of the contacting element according to the invention
  • FIG. two views of a further embodiment of the contacting element according to the invention a perspective view of an embodiment of the contacting element in the installed state in a circuit board; a front view of an embodiment of the contacting element according to the invention in the circuit board; a view of the contacting element according to the invention after crimping with a conductor wire; and a basic sequence of an embodiment of the method according to the invention.
  • An "electrical conductor wire” in the sense of the present invention comprises all elongated (ie thin in relation to its length) insulated and non-insulated electrical wires or cables, such as a copper enameled wire, a lead wire of a device (eg an electrolytic capacitor), a wire with a wire mesh, etc.
  • the contacting element 10 is electrically conductive, preferably metallic.
  • the contacting element 10 has a first sleeve-shaped portion 10a and a second portion 10b.
  • the first portion 10a is provided to receive and mechanically and electrically connect an electrical lead wire (not shown) to the contacting member 10 (e.g., by means of a crimping connection).
  • the second section 10b is intended to contact the contacting element 10 electrically and mechanically with a printed circuit board (not shown).
  • the first portion 10b is formed as a kind of "hat brim".
  • a contacting element 10 in the form of a crimping sleeve which consists of an electrically conductive material, and which has a brim at the lower end.
  • the brim-shaped second portion 10b has a plurality of separate sections in the form of tabs (not shown).
  • FIG. 2 shows an upper view of a further perspective view of a further embodiment of the contacting element 10 according to the invention.
  • a plurality of axially extending punches or inserts 11 are provided, which are provided so that the structure of the first section 10a is weakened , so that the first portion 10a can be crimped by means of a crimping tool with a lead wire (not shown) with relatively little effort.
  • FIG. 2 shows a top view of the contacting element 10. It can be seen that the contacting element 10 has a plurality of claw elements 12 on its inner surface. These have the purpose in the Crimping the conductor wire to rupture an insulating material of the conductor wire, thereby rendering a separate stripping step obsolete.
  • FIG. 3 shows a further perspective view of the contacting element 10 in an electrical circuit board 40 (not shown). It can be seen a conductor 41, which is electrically connected to a solder pad 42, and to which the contacting element 10 is electrically contacted. In this case, the contacting element 10 is placed from above onto the printed circuit board 40 and can thus be soldered from above.
  • FIG. 4 shows a front view of an electrical contacting element 10 inserted into the printed circuit board 40 from below.
  • the contacting element 10 is also initially electrically and mechanically connected to the printed circuit board 40, for example by a soldering process. After completion of the soldering process, the lead wire 20 is inserted through the contacting element 10 or
  • a suitable, preferably automated Krimprea creates a kind of partial thickening in the first portion 10 a of the contacting element 10, which allows a strain relief, by means of mechanical forces from the solder joint on the circuit board 40 can thereby be kept fern in that a fixation on both sides of the contacting element
  • the lead wire 20 below or above the circuit board 40 have a bend, whereby a kind of spring is formed, by means of which mechanical forces on the circuit board 40 and the solder joint can be at least attenuated.
  • the soldering process takes place in the form of a reflow soldering process in which other SMD components (English, surface mounted device, not shown) are contacted mechanically and electrically on the printed circuit board 40.
  • SMD components English, surface mounted device, not shown
  • the entire contacting method of the conductor wire 20 with the circuit board 40 can be limited to a two-stage process, which consists in first soldering the contacting element 10 to the circuit board 40 and then crimping the conductor wire 20 with the contacting element 10.
  • the method can be performed when contacting leads of a motor with a circuit board 40 of an engine electronics.
  • the contacting element 10 can also be electrically and mechanically connected to the printed circuit board 40 by means of a riveting or pressing process.
  • the contacting element 10 is formed from two half-shells (not shown), which are guided from different sides of the circuit board 40 and pressed together and with the circuit board 40.
  • FIG. 6 shows a basic sequence of an embodiment of the method according to the invention for electrically contacting a conductor wire with a carrier device for at least one electrical conductor track.
  • a first step S1 an electrical and mechanical contacting of a sleeve-shaped contacting element with the carrier device is carried out.
  • a second step S2 the lead wire is inserted or carried into the contacting element 10.
  • connection concept according to the invention A number of advantageous effects are associated with the connection concept according to the invention. For example, a reduction and simplification of process steps in the production can be achieved, because compared to her- conventional methods no welding and stripping steps is required.
  • conventional weldable intermediate carrier for example in the form of the printed circuit boards receiving punched gratings omitted. As a result, this means a gain in space and a time and cost-saving electrical connection technology.

Landscapes

  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The invention relates to a contacting element (10) comprising a sleeve-shaped first section (10a) for establishing electric contact with an electric conducting wire (20), and at least one second section (10b) for establishing electric contact with and for mechanically fixing to the support device (40) for at least one electric conductor path (41).

Description

Beschreibung Titel  Description title
Kontaktierunqselement  Kontaktierunqselement
Die Erfindung betrifft ein Kontaktierungselement. Die Erfindung betrifft weiterhin ein Verfahren zum elektrischen Kontaktieren eines Leitungsdrahts mit einer Trägereinrichtung für wenigstens eine elektrische Leiterbahn. The invention relates to a contacting element. The invention further relates to a method for electrically contacting a conductor wire with a carrier device for at least one electrical conductor track.
Stand der Technik State of the art
Elektrische Verbindungen von zwei oder mehreren Komponenten werden üblicherweise mittels Krimpen, Löten, Schweißen, usw. durchgeführt. Im Falle einer elektrischen Verbindung zwischen einer Elektronik und einem Elektromotor ist es bekannt, dass die Phasen des Motors entweder über Löten, Schweißen, Klemmschneiden elektrisch mit der Elektronik verbunden werden. Electrical connections of two or more components are usually performed by crimping, soldering, welding, etc. In the case of an electrical connection between an electronics and an electric motor, it is known that the phases of the motor are electrically connected to the electronics either via soldering, welding, clamping cutting.
Bekannt ist ferner die elektrische Verbindungstechnik Krimpen, die unter anderem dazu verwendet wird, um Kabel elektrisch mit Steckkontakten zu verbinden. Also known is the electrical connection technology crimping, which is used, inter alia, to electrically connect cables with plug contacts.
Offenbarung der Erfindung Disclosure of the invention
Es ist eine Aufgabe der vorliegenden Erfindung, eine vereinfachte elektrische Kontaktierungsmöglichkeit zwischen elektrischen Komponenten bereitzustellen. It is an object of the present invention to provide a simplified electrical contacting capability between electrical components.
Die Aufgabe wird gelöst mit einem Kontaktierungselement, aufweisend: The object is achieved with a contacting element, comprising:
einen hülsenförmigen ersten Abschnitt zur elektrischen Kontaktierung mit einem elektrischen Leitungsdraht; und  a sleeve-shaped first portion for electrical contact with an electrical conductor wire; and
- wenigstens einen zweiten Abschnitt zur elektrischen Kontaktierung und mechanischen Fixierung mit einer Trägereinrichtung für wenigstens eine elektrische Leiterbahn. Die Aufgabe wird gemäß einem zweiten Aspekt gelöst mit einem Verfahren zum elektrischen Kontaktieren eines Leitungsdrahtes mit einer Trägereinrichtung für wenigstens eine elektrische Leiterbahn, aufweisend die Schritte: - At least a second section for electrical contacting and mechanical fixation with a carrier device for at least one electrical conductor track. The object is achieved according to a second aspect with a method for electrically contacting a conductor wire with a carrier device for at least one electrical conductor, comprising the steps:
Elektrisches und mechanisches Kontaktieren eines hülsenförmigen Kontaktie- rungselements mit der Trägereinrichtung;  Electrical and mechanical contacting of a sleeve-shaped contacting element with the carrier device;
Einführen des Leitungsdrahtes in das Kontaktierungselement; und  Inserting the lead wire into the contacting element; and
Elektrisches Kontaktieren des Leitungsdrahts mit dem Kontaktierungselement.  Electrically contacting the conductor wire with the contacting element.
Vorteilhaft wird mit dem erfindungsgemäßen Kontaktierungselement ein einfacher Kontaktierungsvorgang für den elektrischen Leitungsdraht ermöglicht, wobei zunächst das Kontaktierungselement mit der Trägereinrichtung elektrisch kontaktiert wird. In einem weiteren Prozessschritt erfolgt dann der eigentliche elektrische Kontaktierungsvorgang des Leitungsdrahtes mit dem Kontaktierungselement und damit mit der Trägereinrichtung. Advantageously, a simple contacting process for the electrical conductor wire is made possible with the contacting element according to the invention, wherein first the contacting element is electrically contacted with the carrier device. In a further process step, the actual electrical contacting process of the lead wire then takes place with the contacting element and thus with the carrier device.
Vorteilhafte Weiterbildungen der des erfindungsgemäßen Kontaktierungsele- ments und des erfindungsgemäßen Verfahrens sind Gegenstand von Unteransprüchen Advantageous developments of the contacting element according to the invention and of the method according to the invention are the subject of subclaims
Eine bevorzugte Ausführungsform des erfindungsgemäßen Kontaktierungsele- ments zeichnet sich dadurch aus, dass der zweite Abschnitt krempenförmig ausgebildet ist und quer zum ersten Abschnitt angeordnet ist. Dadurch wird eine A preferred embodiment of the contacting element according to the invention is characterized in that the second section has a brim-shaped configuration and is arranged transversely to the first section. This will be a
Form des Kontaktierungselements geschaffen, mittels der es besonders einfach ist, das Kontaktierungselement auf unterschiedliche Weise mit der Trägereinrichtung mechanisch und elektrisch zu verbinden. Created form of the contacting element, by means of which it is particularly easy to mechanically and electrically connect the contacting element in different ways with the support means.
Das Kontaktierungselement ist an der Trägereinrichtung angebracht und wenigstens eine elektrische Leiterbahn elektrisch kontaktiert. So kann kostengünstig eine elektrische Verbindung zwischen Leitungsdrähten und Leitungsbahnen hergestellt werden. The contacting element is attached to the carrier device and electrically contacted at least one electrical conductor track. Thus, an electrical connection between the wires and the conductor paths can be produced inexpensively.
Eine weitere bevorzugte Ausführungsform des erfindungsgemäßen Kontaktierungselements ist dadurch gekennzeichnet, dass das Kontaktierungselement mit der Trägereinrichtung in einem Lötprozess verlötbar ist. Auf diese Weise kann eine bewährte Verbindungstechnik zum Verbinden des Kontaktierungsele- ments mit der Trägereinrichtung verwendet werden. A further preferred embodiment of the contacting element according to the invention is characterized in that the contacting element can be soldered to the carrier device in a soldering process. In this way For example, a proven connection technique for connecting the contacting element to the carrier device can be used.
Eine weitere bevorzugte Ausführungsform des erfindungsgemäßen Kontaktie- rungselements zeichnet sich dadurch aus, dass das Kontaktierungselement mittels eines Ref low- Lötprozesses mit der Trägereinrichtung verlötbar ist. Dadurch wird vorteilhaft erreicht, dass besonders wenige Prozessschritte für das Kontaktieren des Kontaktierungselements mit der Leiterplatte erforderlich sind. Zudem können auf diese Weise mittels des Kontaktierungselements auch nicht Reflow- lötfähige Bauelemente (z.B. Elektrolyt-Kondensatoren) mit der Trägereinrichtung elektrisch kontaktiert werden. A further preferred embodiment of the contacting element according to the invention is characterized in that the contacting element can be soldered to the carrier device by means of a reflow soldering process. As a result, it is advantageously achieved that particularly few process steps are required for contacting the contacting element with the printed circuit board. In addition, non-reflowable components (for example electrolytic capacitors) can also be electrically contacted with the carrier device by means of the contacting element in this way.
Eine weitere bevorzugte Weiterbildung des erfindungsgemäßen Kontaktierungselements sieht vor, dass das Kontaktierungselement zwei Halbschalen umfasst, die miteinander und mit der Trägereinrichtung verpressbar sind. Auf diese Weise wird eine alternative Ausführungsform für das Kontaktierungselement bereitgestellt, die auf rein mechanische Weise mittels eines Niet- bzw. Pressvorgangs mit der Trägereinrichtung elektrisch und mechanisch kontaktierbar ist. A further preferred development of the contacting element according to the invention provides that the contacting element comprises two half-shells which can be pressed together and with the carrier device. In this way, an alternative embodiment for the contacting element is provided which is electrically and mechanically contactable in a purely mechanical manner by means of a riveting or pressing operation with the carrier device.
Eine weitere bevorzugte Ausführungsform des erfindungsgemäßen Kontaktierungselements zeichnet sich dadurch aus, dass der erste Abschnitt des Kontaktierungselements im kontaktierten Zustand mit der Trägereinrichtung wenigstens abschnittsweise einen ungleichmäßigen Durchmesser aufweist. Auf diese Weise wird eine Zugentlastung für die Trägereinrichtung realisiert, die es ermöglicht, mechanische Kräfte von der Trägereinrichtung bzw. von der Lötstelle fernzuhalten. A further preferred embodiment of the contacting element according to the invention is characterized in that the first portion of the contacting element in the contacted state with the carrier device at least partially has a non-uniform diameter. In this way, a strain relief for the carrier device is realized, which makes it possible to keep away mechanical forces from the carrier device or from the solder joint.
Gemäß einer weiteren bevorzugten Ausführungsform des erfindungsgemäßen Kontaktierungselements ist vorgesehen, dass das Kontaktierungselement am ersten Abschnitt wenigstens eine Einschlitzung aufweist. Dadurch ist ermöglicht, dass eine Struktur des ersten Abschnitts geschwächt ist, sodass in einem nachfolgenden Pressvorgang das Kontaktierungselement unter geringem Kraftaufwand mit dem Leitungsdraht verpresst und damit elektrisch kontaktiert werden kann. Eine weitere vorteilhafte Weiterbildung des erfindungsgemäßen Kontaktierungs- elements sieht vor, dass an einer Innenseite des ersten Abschnitts wenigstens ein Krallenelement angeordnet ist. Mittels des Krallenelements kann eine Isolierung des Leitungsdrahts aufgerissen wird, wodurch ein Abisolierungsschritt samt dazu erforderlichem Werkzeug vorteilhaft entfallen kann. According to a further preferred embodiment of the contacting element according to the invention it is provided that the contacting element has at least one slot on the first section. This makes it possible that a structure of the first section is weakened, so that in a subsequent pressing operation, the contacting element is pressed with little effort with the lead wire and thus can be electrically contacted. A further advantageous development of the contacting element according to the invention provides that at least one claw element is arranged on an inner side of the first section. By means of the claw element, an insulation of the conductor wire is torn open, whereby a stripping step including the required tool can be advantageously eliminated.
Die Erfindung wird im Folgenden mit weiteren Merkmalen und Vorteilen anhand von mehreren Figuren detailliert beschrieben. Dabei bilden alle beschriebenen Merkmale, unabhängig von ihrer Darstellung in der Beschreibung und in den Fi- guren sowie unabhängig von ihrer Rückbeziehung in den Patentansprüchen denThe invention will be described in detail below with further features and advantages with reference to several figures. In this case, all the features described, regardless of their representation in the description and in the figures as well as independently of their dependency in the patent claims form the
Gegenstand der Erfindung. Gleiche bzw. funktionsgleiche Elemente sind mit gleichen Bezugszeichen bezeichnet. Subject of the invention. Identical or functionally identical elements are designated by the same reference numerals.
In den Figuren zeigt: In the figures shows:
Fig. 1 eine erste Ausführungsform des erfindungsgemäßen Kontaktie- rungselements; zwei Ansichten einer weiteren Ausführungsform des erfindungsgemäßen Kontaktierungselements; eine perspektivische Ansicht einer Ausführungsform des Kontaktierungselements in eingebautem Zustand in einer Leiterplatte; eine Vorderansicht einer Ausführungsform des erfindungsgemäßen Kontaktierungselements in der Leiterplatte; eine Ansicht des erfindungsgemäßen Kontaktierungselements nach Verkrimpen mit einem Leitungsdraht; und einen prinzipiellen Ablauf einer Ausführungsform des erfindungsgemäßen Verfahrens. FIG. 1 shows a first embodiment of the contacting element according to the invention; FIG. two views of a further embodiment of the contacting element according to the invention; a perspective view of an embodiment of the contacting element in the installed state in a circuit board; a front view of an embodiment of the contacting element according to the invention in the circuit board; a view of the contacting element according to the invention after crimping with a conductor wire; and a basic sequence of an embodiment of the method according to the invention.
Beschreibung von Ausführungsformen Ein„elektrischer Leitungsdraht" im Sinne der vorliegenden Erfindung umfasst sämtliche längliche (d.h. in Relation zu ihrer Länge dünn ausgebildeten) isolierte und nicht-isolierte elektrische Drähte bzw. Kabel, wie zum Beispiel einen Kupferlackdraht, einen Anschlussdraht eines Bauelements (z.B. eines Elektrolytkondensators), eine Litze mit einem Drahtgeflecht, usw. Description of embodiments An "electrical conductor wire" in the sense of the present invention comprises all elongated (ie thin in relation to its length) insulated and non-insulated electrical wires or cables, such as a copper enameled wire, a lead wire of a device (eg an electrolytic capacitor), a wire with a wire mesh, etc.
Fig. 1 zeigt eine perspektivische Ansicht einer ersten Ausführungsform des erfindungsgemäßen Kontaktierungselements 10. Das Kontaktierungselement 10 ist elektrisch leitfähig, vorzugweise metallisch ausgebildet. Das Kontaktierungselement 10 weist einen ersten hülsenförmigen Abschnitt 10a und einen zweiten Abschnitt 10b auf. Dabei ist der erste Abschnitt 10a dafür vorgesehen, einen elektrischen Leitungsdraht (nicht dargestellt) aufzunehmen und mechanisch und elektrisch mit dem Kontaktierungselement 10 zu verbinden (z.B. mittels einer Krimp- Verbindung). Der zweite Abschnitt 10b ist dafür vorgesehen, das Kontaktierungselement 10 elektrisch und mechanisch mit einer Leiterplatte (nicht dargestellt) zu kontaktieren. In der Ausführungsform des Kontaktierungselements von Fig. 1 ist der erste Abschnitt 10b als eine Art„Hutkrempe" ausgebildet. 1 shows a perspective view of a first embodiment of the contacting element 10 according to the invention. The contacting element 10 is electrically conductive, preferably metallic. The contacting element 10 has a first sleeve-shaped portion 10a and a second portion 10b. Here, the first portion 10a is provided to receive and mechanically and electrically connect an electrical lead wire (not shown) to the contacting member 10 (e.g., by means of a crimping connection). The second section 10b is intended to contact the contacting element 10 electrically and mechanically with a printed circuit board (not shown). In the embodiment of the contacting element of Fig. 1, the first portion 10b is formed as a kind of "hat brim".
Es ergibt sich auf diese Art und Weise also ein Kontaktierungselement 10 in Form einer eine Krimphülse, die aus einem elektrisch leitfähigen Material besteht, und die am unteren Ende eine Krempe aufweist. Es sind jedoch auch andere Formen denkbar, beispielsweise ist es denkbar, dass der krempenförmige zweite Abschnitt 10b mehrere separate Abschnitte in Form von Laschen aufweist (nicht dargestellt). This results in this way, therefore, a contacting element 10 in the form of a crimping sleeve, which consists of an electrically conductive material, and which has a brim at the lower end. However, other shapes are conceivable, for example, it is conceivable that the brim-shaped second portion 10b has a plurality of separate sections in the form of tabs (not shown).
Fig. 2 zeigt in einer oberen Darstellung eine weitere perspektivische Ansicht einer weiteren Ausführungsform des erfindungsgemäßen Kontaktierungselements 10. Man erkennt im ersten Abschnitt 10a mehrere axial verlaufende Einstanzungen bzw. Einschiitzungen 1 1 , die dafür vorgesehen sind, dass die Struktur des ersten Abschnitts 10a geschwächt ist, so dass mit relativ geringem Kraftaufwand der erste Abschnitt 10a mittels eines Krimpwerkzeugs mit einem Leitungsdraht (nicht dargestellt) gekrimpt werden kann. 2 shows an upper view of a further perspective view of a further embodiment of the contacting element 10 according to the invention. In the first section 10a, a plurality of axially extending punches or inserts 11 are provided, which are provided so that the structure of the first section 10a is weakened , so that the first portion 10a can be crimped by means of a crimping tool with a lead wire (not shown) with relatively little effort.
In der unteren Darstellung von Fig. 2 sieht man eine Draufsicht auf das Kontaktierungselement 10. Man erkennt, dass das Kontaktierungselement 10 an seiner Innenfläche mehrere Krallenelemente 12 aufweist. Diese haben den Zweck, beim Verkrimpen des Leitungsdrahts ein Isoliermaterial des Leitungsdrahts aufzureißen bzw. aufzubrechen und dadurch einen separaten Abisolierungsschritt obsolet zu machen. Fig. 3 zeigt eine weitere perspektivische Ansicht des Kontaktierungselements 10 in einer elektrischen Leiterplatte 40 (nicht dargestellt). Man erkennt eine Leiterbahn 41 , die elektrisch leitend mit einem Lötpad 42 verbunden ist, und an die das Kontaktierungselement 10 elektrisch kontaktiert wird. In diesem Fall wird das Kontaktierungselement 10 von oben auf die Leiterplatte 40 aufgesetzt und kann somit von oben verlötet werden. 2 shows a top view of the contacting element 10. It can be seen that the contacting element 10 has a plurality of claw elements 12 on its inner surface. These have the purpose in the Crimping the conductor wire to rupture an insulating material of the conductor wire, thereby rendering a separate stripping step obsolete. FIG. 3 shows a further perspective view of the contacting element 10 in an electrical circuit board 40 (not shown). It can be seen a conductor 41, which is electrically connected to a solder pad 42, and to which the contacting element 10 is electrically contacted. In this case, the contacting element 10 is placed from above onto the printed circuit board 40 and can thus be soldered from above.
Fig. 4 zeigt in einer Vorderansicht eines in die Leiterplatte 40 von unten eingefügten elektrischen Kontaktierungselements 10. Das Kontaktierungselement 10 wird auch hier zunächst elektrisch und mechanisch mit der Leiterplatte 40 verbunden, beispielsweise durch einen Lötprozess. Nach Abschluss des Lötprozesses wird der Leitungsdraht 20 durch das Kontaktierungselement 10 eingeführt bzw. FIG. 4 shows a front view of an electrical contacting element 10 inserted into the printed circuit board 40 from below. The contacting element 10 is also initially electrically and mechanically connected to the printed circuit board 40, for example by a soldering process. After completion of the soldering process, the lead wire 20 is inserted through the contacting element 10 or
hindurchgesteckt und anschließend mit dem Kontaktierungselement 10 verkrimpt, wodurch ein elektrischer Kontakt mit einer Leiterbahn der Leiterplatte 40 zustandekommt. inserted therethrough and then crimped with the contacting element 10, whereby an electrical contact with a conductor track of the circuit board 40 comes about.
In Fig. 5 ist erkennbar, dass durch einen geeigneten, vorzugsweise automatisierten Krimpprozess entsteht eine Art partielle Verdickung im ersten Abschnitt 10a des Kontaktierungselements 10, die eine Zugentlastung ermöglicht, mittels der mechanische Kräfte von der Lötstelle auf der Leiterplatte 40 dadurch ferngehal- ten werden können, dass eine beidseitige Fixierung des KontaktierungselementsIn Fig. 5 it can be seen that by a suitable, preferably automated Krimpprozess creates a kind of partial thickening in the first portion 10 a of the contacting element 10, which allows a strain relief, by means of mechanical forces from the solder joint on the circuit board 40 can thereby be kept fern in that a fixation on both sides of the contacting element
10 in der Leiterplatte 40, nämlich mittels der Verdickung und mittels des zweiten Abschnitts 10b realisiert wird. 10 in the circuit board 40, namely by means of the thickening and by means of the second portion 10b is realized.
Vorzugsweise kann der Leitungsdraht 20 unterhalb oder oberhalb der Leiterplatte 40 eine Biegung aufweisen, wodurch eine Art Feder gebildet wird, mittels der mechanische Kräfte auf die Leiterplatte 40 bzw. auf die Lötstelle wenigstens gedämpft werden können. Preferably, the lead wire 20 below or above the circuit board 40 have a bend, whereby a kind of spring is formed, by means of which mechanical forces on the circuit board 40 and the solder joint can be at least attenuated.
Vorzugsweise erfolgt der Lötprozess in Form eines Reflow-Lötprozesses, bei dem auch andere SMD-Bauelemente (engl, surface mounted device, nicht dargestellt) auf der Leiterplatte 40 mechanisch und elektrisch kontaktiert werden. Auf diese Weise kann das gesamte Kontaktierungsverfahren des Leitungsdrahts 20 mit der Leiterplatte 40 auf einen zweistufigen Prozess beschränkt werden, der darin besteht, dass zunächst das Kontaktierungselement 10 mit der Leiterplatte 40 verlötet wird und danach der Leitungsdraht 20 mit dem Kontaktierungselement 10 verkrimpt wird. Preferably, the soldering process takes place in the form of a reflow soldering process in which other SMD components (English, surface mounted device, not shown) are contacted mechanically and electrically on the printed circuit board 40. In this way, the entire contacting method of the conductor wire 20 with the circuit board 40 can be limited to a two-stage process, which consists in first soldering the contacting element 10 to the circuit board 40 and then crimping the conductor wire 20 with the contacting element 10.
Im Ergebnis ist somit eine elektrisch leitende Verbindung zwischen dem Leitungsdraht 20 und der Leiterplatte 40 auf einfache Weise realisierbar. Vorzugweise kann das Verfahren beim Kontaktieren von Anschlussdrähten eines Motors mit einer Leiterplatte 40 einer Motorelektronik durchgeführt werden. As a result, thus an electrically conductive connection between the lead wire 20 and the circuit board 40 can be realized in a simple manner. Preferably, the method can be performed when contacting leads of a motor with a circuit board 40 of an engine electronics.
Es sei erwähnt, dass das Kontaktierungselement 10 auch mittels eines Niet- bzw. Pressvorgangs mit der Leiterplatte 40 elektrisch und mechanisch verbunden werden kann. In diesem Fall ist das Kontaktierungselement 10 aus zwei Halbschalen ausgebildet (nicht dargestellt), die von unterschiedlichen Seiten auf die Leiterplatte 40 geführt und miteinander und mit der Leiterplatte 40 verpresst werden. It should be noted that the contacting element 10 can also be electrically and mechanically connected to the printed circuit board 40 by means of a riveting or pressing process. In this case, the contacting element 10 is formed from two half-shells (not shown), which are guided from different sides of the circuit board 40 and pressed together and with the circuit board 40.
In Fig. 6 ist ein prinzipieller Ablauf einer Ausführungsform des erfindungsgemäßen Verfahrens zum elektrischen Kontaktieren eines Leitungsdrahts mit einer Trägereinrichtung für wenigstens eine elektrische Leiterbahn dargestellt. FIG. 6 shows a basic sequence of an embodiment of the method according to the invention for electrically contacting a conductor wire with a carrier device for at least one electrical conductor track.
In einem ersten Schritt S1 wird ein elektrisches und mechanisches Kontaktieren eines hülsenförmigen Kontaktierungselements mit der Trägereinrichtung durchgeführt. In a first step S1, an electrical and mechanical contacting of a sleeve-shaped contacting element with the carrier device is carried out.
In einem zweiten Schritt S2 wird der Leitungsdraht in das Kontaktierungselement 10 eingeführt bzw. durchgeführt. In a second step S2, the lead wire is inserted or carried into the contacting element 10.
Schließlich wird in einem dritten Schritt S3 ein elektrisches Kontaktieren des Leitungsdrahtes mit dem Kontaktierungselement 10 durchgeführt. Finally, in a third step S3, an electrical contacting of the conductor wire with the contacting element 10 is performed.
Mit dem erfindungsgemäßen Verbindungskonzept sind eine Reihe vorteilhafter Effekte verbunden. Beispielsweise kann eine Reduzierung und Vereinfachung von Prozessschritten in der Fertigung erreicht werden, weil im Vergleich zu her- kömmlichen Verfahren keinerlei Schweiß- und Abisolierungsschritte erforderlich ist. Zudem können herkömmliche schweißfähige Zwischenträger, z.B. in Form von die Leiterplatten aufnehmenden Stanzgittern entfallen. Im Ergebnis bedeutet dies einen Gewinn an Bauraum und eine zeit- und kostensparende elektrische Verbindungstechnik. A number of advantageous effects are associated with the connection concept according to the invention. For example, a reduction and simplification of process steps in the production can be achieved, because compared to her- conventional methods no welding and stripping steps is required. In addition, conventional weldable intermediate carrier, for example in the form of the printed circuit boards receiving punched gratings omitted. As a result, this means a gain in space and a time and cost-saving electrical connection technology.
Obwohl die vorliegende Erfindung anhand von konkreten Ausführungsformen beschrieben worden ist, ist sie keineswegs darauf beschränkt. Der Fachmann wird somit die beschriebenen Merkmale abwandeln oder miteinander kombinie- ren können, ohne vom Kern der Erfindung abzuweichen. Although the present invention has been described in terms of specific embodiments, it is by no means limited thereto. The person skilled in the art will thus be able to modify or combine the features described without departing from the essence of the invention.

Claims

Kontaktierungselement (10), aufweisend: Contacting element (10), comprising:
einen hülsenförmigen ersten Abschnitt (10a) zur elektrischen Kontaktie- rung zwischen ersten Abschnitt (10a) und einem elektrischen Leitungsdraht (20); und  a sleeve-shaped first section (10a) for electrical contacting between the first section (10a) and an electrical conductor wire (20); and
- wenigstens einen zweiten Abschnitt (1 Ob) zur elektrischen Kontaktierung und mechanischen Fixierung an einer Trägereinrichtung (40) für wenigstens eine elektrische Leiterbahn (41 ).  - At least a second portion (1 Ob) for electrical contacting and mechanical fixation to a support means (40) for at least one electrical conductor track (41).
Kontaktierungselement (10) nach Anspruch 1 , dadurch gekennzeichnet, dass der zweite Abschnitt (10b) krempenförmig ausgebildet ist. Contacting element (10) according to claim 1, characterized in that the second portion (10b) is formed brim-shaped.
Kontaktierungselement (10) nach Anspruch 1 oder 2 nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Kontaktierungselement (10) an der Trägereinrichtung (40) angebracht ist und wenigstens eine elektrische Leiterbahn (41 ) elektrisch kontaktiert. Contacting element (10) according to claim 1 or 2 according to one of the preceding claims, characterized in that the contacting element (10) on the support means (40) is mounted and at least one electrical conductor track (41) electrically contacted.
Kontaktierungselement (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Kontaktierungselement (10) mit der Trägereinrichtung (40) in einem Lötprozess verlötbar ist. Contacting element (10) according to one of the preceding claims, characterized in that the contacting element (10) can be soldered to the carrier device (40) in a soldering process.
Kontaktierungselement (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Lötprozess ein Reflow-Lötprozess ist. Contacting element (10) according to one of the preceding claims, characterized in that the soldering process is a reflow soldering process.
Kontaktierungselement (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Kontaktierungselement (10) zwei Halbschalen umfasst, die miteinander und mit der Trägereinrichtung (40) verpressbar sind. 7. Kontaktierungselement (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der erste Abschnitt (10a) des Kontaktie- rungselements (10) im kontaktierten Zustand mit der Trägereinrichtung (40) wenigstens abschnittsweise einen ungleichmäßigen Durchmesser aufweist. Contacting element (10) according to one of the preceding claims, characterized in that the contacting element (10) comprises two half-shells which can be pressed together and with the carrier device (40). 7. contacting element (10) according to any one of the preceding claims, characterized in that the first portion (10 a) of the contacting The contact element (10) in the contacted state with the support means (40) at least partially has a non-uniform diameter.
8. Kontaktierungselement (10) nach einem der vorhergehenden Ansprüche, 8. contacting element (10) according to one of the preceding claims,
dadurch gekennzeichnet, dass das Kontaktierungselement (10) am ersten Abschnitt (10a) wenigstens eine Einschlitzung (1 1 ) aufweist.  characterized in that the contacting element (10) has at least one slot (1 1) on the first section (10a).
9. Kontaktierungselement (10) nach einem der vorhergehenden Ansprüche,  9. contacting element (10) according to one of the preceding claims,
dadurch gekennzeichnet, dass an einer Innenseite des ersten Abschnitts  characterized in that on an inner side of the first section
(10a) wenigstens ein Krallenelement (12) angeordnet ist.  (10a) at least one claw element (12) is arranged.
10. Verfahren zum elektrischen Kontaktieren eines Leitungsdrahtes (20) mit einer Trägereinrichtung (40) für wenigstens eine elektrische Leiterbahn (41 ), aufweisend die Schritte: 10. A method for electrically contacting a conductor wire (20) with a carrier device (40) for at least one electrical conductor track (41), comprising the steps:
Elektrisches und mechanisches Kontaktieren eines hülsenförmigen Kontaktie- rungselements (10) mit der Trägereinrichtung (40);  Electrical and mechanical contacting of a sleeve-shaped contacting element (10) with the carrier device (40);
Einführen des Leitungsdrahtes (20) in das Kontaktierungselement (10); und - Elektrisches Kontaktieren des Leitungsdrahtes (20) mit dem Kontaktierungselement (10).  Inserting the lead wire (20) into the contacting element (10); and - electrically contacting the conductor wire (20) with the contacting element (10).
1 1 . Verfahren nach Anspruch 9, wobei das elektrische Kontaktieren des Leitungsdrahts (20) mit der Trägereinrichtung (40) mittels Krimpens durchgeführt wird. 1 1. The method of claim 9, wherein electrically contacting the conductor wire (20) to the support means (40) is accomplished by crimping.
12. Verfahren nach Anspruch 9 oder 10, wobei das Kontaktieren des Kontaktie- rungselements (10) mit der Leiterplatte (40) mittels eines Lötprozesses durchgeführt wird. 12. The method of claim 9 or 10, wherein the contacting of the contacting element (10) with the printed circuit board (40) is carried out by means of a soldering process.
13. Verfahren nach Anspruch 1 1 , wobei der Lötprozess ein Reflow-Lötprozess 13. The method of claim 1 1, wherein the soldering process is a reflow soldering process
ist.  is.
PCT/EP2014/076928 2013-12-11 2014-12-08 Contacting element WO2015086539A1 (en)

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DE102013225565.9A DE102013225565B4 (en) 2013-12-11 2013-12-11 Contacting element and method for electrical contacting

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CN105814744B (en) 2019-05-03
DE102013225565B4 (en) 2023-02-02
DE102013225565A1 (en) 2015-06-11
EP3080871B1 (en) 2018-03-07
CN105814744A (en) 2016-07-27
EP3080871A1 (en) 2016-10-19

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