EP3482460A1 - High-power electrical contact - Google Patents

High-power electrical contact

Info

Publication number
EP3482460A1
EP3482460A1 EP17731536.3A EP17731536A EP3482460A1 EP 3482460 A1 EP3482460 A1 EP 3482460A1 EP 17731536 A EP17731536 A EP 17731536A EP 3482460 A1 EP3482460 A1 EP 3482460A1
Authority
EP
European Patent Office
Prior art keywords
contact
power
opening
arms
electrical connection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17731536.3A
Other languages
German (de)
French (fr)
Other versions
EP3482460B1 (en
Inventor
Matthias Müller
Rudi Kolb
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leukert GmbH
Original Assignee
Leukert 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 Leukert GmbH filed Critical Leukert GmbH
Publication of EP3482460A1 publication Critical patent/EP3482460A1/en
Application granted granted Critical
Publication of EP3482460B1 publication Critical patent/EP3482460B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/12—End pieces terminating in an eye, hook, or fork
    • 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
    • H01R12/70—Coupling devices
    • H01R12/7088—Arrangements for power supply
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending

Definitions

  • the present invention relates to a high power electrical contact.
  • contact pins wherein the contact pins are each guided in a receptacle of the circuit board.
  • This receptacle is often provided with a resilient ring or more generally with resilient contacts for permanent secure contacting of the contact pin.
  • Such contact pins are usually made of metal and round in cross-section.
  • contact pin receptacle and at least one electrical connection wherein the contact pin receptacle is integrally formed of two spaced superimposed and mutually movable part contacts, each subcontact having an opening with projecting into the opening contact arms, wherein the two openings are arranged coaxially to each other, wherein the contact arms of a Opening formed on the contact arms of the other opening are formed combing one another bent.
  • a contact pin for example, a battery in relation to the device according to the invention is compensated for great advantage by mutually movable sub-contacts, seen along the contact pin, beyond also axial spaced apart, so that they have a larger area Contact the contact pin. Due to the inventively provided, combing one another to bend arms is always a sufficient area for the electron transfer available.
  • Partial contacts on the one hand establishes a secure mechanical connection between the two partial contacts, on the other hand it enables a cost-effective production of the device, since assembly steps can be omitted.
  • the openings are round or square.
  • a round opening is preferred since the vast majority of pins is cylindrical and therefore a round opening is best suited for contacting.
  • the contact arms initially have a radially extending section followed by an axially extending section and in particular have a crowning and / or embossing in the latter.
  • the inner edge of the opening would be sufficient for contacting the contact pin, but such extending arms are particularly suitable to apply a spring force and thus to rest under a certain force on the wall of the contact pin, or be pressed.
  • a secure contact is possible, even if the contact pin due to mechanical or thermal influences, the opening of the partial contact passes through obliquely.
  • Partial contacts are formed connected to each other by means of at least one further connecting device, preferably by means of two connecting devices, in particular two identically formed connecting devices.
  • connection is formed integrally with the contact pin receptacle.
  • the electrical connection is a component which can be connected to the contact pin receptacle and has a connection section for this purpose.
  • the electrical connection has a connection end, designed in particular as a sword, contact button, crimp, soldering end, rivet, then the electrical connection can be tailored to its purpose without having to change the contact pin receptacle.
  • Connecting portion of the electrical connection is trident-shaped, wherein the two outer arms of the trident are aligned spaced above and below the middle arm formed bent.
  • Material thickness of the contact element corresponds and that the thickness of the middle arm to a distance of the two sub-contacts
  • connection surfaces of partial contact and electrical connection have corresponding latches.
  • Such screening further increases the surface available for the power line, but above all leads to an improved form-locking connection of the two parts of the invention.
  • FIG. 1 schematically a first embodiment before and after folding
  • FIG. 2a, b schematically a second embodiment
  • FIG. 3 schematically further embodiments.
  • Fig. 1 shows with the upper figure an inventive device 1 prior to folding with an electrical connection 3 and a
  • Contact pin receptacle 2 which has two integrally molded part contacts 4 and 5.
  • the sub-contacts 4, 5 in turn each have an opening 6, 7 and are connected to one another at a base 20.
  • the base 20 of the electrical contact 3 is also attached, which here consists of two
  • Part swords 21 exists.
  • the entire power contact is with it manufactured in one piece.
  • the length of the latching arm 22 later determines the distance between the two sub-contacts 4, 5.
  • the ready state of the embodiment of the invention is shown, finished bent. It can be seen that the two openings 6, 7 are arranged coaxially to each other and that the arms 8, 9 of a partial contact 4, 5 initially from a opening edge 10 a radially extending
  • Section 1 Section 1 1, followed by an axially extending portion 12, wherein the arms of a partial contact with those of the other partial contact are combing.
  • An embossment 13 on the latter section 12 can also be seen, so that a contact pin passing through the openings 6, 7 is contacted by surface installation and not only by line installation.
  • the distance between the two partial contacts 4, 5 is determined primarily by the length of the latching arm 22, which corresponds to a distance A in the region of the base 20.
  • the two sub-contacts are thus formed twice in the base 20 connected to each other and once in the most remote area of the opening 6, 7. This triple connection results in a stable high-performance contact, the two sub-contacts are still a certain limits against each other position variable.
  • the two divisors 21 can be bent toward each other, whereby each divisional sword 21 can be bent toward one another or both equally towards one another.
  • Fig. 2a shows a second embodiment of the invention in an operational form, the two-part contact pin receptacle 2 and electrical
  • Terminal 3 is formed.
  • Fig. 2b shows the electrical connection 3 in the state before its folding and merging with the
  • FIG. 2a shows the bending of the electrical connection 3, which leads to three spaced-apart layers, between which the material of the base 20 of the contact pin receptacle 2 is received.
  • the middle arm 18 is thus clamped in the contact pin receptacle 2, whereas the upper and lower arm 17 between each and the middle arm a position of the contact pin receptacle 2 clamp.
  • This sandwich connection allows optimal area utilization for power transmission while providing a high surface area for heat dissipation.
  • Two stops 24, which laterally support the upper and lower arms 17 and which are formed by stamping and bending in the region of the base 20, can also be seen.
  • Fig. 3 shows finally in the upper row several one-piece
  • Embodiments of the invention each with differently shaped terminal end 16 of the electrical connection 3 and with the same contact pin receptacle 2.
  • Terminal 3 are here designed as a sword, a crimp and a plug, shown from left to right.
  • Fig. 3 shows in the lower row of several two-part embodiments of the invention, each with differently shaped terminal end 16 of the electrical connection 3 according to the above-mentioned sequence.
  • the contact pin receptacle 2 is identical to that of the upper row. It will be appreciated that the stops 24 are optional and therefore need not occur in any two-part embodiment.
  • the absence of the second connection device 14 in the region of the opening 6, 7 shows that this is also optional.
  • the high-performance contact according to the invention is thus many
  • the high-performance contact is able to conduct large currents safely even with small overall dimensions due to its sandwich construction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention relates to a device for power contacting (1), comprising a contact-pin receptacle (2) and at least one electrical connector (3), wherein the contact-pin receptacle (2) is integrally formed from two partial contacts (4, 5), which are arranged one over the other at a distance from each other and which can be moved relative to each other, wherein each partial contact (4, 5) has an opening (6, 7) with contact arms (8, 9) protruding into the opening (6, 7), wherein the two openings (6, 7) are arranged coaxial to each other, wherein the contact arms (8, 9) of one opening (6, 7) are bent toward the contact arms (8, 9) of the other opening in such a way that the contact arms mesh with each other.

Description

Elektrischer Hochleistungskontakt  High performance electrical contact
Die vorliegende Erfindung betrifft einen elektrischen Hochleistungskontakt. The present invention relates to a high power electrical contact.
Im Bereich der Leistungskontaktierung von insbesondere miteinander verbundenen Leiterplatten oder Leiterplattenstapeln oder Stromschienen oder anderen, höhere Ströme führenden Bauteilen treten oftmals Ströme von mehr als 100 A bis hin zu 600 A oder mehr auf, wobei derartige Leiterplatten oder Stromschienen beispielsweise im Bereich der In the field of power contacting of in particular interconnected printed circuit boards or printed circuit board stacks or busbars or other, higher currents leading components often occur currents of more than 100 A up to 600 A or more, such printed circuit boards or busbars, for example in the
Elektromotoren, Batterien, Akkumulatoren oder allgemein im Bereich der Verbindung von Leistungsabnehmern und Quellen elektrischer Energie eingesetzt werden. Gerade im Bereich der Elektromobilität werden sehr hohe Ladeströme benötigt und erfordern entsprechend dimensionierte und alltagstaugliche Leistungskontakte. Electric motors, batteries, accumulators or generally used in the field of connection of power consumers and sources of electrical energy. Particularly in the field of electromobility very high charging currents are needed and require appropriately dimensioned and suitable for everyday use power contacts.
Die bekannten Vorrichtungen zur Leistungskontaktierung von The known devices for power contact of
insbesondere Leiterplatten oder Leiterplattenstapeln zwischen in particular printed circuit boards or printed circuit board stacks between
beispielsweise Akkumulatoren und Leistungsabnehmern weisen For example, have accumulators and power consumers
regelmäßig die Leiterplatten im Betriebszustand durchsetzende regularly passing through the circuit boards in the operating state
Kontaktstifte auf, wobei die Kontaktstifte jeweils in einer Aufnahme der Leiterplatte geführt sind. Diese Aufnahme ist oftmals mit einem federnden Ring oder allgemeiner mit federnden Kontakten zum dauerhaften sicheren Kontaktieren des Kontaktstiftes versehen. Derartige Kontaktstifte sind üblicherweise aus Metall und im Querschnitt rund ausgebildet. Contact pins, wherein the contact pins are each guided in a receptacle of the circuit board. This receptacle is often provided with a resilient ring or more generally with resilient contacts for permanent secure contacting of the contact pin. Such contact pins are usually made of metal and round in cross-section.
In Bauteilen, in denen sich die Leiterplatten oder Leiterplattenstapel im Betriebszustand relativ zueinander bewegen, beispielsweise aufgrund unterschiedlicher Erwärmung, kann die sichere Kontaktierung von In components in which the printed circuit boards or printed circuit board stacks move in the operating state relative to each other, for example due to different heating, the secure contacting of
Kontaktstift zu Bauteil nicht mehr für jeden Betriebszustand sichergestellt werden. Beispielsweise können sich die Leiterplatten so verschieben, dass die Federkontakte der Aufnahmen nicht mehr vollumfänglich am Kontaktstift anliegen. Es ist daher Aufgabe der Erfindung, einen Leistungskontakt anzugeben, der auch bei relativer Bewegung der kontaktierten Bauteile zu dem Kontaktstift eine hochwertige Kontaktierung dauerhaft sicherstellt und der auch bei geringen Baumaßen eine sichere Weiterleitung hoher Ströme erlaubt. Contact pin to component no longer be ensured for each operating condition. For example, the printed circuit boards can move so that the spring contacts of the recordings are no longer fully abut the contact pin. It is therefore an object of the invention to provide a power contact, which permanently ensures a high-quality contacting even with relative movement of the contacted components to the contact pin and allows safe transmission of high currents even with small dimensions.
Diese Aufgabe wird bei der erfindungsgemäßen Vorrichtung zur This object is achieved in the inventive device for
Leistungskontaktierung dadurch gelöst, dass sie eine Power Contact solved by having a
Kontaktstiftaufnahme und wenigstens einen elektrischen Anschluss aufweist, wobei die Kontaktstiftaufnahme einteilig aus zwei beabstandet übereinander angeordneten und zueinander beweglichen Teilkontakten gebildet ist, wobei jeder Teilkontakt eine Öffnung mit in die Öffnung hineinragenden Kontaktarmen aufweist, wobei die beiden Öffnungen koaxial zueinander angeordnet sind, wobei die Kontaktarme einer Öffnung auf die Kontaktarme der anderen Öffnung einander kämmend zugebogen ausgebildet sind. Die durch thermische oder mechanische Belastung ausgelöste Bewegung eines Kontaktstiftes beispielsweise einer Batterie in Bezug zur erfindungsgemäßen Vorrichtung wird mit großem Vorteil durch die zueinander beweglichen Teilkontakte ausgeglichen, die, entlang des Kontaktstiftes gesehen, darüber hinaus auch axiale zueinander beabstandet sind, so dass sie einen größeren Bereich des Kontaktstiftes kontaktieren. Aufgrund der erfindungsgemäß vorgesehenen, kämmend aufeinander zu gebogenen Arme steht stets eine ausreichende Fläche für den Elektronenübertritt zur Verfügung. Die Einteiligkeit der beiden Contact pin receptacle and at least one electrical connection, wherein the contact pin receptacle is integrally formed of two spaced superimposed and mutually movable part contacts, each subcontact having an opening with projecting into the opening contact arms, wherein the two openings are arranged coaxially to each other, wherein the contact arms of a Opening formed on the contact arms of the other opening are formed combing one another bent. The triggered by thermal or mechanical stress movement of a contact pin, for example, a battery in relation to the device according to the invention is compensated for great advantage by mutually movable sub-contacts, seen along the contact pin, beyond also axial spaced apart, so that they have a larger area Contact the contact pin. Due to the inventively provided, combing one another to bend arms is always a sufficient area for the electron transfer available. The one-part of the two
Teilkontakte stellt zum einen eine sichere mechanische Verbindung zwischen den beiden Teilkontakten her, zum anderen ermöglich sie eine kostengünstige Fertigung der Vorrichtung, da Montageschritte entfallen können. Partial contacts on the one hand establishes a secure mechanical connection between the two partial contacts, on the other hand it enables a cost-effective production of the device, since assembly steps can be omitted.
In Ausgestaltung der Erfindung ist vorgesehen, dass die Öffnungen rund oder eckig ausgebildet sind. Hierbei ist eine runde Öffnung bevorzugt, da die überwiegende Mehrzahl an Kontaktstiften zylindrisch ausgebildet ist und daher eine runde Öffnung am besten zur Kontaktierung geeignet ist. Da es jedoch auch eckige Kontaktstifte gibt, insbesondere solche mit quadratischem oder sechs- oder achteckigem Querschnitt, sind auch entsprechend geformte Öffnungen in den Teilkontakten erfindungsgemäß. In an embodiment of the invention it is provided that the openings are round or square. Here, a round opening is preferred since the vast majority of pins is cylindrical and therefore a round opening is best suited for contacting. However, since there are also square pins, especially those with square or hexagonal or octagonal cross-section, also correspondingly shaped openings in the sub-contacts according to the invention.
Die Erfindung schlägt mit großem Vorteil vor, dass die Kontaktarme ausgehend von einem Öffnungsrand zunächst einen radial verlaufenden Abschnitt gefolgt von einem axial verlaufenden Abschnitt aufweisen und insbesondere in letzterem eine Bombierung und/oder Prägung aufweisen. Grundsätzlich wäre auch der innere Rand der Öffnung ausreichend für eine Kontaktierung des Kontaktstiftes, jedoch sind derart verlaufende Arme besonders geeignet, eine Federkraft aufzubringen und somit unter einer gewissen Kraft an der Wandung des Kontaktstiftes anzuliegen, bzw. angepresst zu sein. Hierdurch wird eine sichere Kontaktierung ermöglicht, auch dann, wenn der Kontaktstift aufgrund von mechanischen oder thermischen Einflüssen die Öffnung des Teilkontakts schief durchsetzt. The invention proposes with great advantage that, starting from an opening edge, the contact arms initially have a radially extending section followed by an axially extending section and in particular have a crowning and / or embossing in the latter. Basically, the inner edge of the opening would be sufficient for contacting the contact pin, but such extending arms are particularly suitable to apply a spring force and thus to rest under a certain force on the wall of the contact pin, or be pressed. As a result, a secure contact is possible, even if the contact pin due to mechanical or thermal influences, the opening of the partial contact passes through obliquely.
In Weiterbildung der Erfindung ist vorgesehen, dass die beiden In a further development of the invention, it is provided that the two
Teilkontakte mittels mindestens einer weiteren Verbindungsvorrichtung aneinander verbunden ausgebildet sind, vorzugsweise mittels zweier Verbindungsvorrichtungen, insbesondere zweier gleichartig ausgebildeter Verbindungsvorrichtungen. Hierdurch wird zwar die relative Bewegung der beiden Teilkontakte zueinander erschwert, jedoch gewinnt die Vorrichtung insgesamt an Stabilität ohne dabei in der Beweglichkeit zu sehr Partial contacts are formed connected to each other by means of at least one further connecting device, preferably by means of two connecting devices, in particular two identically formed connecting devices. Although this makes the relative movement of the two sub-contacts to each other more difficult, however, the device gains overall stability without being too agile
eingeschränkt zu werden. Besonders vorteilhaft ist die Ausgestaltung, wonach der elektrischeto be restricted. Particularly advantageous is the embodiment, according to which the electric
Anschluss einteilig mit der Kontaktstiftaufnahme ausgebildet ist. Hierdurch kann der erfindungsgemäße Hochleistungskontakt mit großem Vorteil aus einem einzigen Teil gefertigt werden, insbesondere aus einem Connection is formed integrally with the contact pin receptacle. As a result, the inventive high-performance contact with great advantage a single part are made, in particular from a
kontinuierlichen verarbeiteten Metallband gestanzt und gebogen werden. continuous processed metal strip to be punched and bent.
In Weiterbildung der Erfindung ist vorgesehen, dass der elektrische Anschluss ein mit der Kontaktstiftaufnahme verbindbares Bauteil ist und hierzu einen Verbindungsabschnitt aufweist. Diese alternative In a development of the invention, it is provided that the electrical connection is a component which can be connected to the contact pin receptacle and has a connection section for this purpose. This alternative
Ausgestaltung ist zwar fertigungstechnisch aufwendiger herzustellen und erfordert das Vorsehen von Verbindungsabschnitten am elektrischen Kontakt und der Kontaktstiftaufnahme, bietet jedoch den großen Vorteil, beide Teile der Erfindung individuell an den jeweiligen zu kontaktierenden Körper angepasst zu konstruieren.  Although design is more expensive to manufacture and requires the provision of connecting portions on the electrical contact and the contact pin receptacle, but offers the great advantage of individually adapted to construct both parts of the invention to the respective body to be contacted.
Weist der elektrische Anschluss ein Anschlussende auf, ausgebildet insbesondere als Schwert, Kontaktknopf, Crimp, Lötende, Niet, so kann der elektrische Anschluss maßgeschneidert auf seinen Einsatzzweck entworfen werden, ohne dass die Kontaktstiftaufnahme geändert werden müsste. If the electrical connection has a connection end, designed in particular as a sword, contact button, crimp, soldering end, rivet, then the electrical connection can be tailored to its purpose without having to change the contact pin receptacle.
In Weiterbildung der Erfindung ist vorgesehen, dass der In development of the invention it is provided that the
Verbindungsbereich des elektrischen Anschlusses dreizackförmig ausgebildet ist, wobei die beiden äußeren Arme des Dreizack fluchtend beabstandet über und unter den mittleren Arm umgebogen ausgebildet sind. Durch diese mehrlagige Ausgestaltung kann ein sehr großer Teil der Oberfläche des elektrischen Kontaktes zur Stromleitung verwendet werden. Connecting portion of the electrical connection is trident-shaped, wherein the two outer arms of the trident are aligned spaced above and below the middle arm formed bent. By this multi-layered design, a very large part of the surface of the electrical contact to the power line can be used.
In Weiterbildung der Erfindung ist sodann vorgesehen, dass der Abstand von oberem zu mittlerem und unterem zu mittlerem Arm zu einer In a further development of the invention is then provided that the distance from upper to middle and lower to middle arm to a
Materialstärke des Kontaktelements korrespondiert und dass die Dicke des mittleren Armes zu einem Abstand der beiden Teilkontakte Material thickness of the contact element corresponds and that the thickness of the middle arm to a distance of the two sub-contacts
zueinander korrespondiert. Dies stellt mit großem Vorteil eine besonders sichere und haltbare Verbindung zwischen den beiden Teilen der erfindungsgemäßen Vorrichtung zur Leistungskontaktierung dar. corresponds to each other. This is a great advantage safe and durable connection between the two parts of the device according to the invention for Leistungsungskontaktierung.
Schließlich ist erfindungsgemäß noch vorgesehen, dass die jeweiligen Verbindungsflächen von Teilkontakt und elektrischem Anschluss korrespondierende Rasterungen aufweisen. Eine derartige Rasterung erhöht die zur Stromleitung zur Verfügung stehende Oberfläche weiter, führt vor allem aber zu einer verbesserten formschlüssigen Verbindung der beiden Teile der Erfindung. Finally, according to the invention, it is also provided that the respective connection surfaces of partial contact and electrical connection have corresponding latches. Such screening further increases the surface available for the power line, but above all leads to an improved form-locking connection of the two parts of the invention.
Die Erfindung wird in einer bevorzugten Ausführungsform unter The invention is in a preferred embodiment below
Bezugnahme auf eine Zeichnung beispielhaft beschrieben, wobei weitere vorteilhafte Einzelheiten den Figuren der Zeichnung zu entnehmen sind. Reference to a drawing described by way of example, with further advantageous details are shown in the figures of the drawing.
Funktionsmäßig gleiche Teile sind dabei mit denselben Bezugszeichen versehen. Functionally identical parts are provided with the same reference numerals.
Die Figuren der Zeichnung zeigen im Einzelnen: Fig. 1 : schematisch eine erste Ausführungsform vor und nach Faltung, Fig. 2a, b: schematisch eine zweite Ausführungsform, Fig. 3: schematisch weitere Ausführungsformen. The figures of the drawing show in detail: FIG. 1: schematically a first embodiment before and after folding, FIG. 2a, b: schematically a second embodiment, FIG. 3: schematically further embodiments.
Fig. 1 zeigt mit der oberen Abbildung eine erfindungsgemäße Vorrichtung 1 vor der Faltung mit einem elektrischen Anschluss 3 und einer Fig. 1 shows with the upper figure an inventive device 1 prior to folding with an electrical connection 3 and a
Kontaktstiftaufnahme 2, die zwei einstückig geformte Teilkontakte 4 und 5 aufweist. Die Teilkontakte 4, 5 weisen ihrerseits jeweils eine Öffnung 6, 7 auf und sind an einer Basis 20 miteinander verbunden. An der Basis 20 ist ebenfalls der elektrische Kontakt 3 befestigt, der hier aus zwei  Contact pin receptacle 2, which has two integrally molded part contacts 4 and 5. The sub-contacts 4, 5 in turn each have an opening 6, 7 and are connected to one another at a base 20. At the base 20 of the electrical contact 3 is also attached, which here consists of two
Teilschwertern 21 besteht. Der gesamte Leistungskontakt ist damit einteilig gefertigt. Gut zu erkennen sind die Arme 8, 9 in den Öffnungen 6, 7 sowie zwei sind dabei zwei gleichartige Verbindungsvorrichtungen 14, jeweils bestehend aus einem Rastarm 22 und einer Rastung 23. Die Länge des Rastarmes 22 bestimmt später den Abstand zwischen den beiden Teilkontakten 4, 5. Im unteren Teil von Fig. 1 ist der einsatzbereite Zustand der erfindungsgemäßen Ausführungsform dargestellt, fertig gebogen. Zu erkennen ist, dass die beiden Öffnungen 6, 7 koaxial zueinander angeordnet sind und dass die Arme 8, 9 eines Teilkontaktes 4, 5 zunächst von einem Öffnungsrand 10 einen radial verlaufenden Part swords 21 exists. The entire power contact is with it manufactured in one piece. Good to see the arms 8, 9 in the openings 6, 7 and two are two similar connection devices 14, each consisting of a latching arm 22 and a detent 23. The length of the latching arm 22 later determines the distance between the two sub-contacts 4, 5. In the lower part of Fig. 1, the ready state of the embodiment of the invention is shown, finished bent. It can be seen that the two openings 6, 7 are arranged coaxially to each other and that the arms 8, 9 of a partial contact 4, 5 initially from a opening edge 10 a radially extending
Abschnitt 1 1 aufweisen, gefolgt von einem axial verlaufenden Abschnitt 12, wobei die Arme eines Teilkontaktes mit denjenigen des anderen Teilkontaktes kämmend sind. Zu erkennen ist ebenfalls eine Prägung 13 auf letzterem Abschnitt 12, so dass ein die Öffnungen 6, 7 durchsetzender Kontaktstift mittels Flächenanlage und nicht nur mittels Linienanlage kontaktiert wird. Zu erkennen ist auch, dass der Abstand zwischen den beiden Teilkontakten 4, 5 in erster Linie durch die Länge des Rastarmes 22 bestimmt wird, der zu einem Abstand A im Bereich der Basis 20 korrespondiert. Die beiden Teilkontakte sind also im Bereich der Basis 20 zweimal miteinander verbunden ausgebildet und einmal im davon entferntesten Bereich der Öffnung 6, 7. Diese dreifache Verbindung ergibt einen stabilen Hochleistungskontakt, dessen beide Teilkontakte dennoch ein gewissen Grenzen gegeneinander lageveränderlich sind. Zu erkennen ist schließlich noch, dass die beiden Teilschwerter 21 aufeinander zu gebogen sein können, wobei jedes Teilschwert 21 auf das andere bzw. beide in gleichem Maße aufeinander zu gebogen sein können. Section 1 1, followed by an axially extending portion 12, wherein the arms of a partial contact with those of the other partial contact are combing. An embossment 13 on the latter section 12 can also be seen, so that a contact pin passing through the openings 6, 7 is contacted by surface installation and not only by line installation. It can also be seen that the distance between the two partial contacts 4, 5 is determined primarily by the length of the latching arm 22, which corresponds to a distance A in the region of the base 20. The two sub-contacts are thus formed twice in the base 20 connected to each other and once in the most remote area of the opening 6, 7. This triple connection results in a stable high-performance contact, the two sub-contacts are still a certain limits against each other position variable. Finally, it can be seen that the two divisors 21 can be bent toward each other, whereby each divisional sword 21 can be bent toward one another or both equally towards one another.
Fig. 2a zeigt eine zweite Ausführungsform der Erfindung in einsatzbereiter Form, die zweiteilig aus Kontaktstiftaufnahme 2 und elektrischem Fig. 2a shows a second embodiment of the invention in an operational form, the two-part contact pin receptacle 2 and electrical
Anschluss 3 gebildet ist. Fig. 2b zeigt den elektrischen Anschluss 3 im Zustand vor seiner Faltung und Zusammenführung mit der Terminal 3 is formed. Fig. 2b shows the electrical connection 3 in the state before its folding and merging with the
Kontaktstiftaufnahme 2. Er ist dreizackförmig ausgebildet, mit zwei äußeren Armen 17 und einem mittleren Arm 18, wobei jeder Arm eine Rasterung 19 trägt. Das Anschlussende 16 ist wiederum als Schwert ausgebildet. Fig. 2a zeigt die Biegung des elektrischen Anschlusses 3, die zu drei beabstandet übereinander liegenden Lagen führt, zwischen denen das Material der Basis 20 der Kontaktstiftaufnahme 2 aufgenommen ist. Der mittlere Arm 18 ist damit in der Kontaktstiftaufnahme 2 geklemmt, wohingegen der obere und untere Arm 17 zwischen jeweils sich und dem mittleren Arm eine Lage der Kontaktstiftaufnahme 2 klemmen. Diese Sandwichverbindung ermöglicht eine optimale Flächenausnutzung zur Stromübertragung und bietet gleichzeitig eine hohe Oberfläche zur Wärmeabstrahlung. Zu erkennen sind auch zwei Anschläge 24, die die oberen und unteren Arme 17 seitlich stützen und die mittels Stanzen und Biegen im Bereich der Basis 20 gebildet sind. Contact pin holder 2. It has a triangular shape, with two outer arms 17 and a middle arm 18, each arm carries a grid 19. The connection end 16 is again designed as a sword. FIG. 2a shows the bending of the electrical connection 3, which leads to three spaced-apart layers, between which the material of the base 20 of the contact pin receptacle 2 is received. The middle arm 18 is thus clamped in the contact pin receptacle 2, whereas the upper and lower arm 17 between each and the middle arm a position of the contact pin receptacle 2 clamp. This sandwich connection allows optimal area utilization for power transmission while providing a high surface area for heat dissipation. Two stops 24, which laterally support the upper and lower arms 17 and which are formed by stamping and bending in the region of the base 20, can also be seen.
Fig. 3 zeigt schließlich in der oberen Reihe mehrere einteilige Fig. 3 shows finally in the upper row several one-piece
Ausführungsformen der Erfindung, jeweils mit unterschiedlich gestaltetem Anschlussende 16 des elektrischen Anschlusses 3 und mit der gleichen Kontaktstiftaufnahme 2. Die Anschlussenden 16 des elektrischen Embodiments of the invention, each with differently shaped terminal end 16 of the electrical connection 3 and with the same contact pin receptacle 2. The terminal ends 16 of the electrical
Anschlusses 3 sind hier als Schwert, als Crimp und als Stecker ausgebildet, von links nach rechts dargestellt. Fig. 3 zeigt in der unteren Reihe mehrere zweiteilige Ausführungsformen der Erfindung, jeweils mit unterschiedlich gestaltetem Anschlussende 16 des elektrischen Anschlusses 3 entsprechend der zuvor genannten Reihung. Die Kontaktstiftaufnahme 2 ist identisch zu derjenigen der oberen Reihe. Zu erkennen ist, dass die Anschläge 24 optional sind und daher nicht bei jeder zweiteiligen Ausführungsform auftreten müssen. Das Fehlen der zweiten Verbindungsvorrichtung 14 im Bereich der Öffnung 6, 7 zeigt, dass diese ebenfalls optional ist. Der erfindungsgemäße Hochleistungskontakt ist damit an viele Terminal 3 are here designed as a sword, a crimp and a plug, shown from left to right. Fig. 3 shows in the lower row of several two-part embodiments of the invention, each with differently shaped terminal end 16 of the electrical connection 3 according to the above-mentioned sequence. The contact pin receptacle 2 is identical to that of the upper row. It will be appreciated that the stops 24 are optional and therefore need not occur in any two-part embodiment. The absence of the second connection device 14 in the region of the opening 6, 7 shows that this is also optional. The high-performance contact according to the invention is thus many
Einsatzwecke anpassbar und ermöglicht dank der Beweglichkeit der beiden Teilkontakte zueinander und dank der federnden Ausbildung der Kontaktarme und deren axiale Erstreckung einen sicheren Kontakt zu einem Kontaktstift auch unter rauen Einsatzbedingungen. Insbesondere in seiner zweiteiligen Form vermag es der Hochleistungskontakt aufgrund seiner Sandwichbauweise auch bei kleinen Gesamtmaßen große Ströme sicher zu leiten. Due to the mobility of the two sub-contacts to each other and thanks to the resilient design of the contact arms and their axial extent allows safe contact with a contact pin, even under harsh operating conditions. In particular, in its two-part form, the high-performance contact is able to conduct large currents safely even with small overall dimensions due to its sandwich construction.
BEZUGSZEICHENLISTE LIST OF REFERENCE NUMBERS
1 Vorrichtung zur Leistungskontaktierung1 device for power contact
2 Kontaktstiftaufnahme 2 pin recording
3 elektrischer Anschluss  3 electrical connection
4 Teilkontakt  4 partial contact
5 Teilkontakt  5 partial contact
6 Öffnung  6 opening
7 Öffnung  7 opening
8 Kontaktarm  8 contact arm
9 Kontaktarm  9 contact arm
10 Öffnungsrand  10 opening edge
1 1 radialer Abschnitt  1 1 radial section
12 axialer Abschnitt  12 axial section
13 Prägung  13 stamping
14 Verbindungsvorrichtung  14 connection device
15 Verbindungsbereich  15 connection area
16 Anschlussende  16 connection end
17 äußerer Arm  17 outer arm
18 mittlerer Arm  18 middle arm
19 Rasterungen  19 screens
20 Basis  20 basis
21 Teilschwert  21 partial sword
22 Rastarm  22 latching arm
23 Rastung  23 detent
24 Anschlag  24 stop

Claims

PATENTANSPRÜCHE
Vorrichtung zur Leistungskontaktierung (1), aufweisend eine Device for power contact (1), comprising a
Kontaktstiftaufnahme (2) und wenigstens einen elektrischen Contact pin receptacle (2) and at least one electrical
Anschluss (3), wobei die Kontaktstiftaufnahme (2) einteilig aus zwei beabstandet übereinander angeordneten und zueinander Terminal (3), wherein the contact pin receptacle (2) in one piece from two spaced superimposed and to each other
beweglichen Teilkontakten (4, 5) gebildet ist, wobei jeder Teilkontakt (4, 5) eine Öffnung (6, 7) mit in die Öffnung (6, 7) hineinragenden Kontaktarmen (8, 9) aufweist, wobei die beiden Öffnungen (6, 7) koaxial zueinander angeordnet sind, wobei die Kontaktarme (8, 9) einer Öffnung (6, 7) auf die Kontaktarme (8, 9) der anderen Öffnung einander kämmend zugebogen ausgebildet sind. movable sub-contacts (4, 5) is formed, wherein each sub-contact (4, 5) has an opening (6, 7) with in the opening (6, 7) projecting contact arms (8, 9), wherein the two openings (6, 7) are arranged coaxially to each other, wherein the contact arms (8, 9) of an opening (6, 7) on the contact arms (8, 9) of the other opening are formed bent together combing.
Vorrichtung zur Leistungskontaktierung (1) gemäß Anspruch 1 , dadurch gekennzeichnet, dass die Öffnungen (6, 7) rund oder eckig ausgebildet sind. Device for power contacting (1) according to claim 1, characterized in that the openings (6, 7) are round or angular.
Vorrichtung zur Leistungskontaktierung (1) gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Kontaktarme (8, 9) Device for power contacting (1) according to claim 1 or 2, characterized in that the contact arms (8, 9)
ausgehend von einem Öffnungsrand (10) zunächst einen radial verlaufenden Abschnitt (1 1) gefolgt von einem axial verlaufenden Abschnitt (12) aufweisen und insbesondere in letzterem eine starting from an opening edge (10) initially have a radially extending portion (1 1) followed by an axially extending portion (12) and in particular in the latter one
Bombierung und/oder Prägung (13) aufweisen. Crowning and / or embossing (13) have.
Vorrichtung zur Leistungskontaktierung (1 ) gemäß Anspruch 1 , 2 oder 3, dadurch gekennzeichnet, dass die beiden Teilkontakte (4, 5) mittels mindestens einer weiteren Verbindungsvorrichtung (14) aneinander verbunden ausgebildet sind, vorzugsweise mittels zweier Verbindungsvorrichtungen (14), insbesondere zweier gleichartig ausgebildeter Verbindungsvorrichtungen (14). Device for power contacting (1) according to claim 1, 2 or 3, characterized in that the two sub-contacts (4, 5) by means of at least one further connecting device (14) are formed connected to each other, preferably by means of two connecting devices (14), in particular two similar trained connecting devices (14).
5. Vorrichtung zur Leistungskontaktierung (1) gemäß einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass der elektrische Anschluss (3) einteilig mit der Kontaktstiftaufnahme (2) ausgebildet ist. 6. Vorrichtung zur Leistungskontaktierung (1) gemäß einem der 5. Device for power contacting (1) according to one of the preceding claims, characterized in that the electrical connection (3) is formed integrally with the contact pin receptacle (2). 6. Device for power contact (1) according to one of
vorherigen Ansprüche, dadurch gekennzeichnet, dass der elektrische Anschluss (3) ein mit der Kontaktstiftaufnahme (2) verbindbares Bauteil ist und hierzu einen Verbindungsabschnitt (15) aufweist. 7. Vorrichtung zur Leistungskontaktierung (1) gemäß einem der  previous claims, characterized in that the electrical connection (3) with the contact pin receptacle (2) connectable component and for this purpose has a connecting portion (15). 7. Device for power contact (1) according to one of
vorherigen Ansprüche, dadurch gekennzeichnet, dass der elektrische Anschluss (3) ein Anschlussende (16) aufweist, ausgebildet insbesondere als Schwert, Kontaktknopf, Crimp, Lötende, Niet. 8. Vorrichtung zur Leistungskontaktierung (1) gemäß Anspruch 6 oder 7, dadurch gekennzeichnet, dass der Verbindungsabschnitt (15) des elektrischen Anschlusses (3) dreizackförmig ausgebildet ist, wobei die beiden äußeren Arme (17) des Dreizack fluchtend beabstandet über und unter den mittleren Arm (18) umgebogen ausgebildet sind.  previous claims, characterized in that the electrical connection (3) has a connection end (16), formed in particular as a sword, contact button, crimp, soldering, rivet. 8. A device for power contact (1) according to claim 6 or 7, characterized in that the connecting portion (15) of the electrical connection (3) is trident-shaped, wherein the two outer arms (17) of the trident aligned above and below the middle Arm (18) are formed bent over.
9. Vorrichtung zur Leistungskontaktierung (1) gemäß einem der 9. Device for power contact (1) according to one of
vorherigen Ansprüche, dadurch gekennzeichnet, dass der Abstand von oberem zu mittlerem und unterem zu mittlerem Arm zu einer Materialstärke des Kontaktelements (2) korrespondiert und dass die Dicke des mittleren Armes zu einem Abstand der beiden Teilkontakte previous claims, characterized in that the distance from upper to middle and lower to middle arm to a material thickness of the contact element (2) corresponds and that the thickness of the middle arm to a distance of the two sub-contacts
(4, 5) zueinander korrespondiert. Vorrichtung zur Leistungskontaktierung (1) gemäß einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die jeweiligen Verbindungsflächen von Teilkontakt (4, 5) und elektrischem Anschluss (3) korrespondierende Rasterungen (19) aufweisen. (4, 5) corresponds to each other. Device for power contacting (1) according to one of the preceding claims, characterized in that the respective connecting surfaces of partial contact (4, 5) and electrical connection (3) have corresponding latches (19).
EP17731536.3A 2016-07-06 2017-06-16 High-power electrical contact Active EP3482460B1 (en)

Applications Claiming Priority (2)

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DE102016112434.6A DE102016112434A1 (en) 2016-07-06 2016-07-06 High performance electrical contact
PCT/EP2017/064831 WO2018007129A1 (en) 2016-07-06 2017-06-16 High-power electrical contact

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EP3482460A1 true EP3482460A1 (en) 2019-05-15
EP3482460B1 EP3482460B1 (en) 2020-07-29

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EP (1) EP3482460B1 (en)
CN (1) CN109478734B (en)
DE (1) DE102016112434A1 (en)
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US20190229444A1 (en) 2019-07-25
US10424854B2 (en) 2019-09-24
WO2018007129A1 (en) 2018-01-11
CN109478734B (en) 2020-06-16
ES2821918T3 (en) 2021-04-28
EP3482460B1 (en) 2020-07-29
DE102016112434A1 (en) 2018-01-11
MX2018016111A (en) 2019-05-30
ES2664883T6 (en) 2018-04-23
CN109478734A (en) 2019-03-15

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