EP1905130B1 - Contact spring in a support frame of an antenna amplifier of a vehicle - Google Patents

Contact spring in a support frame of an antenna amplifier of a vehicle Download PDF

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Publication number
EP1905130B1
EP1905130B1 EP06724177.8A EP06724177A EP1905130B1 EP 1905130 B1 EP1905130 B1 EP 1905130B1 EP 06724177 A EP06724177 A EP 06724177A EP 1905130 B1 EP1905130 B1 EP 1905130B1
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EP
European Patent Office
Prior art keywords
contact
spring
contact spring
lamellae
contact surfaces
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Active
Application number
EP06724177.8A
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German (de)
French (fr)
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EP1905130A1 (en
Inventor
David Silva
Helmut Häussler
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Hirschmann Car Communication GmbH
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Hirschmann Car Communication GmbH
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Publication of EP1905130A1 publication Critical patent/EP1905130A1/en
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Publication of EP1905130B1 publication Critical patent/EP1905130B1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—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 characterised by the form or material of the contacting members
    • H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
    • 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
    • H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4881—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a louver type spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/02—Connectors or connections adapted for particular applications for antennas

Definitions

  • the invention relates to a contact spring according to the features of the preamble of claim 1 or 2.
  • a contact spring which has in each case in the direction of a contact surface fins, wherein the fins can be brought into contact with contact points on the contact surfaces is from the EP 1 523 069 known.
  • the contact spring described and shown there has a mounting end with which the contact spring in or on a support frame can be fixed. A free end facing away from the attachment end can move in a recess of the support frame in one direction, this free movement being important when the contact spring is brought between the two contact surfaces while being pressed together.
  • Such known contact springs are mainly used in the contacting of antenna amplifiers with antenna structures, which are located in or on a flat component of a vehicle, in particular a disc.
  • US 2005/0020158 discloses an arrangement comprising a contact spring and contact surfaces according to the preamble of claim 1.
  • the invention is therefore based on the object to further improve the known lamellar contact springs that they are optimized in terms of their application in the contacting of electronic devices, in particular AntennenverEntm, in vehicles with electrically conductive structures in planar components, in particular antenna structures in vehicle windows ,
  • the at least one contact point of the contact spring has a coating, preferably the contact points of the contact spring have a coating, wherein the respective material of the coating of the contact spring is adapted to the material of the contact surface.
  • the contact spring consists of a first material, which is to be referred to as base material. In the areas and the areas next to it, with which the vaults of the slats can be brought to the contact surfaces to the plant, either the base material of the contact spring has the same material as the contact surface itself. As a result, a contact corrosion can be largely avoided or even completely avoided.
  • the base material of the contact spring is a different material than the one contact surface or even other than both contact surfaces, it is provided to provide the contact points of the blades of the contact spring with the same material of which the contact surface consists, so that the adjacent areas consist of the same material.
  • the coating of the contact points of the contact spring consists of the same material as the contact surfaces on which the lamellae can be brought into contact.
  • the base material of the contact spring consists of a first material, wherein the two contact surfaces made of different materials of this material and the contact points of the slats are coated with the respective materials, with which they can later be brought to the contact surface to the plant are.
  • the coating of the contact points of the slats can be done for example by a galvanic coating, wherein it is also conceivable that electrically conductive materials can be applied, which are mixed with electrically conductive materials (keyword: electrically conductive plastic).
  • the contact surface on the vehicle window where the antenna conductor structure is to be contacted with the antenna amplifier, consists of silver, while the contact surface at the end point of the track of the antenna amplifier is made of gold.
  • the base material of the contact spring would be only spring plate in total, it could lead to the described phenomena of resolution due to the different voltage series of the metal materials. This is avoided with the invention in that the directed in the direction of the contact surface of the vehicle window slats are coated with silver, while in the direction of the contact surface on the circuit board of the antenna amplifier directed fins are coated with gold, while the base material of the contact spring, a metal good Have spring properties.
  • the number of lamellae in the direction of the one contact surface and / or the width thereof is different from the number of lamellas and / or their width in the direction of the further contact surface.
  • the total width of all the fins on each side of the contact spring may be the same. This means that with different width and different number of slats on one side and on the other side, the spring force and the spring travel is the same. However, if different spring forces and / or spring travel required, this can be achieved by the inventive design of Slats are also possible. However, if the effect is desired that the contact force on both sides of the contact spring is the same, the number of all fins on each side of the contact spring may be the same.
  • the attachment end of the contact spring in only one predeterminable position on a support, a support frame, a support plate or the like can be fixed.
  • the attachment end of the contact spring and / or the mounting region of the carrier on which the attachment end of the contact spring is set formally designed so that only just one position of the contact spring to the carrier is possible.
  • the correct position positioning of the contact spring in or on the support frame is important because on the one hand an automated assembly, just for large numbers, is possible. In addition, it is thus avoided that differently dimensioned contact springs are used in one and the same support frame.
  • the contact spring is tuned to a certain distance between the two contact surfaces to each other and this distance may vary, for example, in different vehicle models.
  • the correct position positioning of the contact spring in the support frame is also important to place them laterally correct with different contact surfaces and / or contact forces.
  • Embodiments of the invention to which, however, is not limited, are in the FIGS. 1 to 6 shown.
  • FIG. 1 shows, as far as shown in detail, the basic arrangement of a lamellar contact spring 1 between two contact surfaces 2 and 3, wherein z. B. the contact surface 2 on the side of a circuit board of an antenna amplifier and the contact surface 3 is arranged on the side of a planar component of a vehicle with antenna conductor structure.
  • z. B. the contact surface 2 on the side of a circuit board of an antenna amplifier and the contact surface 3 is arranged on the side of a planar component of a vehicle with antenna conductor structure.
  • Such a basic structure as in FIG. 1 is shown constructively detailed from the EP 1 080 513 known.
  • FIG. 2 shows that the contact spring 1 consists of a base material with spring properties and has a mounting end 4 and a freely movable end 5. Between these two ends 4, 5 a lamellar connection, once in the direction of the contact surface 2 and once in the direction of the contact surface 3, is present.
  • This in FIG. 2 shown shaping of the contact spring 1 can be produced by a simple punching process.
  • the number of slats and / or their width in the direction of the one contact surface is different, or if desired, also equal, to the number of slats and / or their width in the direction of the further contact surfaces, so that the same or different Contact forces or the same or different spring travel are adjustable.
  • the contact force spring force by number of slats results in the contact force
  • the abrasion on the contact surface 2, 3 can be reduced or even avoided, because when loading the contact spring 1 with an axial force (s. FIG. 4 ), the freely movable side 5 of the contact spring can move freely, without the contact spring 1 bends itself.
  • FIG. 4 shows the contact spring 1, which is fixed to a support, not shown, with its attachment point 4, so that the freely movable side 5 of the contact spring 1 can move in the direction of arrow or opposite to the direction of the arrow, if from above or below the axial forces during and after Installation of the contact spring acting on the slats.
  • FIG. 5 Finally, the contact spring 1 in a carrier 10 (in particular a support frame for receiving the circuit board of an antenna amplifier), wherein the shape of the attachment end 4 of the contact spring 1 and the associated mounting portion of the contact spring 1 to the carrier 10 due to their shape defining the contact spring allow on the carrier 10 only in a predetermined position.
  • a carrier 10 in particular a support frame for receiving the circuit board of an antenna amplifier
  • the attachment end 4 of the contact spring 1 may be rounded, bevelled, be provided with indentations or bulges or asymmetrical shapes and have this shape corresponding to the carrier 10.
  • the Carrier 10 also has a corresponding shape, for example due to a depression into which the attachment end 4 is inserted, or by a correspondingly provided oblique web.
  • the coding by means of fastening means such as latching hooks, locking lugs, barbs or the like to realize.
  • the carrier 10 may have two protruding domes of different diameters, while the attachment end 4 has two openings also of different diameters.
  • the determination of the contact spring 1 on the carrier 10 by force and / or positive engagement such as by caulking, hot stamping, ultrasonic riveting, gluing, lawn, screws or the like.
  • the at least one contact spring 1 is also positioned at the same time, so that a subsequent assembly of the contact spring 1 after the production of the carrier 10 is omitted.
  • FIG. 6 It is shown that in the carrier frame used (for example, carrier 10), in which the at least one contact spring is arranged, stops for Wegbegrenzung for the spring travel are integrated. This is particularly important so that they can not be damaged during transportation and improper handling of the installed contact springs. Preferably, these attacks can be provided in the mounting and mounting elements of the contact spring, but also be installed as independent modules on the support frame cost. The attacks are in the FIG. 6 , Reference numeral 11 recognizable.

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  • Support Of Aerials (AREA)

Description

Technisches GebietTechnical area

Die Erfindung betrifft eine Kontaktfeder gemäß den Merkmalen des Oberbegriffes des Patentanspruches 1 oder 2.The invention relates to a contact spring according to the features of the preamble of claim 1 or 2.

Stand der TechnikState of the art

Eine Kontaktfeder, die in Richtung jeweils einer Kontaktfläche Lamellen aufweist, wobei die Lamellen mit Kontaktstellen an den Kontaktflächen zur Anlage bringbar sind, ist aus der EP 1 523 069 bekannt. Die dort beschriebene und gezeigte Kontaktfeder weist ein Befestigungsende auf, mit dem die Kontaktfeder in oder an einem Trägerrahmen festlegbar ist. Ein dem Befestigungsende abgewandtes freies Ende kann sich in einer Aussparung des Trägerrahmens in einer Richtung bewegen, wobei diese freie Bewegung wichtig ist, wenn die Kontaktfeder zwischen die beiden Kontaktflächen gebracht und dabei zusammengepresst wird. In der Praxis hat sich herausgestellt, dass der Aufbau einer solchen Kontaktfeder mit nach oben und unten gerichteten Lamellen sehr vorteilhaft ist, da Beschädigungen auf Grund der geschlossenen Lamellen vermieden werden und auch ein extremes Zusammendrücken der Lamellen nicht zu einem Bruch derselben führt, da sich das freie Ende axial bewegen kann und somit in Längsrichtung ein Ausgleichsweg zur Verfügung steht.A contact spring which has in each case in the direction of a contact surface fins, wherein the fins can be brought into contact with contact points on the contact surfaces, is from the EP 1 523 069 known. The contact spring described and shown there has a mounting end with which the contact spring in or on a support frame can be fixed. A free end facing away from the attachment end can move in a recess of the support frame in one direction, this free movement being important when the contact spring is brought between the two contact surfaces while being pressed together. In practice, it has been found that the construction of such a contact spring with upwardly and downwardly directed slats is very advantageous because damage due to the closed slats are avoided and also an extreme compression of the slats does not lead to a fraction of the same free end can move axially and thus a compensation path is available in the longitudinal direction.

Solche bekannten Kontaktfedern werden hauptsächlich bei der Kontaktierung von Antennenverstärkem mit Antennenstrukturen, die sich in oder auf einem flächigen Bauteil eines Fahrzeuges, insbesondere einer Scheibe, befinden, eingesetzt.Such known contact springs are mainly used in the contacting of antenna amplifiers with antenna structures, which are located in or on a flat component of a vehicle, in particular a disc.

Aus der EP 1 080 513 ist bekannt, dass ein aus Kunststoff gefertigter Trägerrahmen auf das flächige Bauteil des Fahrzeuges (hier die Heckscheibe) geklebt wird und in den Rahmen die Platine eines Antennenverstärkers eingesetzt wird. Die Platine des Antennenverstärkers trägt an den Stellen, an denen eine Kontaktierung mit Kontaktflächen der Fahrzeugscheibe erfolgen soll, festgelötete und abstehende Kontaktfedern, die als Kontaktarm mit einem freien, abstehenden Ende ausgebildet sind. Hierbei besteht die Gefahr, dass solche abstehenden Kontaktfedern umgebogen oder abgebrochen werden, insbesondere wenn der Antennenverstärker bei einem Zulieferer des Fahrzeugherstellers gefertigt und danach an den Produktionsort des Fahrzeuges gebracht wird. Werden solche abstehenden Kontaktfedern verbogen, ist die erforderliche Federcharakteristik verstellt oder im schlimmsten Fall unbrauchbar geworden, so dass kein Kontakt zu der Kontaktfläche auf der Fahrzeugscheibe oder kein ausreichender Kontaktdruck zur Verfügung steht Daher kommen anstelle der aus der EP 1 080 513 bekannten Kontaktfedern, die an der Platine des Antennenverstärkers festgelötet sind, die lamellenförmigen Kontaktfedern aus der EP 1 523 069 zum Einsatz.From the EP 1 080 513 It is known that a carrier frame made of plastic on the flat component of the vehicle (here the rear window) is glued and in the frame, the board of an antenna amplifier is used. The board of the antenna amplifier carries at the locations where a contact with contact surfaces of the vehicle window is to take place, festgelötete and projecting contact springs, which are designed as a contact with a free, projecting end. There is the risk that such protruding contact springs are bent over or broken off, in particular if the antenna amplifier is manufactured by a supplier of the vehicle manufacturer and then brought to the production location of the vehicle. If such projecting contact springs bent, the required spring characteristic is adjusted or become unusable in the worst case, so that no contact with the contact surface on the vehicle windshield or sufficient contact pressure is available Therefore come instead of from the EP 1 080 513 known contact springs, which are soldered to the board of the antenna amplifier, the lamellar contact springs from the EP 1 523 069 for use.

Versuche mit den Kontaktfedern, die eine Geometrie aus der EP 1 523 069 aufweisen, haben aber gezeigt, dass diese an sich bekannten lamellenartigen Kontaktfedern noch verbesserungswürdig sind.Try using the contact springs, which have a geometry from the EP 1 523 069 but have shown that these known lamellar contact springs are still in need of improvement.

US 2005/0020158 offenbart eine Anordnung, aufweisend eine Kontaktfeder und Kontaktflächen nach dem Oberbegriff des Anspruchs 1. US 2005/0020158 discloses an arrangement comprising a contact spring and contact surfaces according to the preamble of claim 1.

Darstellung der ErfindungPresentation of the invention

Der Erfindung liegt daher die Aufgabe zu Grunde, die bekannten lamellenartigen Kontaktfedern dahin weiter zu verbessern, dass sie hinsichtlich ihrer Anwendung bei der Kontaktierung von elektronischen Geräten, insbesondere Antennenverstärkem, in Fahrzeugen mit elektrisch leitenden Strukturen in flächigen Bauteilen, insbesondere Antennenstrukturen in Fahrzeugscheiben, optimiert sind.The invention is therefore based on the object to further improve the known lamellar contact springs that they are optimized in terms of their application in the contacting of electronic devices, in particular Antennenverstärkem, in vehicles with electrically conductive structures in planar components, in particular antenna structures in vehicle windows ,

Diese Aufgabe ist durch die Merkmale des Anspruchs 1 gelöst.This object is solved by the features of claim 1.

Gemäß dem Patentanspruch 1 ist erfindungsgemäß vorgesehen, dass die zumindest eine Kontaktstelle der Kontaktfeder eine Beschichtung aufweist, vorzugsweise die Kontaktstellen der Kontaktfeder eine Beschichtung aufweisen, wobei das jeweilige Material der Beschichtung der Kontaktfeder dem Material der Kontaktfläche angepasst ist. Das bedeutet, dass die Kontaktfeder aus einem ersten Material besteht, das als Grundmaterial zu bezeichnen ist. In den Bereichen und den Bereichen daneben, mit denen die Wölbungen der Lamellen an den Kontaktflächen zur Anlage bringbar sind, weist entweder das Grundmaterial der Kontaktfeder das gleiche Material wie die Kontaktfläche selber auf. Dadurch lässt sich eine Kontaktkorrosion weitestgehend vermeiden oder wird sogar vollständig vermieden. Für den Fall, dass das Grundmaterial der Kontaktfeder ein anderes Material ist als die eine Kontaktfläche oder sogar ein anderes ist als beide Kontaktflächen, ist vorgesehen, die Kontaktstellen der Lamellen der Kontaktfeder mit dem gleichen Material zu versehen, aus dem die Kontaktfläche besteht, so dass die einander anliegenden Bereiche aus gleichem Material bestehen. Das bedeutet, dass die Beschichtung der Kontaktstellen der Kontaktfeder aus dem gleichen Material besteht, wie die Kontaktflächen, an denen die Lamellen zur Anlage bringbar sind. Dabei ist es durchaus denkbar, dass das Grundmaterial der Kontaktfeder aus einem ersten Material besteht, wobei die beiden Kontaktflächen aus von diesem Material unterschiedlichen Materialien bestehen und die Kontaktstellen der Lamellen mit den jeweiligen Materialien überzogen werden, mit denen sie später an der Kontaktfläche zur Anlage bringbar sind. Damit wird wirksam vermieden, dass bei Kontakt (Anlage) von zwei unterschiedlichen elektrisch leitfähigen Materialien das unedlere angegriffen und aufgelöst wird. Das bedeutet mit anderen Worten, dass das Material der Kontaktfläche und das Material der Kontaktstelle der Lamelle in ihren elektrischen Eigenschaften aufeinander abgestimmt sind, damit Kontaktkorrosionen und Auflösungen der Kontaktflächen weitestgehend oder sogar vollständig vermieden werden. Die Beschichtung der Kontaktstellen der Lamellen kann z.B. durch einen galvanischen Überzug erfolgen, wobei es auch denkbar ist, dass elektrisch leitfähige Materialien aufbringbar sind, die mit elektrisch leitfähigen Materialien vermischt sind (Stichwort: elektrisch leitfähiger Kunststoff). Bei einer typischen Anwendung besteht z.B. die Kontaktfläche auf der Fahrzeugscheibe, an der die Antennenleiterstruktur mit dem Antennenverstärker kontaktiert werden soll, aus Silber, während die Kontaktfläche an dem Endpunkt der Leiterbahn des Antennenverstärkers aus Gold besteht. Würde nun das Grundmaterial der Kontaktfeder insgesamt nur Federblech sein, könnte es zu den geschilderten Auflösungserscheinungen auf Grund der unterschiedlichen Spannungsreihen der Metallmaterialien kommen. Dies wird mit der Erfindung dahingehend vermieden, dass die in Richtung der Kontaktfläche der Fahrzeugscheibe gerichtete Lamellen mit Silber beschichtet werden, während die in Richtung der Kontaktfläche auf der Leiterplatte des Antenneverstärkers gerichteten Lamellen mit Gold überzogen werden, während das Grundmaterial der Kontaktfeder einen Metall die gute Federeigenschaften aufweisst.According to the invention, it is provided that the at least one contact point of the contact spring has a coating, preferably the contact points of the contact spring have a coating, wherein the respective material of the coating of the contact spring is adapted to the material of the contact surface. This means that the contact spring consists of a first material, which is to be referred to as base material. In the areas and the areas next to it, with which the vaults of the slats can be brought to the contact surfaces to the plant, either the base material of the contact spring has the same material as the contact surface itself. As a result, a contact corrosion can be largely avoided or even completely avoided. In the event that the base material of the contact spring is a different material than the one contact surface or even other than both contact surfaces, it is provided to provide the contact points of the blades of the contact spring with the same material of which the contact surface consists, so that the adjacent areas consist of the same material. This means that the coating of the contact points of the contact spring consists of the same material as the contact surfaces on which the lamellae can be brought into contact. It is quite conceivable that the base material of the contact spring consists of a first material, wherein the two contact surfaces made of different materials of this material and the contact points of the slats are coated with the respective materials, with which they can later be brought to the contact surface to the plant are. This effectively avoids that when contact (plant) of two different electrically conductive materials the less noble is attacked and dissolved. In other words, this means that the material of the contact surface and the material of the contact point of the lamella are matched in their electrical properties, so that contact corrosion and dissolution of the contact surfaces are largely or even completely avoided. The coating of the contact points of the slats can be done for example by a galvanic coating, wherein it is also conceivable that electrically conductive materials can be applied, which are mixed with electrically conductive materials (keyword: electrically conductive plastic). In a typical application, for example, the contact surface on the vehicle window, where the antenna conductor structure is to be contacted with the antenna amplifier, consists of silver, while the contact surface at the end point of the track of the antenna amplifier is made of gold. If now the base material of the contact spring would be only spring plate in total, it could lead to the described phenomena of resolution due to the different voltage series of the metal materials. This is avoided with the invention in that the directed in the direction of the contact surface of the vehicle window slats are coated with silver, while in the direction of the contact surface on the circuit board of the antenna amplifier directed fins are coated with gold, while the base material of the contact spring, a metal good Have spring properties.

In einer ergänzenden oder alternativen Ausgestaltung der Erfindung ist gemäß Patentanspruch 2 vorgesehen, dass die Anzahl der Lamellen in Richtung der einen Kontaktfläche und/oder deren Breite unterschiedlich ist zu der Anzahl der Lamellen und/oder deren Breite in Richtung der weiteren Kontaktfläche. Dadurch ist der Vorteil gegeben, dass verschiedene Kontaktkräfte einstellbar sind, denn verschiedene Kontaktoberflächen benötigen auf Grund ihrer Abmessungen und/oder Materialien verschiedene Kontaktkräfte, die durch die Anzahl der Lamellen und/oder deren Breite optimal eingestellt werden kann. Insbesondere ist es möglich, dass durch schmalere Lamellen die Kontaktkraft reduziert und somit der Abrieb um die Kontaktfläche herum ebenfalls reduziert werden kann. Gleichzeitig werden z. B. bei schmaleren Lamellen auf Grund der höheren Anzahl der Lamellen die erforderlichen Federkräfte bereitgestellt. Ist jedoch der Effekt erwünscht, dass die Federkraft auf beiden Seiten der Kontaktfeder gleich ist, kann auch die Gesamtbreite aller Lamellen auf jeder Seite der Kontaktfeder gleich sein. Dies bedeutet, dass bei unterschiedlicher Breite und unterschiedlicher Anzahl der Lamellen auf der einen und auf der anderen Seite trotzdem die Federkraft bzw. der Federweg gleich ist. Werden jedoch unterschiedliche Federkräfte und/oder Federwege erforderlich, kann dies durch die erfindungsgemäße Auslegung der Lamellen auch ermöglicht werden. Ist jedoch der Effekt erwünscht, dass die Kontaktkraft auf beiden Seiten der Kontaktfeder gleich ist, kann auch die Anzahl aller Lamellen auf jeder Seite der Kontaktfeder gleich sein. Dies alles lässt sich gezielt und gerichtet bei der erfindungsgemäßen Kontaktfeder einstellen, da diese nur auf ihrer einen Seite befestigt wird und das freie Ende aufweist, so dass hier in gezielter und vor allen Dingen bekannter Längenausgleich möglich ist. Bei einer Kontaktfeder, die an beiden Enden eingespannt wäre, wäre diese gezielte und gerichtete Auslegung nicht möglich.In a supplementary or alternative embodiment of the invention, it is provided according to claim 2 that the number of lamellae in the direction of the one contact surface and / or the width thereof is different from the number of lamellas and / or their width in the direction of the further contact surface. This provides the advantage that different contact forces are adjustable, because different contact surfaces require different contact forces due to their dimensions and / or materials, which can be optimally adjusted by the number of slats and / or their width. In particular, it is possible that the contact force is reduced by narrower blades and thus the abrasion around the contact surface can also be reduced. At the same time z. B. provided on narrower slats due to the higher number of slats, the required spring forces. However, if the effect is desired that the spring force is equal on both sides of the contact spring, the total width of all the fins on each side of the contact spring may be the same. This means that with different width and different number of slats on one side and on the other side, the spring force and the spring travel is the same. However, if different spring forces and / or spring travel required, this can be achieved by the inventive design of Slats are also possible. However, if the effect is desired that the contact force on both sides of the contact spring is the same, the number of all fins on each side of the contact spring may be the same. All this can be targeted and directed set in the contact spring according to the invention, since it is attached only on one side and has the free end, so that is possible here in targeted and above all known length compensation. For a contact spring, which would be clamped at both ends, this targeted and directed interpretation would not be possible.

In einer weiteren Ausgestaltung der Erfindung ist vorgesehen, dass das Befestigungsende der Kontaktfeder in nur einer vorgebbaren Position an einem Träger, einem Trägerrahmen, einer Trägerplatte oder dergleichen festlegbar ist. Hierzu ist in besonders vorteilhafter Weise das Befestigungsende der Kontaktfeder und/oder der Befestigungsbereich des Trägers, an dem das Befestigungsende der Kontaktfeder festgelegt wird, formmäßig so ausgelegt, dass eben nur die eine Position der Kontaktfeder an den Träger möglich ist. Hierzu gibt es verschiedene Formgebungen, genauso wie verschiedene Befestigungsmöglichkeiten, auf die im Rahmen der Figurenbeschreibung noch eingegangen wird. Die lagerichtige Positionierung der Kontaktfeder in oder an dem Trägerrahmen ist wichtig, da damit einerseits eine automatisierte Montage, gerade vorteilhaft für große Stückzahlen, ermöglicht wird. Außerdem wird somit vermieden, dass unterschiedlich dimensionierte Kontaktfedern in ein und demselben Trägerrahmen zum Einsatz kommen. Dies ist gerade dann wichtig, wenn die Kontaktfeder z.B. auf einen bestimmten Abstand der beiden Kontaktflächen zueinander abgestimmt ist und dieser Abstand z.B. bei verschiedenen Fahrzeugmodellen variieren kann. Die lagerichtige Positionierung der Kontaktfeder in den Trägerrahmen ist außerdem wichtig, um bei unterschiedlichem Kontaktoberflächen und/oder Kontaktkräften diese seitenrichtig zu platzieren.In a further embodiment of the invention, it is provided that the attachment end of the contact spring in only one predeterminable position on a support, a support frame, a support plate or the like can be fixed. For this purpose, in a particularly advantageous manner, the attachment end of the contact spring and / or the mounting region of the carrier on which the attachment end of the contact spring is set, formally designed so that only just one position of the contact spring to the carrier is possible. For this purpose, there are different shapes, as well as various attachment options, which will be discussed in the description of the figures. The correct position positioning of the contact spring in or on the support frame is important because on the one hand an automated assembly, just for large numbers, is possible. In addition, it is thus avoided that differently dimensioned contact springs are used in one and the same support frame. This is especially important when the contact spring is tuned to a certain distance between the two contact surfaces to each other and this distance may vary, for example, in different vehicle models. The correct position positioning of the contact spring in the support frame is also important to place them laterally correct with different contact surfaces and / or contact forces.

Ausführungsbeispiele der Erfindung, auf die diese jedoch nicht beschränkt ist, sind in den Figuren 1 bis 6 gezeigt.Embodiments of the invention, to which, however, is not limited, are in the FIGS. 1 to 6 shown.

Es zeigen:

Figur 1:
die prinzipielle Anordnung einer lamellenartig ausgebildeten Kontaktfeder,
Figur 2:
die Kontaktfeder, die aus einem Grundmaterial mit Federeigenschaften besteht und ein Befestigungsende sowie ein frei bewegbares Ende aufweist,
Figur 3:
die Kontaktfeder mit nach oben und nach unten gerichteten Lamellen,
Figur 4:
die Kontaktfeder, die an einem nicht dargestellten Träger mit ihrem Befestigungspunkt festgelegt ist, so dass sich die frei bewegliche Seite bewegen kann, wenn Axialkräfte auf die Kontaktfeder wirken,
Figur 5:
die Kontaktfeder in einem Träger (insbesondere einem Trägerrahmen zur Aufnahme der Leiterplatte eines Antennenverstärkers) mit Kodierungen zur lagerichtigen Positionierung,
Figur 6:
einen Trägerrahmen (zum Beispiel Träger 10), in dem die zumindest eine Kontaktfeder angeordnet und Anschläge zur Wegbegrenzung für den Federweg integriert sind.
Show it:
FIG. 1:
the basic arrangement of a lamellar contact spring,
FIG. 2:
the contact spring, which consists of a base material with spring properties and has a fastening end and a freely movable end,
FIG. 3:
the contact spring with upward and downward slats,
FIG. 4:
the contact spring, which is fixed to a support, not shown, with its fastening point, so that the freely movable side can move when axial forces act on the contact spring,
FIG. 5:
the contact spring in a carrier (in particular a carrier frame for receiving the printed circuit board of an antenna amplifier) with codes for positionally correct positioning,
FIG. 6:
a support frame (for example, carrier 10) in which the arranged at least one contact spring and stops for travel limitation for the spring travel are integrated.

Die Figur 1 zeigt, soweit im Einzelnen dargestellt, die prinzipielle Anordnung einer lamellenartig ausgebildeten Kontaktfeder 1 zwischen zwei Kontaktflächen 2 und 3, wobei z. B. die Kontaktfläche 2 auf der Seite einer Leiterplatte eines Antennenverstärkers und die Kontaktfläche 3 auf der Seite eines flächigen Bauteils eines Fahrzeuges mit Antennenleiterstruktur angeordnet ist. Ein solcher prinzipieller Aufbau, wie er in Figur 1 gezeigt ist, ist konstruktiv detailliert aus der EP 1 080 513 bekannt.The FIG. 1 shows, as far as shown in detail, the basic arrangement of a lamellar contact spring 1 between two contact surfaces 2 and 3, wherein z. B. the contact surface 2 on the side of a circuit board of an antenna amplifier and the contact surface 3 is arranged on the side of a planar component of a vehicle with antenna conductor structure. Such a basic structure as in FIG. 1 is shown constructively detailed from the EP 1 080 513 known.

Die Figur 2 zeigt, dass die Kontaktfeder 1 aus einem Grundmaterial mit Federeigenschaften besteht und ein Befestigungsende 4 sowie ein frei bewegbares Ende 5 aufweist. Zwischen diesen beiden Enden 4, 5 ist eine lamellenartige Verbindung, einmal in Richtung der Kontaktfläche 2 und einmal in Richtung der Kontaktfläche 3, vorhanden. Diese in Figur 2 gezeigte Formgebung der Kontaktfeder 1 lässt sich durch ein einfaches Stanzverfahren herstellen. Weiter ist in Figur 2 gezeigt, dass die oberen und unteren gewölbten Bereiche, mit denen die Lamellen Ober Kontaktstellen 6, 7 an den Kontaktflächen 2, 3 zur Anlage kommen, mit unterschiedlichen Materialien beschichtet sind. Dabei ist es wichtig, dass die Kontaktstellen 6, 7 eine solche Ausdehnung aufweisen, dass sie nach dem Einbau der Kontaktfeder 1 an ihrem vorgesehenen Einbauort vollständig oder gegebenenfalls überstehend an den Kontaktflächen 2, 3 zur Anlage kommen. Durch diese vollständige Auflage der Kontaktstellen 6, 7 auf den zugehörigen Kontaktflächen 2, 3 werden Kontaktkorrosionen und Abriebe vermieden.The FIG. 2 shows that the contact spring 1 consists of a base material with spring properties and has a mounting end 4 and a freely movable end 5. Between these two ends 4, 5 a lamellar connection, once in the direction of the contact surface 2 and once in the direction of the contact surface 3, is present. This in FIG. 2 shown shaping of the contact spring 1 can be produced by a simple punching process. Next is in FIG. 2 shown that the upper and lower curved areas, with which the lamellae upper contact points 6, 7 come to rest on the contact surfaces 2, 3, are coated with different materials. It is important that the contact points 6, 7 have such an extent that they come after the installation of the contact spring 1 at its intended installation completely or optionally protruding on the contact surfaces 2, 3 to the plant. Through this complete edition of the contact points 6, 7 on the associated contact surfaces 2, 3 contact corrosion and Abriebe be avoided.

Figur 3 zeigt die Kontaktfeder 1 mit nach oben gerichteten Lamellen 8 und nach unten gerichteten Lamellen 9, wobei die Lamellen 8 eine Breite "a" aufweisen und drei Mal vorhanden sind, währen die nach unten gerichteten Lamellen eine größere Breite "b" aufweisen und nur zwei Mal vorhanden sind. Auf Grund dieser Dimensionierung ist die Gesamtbreite der drei Lamellen 8 gleich groß der Gesamtbreite der Lamellen 9, so dass 3 x a = 2 x b bedeutet und zu gleicher Federung (Federweg, Federkraft) führt. Das bedeutet allgemein, dass die Anzahl der Lamellen und/oder deren Breite in Richtung der einen Kontaktfläche unterschiedlich, oder wenn gewünscht, auch gleich ist, zu der Anzahl der Lamellen und/oder deren Breite in Richtung der weiteren Kontaktflächen, so dass gleiche oder unterschiedliche Kontaktkräfte bzw. gleiche oder unterschiedliche Federwege einstellbar sind. So kann beispielsweise durch schmale Lamellen, 8, 9, die Kontaktkraft reduziert (Federkraft durch Anzahl der Lamellen ergibt die Kontaktkraft) werden und somit auch der Abrieb an der Kontaktfläche 2, 3 reduziert oder sogar vermieden werden, weil bei der Belastung der Kontaktfeder 1 mit einer Axialkraft (s. Figur 4) sich die frei bewegliche Seite 5 der Kontaktfeder frei bewegen kann, ohne dass sich die Kontaktfeder 1 an sich verbiegt. FIG. 3 shows the contact spring 1 with upwardly directed fins 8 and downwardly directed fins 9, wherein the fins 8 have a width "a" and are present three times, whereas the downwardly directed fins have a greater width "b" and only two times available. Due to this dimensioning, the total width of the three blades 8 is equal to the total width of the blades 9, so that 3 xa = 2 xb means and to the same Suspension (spring travel, spring force) leads. This generally means that the number of slats and / or their width in the direction of the one contact surface is different, or if desired, also equal, to the number of slats and / or their width in the direction of the further contact surfaces, so that the same or different Contact forces or the same or different spring travel are adjustable. Thus, for example, by narrow slats, 8, 9, reduces the contact force (spring force by number of slats results in the contact force) and thus the abrasion on the contact surface 2, 3 can be reduced or even avoided, because when loading the contact spring 1 with an axial force (s. FIG. 4 ), the freely movable side 5 of the contact spring can move freely, without the contact spring 1 bends itself.

Figur 4 zeigt die Kontaktfeder 1, die an einem nicht dargestellten Träger mit ihrem Befestigungspunkt 4 festgelegt ist, so dass sich die frei bewegliche Seite 5 der Kontaktfeder 1 in Pfeilrichtung oder entgegengesetzt der Pfeilrichtung bewegen kann, wenn von oben bzw. unten die Axialkräfte beim und nach dem Einbau der Kontaktfeder auf die Lamellen wirken. Das bedeutet, dass die von oben und unten wirkenden Axialkräfte eine Auslenkung der frei beweglichen Seite 5 bewirken, gleichzeitig aber auch die erforderlichen Kontaktkräfte bzw. Federwege gehalten werden. FIG. 4 shows the contact spring 1, which is fixed to a support, not shown, with its attachment point 4, so that the freely movable side 5 of the contact spring 1 can move in the direction of arrow or opposite to the direction of the arrow, if from above or below the axial forces during and after Installation of the contact spring acting on the slats. This means that the axial and axial forces acting from above and below cause a deflection of the freely movable side 5, but at the same time the required contact forces or spring travel are maintained.

Figur 5 schließlich zeigt die Kontaktfeder 1 in einem Träger 10 (insbesondere einem Trägerrahmen zur Aufnahme der Leiterplatte eines Antennenverstärkers), wobei die Form des Befestigungsendes 4 der Kontaktfeder 1 und der zugehörige Befestigungsbereich der Kontaktfeder 1 an den Träger 10 auf Grund ihrer Formgebung die Festlegung der Kontaktfeder 1 an dem Träger 10 nur in einer vorgebbaren Position gestatten. Für diese spezielle Codierung und Befestigung der Kontaktfeder 1 an dem Träger gibt es mehrere Möglichkeiten, die schematisch in Figur gezeigt sind. So kann beispielsweise das Befestigungsende 4 der Kontaktfeder 1 abgerundet, abgeschrägt, mit Einbuchtungen oder Ausbuchtungen oder asymmetrischen Formen versehen sein und diese Form korrespondierend der Träger 10 aufweisen. Ist z.B. eine Ecke des Befestigungsendes 4 der Kontaktfeder 1 abgeschrägt, weist der korrespondierende Bereich in oder an dem Träger 10 ebenfalls eine entsprechende Formgebung auf, z.B. auf Grund einer Vertiefung, in die das Befestigungsende 4 eingesetzt wird, oder durch einen entsprechend vorgesehenen schrägen Steg. Daneben ist es auch möglich (s. rechtes Drittel der Figur 5), die Codierung mittels der Befestigungsmittel wie z.B. Rasthaken, Rastnasen, Widerhaken oder dergleichen, zu realisieren. So können beispielsweise der Träger 10 zwei abstehende Dome unterschiedlichen Durchmessers aufweisen, während das Befestigungsende 4 zwei Öffnungen mit ebenfalls unterschiedlichem Durchmesser aufweisen. Allgemein erfolgt die Festlegung der Kontaktfeder 1 an dem Träger 10 durch Kraft- und/oder Formschluss, so z.B. durch Verstemmen, Heißprägen, Ultraschall-Vernieten, Kleben, Rasen, Schrauben oder dergleichen. Daneben ist es noch denkbar, dass mit Herstellung des Trägers 10 in einem Kunststoff-Spritzgussverfahren auch gleichzeitig die zumindest eine Kontaktfeder 1 positioniert wird, so dass eine nachträgliche Montage der Kontaktfeder 1 nach der Herstellung des Trägers 10 entfällt. FIG. 5 Finally, the contact spring 1 in a carrier 10 (in particular a support frame for receiving the circuit board of an antenna amplifier), wherein the shape of the attachment end 4 of the contact spring 1 and the associated mounting portion of the contact spring 1 to the carrier 10 due to their shape defining the contact spring allow on the carrier 10 only in a predetermined position. For this particular coding and attachment of the contact spring 1 to the carrier, there are several possibilities, which are shown schematically in FIG. Thus, for example, the attachment end 4 of the contact spring 1 may be rounded, bevelled, be provided with indentations or bulges or asymmetrical shapes and have this shape corresponding to the carrier 10. For example, if a corner of the attachment end 4 of the contact spring 1 is chamfered, has the corresponding area in or on the Carrier 10 also has a corresponding shape, for example due to a depression into which the attachment end 4 is inserted, or by a correspondingly provided oblique web. In addition, it is also possible (see right third of the FIG. 5 ), the coding by means of fastening means such as latching hooks, locking lugs, barbs or the like to realize. Thus, for example, the carrier 10 may have two protruding domes of different diameters, while the attachment end 4 has two openings also of different diameters. Generally, the determination of the contact spring 1 on the carrier 10 by force and / or positive engagement, such as by caulking, hot stamping, ultrasonic riveting, gluing, lawn, screws or the like. In addition, it is still conceivable that with production of the carrier 10 in a plastic injection molding process, the at least one contact spring 1 is also positioned at the same time, so that a subsequent assembly of the contact spring 1 after the production of the carrier 10 is omitted.

In Figur 6 ist gezeigt, dass in dem verwendeten Trägerrahmen (zum Beispiel Träger 10), in dem die zumindest eine Kontaktfeder angeordnet ist, Anschläge zur Wegbegrenzung für den Federweg integriert sind. Dies ist besonders wichtig, damit während des Transports und bei unsachgemäßer Handhabung der verbauten Kontaktfedern diese nicht beschädigt werden können. Vorzugsweise können diese Anschläge in den Befestigungs- und Einbauelementen der Kontaktfeder vorgesehen werden, aber auch als eigenständige Module am Trägerrahmen kostengünstig angebracht werden. Die Anschläge sind in der Figur 6, Bezugsziffer 11 erkennbar.In FIG. 6 It is shown that in the carrier frame used (for example, carrier 10), in which the at least one contact spring is arranged, stops for Wegbegrenzung for the spring travel are integrated. This is particularly important so that they can not be damaged during transportation and improper handling of the installed contact springs. Preferably, these attacks can be provided in the mounting and mounting elements of the contact spring, but also be installed as independent modules on the support frame cost. The attacks are in the FIG. 6 , Reference numeral 11 recognizable.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1.1.
Kontaktfedercontact spring
2.Second
Kontaktflächecontact area
3.Third
Kontaktflächecontact area
4.4th
Befestigungsendeattachment end
5.5th
freies Endefree end
6.6th
Kontaktstellecontact point
7.7th
Kontaktstellecontact point
8.8th.
obere Lamellenupper fins
9.9th
untere Lamellenlower fins
10.10th
Trägercarrier
11.11th
Anschlägeattacks

Claims (6)

  1. Arrangement having a contact spring (1) and contact surfaces (2, 3), wherein the contact spring has upwardly and downwardly directed lamellae (8, 9) in the direction of the respective contact surfaces (2, 3), wherein the lamellae (8, 9) can be brought into contact with the contact surfaces (2, 3) at contact points (6, 7), characterized in that at least one of the contact points (6, 7) has a coating, wherein the coating of the contact points (6, 7) of the contact spring (1) is composed of the same material as the contact surfaces (2, 3) with which the lamellae (8, 9) can be brought into contact.
  2. Arrangement according to Claim 1, characterized in that the number of lamellae (8) in the direction of the one contact surface (2) and/or the width of said lamellae differs from the number of lamellae (9) in the direction of the further contact surface (3) and/or the width of said lamellae.
  3. Arrangement according to Claim 1 or 2, characterized in that the contact spring (1) has a fastening end (4) and a free end (5), wherein the fastening end (4) is securable to a support (10) in only one predefinable position.
  4. Arrangement according to Claim 3, characterized in that the fastening end (4), because of the shaping thereof or a corresponding shaping of the support (10), is securable to the support (10) by means of a frictional and/or form-fitting connection only in the one predefinable position.
  5. Arrangement according to one of the preceding claims, characterized by the use for making contact between contact surfaces on a sheet-like component of a vehicle, in particular contact surfaces of an antenna conductor structure, and contact surfaces on a printed circuit board of an electronic apparatus, in particular an antenna amplifier.
  6. Arrangement according to one of the preceding claims, characterized in that stops (11) for limiting the spring travel are integrated in the support frame used (for example, support 10), in which the at least one contact spring (1) is arranged.
EP06724177.8A 2005-07-19 2006-04-10 Contact spring in a support frame of an antenna amplifier of a vehicle Active EP1905130B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005033593A DE102005033593B3 (en) 2005-07-19 2005-07-19 Contact spring in a support frame of an antenna amplifier of a vehicle
PCT/EP2006/003242 WO2007009511A1 (en) 2005-07-19 2006-04-10 Contact spring in a support frame of an antenna amplifier of a vehicle

Publications (2)

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EP1905130A1 EP1905130A1 (en) 2008-04-02
EP1905130B1 true EP1905130B1 (en) 2015-06-03

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US (1) US8202132B2 (en)
EP (1) EP1905130B1 (en)
DE (1) DE102005033593B3 (en)
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JP5799352B2 (en) * 2010-11-11 2015-10-21 北川工業株式会社 Conductive member
DE102013200526B4 (en) * 2013-01-16 2019-11-21 Semikron Elektronik Gmbh & Co. Kg Power semiconductor module and method for producing a power semiconductor module
DE102015204641B4 (en) † 2014-06-03 2021-03-25 ArtiMinds Robotics GmbH Method and system for programming a robot
US20190273351A1 (en) * 2018-03-02 2019-09-05 Mersen Usa Newburyport-Ma, Llc Electrical connector

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ATE141717T1 (en) * 1992-05-08 1996-09-15 Multi Contact Ag CONTACT DEVICE
US5975959A (en) * 1996-12-17 1999-11-02 The Whitaker Corporation Smart card connector module
US5907817A (en) * 1996-12-24 1999-05-25 Ericsson Inc. Radiotelephones with coplanar antenna connectors and related assembly methods
DE19727314B4 (en) * 1997-06-27 2012-01-12 Bayerische Motoren Werke Aktiengesellschaft crimp
DE19823202C2 (en) * 1998-05-25 2003-05-28 Hirschmann Electronics Gmbh Vehicle antenna device
CN1247061C (en) * 1998-10-01 2006-03-22 里塔尔电子系统两合公司 Contact spring pressing plate for inserting fixed plate, and contact piece with said plates, especially a front panel of a printed circuit module
JP3286783B2 (en) * 1999-02-18 2002-05-27 日本航空電子工業株式会社 contact
FR2811147B1 (en) * 2000-06-29 2002-12-06 Alstom METHOD FOR MANUFACTURING A STRIP OF ELECTRICAL CONTACT BLADES AND A STRIP OF ELECTRICAL CONTACT BLADES
DE20215634U1 (en) * 2002-10-11 2004-02-19 Pilkington Automotive Deutschland Gmbh Vehicle glass
DE10258101B3 (en) * 2002-12-11 2004-04-08 Hirschmann Electronics Gmbh & Co. Kg Automobile antenna device has contact spring providing electrical connection between antenna structure and antenna amplifier n opposite sides of insulating carrier plate
EP1523069A1 (en) * 2003-10-10 2005-04-13 Hirschmann Electronics GmbH & Co. KG Contact spring for an antenna amplifier
EP1544954A3 (en) * 2003-12-19 2005-08-03 Hirschmann Electronics GmbH & Co. KG Various versions of a contact spring for an antenna amplifier
US7078614B1 (en) * 2005-02-11 2006-07-18 Laird Technologies, Inc. Shielding strips

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DE102005033593B3 (en) 2007-01-04
US20090305579A1 (en) 2009-12-10
WO2007009511A1 (en) 2007-01-25
EP1905130A1 (en) 2008-04-02
US8202132B2 (en) 2012-06-19

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