EP2896092B1 - Élément de contact - Google Patents

Élément de contact Download PDF

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Publication number
EP2896092B1
EP2896092B1 EP13742391.9A EP13742391A EP2896092B1 EP 2896092 B1 EP2896092 B1 EP 2896092B1 EP 13742391 A EP13742391 A EP 13742391A EP 2896092 B1 EP2896092 B1 EP 2896092B1
Authority
EP
European Patent Office
Prior art keywords
contact
contact element
mating
point
points
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.)
Active
Application number
EP13742391.9A
Other languages
German (de)
English (en)
Other versions
EP2896092A1 (fr
Inventor
Martin Zebhauser
Willem Blakborn
Helmut MÜHLFELLNER
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.)
Rosenberger Hochfrequenztechnik GmbH and Co KG
Original Assignee
Rosenberger Hochfrequenztechnik GmbH and Co KG
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 Rosenberger Hochfrequenztechnik GmbH and Co KG filed Critical Rosenberger Hochfrequenztechnik GmbH and Co KG
Publication of EP2896092A1 publication Critical patent/EP2896092A1/fr
Application granted granted Critical
Publication of EP2896092B1 publication Critical patent/EP2896092B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/22Contacts for co-operating by abutting
    • H01R13/24Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2464Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the contact point
    • H01R13/2492Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the contact point multiple contact points
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/03Contact members characterised by the material, e.g. plating, or coating materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/10Sockets for co-operation with pins or blades
    • H01R13/11Resilient sockets
    • H01R13/111Resilient sockets co-operating with pins having a circular transverse section
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/22Contacts for co-operating by abutting
    • H01R13/24Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/22Contacts for co-operating by abutting
    • H01R13/24Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2442Contacts for co-operating by abutting resilient; resiliently-mounted with a single cantilevered beam
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/26Pin or blade contacts for sliding co-operation on one side only
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581Shield structure
    • H01R13/6582Shield structure with resilient means for engaging mating connector

Definitions

  • the invention relates to a contact element having at least one contact point for contacting a contact surface of a mating contact element.
  • Such contact elements come u.a. used in connectors, via the conductors for the transmission of electrical power or signals are connected to each other.
  • the contact element In order to achieve a low-loss transmission of the electrical energy or the signals, it is necessary that the contact element permanently contacts the contact surface of the mating contact element.
  • External influences such as in particular mechanical loads on the connector, a vibration load or thermal influences must not significantly affect the transmission capacity.
  • the contact elements may be formed, for example in the form of a spring tab, which is elastically deflected in contact with the mating contact element.
  • Contact elements often comprise a base body made of metal, which is provided with a coating which, in relation to the material of the base body u.a. characterized by a better contact resistance in conjunction with the mating contact element.
  • the coating wears out relatively quickly in the case of a vibration load, i. is removed.
  • the contact resistance may increase and the contact element or the entire plug connection in which it is used become unusable.
  • the present invention seeks to improve a generic contact element in terms of life.
  • a contact part with a plurality of contact elements according to the invention and a system comprising a contact element according to the invention or a contact part according to the invention and a complementary mating contact element are the subject matter of the independent claims.
  • Advantageous embodiments of the contact element according to the invention and the contact part according to the invention are the subject of the dependent claims and will become apparent from the following description of the invention.
  • a generic contact element for electrically contacting a contact surface of a mating contact element is further developed in that at least two contact points are formed, the two contact points differing in their new state with respect to their distance to the contact surface of the mating contact element, so that contacted in new condition, a first of the contact points the contact surface and after a defined wear of the first contact point, the second contact point (possibly together with the first contact point) contacts the contact surface.
  • a contact element is created whose lifetime can be multiplied compared to generic contact elements, if necessary, since a plurality of contact points are formed which successively enable the transmission of electrical supply energy or signals with low contact resistance.
  • the contact element has a base body and a coating applied to the base body (in at least one section), wherein the second contact point contacts the contact surface, if the coating is reduced or removed in terms of wear in the region of the first contact point.
  • the base body may preferably be formed of metal and in particular a metal based on copper and the coating may also be formed on the basis of a metal and in particular of nickel.
  • the basic body can also be formed from a (possibly electrically conductive) plastic, which in turn can preferably be provided with a metallic coating.
  • At least one, preferably all, of the contact points are / is formed by a (preferably three-dimensionally) curved and, in particular, part-spherical section of a surface of the contact element.
  • a contact point can be obtained, which is further unaffected in terms of positional tolerances of the contact element to the contact surface.
  • the distance difference of the two contact points in the new state of the contact element may preferably be only about 0.02 mm to 0.03 mm. If the contact element comprises a base body with coating, this may also correspond to the preferred thickness of the coating, wherein it may be particularly preferred that the distance difference is slightly smaller than the thickness of the coating. This can ensure that the second contact point the Contact surface already contacted when the coating is completely removed at the first contact point.
  • the contact element according to the invention can advantageously be designed as a spring tab. This allows a simple and cost-effective production of a spring-loaded on the contact surface of the mating contact element adjacent contact element.
  • the invention further relates to a contact part having a plurality of contact elements formed as spring tabs, which are arranged in the form of a spring cage.
  • a “spring cage” is understood to mean a contact part whose contact elements are provided in a spatial arrangement, so that they in particular contact a contact surface of the mating contact element which extends spatially (and thus not completely flat).
  • a spring cage can provide an annular arrangement of the contact elements.
  • the spring cage is (preferably) integrally formed as a bent sheet metal component and in particular as a stamped and bent component.
  • the invention relates to a system comprising a contact element according to the invention or a contact part according to the invention and a mating contact element with a contact surface for contacting the contact element or elements.
  • the contact element according to the invention or the contact part or the system according to the invention is particularly preferably suitable for transmitting high-frequency signals (RF signals).
  • the Fig. 1 to 4 show an embodiment of a system according to the invention with a contact part 1 according to the invention with a plurality of contact elements 2, which contact a mating contact element 3.
  • the system is used to transmit RF signals.
  • the contact part 1 according to the invention is in the form of a spring cage. This is formed by a stamped and bent component with a circular cross section, in the jacket of which the contact elements 2 in the form of spring tabs are integrally integrated.
  • the spring basket (or a main body thereof) is made of a metallic material, such as metal. Spring bronze. Furthermore, a coating may be provided for the base body, e.g. may be based on nickel and can improve the contact resistance between the contact part 1 and the mating contact element 3 in comparison to the spring bronze.
  • the contact elements 2 each form a contact area at their free end.
  • two contact points 4, 5 are provided in these contact areas, which are each formed by the outside of a part-spherical section of the contact elements 2.
  • These Partially spherical sections can be introduced into the contact elements 2 in a simple manner by a forming process.
  • the contact elements 2 are elastically deformed radially outward. As a result, the contact elements 2 are spring-loaded against a contact surface 6 formed by the outside of the mating contact element.
  • the system If the system is permanently exposed to vibrations, i. a vibration load, or a plurality of plug and release movements, in which the contact part 1 is slidably moved on the contact surface 6 of the mating contact element 3 exposed, it can lead to wear of the first contact points 4, in particular to a (partial) removal the coating leads to the first contact points 4.
  • This increasing wear causes the second contact points 5 of the contact elements 2 to approach the contact surface 6 of the mating contact element 3 and contact them at some point. This is preferably done shortly before the coating is completely removed at the first contact points 4.
  • the then present in full strength at the second contact points 5 coating then ensures a further good transmission of the RF signals with a relatively low contact resistance.
  • first (4) and second (5) (and possibly several more) contact points per contact element 2 are provided.

Claims (6)

  1. Système, comprenant un élément de contact (2) pour mettre en contact électrique une surface de contact (6) d'un élément de contact antagoniste (3) et comprenant l'élément de contact antagoniste (3) avec la surface de contact (6) pour mettre en contact l'élément de contact (2),
    dans lequel l'élément de contact (2) comprend un corps de base, qui comprend un revêtement dans au moins une portion, et une zone de contact, qui forme au moins deux emplacements de contact (4, 5),
    caractérisé en ce que
    les deux emplacements de contact (4, 5) se distinguent à l'état neuf quant à la distance à la surface de contact (6) de l'élément de contact antagoniste (3), de telle façon qu'à l'état neuf un premier (4) des emplacements de contact vient en contact avec la surface de contact (6) et qu'après une usure définie du premier emplacement de contact (4), le second emplacement de contact (5) vient en contact avec la surface de contact (6), dans lequel le second emplacement de contact (5) vient en contact avec la surface de contact (6) lorsque le revêtement a été supprimé suite à l'usure dans la région du premier emplacement de contact (4).
  2. Système selon la revendication 1, caractérisé en ce que l'un au moins des emplacements de contact (4, 5) est réalisé par une portion à tracé incurvé d'une surface de l'élément de contact (2).
  3. Système selon l'une des revendications précédentes, caractérisé en ce que la différence de distance est d'environ 0,02 mm à 0,03 mm.
  4. Système selon l'une des revendications précédentes, caractérisé en ce que l'élément de contact (2) est réalisé sous forme de patte élastique.
  5. Système selon l'une des revendications précédentes, comprenant une partie de contact (1) avec une pluralité d'éléments de contact (2), qui sont agencés sous la forme d'une cage à ressort.
  6. Système selon la revendication 5, caractérisé en ce que la partie de contact (1) est réalisée comme un composant en tôle cintré.
EP13742391.9A 2012-09-17 2013-07-22 Élément de contact Active EP2896092B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202012008961U DE202012008961U1 (de) 2012-09-17 2012-09-17 Kontaktelement
PCT/EP2013/002159 WO2014040670A1 (fr) 2012-09-17 2013-07-22 Élément de contact

Publications (2)

Publication Number Publication Date
EP2896092A1 EP2896092A1 (fr) 2015-07-22
EP2896092B1 true EP2896092B1 (fr) 2016-05-25

Family

ID=47173720

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13742391.9A Active EP2896092B1 (fr) 2012-09-17 2013-07-22 Élément de contact

Country Status (9)

Country Link
US (1) US9281598B2 (fr)
EP (1) EP2896092B1 (fr)
JP (1) JP6118903B2 (fr)
KR (1) KR101904088B1 (fr)
CN (1) CN104641513B (fr)
CA (1) CA2884269A1 (fr)
DE (1) DE202012008961U1 (fr)
TW (1) TWM480787U (fr)
WO (1) WO2014040670A1 (fr)

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DE102014020067B3 (de) 2014-07-04 2021-12-02 Röchling Automotive SE & Co. KG Elektrischer Steckkontakt mit leitfähigem Kunststoff und verringertem Kontaktwiderstand
JP2017157415A (ja) * 2016-03-02 2017-09-07 矢崎総業株式会社 接続端子
CN107994375A (zh) * 2016-10-26 2018-05-04 德尔福中央电气(上海)有限公司 一种高载流能力端子弹簧
EP3396793B1 (fr) * 2017-04-28 2020-08-26 Rosenberger Hochfrequenztechnik GmbH & Co. KG Corps de contact pour connecteur à fiche
DE102017209503A1 (de) * 2017-06-06 2018-12-06 Robert Bosch Gmbh Variabler elektrischer Widerstand und Verfahren zum Erkennen eines Verschleißes an einem Schleiferkontakt des variablen Widerstandes
DE102017217332A1 (de) * 2017-09-28 2019-03-28 Zf Friedrichshafen Ag Verfahren zur Ermittlung der Lebensdauer elektrischer Steckverbindungen unter Vibrationsbelastung
CN109713477B (zh) * 2018-11-28 2021-01-26 番禺得意精密电子工业有限公司 电连接器
DE102019114646A1 (de) 2019-05-31 2020-12-03 Te Connectivity Germany Gmbh Steckverbindersystem
US11075488B2 (en) 2019-11-25 2021-07-27 TE Connectivity Services Gmbh Impedance control connector with dielectric seperator rib
US11146010B2 (en) 2019-12-09 2021-10-12 TE Connectivity Services Gmbh Overmolded contact assembly
US11011875B1 (en) 2019-12-10 2021-05-18 TE Connectivity Services Gmbh Electrical cable braid positioning clip
US10978832B1 (en) 2020-02-07 2021-04-13 TE Connectivity Services Gmbh Protection member to protect resilient arms of a contact assembly from stubbing
US11296464B2 (en) 2020-02-14 2022-04-05 TE Connectivity Services Gmbh Impedance control connector

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Also Published As

Publication number Publication date
US9281598B2 (en) 2016-03-08
TWM480787U (zh) 2014-06-21
CN104641513A (zh) 2015-05-20
KR101904088B1 (ko) 2018-10-05
CN104641513B (zh) 2017-07-04
JP2015529962A (ja) 2015-10-08
DE202012008961U1 (de) 2012-10-12
CA2884269A1 (fr) 2014-03-20
EP2896092A1 (fr) 2015-07-22
WO2014040670A1 (fr) 2014-03-20
US20150229058A1 (en) 2015-08-13
KR20150058246A (ko) 2015-05-28
JP6118903B2 (ja) 2017-04-19

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