EP2109187B1 - Contact à fiche et composants d'automatisation - Google Patents

Contact à fiche et composants d'automatisation Download PDF

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Publication number
EP2109187B1
EP2109187B1 EP08006976.8A EP08006976A EP2109187B1 EP 2109187 B1 EP2109187 B1 EP 2109187B1 EP 08006976 A EP08006976 A EP 08006976A EP 2109187 B1 EP2109187 B1 EP 2109187B1
Authority
EP
European Patent Office
Prior art keywords
plug
contact
insertion region
contacts
plug contact
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.)
Not-in-force
Application number
EP08006976.8A
Other languages
German (de)
English (en)
Other versions
EP2109187A1 (fr
Inventor
Klaus Busch
Gennadij Drehmann
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.)
Siemens AG
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to EP08006976.8A priority Critical patent/EP2109187B1/fr
Publication of EP2109187A1 publication Critical patent/EP2109187A1/fr
Application granted granted Critical
Publication of EP2109187B1 publication Critical patent/EP2109187B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • 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
    • H01R13/04—Pins or blades for co-operation with sockets

Definitions

  • the invention relates to a plug contact with a pin-shaped extending between a first and a second end contact body, which is partially formed as an insertion with decreasing to the first end cross-section. Furthermore, the invention relates to an automation component with a plurality of plug contacts.
  • Automation systems with their automation devices consist of a large number of electronic automation components with different functions, which can be combined according to the required system configuration.
  • Compounds of e.g. digital and analog input and output modules to be in the process to be automated actuators and sensors is preferably done via electrical lines that are connected to the automation system or automation device via connection modules. Should it come to such a connected automation component to a defect, so this can be replaced, without causing the electrical connections to the actuators and sensors must be solved by the connection module.
  • the connections have been made only once during commissioning to the connection module via, for example, screw or a soldering and stripping-free connection technology. This modular exchange minimizes plant downtimes and possible sources of error.
  • An electrical contact between the base unit and the connection module is realized according to the prior art via a pin contact and a socket contact.
  • the pin shape is optimized with regard to the insertion forces in comparison to a conventional plug contact with a linearly extending insertion bevel.
  • the insertion forces can be reduced.
  • the force effects occurring with a contacting and actuation of the plug contact to a corresponding counterpart can be advantageously reduced and thus damage or overstressing of the fasteners or all present in the power flow components can be reduced.
  • the wear of the contact surface is reduced during the plug-in phase without a functional impairment of the contact.
  • the coefficients a, b, c of the third-order polynomial describe an optimum course in addition to the linear progression of the equation of the degree for the lead-in slope the outer boundary line of the surface of the lead-in area.
  • the contact body has a rectangular cross-section.
  • the stability of the plug contact is increased.
  • a bend is located, which is introduced into a correspondingly prepared hole on a printed circuit board and soldered.
  • the insertion region is designed to be tapered in a trapezoidal manner towards the second end.
  • the surface of the trapezoidally extending insertion region has the pin shape optimized with regard to minimum insertion forces, minimal force effects, minimal wear stress and additionally a smaller space requirement.
  • this pin shape optimized in this way the disadvantages of an increased economic outlay for friction-optimized designs of plug contacts can be avoided.
  • the task of reducing the insertion force is achieved in that the plug contacts are configured with the features of claim 1.
  • This automation component is advantageously designed with the functionality of an input / output module.
  • a large number of signal lines from the process must be connected to the automation component. This is usually done via a terminal block, in which, for example, the individual signal wires are brought by means of screw with the plug contacts or with the socket contacts in combination. This time-consuming clamping work only has to be done once. If the automation component has failed, for example due to a fault, the automation component can be disconnected from the signal lines and replaced by simply pulling the connection module. A time-consuming disconnection of the signal lines and after replacement of the automation component re-clamping the signal lines is thus eliminated.
  • the plug contact When mounting a connection module which has socket contacts for receiving a plug contact, the plug contact must overcome a deflection force of the socket contact during the plug-in operation via its insertion force. This power transmission takes place via a normal force on the contact surfaces.
  • the deflection force of the socket contact is equivalent to a required contact force. Due to the contact force u.a. determines a contact resistance. This resistance is i.a. the basis for a current carrying capacity and a temperature increase at the contact point.
  • FIG. 5 The execution according to FIG. 5 is intended to facilitate the understanding of the invention and is not part of the invention.
  • FIG. 1 is a projection in the YZ plane of a plug contact 10 shown as a front view.
  • the plug contact 10 has a first end 12 and a second end 13.
  • a contact body 15 consists in this example of the material steel.
  • the insertion region 17 has an approximate length of 1.5 mm. In this case, the insertion region 17 runs trapezoidally towards the second end 13 at an angle of 15 °.
  • FIG. 2 shows the projection in the XZ plane of the plug contact 10 is a side view.
  • a cross section of the plug contact 10 decreases in the insertion region 17 to the second end 13. This is also illustrated by the configuration in the XY plane, which represents a plan view of the plug contact 10.
  • FIG. 4 is the section A off FIG. 2 shown enlarged.
  • an outer boundary line Y (x) has the improved shape of the pin shape with regard to an optimized insertion force.
  • the pin shape is shown in the lead-in area 17 over the length of the plug contact 10.
  • the plug contact 10 has an extension in the Y direction of about 0.45 mm.
  • This extension B2 of 0.45 mm extends to the first end 12, not shown, of the plug contact 10th

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (5)

  1. Contact ( 10 ) à fiche ayant une corps ( 15 ) de contact, qui s'étend en forme de tige entre une première et une seconde extrémités ( 12, 13 ) et qui est constitué tronçon par tronçon sous la forme d'une partie ( 17 ) d'introduction de section transversale diminuant vers la seconde extrémité,
    caractérisé
    en ce qu'une ligne ( y(x) ) de démarcation extérieure de la partie ( 17 ) d'introduction suit la forme de courbe d'une équation de degré en plus d'un polynôme du troisième ordre, la ligne ( y(x) ) de démarcation de la partie ( 17 ) d'introduction étant décrite par y x = B ⁢ 2 - B ⁢ 1 L x + B ⁢ 1 + ax 3 + b ⋅ x 2 + cx
    Figure imgb0005
    dans lequel, pour minimiser les forces d'enfichage se produisant par une opération d'enfichage dans un contact à douille, les coefficients du polynôme sont choisis a = 0,2, b = -03 et c = 0,1, dans lequel le paramètre ( L ) correspond à la longueur L de la partie d'introduction, le paramètre B1 à une première étendue B1 de la partie d'introduction dans la direction Y à la seconde extrémité ( 13 ) et le paramètre B2 à une deuxième étendue B2 de la partie d'introduction dans la direction Y, la deuxième étendue ( B2 ) s'étendant jusqu'à la première extrémité ( 12 ).
  2. Contact ( 10 ) à fiche suivant la revendication 1, dans lequel le corps ( 15 ) de contact a une section transversale rectangulaire.
  3. Contact ( 10 ) à fiche suivant la revendication 1 ou 2, dans lequel la partie ( 17 ) d'introduction se rétrécit en forme de trapèze vers la seconde extrémité ( 13 ).
  4. Composant d'automatisation ayant une multiplicité de contacts ( 10 ) à fiche, les contacts ( 10 ) à fiche étant disposés pour recevoir un module de connexion enfichable, caractérisé en ce que les contacts ( 10 ) à fiche sont conformés suivant la revendication 1.
  5. Composant d'automatisation suivant la revendication 4, ayant la fonctionnalité d'un module d'entrée/sortie.
EP08006976.8A 2008-04-08 2008-04-08 Contact à fiche et composants d'automatisation Not-in-force EP2109187B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08006976.8A EP2109187B1 (fr) 2008-04-08 2008-04-08 Contact à fiche et composants d'automatisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08006976.8A EP2109187B1 (fr) 2008-04-08 2008-04-08 Contact à fiche et composants d'automatisation

Publications (2)

Publication Number Publication Date
EP2109187A1 EP2109187A1 (fr) 2009-10-14
EP2109187B1 true EP2109187B1 (fr) 2015-10-28

Family

ID=39714237

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08006976.8A Not-in-force EP2109187B1 (fr) 2008-04-08 2008-04-08 Contact à fiche et composants d'automatisation

Country Status (1)

Country Link
EP (1) EP2109187B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021003221A1 (de) * 2021-06-22 2022-12-22 Kostal Kontakt Systeme Gmbh Elektrisches Kontaktelement für einen Steckverbinder und Steckverbinderanordnung mit einem elektrischen Kontaktelement

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090772A (en) * 1977-01-24 1978-05-23 International Telephone And Telegraph Corporation Low insertion force electrical connector
JPS5851677B2 (ja) * 1980-03-31 1983-11-17 富士通株式会社 マルチコネクタ
US4557549A (en) * 1980-06-30 1985-12-10 The Charles Stark Draper Laboratory, Inc. Connector device
DD208710A1 (de) 1982-06-25 1984-04-04 Kontaktbau & Spezmaschbau Veb Elektrischer kontaktstift
SU1379837A1 (ru) * 1986-08-18 1988-03-07 Харьковский политехнический институт им.В.И.Ленина Контактное соединение плоских шин
JPH08162194A (ja) * 1994-11-30 1996-06-21 Hitachi Ltd ピンコンタクト

Also Published As

Publication number Publication date
EP2109187A1 (fr) 2009-10-14

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