Studies of connectors for electric and electronic automotive systems have been and still are being pursued. The main criterion for the electrical contact reliability is to minimize the connector insertion force, which mainly depends on the contact force determined by the mechanical design. A non-intrusive technique for contact force determination by deflection measurement of the contact spring during insertion and extraction phase using a laser device has been developed. We have access to the following insertion parameters during the insertion stroke: contact deflection delta which yields the contact force Fc, insertion force Fi and contact resistance Rc. Regarding the results for real connectors, an experimental model of a connector based on a cylindrical pin crossed with a cylindrical spring, is proposed in this paper. With this simple setup, we have made an analytical model, which permits analysis of the influence of each parameter (width, spring radius etc). Based on analysis of the influence of the spring width and of the gap, this study offers the possibility of optimizing the design of such connectors for use in the automotive industry.


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    Title :

    Experimental and analytical models of the connector insertion-extraction phase


    Contributors:


    Publication date :

    2004


    Size :

    6 Seiten, 7 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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