A protective arrangement for electromagnetic coupling and...

H - Electricity – 01 – R

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Details

H01R 4/58 (2006.01) H01R 13/648 (2006.01) H02G 3/16 (2006.01) H04Q 1/18 (2006.01) H05F 3/00 (2006.01) H05K 9/00 (2006.01)

Patent

CA 2242849

An arrangement for connecting electrically two pieces of electronic equipment (19, 20) that have good electromagnetic compatibility properties (EMC), e.g. are protected against electrostatic discharge (ESD), without impairing the properties of any of the pieces of equipment concerned. The arrangement enables work to be carried out on one of the equipments that impairs the EMC properties of this equipment without impairing the properties of the other euquipment connected electrically thereto. The arrangement comprises a tube- like element (4b; 5b; 12, 13) which connects a first cage (16) with a second cage (17). The tube-like element is connected electrically with the two cages and also with the shields (11) of the cables drawn between the cages, wherein the tube-like element is closed sealingly around the cable shields. The opening areas of the holes provided in the sides of the cages for passing the cables therebetween are adapted to the diameters of the cables with the aid of a displaceable plate.

L'invention porte sur un dispositif permettant d'effectuer une connexion électrique entre deux appareils électroniques (19, 20), dotés de bonnes propriétés de compatibilité électromagnétique (EMC), en étant protégées, par exemple, contre des décharges électrostatiques (ESD), sans altérer les propriétés d'aucun des appareils. Ce dispositif permet d'effectuer un travail sur l'un des appareils, susceptible de modifier les propriétés de compatibilité électromagnétique de celui-ci, sans altérer celles de l'autre appareil qui lui est connecté. Ce dispositif comporte un élément analogue à un tube (4b; 5b; 12, 13) établissant une connexion entre une première cage (16) et une seconde cage (17). Cet élément, qui est en connexion électrique avec les deux cages ainsi qu'avec les blindages (11) des câbles tirés entre celles-ci, enveloppe hermétiquement les blindages des câbles. La taille des orifices des trous ménagés dans les cotés des cages pour le passage des câbles est adaptée aux diamètres de ces derniers par le biais d'une plaque mobile.

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