Switch device

G - Physics – 01 – R

Patent

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Details

G01R 31/26 (2006.01)

Patent

CA 2544565

Disclosed is a switch device (100) comprising a switch (S3) that is to be tested and is provided with a first connection (206), a second connection (208), and a gate (210) for controlling a resistance between the first connection (206) and the second connection (208). Said switch device (100) further comprises a resistor (R) and an apparatus (200) for supplying a measured current to the first connection (206) of the switch (S3) that is to be tested via the resistor (R). The gate (210) and the first connection (206) of the switch (S3) that is to be tested are coupled to each other in an electrically conductive manner. The inventive switch device (100) also comprises a mechanism for detecting a voltage between the gate (210) and the second connection (208) of the switch (S3) that is to be tested, said voltage being provided as a result of the measured current and indicating whether the switch (S3) that is to be tested is in working order. The inventive switch device (100) makes it possible to especially detect a larger number of potential flaws of the switch (S3) that is to be tested compared to conventional switch devices.

L'invention concerne un système à commutateur (100) qui comprend un commutateur à tester (S3) présentant un premier raccord (206) et un deuxième raccord (208), ainsi qu'un raccord de commande (210) pour commander une résistance entre ce premier (206) et ce deuxième raccord (208). Ledit système à commutateur (100) comprend en outre une résistance (R), ainsi qu'un dispositif (200) destiné à acheminer par l'intermédiaire de la résistance (R) un courant de mesure (R) dans le premier raccord (206) du commutateur à tester (S3), le raccord de commande (210) et le premier raccord (206) du commutateur à tester (S3) étant couplés de façon électriquement conductrice. Ce système à commutateur (100) comprend par ailleurs un dispositif servant à déterminer une tension présente en raison du courant de mesure entre le raccord de commande (210) et le deuxième raccord (208) du commutateur à tester (S3), cette tension indiquant si ledit commutateur à tester (S3) est en état de fonctionnement. Comparativement aux systèmes à commutateur classiques, le système selon l'invention permet de détecter en particulier un plus grand nombre d'erreurs pouvant survenir au niveau du commutateur à tester (S3).

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