Tester for testing signal lines of a flight control system...

G - Physics – 01 – R

Patent

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Details

G01R 31/00 (2006.01) B64F 5/00 (2006.01) G01R 31/28 (2006.01) G01R 31/327 (2006.01)

Patent

CA 2705635

The present invention relates to a tester, its use and a method for testing signal lines of a flight control system for a trimmable horizontal stabilizer (THS) motor of an aircraft. The tester comprises at least one test-relay (52, 54) to be connected with a relay socket of the flight control system, when the signal lines of the flight control system are to be tested, and at least one indicator (60, 70, 80, 90) being electrically connected with the at least one test-relay (52, 54) for indicating whether a voltage being applied to the test-relay (52, 54) is equal to or larger than a predetermined voltage. The method according to the invention comprises the steps of connecting at least one test-relay (52, 54) of a tester (1), in place of the original relay, with the relay socket of the flight control system, applying a voltage to the at least one test-relay (52, 54) and determining whether a voltage being applied to the at least one test-relay (52, 54) is equal to or larger than a predetermined voltage.

L'invention concerne un testeur, son utilisation et un procédé destinés à tester des lignes de signaux d'un système de commande de vol destiné à un moteur de stabilisateur de plan horizontal réglable (THS) d'un aéronef. Le testeur comprend au moins un relais de test (52, 54) destiné à être connecté à un support relais du système de commande de vol, lorsque les lignes de signaux du système sont testées, et au moins un indicateur (60, 70, 80, 90) électriquement connecté à au moins un relais de test (52, 54) pour indiquer si la tension appliquée au relais de test (52, 54) est égale ou supérieure à une tension donnée. Selon l'invention, le procédé comprend les étapes consistant : à connecter au moins un relais de test (52, 54) d'un testeur (1), à la place du relais original, au support relais du système de commande de vol, à appliquer une tension à au moins un des relais de test (52, 54) et à déterminer si la tension appliquée à ce relais de test (52, 54) est égale ou supérieure à une tension donnée.

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