Ultrasonic inspection apparatus

G - Physics – 01 – N

Patent

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Details

G01N 29/26 (2006.01) G01N 29/24 (2006.01)

Patent

CA 2716419

There is provided an ultrasonic inspection apparatus which detects various deviations with respect to an ideal scanning position and achieves, with high accuracy, an ultrasound flaw inspection by autonomously adjusting the deviations. The ultrasonic inspection apparatus according to the present invention is provided with an integrated type ultrasound transducer including an ultrasonic transducer, an integral type ultrasound transducer control unit, an actuator for distance adjustment, an actuator for tilt control, and a distance measuring sensor. The integrated type ultrasound transducer calculates a deviation between a scanning position based on a preliminarily generated scanning path information and an ideal scanning position, and performs a deviation correction processing by autonomously controlling a distance and a tilt between an opening surface of the ultrasound transducer and an inspection region of an object to be inspected in accordance with this deviation.

L'invention concerne un dispositif d'examen ultrasonique capable d'effectuer un examen ultrasonique de haute précision à la recherche de défauts en détectant diverses erreurs par rapport à une position idéale de balayage et de compenser lesdites erreurs de façon autonome. Le dispositif d'examen ultrasonique comprend un transducteur ultrasonique intégré dans lequel sont incorporés un transducteur ultrasonique, une unité intégrée de commande du transducteur ultrasonique, un actionneur régulateur de distance, un actionneur régulateur d'inclinaison et des capteurs de mesure de distance. Le transducteur ultrasonique intégré calcule une erreur entre une position de balayage basée sur des informations de trajet de balayage générées auparavant et la position idéale de balayage, commande de façon autonome la distance et l'inclinaison entre le plan d'ouverture du transducteur ultrasonique et la zone d'examen d'un objet à examiner, et effectue un traitement de correction d'erreur en fonction de l'erreur entre celles-ci.

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