Sensor interface

G - Physics – 01 – G

Patent

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Details

G01G 3/12 (2006.01) G01G 3/13 (2006.01) G01G 19/12 (2006.01) G01G 19/414 (2006.01) G01L 1/04 (2006.01) G01L 1/14 (2006.01) G01L 1/18 (2006.01) G01L 1/22 (2006.01)

Patent

CA 2646197

A sensor interface (10) is disclosed including a flexible substrate (12) within which are embedded sensors (22, 24, 26) for measuring physical parameters such as temperature, displacement, velocity, acceleration, stress, strain, pressure and force present between objects (18, 20) such as a railcar bearing (44) and a truck side frame (48) The substrate (12) is positioned between the objects ( 18, 20) of interest Electronic components such as a data processing unit (28), a data storage device (32), a communication device (34), and a power source (38) may also be embedded within the substrate The electronic devices (28, 32, 34, 38) communicate with one another and the sensors (22, 24, 26) to process signals generated by the sensors (22, 24, 26) indicative of the parameters being measured.

L'invention concerne une interface pour un capteur qui inclut un substrat souple dans lequel sont insérés des capteurs conçus pour mesurer des paramètres physiques tels que la température, le déplacement, la vitesse, l'accélération, les contraintes, les déformations, la pression et la force existants entre des objets tels que un palier de véhicule ferroviaire et un longeron de bogie. Le substrat est placé entre les objets qu'on étudie. Des composants électroniques tels qu'une unité de traitement de données, un dispositif d'enregistrement de données, un dispositif de communication et une source d'alimentation peuvent également être insérés dans le substrat. Les dispositifs électroniques communiquent entre eux et avec les capteurs pour traiter les signaux engendrés par les capteurs et indicatifs des paramètres que l'on mesure.

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