Device for determining the pressure between a contact wire...

B - Operations – Transporting – 60 – L

Patent

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B60L 5/28 (2006.01)

Patent

CA 2360331

A device for determining the pressure between a contact wire and a pantograph of an electrically-powered vehicle is provided with a measuring device for the static pressure, which is determined based on the distance between two elastically interconnected components of the pantograph, this being dependant on the static pressure; and an acceleration sensor which is coupled with the pantograph in order to determine the accelerations of the pantograph in the direction of the pressure. The output signal of the acceleration sensor is combined with the output signal of the measuring device in order to calculate the pressure. The acceleration sensor is configured in such a way that it has a seismic mass (3) which is spring-mounted on the pantograph (6). The position of the seismic mass in relation to the pantograph is detected optically and a corresponding optical signal is then transmitted to an optoelectrical converter which is separate from the pantograph in terms of potential.

Dispositif permettant de déterminer la force de contact entre un fil conducteur et un dispositif de prise de courant de véhicule électrique. Le dispositif comprend un dispositif de mesure de la pression statique, qui est déterminée à partir de la distance, elle-même dépendante de ladite pression statique, entre deux composants du dispositif de prise de courant reliés de manière élastique l'un à l'autre; et un capteur d'accélération couplé avec le dispositif de prise de courant, qui détecte les accélérations du dispositif de prise de courant se produisant dans le sens de la pression. Le signal de sortie du capteur d'accélération est combiné avec le signal de sortie du dispositif de mesure, de façon à calculer la pression. Le capteur d'accélération, qui comporte une masse sismique (3) montée par un ressort sur le dispositif de prise de courant (6), dont la position par rapport à ce dernier est déterminée optiquement, transmet le signal lumineux correspondant à un transducteur opto-électrique séparé du dispositif de prise de courant du point de vue du potentiel.

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