A method of arranging several relay functions and a multiple...

H - Electricity – 01 – H

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Details

H01H 51/00 (2006.01) H01H 67/22 (2006.01) H04Q 1/18 (2006.01)

Patent

CA 2233649

To reduce the cost of providing a multiple relay arrangement, the arrangement has been constructed with a common fixed part (6) having permanent magnets (7), a common movable part (10) having permanent magnets (11), and fixed coils (9) having magnetically actuable movable cores (8) connected to a respective contact means (12). By connecting the coils to a source of electric current, the magnetically actuable cores can be caused to move in one or the other direction, depending on the direction of the current. When wishing to establish an electrical contact through the coupling means (12) of the multiple relay arrangement, current is passed through the coil (9') in one direction and through the remaining coils (9) in the opposite direction. In the contact making state of the arrangement, the core (8') will be repelled by the permanent magnet (7') on the fixed part (6) and attracted by the permanent magnet (11') on the movable part (10) during its movement. The coupling means (12') connected to the core (8') can then be used to connect together telecommunications conductors for instance. Remaining cores (8) are attracted by the fixed permanent magnets (7) and not moved, although the part (10) will be moved away from the fixed part (6) by virtue of the repulsion force acting between the cores (8) and the magnets (11).

Pour réduire le coût d'un montage à relais multiples, on utilise une partie commune fixe (6) pourvue d'aimants permanents (7), une partie commune mobile (10) pourvue d'aimants permanents (11) et des bobines fixes (9) à noyaux mobiles (8) à commande magnétique connectés à leur moyen de couplage respectif (12). Lorsqu'on raccorde les bobines à une source de courant électrique, les noyaux (8) se déplacent dans un sens ou un autre selon le sens du courant. Lorsqu'on désire établir un contact électrique par l'intermédiaire du moyen de couplage (12), le courant passe dans une bobine (9') dans un sens et dans les autres bobines (9) dans le sens inverse. Lorsqu'un contact est établi, le noyau (8') est repoussé par l'aimant permanent (7') de la partie fixe (6) et attiré par l'aimant permanent (11') de la partie mobile (10) pendant son déplacement. Le moyen de couplage (12') relié au noyau (8') peut par exemple servir à connecter entre eux des conducteurs de télécommunications. Les noyaux restants (8), attirés par les aimants permanents fixes (7), ne bougent pas bien que la partie (10) émerge de la partie fixe (6) sous l'effet des forces de répulsion agissant entre les noyaux et les aimants (11).

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