A magnetic relay system and method capable of...

H - Electricity – 01 – H

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Details

H01H 51/22 (2006.01) H01H 15/00 (2006.01) H01H 50/00 (2006.01) H01H 67/02 (2006.01)

Patent

CA 2251585

A magnetic relay system (10) is implemented to act as a relay driven by a magnetic flux yet cabable of production through micromachining. The magnetic relay system (10) has an electromagnet (15), a movable plate (18), and conductive contacts (19, 22). The contacts are connected to the circuits of outside electrical systems that are to be controlled by the switching of the relay system (10). The plate (18) is movable allowing it to engage both contacts (19, 22) and allow current flow between the contacts (19, 22) or to disengage both contacts (19, 22) and prevent current flow between the contacts (19, 22). The electromagnet (15) provides a sufficient magnetic flux at desired times to move the movable plate (18) and thereby controls whether the movable plate (18) is engaged with the contacts (19, 22). The electromagnet (15), movable plate (18), and the conductive contacts (19, 22) may be formed on a substrate (23) capable of construction using microfabrication techniques.

L'invention concerne un système de relais magnétique (10). Ce système est utilisé comme relais entraîné par un flux magnétique, mais pouvant être produit par micro-usinage. Le système de relais magnétique (10) comporte un électro-aimant (15), une plaque mobile (18) et des contacts conducteurs (19, 22). Ces contacts sont connectés aux circuits des systèmes électriques extérieurs qui doivent être commandés par la commutation du système de relais (10). La plaque (18) est mobile, ce qui lui permet de venir en contact avec les deux contacts (19, 22) et de laisser passer le courant entre ces derniers (19, 22) ou de s'éloigner de ces deux contacts (19, 22) et d'empêcher la circulation du courant entre ces derniers (19, 22). L'électro-aimant (15) fournit un flux magnétique suffisant à des moments requis pour déplacer la plaque mobile (18) et commande ainsi la mise en contact ou l'éloignement de la plaque mobile (18) avec les contacts (19, 22). L'électro-aimant (15), la plaque mobile (18) et les contacts conducteurs (19, 22) peuvent être formés sur un substrat (23) pouvant être construit selon des techniques de microfabrication.

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