Method and apparatus for dynamic braking of a barrier operator

E - Fixed Constructions – 05 – F

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E05F 15/16 (2006.01) H02P 3/12 (2006.01)

Patent

CA 2461023

A method and apparatus for controlling a barrier movement operator comprising a controller (18) that dynamically controls barrier operator braking to electronically slow, stop or reverse the motor in the barrier operator controller. The apparatus includes a source of electrical power (10) for providing the necessary power to operate the apparatus, a converter (14) for supplying power to a DC motor (16), and a controller for enabling dynamic brakingof the movable barrier operator using electronic braking of the electric motor. The dynamic braking of the motor gradually slows movement of the barrier operator, thereby reducing forces acting on the motor and on the barrier.

L'invention porte sur un procédé et sur un appareil de commande d'un actionneur de mouvement de barrière, cet appareil comprenant un contrôleur qui commande de manière dynamique le freinage de l'actionneur de barrière de façon à ralentir, stopper ou inverser électriquement la marche du moteur. L'appareil comprend également une source de courant électrique qui envoie le courant nécessaire pour son fonctionnement, un convertisseur qui alimente le moteur à courant continu et un contrôleur qui permet le freinage dynamique de l'actionneur de la barrière mobile par freinage électronique du moteur électrique. Le freinage dynamique du moteur ralentit progressivement le mouvement de l'actionneur de barrière, ce qui réduit les forces agissant sur le moteur et sur la barrière.

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