System for controlling and operating a cow-milking carousel

Details System for controlling and operating a cow-milking carousel System for controlling and operating a cow-milking carousel

A - Human Necessities

01

K

A01K 1/12 (2006.01)

Patent

CA 2171284

In order to control the speed of rotation of a carousel milking installation (1), one selects first the maximum carousel speed. The animals enter the carousel by the entrance (2) and the milking equipment is immediately put in place by the attendant. When the first animal arrives at the second checkpoint (6), a check is made, by means of a light barrier for instance, as to whether the milking equipment has been taken off or not. If it has not yet been taken off, the speed of the carousel is decreased in steps until, at subsequent milking stations (4), the milking equipment has been taken off before the checkpoint (6). When, however, the first checkpoint (5) reports that the milking equipment has already been taken off by then, the speed of the carousel is increased in steps until animals with milking equipment which has not yet been taken off are again reported at the second checkpoint (6). The speed is then reduced again in steps. The control procedure repeatedly alternates and enables the speed of the carousel to be adapted to differences in milking time between different animals.

Afin de réguler la vitesse de rotation d'un manège de traite (1), on règle tout d'abord la vitesse maximale. Les animaux entrent dans le manège par l'entrée (2) et la personne chargée de la traite met les trayeuses immédiatement en place. Lorsque le premier animal arrive au second point de contrôle (6), on vérifie, par exemple à l'aide d'une barrière photoélectrique, si la trayeuse est enlevée ou non. Si elle n'est pas encore enlevée, la vitese est réduite progressivement jusqu'à ce qu'aux postes de traite (4) suivants, la trayeuse ait été enlevée avant le point de contrôle (6). Si le premier point de contrôle (5) signale que la trayeuse a déjà été enlevée, la vitesse est augmentée progressivement jusqu'à ce que le second point de contrôle (6) fasse à nouveau état d'animaux encore munis de trayeuses. La vitesse est ensuite à nouveau réduite progressivement. Ce processus de commande se répète en alternance constante et permet d'adapter la vitesse aux différents temps de traite des animaux.

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