Improvements in automated fluid flow systems

Details Improvements in automated fluid flow systems Improvements in automated fluid flow systems

G - Physics

05

D

G05D 7/06 (2006.01) E03C 1/05 (2006.01) E03D 5/10 (2006.01) F16K 31/02 (2006.01) G01J 1/32 (2006.01) G01V 8/12 (2006.01) G05D 25/02 (2006.01)

Patent

CA 2304091

Accordingly to a first invention, there is provided a control device for an automated fluid flow system which includes an overriding device for enabling or disabling the automated fluid flow system in which a transmitter emits signals and reception of reflected signals by a receiver is used to initiate perdetermined actions which overriding device comprises: (a) light sensing means to measure the amount of light at or adjacent to the automated system; (b) comparison means to compare the amount of light measured by the light sensing means to at least one predetermined threshold amount of light and in response to such comparison initiate an enabling signal if the threshold amount has been exceeded or a disabling signal if the threshold amount has not been exceeded; and (c) overriding means to receive the enabling signal and cause the automated system to be enabled and to receive the disabling signal and cause the automated system to be disabled.

L'invention concerne un dispositif de commande destiné à un système d'écoulement fluidique automatisé et comprenant un dispositif de commande prioritaire, qui active ou inactive ledit système, un émetteur, qui transmet des signaux, et un récepteur, qui utilise la réception des signaux réfléchis pour lancer des actions prédéterminées. Le dispositif de commande prioritaire comprend (a) un dispositif photodétecteur, qui mesure la quantité de lumière au niveau ou près du système automatisé; (b) un dispositif de comparaison, qui compare la quantité de lumière mesurée par le dispositif photodétecteur à au moins une quantité seuil prédéterminée de lumière et qui, en réponse à ladite comparaison, émet un signal d'activation si la quantité seuil a été dépassée ou bien un signal d'inactivation si ladite quantité n'a pas été dépassée; et (c) un dispositif de commande prioritaire, qui soit reçoit le signal d'inactivation et active le système automatisé, soit reçoit le signal d'inactivation et inactive ledit système.

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