Liquid level controller

Details Liquid level controller Liquid level controller

G - Physics

01

F

G01F 23/00 (2006.01) E04H 4/00 (2006.01) E04H 4/12 (2006.01) G01F 23/30 (2006.01) G01F 23/62 (2006.01) G01F 23/74 (2006.01) G01F 23/76 (2006.01)

Patent

CA 2321771

A liquid level control system utilizes a sensor that is attached to a fixed support relative to a liquid container and transmits radio-frequency signals to a remotely located liquid supply system depending upon fluctuations in the liquid level. In the context of a swimming pool, the sensor housing is attached to a sidewall of the pool, at the desired water level. A sensor circuit located within the housing floats at the liquid level, and as changes occur, movement of the floating sensor results in the transmission of signals to either activate or deactivate a supply valve that supplies replacement water to the pool. A small opening located at an upper portion of the sensor housing cooperates with the floating sensor to dampen the motion of the sensor, providing a more accurate reading of the liquid level.

L'invention concerne un système de régulation de niveau de liquide, utilisant un capteur attaché à un support fixe sur un réservoir, et de transmission de signaux de fréquence radioélectrique à un système distant d'alimentation, selon les variations du niveau de liquide. S'agissant d'une piscine, le boîtier du capteur est attaché à une paroi de la piscine, au niveau d'eau souhaité. Un circuit du capteur, logé dans le boîtier, flotte à la surface du liquide et, dès qu'un changement apparaît, le mouvement du capteur flottant se traduit par la transmission de signaux activant ou désactivant la vanne d'alimentation qui alimente le bassin en eau de remplacement. Un petit orifice situé sur une partie supérieure du boîtier du capteur interagit avec le capteur flottant pour freiner le mouvement du capteur et permettre ainsi une lecture plus précise de la hauteur de liquide.

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