G - Physics – 01 – M
Patent
G - Physics
01
M
G01M 3/28 (2006.01) G01F 1/708 (2006.01)
Patent
CA 2672255
The invention relates to a method for detecting and/or quantifying water leaks in a water pipe, and to a device for realising said method. The method of the invention comprises measuring the water flow rate in the pipe in at least two different locations, i.e. one downstream and one upstream relative to the suspected leak, the water flow rate being measured by injecting a tracing agent that modifies the water conductivity instantaneously at an upstream location and a downstream location relative to the suspected leak location, continuously measuring the water conductivity downstream from said locations and, from the conductivity values, calculating the water flow rates upstream and downstream relative to the suspected leak location in the pipe. The method of the invention can be used for quantifying a leak flow rate that can even be a very small one.
L'invention concerne un procédé de détection et/ou de quantification de fuites d'eau sur une canalisation d'eau ainsi qu'un dispositif pour la mise en oeuvre de ce procédé. Le procédé de l'invention consiste à mesurer le débit de l'eau s'écoulant dans la canalisation en au moins deux points distincts, l'un en aval, et l'autre en amont, du point de fuite supposée, la mesure du débit de l'eau étant effectuée en injectant de manière instantanée en un point en amont, et en un point en aval, du point de fuite supposée, un traceur modifiant la conductivité de l'eau, en mesurant la conductivité de l'eau en continu en aval de ces points et en calculant à partir des valeurs de conductivité les débits d'eau s'écoulant en amont, et en aval du point de fuite supposée dans la canalisation. Le procédé de l'invention trouve application dans le domaine de la quantification d'un débit de fuite même très faible.
Burghoffer Patrick
Getto Daniel
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