Probe tip thermal isolation and fast prediction algorithm

Details Probe tip thermal isolation and fast prediction algorithm Probe tip thermal isolation and fast prediction algorithm

G - Physics

01

K

G01K 7/42 (2006.01) G01K 7/22 (2006.01)

Patent

CA 2451652

A prediction type electronic thermometer having an actively controlled heater element thermally isolating the probe tip from the probe shaft. Rapid and accurate temperature measurements are made using predictive algorithms. Control circuitry reads input from the temperature sensing element to compute best heater control signals so that the temperature of the probe shaft rapidly follows changes in the temperature of the probe tip. Thermal isolation between probe shaft and tip impedes heat flow from the heater element to the tip providing more accurate measurements. Rapid and accurate management of shaft temperature allows heat from the patient being measured to be most efficiently transmitted to the temperature sensor element resulting in very fast temperature measurements.

Cette invention concerne un thermomètre électronique avec élément chauffant à commande active qui isole l'embout de sonde de la tige de sonde. L'application d'algorithmes prédictifs permet de mesurer des températures rapidement et avec précision. Un circuit de commande, qui lit l'entrée de l'élément de détection de température, calcule les meilleurs signaux se commande de chauffage de telle sorte que la température de la tige de sonde s'ajuste rapidement aux variations de température de l'embout de sonde. L'isolation thermique entre la tige de sonde et l'embout de sonde empêche la chaleur de passer de l'élément chauffant à l'embout, ce qui garanti des relevés plus précis. La commande rapide et précise de la température de la tige de sonde favorise la transmission de la température du patient dont la température est en train d'être mesurée à l'élément thermosensible, ce qui permet de mesurer très rapidement la température.

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