Room temperature sensor and thermostat control device

G - Physics – 05 – D

Patent

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Details

G05D 23/19 (2006.01) G01K 1/00 (2006.01) G05D 23/02 (2006.01)

Patent

CA 2203476

A thermostat control having improved user controls wherein an analog version contains a binary coded switch for selectively setting a setpointtemperature. The binary coded switch is configured to have discrete positions corresponding to a plurality of setpoint temperature settings. It contains, among other things, a resistor network configured to produce a setpoint signal indicative of the binary coded switch position and a setpoint adjust switch for setting thebinary coded switch position. Also, digital version having a man-machine interface port, wherein point information from a controller can be viewed and modified with the thermostat control device controls when a hardware passkey is inserted into the man-machine interface port.

Cette invention concerne un thermostat à commandes de réglage améliorées dont la version analogique comporte un interrupteur à codage binaire permettant de régler la température de consigne. L'interrupteur à codage binaire comporte des positions discrètes correspondant à une pluralité de point de consigne. Il renferme, entre autres, un réseau de résistances conçu pour produire un signal de consigne correspondant à la position du l'interrupteur à codage binaire et un sélecteur de réglage du point de consigne déterminant la position de l'interrupteur à codage binaire. L'invention concerne également une version numérique à interface homme-machine où l'on peut visionner et modifier le point de consigne affiché par un contrôleur, au moyen des commandes du thermostat lorsqu'un clé matérielle est insérée dans l'interface homme-machine.

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