Two-wire layered heater system

Details Two-wire layered heater system Two-wire layered heater system

H - Electricity

05

B

H05B 3/02 (2006.01) G05D 23/24 (2006.01) H05B 3/00 (2006.01) H05B 3/20 (2006.01)

Patent

CA 2546826

A heater system is provided that comprises a layered heater in communication with a two-wire controller, wherein a resistive layer of the layered heater is both a heater element and a temperature sensor. The two-wire controller thus determines temperature of the layered heater using the resistance of the resistive layer and controls heater temperature through a power source. Furthermore, a heater system using a layered heater in communication with a two-wire controller for a specific application of a hot runner nozzle in an injection molding system is provided by the present invention.

L'invention concerne un système de chauffage qui comprend un élément chauffant multicouche en communication avec un contrôleur à deux fils, dans lequel une couche résistive de l'élément multicouche est à la fois un élément chauffant et un capteur de température. Le contrôleur à deux fils détermine ainsi la température de l'élément chauffant multicouche au moyen de la résistance de la couche résistive et commande la température de l'élément chauffant au moyen d'une source d'alimentation. L'invention concerne en outre un système de chauffage faisant intervenir un élément chauffant multicouche en communication avec un contrôleur à deux fils pour une application spécifique d'une buse de moulage par injection à canaux chauffants dans un système de moulage par injection.

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