Non-contact temperature control and method for laundry ironers

D - Textiles – Paper – 06 – F

Patent

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Details

D06F 75/26 (2006.01) D06F 67/02 (2006.01)

Patent

CA 2239269

An apparatus and a method controls a heating device in a laundry ironer. The apparatus includes a frame and an ironer cylinder. The ironer cylinder rotatably connects to the frame and has an interior surface and an exterior surface. The interior and exterior surfaces extend substantially from a first end to a second end of the ironer cylinder. A line of sight temperature sensor connectsto the frame near the first end wherein a line of sight of the sensor is directed at a portion of the interior surface of the cylinder. As the ironer cylinder rotates and is heated by a heating element, the temperature of a portion of the interior surface is sensed. Based on the temperature and a threshold, the state of the heating element is changed.

La présente invention a pour objet un dispositif ainsi qu'une méthode pour la régulation d'un élément chauffant de machine à repasser. La machine à repasser en question comporte un bâti ainsi qu'un cylindre de repassage. Le cylindre de repassage tourne à l'intérieur du bâti et comporte une surface intérieure et une surface extérieure. La longueur des surfaces intérieure et extérieure du cylindre correspond essentiellement à la pleine largeur du cylindre. Un capteur thermique à portée optique est monté sur le bâti à proximité de la première extrémité du cylindre et orienté vers une portion de la surface intérieure du cylindre. Durant sa rotation, alors qu'il est chauffé par un élément chauffant, un capteur mesure la température d'une partie de la surface intérieure du cylindre de repassage. Le fonctionnement de l'élément chauffant est modifié en fonction des données de température et du point de consigne.

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