H - Electricity – 02 – H
Patent
H - Electricity
02
H
H02H 9/00 (2006.01)
Patent
CA 2685525
An industrial process field device (200) is provided. The device (200) includes wireless process field device electronics (412; 512; 612; 712; 812) disposed within the industrial process field device (200) and at least one battery cell (326; 442; 552; 652; 742; 842) disposed within the industrial process field device (200) and operably coupled to the wireless process field device electronics (412; 512; 612; 712; 812). A circuit (400; 500; 600; 700; 800; 900) is provided that senses an electrical characteristic related to the at least one cell (326; 442; 552; 652; 742; 842) and provides an output to a switch (418; 518; 610; 718; 818) to decouple the at least one cell (326; 442; 552; 652; 742; 842) from the industrial process field device electronics (412; 512; 612; 712; 812) in response to certain conditions. Such conditions include too much current flowing from the at least one cell (326; 442; 552; 652; 742; 842); the voltage of the at least one cell (326; 442; 552; 652; 742; 842) being too low; or a short circuit being generated or otherwise observed.
L'invention concerne un dispositif de commande de processus industriel (200). Le dispositif (200) comprend des composants électroniques de dispositif de commande de processus sans fil (412; 512; 612; 712; 812) disposés à l'intérieur du dispositif de commande de processus industriel (200) et au moins un élément de batterie (326; 442; 552; 652; 742; 842) disposé à l'intérieur du dispositif de commande de processus industriel (200) et couplé de façon fonctionnelle aux composants électroniques de dispositif de commande de processus sans fil (412; 512; 612; 712; 812). Un circuit (400; 500; 600; 700; 800; 900) est prévu, lequel détecte une caractéristique électrique liée aux éléments de batterie (326; 442; 552; 652; 742; 842) et fournit une sortie à un commutateur (418; 518; 610; 718; 818) pour découpler les éléments de batterie (326; 442; 552; 652; 742; 842) des composants électroniques de dispositif de commande de processus industriel (412; 512; 612; 712; 812) en réponse à certaines conditions. De telles conditions comprennent un courant excessif circulant à partir des éléments de batterie (326; 442; 552; 652; 742; 842) ; la tension des éléments de batterie (326; 442; 552; 652; 742; 842) est trop faible ; ou un court circuit est généré ou autrement observé.
Johnson James A.
Nelson Richard L.
Rosemount Inc.
Smart & Biggar
LandOfFree
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