Electrical connection safety apparatus and method

Details Electrical connection safety apparatus and method Electrical connection safety apparatus and method

H - Electricity

01

R

H01R 13/703 (2006.01) H01H 47/00 (2006.01) H01R 13/713 (2006.01) H01R 31/06 (2006.01) H01H 35/00 (2006.01)

Patent

CA 2341676

An electrical connection safety apparatus that eliminates the risk of fire or electric shock associated with current overload faults in electrical systems. The apparatus senses or detects the electrical current rating of electrical appliances or electrical cords or connectors that are plugged into electrical outlets (18, 16a, 16b), and disconnects power whenever the current rating is exceeded. Current rating is indicated by a preset current threshold for the applicance or by a detectable feature associated with an electrical connnector (20, 22, 24a, 24b, 26, 28). Circuitry monitors the load current delivered to the appliance or receptacle (16a, 16b) and connector and compares the load current to detected current rating. When a current overload occurs, power to the appliance or receptacle and connector is disconnected (42).

L'invention concerne un appareil de sécurité de connexion électrique qui élimine le risque d'incendie ou de décharge électrique lié aux pannes de courant de surcharge dans les systèmes électriques. Ledit appareil (Fig. 6) détecte le courant nominal électrique d'appareils électriques ou de cordons ou de raccords électriques qui sont branchés dans des prises de courant électriques (18, 16a, 16b), et coupe le courant quand le courant nominal est dépassé. Le courant nominal est indiqué par un seuil de courant préfixé pour l'appareil ou par un dispositif de vérification associé au raccord électrique (20, 22, 24a, 24b, 26, 28). Un circuit contrôle le courant de charge alimentant l'appareil ou la prise de courant (16a, 16b) et le raccord, et compare le courant de charge au courant nominal détecté. Quand une surcharge de courant se produit, le courant délivré à l'appareil ou à la prise de courant et au raccord est coupé (42).

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