Lamp with safety features

F - Mech Eng,Light,Heat,Weapons – 21 – V

Patent

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Details

F21V 25/04 (2006.01) F21V 23/04 (2006.01)

Patent

CA 2240660

A lamp (10) incorporating one or more safety features for reducing the risk of fire or heat damage associated with improper operation of the lamp (10). One safety feature can be an automatic safety switch (20) for terminating power to the lamp (10) when the lamp (10) is not in a proper operational orientation. The switch (42) is mounted on the underside of the base (12) of the lamp (10) and only provides electricity to the lamp (10) when the weight of the lamp (10) rests properly on its base (12). A thermal switch (68) which reduces or eliminates power to the lamp (10) when the lamp (10) is operating above above a predetermined temperature can be provided, alone or in combination with a light level sensor (63) to adjust lamp power in response to room lighting conditions.

Lampe (10) offrant une ou plusieurs caractéristiques de sécurité permettant de réduire le risque d'incendie ou de détérioration due à un excès de chaleur provoqué par un mauvais fonctionnement de la lampe (10). L'une de ces caractéristiques de sécurité consiste en un interrupteur de sécurité automatique (20) conçu pour interrompre l'alimentation de la lampe (10) lorsque son orientation opérationnelle est incorrecte. L'interrupteur (42) se trouve sur la face inférieure du culot (12) de la lampe (10) et n'alimente la lampe (10) que lorsque le poids de la lampe (10) repose correctement sur le culot (12). Un thermorupteur (68) permettant de réduire ou de couper l'alimentation de la lampe (10) lorsque sa température de fonctionnement dépasse un seuil prédéterminé peut également être ajouté à la lampe (10), seul ou combiné à un détecteur à bas niveau (63) permettant d'ajuster l'alimentation de la lampe d'après les conditions d'éclairage de la pièce.

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