Varistor with an alloy-type temperature fuse

Details Varistor with an alloy-type temperature fuse Varistor with an alloy-type temperature fuse

H - Electricity

01

C

H01C 7/10 (2006.01) H01C 13/00 (2006.01) H02H 3/20 (2006.01)

Patent

CA 2588819

A varistor with an alloy-type temperature fuse is disclosed, comprising a varistor, an alloy-type temperature fuse, a closed chamber, the vristor and the alloy-type temperature fuse are provide in the closed chamber, with one surface of varistor being close to one surface of the temperature fuse, the leads of them extending outside the closed chamber; the closed chamber is provide with the alloy flux. In the invention, varistor and temperature fuse are integrated, so that the velocity of heat transfer is fase, installation is facility in use.Under the action of the flux, the melted alloy may shrink toward two leads rapidly, becoming two balls, according to different requirement, chosing different melting point and different size of the alloy, matching the varistor of different current, a variety of specification of the varistor can be made by the invention, and can be applied broadly.

L~invention présente une varistance à fusible thermique de type à alliage comprenant une varistance, un fusible thermique de type à alliage et une chambre fermée. La varistance et le fusible thermique de type à alliage sont placés dans la chambre fermée, une surface de la varistance proche d~une surface du fusible thermique, et leurs fils de sortie dépassent à l~extérieur de la chambre fermée qui reçoit le flux d~alliage. Selon l~invention, la varistance et le fusible thermique sont intégrés pour une vitesse élevée du transfert de chaleur et une facilité d~emploi de l~ensemble. Sous l~effet du flux, l~alliage fondu est susceptible de reculer rapidement vers deux fils de sortie, qui se transforment en deux billes selon les critères choisis de différents points de fusion et différentes dimensions de l~alliage, pour adapter la varistance à différents courants. L~invention permet une grande variété de spécifications de la varistance pour un large champ d~application.

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