PROTECTION DEVICE FOR AN ELECTRICAL DISTRIBUTION SYSTEM OF AN AIRCRAFT ELECTRICAL NETWORK
The invention relates to a protection device ( 1 ) for an electrical distribution system ( 3 ) of an aircraft electrical network, said device ( 1 ) including a substrate ( 11 ) comprising a plurality of electrically conductive elements ( 13 ), said electrically conductive elements ( 13 ) being connected pairwise by a fuse element ( 15 ), and a coating material ( 17 ) that is arranged over the substrate ( 11 ) and each fuse element ( 15 ). The invention also relates to an electrical distribution system ( 3 ) of an aircraft electrical network comprising an electrical circuit ( 5 ) to which one or more protection devices ( 1 ) are attached, said one or more protection devices ( 1 ) being electrically connected to the electrical circuit ( 5 ).
1 . A protection device ( 1 ) for an electrical distribution system ( 3 ) of an aircraft electrical network, said device ( 1 ) including a substrate ( 11 ) comprising a plurality of electrical conducting elements ( 13 ), said electrical conducting elements ( 13 ) being connected pairwise by a fuse element ( 15 ), and a coating material ( 17 ) arranged on the substrate ( 11 ) and each fuse element ( 15 ).
2 . The device ( 1 ) of claim 1 , in which one or more electrical conducting elements ( 13 ) are made from copper or alumina.
3 . The device ( 1 ) of claim 1 , in which the fuse elements ( 15 ) are made from alloys or fusible materials, such as aluminum, copper, gold, tin or lead.
4 . The device ( 1 ) of claim 1 , in which at least one fuse element ( 15 ) comprises a plurality of wire-based fuse elements.
5 . The device ( 1 ) of claim 1 , in which at least one fuse element ( 15 ) comprises a fuse element of the cylindrical or parallelepiped strip type.
6 . The device ( 1 ) of claim 1 , in which the coating material ( 17 ) is an epoxy resin or a gel.
7 . The device ( 1 ) of claim 1 , additionally comprising a protective envelope fitted on the coating material ( 17 ).
8 . The device ( 1 ) of claim 1 , in which the substrate ( 11 ) includes silica powder.
9 . An electrical distribution system ( 3 ) of an aircraft electrical network, comprising an electrical circuit ( 5 ) on which one or more protection devices ( 1 ) are fixed as claim 1 , the one or more protection devices ( 1 ) being electrically connected to the electrical circuit ( 5 ).
10 . The system ( 3 ) of claim 9 , in which an area ( 7 ) where electrical components are not fitted is arranged around the one or more protection devices ( 1 ).