Netty anti-explosion gradual-change sheet resistance metalized safety film for capacitor
A technology of gradient square resistance and metallized film, which is applied in the field of capacitors, can solve the problems of flammable and explosive capacitors, short service life, poor reliability, etc., and achieve the effect of solving flammable and explosive, high explosion-proof safety performance and sensitive response
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[0011] See Figure 1-3 , The present invention includes a polypropylene film dielectric layer 1 and a metalized film layer 2 vapor-deposited on the polypropylene film dielectric layer by uniformly mixed zinc and aluminum, the metalized film layer 2 is two layers, and the metalized film layer 2 forms a net Shaped structure and divided into conductive metal grids 4 by the X-shaped unplated area 3, the adjacent X-shaped unplated areas 3 are disconnected by the micro-fuse 5 formed by the vapor-deposited metalized film layer, the conductive metal mesh The grids 4 are connected by a miniature fuse 5.
[0012] In the present invention, the miniature fuse 5 is an explosion-proof key structure, such as image 3 As shown, when a voltage is applied to both ends of a capacitor made of the meshed explosion-proof gradual resistance metallized safety film of the present invention, when the voltage across the capacitor electrodes increases, the current flowing through the capacitor rises sharply...
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