A photoelectric type current detection device for multiple cable

The utility model provides a photoelectric type current detection device for multiple cable belongs to the measurement field. The upper end cover is fixed through the attachment bolt with the encapsulation, the encapsulation respectively has a semi -cylindrical groove with the upper end cover, it has the light trap to open in the encapsulation, the inside of light trap is fixed with the polarizerunanimous with the light trap size, an interior fixed surface of cantilever beam and encapsulation is connected, lower surface at the cantilever beam posts the piezoelectric layer, last fixed surfaceat the cantilever beam has the permanent magnet, on the both sides face of the free end of cantilever beam, the side that is close to the light trap is fixed with the analyser, the another side is fixed with photoelectric transducering element, the encapsulation with the just right internal surface of light trap on be fixed with the circuit part. The utility model discloses measure direct currentand alternating current, be