Interference-resistant acoustic detection device for water turbine systems

Abstract

Interference-resistant acoustic detection device for water turbine systems, characterized in that it comprises a housing (1) wherein the top, bottom and side walls inside the housing (1) are connected to an electromagnetic shielding layer, the electromagnetic shielding layer consisting successively from the outside inwards of a fabric composite layer (5), a conductive polymer layer (6), a nanocomposite film (7), an absorption layer (8), a reflection layer (27), an insulating layer (9) and a metal layer (10), wherein the fabric composite layer (5) is connected to the inner wall of the housing (1); a printed circuit board (3) is connected above the lower metal layer (10).