Zero-buoyancy hydrophone

The utility model provides a zero buoyancy hydrophone, which comprises a hydrophone body, a quick sinking piece, a counterweight head, an anti-falling piece and a connecting piece, one end of the hydrophone body is cooperatively provided with the quick sinking piece, the hydrophone body at the same end of the quick sinking piece is cooperatively provided with the counterweight head, the hydrophone body is cooperatively installed on the anti-falling piece, and the connecting piece is connected with the quick sinking piece. And the top of the anti-falling piece is in threaded connection with a connecting piece. According to the zero-buoyancy hydrophone designed by the utility model, through the matching design of the quick sinking piece and the counterweight head, when the hydrophone body needs to sink to a specified water level, the hydrophone body can sink quickly, the detection efficiency is improved, and the use requirement is met, and through the matching design of the anti-falling piece and the connecting