Flexible pipe

Abstract

The invention relates to a flexible pipe comprising a plurality of layers surrounding a longitudinal axis and an at least partly integrated sensor arrangement. The plurality of layers comprising an internal sheath and one or more armouring layers, at least one armouring layer comprising at least one folded metal strip helically wound around said longitudinal axis of the pipe, at least a part of said sensor arrangement being placed in a fold of said folded metal strip, the sensor arrangement preferably comprises an optical fiber which is placed in the fold of said folded metal strip. By this flexible pipe with a sensor arrangement, the sensor arrangement may be incorporated into the armouring layer in a simple and safe way. The sensor arrangement may for example be capable of sensing at least one property, selected from the group of stress-strain, temperature, pipe leakage, wear, mechanical deformations, pressure, chemical corrosion, salt concentration of liquid in contact with the pipe and pH value of liquid in contact with the pipe.

Dependencies are inferred from the claim text.