CABLE LINE Russian patent published in 2022 - IPC G01B11/22 G02B6/24 

FIELD: cable lines laying.

SUBSTANCE: invention relates to the field of laying cable lines with the possibility of determining the shape and spatial position of the hidden cable line route using fiber-optic means. The effect is achieved by the fact that the cable line contains a power electric cable having at least one power conductor with insulation, a sheath and four sensor optical fibers located along the cable axis, three of which are built into the cable sheath as distributed sensors for measuring cable strain are rigidly connected to it without slipping and are located in the cross section of the cable at the vertices of the triangle, and parallel to the cable axis, and the fourth - as a sensor for measuring the temperature distribution is placed freely inside the cable and is made with an excess length, while the said sensor optical fibers are connected in series to each other with a friend in a loop with the output of the free ends of the first of the mentioned three optical fibers and the fourth optical fiber at one end of the cable line in the form of the beginning and end sections of the mentioned loop, connecting cable sleeves for connecting the construction lengths of the cable and ends th cable sleeves installed at the ends of the cable line and made with the possibility of connecting sensor optical fibers into a loop, with the possibility of outputting the free ends of optical fibers for connecting an optical meter for the distribution of longitudinal deformation and temperature of optical fibers and with the possibility of installing a navigation device on the end sleeves for determining coordinates cable line ends.

EFFECT: increasing the accuracy and reliability of determining the actual spatial location of the hidden cable line.

2 cl, 4 dwg