EQUIPMENT FOR MEASUREMENT OF LINEAR DEFORMATIONS OF MAIN PIPELINE Russian patent published in 2008 - IPC F17D5/00 

FIELD: technological processes.

SUBSTANCE: equipment for measurement of linear deformation of main pipeline, which contains linear deformations detectors that are installed on the main pipeline, and units of information processing, the inputs of which are connected with outputs of linear deformations detectors, additionally contains receiver of satellite radio-navigation system, multiplexer, microprocessor and radio-modem, and as linear deformations detectors string sensors are used, which are installed in controlled section of main pipeline, at that every unit of information processing additionally contains digital frequency meter - period meter with quartz generator, at that output of satellite radio-navigation system receiver is connected to controlled inputs of quartz generators of frequency meters - period meters, the outputs of which via multiplexer are connected to the input of microprocessor, which is connected with its output to controlled inputs of multiplexer and radio-modem.

EFFECT: increase of measurement accuracy by means of change over from analog to digital method of measurement of main pipeline linear deformations with permanent binding of reference frequency of digital sensor to standard frequency.

7 cl, 2 dwg