DEVICE FOR COMPLEX MONITORING OF QUALITY OF CARBON-GRAPHITE BLOCKS Russian patent published in 2003 - IPC

FIELD: non-ferrous metallurgy; electronic, aluminum and atomic industries. SUBSTANCE: proposed device includes current supply lead, sensors for measurement of thermal expansion coefficient, special electrical resistance and temperature, recording unit, parallel coils; one coil is fed with AC; they are arranged around unit for measurement of their relative inductance depending on properties and structure of carbon-graphite block; device is also provided with thermo-emf sensor which is connected to recording unit and unit for determination of thermogram of planes which is just primary transducer and infra-red imager for conversion of measurements of information into thermogram of planes; each sensor is mounted on separate guides of datum plates rigidly connected with pneumatic cylinders which are connected in their turn with output of change-over unit through control unit and computer unit; respective inputs of change-over unit is connected with sensors and output is connected to input of computer unit whose one output is connected with control unit and other output is connected with recording and information units. Sensors are mounted on separate guide for free motion over them. EFFECT: enhanced efficiency and accuracy of measurements. 2 cl, 1 dwg