Material tracking system and method based on hot backup redundancy detection technology

Abstract

The invention discloses a thermal treatment furnace material tracking system based on a hot backup redundancy check technology. The system is composed of a feeding / in-the-furnace frequency conversion / discharging / lifting / lateral shifting discharging motor, a proximity switch, a rise / fall limiter, a chain scission detection device, an encoder, a laser correlation instrument unit, a motor control center (MCC) cabinet and a control system. The laser correlation instrument unit of a three-plus-one structure is used for obtaining the position of materials by use of the hot backup redundancy check technology, and twice logic processing is performed on the checked position of materials according to a two-out-of-three principle; signal distortion caused by interference is avoided and erroneous judgment of working conditions caused by interference is eliminated; once a laser correlation instrument is out of order, a standby laser correlation instrument is put into operation, and therefore, the reliability of material position check is improved. Due to the combination of hot backup redundancy material position check and a frequency converter driving technology, the thermal treatment efficiency and the treatment quality of a roller hearth type thermal treatment furnace.

Description

Technical field [0001] The invention belongs to the technical category of material position detection and tracking for heat treatment furnaces, in particular to a roller hearth type heat treatment furnace material tracking system and method based on hot backup redundant position detection technology. Background technique [0002] In 1868, the Russian metallurgist DK Chernov discovered that there is a solid phase transition in steel during heating and cooling, and the critical temperature point of the phase transition was determined. The academic circle also named the critical temperature point of the phase transition as Chel Nove point; F. Osmond uses thermal analysis to determine the critical temperature of steel transformation, and then establish an alloy state diagram. Since then, heat treatment has evolved from craftsmanship into modern heat treatment theories and heat treatment processes; heat treatment processes can improve the structure and performance of materials, and gr...

AI Technical Summary

Problems solved by technology

[0011] The above-mentioned beneficial explorations and the proposed method of improving the accuracy and reliability of material tracking by using soft sensing and signal quality analysis technology have certain reference value, but there are still limitations in the exploration results; therefore, it is necessary to conduct in-depth research on the basis of existing research results Research and innovation, to explore alternatives to existing material location detection and tracking technologies

Images