APPARATUS FOR MAGNETIC-FIELD-DEPENDENT NON-CONTACT CONTINUOUS MEASUREMENT OF CRITICAL CURRENT OF SUPERCONDUCTING WIRE ROD

摘要

The present invention relates to an apparatus for magnetic-field-dependent non-contact continuous measurement of a critical current of a superconducting wire rod and, more particularly, to an apparatus for magnetic-field-dependent non-contact continuous measurement of a critical current of a superconducting wire rod, which scans a magnetization distribution of a superconducting wire rod while continuously moving the superconducting wire rod by unit length in a non-contact manner between a magnetic material and a hall sensor array in a coolant atmosphere, wherein the magnetization distribution is repetitively scanned while changing a position of the magnetic material, thereby making it possible to accurately measure whether the critical current of the superconducting wire rod is changed according to the strength of the magnetic field with respect to the changed position of the magnetic material, based on the magnetization distribution. The main technical point of the present invention is the apparatus for the magnetic-field-dependent non-contact continuous measurement of the critical current of the superconducting wire rod, which comprises: a container which is filled with a coolant; a supply reel and a recovery reel which continuously supply and recover a superconducting wire rod into the container by unit length; a guide roller which guides the superconducting wire rod in a horizontal direction on both inner sides of the container; a magnetic material which is installed to be height-adjustable and spaced apart over the superconducting wire rod by a predetermined distance within the container and applies a magnetic field to the superconducting wire rod; and a hall sensor array which is installed to be spaced apart under the superconducting wire rod by a predetermined distance within the container and scans a magnetization of the superconducting wire rod due to a magnetic field of the magnetic material at regular intervals, thereby making it possible to measure the change in the critical current of the superconducting wire rod according to the strength of the magnetic field with respect to the changed height of the magnetic material, based on the magnetization distribution according to the magnetization of the superconducting wire rod that is scanned by the hall sensor array.;COPYRIGHT KIPO 2014