EDDY-CURRENT MULTIPARAMETER DEVICE FOR NON-DESTRUCTIVE CONTROL AND MATRIX SUPERIMPOSED EDDY-CURRENT CONVERTER

摘要

The invention relates to non-destructive inspection and may be used for measuring parameters of objects of electrically conductive material. The purpose of the invention - improved accuracy and information content control is achieved through the fact that eddy current mnogopa- rametrovoe nerazrushayuschegokontrol apparatus comprising program-controllable in amplitude and frequency generator with matrix converter excitation winding connected to the generator, and a group of partitioned winding two groups programmatically -upravl proxy switch, the inputs of each switch of the first group are connected to the outputs of a group of measuring coils, the outputs of each switch of the first group are connected to the inputs of each switch of the second group, and the series-connected software-controlled switch, to the inputs of which are connected outputs of the switches of the second group, the amplitude detector, analog-to-digital converter, the control unit and displaying information, the control bus is connected to a control unit the control inputs of the oscillator, the two groups of switches, software-controlled switch and the analog-to-digital converter, provided with an additional software-controllable switch, a control input to torogo connected to the control bus of the control unit, the exciting coil of the matrix converter is in the form of sections, and a generator connected thereto by means of an additional program-controlled switch, and in the trim matrix eddy-current converter comprising a magnetic core enclosing its exciting winding and located in a plane perpendicular to the magnetic axis of the measuring coil, each of which is in the form of sections exciting winding is made in the form of sections, each of which located in the plane of the respective measuring winding, each section of the measuring coil are arranged alternately in the form of loop-shaped frames and concentric coils, and closest to the exciting winding sections of the measuring coil is in the form of loop frames. 2 SP f-ly, 14 yl. I ate with oo oo w 00