| 摘要 |
FIELD: test and measurement equipment.SUBSTANCE: invention can be used for control and monitoring of objects by means of acoustic emission. Substance of invention consists in the following: that piezoelectric converter for receiving acoustic emission signals has at least three identical parallel overlapping lines of acoustic emission (AE) detecting, consisting of piezoelectric elements, pressure direct and reverse contacts, preamplifiers and connecting leads, which are located in common sealed housing and separated by protective barriers (partitions and/or dielectric media).EFFECT: technical result is improved reliability of piezoelectric converter.3 cl, 3 dwg |
