Device and method for measuring sensitivity of acoustic emission sensor

• Main Authors: JIANG ZHAOXIANG, CHEN XUEYING, CHEN ZUYANG, ZHOU CHENGNING, LIU CAIXUE, YANG TAIBO, HU JIANRONG, HUANG YANPING
• Format: Patent
• Language: Chinese; English
• Published: 27.02.2024
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention provides a device for measuring the sensitivity of an acoustic emission sensor. The device comprises a shielding case, a heating box, a thermocouple, a transmitting transducer, a waveguide rod, a pulse signal source, an acquisition and calculation system and other parts and equipment. The invention also provides a method for measuring the sensitivity of the acoustic emission sensor. According to the device and the method for measuring the sensitivity of the acoustic emission sensor provided by the invention, the online sensitivity of the acoustic emission sensor can be measured in a high-temperature-irradiation coupling environment. 本发明提供了一种声发射传感器灵敏度的测量装置，包括屏蔽罩，加热箱，热电偶，发射换能器，波导杆，脉冲信号源以及采集与计算系统等部件和设备。本发明还提供了一种声发射传感器灵敏度的测量方法。本发明提供的一种声发射传感器灵敏度的测量装置及其测量方法，能够实现高温-辐照耦合环境下对声发射传感器在线灵敏度的测量。