Design and Test of a New Type Amplifier-based Sensing Device for High Temperature Deformation Monitoring

Abstract

In order to solve the problem in monitoring high temperature strain coming from harsh working environment and extremely small deformation of components, a flexure-hinged displacement amplifier is proposed to be integrated in a sensing device in order to design a more sensitive sensor to accurately online monitor small deformation of high temperature components. The structure and the work principle of the sensing device are introduced. A prototype of the sensing device is fabricated. Then the tests to verify the reliability and amplification ability are carried out at laboratory. Results demonstrate that the designed sensing device has satisfactory working performance.