Vibration detection device of truss support circle thin film composition

• Main Authors: QIU ZHICHENG, WANG JIAXI
• Format: Patent
• Language: Chinese; English
• Published: 15.01.2019
• Subjects: MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES; MEASURING; PHYSICS; TESTING

The utility model discloses a vibration detection device of truss support circle thin film composition, including film body and excitation test section, film body includes disc type film, backup pad and flexible truss, the excitation test section includes two high speed camera, laser instrument, vibration exciter, computer, signal generator and power amplifier. The utility model discloses a vibration detection device can carry out the non -contact measurement to measuring the body by the binocular vision system composition, can not bring the appendix effect for the system for systematic robustness is strong, obtains the comparatively accurate vibration information of disc type thin film composition. 本实用新型公开了种桁架支撑圆薄膜结构的振动检测装置，包括薄膜本体及激励检测部分；所述薄膜本体包括圆盘式薄膜、支撑板及伸缩桁架，所述激励检测部分包括两个高速相机、激光器、激振器、计算机、信号发生器及功率放大器。本实用新型的振动检测装置由双目视觉系统组成，能够对测量本体进行非接触式测量，不会给系统带来附载效应，使得系统的鲁棒性强，得到圆盘式薄膜结构较为精确的振动信息。