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    • 10. 发明授权
    • Electrical circuit for testing a transducer horn assembly
    • 用于测试传感器喇叭组件的电路
    • US06502471B1
    • 2003-01-07
    • US09477961
    • 2000-01-05
    • Robert Peter Kraus, Jr.Fugui HeRoland J. KoestnerSteven D. PossanzaPaul P. Zontek
    • Robert Peter Kraus, Jr.Fugui HeRoland J. KoestnerSteven D. PossanzaPaul P. Zontek
    • G01M1900
    • G01H13/00B01D19/0078G01H3/005G01H15/00Y10S261/19
    • A method and apparatus for evaluating the end cap round transducer horn assemblies used in debubbling operations wherein the ECR THA can be evaluated off-line at both high and low power and on-line by making electrical measurements on the ECR THA. The electrical measurements are used to characterize the physical condition of the piezoelectric ceramics of the THA. A test box is employed to practice the method. The test box is connected between the THA and a signal analyzer. Power is supplied to the THA and the electrical signals across the THA are sampled. The sampled electrical signals are transmitted to the signal analyzer while maintaining the amplitude and phase relationship thereof. The sampled electrical signals are used to generate an impedance trace for the particular THA. That impedance trace is compared to a model impedance trace. In such manner, it can be determined whether the ECR THA is operational. Further, if the ECR THA is in working condition, the impedance trace can be used to determine how efficiently it is operating. This allows for an ultimate determination to be made of how well a particular ECR THA is functioning.
    • 一种用于评估在脱泡操作中使用的端盖圆形传感器喇叭组件的方法和装置,其中ECR THA可以通过对ECR THA进行电气测量而在高功率和低功率下在线评估。 电气测量用于表征THA的压电陶瓷的物理状态。 使用测试箱来实施该方法。 测试箱连接在THA和信号分析仪之间。 电源被提供给THA,并且跨越THA的电信号被采样。 将采样的电信号传送到信号分析器,同时保持其幅度和相位关系。 采样的电信号用于产生特定THA的阻抗迹线。 该阻抗曲线与模型阻抗曲线进行比较。 以这种方式,可以确定ECR THA是否可操作。 此外,如果ECR THA处于工作状态,阻抗迹线可用于确定其工作效率。 这允许最终确定特定ECR THA的功能如何。