电容式超声检测系统的电磁兼容性试验方法研究

Review of EMC research based on capacitive ultrasonic testing system

在医疗卫生领域,以微加工电容式超声传感器为核心的超声检测系统的电磁兼容性能直接影响测试诊断过程的安全性。本文根据电容式超声检测系统的构成和电磁兼容性检测的特点,从电磁骚扰和电磁抗扰度两个方面阐述了系统电磁兼容性试验的标准和方法;最后,针对国家重点研发项目研制的超声检测系统,搭建测试平台进行了验证试验,分析试验结果,提出有效的整改措施,对该系统的临床应用具有重要的实际意义。

In the field of medical and health,the electromagnetic compatibility of the ultrasonic detection system with micro-processing capacitive ultrasonic sensor has a direct impact on the safety of the testing and diagnosis process.According to the structure of capacitive ultrasonic testing system and the characteristics of electromagnetic compatibility testing,the standards and methods of electromagnetic compatibility test are described from two aspects:electromagnetic harassment and electromagnetic disturbance.Finally,according to the ultrasonic testing system developed by the National key research and development project,the testing platform was set up to carry out verification tests,analyze the results of the tests,and propose effective corrective measures,which have important practical significance for the clinical application of the system.