医用光学定位系统辐射发射整改措施分析  

Analysis of Rectification Measures for Radiation Emission of Medical Optical Positioning System

作　　者：宋盟春[1] 陈婷[1] 陈朝霞 陈嘉晔[1] Song Mengchun;Chen Ting;Chen Zhaoxia

机构地区：[1]广东省医疗器械质量监督检验所

出　　处：《安全与电磁兼容》2022年第4期67-70,共4页Safety & EMC

基　　金：广东省省级科技计划项目(2017B020210008)。

摘　　要：针对某光学定位系统辐射发射的超标问题,分析其干扰原因,进行干扰源的定位和超标原因分析,并从电路布局、结构设计、骚扰源滤波设计、减小接地阻抗等方面对样品进行了整改分析及整改实施。整改后,辐射发射测试结果符合GB 4824-2019中1组A类测试要求,对其他类似医疗产品进行电磁兼容设计、整改具有一定参考价值。Aiming at the problem of radiation emission exceeding standard for a medical optical positioning system,the interference causes are analyzed,the location of interference sources and the reason of exceeding standard are analyzed.The rectification analysis and implementation of the sample are carried out from the aspects of circuit layout,structure design,disturbance source filtering design,reducing grounding impedance,etc.After rectification,the test results meet the requirements of group 1 class A of GB 4824-2019.It has certain reference value for the electromagnetic compatibility design and rectification of other similar medical products.

关 键 词：辐射发射 电磁兼容 光学定位系统 整改 干扰源 

分 类 号：TN03[电子电信—物理电子学] TH77[机械工程—仪器科学与技术]