检测电源适配器的方法以及测量系统;DETECTING METHOD OF POWER ADAPTER AND MEASURING SYSTEM

摘要

本发明公开了一种检测电源适配器的方法及测量系统，检测电源适配器的方法包括：采集电源适配器的直流输出端口的射频信号，射频信号用于衡量电源适配器对计算机电信端口的干扰。检测电源适配器的测量系统包括：耦合去耦网络，其EUT端连接电源适配器的直流输出端；EMI接收机，其射频输入端连接耦合去耦网络的射频输出端；模拟负载，连接耦合去耦网络的AE端；及人工电源网络，连接电源适配器的交流输入端。本发明可对笔记型电脑的电源适配器进行准确的干扰电压测量，能预见産品在搭配笔记型电脑时的电信端口的测试结果。;The disclosure relates to a detecting method of a power adapter and a measuring system. The detecting method of the power adapter includes steps of collecting a radiofrequency signal of a DC output interface of the power adapter, among which the radiofrequency signal is used for measuring the interference of a telecommunication interface of a computer caused by the power adapter. The measuring system includes a coupling decoupling network having an EUT terminal connected with the DC output interface of the power adapter, an EMI receiving apparatus having a radiofrequency input interface connected with a radiofrequency output interface of the coupling decoupling network, a simulated load connected with an AE terminal of the coupling decoupling network, and an artificial mains network connected with an AC input interface of the power adapter. The interference voltage measurement of a power adapter of a notebook computer is accurately implemented and the testing result of a telecommunication interface of the notebook computer coordinated with the power adapter is predicted through the present invention.