电力设备的诊断与维护在电力系统的运行中起着非常重要的作用。本文着重介绍利用信息、智能控制、网络等技术构建基于互联网的电力设备网络管理系统,为电力设备的诊断与维护提供一个方便的讨论、共享及全球合作的技术平台。%With the popularity of smartphone,two-dimensional code has appeared in various promotional posters in department stores,supermarkets. It can be seen everywhere even in newspapers,websites and mobile phones. However,the resulting security problems are increasingly serious. In this paper,starting from the application of two-dimensional code,then it elaborates the safety problems,and puts forward suggestions on the safety use.
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