A family energy acquisition system has been designed,which take STM32 microprocessor as the core controller.The load current and voltage signals were collected via the micro-precision AC current/voltage transformer.And the signals were converted in to sampling digital signals by utilizing analog-to-digital conversion,after that data was transfered through WiFi.The configuration of the main controller,initialization,data acquisition procedures,and communication interface design were included in the software design process,and it can achieve the goal that energy consumption and serial data wireless transmission.The results of the system test show that it can realize the remote real-time monitoring of the energy consumption of household appliances.%设计了一种家庭能耗采集系统,硬件以STM32微处理器为核心控制器,通过微型精密交流电流/电压互感器,采集用电负载电流、电压信号,利用模数转换,得出采样电流电压数字信号,由WiFi模块进行数据的传输.软件设计包括主控制器的配置、初始化,数据采集程序,以及通信接口设计,实现能耗采集和串行数据的无线传输.对系统进行测试,结果表明,该系统可实现对家用电器用电能耗的远程实时监测.
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