基于STM32的智能插座的设计与实现

Design and Implementation of Smart Socket Based on STM32

设计一款基于STM32的智能插座,该产品以STM32为核心,AD7609芯片、电压互感器和电流互感器为硬件基础,快速傅里叶变换作为理论依据。工作在该装置上的用电器产生的电信号通过互感器转变为易于采集的电压信号和电流信号,经AD7609模数转换后,输入STM32微处理器进行处理,得到流过用电器的实际电流值,并通过快速傅里叶变换,完成谐波检测,根据谐波检测结果,计算出用电器的有功功率、无功功率和视在功率,实现对用电器的智能识别。

A smart socket based on STM32 is designed.The product takes STM32 as the core,AD7609 chip,voltage transformer and current transformer as the hardware basis,and FFT as the theoretical basis.The electrical signals generated by the electrical appliances working on the device are converted into voltage signals and current signals that are easy to collect through the transformer.After A/D conversion by AD7609,the signals are input to the STM32 microprocessor for processing to obtain the actual current value flowing through the electrical appliances.The harmonic detection is completed through fast Fourier transformation.According to the harmonic detection results,the active power,reactive power and apparent power of the electrical appliances are calculated,realizing intelligent identification of electrical appliances.