Dimming drive circuit based on PLC-BUS and corresponding system

The invention provides a dimming drive circuit based on a PLC-BUS and a corresponding system, which are applied to the technical field of IOT. The power supply AC and the PLC module are integrated together, so that the installation of workers is facilitated; a first capacitor C1, a second capacitor C2, a third capacitor C3 and a driving circuit of an inductance element are matched, the problem that a differential mode interference signal of instantaneous peak voltage is generated under abnormal conditions such as input voltage transient drop to interfere with the circuit is effectively prevented, meanwhile, the dimming circuit is based on the PLC-BUS circuit, accurate adjustment of an LED load can be achieved, and noise reduction processing can be carried out on a drive circuit. 本申请提供了一种基于PLC-BUS调光驱动电路及对应的系统，运用于物联网IOT技术领域，将电源AC与PLC模块整合于一起方便了工人的安装，并且通过第一电容C1、第二电容C2、第三电容C3及电感件的驱动电路搭配，有效的防止了当输入电压瞬降等异常状况下会产生瞬间尖峰电压的差模干扰信号对电路的干扰问题，同时该调光电路是基于PLC-BUS电路，能够实现LED负载的精准调节，能够对驱动电路进行降噪处理。