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针对电力线载波通信技术节点成本高,切相调光技术线路谐波干扰大,且无法定位寻址控制的缺点,通过提出一种对交流电进行数字编码的控制方法,利用高压功率驱动器件对交流电的正负半波的后沿进行数字脉冲编码,每个半波编一个编码位,实现电力线传输数字控制信号的目的。本文提供了控制器的编码及接收端的解码硬件电路及软件解码方法。本文的技术可应用于室内照明调光的可寻址控制。
Aiming at the disadvantage of high cost of power line carrier communication node and large harmonic interference of phase-cut dimming line, and it can not locate addressing control, a control method of digitally encoding alternating current is proposed, The positive and negative half-wave trailing edge for digital pulse coding, coding for each half-coded bits to achieve the power line digital control signal transmission purposes. This article provides the controller encoding and decoding hardware decoder circuit and the decoding method. The technology in this paper can be applied to the addressable control of indoor lighting dimming.