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实用新型
CN204013530U 信号调制器、信号调制系统和通信系统 失效 - 权利终止

信号调制器、信号调制系统和通信系统
摘要：
本实用新型公开了一种信号调制器、信号调制系统和通信系统。其中，信号调制器用于主动配电网中的工频通信，信号调制器包括：变压器，所述变压器的初级线圈连接在所述主动配电网中电能输出的两接线端之间；调制电路，与所述变压器的次级线圈的两端相连接，所述调制电路上设置有可控硅，所述调制电路用于在所述可控硅闭合的情况下产生瞬时电流，所述瞬时电流用于进行所述主动配电网的信号调制；以及检测机构，输入端与所述主动配电网中电能输出的两接线端相连接，输出端与所述可控硅相连接，用于检测所述电能输出的电压波形，并控制所述可控硅闭合或者截止。通过本实用新型，解决了信号调制速率低的问题，达到了提高信号调制速率的效果。
摘要（英）：

The utility model discloses a signal modulator, a signal modulation system and a communication system, wherein the signal modulator is used for power frequency communication in an active power distribution network. The signal modulator comprises a transformer, a modulation circuit, and a detection mechanism. A primary winding of the transformer is connected between the two wire connection terminals for electric energy output in the active power distribution network; the modulation circuit is connected to two ends of a secondary coil of the transformer and is provided with a thyristor; the modulation circuit is used for generating the instantaneous current when the thyristor is switched on , and the instantaneous current is used for performing signal modulation of the active power distribution network; and the input terminal of the detection mechanism is connected to the two wire connection terminals for electric energy output in the active power distribution network, the output terminal of the detection mechanism is connected to the thyristor, the detection mechanism is used for detecting the voltage waveform of the electric energy output and controlling the thyristor to be switched on and off. Through the utility model, the low signal modulation speed is solved and the signal modulation speed is improved.

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