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用电信息采集通信系统中,采集终端通常采用无线公网作为上行通讯方式与主站进行通讯,但有些采集终端安装的地方例如地下室以及山区等存在通讯基站未覆盖或者信号极差的情况,导致采集终端不上线或上线不稳定,造成主站无法正常抄读采集终端数据。针对上述问题,中压载波设备、载波转GPRS设备采用载波通信方案,将终端设备需要上报的数据通过电力线传输给放置在信号较好地点的远程通信模块上报主站,从而满足“全采集、全覆盖”的建设要求。
In the electric information collection and communication system, the collecting terminal generally uses the wireless public network as the uplink communication mode to communicate with the main station. However, some collecting terminal installation places such as basements and mountains have the situation that the communication base station is not covered or the signal is poor, Acquisition terminal is not on-line or on-line instability, resulting in the main station can not copy data acquisition terminal. In view of the above problems, medium-voltage carrier devices and carrier-to-GPRS devices adopt a carrier communication scheme, and transmit data to be reported by terminal devices to a remote station via a power line to a remote communication module placed at a good signal point, so as to meet the requirement of “ Full coverage ”construction requirements.