| The photoelectric complementray power supply system is designed to provide stable power supply infrastructure for monitoring equipments such as surveillance cameras, environment monitor, traffic detector and variable information board.The power supply system makes for strengthening the highway monitoring management and eliminating potential safety hazard. Reliable power supply and reducing operational cost that is primarily due to its promotion and widespread is easily achieved. Therefore, certain research value surely exists.The installation condition of monitoring equipments is difficult to take power. The common power supply system mainly focuses on either energy conservation and environment protection at the cost of the decreasing demand of system reliability or stability neglecting the maintenance cost control.To maximize resource utilization, this paper designs and realizes a photoelectric complementary power supply system for highway monitoring system.This system adopts a dc remote power supply subsystem as the main power supply mode with using solar power subsystem as auxiliary power supply. In some natural energy gathering regions, stable dc power supply is combined with clean organically solar power supply through the terminal controller. For the convenience of the operation and maintenance, a control center client software is specially designed and eventually developed. Client software based on customized terminal performance adaptive protocol provides project management, alarm display, remote control, user configuration and log system etc. for finally completing global resource allocation and scheduling among the terminal controllers. After experimental environment test validation, the power supply control system can rapidly and accurately collect terminal controller sampling information and complete real-time control of the remote devices. |
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