On the 23rd of February, every night, the Changsha streetlights started from the Du Fu Jiangge to the Jiahu Lake Tunnel. The Changsha streetlights have made great strides from the general lighting to the intelligent lighting. Yesterday, the reporter learned from the Changsha Street Light Management Office that the 78,200-inch street lamp in Changsha was initially intelligently controlled. The reconstruction project of Changsha Street Light Monitoring System has been completed. The street lighting management in Changsha has entered the era of intelligent control. The power department has responded more quickly to streetlight failures and the maintenance has been more timely.
Monitoring system management is more optimized
By the end of last year, there were 78,247 street lamps in Changsha, with a total load of 20,000 kilowatts, a total length of 12,300 kilometers, and 295 street lamp transformers.
In 2003, the Changsha streetlight monitoring system was incomplete and technically backward, resulting in failures such as rapid telemetry response, incorrect fault alarms, and unsatisfactory communication signals, making the monitoring system a device. Due to the backwardness of street lamp monitoring equipment, street lamp management and maintenance was mainly based on labor, which made the street lamp repair and maintenance lagging behind, affecting urban lighting.
Last year, Changsha Street Light Management Office carried out a comprehensive transformation of the city's 279 box-changing primary and secondary circuits and monitoring terminals, replacing 60 communication modules, 211 switches and 235 mobile communication antennas, adding and replacing mutual inductance. 210 sets, replacing 2,600 meters of various types of wires. At the same time, the monitoring system management software is optimized.
Urban lighting is better
If someone opens the streetlight transformer compartment door without authorization, the central lighting room of the streetlight monitoring system will receive an alarm, which greatly curbs the case of the stolen streetlight facilities that was once prominent in Changsha.
According to the technical staff of Changsha Street Light Management Institute, after the street lighting has realized intelligent lighting management, the urban lighting effect is better, and the power consumption is reduced. The reason is that now, when the night is quiet, the streetlight management personnel will halve the road lights of some suburban junctions and vehicles with less pedestrian traffic according to the traffic conditions feedback from the streetlight monitoring system, and the tunnel entrances, bridges, underground passages, etc. The streetlights in the traffic danger area are brightened, which saves energy and ensures the quality of lighting.
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