Currently, urban street lamps are predominantly powered by high-pressure sodium lamps, which suffer from low luminous efficiency, short lifespans, and environmental issues due to improper recycling. Additionally, the current methods of managing streetlights lack informatization, relying on outdated techniques. There is a pressing need to transition to more efficient and eco-friendly LED lighting solutions, along with intelligent management systems for these streetlights. Smart street lamps leverage information technology and lighting innovations to enable single-lamp control, meticulous management, and significant energy savings.
The development of urban nighttime public lighting is becoming increasingly crucial for both daily life and economic growth. It ensures pedestrian and vehicle safety while enhancing the aesthetic appeal of cities. Public lighting has long been a focal point for energy-saving initiatives. Energy-saving retrofit programs, often funded through contract energy management (EMC) models, are gaining traction with local governments. Many regions across the country are implementing LED energy-efficient upgrades. For instance, Foshan's Chancheng district in Guangdong province is planning to renovate nearly 6,000 street lamps using the EMC model. Similarly, Zhuhai aims to complete 90,000 LED streetlight replacements within two years under the same model. Meanwhile, Shenzhen is working on a comprehensive plan to transform its entire street lighting infrastructure into LED-based systems over three years, aiming to cut institutional energy consumption by 20% during the '12th Five-Year Plan' period. These EMC projects have already demonstrated substantial energy-saving benefits.
This system introduces a smart street lighting project developed by the Institute of Internet of Things, integrating cutting-edge technologies like IoT, cloud computing, and 3G communication. It constructs a public management platform for urban smart street lamps, offering technical support for smart street lighting systems to optimize operational efficiency and showcase smart city advancements. Through this intelligent street lighting management system, cities can achieve holistic monitoring and adjustments, refine management practices, reduce maintenance difficulties and costs via remote and mobile management, and ultimately enhance energy efficiency. The objectives of the smart street lighting initiative include:
- Transforming street lamp distribution cabinets to facilitate intelligent group management of street lamps. Wireless centralized control terminals will be installed in distribution cabinets to enable remote monitoring, control, and signaling for any group of street lamps.
- Implementing single-lamp intelligent management by fitting LED lights with node controllers. Single-lamp control terminals will be installed to provide detailed management, including telemetry, remote control, signaling, and viewing capabilities for individual street lamps.
- Deploying a smart street lighting management platform to centralize information management of street lamps. This platform will gather and analyze data on the performance of all connected equipment, pinpointing faults and providing actionable insights for street lighting managers, ensuring real-time, efficient regulation. Energy-saving strategies will also be formulated to maximize the efficiency of LED street lamps, achieving a secondary energy-saving effect of 30-40% through strategic dimming and lighting schedules tailored to different times of day.
In conclusion, transitioning to smart LED street lighting not only addresses current inefficiencies but also paves the way for a smarter, more sustainable urban future.
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