Core Viewpoint - The article highlights the festive preparations and operations of the lighting team in Beijing, specifically focusing on the decoration of Chang'an Avenue with traditional Chinese lanterns and decorations for the Spring Festival, showcasing the dedication and efforts of the "lamp keepers" who ensure the lights are maintained and operational during this important cultural celebration [1][10]. Group 1: Lighting Preparations - On February 6, the Spring Festival lighting decorations along Chang'an Avenue were fully set up, featuring 242 red lanterns and 862 Chinese knot lights, marking the beginning of the "Spring Festival mode" [1][3]. - The lighting team, known as "lamp keepers," is responsible for the installation and maintenance of these decorations, ensuring they shine brightly throughout the festival [3][10]. Group 2: Maintenance Operations - The maintenance team conducts inspections day and night, with each member responsible for checking the functionality and brightness of every lantern, ensuring a uniform display of red lights along the 13-kilometer stretch of Chang'an Avenue [4][8]. - The team utilizes specialized equipment, including temperature measuring devices and high-altitude work platforms, to safely perform maintenance tasks on the lanterns [6][10]. Group 3: Technological Integration - The lighting management system has been upgraded to include a new monitoring system capable of capturing real-time data from over 6,000 light sources, enhancing the team's ability to quickly identify and address any issues [10][11]. - Despite technological advancements, the experience and vigilance of the "lamp keepers" remain irreplaceable, as personal inspections are still necessary to ensure the quality of the lighting [11].

Core Viewpoint - The article highlights the completion of the Spring Festival decorations along Chang'an Avenue in Beijing, emphasizing the focus on energy efficiency and environmental sustainability in the design and implementation of the decorations [1] Group 1: Decoration Details - The decoration focuses on the core section of Chang'an Avenue, specifically from Dongdan to Xidan, featuring 121 base lanterns and 242 sets of large red lanterns [1] - The sections from Dongdan to Guomao Bridge and from Xidan to Xinxing Bridge include 431 base iron lanterns and 862 sets of Chinese knots [1] - The Beihai Bridge area is equipped with 100 sets of string lights [1] Group 2: Sustainability and Efficiency - The lanterns and Chinese knots used this year are designed to be energy-efficient and have a long lifespan [1] - The decoration plan adheres to the principle of "reuse," achieving a reuse rate of 90% for lanterns and decorations [1] Group 3: Monitoring and Safety - An upgraded monitoring system for the lanterns has been implemented, allowing for immediate fault location in case of abnormalities [1] - A natural light collection system is in place to monitor changes in light intensity, ensuring optimal lighting conditions for safety and ambiance during the festival [1]

Core Points - The article discusses the ongoing maintenance and upgrade of the lighting system at Tiananmen Square, focusing on the cleaning and repair of the "Hualan" lights, which is expected to be completed by early August 2023 [1][2]. Group 1: Maintenance and Repair - The maintenance work includes the cleaning and repair of 253 "Hualan" lights, 2,849 light balls, and over 6,000 light sources, with a focus on upgrading the single light monitoring system [1][2]. - The newly implemented single light monitoring system, launched in 2023, allows for real-time monitoring of each light source's operational status, enhancing the precision of maintenance efforts [2]. Group 2: Aesthetic Enhancements - The maintenance also involves deep cleaning and restoration of 110 granite lamp bases, which will be repainted and repaired to preserve their artistic designs, symbolizing the nation's prosperity [4]. - The lamp bases, originally modified in 2012, feature unique floral patterns, contributing to the cultural significance of the lighting system at Tiananmen Square [4]. Group 3: Green Transformation - The lighting center is testing the application of CLED light sources, which are energy-efficient and have high luminous efficacy, as part of a green transformation initiative [6]. - A one-year trial will assess the stability and energy-saving effects of CLED light sources under various seasonal and climatic conditions [6].

Core Viewpoint - The article discusses the ongoing maintenance and upgrade of the lighting system at Tiananmen Square, highlighting the comprehensive cleaning, monitoring system upgrades, and the introduction of energy-efficient CLED light sources. Group 1: Maintenance and Inspection - The maintenance work for the lighting system at Tiananmen Square and Chang'an Avenue commenced in late June and is expected to be completed by early August, involving the cleaning and inspection of 253 lamp posts, 2,849 light bulbs, and over 6,000 light sources [1] - The inspection will now include the newly implemented single-lamp monitoring system, which was launched in 2023 to monitor the operational status of each light source in real-time [2] Group 2: System Upgrades - The monitoring system has been upgraded to reduce errors caused by current fluctuations, enhancing monitoring accuracy and efficiency [2] - The lighting management center will also conduct comprehensive testing of four high pole lights in Tiananmen Square to ensure optimal lighting conditions [2] Group 3: Aesthetic Enhancements - The maintenance includes deep care for 110 granite lamp bases, which will be cleaned, repainted with protective agents, and repaired for any damage, enhancing the visual appeal of the area [3] - Each lamp base features unique floral patterns, symbolizing the flourishing of the nation, and this maintenance preserves both historical craftsmanship and cultural landmarks [3] Group 4: Technological Innovations - The maintenance will pilot the use of CLED light sources on the lamps, aiming to replace traditional electromagnetic induction lamps, which offers advantages such as lower energy consumption and higher light efficiency [4] - A one-year trial will be conducted to test the stability, light decay, and energy-saving effects of CLED light sources under various seasonal and climatic conditions [4]