Sansi LED: Sustainable LED Lighting and Integrated LED Display

In mountainous regions such as Yunnan, Guizhou, Sichuan, and Tibet, highway tunnels commonly face special conditions such as complex alignments and fluctuating visibility. Traditional lighting solutions present issues such as glare in transition zones and delayed brightness adjustment. Recently deployed intelligent lighting systems in mountainous highway expansion projects have significantly enhanced driving safety through a technical closed loop of "environmental perception - dynamic dimming - emergency linkage." These systems innovatively adopt a gradual light guidance design at tunnel entry points, helping drivers' pupils naturally adapt to changes in light intensity.

Tunnel Lighting in Tibet

With the continuous economic development and population growth in Tibet, the demand for infrastructure construction is also increasing. However, the complex geographical environment and inconvenient transportation make road lighting in Tibet a significant challenge. Based on tunnel characteristics such as terrain, width, and ground and wall materials, Sansi conducts precise simulation calculations to formulate appropriate lighting schemes, with enhanced lighting set up at the entry, transition, and exit sections. Additionally, emergency lighting is installed throughout the tunnel to alert drivers to slow down in emergencies, enhancing driving safety and visual comfort.

Core Functional Analysis of the System

All-Weather Environmental Adaptation

- Optical sensor clusters monitor the brightness difference inside and outside the tunnel in real-time.

- Combined with weather recognition algorithms, it automatically switches between foggy/nighttime lighting modes.

- Actual measurements in a long tunnel in Guizhou show that the system can adjust the lighting strategy within 20 seconds during rainy weather.

Enhanced Safety Design

- Sidewall auxiliary lighting strips form a visual guidance corridor.

- Differential brightness markings are used in emergency parking areas.

- When linked with the fire protection system, it automatically initiates evacuation indication light flow.

Energy Optimization Mechanism

- Time-of-day brightness control based on traffic flow.

- LED light source characteristics enable on-demand power supply.

- After application in a tunnel group in Shaanxi, the lighting energy consumption curve exhibited a pronounced "peak shaving and valley filling" characteristic.

Innovations in Operation and Maintenance Management

- Predictive maintenance: Monitoring the working status of luminaires to pre-warn of abnormal light decay.

- Remote centralized control: Provincial monitoring centers can view tunnel lighting parameters in real-time.

- Digital twins: 3D models visually display equipment distribution and energy efficiency data.

The promotion of this system not only reduces tunnel accident risks but also accumulates lighting data to provide practical basis for revising the "Design Specifications for Highway Tunnel Lighting." With the development of vehicle-road coordination technology, intelligent lighting systems may become crucial environmental information sources for autonomous vehicles, further unleashing the digital potential of infrastructure.