“The tunnel wall energy storage luminescent paint can have the special function of penetrating smoke in emergency situations such as fires in highway tunnels, providing illumination for emergency escape.†This is the “mountain area†led by Guizhou Expressway Group Co., Ltd. recently. The news of the project acceptance and appraisal meeting of the highway tunnel operation light environment and coping technology research was informed.
It is reported that after three years of comprehensive research and completion of this project at the end of December this year, it means that energy storage luminescent coating technology, intelligent stepless dimming control technology and color-changing luminaire technology will be widely used in Guizhou Expressway Tunnel.
Among them, the energy storage luminescent coating technology will coat the tunnel wall with a paint with flame retardant energy storage, which is stored by any light source (including lamp, electric light or even mobile phone light source), and can be stored in the dark. It glows for more than 12 hours. It has the characteristics of brightening and brightening, delayed illuminating, washing resistance, pollution resistance and long service life. Its light wave has the special function of penetrating smoke in the light source or after the light source is extinguished urgently. It can provide emergency lighting to ensure the safe viewing distance of the driving. To reduce security risks. When a fire breaks out in a tunnel, it can provide illumination for emergency escape and reduce the loss of life and property.
“In the past, if there was a power outage or smoke in the Guizhou Expressway tunnel, the entire tunnel was completely dark and could not be seen clearly.†According to relevant experts from Guizhou Expressway Group Co., Ltd.
Intelligent stepless dimming control technology can intelligently adjust the different brightness of each illumination segment of the tunnel according to the characteristics of natural light source outside the tunnel, weather conditions, different traffic volume, etc., and achieve energy saving by finely adjusting the brightness of the lighting fixtures. The role of the row, reducing electrical investment.
The color-changing temperature lamp technology can adjust the color temperature of a single lamp through the control system according to the different conditions of different weather, different time periods and different running speeds of the tunnel opening in sunny, cloudy, rainy, foggy days, etc., to meet the driver's condition under different conditions. The requirement of the light environment color temperature of each section of the tunnel entrance is effective in energy saving on the basis of ensuring the safety, stability and comfort of the tunnel light environment.
"The color change temperature is a combination of yellow light and white light. The color temperature can be arbitrarily converted from 3000K to 6500K, and the color temperature difference between the tunnel entrance section and the tunnel hole is reduced within a certain range, which is beneficial to the driver's visual comfort." Guizhou Expressway Group related experts said.
According to reports, the current highway tunnel lighting electricity fee managed by the company is about 50 million yuan per year, 80% of which is consumed by high-pressure sodium lamps, and 20% is consumed by LEDs and other light sources. After the project is fully promoted, according to the current total electricity consumption, the annual operating electricity cost will be reduced by 30.8 million yuan, achieving an overall energy saving target of 61.6%. Reduce the energy consumption of tunnel lighting by 32.42 million kWh per year, equivalent to 11,000 tons of standard coal, and reduce the carbon dioxide emissions by 34,500 tons for the society.
It is reported that the 14 tunnels of Guizhou Sanli (Sansui to Liping), which will be open to traffic at the end of the year, will all adopt these technologies.
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