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Solar Road Studs
Dec 13, 2013

Solar road studs (solar road studs or solar road markers), a kind of spikes, are placed along the road pavement for night or rain-fog weather and indicate the direction of the road. The retroreflective material, shell, solar panel, LED, control device, a visual guidance facility with active and passive reflective properties, often in conjunction with the reticle.


Due to the continuous development of the solar energy industry, in recent years, various road safety facilities and products with high scientific and technological content have been favored by the industry in the national road safety support projects. The extensive application of these traffic safety facilities and products has played an important role in improving road traffic safety and reducing traffic accidents. Among various traffic safety facilities or products, the solar track is pinned on rain, foggy weather and road corners to clearly delineate the road profile and edges so as to induce the driver's attention and thus eliminate potential road safety hazards. Solar spikes play an important role in guiding the driver's line of sight and eliminating potential safety hazards in rainy and foggy weather and at the corners of the road.

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Luminous brightness

Common reflective spikes reflect the brightness of only 300-400 MCD, and solar spikes luminous brightness up to 2000 MCD, 6-7 times the former, high-intensity light can be worn at night fog, safe and effective Guide the driver.

Active light, dynamic warning

Solar spikes flash at some frequency at night, and human vision is more sensitive to change, so its dynamic alert is very powerful. Active light can not only maximize the avoidance of rain and fog interference, and can be relied on the car lights rely on visual distance farther, the effect is better.

Solar road markers play an important role in guiding the driver's line of sight and eliminating potential safety hazards in rainy and foggy weather, as well as at the bend.

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working principle

Solar panels absorb sunlight during the day and convert the solar energy into electrical energy that is stored in energy storage devices (batteries or capacitors). In the evening, electrical energy in the energy storage device is automatically converted into light (controlled by a photoelectric switch) Light to outline the road profile, to induce the driver's attention.

Solar spikes in accordance with the installation of different positions can be divided into buried and raised.

The former is generally used in the center line, which is generally used for the edge line. This is because the installation of solar spikes in the center of the anti-pressure performance requirements are particularly high, in order to solve this problem, had to sun studs buried in the ground, exposing the ground only about 5 mm. The use of solar energy in the edge of the spike on the pressure performance requirements are not particularly high, the outstanding ground can still work effectively.

Solar energy spike according to the different energy storage components can be divided into capacitive and battery-type, the former life of up to five to seven years, the latter of the service life is generally ranging from one year to three years.

Because embedded solar spikes on the pavement damage, while the cost of capacitive solar powered driveway markers is too high, so currently the most widely used solar battery spike bulged.

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The Shaanxi Yiyuan Traffic Technology Engineering Co.Ltd. 

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  • Shaanxi Yiyuan Traffic Technology Engineering Co.,Ltd

    Tel: +86-29-88270591

    E-mail: sxyyjt@sx-yyjt.com

    QQ: 1829090767

    Zip: 710065

    Address: No.5, Production Road, West Thermal Power Plant, West Section Of Hongguang Road, Weiyang District, Xi'an, Shaanxi, China


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