Solar road stud or solar road marker, is one of the spike, set up along the road pavement, for the night or rain fog weather, indicating the direction of road, It is composed of reverse reflection material, shell, solar panel, LED and control device. Vision-inducing facilities with active lighting and passive reflective properties are often used in combination with road marking lines.
Solar road studs have become an innovative model in the field of modern road safety with their efficient energy conversion and intelligent lighting mechanism. Its working process mainly covers three core links: light energy absorption, electrical energy storage, and automatic lighting at night. With its scientific working principle and intelligent operation mechanism, solar road studs provide a reliable and environmentally friendly solution for road safety.
The top of the solar road stud is equipped with a high-conversion-efficiency solar panel, which is the key to the energy source. Under daylight conditions, the solar panel acts as an "energy catcher" to continuously absorb solar radiation. Using advanced photovoltaic materials and manufacturing processes, solar panels can efficiently convert light energy into electrical energy, far exceeding the conversion efficiency of ordinary solar equipment. Whether it is strong direct sunlight on a sunny day or scattered light on a cloudy day, it can make full use of light energy and prepare for subsequent energy storage.
The converted electrical energy will be quickly transmitted to the built-in energy storage device, such as lithium batteries, which are specially designed with high capacity, long life and stable output. During the energy storage process, the intelligent management system monitors the power status in real time, optimizes the charging process, avoids damage to the battery due to overcharging or over-discharging, ensures that the energy can be stored stably and durably, and provides sufficient power for nighttime work.
When night falls or the ambient light is insufficient, the photoelectric switch built into the solar road stud can keenly sense the light changes and automatically trigger the light-emitting program. The electrical energy stored in the energy storage device is accurately converted into light energy to drive the high-brightness LED to emit light. These LEDs have been professionally optically designed, with uniform light distribution and strong penetration. They can clearly outline the road contour, mark curves and dangerous areas, and effectively attract the driver's attention. At the same time, the adjustable brightness and flashing frequency settings can also meet the personalized needs of different road scenes, ensuring safety while achieving energy-saving operation.
Solar road stud can be divided into embedded type and raised type according to different installation position.
The former is usually used in the center line and the latter in the edge line. This is because the solar road marker which installed in the middle line resistance pressure performance requirements are particularly high, in order to solve this problem, must to bury the solar road stud into the ground, only exposed to the ground about 5 mm. However, the anti-compressive performance requirements of the solar road marker used on the edge line are not particularly high, and the protruding ground can still work effectively.
Solar road studs can be divided into capacitive and battery types according to different energy storage elements. The former has a service life of five to seven years, and the latter has a service life of generally one to three years.
Because the embedded solar road studs cause great damage to the road surface, and the capacitive solar road markers are too expensive, the most commonly used current is the raised battery solar road studs.
