How Far is the Visible Distance of Solar Traffic Signs?
2024-12-07
The role of solar traffic signs is to provide clear road information at night or in poor light conditions. It is important to be able to clearly distinguish the information on the sign from a long distance. This long-distance visibility not only improves the conspicuousness of the traffic sign but also effectively enhances the driver’s attention, thereby helping to improve road traffic safety. How far is the visible distance of solar flashing traffic signs? This visible distance depends on many factors. Let’s analyze it in detail!
Visible distance of solar powered led traffic signs
The visible distance of solar traffic signs is considerable, usually far exceeding traditional traffic signs. This is due to the high-brightness LED light-emitting tubes and advanced solar power supply systems used. Specifically, solar led traffic signs (such as solar yellow flashing signal lights, solar traffic lights, etc.) are generally visible at a distance of more than 700 meters in the case of sufficient sunlight during the day, and the visible distance of some high-performance products is even farther. At night or in dim light conditions, due to the continuous illumination of the LED light-emitting tube, the visible distance of solar traffic signs can also be maintained at more than 500 meters, and the visible distance of some products at night can reach 1000 meters or more.
What factors affect the visible distance of flashing solar LED traffic signs?
1. Brightness of light source
The light source of solar powered LED traffic signs generally uses LED lamp beads. The brightness and beam angle of LED lamps will directly affect the visible distance. The brightness range of common solar traffic signs is between 300 lumens and 1500 lumens. The higher the brightness, the farther the visible distance. The emitting angle and focusing effect of an LED will also affect its visible distance. A reasonable emitting angle and excellent focusing effect can make the light more concentrated, thereby increasing the visible distance. Wider angles are suitable for roads with dense traffic, while narrower angles are suitable for long-distance visibility requirements.
2. Installation height
The installation height of solar traffic signs will also affect their visible distance. Generally speaking, traffic signs should be installed at an appropriate height to ensure clear visibility under various traffic conditions. On urban or rural roads, traffic signs are usually installed between 2.5 meters and 4 meters. The higher the installation height, the farther the driver can see the sign.
3. Weather and lighting conditions
In clear and sunny weather, solar panels can fully absorb solar energy and convert it into electrical energy, providing sufficient power support for LEDs, thereby ensuring their high brightness and long-distance visibility. However, under rainy, foggy, and other weather conditions, the power generation efficiency of solar panels will be affected, which in turn affects the brightness of LEDs, shortening the visible distance.
4. Sign type and design
Different types of solar powered LED traffic signs require different brightness and design to ensure effective visible distance. For example, warning signs, speed limit signs, and direction signs have different visibility requirements. Warning signs, such as dangerous sections and construction areas, require higher brightness so that drivers can perceive potential dangers at a longer distance. The visible distance of speed limit signs can be adjusted according to traffic flow and road type.
In short, the visible distance of solar traffic signs is related to many factors and the requirements of the actual installation section. Setting a suitable visible distance of flashing solar LED traffic signs can not only ensure that drivers can identify the information of the sign within an appropriate distance and respond in time, but also avoid energy waste and extend the service life of solar traffic signs.
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