Types and Applications of Streetlight Lenses

Release Date:

2020-06-18 14:44

Source:

1. Streetlight Lens Angle Specifications 1) Since different roads have varying optical requirements—such as streetlight height, spacing between poles, and road type (e.g., arterial, collector, local access, residential areas, etc.)—the required lens angles for streetlights also differ.

Streetlight lens Specifications of
1. Streetlight lens Angle specification
1) This is because different types of roads have distinct lighting requirements, such as streetlight height, the spacing between poles, and the road classification (e.g., arterial roads, collector roads, local streets, residential areas, etc.). Streetlight lens The requirements from different perspectives also vary.
2) Generally speaking, Streetlight lens The beam angle specifications are: 60°, 80°, 100°, and 120°.
3) The height of streetlight poles on main roads is typically 10–12 m, with a spacing of 30–35 m between poles; accordingly, the required beam angle of the streetlight lens is calculated to be 100–120 degrees.
2. Streetlight lens Spot size specifications
1) Round light spot from streetlight lenses: Typically used in residential courtyards and communities; road lighting where the illumination range and illuminance requirements are not particularly high.
2) Elliptical light spots produced by streetlight lenses (such as the Renda optical‑circuit lens model ST‑V20H‑LT2060) are generally suitable for motorized vehicle lanes or non‑motorized bike paths. When a circular light spot is projected, a dark zone appears at the intersection of the circles. Along the entire roadway, the light distribution is uneven, and in some areas the circular light pattern extends beyond the pavement, resulting in ineffective utilization of the illumination.
3) Streetlight lens Rectangular light spot: Designed for motor vehicle lanes, it makes efficient use of LED illumination. The focused light is evenly distributed across the road surface, resulting in a uniform light pattern.
4) Street‑light lenses have relatively modest requirements for luminous efficacy, beam‑angle control, and spot‑uniformity. Whether the illuminance levels on roads meet the relevant standards is a key consideration for street‑light manufacturers during the design phase—such as determining appropriate power ratings, selecting LEDs from different brands, and choosing LEDs with varying lumen outputs.
3. Streetlight lens Appearance Specifications
1. Single Streetlight lens
Combining multiple individual streetlight lenses—each lens corresponding one-to-one with an LED—offers the advantage of flexible application.
(2) For example, use any number of small LED lenses and arrange them as needed.

Keywords:

Streetlight lens

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