自发光高可视警示服的可视性能评价

Visual ability evaluation of self-luminous high visual ability warning clothing

为评价自发光警示服的可视性能,采用稀土发光材料、反光材料、发光二极管(light emitting diode, LED)灯带及电激发光(electro luminescent, EL)冷光线制备了2款具有光致发光与电致发光特性的自发光高可视警示服试样。通过可视时间与可视距离测试,对试样的可视性能进行评价。结果表明:时间及距离在很大程度上影响可视性能,相较于距离,时间对可视性能的影响更大,第一代高可视警示服的可视时间与可视效果相关度更高,第二代高可视警示服的发光性能更稳定。

To evaluate the visual ability of self-luminous warning clothing,two self-luminous high visual ability warning clothing samples were prepared utilizing rare earth luminous materials,reflective materials,light emitting diode(LED)lamp strips and electro luminescent(EL)cold light as raw materials to exhibit photo luminescence and electro luminescence characteristics.The visual ability of the samples was assessed through visual time and visual distance tests.The findings revealed that both visual time and visual distance significantly impacted the overall visual effect.Compared with visible distance,visible time had a greater impact on the visual ability.The first generation of high visual ability warning clothing demonstrated a higher correlation between visual time and the resulting visual effect,while the second generation exhibited more stable luminous performance.