Journal of Applied Optics, Volume. 41, Issue 2, 382(2020)

Optical design of complex curved surfaces automotive headlamp based on light barrier with extended reflectors

Hongbing YAO1... Feng CHEN1, Liucheng LI2 and Haiyun ZHANG2 |Show fewer author(s)
Author Affiliations
  • 1School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China
  • 2Jiangsu Yinuo Vehicle Parts CO., LTD., Danyang 212300, China
  • show less
    Figures & Tables(15)
    Schematic diagram of light distribution screen
    LED power drive settings
    Diagram of ray trend
    Different reflectors of complex curved surfaces design
    Different reflectors of samples
    Circular lens and its opening position
    Radiator and fan
    Monte Carlo ray tracing dialog
    Simulation of optical design on headlamps with extended reflectors
    LID measure test of low beam
    Sample lamp module
    Test system and measurement of each test point
    • Table 1. Road illumination standards of low beam in Geely

      View table
      View in Article

      Table 1. Road illumination standards of low beam in Geely

      等级参数
      W10(m) @5 lx W20(m) @5 lx W40(m) @5 lx E1(lx) @10 m-20 m E2(lx) @65 m R1.5
      注:W10(m)@5 lx——车前10 m处5 lx照度宽度;E1(lx)@10 m~20 m——车前中心位置10 m~20 m之间的最大照度值;E2(lx)@65 m R1.5——车前65 m右侧1.5 m处照度值。
      1≥16≥25≥14≥180≥12
      2≥14≥22≥12≥150≥9
      3≥12≥18≥10≥130≥7
      4≥10≥15≥8≥110≥5
      5≥8≥12≥6≥90≥3
    • Table 2. Road illumination test of low beam in Geely

      View table
      View in Article

      Table 2. Road illumination test of low beam in Geely

      测试内容W10(m)@5 lxW20(m)@5 lxW40(m)@5 lxE1(lx)@10 m~20 mE2(lx)@65 m R1.5
      模拟参数:车宽1.345 m,车高0.726 8 m,初始下倾角1.0%。
      具有延展面的设计14.81(2级)21.43(3级)14,12(1级)157.83(2级)10.79(2级)
      不具有延展面的设计14.32(2级)20.17(3级)13.87(2级)152.11(2级)9.94(3级)
      灯具端电压13.2 V×0.85面罩损耗
    • Table 3. Road illumination test of low beam in Geely

      View table
      View in Article

      Table 3. Road illumination test of low beam in Geely

      测试内容W10(m)@5 lxW20(m)@5 lxW40(m)@5 lxE1(lx)@10~20 mE2(lx)@65 m R1.5
      模拟参数:车宽1.345 m,车高0.726 8 m,初始下倾角1.0%。
      模拟测试数据14.81(2级)21.43(3级)14,12(1级)157.83(2级)10.79(2级)
      样灯实测数据14.63(2级)20.88(3级)13.76(2级)154.21(2级)10.63(2级)
      灯具端电压13.2 V×0.85面罩损耗
    Tools

    Get Citation

    Copy Citation Text

    Hongbing YAO, Feng CHEN, Liucheng LI, Haiyun ZHANG. Optical design of complex curved surfaces automotive headlamp based on light barrier with extended reflectors[J]. Journal of Applied Optics, 2020, 41(2): 382

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category:

    Received: Apr. 1, 2019

    Accepted: --

    Published Online: Apr. 23, 2020

    The Author Email:

    DOI:10.5768/JAO202041.0205001

    Topics