WO2013120333A1 - 远近光一体的车灯 - Google Patents

远近光一体的车灯 Download PDF

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Publication number
WO2013120333A1
WO2013120333A1 PCT/CN2012/076838 CN2012076838W WO2013120333A1 WO 2013120333 A1 WO2013120333 A1 WO 2013120333A1 CN 2012076838 W CN2012076838 W CN 2012076838W WO 2013120333 A1 WO2013120333 A1 WO 2013120333A1
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WIPO (PCT)
Prior art keywords
light
lens
optical lens
emitting diode
arc
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PCT/CN2012/076838
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English (en)
French (fr)
Inventor
徐煜
Original Assignee
宁波比格斯通光电科技有限公司
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Priority claimed from CN2012200488859U external-priority patent/CN202452347U/zh
Priority claimed from CN2012100340428A external-priority patent/CN103256541A/zh
Application filed by 宁波比格斯通光电科技有限公司 filed Critical 宁波比格斯通光电科技有限公司
Publication of WO2013120333A1 publication Critical patent/WO2013120333A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
    • F21S41/335—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with continuity at the junction between adjacent areas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis

Definitions

  • the present invention generally relates to a vehicle lamp, and more particularly to a vehicle lamp in which the near and far light are integrated.
  • BACKGROUND OF THE INVENTION Currently used far and near light integrated vehicle lamps include a light blocking flap mechanism that forms a far and near light switch and a device that drives the flap mechanism.
  • the light blocking flap mechanism is disposed at the switching illumination of the light source of the lamp and the optical lens.
  • the standard of far and near illumination of the headlights stipulates the distribution of the near and far illumination, which makes the components of the far and near light integrated vehicle lamp have corresponding structure and corresponding positional relationship between the components.
  • the present invention can fully meet the illumination distribution standard of the existing near-integrated light integrated vehicle lamp by the arrangement of the shape, size and position of each component of the lamp.
  • the present invention provides a vehicle lamp with a near-infrared light, comprising: an illuminant assembly having an illuminant and a reflecting surface for the illuminant, the illuminator being a light emitting diode, and the reflecting surface is composed of a plurality of curved surfaces of different radii
  • the segments are connected step by step, and the transition between the segments is smooth; the optical lens, the light from the illuminant is reflected by the reflecting surface and then emitted from the optical lens, the optical lens is an aspherical convex mirror structure, and the end surface of the lens facing the illuminator It is a planar structure, and the other side is an aspherical convex structure, which is formed by connecting a plurality of arcs of different diameter
  • the convex surface of the lens is smoothly connected by two curved surfaces, and the first curved surface extends from the edge of the lens toward the center, and the diameter is 98.2 mm; the curved surface of the second curved surface is the middle of the convex surface of the lens.
  • the heart part with a diameter of 53.6 mm.
  • the reflecting surface is composed of three arc segments smoothly connected one by one, the radius of the first arc surface from the lower part is 8.9 mm, the radius of the second arc surface is 8.7 mm, and the radius of the third arc is 27.2. Glutinous rice.
  • FIG. 1 is a schematic view of a vehicle lamp of one embodiment of the present invention
  • FIG. 2 is a perspective view of a vehicle lamp of the present invention.
  • 1-illuminator assembly 11-light emitting diode, 12-chip, 13-illuminator holder, 14-reflecting surface, 15-reflector, 2-optical lens, 21-lens holder, 3-lighting flap, D1-non Spherical lens first segment arc diameter, D2-aspheric lens second segment arc diameter, D3-lens edge profile diameter, R1 - reflection surface first segment radius, R2-reflection surface second segment arc radius, R3-reflection surface third Segment arc radius, L1-the distance from the lens section to the shading plate centerline, L2-the distance from the shading plate centerline to the far end of the LED.
  • the near-light integrated lamp of the present invention comprises an illuminant assembly 1, an optical lens assembly and a bluffing flap assembly, and the illuminator assembly 1 comprises a high-power LED 11 and an illuminator bracket constituting the illuminant.
  • a chip 12 for controlling the light emitting diode is connected to the bottom of the light emitting diode 11.
  • the chip 12 is closely connected to the illuminant holder 13 , and the reflector 15 for the light emitting diode 11 is disposed on one side of the illuminant holder.
  • the reflector faces the LED 11 and is provided with a concave reflecting surface 14; the LEDs may be formed in a single number or in an odd or even combination, and the light beams of the LEDs in the combined illuminators are arranged as needed.
  • the optical lens assembly includes an optical lens 2 having an edge profile diameter D3 of 60 to 70 mm, preferably 67 mm, and a diameter of 67 mm. The light from the illuminant is reflected by the optical lens 2.
  • the light-shielding flap assembly includes a light-shielding flap 3 and a driving device (not shown), the light-shielding flap 3 is driven by a driving device, and the light-shielding flap 3 is disposed between the light-emitting diode 11 and the optical lens 2, and the light-shielding flap 3 is made
  • the passing light passes through or partially blocks, forming a switching illumination of far and near light.
  • the optical lens 2 is an aspherical convex mirror structure, the end surface of the optical lens 2 facing the illuminator is a plane, and the other surface of the lens is a convex surface, and the convex surface is formed by a smooth transition connection of two circular arc surfaces.
  • the arc surface of the segment is from the edge to the center, and the diameter D1 of the first segment is 98.2 mm; the second segment of the arc is the center portion, and the diameter D 2 of the second segment is 53.6 mm.
  • the reflecting surface 14 corresponding to the illuminant bracket 13 is continuously connected by three arcs of different radii, and the radius R1 of the first section is 8.9 ⁇ m from the lower part of the reflecting surface, and the radius R2 of the second section is 8.7 ⁇ m.
  • the radius R3 of the third section is 27.2 mm, and a smooth transition between the arc surfaces of each section.
  • the shading flap 3 is a fan-shaped structure or an approximately fan-shaped structure, one top surface is horizontally disposed, and the other top surface is at an angle of 15° with the extension line of the horizontal portion, and the top surface of the shading flap 3 constitutes the light of the shading flap 3 Cut-off surface.
  • the focal point of the optical lens 2, the horizontal edge of the upper end of the light-shielding flap 3 (i.e., the horizontal portion of the top ray cut-off surface, that is, the top surface of the horizontal arrangement), and the top surface of the light-emitting diode 11 are on the same horizontal plane. Further, as shown in FIG.
  • the distance L1 of the optical lens 2 toward the center line of the thickness direction of the light-shielding plate 3 toward the flat end surface of the light-emitting body assembly 1 is 40 mm. Further, as shown in FIG. 1, the distance from the distal end of the light-emitting diode to the center line in the thickness direction of the light-cut surface of the light-shielding flap 3 is 15.6 mm.
  • the light-emitting diode 11 can be adjusted in the horizontal axis direction by a level of plus or minus 1.5 mm.
  • the focal point of the reflecting surface 14 corresponding to the illuminant holder 13 is located on the top surface of the light emitting diode, and the reflecting surface 14 can be adjusted in the vertical direction by plus or minus one metre.
  • the invention can fully meet the illumination distribution standard of the existing near-integrated light integrated vehicle by the arrangement of the shape, size and position of each component of the lamp.
  • the above disclosure is only one specific embodiment of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Abstract

一种远近光一体的车灯，包括发光体组件（1），其具有发光体和针对发光体的反射面（14），发光体为发光二极管（11），反射面（14）由多段不同半径的弧面连接而成，各段弧面之间平滑过渡；光学透镜（2），来自发光体的光线经反射面（14）反射后从光学透镜（2）射出，光学透镜（2）为非半球面的凸镜结构，透镜面向发光体一侧为平面，另一侧为凸起的具有不同直径的多段弧面，弧面之间平滑连接；遮光翻板（3），设置于光学透镜(2）与发光体之间且位于透镜端面与发光二极管（11）之间，使经过的光线全部通过或部分遮挡，形成远、近光的切换照射。光学透镜（2）的焦点、遮光翻板（3）顶端的水平光线截止面以及发光二极管（11）的顶面处于同一水平面上，且光学透镜（2）的焦点位于遮光翻板（3）厚度方向的中心线。

Description

远近光一体的车灯 技术领域 本发明涉及一种车灯， 特别涉及一种远近光一体的车灯。 背景技术 目前使用的远近光一体的车灯包括形成远、 近光切换的遮光翻板机 构和驱动翻板机构的装置。 遮光翻板机构设置于车灯光源与光学透镜之 的切换照射。 车灯的远近光照的标准规定了远近光照强弱分布， 这使得 远近光一体车灯中各组件必须具有相应的结构及各组件之间具有对应的 尺寸位置关系。 发明内容 本发明通过车灯各组件的形状、 尺寸、 位置的设置， 可充分满足现 有的远近光一体车灯的光照分布标准。 为实现上述目的， 本发明提供一种远近光一体的车灯， 包括： 发光 体组件， 其具有发光体和针对发光体的反射面， 发光体为发光二极管， 反射面由多段不同半径的弧面逐段连接而成， 各段弧面之间平滑过渡； 光学透镜， 来自发光体的光线经反射面反射后从光学透镜射出， 光学透 镜为非球面凸镜结构， 透镜面向发光体一侧的端面为平面结构， 另一侧 为非球面的凸起结构， 由不同直径的多段弧面逐段连接而成， 弧面之间 平滑连接； 遮光翻板， 其设置于光学透镜与发光体之间， 遮光翻板顶部 具有水平和倾斜的光线截止面， 使经过的光线全通过或部分遮挡， 形成 远、 近光的切换照射； 光学透镜的焦点、 遮光翻板顶端的水平光线截止 面以及发光二极管的顶面处于同一水平面上。 优选地， 透镜凸起面由两段弧面平滑连接而成， 首段弧面由透镜的 边缘向中心延伸， 直径为 98.2亳米； 第二段弧面弧面为透镜凸起面的中 心部分， 直径为 53.6亳米。 优选地， 反射面由三段逐段平滑连接的弧面构成， 自下部开始的首 段弧面半径为 8.9亳米， 第二段弧面半径为 8.7亳米， 第三段弧面半径为 27.2亳米。 其中， 透镜断面至遮光翻板厚度方向的中心线的距离为 40.0亳米， 光学透镜的焦点落在遮光翻板厚度方向的中心线上。 其中， 发光二极管远端至遮光翻板厚度方向中心线之间的距离是 15.6亳米。 其中， 发光二极管在水平轴线方向上的调节幅度为 ± 1.5亳米； 反射 面的焦点位于发光二极管的底面上， 反射面在垂直方向上的调节幅度为 土 1.0亳米。 与现有技术相比， 本发明通过车灯各组件的形状、 尺寸、 位置的设 置， 可充分满足现有的远近光一体车灯的光照分布标准。 附图说明 图 1是本发明远近光一体的车灯的示意图； 图 2是本发明远近光一体的车灯的立体示意图。
1-发光体组件， 11-发光二极管， 12-芯片， 13-发光体支架， 14-反射 面， 15-反射体， 2-光学透镜， 21-透镜支架， 3-遮光翻板， D1-非球面透 镜首段弧直径， D2-非球面透镜第二段弧直径， D3-透镜的边缘轮廓直径， R1 -反射面首段半径， R2-反射面第二段弧半径， R3-反射面第三段弧半径， L1-透镜断面至遮光翻板中心线的距离， L2-遮光翻板中心线至发光二极 管远端的距离。 具体实施方式 下面结合附图， 对本发明的具体实施方式进行详细描述， 但应当理 解本发明的保护范围并不受具体实施方式的限制。 本发明的远近光一体的车灯如图 1、 2所示， 包括发光体组件 1、 光 学透镜组件和遮光翻板组件， 发光体组件 1 包括构成发光体的高功率发 光二极管 11和发光体支架 13 , 发光二极管 11的底部连接有控制发光二 极管的芯片 12, 芯片 12与发光体支架 13贴合紧固连接， 发光体支架设 有发光二极管 11的一侧设有针对发光二极管 11的反射体 15, 反射体面 向发光二极管 11设有凹陷的反射面 14; 发光二极管可以是单一数量或 呈奇数或偶数组合构成， 组合构成的发光体中的各发光二极管的光线射 向根据需要设置。 光学透镜组件包括光学透镜 2和透镜支架， 光学透镜 的边缘轮廓直径 D3为 60亳米至 70亳米， 优选直径在 67亳米， 来自发 光体的光线反射后经光学透镜 2射出。 遮光翻板组件包括遮光翻板 3和 驱动装置（图中未示出）， 遮光翻板 3受驱动装置驱动， 遮光翻板 3设置 于发光二极管 11与光学透镜 2之间，遮光翻板 3使经过的光线全通过或 部分遮挡， 形成远、 近光的切换照射。 其中， 光学透镜 2为非球面凸镜结构， 光学透镜 2的面向发光体一 侧的端面为平面， 透镜的另一面为凸起面， 凸起面由两段圆弧面平滑过 渡连接构成， 首段弧面由边缘向中心， 首段弧直径 D1为 98.2亳米； 弧 面的第二段为中心部分， 第二段弧直径 D 2为 53.6亳米。 发光体支架 13 所对应的反射面 14由三段不同半径的圆弧面逐段连续连接而成， 自反射 面下部开始首段半径 R1为 8.9亳米， 第二段半径 R2为 8.7亳米， 第三 段半径 R3为 27.2亳米， 各段圆弧面之间平滑过渡。 遮光翻板 3为扇形 结构或近似扇形结构， 一顶面为水平设置， 另一顶面与水平部分的延伸 线呈 15° 夹角， 遮光翻板 3的顶面构成了遮光翻板 3的光线截止面。 光 学透镜 2的焦点、 遮光翻板 3的上端水平边沿 （即顶端光线截止面的水 平部分， 也即前述水平设置的顶面）以及发光二极管 11的顶面处于同一 水平面上。 进一步如图 1所示， 光学透镜 2朝向发光体组件 1的平端面至遮光 翻板 3厚度方向的中心线的距离 L1为 40亳米。 进一步如图 1所示， 发光二极管远端至遮光翻板 3光线截止面的厚 度方向的中心线的距离是 15.6亳米。 发光二极管 11在水平轴线方向上可以作正负 1.5亳米的水平调节。 发光体支架 13所对应的反射面 14的焦点位于发光二极管的顶面上， 反 射面 14在垂直方向上可以作正负 1亳米的调节。 与现有技术相比， 本发明通过车灯各组件的形状、 尺寸、 位置的设 置， 可充分满足现有的远近光一体车灯的光照分布标准。 以上公开的仅为本发明的一个具体实施例， 但是， 本发明并非局限 于此，任何本领域的技术人员能思之的变化都应落入本发明的保护范围。

Claims

权 利 要 求 书
1. 一种远近光一体的车灯， 其特征在于， 包括：
发光体组件， 其包括发光体和针对所述发光体的反射面； 发光体为 发光二极管， 所述反射面由多段不同半径的弧面逐段连接而成， 各段弧 面之间平滑过渡； 透镜射出； 光学透镜为非球面凸镜结构， 透镜面向发光体一侧的端面为 平面结构， 另一侧为凸起面， 且由多段不同直径的弧面逐段连接而成， 弧面之间平滑连接；
遮光翻板， 其设置于所述光学透镜与发光体之间， 所述遮光翻板顶 部具有水平和倾斜的光线截止面， 使经过的光线全通过或部分遮挡， 形 成远、 近光的切换照射；
所述光学透镜的焦点、 遮光翻板顶端的水平光线截止面以及发光二 极管的顶面处于同一水平面上。
2. 根据权利要求 1所述的远近光一体的车灯， 其特征在于， 所述凸 镜结构的凸起面由两段弧面连接构成， 首段弧面由透镜的边缘向中心延 伸，直径为 98.2亳米；第二段弧面为透镜的中心部分，直径为 53.6亳米。
3. 根据权利要求 1所述的远近光一体的车灯， 其特征在于， 所述反 射面由三段的弧面逐段连接构成， 相邻的弧面之间平滑过渡连接， 自下 部开始的首段弧面半径为 8.9亳米， 第二段弧面半径为 8.7亳米， 第三段 弧面半径为 27.2亳米。
4. 根据权利要求 1至 3所述的任一远近光一体的车灯，其特征在于， 所述透镜朝向发光体组件的平面至遮光翻板厚度方向的中心线的距离为 40.0亳米， 所述光学透镜的焦点落在遮光翻板厚度方向的中心线上。
5. 根据权利要求 4所述的远近光一体的车灯， 其特征在于， 所述发 光二极管远端至遮光翻板厚度方向中心线之间的距离是 15.6亳米。
6. 根据权利要求 5所述的远近光一体的车灯， 其特征在于， 所述发 光二极管在水平轴线方向上的调节幅度为 ± 1.5亳米。
7. 根据权利要求 5所述的远近光一体的车灯， 其特征在于， 所述反 射面的焦点位于所述发光二极管的顶面上， 反射面在垂直方向上的调节 幅度为土 1.0亳米。
PCT/CN2012/076838 2012-02-15 2012-06-13 远近光一体的车灯 WO2013120333A1 (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN2012200488859U CN202452347U (zh) 2012-02-15 2012-02-15 远近光一体的车灯
CN201220048885.9 2012-02-15
CN201210034042.8 2012-02-15
CN2012100340428A CN103256541A (zh) 2012-02-15 2012-02-15 远近光一体的车灯

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