WO2020173075A1 - 采用聚光器的车灯模组 - Google Patents

采用聚光器的车灯模组 Download PDF

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Publication number
WO2020173075A1
WO2020173075A1 PCT/CN2019/104713 CN2019104713W WO2020173075A1 WO 2020173075 A1 WO2020173075 A1 WO 2020173075A1 CN 2019104713 W CN2019104713 W CN 2019104713W WO 2020173075 A1 WO2020173075 A1 WO 2020173075A1
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Prior art keywords
light
module
lens
vehicle lamp
lamp module
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PCT/CN2019/104713
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English (en)
French (fr)
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祝贺
仇智平
刘西原
李聪
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华域视觉科技(上海)有限公司
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Publication of WO2020173075A1 publication Critical patent/WO2020173075A1/zh

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    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • 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

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  • the invention relates to a vehicle lamp module, in particular to a vehicle lamp module adopting a condenser, and belongs to the technical field of vehicle lamp modules.
  • a vehicle lamp module In the field of vehicle lamp technology, a vehicle lamp module generally refers to a device that has a plastic or glass lens or equivalent structure as the final light emitting element and is used for the illumination of the headlight of an automobile.
  • the purpose of the present invention is to provide a vehicle light module using a condenser, the main function of the vehicle light module is set as a condenser that is bent up and down, and the integrated function of the vehicle light module is integrated
  • the components and lenses are integrated into an integrated structure, combined with the corresponding optical structure design, so that the weight, volume, cost and optical performance of the lamp module can be further optimized and improved.
  • a vehicle lamp module adopting a condenser comprising a lens 1, the rear part of the lens 1 partially extends backwards at least one integrated function light incident structure 1b corresponding to the integrated function light source 3 module; the lens 1 and The integrated function light source 3 is fixed as a whole by a mounting bracket; the main body of the lens 1 also serves as the final emitting part of the main function light source 4.
  • a part of the front end light emitting surface of the lens 1 corresponds to the position of the module integrated function light incident structure 1b to extend forward from the module integrated function light emitting structure 1c.
  • the condenser 2 is L-shaped, and its bending part is a total reflection surface.
  • the main function light source 4 corresponds to one end of the condenser 2 and the other end of the condenser 2 is aligned with the lens 1.
  • the module integrated function light emitting structure 1c is a columnar structure protruding from the lens 1, and is arranged on the upper side or the lower side of the lens body 1a.
  • the main function light source 4 is arranged at the rear end of the focal point of the lens 1 as the main function light source of the module.
  • the light of the main functional light source 4 is projected by the condenser 2 to the rear light-incident surface of the lens 1, and then projected through the lens 1 in the area in front of the vehicle lamp module.
  • the front area forms the light shape of the DRL, corner light, and position light of the vehicle light.
  • module integrated function light incident structure 1b is a condensing cup structure with a hollow center and a gradually enlarged outer cross section; the end surface of the integrated function light incident structure 1b is flat or curved and the outer cross section gradually expands.
  • the end of the module integrated function light emitting structure 1c is provided with a module integrated function light emitting surface 1d, and the module integrated function light emitting surface 1d is set as a plurality of irregular small curved surfaces.
  • the light-emitting surface of the integrated function of the module is shared with the light-emitting surface of the main function of the module, and the front end surface of the lens 1 is a smooth convex lens curved surface.
  • the light exit surface of the lens 1 is provided with a local microstructure in the front and rear direction corresponding to the module integrated function light entrance structure 1b, and the local microstructure is a convex or concave curved surface or any Arranged granular structure.
  • the lamp module has a high degree of integration and relatively low cost, because the condenser is set as the primary optical element of the main function of the lamp module, and the lens is used as the secondary optical element of the lamp module.
  • the integrated functional optical structure and the lens are set as an integrated structure, which improves the optical performance of the car lamp module, mainly due to the improvement of optical efficiency and functional diversification. This is due to the primary optical element as the main function, compared with the condenser The optical efficiency of the mirror is high;
  • the car light module is more miniaturized, because the optical structure of other functions (such as DRL, corner light, position light) and the lens are integrated to make full use of the optical space of the car light module;
  • the main function concentrator is set in a shape that is bent up and down, which can greatly shorten the length of the car light module and make the volume of the car light module more compact.
  • Figure 1 is a three-dimensional structural view of the car lamp module assembly of the present invention
  • Figure 2 is a cross-sectional view of the vehicle lamp module assembly shown in Figure 1;
  • Figure 3 is a three-dimensional structural view of the optical element of the lamp module of the present invention.
  • FIG. 4 is a schematic diagram of the direction of light rays in the optical elements of the vehicle lamp module shown in FIG. 3;
  • Fig. 6 is the second three-dimensional structural diagram of the lens of the lamp module of the present invention.
  • Fig. 7 is the third three-dimensional structural diagram of the lens of the lamp module of the present invention.
  • Fig. 8 is the fourth of the three-dimensional structural diagram of the lens of the lamp module of the present invention.
  • the main function light source 4 of the module is arranged at the lower end of the vehicle lamp module, and is dispersedly arranged left and right.
  • 1a is a lens body, and a convex light-incident structure 1b is provided on a part of the rear light-incident surface of the lens 1, which serves as a module-integrated functional light-incident structure.
  • a part of the front end of the light emitting surface of the lens 1 is provided with a module integrated function light emitting structure 1c at a position corresponding to the module integrated function light incident structure 1b.
  • the module integrated function light-incident structure 1b is arranged as a light-concentrating cup structure with a hollow center and a gradually enlarged outer cross-section.
  • the module integrated function light emitting structure 1c is a cylindrical structure projecting the lens 1 and is arranged on the upper side of the lens body 1a.
  • the end of the module integrated function light emitting structure 1c is provided with a module integrated function light emitting surface 1d; the module integrated function light emitting surface 1d is set as a number of irregular small curved surfaces.
  • Each module integrated light source 3 and the module integrated function light incident structure 1b are arranged correspondingly.
  • the main function condenser 2 of the module is arranged in a downwardly bent shape, similar to an "L" shape, so that the size of the vehicle lamp module in the front and rear direction is further reduced.
  • the end close to the lens is set as the light-emitting surface, and the upper or lower boundary of the light-emitting surface is set as a cut-off line shape to form a car light shape with a cut-off line.
  • the low beam or high beam light shape of the car light has a cut-off line, It is necessary for the light to be corrected by the structure of the cut-off line shape before entering the lens. This is common knowledge in the technical field and will not be described in detail here.
  • the end far away from the lens is set as a light-incoming structure, and the light-incoming structure is set as a condensing cup structure with a hollow center and a gradually enlarged outer cross-section.
  • the upper and lower bends of the main function condenser 2 of the module are provided with a total reflection surface .
  • the vehicle lamp module is also provided with a fan, and the position setting corresponds to the position of the main function light source 4 of the module.
  • the light of the main function light source 4 of the module is projected by the main function condenser of the module to the rear light-incident surface of the lens 1, and then is projected by the lens 1 into the area in front of the car light module to form a car.
  • the low beam or high beam shape of the lamp, the light of the module integrated function light source 3 enters the lens 1 through the module integrated function light entrance structure 1b, and is projected on the area in front of the car lamp module through the lens 1 to form the DRL of the car lamp , Corner light, position light or high beam light shape.
  • the shape of the module integrated function light incident structure 1b and the light output structure may also have other forms.
  • the module integrated function light incident structure 1b is set to have a flat end surface or With a curved surface and gradually enlarged outer cross-section, the light-emitting surface of the integrated function of the module is shared with the light-emitting surface of the main function of the module, and the front end surface of the lens 1 is a smooth convex lens curved surface.
  • the light exit surface of the lens 1 is provided with local microstructures in the front and rear direction corresponding to the module integrated function light entrance structure 1b, and the area is shaded in FIG. 8 It is shown that the local microstructure is a convex or concave arc surface or a granular structure randomly arranged, for example, it can be set as a skin texture structure on the surface of the lens in this area.
  • the invention is used for lighting the headlights of automobiles and is placed in the headlights of automobiles.
  • the performance of the car lamp module is improved through the arrangement of specific optical elements and the integration of other optical element structures in the lens, optimized optical elements, systems, and integrated lenses, especially The volume and optical performance can be greatly optimized and improved.
  • the front and back, up and down, and left and right referred to in the present invention are consistent with the front and back, up and down, and left and right of the vehicle body coordinate system when the headlight where the vehicle lamp module is installed on the vehicle body.
  • the direction of the optical axis of the lens is forward and backward, and the direction on the side where the light source is located is backward

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

一种采用聚光器（2）的车灯模组，包括透镜（1），透镜（1）后部局部向后伸出至少一个与集成功能光源（3）对应的集成功能入光结构（1b）；透镜（1）与集成功能光源（3）通过安装支架固定为一体；透镜（1）的主体还作为主功能光源（4）的最终出射部件。将集成功能的光学结构和透镜（1）设置为一体结构，使车灯模组的光学效率和功能多样化提高，车灯模组更加小型化，充分利用车灯模组的光学空间；将主功能聚光器（2）设置为上下弯折的形状，可大幅缩短车灯模组长度方向的距离，使得车灯模组的体积更加小巧。

Description

采用聚光器的车灯模组 技术领域
本发明涉及一种车灯模组，具体涉及一种采用聚光器的车灯模组，属于车灯模组技术领域。
背景技术
在车灯技术领域，车灯模组一般是指具有塑料或玻璃材质透镜或相当结构的零件作为最终出光元件，且用于汽车前照灯照明的装置。随着汽车工业的发展，车灯模组在车灯中的应用越来越广泛，市场对模组功能多样化以及小型化等的需求越来越多。
目前，对于车灯模组有采用反射镜的形式，也有采用聚光器的结构形式，其中，采用聚光器的形式光学效率较高，但是目前也存在以下的缺陷：1)作为模组另一种集成功能的光学元件和透镜是分开设置的，模组结构较为复杂，光学系统欠佳；2)模组的光学系统构成较复杂，使得模组整体结构复杂，尺寸较大，同时带来模组重量和成本等方面的局限性。可见，现有技术在小型化、集成化和低成本，以及光学性能等方面，还有待进一步改进。
发明内容
本发明的目的是提供一种采用聚光器的车灯模组，将车灯模组的主功能的光学元件设置为上下弯折的聚光器，且将车灯模组的集成功能的光学元件和透镜集成设置为一体结构，结合相应的光学结构设计，使得车灯模组的重量、体积、成本和光学性能等得以进一步优化和提升。
本发明采取以下技术方案：
一种采用聚光器的车灯模组，包括透镜1，所述透镜1后部局部向后伸出至少一个与集成功能光源3模组对应的集成功能入光结构1b；所述透镜1与集成功能光源3通过安装支架固定为一体；所述透镜1的主体还作为主功能光源4的最终出射部件。
进一步的，所述透镜1的前端出光面的局部、对应所述模组集成功能入光结构1b的位置向前伸出模组集成功能出光结构1c。
更进一步的，聚光器2呈L形，其折弯部位为全反射面，主功能光源4与聚光器2一端对应，聚光器2另一端对准透镜1。
更进一步的，所述模组集成功能出光结构1c为凸出所述透镜1的柱状结构，且设置于透镜主体1a的上侧或下侧。
更进一步的，主功能光源4设置在透镜1焦点的后端，作为模组主功能光源。
再进一步的，主功能光源4的光由所述聚光器2投射向所述透镜1的后端入光面，然后经所述透镜1投射在处于所述车灯模组前面的区域中形成车灯的近光或远光光形；所述集成功能光源3的光由所述模组集成功能入光结构1b进入所述透镜1，经所述透镜1投射在处于所述车灯模组前面的区域中形成车灯的DRL、角灯、位置灯的光形。
进一步的，所述模组集成功能入光结构1b为中部空心内凹、外侧截面逐渐扩大的聚光杯结构；集成功能入光结构1b的端面为平面或弧面且外侧截面逐渐扩大。
更进一步的，所述模组集成功能出光结构1c的末端设置有模组集成功能出光面1d，所述模组集成功能出光面1d设置为不规则的若干个小曲面。
进一步的，模组集成功能的出光面和模组主功能的出光面共用，所述 透镜1的前端面为顺滑的凸透镜曲面。
更进一步的，所述透镜1的出光面在前后方向上和所述模组集成功能入光结构1b对应的区域设置有局部微结构，该局部微结构为外凸或内凹的弧面或任意排布的颗粒状结构。
本发明的有益效果在于：
1)车灯模组的集成化程度高，相对成本低，因为将聚光器设置为车灯模组的主功能的一级光学元件，透镜作为车灯模组的二级光学元件，而将集成功能的光学结构和透镜设置为一体结构，使得车灯模组的光学性能提高，主要是光学效率和功能多样化的提高，这是由于作为主功能的一级光学元件，聚光器相比反射镜的光学效率高；
2)车灯模组更加小型化，因为将其他功能(比如DRL、角灯、位置灯)的光学结构和透镜设置为一体，充分利用车灯模组的光学空间；
3)将主功能聚光器设置为上下弯折的形状，可大幅缩短车灯模组长度方向的距离，使得车灯模组的体积更加小巧。
附图说明
图1是本发明车灯模组总成的立体结构图；
图2是图1所示车灯模组总成的截面图；
图3是本发明车灯模组的光学元件的立体结构图；
图4是图3所示车灯模组的光学元件中光线走向示意图；
图5是本发明车灯模组的透镜立体结构图之一；
图6是本发明车灯模组的透镜立体结构图之二；
图7是本发明车灯模组的透镜立体结构图之三；
图8是本发明车灯模组的透镜立体结构图之四。
其中，1-透镜，2-模组主功能聚光器，3-模组集成功能光源，4-模组主功能光源，5-风扇，1a-透镜主体，1b-模组集成功能入光结构，1c-模组集成功能出光结构，1d-模组集成功能出光面，1e-透镜微结构区域。
具体实施方式
下面结合附图和具体实施例对本发明进一步说明。
参见图1-图9，如图1和2所示，包括透镜1、模组主功能聚光器2、两个模组集成功能光源3、五个模组主功能光源4以及风扇5。
如图3所示，模组主功能光源4设置在车灯模组的下端，且左右分散设置。
如图5和6所示，1a为透镜主体，透镜1的后端入光面的局部设置有凸出的入光结构1b，作为模组集成功能入光结构。
透镜1的前端出光面的局部、对应模组集成功能入光结构1b的位置设置有模组集成功能出光结构1c。
模组集成功能入光结构1b设置为中部空心内凹、外侧截面逐渐扩大的聚光杯结构。
模组集成功能出光结构1c为凸出透镜1的柱状结构，且设置于透镜主体1a的上侧。
模组集成功能出光结构1c的末端设置有模组集成功能出光面1d；模组集成功能出光面1d设置为不规则的若干个小曲面。
每一个模组集成光源3和模组集成功能入光结构1b对应设置。
模组主功能聚光器2设置为向下弯折的形状，类似“L”形，这样使得车灯模组在前后方向上的尺寸进一步减小。
靠近透镜的一端设置为出光面，出光面的上侧或下侧边界处设置为截 止线形状，以形成带有截止线的车灯光形，车灯的近光或远光光形具有截止线，需要光在进入透镜之前要被截止线形状的结构进行校正，这是本技术领域的公知常识，在此不做详细说明。
远离透镜的一端设置为入光结构，入光结构设置为中部空心内凹、外侧截面逐渐扩大的聚光杯结构，模组主功能聚光器2的上、下弯折处设置有全反射面。
车灯模组还设置有风扇，且位置设置和模组主功能光源4位置对应。
如图4所示，模组主功能光源4的光由模组主功能聚光器投射向透镜1的后端入光面，然后经透镜1投射在处于车灯模组前面的区域中形成车灯的近光或远光光形，模组集成功能光源3的光由模组集成功能入光结构1b进入透镜1，经透镜1投射在处于车灯模组前面的区域中形成车灯的DRL、角灯、位置灯或远光的光形。
在另一实施例中，模组集成功能入光结构1b的形状以及出光结构还可以有其他形式，例如：如图7和9所示，模组集成功能入光结构1b设置为端面为平面或弧面且外侧截面逐渐扩大的结构，模组集成功能的出光面和模组主功能的出光面共用，透镜1的前端面为顺滑的凸透镜曲面。
作为对本实施例的一种变换，如图8所示，透镜1的出光面在前后方向上和模组集成功能入光结构1b对应的区域设置有局部微结构，区域如图8的阴影处所示，该局部微结构为外凸或内凹的弧面或任意排布的颗粒状结构，比如可以在该区域设置为透镜表面的皮纹结构。
本发明用于汽车的前大灯照明，置于汽车前照灯内。相比于现有的车灯模组，通过特定的光学元件设置以及集成其他光学元件结构于透镜，优化的光学元件、系统，以及一体化的透镜，使得车灯模组的性能得到提高，尤其是体积和光学性能得以大大优化和提升。
本发明所称的前后、上下、左右与所述车灯模组所在的前照灯安装于车身上时的车身坐标系的前后、上下、左右一致。透镜光轴所在方向的方向为前后，光源所在一侧的方向为后方
以上是本发明的优选实施例，本领域普通技术人员还可以在此基础上进行各种变换或改进，在不脱离本发明总的构思的前提下，这些变换或改进都应当属于本发明要求保护的范围之内。

Claims (10)

  1. 一种采用聚光器的车灯模组，其特征在于：
    包括透镜(1)，所述透镜(1)后部局部向后伸出至少一个与集成功能光源(3)模组对应的集成功能入光结构(1b)；所述透镜(1)与集成功能光源(3)通过安装支架固定为一体；
    所述透镜(1)的主体还作为主功能光源(4)的最终出射部件。
  2. 如权利要求1所述的采用聚光器的车灯模组，其特征在于：所述透镜(1)的前端出光面的局部、对应所述模组集成功能入光结构(1b)的位置向前伸出模组集成功能出光结构(1c)。
  3. 如权利要求1或2所述的采用聚光器的车灯模组，其特征在于：聚光器(2)呈L形，其折弯部位为全反射面，主功能光源(4)与聚光器(2)一端对应，聚光器(2)另一端对准透镜(1)。
  4. 如权利要求2所述的采用聚光器的车灯模组，其特征在于：所述模组集成功能出光结构(1c)为凸出所述透镜(1)的柱状结构，且设置于透镜主体(1a)的上侧或下侧。
  5. 如权利要求1或2所述的采用聚光器的车灯模组，其特征在于：主功能光源(4)设置在透镜(1)焦点的后端，作为模组主功能光源。
  6. 如权利要求4所述的采用聚光器的车灯模组，其特征在于：主功能光源(4)的光由所述聚光器(2)投射向所述透镜(1)的后端入光面，然后经所述透镜(1)投射在处于所述车灯模组前面的区域中形成车灯的近光或远光光形；所述集成功能光源(3)的光由所述模组集成功能入光结构(1b)进入所述透镜(1)，经所述透镜(1)投射在处于所述车灯模组前面的区域中形成车灯的DRL、角灯、位置灯的光形。
  7. 如权利要求1所述的采用聚光器的车灯模组，其特征在于：所述模组集成功能入光结构(1b)为中部空心内凹、外侧截面逐渐扩大的聚光 杯结构；集成功能入光结构(1b)的端面为平面或弧面且外侧截面逐渐扩大。
  8. 如权利要求2所述的采用聚光器的车灯模组，其特征在于：所述模组集成功能出光结构(1c)的末端设置有模组集成功能出光面(1d)，所述模组集成功能出光面(1d)设置为不规则的若干个小曲面。
  9. 如权利要求1所述的采用聚光器的车灯模组，其特征在于：模组集成功能的出光面和模组主功能的出光面共用，所述透镜(1)的前端面为顺滑的凸透镜曲面。
  10. 如权利要求9所述的采用聚光器的车灯模组，其特征在于：所述透镜(1)的出光面在前后方向上和所述模组集成功能入光结构(1b)对应的区域设置有局部微结构，该局部微结构为外凸或内凹的弧面或任意排布的颗粒状结构。
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