WO2020177228A1 - 一种光学模组的初级光学单元及车灯 - Google Patents

一种光学模组的初级光学单元及车灯 Download PDF

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Publication number
WO2020177228A1
WO2020177228A1 PCT/CN2019/090112 CN2019090112W WO2020177228A1 WO 2020177228 A1 WO2020177228 A1 WO 2020177228A1 CN 2019090112 W CN2019090112 W CN 2019090112W WO 2020177228 A1 WO2020177228 A1 WO 2020177228A1
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WIPO (PCT)
Prior art keywords
condenser
light
distribution lens
light distribution
limit
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PCT/CN2019/090112
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English (en)
French (fr)
Inventor
张大攀
聂睿
孙晓芬
仇智平
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华域视觉科技(上海)有限公司
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Publication of WO2020177228A1 publication Critical patent/WO2020177228A1/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles

Definitions

  • the present invention relates to the technical field of vehicle lights, in particular to a primary optical unit of an optical module and vehicle lights.
  • automobile front combination lights mostly use light-emitting modules integrated with far and near light, and the light-emitting modules integrated with far and near light have obvious disadvantages such as single function and inconvenient switching between far and near lights.
  • the combined headlamps using Matrix light-emitting modules have multiple functions and improve the safety of driving at night, which has become a trend in the development of car lights.
  • the traditional single-area high-beam type is replaced by a combination of multiple light-emitting blocks.
  • the output light type has a uniformity, illumination range, and degree of convergence with the low beam. There are requirements for regulatory compliance.
  • the overall Matrix light type is composed of multiple pixel units spliced together, and the brightness of each pixel unit is intelligently controlled through the on-board ADAS system (advanced driving assistance system), so as to achieve light bending, anti-glare, light type expansion, etc. kind of function.
  • ADAS advanced driving assistance system
  • the optical system is mainly divided into two parts, the primary optical unit and the secondary optical unit.
  • the primary optical unit is the core component of the Matrix module.
  • the primary optical unit needs to accurately orient the light emitted from the semiconductor light source to generate an intermediate light distribution, and further modulate it through the secondary optical unit to obtain the desired light distribution.
  • the secondary optical unit is generally an imaging lens or lens combination.
  • the primary optical unit includes a plurality of semiconductor light sources, main primary optical parts, and parts for auxiliary installation and positioning.
  • optical silicone materials are generally used for primary optical parts.
  • Optical silicone materials have the advantages of high temperature resistance, high transparency, and suitable for complex structures, but they also have corresponding disadvantages. Due to the soft texture of the silicone material itself, it is inconvenient to install. Conventional assembly methods cannot ensure its positioning and accurate installation. Therefore, it may cause reduced optical efficiency, distortion of the light spot, poor uniformity of the light pattern, and failure to meet regulatory requirements. Series of actual problems are more likely to cause the failure of the anti-glare function.
  • the Matrix module is a high-beam module with complex functions in terms of function definition. It cannot be used alone. It must be combined with the basic low beam to achieve complete low beam, adaptive high beam, and AFS. (Auxiliary lighting system for corners) Other functions of follow-up steering. Excellent combination of light type is particularly important for road performance. A good combination of light patterns is as follows: the far in front of the vehicle is brighter, and the nearer area in front of the vehicle is less bright, and the light pattern should be evenly transitioned from far to near. The actual situation is generally that the light type cannot be uniformly transitioned and connected, or it is not bright in the distance, or too bright in the vicinity.
  • the purpose of the present invention is to overcome the shortcomings of the prior art.
  • the first aspect of the present invention provides a primary optical unit of an optical module, so that the condenser is easy to install, precise in positioning, and able to move the Matrix module under high beam.
  • the side light is diffused and modulated, so that the brightness of the area where the high beam and the low beam are connected changes uniformly, and the light type is uniformly transitioned from the far to the near.
  • the primary optical unit of the optical module includes a mounting bracket, and the upper side of the mounting bracket is sequentially installed with an upper condenser from bottom to top, and the vertical direction of the upper condenser is adjusted.
  • the upper side of the upper limit member is equipped with an inner light distribution lens, and the lower side of the mounting bracket is sequentially installed with a lower condenser and a vertical direction to the lower condenser from top to bottom.
  • a horizontal limiting structure for limiting the horizontal direction of the upper condenser and the lower condenser is formed on both the upper and lower sides of the mounting bracket;
  • Each of the upper condenser and the lower condenser includes a plurality of collimating units, wherein the light-emitting ends of the collimating units of the upper condenser are connected to each other to form an upper light-emitting surface, and the lower condenser The light-emitting ends of the collimating units are connected to each other to form a lower light-emitting surface, the light-incident surface of the inner light distribution lens is arranged corresponding to the upper light-emitting surface, and the bottom of the inner light distribution lens is located on the upper light-emitting surface Within the height range of the surface.
  • each collimating unit corresponds to a semiconductor light source, and the light incident ends of adjacent collimating units are connected by a transverse rib.
  • the included angle between the adjacent collimating units is 0°-5°.
  • each of the horizontal limit structures includes two rows of limit members, and each row of the limit members includes a plurality of limit posts, and each limit post is inserted into the corresponding adjacent collimator.
  • each limit post is inserted into the corresponding adjacent collimator.
  • the horizontal ribs are arranged between the two rows of the limiting members.
  • both the upper condenser and the lower condenser are provided with buckles, and both the upper and lower sides of the mounting bracket are provided with a clamping structure that cooperates with the buckles.
  • the bottom of the inner light distribution lens is located at a height of 1/4 to 3/4 of the upper light emitting surface.
  • the light incident surface of the inner light distribution lens is provided with convex lateral stripes.
  • the bottom of the upper limit member is provided with a plurality of small bosses of the upper limit member that partially contact the upper concentrator, and the top of the lower limit member is provided with a plurality of small bosses that form part of the lower concentrator.
  • the small boss of the lower limit piece of contact is provided.
  • the left and right sides of the mounting bracket are provided with a first screw column, a second screw column, a first positioning column, and a second positioning column.
  • a first screw matched with a screw column and a first positioning hole matched with the first positioning column, and both left and right sides of the lower limit member are provided with second screws matched with the second screw column And a second positioning hole matched with the second positioning column.
  • the inner light distribution lens is fixed on a mounting plate, the mounting plate is provided with a plurality of third positioning holes, the left and right sides of the mounting plate are provided with third screws, and the upper limit member is An inner light distribution lens mounting portion is provided, the inner light distribution lens mounting portion is provided with an insertion hole matching the inner light distribution lens, and the inner light distribution lens mounting portion is provided with each of the third positioning holes Corresponding to the matched third positioning posts, the left and right sides of the inner light distribution lens installation part are provided with third screw posts that are matched with the third screws.
  • the present invention limits the front, rear, left and right directions of the upper condenser and the lower condenser through the horizontal limit structure, and uses the upper limit member and the lower limit member to respectively limit the vertical direction of the upper condenser and the lower condenser.
  • the limit position makes the condenser easy to install and precise in positioning; the light on the lower side of the Matrix high beam is diffused and modulated through the inner light distribution lens, so that the brightness of the area where the high beam and the low beam are connected changes uniformly, from far to near The uniform transition of light type improves the driving experience of car users.
  • a second aspect of the present invention provides a vehicle lamp in which the primary optical unit of the optical module of the first aspect is installed.
  • Figure 1 is a front view of an embodiment of the present invention
  • Figure 2 is a top view of Figure 1;
  • Figure 3 is a left side view of Figure 1;
  • Figure 4 is an exploded view of an embodiment of the present invention.
  • Figure 5 is a schematic diagram of the installation of a condenser in an embodiment of the present invention.
  • Figure 6 is a top view of Figure 5;
  • Fig. 7 is a diagram of the positional relationship between the inner light distribution lens and the condenser in an embodiment of the present invention.
  • first”, “second”, and “third” are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, there are limited
  • the “first”, “second” and “third” features may explicitly or implicitly include one or more of the features.
  • the first aspect of the present invention provides a primary optical unit of an optical module.
  • Figures 1 to 3 are three views of an embodiment of the present invention, showing the assembly effect of the primary optical unit as a whole.
  • the entire primary optical unit has a delicate structure and is integrated in The optical module does not occupy a lot of space inside, which is in line with the market development direction of module miniaturization.
  • Figures 4 to 6 are installation structure diagrams of various components in an embodiment of the present invention, including a mounting bracket 1.
  • the upper side of the mounting bracket 1 is sequentially installed with an upper condenser 2 and an upper condenser 2 from bottom to top.
  • the upper side of the upper side of the upper limit member 4 is equipped with an inner light distribution lens 6 and the lower side of the mounting bracket 1 is sequentially installed with a lower condenser 3 from top to bottom.
  • a lower limiter 5 for limiting the vertical direction of the lower condenser 3 the upper and lower sides of the mounting bracket 1 are both formed with the upper and lower condensers 2 and 3
  • the horizontal limit structure in the horizontal direction is provided.
  • the upper condenser 2 and the lower condenser 3 each include a plurality of collimating units 21, wherein the light-emitting ends of the collimating units 21 of the upper condenser 2 are connected to each other to form an upper light-emitting surface 22, so The light exit ends of the collimating units 21 of the lower condenser 3 are connected to each other to form a lower light exit surface, the light entrance surface of the inner light distribution lens 6 is arranged corresponding to the upper light exit surface 22, and the inner distribution lens The bottom of the light mirror 6 is located within the height range of the upper light-emitting surface 22.
  • the upper condenser 2 and the lower condenser 3 are preferably made of transparent silicone material.
  • the present invention adopts The horizontal limit structure limits the horizontal direction of the upper condenser 2 and the lower condenser 3, that is, the front, rear, left, and right directions, and the upper concentrator 2 and the lower condenser are aligned by the upper limit piece 4 and the lower limit piece 5 3 is limited in the vertical direction, thereby positioning the condenser in all directions, making the installation of the condenser easy and accurate.
  • the present invention diffuses and modulates the light on the lower side of the high beam of the Matrix matrix module through the inner light distribution lens, so that the brightness of the area connected with the low beam is uniformly changed, and the transition is uniform from the far to the near, which improves the car users’ Driving experience.
  • Two rows of light spots can be formed by arranging the above two condensers.
  • a row of light spots formed by the upper condenser 2 is used for low beam follow-up steering, and a row of light spots formed by the lower condenser 3 is used for anti-glare high beam.
  • the light incident end of each collimating unit 21 in the above-mentioned light concentrator corresponds to a semiconductor light source, and the light incident ends of adjacent collimating units 21 are connected by a cross rib 23.
  • the light emitted by each semiconductor light source enters each collimation unit 21 through the light entrance end of the corresponding collimation unit 21, and is emitted from the light exit surface.
  • each collimation unit 21 Since the light exit end of each collimation unit 21 is converged together, the concentrator is The light emitted by the semiconductor light source plays a convergent role.
  • the overall shape of a single collimating unit 21 is similar to a rectangular columnar structure, in which the light-emitting ends of each collimating unit 21 are connected to each other to form a light-emitting surface, and the light-incoming ends need to be separated from each other to prevent light channeling, so as to ensure that the light-type of each collimating unit 21 Independence, therefore, the included angles are designed between the collimating units 21. If the single included angle is too large, considering the cumulative effect, the angle of the collimating unit 21 at the extreme edge will be very large, which will affect the light output efficiency.
  • the included angle between the collimating units 21 is preferably 0°-5°.
  • each of the horizontal limit structures includes two rows of limit members, and each row of the limit members includes a plurality of limit posts 11, and each limit post 11 is inserted in Correspondingly, in the gap between the light incident ends of the adjacent collimating units 21, the transverse rib 23 is arranged between the two rows of limiting members.
  • the limit posts 11 are inserted into the gap between the light incident ends of the adjacent collimating units 21 to limit the left and right directions of the condenser, and the horizontal ribs 23 are arranged in two rows of limit positions.
  • the front and rear directions of the condenser are limited between the parts, and the positioning is accurate, which effectively ensures the relative position between the light incident end of each collimator unit 21 of the condenser and the semiconductor light source and the distance between the collimator units 21 Because of the positional relationship between the two, it is not easy to cause excessive loss of light efficiency due to inaccurate positioning and distortion of the light shape caused by the deformation of the condenser.
  • both the upper condenser 2 and the lower condenser 3 are provided with a buckle 24, and the upper and lower sides of the mounting bracket 1 are both provided with a buckle 24 matched with the buckle 24.
  • the clamping structure is a clamping groove or a step, and one end of the buckle 24 is provided with a hook matching the clamping groove or the step.
  • the buckles 24 are provided to further ensure the accuracy of the installation of the condenser.
  • the buckles 24 are respectively arranged on both sides of the light output end of the upper condenser 2 and respectively arranged on both sides of the light output end of the lower condenser 3 , After positioning and installing the light incident ends of the upper condenser 2 and the lower condenser 3 on the upper and lower sides of the mounting bracket 1 respectively, the light exits of the upper condenser 2 and the lower condenser 3 are released through the buckle 24 The end is fixed on the mounting bracket 1, thereby effectively positioning both the light-in and light-out ends of the condenser, which effectively ensures the accuracy of the installation of the condenser.
  • the left and right sides of the mounting bracket 1 are provided with a first screw column 16, a second screw column 15, a first positioning column 12, and a second positioning column 17, and the upper limit
  • the left and right sides of the member 4 are provided with a first screw 43 that is matched with the first screw column 16 and a first positioning hole 42 that is matched with the first positioning column 12, and the left and right sides of the lower limit member 5
  • Both sides are provided with a second screw 51 matched with the second screw column 15 and a second positioning hole 52 matched with the second positioning column 17.
  • the first screws 43 and the first positioning holes 42 on the left and right sides of the upper limit piece 4 are respectively corresponding to the first screw posts 16 and the first positioning posts 12 on the left and right sides of the mounting bracket 1, and then the first The screw 43 is driven into the first screw column 16, and the first positioning column 12 is inserted into the first positioning hole 42, thereby completing the installation of the upper limit member 4.
  • the second screw 51 and the second screw 51 on the left and right sides of the lower limit member 5 are installed.
  • the two positioning holes 52 respectively correspond to the second screw posts 15 and the second positioning posts 17 on the left and right sides of the mounting bracket 1, and then the second screws 51 are driven into the second screw posts 15, while the second positioning posts 17 are inserted into the first Two positioning holes 52, thereby completing the installation of the lower limit member 5.
  • the upper limit member 4 is provided with a plurality of upper limit member small bosses 45, and the top of the lower limit member 5 is provided with a plurality of lower limit member small bosses 53,
  • the bottom of the upper limit member 4 and the top of the upper condenser 2 are in partial contact, and the top of the lower limit member 5 and the bottom of the lower condenser 3 are in partial contact.
  • the inner light distribution lens 6 is installed on the upper limit piece 4.
  • the mounting plate is provided with a plurality of third positioning holes 61, the left and right sides of the mounting plate are provided with third screws 62, and the upper limit member 4 is provided with an inner light distribution lens installation
  • the inner light distribution lens mounting portion is formed by extending the positioning connection part of the upper limit member 4 and the mounting bracket 1 forward, and the inner light distribution lens mounting portion is provided with the inner light distribution lens 6
  • the inner light distribution lens mounting portion is provided with a third positioning post 41 corresponding to each of the third positioning holes 61, and the left and right sides of the inner light distribution lens mounting portion are provided with
  • the third screw column 44 is matched with the third screw 62.
  • the third positioning hole 61 and the third screw 62 on the mounting plate are respectively corresponding to the third positioning post 41 and the third screw post 44 on the inner light distribution lens mounting part, and the inner light distribution lens 6 is inserted into
  • the holes are matched, and then the third screw 62 is driven into the third screw post 44, and the third positioning post 41 is inserted into the third positioning hole 61, and the inner light distribution lens 6 is inserted into the insertion hole, thereby completing the inner light distribution lens 6 is installed so that the light incident surface of the inner light distribution lens 6 corresponds to the upper light output surface 22.
  • the inner light distribution lens can be adjusted by adjusting the thickness of the upper limit member 4 or the thickness of the inner light distribution lens 6
  • the installation height of 6 is such that the inner light distributing lens 6 is installed such that its bottom is located within the height range of the upper light emitting surface 22.
  • the inner light distributing lens 6 is installed such that its bottom is located within the height range of the upper light emitting surface 22, which means that the bottom height of the inner light distributing lens 6 is greater than the bottom height of the upper light emitting surface 22, and It is smaller than the top height of the upper light-emitting surface 22.
  • installation and positioning structure between the upper limit member 4, the lower limit member 5 and the mounting bracket 1, and the installation and positioning structure between the inner light distribution lens 6 and the upper limit member 4 are not limited to those mentioned in the above description.
  • the installation and positioning structure may also be other well-known positioning and installation structures, and these modified structures all belong to the protection scope of the present invention.
  • the inner light distributing lens 6 is installed so that its bottom is located at 1/4 to 3/4 of the height of the upper light emitting surface 22.
  • the light on the upper side of the light-emitting surface of the condenser forms the lower light type of the Matrix high beam.
  • This part of the light has a higher brightness than the near light, which causes the unnatural connection between the far and near lights.
  • the inner light distributing lens 6 By setting the inner light distributing lens 6 so that its bottom is located at the height of 1/4 to 3/4 of the upper light emitting surface 22, the inner light distributing lens 6 can face the light emitted from 1/4 to 3/4 of the upper light emitting surface 22.
  • the light type projected from the blocked area is on the lower side, and the blocked light passes through the inner light distribution lens 6.
  • the light incident surface of the inner light distribution lens 6 is provided with convex horizontal stripes 63, The blocked light is diffused up and down to make this part of the light uniform, low brightness, softer, and more evenly connected with the low beam.
  • the lower part of the upper light exit surface 22 is not blocked, and the unblocked light path is not blocked.
  • the stripes can be designed to be thicker or thinner, and the degree of protrusion of the stripes can also be adjusted, so that the degree of light diffusion can be adjusted by adjusting the stripe structure.
  • mounting ear plates are provided on the left and right sides of the mounting bracket 1, and each mounting ear plate Both are provided with mounting bolts 14 and mounting positioning posts 13, so that the primary optical unit can be positioned and installed on the circuit board and the heat sink of the optical module through the mounting positioning posts 13 and the mounting bolts 14.
  • a second aspect of the present invention provides a vehicle lamp in which the primary optical unit of the optical module of the first aspect is installed. Since the primary optical unit of the optical module described in the first aspect is installed in the vehicle lamp, it also has the same advantages as the primary optical unit of the optical module described in the first aspect.

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

Abstract

一种光学模组的初级光学单元及车灯，其中光学模组的初级光学单元包括安装支架(1)，安装支架(1)上侧由下到上依次安装有上聚光器(2)和上限位件(4)，上限位件(4)上侧安装有内配光镜(6)，安装支架(1)下侧由上到下依次安装有下聚光器(3)和下限位件(5)，安装支架(1)的上、下侧均形成有水平限位结构；上聚光器(2)和下聚光器(3)均包括多个准直单元(21)，上聚光器(2)的各准直单元(21)的出光端相互连接构成上出光面(22)，下聚光器(3)的各准直单元(21)的出光端相互连接构成下出光面，内配光镜(6)的入光面与上出光面(22)对应设置，且内配光镜(6)的底部位于上出光面(22)的高度范围内。聚光器安装方便、定位精准，能够将Matrix远光下侧的光进行扩散调制，使得从远处到近处光型均匀过渡。

Description

一种光学模组的初级光学单元及车灯 技术领域
本发明涉及车灯技术领域，具体地涉及一种光学模组的初级光学单元及车灯。
背景技术
目前汽车前组合灯多使用远近光一体的发光模块，而远近光一体发光模块存在功能单一、远近光切换不便等明显的缺点。应用Matrix矩阵式发光模块的组合前照灯功能多样，提高了夜间行车的安全性，已成为车灯发展的一种趋势。对于安装Matrix矩阵式发光模块的组合前照灯，以多个发光块组合的光型代替了传统的单区域远光光型，出射光型对均匀性、照射范围、与近光的衔接程度、法规合规性等都有要求。整体的Matrix矩阵式光型由多个像素单元拼接而成，通过车载ADAS系统(高级驾驶辅助系统)智能控制每个像素单元的亮暗，从而实现光线弯曲、防眩目、光型扩展等多种功能。
投射式的Matrix矩阵式模组里，光学系统主要分为两块，初级光学单元及次级光学单元。初级光学单元是Matrix矩阵式模组的核心部件，该初级光学单元需要对半导体光源出射光精确定向，产生中间光分布，并通过次级光学单元进一步调制以获得希望的光型分布。次级光学单元一般为成像的透镜或透镜组合。
初级光学单元包括多个半导体光源及主要的初级光学件以及辅助安装定位的零件。从实际应用功能出发考虑，初级光学件普遍使用光学硅胶材料。光学硅胶材料具有耐高温、透明度高、适用于复杂结构等优点，但是也有相应的缺点。因硅胶材料本身质地软的特质，使得安装不方便，采用 常规组装方式无法确保其定位并安装准确，因此可能会导致光学效率降低、光斑变形、光型均匀性变差、不能满足法规要求等一系列实际问题，更有可能导致防眩目功能的失效。
另外，Matrix矩阵式模组从功能定义上来讲，它是一个具有复杂功能的远光模组，其无法单独使用，必须要配合基础近光，才能实现完整的近光、自适应远光、AFS(弯道辅助照明系统)随动转向的其他功能。光型的结合优良对路面的表现尤为重要。良好的光型结合是这样的：车前较远的地方亮度大，车前较近的区域亮度小，从远处到近处光型要过渡均匀。而实际的情况一般是光型无法均匀的过渡衔接，要么远处不亮，要么近处太亮。
发明内容
本发明的目的是为了克服现有技术的不足，本发明第一方面提供一种光学模组的初级光学单元，使得聚光器安装方便、定位精准，以及能够将Matrix矩阵式模组远光下侧的光进行扩散调制，使得远光与近光衔接的区域光的亮度均匀变化，从远处到近处光型均匀过渡。
根据本发明第一方面提供的光学模组的初级光学单元，包括安装支架，所述安装支架上侧由下到上依次安装有上聚光器和对所述上聚光器的竖直方向进行限位的上限位件，所述上限位件上侧安装有内配光镜，所述安装支架下侧由上到下依次安装有下聚光器和对所述下聚光器的竖直方向进行限位的下限位件，所述安装支架的上、下侧均形成有用于对所述上聚光器和下聚光器的水平方向进行限位的水平限位结构；
所述上聚光器和下聚光器均包括多个准直单元，其中所述上聚光器的各所述准直单元的出光端相互连接构成上出光面，所述下聚光器的各所述准直单元的出光端相互连接构成下出光面，所述内配光镜的入光面与所述上出光面对应设置，且所述内配光镜的底部位于所述上出光面的高度范围 内。
优选地，各所述准直单元的入光端均对应一个半导体光源，相邻所述准直单元的入光端之间通过横筋相连。
优选地，相邻所述准直单元之间的夹角为0°～5°。
优选地，各所述水平限位结构均包括两排限位件，各排所述限位件均包括多个限位柱，各所述限位柱插接在对应的相邻所述准直单元的入光端之间的间隙内，且所述横筋设在两排所述限位件之间。
优选地，所述上聚光器和下聚光器上均设有卡扣，所述安装支架的上、下侧均设有与所述卡扣相配合的卡接结构。
优选地，所述内配光镜的底部位于所述上出光面的1/4～3/4高度处。
优选地，所述内配光镜的入光面设有凸起的横向条纹。
优选地，所述上限位件底部设有多个与所述上聚光器形成局部接触的上限位件小凸台，所述下限位件顶部设有多个与所述下聚光器形成局部接触的下限位件小凸台。
优选地，所述安装支架的左右两侧均设有第一螺钉柱、第二螺钉柱、第一定位柱和第二定位柱，所述上限位件的左右两侧均设有与所述第一螺钉柱相配合的第一螺钉以及与所述第一定位柱相配合的第一定位孔，所述下限位件的左右两侧均设有与所述第二螺钉柱相配合的第二螺钉以及与所述第二定位柱相配合的第二定位孔。
优选地，所述内配光镜固定在安装板上，所述安装板上设有多个第三定位孔，所述安装板的左右两侧均设有第三螺钉，所述上限位件上设有内配光镜安装部，所述内配光镜安装部上设有与内配光镜相配合的插入孔，所述内配光镜安装部上设有与各所述第三定位孔对应配合的第三定位柱，所述内配光镜安装部的左右两侧均设有与所述第三螺钉相配合的第三螺钉柱。
本发明通过水平限位结构对上聚光器和下聚光器的前后左右方向进行 限位，并通过上限位件和下限位件分别对上聚光器、下聚光器的竖直方向进行限位，使得聚光器安装方便、定位精准；通过内配光镜将Matrix远光下侧的光进行扩散调制，使得远光与近光衔接的区域光的亮度均匀变化，从远处到近处光型均匀过渡，提高汽车使用者的驾驶体验。
本发明第二方面提供一种车灯，所述车灯内安装有第一方面所述的光学模组的初级光学单元。
本发明的其他特征和优点将在随后的具体实施方式部分予以详细说明。
附图说明
图1是本发明一个实施例的主视图；
图2是图1的俯视图；
图3是图1的左视图；
图4是本发明一个实施例的爆炸图；
图5是本发明一个实施例中聚光器的安装示意图；
图6是图5的俯视图；
图7是本发明一个实施例中内配光镜与聚光器的位置关系图。
附图标记说明
1安装支架                      11限位柱
12第一定位柱                   13安装定位柱
14安装螺栓                     15第二螺钉柱
16第一螺钉柱                   17第二定位柱
2上聚光器                      21准直单元
22上出光面                     23横筋
24卡扣                         3下聚光器
4上限位件                      41第三定位柱
42第一定位孔                   43第一螺钉
44第三螺钉柱                   45上限位件小凸台
5下限位件                      51第二螺钉
52第二定位孔                   53下限位件小凸台
6内配光镜                      61第三定位孔
62第三螺钉                     63横向条纹
具体实施方式
在本发明的描述中，需要理解的是，术语“上”、“下”、“左”、“右”、“前”、“后”、“顶”、“底”等指示的方位或位置关系为基于图4所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。其中，“前”是指所述聚光器的准直单元21的出光端方向。此外，术语“第一”、“第二”、“第三”仅用于描述的目的，而不能理解为指示或暗示相对重要性或隐含指明所指示的技术特征的数量，因此，限定有“第一”、“第二”、“第三”的特征可以明示或隐含地包括一个或更多个所述特征。
以下结合附图对本发明的具体实施方式进行详细说明。应当理解的是，此处所描述的具体实施方式仅用于说明和解释本发明，并不用于限制本发明。
本发明第一方面提供一种光学模组的初级光学单元，图1至图3为本发明一个实施例的三视图，整体展示了初级光学单元的装配效果，整个初级光学单元结构精巧，集成在光学模组内部不会占据很大空间，符合模组小型化的市场发展方向。
图4至图6为本发明一个实施例中各部件的安装结构图，包括安装支 架1，所述安装支架1上侧由下到上依次安装有上聚光器2和对所述上聚光器2的竖直方向进行限位的上限位件4，所述上限位件4上侧安装有内配光镜6，所述安装支架1下侧由上到下依次安装有下聚光器3和对所述下聚光器3的竖直方向进行限位的下限位件5，所述安装支架1的上、下侧均形成有用于对所述上聚光器2和下聚光器3的水平方向进行限位的水平限位结构。
所述上聚光器2和下聚光器3均包括多个准直单元21，其中所述上聚光器2的各所述准直单元21的出光端相互连接构成上出光面22，所述下聚光器3的各所述准直单元21的出光端相互连接构成下出光面，所述内配光镜6的入光面与所述上出光面22对应设置，且所述内配光镜6的底部位于所述上出光面22的高度范围内。
本发明实施例中所述上聚光器2和下聚光器3优选为透明的硅胶材料制成，为了解决硅胶材料制成的聚光器安装不方便、定位不准的问题，本发明通过水平限位结构对上聚光器2和下聚光器3的水平方向即其前后左右方向进行限位，并通过上限位件4和下限位件5对上聚光器2、下聚光器3的竖直方向进行限位，从而对聚光器进行全方位定位，使得聚光器安装方便、定位精准。本发明通过内配光镜将Matrix矩阵式模组远光下侧的光进行扩散调制，使得与近光衔接的区域光的亮度均匀变化，从远处到近处均匀过渡，提高汽车使用者的驾驶体验。
通过设置上述两个聚光器能够形成两排光斑，上聚光器2形成的一排光斑做近光随动转向使用，下聚光器3形成的一排光斑做防炫目远光使用。其中，上述聚光器中各所述准直单元21的入光端均对应一个半导体光源，相邻所述准直单元21的入光端之间通过横筋23相连。各半导体光源发射出的光线经由对应的准直单元21的入光端进入各准直单元21，并从出光面射出，由于各准直单元21的出光端汇聚在一起，因此聚光器对于各半导体光源发出的光线起到汇聚的作用。另外，单个准直单元21整体形状类似矩 形柱状结构，其中各准直单元21的出光端相互连接构成出光面，而入光端需要相互隔开防止窜光，保证各准直单元21光型的独立性，因此各准直单元21之间设计有夹角，如果单个夹角过大，考虑累加效果，位于最边缘的准直单元21角度会很大，影响出光效率，因此，相邻所述准直单元21之间的夹角优选为0°～5°。
如图4和图6所示，各所述水平限位结构均包括两排限位件，各排所述限位件均包括多个限位柱11，各所述限位柱11插接在对应的相邻准直单元21的入光端之间的间隙内，且所述横筋23设在两排限位件之间。在安装时，将上聚光器2从安装支架1上方压入，使得上聚光器2的相邻准直单元21的入光端之间的间隙与安装支架1上侧的各限位柱11对应，将各所述限位柱11插接在对应的相邻准直单元21的入光端之间的间隙内，并使得横筋23位于两排限位件之间；将下聚光器3从安装支架1下方压入，同样，使得下聚光器3的相邻准直单元21的入光端之间的间隙与安装支架1下侧的各限位柱11对应，将各所述限位柱11插接在对应的相邻准直单元21的入光端之间的间隙内，并使得横筋23位于两排限位件之间。
通过将各所述限位柱11插接在对应的相邻准直单元21的入光端之间的间隙内对聚光器的左右方向进行限位，通过将横筋23设在两排限位件之间对聚光器的前后方向进行限位，定位精准，有效保证了聚光器的各所述准直单元21的入光端与半导体光源之间的相对位置以及各准直单元21之间的位置关系，从而不易产生由于定位不准导致过多的光效率损失以及聚光器变形导致的光型扭曲，另外，将传统的聚光器前后压入安装变为上下压入安装，有效减小了安装行程，更符合聚光器的结构特性，使得聚光器安装便利。
进一步地，所述上聚光器2和下聚光器3上均设有卡扣24，所述安装支架1的上、下侧均设有与所述卡扣24相配合的卡接结构。所述卡接结构为卡槽或者台阶，所述卡扣24一端设有与卡槽或台阶相配合的卡钩。通过 设置卡扣24进一步保证聚光器安装的精准性，优选地，所述卡扣24分别设在上聚光器2的出光端的两侧，以及分别设在下聚光器3的出光端的两侧，将上聚光器2和下聚光器3的入光端分别定位安装在安装支架1的上、下侧后，再通过卡扣24将上聚光器2和下聚光器3的出光端固定在安装支架1上，从而对聚光器的入光端和出光端都进行有效定位，有效保证聚光器安装的精准性。
在上聚光器2和下聚光器3安装在安装支架1上后，需要通过上限位件4、下限位件5对上聚光器2和下聚光器3的竖直方向进行限位，具体地，如图4所示，所述安装支架1的左右两侧均设有第一螺钉柱16、第二螺钉柱15、第一定位柱12和第二定位柱17，所述上限位件4的左右两侧均设有与所述第一螺钉柱16相配合的第一螺钉43以及与所述第一定位柱12相配合的第一定位孔42，所述下限位件5的左右两侧均设有与所述第二螺钉柱15相配合的第二螺钉51以及与所述第二定位柱17相配合的第二定位孔52。
在安装时，将上限位件4左右两侧的第一螺钉43和第一定位孔42分别与安装支架1左右两侧的第一螺钉柱16和第一定位柱12对应好，然后将第一螺钉43打入第一螺钉柱16内，同时第一定位柱12插入第一定位孔42，从而完成上限位件4的安装，同样，将下限位件5左右两侧的第二螺钉51和第二定位孔52分别与安装支架1左右两侧的第二螺钉柱15和第二定位柱17对应好，然后将第二螺钉51打入第二螺钉柱15内，同时第二定位柱17插入第二定位孔52，从而完成下限位件5的安装。
优选地，如图4和图5所示，所述上限位件4底部设有多个上限位件小凸台45，所述下限位件5顶部设有多个下限位件小凸台53，使得上限位件4、下限位件5安装到安装支架1上后，上限位件4底部和上聚光器2顶部为局部接触，下限位件5顶部和下聚光器3底部为局部接触。
由于局部定位的零件在定位的地方加工精度要求高，非定位处的加工 要求可降低，因此以局部接触代替整体接触，能够节约加工成本，当实际产品有定位不良的问题需要排查时，能够减小排查难度，减少不确定变量，并且修改方便、便于维护。
在上限位件4、下限位件5安装到安装支架1上后，最后将内配光镜6安装到上限位件4上，具体地，如图4所示，所述内配光镜6固定在安装板上，所述安装板上设有多个第三定位孔61，所述安装板的左右两侧均设有第三螺钉62，所述上限位件4上设有内配光镜安装部，所述内配光镜安装部为所述上限位件4与所述安装支架1定位连接部分向前延伸而成，所述内配光镜安装部上设有与内配光镜6相配合的插入孔，所述内配光镜安装部上设有与各所述第三定位孔61对应配合的第三定位柱41，所述内配光镜安装部的左右两侧均设有与所述第三螺钉62相配合的第三螺钉柱44。
安装时，将安装板上的第三定位孔61、第三螺钉62分别与内配光镜安装部上的第三定位柱41、第三螺钉柱44对应好，以及内配光镜6与插入孔对应好，然后将第三螺钉62打入第三螺钉柱44内，同时第三定位柱41插入第三定位孔61、内配光镜6插入所述插入孔内，从而完成内配光镜6的安装，并使得所述内配光镜6的入光面与所述上出光面22相对应，通过调节上限位件4的厚度或者调节内配光镜6的厚度可以调节内配光镜6的安装高度，以使得所述内配光镜6安装为使其底部位于所述上出光面22的高度范围内。
其中，所述内配光镜6安装为使其底部位于所述上出光面22的高度范围内，是指所述内配光镜6的底部高度大于所述上出光面22的底部高度，并小于所述上出光面22的顶部高度。
需要说明的是，上述上限位件4、下限位件5与安装支架1之间的安装定位结构以及内配光镜6与上限位件4之间的安装定位结构并不限于上述描述中提到的安装定位结构，也可以为其它公知的定位安装结构，这些变型结构均属于本发明的保护范围。
如图7所示，所述内配光镜6安装为使其底部位于所述上出光面22的1/4～3/4高度处。
通过聚光器出光面上侧的光经过次级光学单元后形成Matrix远光的下侧光型，这部分光相较近光亮度更高，导致此处远近光衔接不自然。通过设置内配光镜6，使其底部位于上出光面22的1/4～3/4高度处，内配光镜6能够对上出光面22的1/4～3/4处射出的光进行遮挡，根据成像原理，被遮挡的区域投射出的光型在下侧，被遮挡的光通过内配光镜6，由于内配光镜6的入光面设有凸起的横向条纹63，能够对被遮挡的光进行上下扩散，使得这部分光光型均匀、亮度变低，变得柔和，与近光衔接更加均匀，上出光面22的下部分未被遮挡，未被遮挡的光光路不变，通过次级光学单元射出，照射在车前较远的区域，未被遮挡的区域投射出的光型在上侧，靠近近光截止线区域，这样近光截止线处的亮度不会受到内配光镜6的影响，从而通过上述内配光镜6的设置，使光的能量从高到低进行了一次调制分配，光照射到路面的效果就是从远处到近处光型过渡均匀，从而有效解决了远近光衔接不自然的问题。另外，根据实际应用的情况，可以将条纹设计的较粗或较细些，条纹的凸起程度也可以进行调整，从而通过调整条纹结构可以调整光扩散的程度。
最后，在整个初级光学单元组装完成后，需要将初级光学单元安装集成在光学模组内，具体地，在所述安装支架1的左右两侧设有安装耳板，各所述安装耳板上均设有安装螺栓14和安装定位柱13，从而通过安装定位柱13和安装螺栓14将初级光学单元定位安装在光学模组的电路板和散热器上。
本发明第二方面提供一种车灯，所述车灯内安装有第一方面所述的光学模组的初级光学单元。由于车灯内安装有第一方面所述的光学模组的初级光学单元，因此也具有与第一方面所述的光学模组的初级光学单元相同的优点。
以上结合附图详细描述了本发明的优选实施方式，但是，本发明并不限于上述实施方式中的具体细节，在本发明的技术构思范围内，可以对本发明的技术方案进行多种简单变型，这些简单变型均属于本发明的保护范围。
另外需要说明的是，在上述具体实施方式中所描述的各个具体技术特征，在不矛盾的情况下，可以通过任何合适的方式进行组合，为了避免不必要的重复，本发明对各种可能的组合方式不再另行说明。
此外，本发明的各种不同的实施方式之间也可以进行任意组合，只要其不违背本发明的思想，其同样应当视为本发明所公开的内容。

Claims (11)

  1. 一种光学模组的初级光学单元，其特征在于，包括安装支架(1)，所述安装支架(1)上侧由下到上依次安装有上聚光器(2)和对所述上聚光器(2)的竖直方向进行限位的上限位件(4)，所述上限位件(4)上侧安装有内配光镜(6)，所述安装支架(1)下侧由上到下依次安装有下聚光器(3)和对所述下聚光器(3)的竖直方向进行限位的下限位件(5)，所述安装支架(1)的上、下侧均形成有用于对所述上聚光器(2)和下聚光器(3)的水平方向进行限位的水平限位结构；
    所述上聚光器(2)和下聚光器(3)均包括多个准直单元(21)，其中所述上聚光器(2)的各所述准直单元(21)的出光端相互连接构成上出光面(22)，所述下聚光器(3)的各所述准直单元(21)的出光端相互连接构成下出光面，所述内配光镜(6)的入光面与所述上出光面(22)对应设置，且所述内配光镜(6)的底部位于所述上出光面(22)的高度范围内。
  2. 根据权利要求1所述的光学模组的初级光学单元，其特征在于，各所述准直单元(21)的入光端均对应一个半导体光源，相邻所述准直单元(21)的入光端之间通过横筋(23)相连。
  3. 根据权利要求2所述的光学模组的初级光学单元，其特征在于，相邻所述准直单元(21)之间的夹角为0°～5°。
  4. 根据权利要求2所述的光学模组的初级光学单元，其特征在于，各所述水平限位结构均包括两排限位件，各排所述限位件均包括多个限位柱(11)，各所述限位柱(11)插接在对应的相邻所述准直单元(21)的入光端之间的间隙内，且所述横筋(23)设在两排所述限位件之间。
  5. 根据权利要求1所述的光学模组的初级光学单元，其特征在于，所述上聚光器(2)和下聚光器(3)上均设有卡扣(24)，所述安装支架(1)的上、下侧均设有与所述卡扣(24)相配合的卡接结构。
  6. 根据权利要求1所述的光学模组的初级光学单元，其特征在于，所述内配光镜(6)的底部位于所述上出光面(22)的1/4～3/4高度处。
  7. 根据权利要求1所述的光学模组的初级光学单元，其特征在于，所述内配光镜(6)的入光面设有凸起的横向条纹(63)。
  8. 根据权利要求1至7中任一所述的光学模组的初级光学单元，其特征在于，所述上限位件(4)底部设有多个与所述上聚光器(2)形成局部接触的上限位件小凸台(45)，所述下限位件(5)顶部设有多个与所述下聚光器(3)形成局部接触的下限位件小凸台(53)。
  9. 根据权利要求1至7中任一所述的光学模组的初级光学单元，其特征在于，所述安装支架(1)的左右两侧均设有第一螺钉柱(16)、第二螺钉柱(15)、第一定位柱(12)和第二定位柱(17)，所述上限位件(4)的左右两侧均设有与所述第一螺钉柱(16)相配合的第一螺钉(43)以及与所述第一定位柱(12)相配合的第一定位孔(42)，所述下限位件(5)的左右两侧均设有与所述第二螺钉柱(15)相配合的第二螺钉(51)以及与所述第二定位柱(17)相配合的第二定位孔(52)。
  10. 根据权利要求1至7中任一所述的光学模组的初级光学单元，其特征在于，所述内配光镜(6)固定在安装板上，所述安装板上设有多个第 三定位孔(61)，所述安装板的左右两侧均设有第三螺钉(62)，所述上限位件(4)上设有内配光镜安装部，所述内配光镜安装部上设有与内配光镜(6)相配合的插入孔，所述内配光镜安装部上设有与各所述第三定位孔(61)对应配合的第三定位柱(41)，所述内配光镜安装部的左右两侧均设有与所述第三螺钉(62)相配合的第三螺钉柱(44)。
  11. 一种车灯，其特征在于，所述车灯内安装有如权利要求1至10中任一所述的光学模组的初级光学单元。
PCT/CN2019/090112 2019-03-05 2019-06-05 一种光学模组的初级光学单元及车灯 WO2020177228A1 (zh)

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