WO2022143411A1 - Optical module and lighting device - Google Patents

Abstract

An optical module and a lighting device. The optical module comprises a polarizing lens (20). The polarizing lens (20) comprises: a lens body (23), one side of the lens body (23) being provided with a recess (231), and the other side of the lens body (23) being provided with a protrusion (232); a light incident surface (21), which is the bottom surface of the recess (231) and is a symmetrical spherical crown or ellipsoid crown or eccentric spherical surface; and a light exit surface (22), which is the surface of the protrusion (232), is provided opposite to the light incident surface (21), and is an eccentric spherical surface. By adjusting the relative position of a light emitting unit (30) and the polarizing lens (20), the adjustment of the light distribution angle of the light emitting unit (30) by the polarizing lens (20) is achieved, and thus the optical module can be universally used in various occasions.

Description

Translated fromChinese

一种光学模组及照明装置Optical module and lighting device

本申请要求了申请日为2020年12月31日，申请号为202011623395.2，发明名称为“一种光学模组及照明装置”的中国专利申请的优先权，该项专利申请的全部内容通过引用结合在本申请中。This application claims the priority of the Chinese patent application whose filing date is December 31, 2020, the application number is 202011623395.2, and the invention name is "an optical module and lighting device", the entire contents of which are incorporated by reference in this application.

技术领域technical field

本申请涉及照明技术领域，尤其地涉及一种光学模组及照明装置。The present application relates to the field of lighting technology, and in particular, to an optical module and a lighting device.

背景技术Background technique

投光灯又称聚光灯、投射灯，是一种将光源光线汇聚投向指定方向实现区域化照明的灯具。常用于广场照明、大面积作业照明、历史建筑群外墙照明、室内局部照明等场景。Spotlights, also known as spotlights and spotlights, are lamps that gather light from a light source and project them in a designated direction to achieve regional lighting. Commonly used in square lighting, large-area operation lighting, exterior wall lighting of historical buildings, indoor local lighting and other scenes.

投光灯大多采用透镜结合LED光源的形式，实现光学模组的整体照明作业。目前市场上光学模组的配光仍属于对称式的配光，即所采用的二次光学透镜，其配光曲面在X-X剖面及Y-Y剖面分别是对称配光的，即出射光线按照透镜的光轴左右和上下分别对称配光，形成一个左右对称和上下对称的长方形光斑。有一小部分光学模组产品做到了非对称配光(即所谓的偏光)，其配光曲线为蝙蝠翼形状，但是由于偏光透镜配光计算及建模比较困难，大部分偏光透镜的偏光角度只能做到30度。Most of the floodlights use the form of lens combined with LED light source to realize the overall lighting operation of the optical module. At present, the light distribution of optical modules on the market still belongs to the symmetrical light distribution, that is, the secondary optical lens used has a symmetrical light distribution in the X-X section and the Y-Y section, that is, the outgoing light is in accordance with the light of the lens. The left and right and top and bottom of the axis are symmetrically distributed, forming a rectangular light spot with left and right symmetry and up and down symmetry. A small number of optical module products have achieved asymmetric light distribution (so-called polarized light), and their light distribution curve is in the shape of a bat wing. However, due to the difficulty in calculating and modeling the light distribution of polarized lenses Can do 30 degrees.

因此，确有必要来开发一种新型的光学模组，以克服现有技术的缺陷。Therefore, it is indeed necessary to develop a new type of optical module to overcome the defects of the prior art.

发明内容SUMMARY OF THE INVENTION

本申请的一个目的是提供一种光学模组，其能够解决已知技术中偏光投光灯的偏光角度较小的问题。An object of the present application is to provide an optical module, which can solve the problem that the polarization angle of the polarized flood light in the prior art is small.

为实现上述目的，本申请提供一种光学模组，包括一偏光透镜，所述偏光透镜包括：透镜体，其一侧设有凹槽，其另一侧设有一凸起；入光面，其为所述凹槽的底面，所述入光面为对称的球冠或椭球冠或偏心球面；以及出光面，其为所述凸起的表面，与所述入光面相对设置，所述出光面为偏心球面。In order to achieve the above purpose, the present application provides an optical module, including a polarized lens, the polarized lens includes: a lens body, one side of which is provided with a groove, and the other side is provided with a protrusion; is the bottom surface of the groove, the light incident surface is a symmetrical spherical cap or ellipsoid cap or an eccentric spherical surface; and the light exit surface, which is the convex surface, is arranged opposite the light incident surface, the The light-emitting surface is an eccentric spherical surface.

进一步的，在其他实施方式中，其中以所述凹槽的槽口所处平面为参照面，所述出光面在所述参照面上的投影为轴对称图形，定义该轴对称图形的对称轴与所述出光面在所述参照面上的投影的交点为出光面投影中轴线段，定义经过所述出光面投影中轴线段且垂直于所述参照面的平面为第一纵向截面，所述出光面与所述第一纵向截面的交线为一偏心曲线。Further, in other embodiments, the plane where the notch of the groove is located is the reference plane, the projection of the light emitting surface on the reference plane is an axisymmetric figure, and the symmetry axis of the axisymmetric figure is defined. The intersection point with the projection of the light-emitting surface on the reference surface is the projection center axis segment of the light-emitting surface, and a plane passing through the projection center-axis segment of the light-emitting surface and perpendicular to the reference surface is defined as the first longitudinal section. The intersection line of the light-emitting surface and the first longitudinal section is an eccentric curve.

进一步的，在其他实施方式中，其中所述偏心曲线上曲率半径最小的一点在所述参照面上的投影与所述出光面投影中轴线段的一端点的距离，与所述出光面投影中轴线段的长度的比值为0.2-0.4。Further, in other embodiments, the distance between the projection of the point with the smallest radius of curvature on the eccentric curve on the reference surface and an end point of the axis segment in the projection of the light-emitting surface is the same as that in the projection of the light-emitting surface. The ratio of the lengths of the axis segments is 0.2-0.4.

进一步的，在其他实施方式中，其中所述入光面在所述参照面上的投影为轴对称图形，定义该轴对称图形的对称轴与所述入光面在所述参照面上的投影的交点为入光面投影中轴线段，所述入光面投影中轴线段的中点与所述出光面投影中轴线的中点相离。Further, in other embodiments, the projection of the light incident surface on the reference surface is an axisymmetric figure, and the symmetry axis of the axisymmetric figure and the projection of the light incident surface on the reference surface are defined. The intersection point is the projected central axis segment of the light incident surface, and the midpoint of the projected central axis segment of the light incident surface is separated from the midpoint of the projected central axis of the light exit surface.

进一步的，在其他实施方式中，其中所述入光面与所述第一纵向截面的交线为一弧线。Further, in other embodiments, the intersection line of the light incident surface and the first longitudinal section is an arc.

进一步的，在其他实施方式中，其中所述入光面在所述参照面上的投影的面积小于所述出光面在所述参照面上的投影面积。Further, in other embodiments, the projected area of the light incident surface on the reference surface is smaller than the projected area of the light exit surface on the reference surface.

进一步的，在其他实施方式中，其中还包括连接平台，连接至所述偏光透镜的边缘处。Further, in other embodiments, a connecting platform is also included, which is connected to the edge of the polarizing lens.

进一步的，在其他实施方式中，其中所述偏光透镜与所述连接平台为一体化结构。Further, in other embodiments, the polarizing lens and the connecting platform are an integrated structure.

进一步的，在其他实施方式中，其中定义垂直于所述参照面的平面且垂直于所述第一纵向截面的平面为第二纵向截面；所述出光面与所述第二纵向截面的交线为半圆形或弓形。Further, in other embodiments, a plane perpendicular to the reference plane and a plane perpendicular to the first longitudinal section is defined as a second longitudinal section; the intersection of the light exit surface and the second longitudinal section It is semicircular or arcuate.

为实现上述目的，本申请还提供一种照明装置，包括本申请涉及的所述光学模组。In order to achieve the above purpose, the present application further provides an illumination device including the optical module involved in the present application.

进一步的，在其他实施方式中，其中，包括基板，所述光学模组被安装至所述基板，所述光学模组的入光面与所述基板围成一腔体；所述基板的平面与所述凹槽的槽口所处平面相平行。Further, in other embodiments, a substrate is included, the optical module is mounted on the substrate, the light incident surface of the optical module and the substrate form a cavity; the plane of the substrate parallel to the plane where the notch of the groove is located.

进一步的，在其他实施方式中，其中，包括发光单元，设于所述腔体内，且安装至所述基板。Further, in other embodiments, a light-emitting unit is included, disposed in the cavity, and mounted on the substrate.

进一步的，在其他实施方式中，其中，所述发光单元位于所述入光面在所述参照面上的投影的对称轴上。Further, in other embodiments, the light emitting unit is located on the axis of symmetry of the projection of the light incident surface on the reference surface.

进一步的，在其他实施方式中，其中，所述发光单元中心点与入光面投影中轴线段的一端点的距离，与所述入光面投影中轴线段的长度的比值为0.2-0.5。Further, in other embodiments, the ratio of the distance between the center point of the light-emitting unit and an end point of the projected central axis segment of the light incident surface and the length of the projected central axis segment of the light incident surface is 0.2-0.5.

进一步的，在其他实施方式中，其中，所述发光单元在所述基板上具有第一位置和第二位置，所述发光单元在所述第一位置时所述偏光透镜的配光角度小于所述发光单元在所述第二位置时所述偏光透镜的配光角度。Further, in other embodiments, the light-emitting unit has a first position and a second position on the substrate, and when the light-emitting unit is at the first position, the light distribution angle of the polarizing lens is smaller than that of the light-emitting unit. The light distribution angle of the polarizing lens when the light emitting unit is in the second position.

相对于已知技术，本申请的有益效果在于：本申请提供一种光学模组及照明装置，本申请提供的偏光透镜的偏光角度能做到60度，大大提高了偏光角度；另一方面，根据配光角度需要，调整发光单元和偏光透镜的相对位置，实现偏光透镜对发光单元配光角度的调节，使光学模组通用于各种场合使用。Compared with the known technology, the beneficial effects of the present application are as follows: the present application provides an optical module and an illuminating device, and the polarization angle of the polarizing lens provided by the present application can reach 60 degrees, which greatly improves the polarization angle; on the other hand, Adjust the relative position of the light-emitting unit and the polarizing lens according to the needs of the light distribution angle, so as to realize the adjustment of the light distribution angle of the light-emitting unit by the polarizing lens, so that the optical module can be used in various occasions.

附图说明Description of drawings

下面结合附图，通过对本申请的具体实施方式详细描述，将使本申请的技术方案及其它有益效果显而易见。The technical solutions and other beneficial effects of the present application will be apparent through the detailed description of the specific embodiments of the present application in conjunction with the accompanying drawings.

图1为本申请实施例1提供的偏光透镜的结构示意图；1 is a schematic structural diagram of a polarized lens provided in Embodiment 1 of the present application;

图2为本申请实施例1提供的照明装置的结构示意图；2 is a schematic structural diagram of the lighting device provided in Embodiment 1 of the present application;

图3为本申请实施例1提供的照明装置的剖视结构示意图；3 is a schematic cross-sectional structural diagram of the lighting device provided in Embodiment 1 of the present application;

图4为本申请实施例1提供的照明装置的俯视结构示意图；FIG. 4 is a schematic top-view structural diagram of the lighting device provided in Embodiment 1 of the present application;

图5为本申请实施例1提供的照明装置的第一纵向截面的纵向剖视图；5 is a longitudinal sectional view of a first longitudinal section of the lighting device provided in Embodiment 1 of the present application;

图6为本申请实施例1提供的照明装置的第二纵向截面的纵向剖视图；6 is a longitudinal sectional view of a second longitudinal section of the lighting device provided in Embodiment 1 of the present application;

图7为本申请实施例1提供的当发光单元位于第一位置时偏光透镜的配光曲线图；7 is a light distribution curve diagram of a polarized lens when the light-emitting unit is located at the first position according to Embodiment 1 of the present application;

图8为本申请实施例1提供的当发光单元位于第二位置时偏光透镜的配光曲线图；8 is a light distribution curve diagram of the polarized lens when the light-emitting unit is located at the second position according to Embodiment 1 of the present application;

图9为本申请实施例1提供的当发光单元位于第三位置时偏光透镜的配光曲线图；9 is a light distribution curve diagram of the polarized lens when the light-emitting unit is located at the third position according to Embodiment 1 of the present application;

图10为本申请实施例1提供的当发光单元位于第四位置时偏光透镜的配光曲线图；10 is a light distribution curve diagram of the polarized lens when the light-emitting unit is located at the fourth position according to Embodiment 1 of the present application;

图11为本申请实施例1提供的当发光单元位于第四位置时偏光透镜的配光曲线图；11 is a light distribution curve diagram of the polarized lens when the light-emitting unit is located at the fourth position according to Embodiment 1 of the present application;

图12为本申请实施例2提供的照明装置的结构示意图；12 is a schematic structural diagram of the lighting device provided in Embodiment 2 of the present application;

图13为本申请实施例2提供的照明装置的俯视结构示意图；13 is a schematic top-view structural diagram of the lighting device provided in Embodiment 2 of the present application;

图14为本申请实施例2提供的当发光单元位于第一位置时偏光透镜的配光曲线图；14 is a light distribution curve diagram of a polarized lens when the light-emitting unit is located at the first position according to Embodiment 2 of the present application;

图15为本申请实施例2提供的当发光单元位于第二位置时偏光透镜的配光曲线图；15 is a light distribution curve diagram of the polarized lens when the light-emitting unit is located at the second position according to Embodiment 2 of the present application;

图16为本申请实施例2提供的当发光单元位于第三位置时偏光透镜的配光曲线图；16 is a light distribution curve diagram of the polarized lens when the light-emitting unit is located at the third position according to Embodiment 2 of the present application;

图17为本申请实施例2提供的当发光单元位于第四位置时偏光透镜的配光曲线图；17 is a light distribution curve diagram of the polarized lens when the light-emitting unit is located at the fourth position according to Embodiment 2 of the present application;

图18为本申请实施例2提供的当发光单元位于第五位置时偏光透镜的配光曲线图。FIG. 18 is a light distribution curve diagram of the polarized lens when the light emitting unit is located at the fifth position according to Embodiment 2 of the present application.

附图说明：Description of drawings:

照明装置-100；                   基板-10；Lighting device-100; Substrate-10;

偏光透镜-20；                    入光面-21；Polarized lens-20; light-incident surface-21;

发光单元-30；                    出光面-22；Light-emitting unit-30; Light-emitting surface-22;

透镜体-23；lens body-23;

连接平台-24；                    凹槽-231；connection platform-24; groove-231;

凸起-232；                       腔体-233；Bump-232; Cavity-233;

第一平台-241；                   第二平台-242。The first platform-241; The second platform-242.

具体实施方式Detailed ways

下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

实施例1Example 1

本申请实施例提供一种光学模组，包括偏光透镜20，如图1所示，偏光透镜20包括一入光面21、一出光面22、透镜体23和连接平台24。An embodiment of the present application provides an optical module including apolarized lens 20 . As shown in FIG. 1 , thepolarized lens 20 includes alight entrance surface 21 , alight exit surface 22 , alens body 23 and aconnection platform 24 .

透镜体23一侧设有凹槽231，入光面21为凹槽的底面，用于收集光源。在本实施例中，入光面21为对称的椭球冠，光源发出的光线经过入光面21进入透镜体23后，光线的角度不发生偏转。在其他实施例中，入光面21也可以为对称的球冠或偏心球面。Agroove 231 is provided on one side of thelens body 23, and thelight incident surface 21 is the bottom surface of the groove for collecting light sources. In this embodiment, thelight incident surface 21 is a symmetrical ellipsoid crown, and after the light emitted by the light source passes through thelight incident surface 21 and enters thelens body 23, the angle of the light is not deflected. In other embodiments, thelight incident surface 21 may also be a symmetrical spherical cap or an eccentric spherical surface.

透镜体23的另一侧设有一凸起232，出光面22为凸起232的表面，与入光面22相对设置，用于发射光源。在本实施例中，出光面22为偏心球面，光源发出的光线经过入光面21进入透镜体23再经过出光面22后，光线的角度发生偏转，并向同一侧偏转。The other side of thelens body 23 is provided with aprotrusion 232 , and the light-emittingsurface 22 is the surface of theprotrusion 232 , and is disposed opposite to the light-incident surface 22 for emitting light sources. In this embodiment, thelight emitting surface 22 is an eccentric spherical surface. The light emitted by the light source passes through thelight incident surface 21 and enters thelens body 23 and then passes through thelight emitting surface 22. The angle of the light is deflected and deflected to the same side.

连接平台24位于透镜体23的四周，连接至偏光透镜20的边缘处，连接入光面21和出 光面22，偏光透镜20的入光面21和出光面22与连接平台24为一体化结构。Theconnection platform 24 is positioned around thelens body 23, is connected to the edge of thepolarized lens 20, connects thelight incident surface 21 and thelight exit surface 22, and thelight incident surface 21 and thelight exit surface 22 of thepolarized lens 20 and theconnection platform 24 are an integrated structure.

偏光透镜20在基板10上的投影为轴对称图形，定义偏光透镜20在基板10上的投影的对称轴为偏光透镜20的中轴线，定义偏光透镜20的第一纵向截面为经过中轴线且垂直于基板的平面，定义偏光透镜20的第二纵向截面为垂直于中轴线且垂直于基板的平面。The projection of thepolarizing lens 20 on thesubstrate 10 is an axisymmetric figure, the axis of symmetry of the projection of thepolarizing lens 20 on thesubstrate 10 is defined as the central axis of thepolarizing lens 20, and the first longitudinal section of thepolarizing lens 20 is defined as passing through the central axis and perpendicular to the axis. In the plane of the substrate, the second longitudinal section of thepolarizing lens 20 is defined as being perpendicular to the central axis and perpendicular to the plane of the substrate.

以凹槽231的槽口所处平面为参照面，出光面22在参照面上的投影为轴对称图形，定义该轴对称图形的对称轴与出光面22在所述参照面上的投影的交点为出光面投影中轴线段，入光面21在参照面上的投影为轴对称图形，定义该轴对称图形的对称轴与入光面21在参照面上的投影的交点为入光面投影中轴线段，入光面21投影中轴线段的中点与出光面22投影中轴线的中点相离。Taking the plane where the notch of thegroove 231 is located as the reference surface, the projection of the light-emittingsurface 22 on the reference surface is an axisymmetric figure, and the intersection of the symmetry axis of the axisymmetric figure and the projection of the light-emittingsurface 22 on the reference surface is defined. The projection of the light-incident surface 21 on the reference surface is an axisymmetric figure, and the intersection of the symmetry axis of the axisymmetric figure and the projection of the light-incident surface 21 on the reference surface is defined as the projection of the light-incident surface. For the axis segment, the midpoint of the projected central axis of thelight incident surface 21 is separated from the midpoint of the projected central axis of thelight exit surface 22 .

定义经过出光面22投影中轴线段且垂直于参照面的平面为第一纵向截面，定义垂直于参照面的平面且垂直于第一纵向截面的平面为第二纵向截面。出光面22与第一纵向截面的交线为一偏心曲线，入光面21与第一纵向的交线为一弧线；出光面22与第二纵向截面的交线为半圆形或弓形。A plane passing through the projected central axis segment of thelight exit surface 22 and perpendicular to the reference plane is defined as the first longitudinal section, and a plane perpendicular to the reference plane and perpendicular to the first longitudinal section is defined as the second longitudinal section. The intersection of the light-emittingsurface 22 and the first longitudinal section is an eccentric curve, the intersection of the light-incident surface 21 and the first longitudinal section is an arc; the intersection of the light-emittingsurface 22 and the second longitudinal section is semicircular or arcuate.

出光面22与第一纵向截面的交线为一偏心曲线，偏心曲线上曲率半径最小的一点在参照面上的投影与出光面22投影中轴线段的一端点的距离，与出光面22投影中轴线段的长度的比值为0.2-0.4。The intersection line of the light-emittingsurface 22 and the first longitudinal section is an eccentric curve. The projection of the point with the smallest radius of curvature on the eccentric curve on the reference surface is the distance between the projection of the light-emittingsurface 22 and an end point of the central axis of the projection of the light-emittingsurface 22, and the projection of the light-emittingsurface 22. The ratio of the lengths of the axis segments is 0.2-0.4.

入光面21在参照面上的投影的面积小于出光面22在参照面上的投影面积，入光面21在参照面上的投影的部分或全部位于出光面22在2参照面上的投影内。The projected area of thelight incident surface 21 on the reference surface is smaller than the projected area of thelight exit surface 22 on the reference surface, and part or all of the projection of thelight incident surface 21 on the reference surface is located within the projection of thelight exit surface 22 on the reference surface 2. .

本申请实施例还提供一种照明装置100，如图2和图3所示，照明装置100包括基板10、偏光透镜20、发光单元30。An embodiment of the present application further provides anillumination device 100 . As shown in FIGS. 2 and 3 , theillumination device 100 includes asubstrate 10 , apolarizing lens 20 , and a light-emittingunit 30 .

入光面21与基板10围成一腔体233，发光单元30设于腔体233内，安装至基板10，发光单元30与入光面21之间具有间隙，偏光透镜20对发光单元30发出的光线进行配光。The light-incident surface 21 and thesubstrate 10 enclose acavity 233 . The light-emittingunit 30 is arranged in thecavity 233 and is mounted on thesubstrate 10 . There is a gap between the light-emittingunit 30 and the light-incident surface 21 . light distribution.

基板10的平面与凹槽231的槽口所处平面相平行，连接平台24的底面与基板10相接。The plane of thesubstrate 10 is parallel to the plane where the notch of thegroove 231 is located, and the bottom surface of theconnection platform 24 is in contact with thesubstrate 10 .

请参阅图5，图5为偏光透镜20的第一纵向截面的纵向剖视图，发光单元30位于偏光透镜20的入光面21在参照面上的投影的对称轴上。连接平台与第一纵向截面的交线形成第一平台241和第二平台242。入光面21在基板10上的投影与出光面22在基板10上的投影部分交叠，由图5中可知，在靠近第二平台242的一侧，入光面21在基板10上的投影覆盖出光面22在基板10上的投影；在靠近第一平台241的一侧，出光面22在基板10上的投影覆盖入光面21在基板10上的投影。Please refer to FIG. 5 , which is a longitudinal cross-sectional view of the first longitudinal section of thepolarizing lens 20 . Thelight emitting unit 30 is located on the symmetry axis of the projection of thelight incident surface 21 of thepolarizing lens 20 on the reference surface. The intersection of the connecting platform and the first longitudinal section forms afirst platform 241 and asecond platform 242 . The projection of thelight incident surface 21 on thesubstrate 10 partially overlaps with the projection of thelight emitting surface 22 on thesubstrate 10 . It can be seen from FIG. 5 that on the side close to thesecond platform 242 , the projection of thelight incident surface 21 on thesubstrate 10 Covers the projection of the light-emittingsurface 22 on thesubstrate 10 ; on the side close to thefirst platform 241 , the projection of the light-emittingsurface 22 on thesubstrate 10 covers the projection of the light-incident surface 21 on thesubstrate 10 .

发光单元30中心点与入光面21投影中轴线段的一端点的距离，与入光面21投影中轴线段的长度的比值为0.2-0.5。The ratio of the distance between the center point of the light-emittingunit 30 and an end point of the projected central axis segment of thelight incident surface 21 and the length of the projected central axis segment of thelight incident surface 21 is 0.2-0.5.

在其他实施例中，入光面21为对称的球冠时，入光面21与第一纵向截面的的交线为半圆形。In other embodiments, when thelight incident surface 21 is a symmetrical spherical cap, the intersection line of thelight incident surface 21 and the first longitudinal section is a semicircle.

以入光面21的中心轴与基板10相交的点为坐标原点，以入光面21的中心轴为z轴， 以偏光透镜20在基板10上的投影的对称轴为x轴，建立三维坐标系，y轴分别垂直于x轴及z轴。坐标原点朝向第一平台241的方向为x轴的负方向。坐标原点朝向第二平台242的方向为x轴的正方向，偏心曲面在该坐标上的公式为：Taking the point where the central axis of thelight incident surface 21 intersects thesubstrate 10 as the origin of coordinates, taking the central axis of thelight incident surface 21 as the z axis, and taking the symmetry axis of the projection of thepolarizing lens 20 on thesubstrate 10 as the x axis, three-dimensional coordinates are established. The y-axis is perpendicular to the x-axis and the z-axis, respectively. The direction of the coordinate origin toward thefirst platform 241 is the negative direction of the x-axis. The direction of the coordinate origin facing thesecond platform 242 is the positive direction of the x-axis, and the formula of the eccentric surface on this coordinate is:

y＝-2×10^-10x⁶-8×10^-9x⁵+7×10^-7x⁴+2×10^-5x³-0.0078x²-0.3006x+84.923y = -2×10^-10 x⁶ -8 x 10^-9 x⁵ +7 x 10^-7 x⁴ +2 x 10^-5 x³ -0.0078x² -0.3006x+84.923

从发光单元出射的光在偏光透镜的第一纵向截面经过偏光透镜后的折射光线偏离入光面的中心轴，偏向第一平台241的方向。The refracted rays of the light emitted from the light emitting unit after passing through the polarizing lens in the first longitudinal section of the polarizing lens are deviated from the central axis of the light incident surface and are deviated towards the direction of thefirst platform 241 .

请参阅图6，图6为偏光透镜20的第二纵向截面的纵向剖视图。入光面21与第二纵向截面的交线为一弓形，出光面22与第二纵向截面的交线为一弓形。在其他实施例中，入光面21为对称的球冠时，入光面21与第二纵向截面的交线为半圆形。Please refer to FIG. 6 , which is a longitudinal cross-sectional view of the second longitudinal section of thepolarizing lens 20 . The intersection line of thelight incident surface 21 and the second longitudinal section is an arcuate shape, and the intersection line of thelight exit surface 22 and the second longitudinal section is an arcuate shape. In other embodiments, when thelight incident surface 21 is a symmetrical spherical cap, the intersection line of thelight incident surface 21 and the second longitudinal section is a semicircle.

从发光单元出射的光在偏光透镜20的第二纵向截面经过偏光透镜20后的折射光线靠近入光面的中心轴。The refracted rays of the light emitted from the light emitting unit after passing through thepolarizing lens 20 in the second longitudinal section of thepolarizing lens 20 are close to the central axis of the light incident surface.

如图2和图4所示，在本实施例中，发光单元采用一个5050灯珠，5050灯珠的直径为5mm，在基板10上总共排布32颗5050灯珠。As shown in FIG. 2 and FIG. 4 , in this embodiment, the light-emitting unit adopts one 5050 lamp bead, the diameter of the 5050 lamp bead is 5 mm, and a total of 32 5050 lamp beads are arranged on thesubstrate 10 .

发光单元30在偏光透镜20在基板10上的投影的对称轴上具有第一位置、第二位置、第三位置、第四位置和第五位置。当发光单元30越靠近第二平台242，偏光透镜20的配光角度越小，当发光单元30越远离第二平台242时，偏光透镜20的配光角度越小。Thelight emitting unit 30 has a first position, a second position, a third position, a fourth position and a fifth position on the axis of symmetry of the projection of thepolarizing lens 20 on thesubstrate 10 . When thelight emitting unit 30 is closer to thesecond platform 242 , the light distribution angle of thepolarizing lens 20 is smaller, and when thelight emitting unit 30 is farther away from thesecond platform 242 , the light distribution angle of thepolarizing lens 20 is smaller.

如图7所示，在本实施例中，第一平台241和第二平台242之间的距离为3.6mm，发光单元30的第一位置与第二平台240之间的距离为0.3mm，偏光透镜在第一纵向截面对发光单元30的配光角度为25度，偏光透镜在第二纵向截面对发光单元30的配光角度为90度，第一纵向截的最大光强偏离入光面21的中心轴45度。As shown in FIG. 7 , in this embodiment, the distance between thefirst platform 241 and thesecond platform 242 is 3.6 mm, the distance between the first position of the light-emittingunit 30 and the second platform 240 is 0.3 mm, and the polarized light is The light distribution angle of the lens to the light-emittingunit 30 in the first longitudinal section is 25 degrees, the light distribution angle of the polarizing lens to the light-emittingunit 30 in the second longitudinal section is 90 degrees, and the maximum light intensity of the first longitudinal section deviates from thelight incident surface 21 45 degrees of the central axis.

发光单元30的发光中心点距离第二平台240的长度小于0.3mm时，可能会产生干涉，因此在本实施例中，设置发光单元30的第一位置与第二平台240之间的最小距离为0.3mm。When the length of the light-emitting center point of the light-emittingunit 30 is less than 0.3 mm from the second platform 240, interference may occur. Therefore, in this embodiment, the minimum distance between the first position of the light-emittingunit 30 and the second platform 240 is 0.3mm.

如图8所示，在本实施例中，发光单元30的第二位置与第二平台240之间的距离为0.8mm，偏光透镜在第一纵向截面对发光单元30的配光角度为30度，偏光透镜在第二纵向截面对发光单元30的配光角度为90度，第一纵向截的最大光强偏离入光面21的中心轴42度。As shown in FIG. 8 , in this embodiment, the distance between the second position of the light-emittingunit 30 and the second platform 240 is 0.8 mm, and the light distribution angle of the polarizing lens to the light-emittingunit 30 in the first longitudinal section is 30 degrees , the light distribution angle of the polarizing lens to the light-emittingunit 30 in the second longitudinal section is 90 degrees, and the maximum light intensity of the first longitudinal section is deviated from the central axis of thelight incident surface 21 by 42 degrees.

如图9所示，在本实施例中，发光单元30的第三位置与第二平台240之间的距离为1.4mm，偏光透镜在第一纵向截面对发光单元30的配光角度为40度，偏光透镜在第二纵向截面对发光单元30的配光角度为90度，第一纵向截的最大光强偏离入光面21的中心轴40度。As shown in FIG. 9 , in this embodiment, the distance between the third position of the light-emittingunit 30 and the second platform 240 is 1.4 mm, and the light distribution angle of the polarizing lens to the light-emittingunit 30 in the first longitudinal section is 40 degrees , the light distribution angle of the polarizing lens to the light-emittingunit 30 in the second longitudinal section is 90 degrees, and the maximum light intensity of the first longitudinal section is deviated from the central axis of thelight incident surface 21 by 40 degrees.

如图10所示，在本实施例中，发光单元30的第四位置与第二平台240之间的距离为2mm，偏光透镜在第一纵向截面对发光单元30的配光角度为50度，偏光透镜在第二纵向截面对发光单元30的配光角度为90度，第一纵向截的最大光强偏离入光面21的中心轴36度。As shown in FIG. 10 , in this embodiment, the distance between the fourth position of the light-emittingunit 30 and the second platform 240 is 2 mm, and the light distribution angle of the polarizing lens to the light-emittingunit 30 in the first longitudinal section is 50 degrees, The light distribution angle of the polarizing lens to thelight emitting unit 30 in the second longitudinal section is 90 degrees, and the maximum light intensity of the first longitudinal section is deviated from the central axis of thelight incident surface 21 by 36 degrees.

如图11所示，在本实施例中，发光单元30的第五位置与第二平台240之间的距离为3mm时，偏光透镜在第一纵向截面对发光单元30的配光角度为60度，偏光透镜在第二纵向截面对发光单元30的配光角度为90度，第一纵向截的最大光强偏离入光面21的中心轴30度。As shown in FIG. 11 , in this embodiment, when the distance between the fifth position of the light-emittingunit 30 and the second platform 240 is 3 mm, the light distribution angle of the polarizing lens to the light-emittingunit 30 in the first longitudinal section is 60 degrees , the light distribution angle of the polarizing lens to thelight emitting unit 30 in the second longitudinal section is 90 degrees, and the maximum light intensity of the first longitudinal section is deviated from the central axis of thelight incident surface 21 by 30 degrees.

定义发光单元30的发光中心点距离第二平台240的长度为a，偏光透镜在第二纵向截面对发光单元30的配光角度为b，则b＝15.6a+18.5。The length of the light-emitting center point of the light-emittingunit 30 from the second platform 240 is defined as a, and the light distribution angle of the polarizing lens to the light-emittingunit 30 in the second longitudinal section is b, then b=15.6a+18.5.

在其他实施方式中，发光单元30可移动式安装至基板10上，基板10上设置有滑轨，发光单元30能够在滑轨中移动，发光单元的移动路径为偏光透镜参照面上的投影的对称轴。In other embodiments, the light-emittingunit 30 is movably mounted on thesubstrate 10, thesubstrate 10 is provided with a slide rail, the light-emittingunit 30 can move in the slide rail, and the moving path of the light-emitting unit is the symmetry of the projection on the reference plane of the polarizing lens axis.

根据配光角度需要，通过调整发光单元和偏光透镜的相对位置，实现偏光透镜对发光单元配光角度的调节，使光学模组通用于各种场合使用。According to the needs of the light distribution angle, by adjusting the relative position of the light emitting unit and the polarizing lens, the adjustment of the light distribution angle of the light emitting unit by the polarizing lens is realized, so that the optical module can be used in various occasions.

在本实施例中，光学模组还包括驱动电源和灯罩(图未示)，驱动电源设于基板上，且驱动电源与发光单元电性连接，用于为发光单元提供电源；灯罩设于基板上，且覆盖于发光单元和透镜的上方，用于保护发光单元和透镜。In this embodiment, the optical module further includes a driving power source and a lampshade (not shown in the figure), the driving power source is arranged on the substrate, and the driving power source is electrically connected with the light-emitting unit to provide power for the light-emitting unit; the lampshade is arranged on the substrate and cover the light-emitting unit and the lens, to protect the light-emitting unit and the lens.

本实施例中的光学模组可以应用于路灯，现有技术中的路灯由于其配光角度不可调，当低杆要求大照射面积时需要大角度配光的光学模组，高杆要求照明时需要小角度配光的光学模组，都是通过调整灯具的仰角来实现向前投射，但会有部分光线进入人眼形成不舒适眩光。The optical module in this embodiment can be applied to street lamps. Because the light distribution angle of the street lamps in the prior art is not adjustable, when a low pole requires a large irradiation area, an optical module with a large angle light distribution is required, and when a high pole requires lighting Optical modules that require small-angle light distribution all realize forward projection by adjusting the elevation angle of the lamps, but some light will enter the human eye to form uncomfortable glare.

而本实施例中的光学模组将会解决这个技术问题，将光学模组100设于路灯的灯杆上，由于偏光透镜在第一纵向截面及第二纵向截面分别有不同角度的配光，故将第一纵向截面设置为平行于道路方向，第二纵向截面垂直于道路方向。当低杆要求大照射面积时，需要大角度配光，此时设置发光单元的位置靠近第一平台；当高杆要求重点照明时，需要小角度配光，此时设置发光单元的位置靠近第二平台，不需要调整灯具的仰角，避免光线进入人眼形成不舒适眩光。The optical module in this embodiment will solve this technical problem. Theoptical module 100 is arranged on the lamp pole of the street lamp. Since the polarized lens has different angles of light distribution in the first longitudinal section and the second longitudinal section, respectively, Therefore, the first longitudinal section is set parallel to the road direction, and the second longitudinal section is perpendicular to the road direction. When the low pole requires a large illumination area, a large angle light distribution is required, and the position of the light emitting unit is set close to the first platform; when the high pole requires key lighting, a small angle light distribution is required, and the light emitting unit is set close to the first platform. For the second platform, there is no need to adjust the elevation angle of the lamps to prevent the light from entering the human eye and causing uncomfortable glare.

实施例2Example 2

本实施例中的照明装置与实施例1中的对应结构大致相同，其相同的结构可参照实施例1中的对应描述，此处不再赘述。其中两者的主要不同之处在于，在本实施例中，发光单元采用两个3030灯珠，如图12和图13所示，3030灯珠的直径为3mm，发光单元中的两个3030灯珠的距离为1mm，在基板上10总共排布64颗3030灯珠。The lighting device in this embodiment is substantially the same as the corresponding structure in Embodiment 1, and the same structure can refer to the corresponding description in Embodiment 1, and details are not repeated here. The main difference between the two is that in this embodiment, the light-emitting unit uses two 3030 lamp beads, as shown in Figure 12 and Figure 13, the diameter of the 3030 lamp bead is 3mm, and the two 3030 lamp beads in the light-emitting unit The distance of the beads is 1mm, and a total of 64 3030 lamp beads are arranged on thesubstrate 10.

如图14所示，在本实施例中，第一平台241与第二平台242的距离为4.6mm，发光单元30的第一位置与第二平台242之间的距离为0.8mm，偏光透镜在第一纵向截面对发光单元30的配光角度为25度，偏光透镜在第二纵向截面对发光单元30的配光角度为90度，第一纵向截的最大光强偏离入光面21的中心轴42度。As shown in FIG. 14 , in this embodiment, the distance between thefirst platform 241 and thesecond platform 242 is 4.6 mm, the distance between the first position of the light-emittingunit 30 and thesecond platform 242 is 0.8 mm, and the polarizing lens is at The light distribution angle of the first longitudinal section to the light-emittingunit 30 is 25 degrees, the light distribution angle of the polarizing lens to the light-emittingunit 30 in the second longitudinal section is 90 degrees, and the maximum light intensity of the first longitudinal section is deviated from the center of thelight incident surface 21 Axis 42 degrees.

如图15所示，在本实施例中，发光单元30的第二位置与第二平台240之间的距离为1mm，偏光透镜在第一纵向截面对发光单元30的配光角度为30度，偏光透镜在第二纵向截面对发光单元30的配光角度为90度，第一纵向截的最大光强偏离入光面21的中心轴39 度。As shown in FIG. 15 , in this embodiment, the distance between the second position of the light-emittingunit 30 and the second platform 240 is 1 mm, and the light distribution angle of the polarizing lens to the light-emittingunit 30 in the first longitudinal section is 30 degrees, The light distribution angle of the polarizing lens to the light-emittingunit 30 in the second longitudinal section is 90 degrees, and the maximum light intensity of the first longitudinal section is deviated from the central axis of thelight incident surface 21 by 39 degrees.

如图16所示，在本实施例中，发光单元30的第三位置与第二平台240之间的距离为1.6mm，偏光透镜在第一纵向截面对发光单元30的配光角度为40度，偏光透镜在第二纵向截面对发光单元30的配光角度为90度，第一纵向截的最大光强偏离入光面21的中心轴36度。As shown in FIG. 16 , in this embodiment, the distance between the third position of the light-emittingunit 30 and the second platform 240 is 1.6 mm, and the light distribution angle of the polarizing lens to the light-emittingunit 30 in the first longitudinal section is 40 degrees , the light distribution angle of the polarizing lens to the light-emittingunit 30 in the second longitudinal section is 90 degrees, and the maximum light intensity of the first longitudinal section is deviated from the central axis of thelight incident surface 21 by 36 degrees.

如图17所示，在本实施例中，发光单元30的第四位置与第二平台240之间的距离为2mm，偏光透镜在第一纵向截面对发光单元30的配光角度为50度，偏光透镜在第二纵向截面对发光单元30的配光角度为90度，第一纵向截的最大光强偏离入光面21的中心轴36度。As shown in FIG. 17 , in this embodiment, the distance between the fourth position of the light-emittingunit 30 and the second platform 240 is 2 mm, and the light distribution angle of the polarizing lens to the light-emittingunit 30 in the first longitudinal section is 50 degrees, The light distribution angle of the polarizing lens to thelight emitting unit 30 in the second longitudinal section is 90 degrees, and the maximum light intensity of the first longitudinal section is deviated from the central axis of thelight incident surface 21 by 36 degrees.

如图18所示，在本实施例中，发光单元30的第五位置与第二平台240之间的距离为3mm，偏光透镜在第一纵向截面对发光单元30的配光角度为60度，偏光透镜在第二纵向截面对发光单元30的配光角度为90度，第一纵向截的最大光强偏离入光面21的中心轴30度。As shown in FIG. 18 , in this embodiment, the distance between the fifth position of the light-emittingunit 30 and the second platform 240 is 3 mm, and the light distribution angle of the polarizing lens to the light-emittingunit 30 in the first longitudinal section is 60 degrees, The light distribution angle of the polarizing lens to thelight emitting unit 30 in the second longitudinal section is 90 degrees, and the maximum light intensity of the first longitudinal section is deviated from the central axis of thelight incident surface 21 by 30 degrees.

根据配光角度需要，通过调整发光单元和偏光透镜的相对位置，实现偏光透镜对发光单元配光角度的调节，使光学模组通用于各种场合使用。According to the needs of the light distribution angle, by adjusting the relative position of the light emitting unit and the polarizing lens, the adjustment of the light distribution angle of the light emitting unit by the polarizing lens is realized, so that the optical module can be used in various occasions.

在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。In the above-mentioned embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

以上对本申请实施例所提供的一种光学模组进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的技术方案及其核心思想；本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例的技术方案的范围。An optical module provided by the embodiments of the present application has been introduced in detail above. The principles and implementations of the present application are described in this article by using specific examples. The descriptions of the above embodiments are only used to help understand the technology of the present application. scheme and its core idea; those of ordinary skill in the art should understand that: it is still possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent replacements for some of the technical features; and these modifications or replacements do not make The essence of the corresponding technical solutions deviates from the scope of the technical solutions of the embodiments of the present application.

Claims (16)

Translated fromChinese

一种光学模组，其中，包括一偏光透镜，An optical module comprising a polarized lens,所述偏光透镜包括：The polarized lens includes:透镜体，其一侧设有凹槽，其另一侧设有一凸起；The lens body is provided with a groove on one side and a protrusion on the other side;入光面，其为所述凹槽的底面；以及a light incident surface, which is the bottom surface of the groove; and出光面，其为所述凸起的表面，与所述入光面相对设置，所述出光面为偏心球面。The light exit surface, which is the convex surface, is disposed opposite to the light incident surface, and the light exit surface is an eccentric spherical surface.根据权利要求1所述的光学模组，其中，The optical module according to claim 1, wherein,以所述凹槽的槽口所处平面为参照面，Taking the plane where the notch of the groove is located as the reference plane,所述出光面在所述参照面上的投影为轴对称图形，The projection of the light-emitting surface on the reference surface is an axisymmetric figure,定义该轴对称图形的对称轴与所述出光面在所述参照面上的投影的交点为出光面投影中轴线段，Define the intersection of the symmetry axis of the axisymmetric figure and the projection of the light-emitting surface on the reference surface as the central axis segment of the projection of the light-emitting surface,定义经过所述出光面投影中轴线段且垂直于所述参照面的平面为第一纵向截面，Define the plane passing through the projected central axis segment of the light-emitting surface and perpendicular to the reference surface as the first longitudinal section,所述出光面与所述第一纵向截面的交线为一偏心曲线。The intersection line of the light emitting surface and the first longitudinal section is an eccentric curve.根据权利要求2所述的光学模组，其中，The optical module according to claim 2, wherein,所述偏心曲线上曲率半径最小的一点在所述参照面上的投影与所述出光面投影中轴线段的一端点的距离，与所述出光面投影中轴线段的长度的比值为0.2-0.4。The distance between the projection of the point with the smallest radius of curvature on the eccentric curve on the reference surface and an end point of the projected central axis of the light-emitting surface and the length of the projected central axis of the light-emitting surface is 0.2-0.4 .根据权利要求2所述的光学模组，其中，The optical module according to claim 2, wherein,所述入光面在所述参照面上的投影为轴对称图形，The projection of the light incident surface on the reference surface is an axisymmetric figure,定义该轴对称图形的对称轴与所述入光面在所述参照面上的投影的交点为入光面投影中轴线段，Define the intersection of the symmetry axis of the axisymmetric figure and the projection of the incident plane on the reference plane as the central axis segment of the projection of the incident plane,所述入光面投影中轴线段的中点与所述出光面投影中轴线的中点相离。The midpoint of the projected central axis section of the light incident surface is separated from the midpoint of the projected central axis of the light exit surface.根据权利要求2所述的光学模组，其中，The optical module according to claim 2, wherein,所述入光面为球冠或椭球冠或偏心球面；和/或，The light incident surface is a spherical cap or an ellipsoidal cap or an eccentric spherical surface; and/or,所述入光面与所述第一纵向截面的交线为一弧线。The intersection line of the light incident surface and the first longitudinal section is an arc.根据权利要求2所述的光学模组，其中，The optical module according to claim 2, wherein,所述入光面在所述参照面上的投影的面积小于所述出光面在所述参照面上的投影面积。The projected area of the light incident surface on the reference surface is smaller than the projected area of the light exit surface on the reference surface.根据权利要求2所述的光学模组，其中，The optical module according to claim 2, wherein,所述入光面在所述参照面上的投影的部分或全部位于所述出光面在所述参照面上的投影内。Part or all of the projection of the light incident surface on the reference surface is located within the projection of the light exit surface on the reference surface.根据权利要求1所述的光学模组，其中，还包括The optical module of claim 1, further comprising连接平台，连接至所述偏光透镜的边缘处。The connecting platform is connected to the edge of the polarizing lens.根据权利要求8所述的光学模组，其中，The optical module according to claim 8, wherein,所述偏光透镜与所述连接平台为一体化结构。The polarized lens and the connection platform are an integrated structure.根据权利要求2所述的光学模组，其中，The optical module according to claim 2, wherein,定义垂直于所述参照面的平面且垂直于所述第一纵向截面的平面为第二纵向截面；defining a plane perpendicular to the reference plane and a plane perpendicular to the first longitudinal section as a second longitudinal section;所述出光面与所述第二纵向截面的交线为半圆形或弓形。The intersection line of the light emitting surface and the second longitudinal section is semicircular or arcuate.一种照明装置，其中，包括如权利要求1-10中任一项所述的至少一光学模组。A lighting device, comprising at least one optical module according to any one of claims 1-10.根据权利要求11所述的照明装置，其中，包括The lighting device of claim 11, comprising基板，所述光学模组被安装至所述基板，所述光学模组的入光面与所述基板围成一腔体；所述基板的平面与所述凹槽的槽口所处平面相平行。a substrate, the optical module is mounted on the substrate, the light incident surface of the optical module and the substrate enclose a cavity; the plane of the substrate is the same as the plane where the notch of the groove is located parallel.根据权利要求12所述的照明装置，其中，包括The lighting device of claim 12, comprising发光单元，设于所述腔体内，且安装至所述基板。The light-emitting unit is arranged in the cavity and mounted on the substrate.根据权利要求13所述的照明装置，其中，The lighting device of claim 13, wherein,所述发光单元中心点与入光面投影中轴线段的一端点的距离，与所述入光面投影中轴线段的长度的比值为0.2-0.5。The ratio of the distance between the center point of the light-emitting unit and an end point of the projected central axis segment of the light incident surface to the length of the projected central axis segment of the light incident surface is 0.2-0.5.根据权利要求13所述的照明装置，其中，The lighting device of claim 13, wherein,所述发光单元位于所述入光面在所述参照面上的投影的对称轴上。The light emitting unit is located on the symmetry axis of the projection of the light incident surface on the reference surface.根据权利要求15所述的照明装置，其中，The lighting device of claim 15, wherein,所述发光单元在所述基板上具有第一位置和第二位置，所述发光单元在所述第一位置时所述偏光透镜的配光角度小于所述发光单元在所述第二位置时所述偏光透镜的配光角度。The light-emitting unit has a first position and a second position on the substrate. When the light-emitting unit is at the first position, the light distribution angle of the polarizing lens is smaller than that when the light-emitting unit is at the second position. The light distribution angle of the polarized lens.

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