CN106500013B - Floodlight Lenses, Lighting Modules, and Floodlights - Google Patents

Floodlight Lenses, Lighting Modules, and Floodlights Download PDF

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Publication number
CN106500013B
CN106500013B CN201611256550.5A CN201611256550A CN106500013B CN 106500013 B CN106500013 B CN 106500013B CN 201611256550 A CN201611256550 A CN 201611256550A CN 106500013 B CN106500013 B CN 106500013B
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Prior art keywords
light
lens
base
light source
square
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CN106500013A (en
Inventor
陈星星
罗晓伟
张航
徐银辉
陆建东
仇旻
符建
李强
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Zhejiang Guangcone Technology Co Ltd
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Hangzhou Light Cone Technology Co ltd
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Priority to CN201910178020.0A priority Critical patent/CN109945133A/en
Priority to CN201611256550.5A priority patent/CN106500013B/en
Priority to CN201910175564.1A priority patent/CN109708075A/en
Priority to CN201910178118.6A priority patent/CN109915765A/en
Publication of CN106500013A publication Critical patent/CN106500013A/en
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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
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/0015—Fastening arrangements intended to retain light sources
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/048—Refractors for light sources of lens shape the lens being a simple lens adapted to cooperate with a point-like source for emitting mainly in one direction and having an axis coincident with the main light transmission direction, e.g. convergent or divergent lenses, plano-concave or plano-convex lenses

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

Abstract

The invention discloses a projection lamp lens, a light-emitting module and a projection lamp, wherein the projection lamp lens comprises a base and a lens main body arranged on the base; the lens body comprises an inner surface for receiving light rays and an outer surface which covers the outer part of the inner surface and is used for emitting the light rays; the positive projection of the outer surface is square, and the light received by the inner surface is refracted by the outer surface to form a square light spot on the opposite plane; the light-emitting surface of the outer surface is formed by splicing optical curves with equal-angle sections, and the distance from a boundary point of a light spot formed by emergent light on the outer surface to the center point of the light spot is taken as an energy distribution standard by the sections; the forward projection of base is fillet square, and the lens main part is connected to the one end of base, and the other end is provided with the installation component of connecting external installation mechanism. According to the projection lamp lens, the light emitting module and the projection lamp, the emergent light spot is a square light spot, the illumination uniformity is more than 0.85, and the projection lamp lens, the light emitting module and the projection lamp are stable and simple in structure and convenient to install.

Description

Projecting Lamp lens, light emitting module and Projecting Lamp
Technical field
The present invention relates to optical technical field, in particular to a kind of Projecting Lamp lens, light emitting module and Projecting Lamp.
Background technique
Projecting Lamp instigate the projecting environment of illumination on face to be illuminated lamps and lanterns.In general, it can aim at any direction, And have the structure that not climate condition influences, be now widely used for large area operation field mine, contour of building, stadium, Viaduct, monument, park and flower bed etc..Therefore, the large area lighting lamps and lanterns of nearly all outdoor application can all regard light projector as Lamp.
Ordinary light source face wall can obtain the dark circular light spot of the bright surrounding in centre, if it is desired to obtain one uniformly Square focus spot, it is necessary to effective secondary light-distribution is carried out to light source, i.e. design light lens or reflector.Traditional design method It is to carry out simple light distribution by adding prismatic table shape decorative panel in light source surrounding, form square focus spot.What this design method was formed Light spot illumination is unevenly distributed, and obscure boundary is clear, is difficult to realize in satisfactory light distribution, especially cast lighting, real The high square focus spot of the existing uniformity is always this field letter problem to be solved.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of Projecting Lamp lens, with the Projecting Lamp lens Optical module and Projecting Lamp can be realized high uniform square hot spot.
Projecting Lamp lens provided by the invention, the lens body including pedestal and setting on the base；
The lens body includes the inner surface for receiving light, and covers on the outside of the inner surface for being emitted The outer surface of light；
The forward projection of the outer surface is square, and the received light of inner surface is after the outer surface reflects in face Plane on formed a square focus spot；
The light-emitting surface of the outer surface is spliced by the optical curve in angularly section, and the section is with the outer surface Emergent light formed hot spot boundary point to hot spot central point distance as energy allocation criterion；
One end of the rounded square of the forward projection of the pedestal, the pedestal connects the lens body, the other end It is provided with the mounting assembly for connecting external installing mechanism.
As an embodiment, the optical curve meets following equation:
Wherein, ro is θ=θminWhen lens value, θ is the angle of incident ray Yu light source center light direction, θminBe into The minimum angle of light Yu light source center light direction is penetrated, γ (θ) is the angle of emergent ray Yu light source center light direction, n It is the refractive index of lens.
As an embodiment, the outer surface includes first surface interconnected and the second curved surface；
The first surface is the light-emitting surface of the outer surface；
Second curved surface is diffusing reflection curved surface, is vertically arranged in the periphery of the first surface, connects the pedestal.
As an embodiment, the inner surface is using light source center as the hemisphere face of the centre of sphere.
As an embodiment, the cavity for accommodating light source is formed between the inner surface and the pedestal.
As an embodiment, the pedestal includes mounting plate and the boss on the mounting plate；
The boss is in hollow rounded square body structure；
The mounting plate, rounded cube structure, the mounting assembly are arranged on the mounting plate.
As an embodiment, the surfacing of the boss and the mounting plate is by frosted treated material Material.
Light emitting module provided by the invention, including light source and above-mentioned Projecting Lamp lens；
On the base, the light that the light source issues is received through the inner surface of the lens body for the light source setting Afterwards, launched by the outer surface of the lens body.
Projecting Lamp provided by the invention, including the array being made of multiple light emitting modules.
The beneficial effect of the present invention compared with the prior art is:
Projecting Lamp lens provided by the invention are integrally formed by pedestal and with pedestal and are arranged on the base Lens body is realized.Wherein, the forward projection of the outer surface of lens body is square, and the received light of inner surface is reflected through outer surface A square focus spot is formed in the plane of face afterwards；On this basis, light-emitting surface is set by angularly section by outer surface Optical curve be spliced, the distance of the central point of the boundary point of the hot spot that section is formed with outer surface emergent light to hot spot is made For energy allocation criterion, so that the uniform-illumination in each section.Pedestal is by using double-layer structure, shape and lens master The shape of body is adapted, the rounded square of forward projection, does not on the one hand influence the formation of square focus spot, on the other hand convenient The installation of lens body is fixed.
The emergent light spot of Projecting Lamp lens provided by the invention, light emitting module and Projecting Lamp is meeting square focus spot boundary Under the requirement of shape, 0.85 or more uniformity of illuminance can be realized, and stable structure, simple, be easily installed.
Detailed description of the invention
Fig. 1 is the schematic perspective view for the Projecting Lamp lens that the embodiment of the present invention one provides；
Fig. 2 is the schematic perspective view of Projecting Lamp lens provided by Embodiment 2 of the present invention；
Fig. 3 is another schematic perspective view of Projecting Lamp lens shown in FIG. 1；
Fig. 4 is the another schematic perspective view of Projecting Lamp lens shown in FIG. 1；
Fig. 5 is the Illumination Distribution figure for the light emitting module that the embodiment of the present invention three provides；
Fig. 6 is the surface of intensity distribution of two sections of the light emitting module that the embodiment of the present invention three provides；
Fig. 7 is the mounting structure schematic diagram for the Projecting Lamp that the embodiment of the present invention four provides.
Specific embodiment
Below in conjunction with attached drawing, the technical characteristic and advantage above-mentioned and other to the present invention are clearly and completely described, Obviously, described embodiment is only section Example of the invention, rather than whole embodiments.
The Projecting Lamp lens that the embodiment of the present invention one provides referring to FIG. 1 to FIG. 4, including pedestal and setting are in pedestal On lens body.
Wherein, pedestal and lens body are integrally formed, stable structure.Lens body includes the inner surface for receiving light (not shown), and cover on outer surface of the outside for emergent ray of inner surface.Inner surface is using light source center as the centre of sphere Hemisphere face is mainly used for forming the cavity for accommodating light source between pedestal, to receive the energy of light source sending.As shown in Figure 1, outer Surface includes first surface 100 interconnected and the second curved surface 200, and first surface 100 is the light-emitting surface of outer surface, and second is bent Face 200 is diffusing reflection curved surface, is vertically arranged in the periphery of first surface 100, connects pedestal.The forward projection of pedestal is rounded just Rectangular, one end of pedestal connects lens body, and the other end is provided with the mounting assembly for connecting external installing mechanism.
Specifically, the forward projection of outer surface is square, and the received light of inner surface is after outer surface reflects in the flat of face A square focus spot is formed on face, the light-emitting surface (i.e. first surface 100) of outer surface is spliced by the optical curve in angularly section It forms, the distance of the central point of the boundary point of the hot spot that section is formed using outer surface emergent light to hot spot is distributed as energy to be marked Standard realizes that uniform-illumination distributes with this.
Above-mentioned optical curve meets following equation:
Wherein, ro is θ=θminWhen lens value, θ is the angle of incident ray Yu light source center light direction, θminBe into The minimum angle of light Yu light source center light direction is penetrated, γ (θ) is the angle of emergent ray Yu light source center light direction, n It is the refractive index of lens.The solution smooth curve connection found out using above-mentioned formula just can obtain the optical curve in corresponding section. Finally each angularly section is spliced, a smooth surface, i.e. first surface 100 can be obtained.
As an embodiment, as shown in Fig. 2, Projecting Lamp lens provided by Embodiment 2 of the present invention, first is bent Face 100 is divided into 4 equal angular sections, respectively 110,120,130,140, and the optical curve in each section can pass through Above-mentioned formula acquires.First surface 100 can also be divided into multiple equal angular sections such as 6,8, by with hot spot Boundary point to origin distance as each optical cross section to be gone realize uniform illumination region, with hot spot boundary point and hot spot Center origin is apart from the maximum standard for being worth and distributing as each section energy, so that it may determine the brightness value of whole target face. By solving optical curve corresponding to each section, by the curve matching in each section at the curved surface of a whole smooth, i.e., It can be achieved and set rectangular high evenness hot spot.
Since the structure of lens body provided by the invention is there are certain particularity, it is difficult to encounter and complete, its structure The installation base plate matched, so being not easy to directly be installed；Moreover, once installing not in place, phenomena such as being easy to appear light leakage, shadow Ring the shape and uniformity of illuminance of emergent light spot.
To overcome problem above, as shown in Fig. 1, Fig. 3 and Fig. 4, pedestal provided by the invention and lens body one at Type, pedestal include mounting plate 400 and the boss 300 on mounting plate 400.Boss 300 is setting in lens body and peace An excessive structural between loading board, shape is corresponding with the shape of the interface of lens body, is in hollow rounded square body knot Structure is mainly used for docking the second curved surface 200.
The rounded cube structure of mounting plate 400 is mainly used for docking outer mounting structure, and bottom has for fixing 2 cylindrical foots.
Pedestal and lens body are integrally formed, this structure setting, so that being easy between pedestal and outer mounting structure Realize abutting joint, it is easy to operate, and the shape and uniformity of illuminance of emergent light spot are not influenced.
Further, the surfacing of the second curved surface 200, boss 300 and mounting plate 400 is by frosted treated material Material, further increases whole illuminance uniformity.
Based on the same inventive concept, the embodiment of the present invention three also provides a kind of light emitting module, including light source and above-mentioned reality Apply the Projecting Lamp lens in example.Light source can be LED light, be also possible to other point light sources.The light that light source issues is through lens body Inner surface receive after, launched by the outer surface of lens body, form the square focus spot of uniform-illumination, the illumination point of hot spot Cloth and light distribution are as shown in Figure 5 and Figure 6.
Based on the same inventive concept, referring to Fig. 7, the embodiment of the present invention four also provides a kind of Projecting Lamp, including by multiple State the array of light emitting module composition.When installation, only the pedestal of each Projecting Lamp lens need to be fixed to corresponding position can shape At array, large area lighting may be implemented, especially suitable for outdoor lightings such as advertisements.
The emergent light spot of Projecting Lamp lens provided by the invention, light emitting module and Projecting Lamp is meeting square focus spot boundary Under the requirement of shape, 0.85 or more uniformity of illuminance can be realized, and stable structure, simple, be easily installed.
Particular embodiments described above has carried out further the purpose of the present invention, technical scheme and beneficial effects It is described in detail, it should be understood that the above is only a specific embodiment of the present invention, the protection being not intended to limit the present invention Range.It particularly points out, to those skilled in the art, all within the spirits and principles of the present invention, that is done any repairs Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (8)

1.一种投光灯透镜，其特征在于，包括底座以及设置在所述底座上的透镜主体；1. A lens for floodlights, comprising a base and a lens main body arranged on the base; 所述透镜主体包括用于接收光线的内表面，以及罩在所述内表面的外部用于出射光线的外表面；the lens body includes an inner surface for receiving light, and an outer surface covering the outside of the inner surface for emitting light; 所述外表面的正向投影呈方形，所述内表面接收的光经所述外表面折射后在正对的平面上形成一个方形光斑；The forward projection of the outer surface is square, and the light received by the inner surface is refracted by the outer surface to form a square light spot on the opposite plane; 所述外表面的出光面由等角度截面的光学曲线拼接而成，所述截面以所述外表面出射光形成的光斑的边界点到光斑的中心点的距离作为能量分配标准；The light-emitting surface of the outer surface is formed by splicing optical curves of equal-angle cross-sections, and the cross-section takes the distance from the boundary point of the light spot formed by the light emitted from the outer surface to the center point of the light spot as the energy distribution standard; 所述底座的正向投影呈圆角正方形，所述底座的一端连接所述透镜主体，另一端设置有连接外部安装机构的安装组件；The forward projection of the base is a square with rounded corners, one end of the base is connected to the lens body, and the other end is provided with an installation component connected to an external installation mechanism; 所述光学曲线满足以下方程：The optical curve satisfies the following equation: 其中，ro是θ＝θmin时透镜的值，θ是入射光线与光源中心出光方向的夹角，θmin是入射光线与光源中心出光方向的最小夹角，γ(θ)是出射光线与光源中心出光方向的夹角，n是透镜的折射率。 Among them, ro is the value of the lens when θ=θ min , θ is the angle between the incident light ray and the central light exit direction of the light source, θ min is the minimum angle between the incident light ray and the central light exit direction of the light source, and γ(θ) is the outgoing light ray and the light source. The angle between the central light-emitting direction, n is the refractive index of the lens. 2.根据权利要求1所述的投光灯透镜，其特征在于，所述外表面包括相互连接的第一曲面和第二曲面；2. The floodlight lens of claim 1, wherein the outer surface comprises a first curved surface and a second curved surface that are connected to each other; 所述第一曲面为所述外表面的出光面；the first curved surface is the light emitting surface of the outer surface; 所述第二曲面，为漫反射曲面，竖直设置在所述第一曲面的外围，连接所述底座。The second curved surface is a diffuse reflection curved surface, is vertically arranged on the periphery of the first curved surface, and is connected to the base. 3.根据权利要求1所述的投光灯透镜，其特征在于，所述内表面为以光源中心为球心的半球面。3 . The lens of claim 1 , wherein the inner surface is a hemispherical surface with the center of the light source as the center of the sphere. 4 . 4.根据权利要求1所述的投光灯透镜，其特征在于，所述内表面和所述底座之间形成用于容纳光源的空腔。4. The floodlight lens of claim 1, wherein a cavity for accommodating a light source is formed between the inner surface and the base. 5.根据权利要求2至4任一项所述的投光灯透镜，其特征在于，所述底座包括安装板以及位于所述安装板上的凸台；5. The floodlight lens according to any one of claims 2 to 4, wherein the base comprises a mounting plate and a boss located on the mounting plate; 所述凸台，呈中空圆角正方体结构；The boss is in the form of a hollow rounded cube structure; 所述安装板，呈圆角正方体结构，所述安装组件设置在所述安装板上。The mounting plate has a rounded cube structure, and the mounting assembly is arranged on the mounting plate. 6.根据权利要求5所述的投光灯透镜，其特征在于，所述凸台和所述安装板的表面材料为经过磨砂处理后的材料。6 . The floodlight lens according to claim 5 , wherein the surface material of the boss and the mounting plate is a material that has been frosted. 7 . 7.一种发光模块，其特征在于，包括光源以及权利要求1-6中任一项所述的投光灯透镜；7. A light-emitting module, characterized in that it comprises a light source and the floodlight lens according to any one of claims 1-6; 所述光源设置在所述底座上，所述光源发出的光经所述透镜主体的内表面接收后，由所述透镜主体的外表面发射出去。The light source is arranged on the base, and the light emitted by the light source is received by the inner surface of the lens body and then emitted from the outer surface of the lens body. 8.一种投光灯，其特征在于，包括阵列；8. A floodlight comprising an array; 所述阵列由多个权利要求7 所述的发光模块组成。The array is composed of a plurality of the light emitting modules of claim 7 .
CN201611256550.5A 2016-12-30 2016-12-30 Floodlight Lenses, Lighting Modules, and Floodlights Active CN106500013B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201910178020.0A CN109945133A (en) 2016-12-30 2016-12-30 Projecting Lamp lens, light emitting module and Projecting Lamp
CN201611256550.5A CN106500013B (en) 2016-12-30 2016-12-30 Floodlight Lenses, Lighting Modules, and Floodlights
CN201910175564.1A CN109708075A (en) 2016-12-30 2016-12-30 Projecting Lamp lens, light emitting module and Projecting Lamp
CN201910178118.6A CN109915765A (en) 2016-12-30 2016-12-30 Projecting Lamp lens, light emitting module and Projecting Lamp

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Application Number Priority Date Filing Date Title
CN201611256550.5A CN106500013B (en) 2016-12-30 2016-12-30 Floodlight Lenses, Lighting Modules, and Floodlights

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CN201910178118.6A Division CN109915765A (en) 2016-12-30 2016-12-30 Projecting Lamp lens, light emitting module and Projecting Lamp
CN201910178020.0A Division CN109945133A (en) 2016-12-30 2016-12-30 Projecting Lamp lens, light emitting module and Projecting Lamp

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CN106500013B true CN106500013B (en) 2019-04-19

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CN201611256550.5A Active CN106500013B (en) 2016-12-30 2016-12-30 Floodlight Lenses, Lighting Modules, and Floodlights
CN201910178020.0A Pending CN109945133A (en) 2016-12-30 2016-12-30 Projecting Lamp lens, light emitting module and Projecting Lamp
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