CN215892248U

CN215892248U - Novel anti-dazzle lens

Info

Publication number: CN215892248U
Application number: CN202122036687.2U
Authority: CN
Inventors: 周指南; 周礼华; 余洋; 李时林; 杨光
Original assignee: Shenzhen MTC Co Ltd
Current assignee: Shenzhen MTC Co Ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-22
Anticipated expiration: 2031-08-26

Abstract

The utility model relates to the technical field of optical lenses and aims to solve the problems in the prior art, and provides a novel anti-dazzle lens which comprises a bowl-shaped lens body, wherein the inner side surface of the lens body is provided with a plurality of stages of annular steps, the outer side surface of the lens body is a reflecting surface used for reflecting light, the inner bottom of the lens body is an arc convex surface, a honeycomb light guide unit is arranged on the inner bottom, the outer bottom of the lens body is a convex curved surface, and a light inlet groove used for placing a light source is formed between the lower end surface of the lens body and the outer bottom. By adopting the lens body, the anti-dazzle microstructures such as the multi-level annular steps and the cellular light guide unit are fused, the light control of the LED light source enables the light intensity space distribution to have the redistribution effect, and the combined action plays the anti-dazzle and uniform irradiation optical effects. The anti-dazzle is realized only by using the lens, and components such as a reflecting cup, a prism crystal plate and the like do not need to be electroplated, so that the cost is reduced, the assembly efficiency is improved, and the pollution to the environment is reduced.

Description

Novel anti-dazzle lens

Technical Field

The utility model relates to the technical field of optical lenses, in particular to a novel anti-dazzle lens.

Background

Glare is one of the most important factors influencing lighting quality, some down lamps and spot lamps, and lamps and lanterns need add electric plating reflection of light cup, prismatic crystal board and optical template for realizing anti-dazzle effect, and the traditional anti-dazzle scheme has the problem that the system light efficiency is low, anti-dazzle effect is poor, with high costs and packaging efficiency hangs down. Electroplating reflection of light cup equipment many times, the defective rate is higher, pollutes the environment when electroplating reflection of light cup production simultaneously, can not accomplish real green sustainability.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a novel anti-dazzle lens.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a novel anti-dazzle lens, includes the lens body of bowl form, the medial surface of lens body is provided with multistage annular step, the lateral surface of the body is passed through to the mirror is for the plane of reflection that is used for the reflection light, the inner bottom of lens body is the arc convex surface, cellular leaded light unit has been arranged on the inner bottom, the outer bottom of lens body is the convex curved surface, constitute the income light groove that is used for placing the light source between the lower terminal surface of lens body and the outer bottom. By adopting the lens body, the anti-dazzle microstructures such as the multi-level annular steps and the cellular light guide unit are fused, the light control of the LED light source enables the light intensity space distribution to have the redistribution effect, and the combined action plays the anti-dazzle and uniform irradiation optical effects. The anti-dazzle is realized only by using the lens, and components such as a reflecting cup, a prism crystal plate and the like do not need to be electroplated, so that the cost is reduced, the assembly efficiency is improved, and the pollution to the environment is reduced.

Furthermore, the continuous cylindrical convex surfaces for anti-dazzle are arranged on the outer side surface, a small part of stray light is emitted into the cylindrical convex surfaces, and is subjected to diffuse reflection and total reflection after being mixed by the microstructure convex cylindrical stripe bodies of the cylindrical convex surfaces and then is transmitted to the air, so that the anti-dazzle effect is improved.

Furthermore, a fillet transition surface is arranged between the plane and the vertical surface of the annular step, so that refraction and reflection are further achieved, and the light mixing effect is improved.

Further, the included angle range between the plane and the vertical plane of the annular step is 90 degrees to 120 degrees.

Preferably, the included angle between the plane and the vertical plane of the annular step is 94 degrees.

Furthermore, the included angle range between the lower end face and the inner side face of the light inlet groove is 75 degrees to 90 degrees.

Preferably, the included angle between the lower end face and the inner side face of the light inlet groove is 84 degrees.

Furthermore, the edge of the upper end face of the lens body is provided with a positioning clamping groove, so that the lens is convenient to mount.

Preferably, the lens body is made of polymethyl methacrylate or polycarbonate

The beneficial effects brought by the implementation of the utility model are as follows:

by adopting the lens body, the anti-dazzle microstructures such as the multi-level annular steps and the cellular light guide unit are fused, the light control of the LED light source enables the light intensity space distribution to have the redistribution effect, and the combined action plays the anti-dazzle and uniform irradiation optical effects. The anti-dazzle is realized only by using the lens, and components such as a reflecting cup, a prism crystal plate and the like do not need to be electroplated, so that the cost is reduced, the assembly efficiency is improved, and the pollution to the environment is reduced. In addition, a small part of stray light enters the cylindrical convex surface, is subjected to diffuse reflection and total reflection after being mixed by the microstructure convex cylindrical stripe body of the cylindrical convex surface and is transmitted to the air, and the anti-dazzle effect is improved.

Drawings

FIG. 1 is a first perspective view of a novel anti-glare lens according to an embodiment of the present invention;

FIG. 2 is a second perspective view of the novel anti-glare lens according to an embodiment of the present invention;

FIG. 3 is a cross-sectional structural view of a novel anti-glare lens provided in an embodiment of the present invention;

fig. 4 is an enlarged view of the point M in fig. 3 according to an embodiment of the present invention.

In the figure: a lens body 1; an insole 2; an outsole 3; an upper end surface 4; a lower end face 5; an annular step 6; a positioning clamping groove 7; a light incident groove 8; a rounded transition surface 9; a cylindrical convex surface 10.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 4, a novel anti-dazzle lens, including the lens body 1 of bowl form, medial surface between the up end 4 of lens body 1 and the interior bottom 2 is provided with multistage annular step 6, and the lateral surface of lens body 1 is the plane of reflection for being used for the reflection of light, and the interior bottom 2 of lens body 1 is the arc convex surface, is provided with cellular light guide unit on the interior bottom 2, and the outer sole 3 of lens body 1 is the convex curved surface, constitutes the light incident groove 8 that is used for placing the light source between the lower terminal surface 5 of lens body 1 and the outer sole 3.

The multistage annular steps 6 play anti-dazzle effect, and cellular light guide unit is continuous hexagon pearl face, and every hexagon pearl face constitutes solitary spotlight round platform, and its height is 0.2mm, and cellular light guide unit includes that a plurality of length of side is 1.4 mm's regular hexagon.

The reflective lens and the fusion of multiple anti-dazzle microstructures form the lens to perfectly control the light of the LED light source, so that the light intensity space distribution has the redistribution effect, and the combined action plays the anti-dazzle and uniform irradiation optical effect.

Furthermore, be provided with continuous cylinder convex surface 10 that is used for anti-dazzle on the lens body 1 lateral surface, cylinder convex surface 10 is the strip and distributes.

Further, a fillet transition surface 9 is arranged between the plane and the vertical surface of the annular step 6. An included angle b is formed between the plane and the vertical surface of the annular step 6, and the included angle b ranges from 90 degrees to 120 degrees.

Preferably, the included angle b is 94 degrees.

Furthermore, an included angle a is formed between the lower end surface 5 of the lens body 1 and the inner side surface of the light entering groove 8, and the included angle a ranges from 75 degrees to 90 degrees.

Preferably, the included angle a is 84 degrees.

The edge of the upper end face 4 of the lens body 1 is provided with a positioning clamping groove 7, and installation is convenient.

Preferably, the material of the lens body 1 is polymethyl methacrylate (PMMA) or Polycarbonate (PC) to ensure that the refractive index of the lens body 1 is greater than 1.0, and the lens body can be used for matching light emitting diodes with dimensions of 2835, 3535, 3030, 5630, 5050 and COB.

The working principle is as follows: the light emitting diode is embedded in the light inlet groove 8, light emitted by the light emitting diode enters the lens body 1 through a medium, the medium can be gas, and the lens body 1 changes the angle of incident light and controls the light. Light that emitting diode sent is by outer sole 3, the medial surface refraction of income light groove 8 gets into, cellular leaded light unit on the inner sole 2 lets light spotlight shine lens body 1's lateral surface once more, the free pitch arc spotlight of lateral surface reflects annular step 6 department and fillet transition surface 9 once more, cylinder convex surface 10 is penetrated to the minor part stray light, diffuse reflection and total reflection propagate to the air behind the protruding cylinder striation body mixed light of micro-structure through cylinder convex surface 10, through changing the light angle, make the space light intensity obtain redistributing, realize anti-dazzle optical action from this, and shine the effect evenly, there is no yellow spot.

The lens and various structures are combined into a whole, no dispersing agent or dispersing powder is added, and the lighting effect is greatly improved and the life in an efficient, green, energy-saving and healthy light environment is greatly improved under the action of the anti-dazzle effect of the lamp. Solves the problem that the luminous area of the down lamp and the spot lamp is less than 0.008m²With an anti-dazzle rating UGR of less than 19 and no visible lightAnd (5) difficult problem.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a novel anti-dazzle lens, its characterized in that, includes the lens body of bowl form, the medial surface of lens body is provided with multistage annular step, the lateral surface of lens body is the plane of reflection for being used for reflection light, the inner bottom of lens body is the arc convex surface, cellular leaded light unit has been arranged on the inner bottom, the outer bottom of lens body is the convex curved surface, constitute the income light groove that is used for placing the light source between the lower terminal surface of lens body and the outer bottom.

2. The novel anti-glare lens according to claim 1, wherein the outer side surface is provided with a continuous cylindrical convex surface for anti-glare.

3. The novel anti-dazzle lens of claim 2, wherein a rounded transition surface is arranged between the plane and the vertical surface of the annular step.

4. A novel anti-dazzle lens according to claim 3, wherein the included angle between the plane and the vertical plane of said annular step ranges from 90 degrees to 120 degrees.

5. The novel anti-dazzle lens of claim 4, wherein the included angle between the plane and the vertical plane of the annular step is 94 degrees.

6. The novel anti-dazzle lens according to claim 2, wherein the included angle between the lower end surface and the inner side surface of the light inlet groove ranges from 75 degrees to 90 degrees.

7. The novel anti-dazzle lens of claim 6, wherein the included angle between the lower end surface and the inner side surface of the light inlet groove is 84 degrees.

8. The novel anti-dazzle lens of claim 1, wherein a positioning groove is formed in an edge of an upper end face of the lens body.

9. The novel anti-glare lens according to any one of claims 1 to 8, wherein the lens body is made of polymethyl methacrylate or polycarbonate.