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Light distribution lens and illuminating system adopting same

A light distribution lens and lens technology, applied in the field of lighting systems, can solve the problems of large optical aperture and optical height of the lens structure, difficulty in ensuring lighting effect, weak light control ability, etc., to simplify the structure, ensure the lighting effect of the design, and facilitate the design and the effect produced

Inactive Publication Date: 2016-05-04
CHENGDU HERCULUX OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a lens that can improve the light control ability of the center of the light source, and the optical aperture and optical height of the lens structure are large, resulting in increased material costs and difficult to ensure the lighting effect of the design. Part of the light control ability, reducing the optical aperture and optical height of the lens, thereby reducing the material cost, reducing the difficulty of injection molding and the risk of shrinkage, and ensuring the lens structure of the designed lighting effect

Method used

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  • Light distribution lens and illuminating system adopting same
  • Light distribution lens and illuminating system adopting same
  • Light distribution lens and illuminating system adopting same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Embodiment 1: as figure 1 and 2 as shown,

[0056] A light distribution lens, comprising a lens body 1, the lens body 1 is provided with a light exit area 2 and a central transmission area 3, and an outer ring reflection area 4 is also provided between the light exit area 2 and the central transmission area 3, The lens body 1 is also provided with a central reflection area 5, and the light emitted by the light source enters the lens body 1 from the central transmission area 3. Among the light emitted by the light source, the light in the central part is a small-angle light, and the light in the peripheral part of the light is a large angle. Angle rays, at least a part of small-angle rays enter the lens body 1 and irradiate on the central reflection area 5, then are reflected by the central reflection area 5 to the outer circle reflection area 4, and then are reflected by the outer circle reflection area 4 to The light exit area 2 is refracted out of the lens body 1 by...

Embodiment 2

[0060] Example 2, such as figure 1 and 2 as shown,

[0061] As in the light distribution lens described in Embodiment 1, the central transmission area 3 is divided into a first cavity 6 and a second cavity 7 along the central axis of the lens body 1, and the first cavity 6 is close to the light exit area 2. The second cavity 7 is close to the light source, the second cavity 7 surrounds the first cavity 6, the inner wall of the first cavity 6 is the first incident surface 8, the second The inner wall of the cavity 7 is the second incident surface 9 , the small-angle light is refracted into the lens body 1 from the first incident surface 8 , and the large-angle light is refracted into the lens body 1 from the second incident surface 9 .

[0062] In the above solution of this embodiment, the small-angle light and the large-angle light in the light emitted by the light source are controlled separately, which not only improves the control ability of the small-angle light, but als...

Embodiment 3

[0064] Example 3, such as figure 1 and2 as shown,

[0065] In the light distribution lens described in Embodiment 2, the outer reflective area 4 includes a first reflective area 10 and a second reflective area 11, the first reflective area 10 is close to the central transmissive area 3, and the second reflective area 11 is close to the light output area 2, the first reflection area 10 and the second reflection area form a stepped structure, at least a part of the small-angle light is refracted from the first incident surface 8 into the lens body 1, and then reflected by the central reflection area 5 to The second reflective area 11 is then reflected to the light exit area 2; at least a part of the large-angle light is refracted from the second incident surface 9 into the lens body 1 and then irradiated on the first reflective area 10, and then reflected by the first reflective area 10 to The central reflective area 5 is then reflected by the central reflective area 5 to the s...

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Abstract

The invention relates to the technical field of optical lens, in particular to a light distribution lens which comprises a lens body, wherein a central reflection area is arranged on the lens body; light rays sent by a light source enter the lens body through the central reflection area; at least part of small-angle light rays are projected onto the central reflection area after entering the lens body and reflected into an outer ring reflection area by the central reflection area; the reflected light rays are reflected into a light-out area by the outer ring reflection area and further refracted by the light-out area to come out of the lens body. In the scheme of the invention, light rays of the central part of the light source can be controlled and regulated flexibly through the central reflection area and the outer ring reflection area, so that the light ray controllability of the central part of the light source can be improved; when achieving the same illuminating effect, the light distribution lens has the following advantages compared with the conventional normal lens: the optical aperture and the optical height of the lens are decreased, the material cost and the manufacturing difficulty of the lens are reduced, the injection molding difficulty and the contraction risk are reduced, and the design and illumination effect of the lens is ensured.

Description

technical field [0001] The invention relates to the technical field of optical lenses, in particular to a light distribution lens and an illumination system using the light distribution lens. Background technique [0002] In the field of lighting technology, in order to distribute the light emitted by the light source according to people's needs, it is usually necessary to use various light conversion devices to reflect, refract, gather, or diverge the light, thus changing the propagation path of the light , and finally get a lighting area that meets people's actual needs. [0003] In the current light conversion device, the lens is widely used. The reason is that each side of the lens can be used as a reflection surface for reflecting light or as a refracting surface for refracting light. The relative positions of each side are uniform, which has good reliability and reliability. Consistency, easy processing and simple manufacture. [0004] Due to the advantages of low en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21V5/04F21V7/00F21V23/00F21Y115/10
CPCF21V5/04F21V7/00F21V23/003
Inventor 霍永峰黄金苹
Owner CHENGDU HERCULUX OPTOELECTRONICS TECH CO LTD
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