CN218599587U

CN218599587U - Convex lens structure with microstructure for adjusting glare index value

Info

Publication number: CN218599587U
Application number: CN202223328699.3U
Authority: CN
Inventors: 刘党军; 吴浩; 倪明
Original assignee: Guangdong Phoenix Zhujia Lighting Technology Co ltd
Current assignee: Guangdong Phoenix Zhujia Lighting Technology Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-03-10
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a convex lens structure of micro-structure adjustment glare index value, including integrated into one piece's convex lens body, the bottom of convex lens body forms the recess, and the both sides of recess are strip lacing wire, and the one end that lies in the recess on the convex lens body relatively is equipped with the light collecting surface, and the light collecting surface is the arc setting, is equipped with a plurality of astigmatic micro-protrusions that array was arranged on the light collecting surface. The convex lens structure integrally forms and manufactures the strip-shaped convex lens, a groove for accommodating and installing a lamp strip or a lamp strip is formed at the bottom of the convex lens body, the multi-angle below the light collecting surface is set to be transparent and light-permeable, and light is collected through the integral strip-shaped convex lens body, so that the light efficiency can be better improved; then carry out even astigmatism and intensive giving off through a plurality of astigmatism microprotrusions on light collecting face and the light collecting face on the convex lens body, effectively avoid the glare, be applicable to very much that the user naked eye is direct-view, be favorable to that user's glasses are healthy, this utility model is used for optical lens structure technical field.

Description

Convex lens structure with micro-structure for adjusting glare index value

Technical Field

The utility model belongs to the technical field of the optical lens structure, more specifically, relate to a convex lens structure of micro-structure adjustment glare index value.

Background

In indoor environmental lighting, the lamp is required to meet functional lighting and simultaneously has the functional characteristics of anti-glare, high lighting efficiency, comfort and the like. In general, glare is represented by a value of the unified glare index (UGR). With the continuous progress and development of society, people pay more and more attention to the comfort of indoor ambient lighting everyday. While the lighting comfort relates to the minimum lighting level and to the degree of glare and interference to humans by the light emitting parts of the lighting device. The general glare index value of the common side-emitting product is about 22, while the national standard of the educational lighting product is less than 19, and the UGR index needs to be adjusted to be less than 16 in order to reach higher standard.

Most of LED lamps in the market use 10CM long injection lens at present, its shortcoming is that the product size is too short, length is limited, be not suitable for the product that the production size exceeds 0.5m long, and this kind of lens surface does not carry out UGR value and prevents dazzling design processing, and glare index value can not reach the requirement that educational illumination is less than 19, so most of LED lamps in the market adopt multisection injection lens to link together and use, this kind of mode shortcoming has the gap before lens and the lens, and is pleasing to the eye, and the price is expensive and glare index value is higher than 19 simultaneously, is unfavorable for people's eye health.

In addition, the current plastic extruding lens structure on the market is a single convex lens, the light collection efficiency is low, the light emission is uneven, a large amount of stray light exists, and the lighting lamp using the lens cannot prevent glare directly and cannot be seen directly, so that the health of eyes of people is not facilitated.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a convex lens structure with a microstructure adjusted glare index value, which can effectively avoid glare while improving light efficiency.

According to the utility model discloses an embodiment of the first aspect provides a convex lens structure of micro-structure adjustment glare index value, convex lens body including integrated into one piece, the bottom of convex lens body forms the recess that is used for holding lamp area or lamp strip, the both sides of recess are the edge the strip lacing wire of the length setting of convex lens body, lie in on the convex lens body the relative one end of recess is equipped with the light collection face, the cross-section on light collection face is the arc setting, be equipped with a plurality of astigmatic microprotrusions of array of arranging on the light collection face.

According to the utility model discloses the embodiment of the first aspect convex lens structure of micro-structure adjustment glare index value, the convex lens body is through integrative injection moulding.

According to the utility model discloses the embodiment of the first aspect convex lens structure of micro-structure adjustment glare index value, be located on the convex lens body the both sides of light-collecting surface are equipped with the spacing sand grip that the symmetry set up.

According to the utility model discloses the first aspect embodiment convex lens structure of micro-structure adjustment glare index value, the both sides of light-collecting surface are the echelonment shrink, the upper portion of spacing sand grip pass through the spacing face of arc connect in the below of light-collecting surface.

According to the utility model discloses the embodiment of the first aspect convex lens structure of micro-structure adjustment glare index value, light-collecting surface, recess and both sides spacing sand grip is the symmetry setting each other.

According to the utility model discloses the convex lens structure of micro-structure adjustment glare index value, both sides the lower part of spacing sand grip with connect through arc transition face between the bar type lacing wire.

According to the utility model discloses the first aspect embodiment convex lens structure of micro-structure adjustment glare index value, recess, arc transition face with the surface of spacing sand grip is direct non-light tight transparent surface.

According to the utility model discloses the convex lens structure of micro-structure adjustment glare index value, the little bellied bottom surface of astigmatism is circular or polygon shape, the little bellied top of astigmatism be with the arc limit of bottom surface or a plurality of arcwall faces of each bottom surface arc transitional coupling.

According to the utility model discloses the convex lens structure of micro-structure adjustment glare index value, each the protruding bottom surface maximum width scope of astigmatism microburst is 70 to 1000um.

The utility model discloses a technical scheme has following advantage or one of beneficial effect at least among the above-mentioned technical scheme:

the convex lens structure with the microstructure for adjusting the glare index value is characterized in that a strip-shaped convex lens is integrally formed, a groove for accommodating a lamp strip or a lamp strip is formed at the bottom of a convex lens body, the groove is transparent and light-permeable at multiple angles below a light collecting surface, light is collected through the integral strip-shaped convex lens body, and the light effect can be better improved; then, uniform astigmatism and intensive dispersion are carried out through the light collecting surface on the convex lens body and the plurality of astigmatism micro-protrusions on the light collecting surface, glare is effectively avoided, the glasses are very suitable for users to directly look at with naked eyes, and the glasses health of the users is facilitated.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic view of the overall structure of a convex lens structure in an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of a convex lens structure in an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.

The following disclosure provides many different embodiments or examples for implementing different aspects of the invention.

Referring to fig. 1 to 2, a convex lens structure for adjusting a glare index value by using a microstructure is provided, which includes an integrally formed convex lens body 100, a groove 110 for accommodating a light strip or a light bar is formed at the bottom of the convex lens body 100, both sides of the groove 110 are strip-shaped tie bars 120 arranged along the length of the convex lens body 100, a light collecting surface 130 is arranged at an end of the convex lens body 100 opposite to the groove 110, the cross section of the light collecting surface 130 is arc-shaped, and a plurality of light scattering micro-protrusions 131 arranged in an array manner are arranged on the light collecting surface 130.

In some embodiments of the present invention, the convex lens body 100 is formed by integral injection molding.

In some embodiments of the present invention, the two sides of the convex lens body 100 on the light collecting surface 130 are provided with symmetrically disposed limiting convex strips 140.

In some embodiments of the present invention, the two sides of the light collecting surface 130 are contracted in a step shape, and the upper portion of the limiting convex strip 140 is connected below the light collecting surface 130 through the arc-shaped limiting surface 141.

In some embodiments of the present invention, the light collecting surface 130, the groove 110 and the two side limiting protruding strips 140 are symmetrically disposed.

In some embodiments of the present invention, the lower portion of the two side-limiting protruding strips 140 is connected to the strip-shaped tie bar 120 through the arc-shaped transition surface 150.

In some embodiments of the present invention, the outer surfaces of the groove 110, the arc-shaped transition surface 150 and the limiting convex strip 140 are transparent surfaces which can directly transmit light.

In some embodiments of the present invention, the bottom surface of the astigmatic micro-protrusion 131 is circular or polygonal, and the top of the astigmatic micro-protrusion 131 is a plurality of arc surfaces connected to the arc edge of the bottom surface or the arc transition of each bottom surface.

In some embodiments of the present invention, the maximum width of the bottom surface of each astigmatic micro-protrusion 131 ranges from 70 to 1000um.

The convex lens structure with the microstructure adjusting glare index value integrally forms and manufactures the strip-shaped convex lens, a groove 110 for accommodating and mounting a lamp strip or a lamp strip is formed at the bottom of the convex lens body 100, the multiple angles below the light collecting surface 130 are set to be transparent and light-permeable, light is collected through the integral strip-shaped convex lens body 100, and the light efficiency can be improved well; then, uniform astigmatism and intensive dispersion are carried out through the light collecting surface 130 on the convex lens body 100 and the plurality of astigmatism micro-protrusions 131 on the light collecting surface 130, glare is effectively avoided, the glasses are very suitable for users to look directly with naked eyes, and the glasses health of the users is facilitated.

The convex lens body 100 is integrally formed by injection molding, and when the convex lens body is used for a strip-shaped lamp used in hidden places such as a cabinet body, the convex lens body can be conveniently integrally formed by injection molding and processed into a strip-shaped convex lens with the length not less than 50cm, so that the condition that a shadow is generated between disconnected convex lens bodies 100 is effectively avoided. The lamp strip or the lamp strip of the LED lamp is arranged in the groove 110 on the convex lens body 100, and the limiting convex strips 140 arranged on the two sides of the convex lens body 100 are used for positioning and mounting on the two sides when the LED lamp is mounted in the groove-shaped section.

The optical grade strip-shaped plastic convex lens with the microstructure for adjusting the glare index value, which is processed by injection molding, has a single section, can reach 1.1 to 1.5 meters or even longer, has the length depending on the size of a mold and the size of an injection molding machine, is integrally molded, has no gap and low cost, and can produce LED lamp products with the length exceeding 0.5 meter.

The convex lens body 100 comprises a strip-shaped transparent lens and a light collecting surface 130 provided with a plurality of regularly-shaped light scattering micro-protrusions 131, the light collecting surface 130 of the strip-shaped transparent lens and the regularly-shaped light scattering micro-protrusions 131 is made of high-transparency plastic materials, the light collecting surface 130 at the top of the convex lens body 100 is uniform and regularly-shaped light scattering micro-protrusions 131, the light collecting surface 130 is designed to be arrayed on an outer convex arc surface of the convex lens body 100 in an array mode, and the regularly-shaped light collecting surface 130 and the strip-shaped lens are integrally formed.

The bottom surface of the light scattering micro-protrusion 131 is in a regular shape such as a circle, a triangle, a quadrangle, a pentagon, a hexagon or other polygons; through assembling bar lens in the illumination lamps and lanterns, light passes through this lens to propagate and the light-emitting is lighted, light passes through light collecting surface 130 of the optical microstructure on this lens to propagate and realizes accuse light, have the light-emitting even with reduce the excellent effect of the UGR value of illumination, for not carrying out the LED lighting apparatus that accuse light to light, can enough reduce the UGR value of illumination, reduce the dazzling influence of illumination light pair people's eyes, when being favorable to protecting eyes healthy, can keep light-emitting efficiency again, can also effectively restrain high angle light, control dizzy light value.

The light beam angle of the average angle can definitely define the illumination range, so that the lighting effect of the lamp can be improved in an auxiliary manner, and the brightness of the lamp can be reasonably restrained; therefore, the lighting effect of the LED lamp is improved, the light scattering is reduced, the glare is avoided, the distance, the area and the light spot effect of the light are greatly increased, and the visual fatigue and the light pollution of people can not be caused while the light field environment of a certain space is changed.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The convex lens structure is characterized by comprising an integrally formed convex lens body, wherein a groove used for containing a lamp strip or a lamp strip is formed in the bottom of the convex lens body, strip-shaped tie bars are arranged on two sides of the groove along the length of the convex lens body, a light collecting surface is arranged at one end, opposite to the groove, of the convex lens body, the cross section of the light collecting surface is arranged in an arc shape, and a plurality of light scattering micro-protrusions which are arranged in an array mode are arranged on the light collecting surface.

2. The convex lens structure for adjusting glare index value according to claim 1, wherein: the convex lens body is formed by integral injection molding.

3. The convex lens structure with the microstructure for adjusting glare index value according to claim 1, wherein: the convex lens body is provided with limiting convex strips which are symmetrically arranged on two sides of the light collecting surface.

4. The convex lens structure with the microstructure of claim 3, wherein: the two sides of the light collecting surface shrink in a ladder shape, and the upper part of the limiting convex strip is connected below the light collecting surface through an arc-shaped limiting surface.

5. The convex lens structure with microstructure adjusting glare index value of claim 4, wherein: the light collecting surface, the groove and the limiting convex strips on the two sides are symmetrically arranged.

6. The convex lens structure with the microstructure of claim 5, wherein: the lower parts of the limiting convex strips on the two sides are connected with the strip-shaped lacing wires through arc-shaped transition surfaces.

7. The convex lens structure for adjusting glare index value according to claim 6, wherein: the outer surfaces of the grooves, the arc-shaped transition surfaces and the limiting convex strips are transparent surfaces capable of directly transmitting light.

8. The convex lens structure for adjusting glare index value according to any of claims 1 to 7, wherein: the bottom surface of the light scattering micro-protrusion is circular or polygonal, and the top of the light scattering micro-protrusion is a plurality of arc surfaces in arc transition connection with the arc edges of the bottom surface or the bottom surfaces.

9. The lenticular structure of claim 8, wherein: the maximum width range of the bottom surface of each light scattering micro-bump is 70-1000 um.