CN218720782U

CN218720782U - Side income formula desk lamp optical lens that luminous degree of consistency is high from top to bottom

Info

Publication number: CN218720782U
Application number: CN202221065819.2U
Authority: CN
Inventors: 聂轩其; 黄涛
Original assignee: Zhongshan Libiqi Photoelectric Technology Co ltd
Current assignee: Zhongshan Libiqi Photoelectric Technology Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2023-03-24
Anticipated expiration: 2032-05-06

Abstract

The utility model discloses a side-in type desk lamp optical lens with high up-down light-emitting uniformity, which comprises an optical lens and a shell, and is characterized in that the shell is assembled outside the optical lens in a sleeved installation mode; a space is reserved between the inner wall surface of the shell and the optical lens for installing and laying the LED lamp beads; the optical lens comprises an annular reflecting surface, a front light-emitting surface, a rear light-emitting surface and a light-in surface, wherein microstructures are designed and formed on the front light-emitting surface and the rear light-emitting surface, and the annular reflecting surface is designed into an adjustable optical curved surface. The utility model discloses an annular reflecting surface becomes adjustable optics curved surface through design and shaping play pyramid structure or rhombus structure to guarantee that the illuminance and the illuminance degree of consistency on positive play plain noodles reach national AA standard, optical lens's positive play plain noodles and back play plain noodles all design and the shaping have the micro-structure in addition, and these micro-structures can increase the light of going out the plain noodles refraction backward, thereby make the luminous soft eye of not hindering of back play plain noodles.

Description

Side income formula desk lamp optical lens that luminous degree of consistency is high from top to bottom

Technical Field

The utility model relates to the field of lighting technology, especially, relate to a side income formula desk lamp optical lens that luminous degree of consistency is high from top to bottom.

Background

The LED table lamp is a common lighting product in life, and can be used for reading and writing lighting or transitional lighting in a room, and the like, wherein the reading and writing dedicated table lamp is concerned by most of users for children whose eyesight is in a developmental stage.

The quality indexes for evaluating the desk lamp products are many, such as stroboflash, shading performance, color rendering index, photobiological damage, illumination and illumination uniformity, and the like, wherein the stroboflash can affect eyes, so that the emphasis is placed on the desk lamp products by consumers. However, as the performance and design level of the desk lamp are improved, it is not difficult to ensure that the product has no stroboflash, so it is necessary to point the improving and improving direction to another important index of the desk lamp, namely, illuminance and illuminance uniformity, which is rarely noticed by people, and has a significant negative effect on the attention of users, thereby resulting in the visual deterioration of users.

The lateral entrance type desk lamp optical lens in the market mainly comprises a light source assembly, a reflection structure and a lateral entrance type lens, the lateral entrance type lens is provided with a light entrance surface, a reflection surface and a light exit surface, the light entrance surface is positioned on the side surface of the lateral entrance type lens, light of the light source assembly can enter the lens through the light entrance surface, the reflection structure is arranged on the reflection surface of the lateral entrance type lens, the light exit surface of the lateral entrance type lens is provided with an emergent microstructure, the emergent microstructure can enable the light emitted from the light exit surface to have different emergent directions, and the emergent microstructure is subjected to uniform light design according to the adjusted light exit surface, however, the light control capability of the scheme is limited, and the uniformity of light spots in the R500 range of an illumination area is poor, so the utility model discloses the lateral entrance type desk lamp optical lens can improve the indexes of illuminance and the uniformity of illuminance and can design a lateral entrance type desk lamp optical lens with high uniformity of light emission.

Disclosure of Invention

In order to realize the purpose, the utility model adopts the following technical scheme:

a lateral desk lamp optical lens with high up-down light emitting uniformity mainly comprises an optical lens and a shell, and is characterized in that the shell is assembled outside the optical lens in a sleeved installation mode; a space is reserved between the inner wall surface of the shell and the optical lens for installing and laying the LED lamp beads; the optical lens comprises an annular reflecting surface, a front light-emitting surface, a rear light-emitting surface and a light-in surface, wherein microstructures are designed and formed on the front light-emitting surface and the rear light-emitting surface, and the annular reflecting surface is designed into an adjustable optical curved surface.

Preferably, the microstructures of the front light-emitting surface and the rear light-emitting surface can be one of a mesh point microstructure arranged in a regular hexagon manner, a mesh point microstructure arranged in a regular quadrilateral manner, a mesh point microstructure arranged in a twisted gradual change manner or a mesh point microstructure arranged in a FERMAT spiral manner.

Preferably, the annular light reflecting surface is designed and formed into a pyramid structure or a diamond structure to form an adjustable optical curved surface.

Preferably, the light emitted by the LED lamp bead is incident to the annular light reflecting surface and the front light emitting surface through the light incident surface, wherein the microstructure of the front light emitting surface reflects part of the light to the rear light emitting surface for emitting.

Preferably, the LED lamp beads are tightly attached to and are parallel to the inner side wall surface of the shell for installation and fixation.

Preferably, the lateral desk lamp optical lens with high up-down light emitting uniformity has a front light emitting surface and a back light emitting surface.

The beneficial effects of the utility model are that:

1) The annular reflecting surface of the utility model becomes an adjustable optical curved surface by designing and forming a pyramid structure or a diamond structure, thereby ensuring that the illumination and the illumination uniformity of the front light-emitting surface reach the national AA standard;

2) Microstructures are designed and formed on the front light-emitting surface and the rear light-emitting surface of the optical lens, and the microstructures can increase light refracted towards the rear light-emitting surface, so that the light emitted by the rear light-emitting surface is soft and does not hurt eyes;

3) The utility model improves the annular reflecting surface, the front light-emitting surface and the rear light-emitting surface on the optical lens of the desk lamp so that the desk lamp can achieve the light-emitting effect of emitting light from top to bottom, the main front light-emitting surface light plate has high uniformity, and the rear light-emitting surface light spot of the auxiliary lighting area is soft, thereby effectively improving the protection and the use experience of users;

4) The utility model discloses the structural feature that utilizes desk lamp optical lens lets the light emitting area of desk lamp make just, two main vice light emitting areas of reversal, wherein just go out the plain noodles and come into the total reflection face through design pyramid structure, possess the adjustable advantage of normal free optics curved surface again, thereby guarantee the illumination degree of consistency of utmost point and reach the two AA standards of state, the concentration of attention when improving people greatly and weakening eyesight and descend, and such total reflection characteristic can greatly improve the utilization efficiency of light, and the site micro-structure of vice illumination area has also guaranteed that this desk lamp lens can regard as work and use the desk lamp, also can regard as other illumination uses.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a schematic structural diagram of a partially enlarged view of the optical lens of the present invention;

fig. 4 is a light path diagram of the front light emitting surface of the present invention;

FIG. 5 is an enlarged partial schematic view of FIG. 4;

fig. 6 is a light path diagram of the rear light emitting surface of the present invention;

FIG. 7 is an enlarged partial schematic view of FIG. 6;

FIG. 8 is a schematic diagram of a mesh microstructure arranged in a regular hexagonal manner;

FIG. 9 is a schematic diagram of a mesh point microstructure arranged in a FERMAT spiral manner;

FIG. 10 is a schematic diagram of a mesh point microstructure arranged in a twisted gradient manner;

FIG. 11 is a schematic view of the ring-shaped reflective surface of the present invention designed into a diamond structure;

fig. 12 is a schematic view of the annular light-reflecting surface of the present invention designed into a pyramid structure.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 to 12, the present embodiment adopts the following technical solution, and the lateral desk lamp optical lens with high vertical light uniformity mainly includes an optical lens and a housing, and is characterized in that the housing is assembled outside the optical lens by a sleeving installation method; a space is reserved between the inner wall surface of the shell and the optical lens for installing and laying the LED lamp beads; the optical lens comprises an annular reflecting surface, a front light-emitting surface, a rear light-emitting surface and a light-in surface, wherein microstructures are designed and formed on the front light-emitting surface and the rear light-emitting surface, and the annular reflecting surface is designed into an adjustable optical curved surface.

The microstructures of the front light-emitting surface and the rear light-emitting surface can be one of a mesh point microstructure arranged in a regular hexagon manner, a mesh point microstructure arranged in a regular quadrilateral manner, a mesh point microstructure arranged in a twisting gradual change manner or a mesh point microstructure arranged in a FERMAT spiral manner.

The annular light reflecting surface is designed and formed into a pyramid structure or a diamond structure to form an adjustable optical curved surface.

The light rays emitted by the LED lamp beads are respectively incident to the annular light reflecting surface and the front light emitting surface through the light incident surface, and the microstructures of the front light emitting surface reflect part of the light rays to the rear light emitting surface for emitting.

The LED lamp beads are tightly attached to and parallel to the inner side wall surface of the shell for installation and fixation.

The side-entry table lamp optical lens with high up-down light emitting uniformity has a front light emitting surface and a back light emitting surface.

The present embodiment takes the above scheme as an example.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A lateral desk lamp optical lens with high up-down light emitting uniformity mainly comprises an optical lens (1) and a shell (2), and is characterized in that the shell (2) is assembled outside the optical lens (1) in a sleeved installation mode; a space is reserved between the inner wall surface of the shell (2) and the optical lens (1) for installing and laying the LED lamp beads (3); the optical lens (1) comprises an annular reflecting surface (10), a front light-emitting surface (11), a rear light-emitting surface (12) and a light-entering surface (13), wherein microstructures are designed and formed on the front light-emitting surface (11) and the rear light-emitting surface (12), and the annular reflecting surface (10) is designed into an adjustable optical curved surface.

2. The lateral desk lamp optical lens with high up-down light emitting uniformity as claimed in claim 1, wherein the microstructures of the front light emitting surface (11) and the rear light emitting surface (12) can be one of a regular hexagonal arrangement of dot microstructures, a regular quadrilateral arrangement of dot microstructures, a twisted gradual arrangement of dot microstructures or a FERMAT spiral arrangement of dot microstructures.

3. The optical lens of a side-in type desk lamp as claimed in claim 1, wherein the annular reflecting surface (10) is designed and shaped to form a pyramid structure or a diamond structure to form an adjustable optical curved surface.

4. The optical lens of a side-in type desk lamp as claimed in claim 1, wherein the light emitted from the LED lamp bead (3) is incident on the annular reflective surface (10) and the front light-emitting surface (11) through the light-incident surface (13), wherein the microstructure of the front light-emitting surface (11) reflects part of the light to the rear light-emitting surface (12) for emission.

5. The optical lens of the lateral desk lamp with high vertical light emitting uniformity as claimed in claim 1, wherein the LED lamp beads (3) are closely attached and fixed in parallel with the inner side wall surface of the shell (2).

6. The optical lens of a lateral desk lamp as claimed in claim 1, wherein the optical lens has a front light emitting surface and a back light emitting surface.