CN220038266U - Optical lens, optical module and lamp - Google Patents

Abstract

The utility model discloses an optical lens, an optical module and a lamp, wherein the lamp comprises an optical module, the optical module comprises an optical lens, the optical lens comprises a lens body, and an optical part is convexly arranged on one side of the lens body; the optical part is provided with an inner groove for accommodating the light source, and the inner groove wall of the inner groove is a light incident surface capable of refracting light rays; both side walls of the optical part are provided with a first optical structure for generating total reflection of light; the other side of the lens body is provided with a second optical structure capable of refracting light; the utility model improves the illumination intensity and illumination uniformity of the illumination area in practical application and improves the illumination comfort level.

Description

Optical lens, optical module and lamp

Technical Field

The present utility model relates to the field of lighting technologies, and in particular, to an optical lens, an optical module, and a lamp.

Background

The optical lens is an optical element made of transparent substances and is a light distribution part in various lamps so as to meet the lighting requirements of various actual use scenes.

In the prior art, the patent number 202221551470.3 and the utility model name of the patent are an optical lens and a lighting device, and the utility model discloses a dimming structure with a plurality of protruding light-emitting surfaces on the light-emitting surfaces, so that light rays emitted by a light source assembly are emitted after sequentially passing through the light-entering surfaces, the light-emitting surfaces and the dimming structure, and the light rays are refracted for a plurality of times in the dimming structure, so that the light rays are changed from direct refraction into the sum of uniform refraction from each dimming structure, the single-point brightness of the light source assembly is reduced on the premise of not changing the overall brightness, the light rays are effectively prevented from dazzling, and meanwhile, the brightness uniformity of the lighting device with the optical lens is improved.

Although the effect of changing the illuminance uniformity of the existing lighting device is achieved, when a user uses the optical lens in the lighting environment provided by the optical lens, the problem of poor illuminance uniformity still exists, and the problem of eye fatigue of the user is caused.

Disclosure of Invention

The utility model aims to overcome the defects and provide an optical lens, an optical module and a lamp with uniform illumination.

In order to achieve the above object, the present utility model is specifically as follows:

the utility model provides an optical lens, which comprises a lens body, wherein an optical part is convexly arranged on one side of the lens body; the optical part is provided with an inner groove for accommodating the light source, and the inner groove wall of the inner groove is a light incident surface capable of refracting light rays;

the two side walls of the optical part are respectively provided with a first optical structure for generating total reflection of light;

the other side of the lens body is provided with a second optical structure which can refract light rays.

The first optical structure is a micro-structure in a fish scale shape or a polygonal shape.

The utility model further provides that the caliber of the inner groove gradually decreases inwards from the opening position of the inner groove.

In the utility model, the number of the optical parts is two, and the two optical parts are arranged at intervals.

The utility model further provides that the second optical structure is a micro-structure in a fish scale shape or a polygonal shape.

In the present utility model, the width of the optical portion is gradually increased from one side of the lens body to the other side of the lens body.

In the utility model, the outer periphery and the inner periphery of the lens body are provided with surrounding flanges.

In the utility model, the surrounding flange is provided with a buckle structure.

The utility model also provides an optical module comprising the optical lens.

The utility model also provides a lamp, which comprises the optical module.

The beneficial effects of the utility model are as follows: according to the utility model, the inner grooves are formed in the optical part, the first optical structures are arranged on the two side walls of the optical part, and the second optical structures are arranged on the light emitting surface of the lens body, so that when the optical fiber irradiates the light entering surface, the light entering surface refracts the light, the light is incident on the first optical structures, is incident on the second optical structures after being totally reflected by the first optical structures, and is emitted after being refracted by the second optical structures, and therefore the illuminance and illuminance uniformity of an irradiation area in practical application are improved, and the illumination comfort level is improved.

Drawings

FIG. 1 is a perspective view of an optical lens of the present utility model;

FIG. 2 is a perspective view of another view of the optical lens of the present utility model;

FIG. 3 is a cross-sectional view of an optical lens of the present utility model;

FIG. 4 is an enlarged partial schematic view at A in FIG. 3;

FIG. 5 is a perspective view of an optical module of the present utility model;

FIG. 6 is a perspective view of a lamp of the present utility model;

reference numerals illustrate: 1. a lens body; 11. a peripheral flange; 12. a button hole; 2. an optical unit; 21. an inner groove; 3. a first optical structure; 4. a second optical structure.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and the specific embodiments, without limiting the scope of the utility model.

As shown in fig. 1 to 4, the optical lens according to the present embodiment includes a lens body 1, wherein the lens body 1 may be made of a transparent resin material, the lens body 1 is annular, an optical portion 2 is convexly disposed on one side of the lens body 1, and the optical portion 2 is annular; the optical part 2 is provided with an inner groove 21 for accommodating a light source, and the inner groove wall of the inner groove 21 is a light incident surface capable of refracting light; specifically, an optical part 2 is arranged on one side of the lens body 1, which is close to a light source, the light source is an LED lamp bead, and light rays emitted by the LED lamp bead irradiate on the light incident surface;

both side walls of the optical part 2 are provided with a first optical structure 3 for generating total reflection of light; a second optical structure 4 capable of refracting light is arranged on the other side of the lens body 1; the surface of the lens body 1 far away from the light source is a light-emitting surface.

In this embodiment, the inner groove 21 is disposed on the optical portion 2, the first optical structure 3 is disposed on two side walls of the optical portion 2, and the second optical structure 4 is disposed on the light exit surface of the lens body 1, so that when the optical fiber irradiates the light entrance surface, the light incident surface refracts the light, so that the light is incident on the first optical structure 3, is incident on the second optical structure 4 after being totally reflected by the first optical structure 3, and is emitted after being refracted by the second optical structure 4, thereby improving illuminance and illuminance uniformity of an irradiation area in practical application and improving illumination comfort.

As shown in fig. 2 and 4, the first optical structure 3 is a microstructure with a fish scale shape or a polygonal shape; the polygonal microstructure can be a diamond or square microstructure, so that the light is reflected by the microstructure when emitted, the emitted light is more uniform, the purpose of uniform irradiation light spots is achieved, and the appearance texture of the optical lens can be improved.

In the optical lens of the present embodiment, the aperture of the inner groove 21 is gradually reduced from the opening position thereof inward; the arrangement is such that the light incident surface is a curved surface structure, so that the light generated by the LED lamp beads is more fully refracted onto the first optical structure 3.

In the optical lens of the present embodiment, as shown in fig. 2 to 4, the number of the optical portions 2 is two, and the two optical portions 2 are disposed at intervals. According to the embodiment, through the arrangement of the two optical parts 2, the inner grooves 21 are formed in each optical part 2, so that more LED lamp beads can be distributed, the number of the LED lamp beads can be flexibly adjusted according to actual requirements, required power and color temperature can be obtained, and the structure is more flexible.

In one optical lens of the present embodiment, as shown in fig. 1, the second optical structure 4 is a microstructure having a fish scale shape or a polygonal shape. The microstructure of polygonal can be diamond or square microstructure, so set up, carry out secondary even light to the outgoing light after the reflection of first optical structure 3, after the reflection of microstructure when the outgoing, the outgoing light is more even to reach the even purpose of irradiation facula, can also reach the effect of sheltering from the LED lamp pearl simultaneously, let the user can't see inside LED lamp pearl clearly, further promote optical lens's outward appearance feel.

In the optical lens according to the present embodiment, as shown in fig. 4, the width of the optical portion 2 gradually increases from one side of the lens body 1 to the other side of the lens body 1; the arrangement is such that the first optical structure 3 can receive the light refracted by the light incident surface, and the light reflected by the first optical structure 3 can be fully refracted by the second optical structure and then emitted.

As shown in fig. 1 and 2, the outer periphery and the inner periphery of the lens body 1 are provided with a peripheral edge 11; the surrounding flange 11 is provided to shield the optical portion 2.

In the optical lens of this embodiment, the surrounding flange 11 is provided with a fastening structure, specifically, the fastening structure may be a fastening lug or a fastening hole 12, as shown in fig. 1 and fig. 2, and in this embodiment, the surrounding flange 11 is provided with the fastening hole 12, so that the optical lens is convenient to install and fix quickly.

The present embodiment also provides an optical module, as shown in fig. 5, including the optical lens described above. The optical module of the embodiment adopts the optical lens, so that the optical lens has all the beneficial effects of the optical lens, and the description is omitted here.

The embodiment also provides a lamp, as shown in fig. 6, including the optical module described above. The lamp of the embodiment adopts the optical module, so that the lamp has all the beneficial effects of the optical module, and the description is omitted here.

The foregoing description is only one preferred embodiment of the utility model, and therefore all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are intended to be embraced therein.

Claims (10)

1. An optical lens is characterized by comprising a lens body, wherein an optical part is convexly arranged on one side of the lens body; the optical part is provided with an inner groove for accommodating the light source, and the inner groove wall of the inner groove is a light incident surface capable of refracting light rays;

the two side walls of the optical part are respectively provided with a first optical structure for generating total reflection of light;

the other side of the lens body is provided with a second optical structure which can refract light rays.

2. An optical lens as claimed in claim 1, wherein the first optical structure is a fish scale or polygonal microstructure.

3. An optical lens as claimed in claim 1, wherein the bore of the inner recess is tapered inwardly from its open position.

4. An optical lens according to claim 1, wherein the number of optical portions is two, and two of the optical portions are spaced apart.

5. An optical lens as claimed in claim 1, wherein the second optical structure is a fish scale or polygonal microstructure.

6. An optical lens as claimed in claim 1, wherein the width of the optical portion increases gradually from one side of the lens body to the other side of the lens body.

7. An optical lens as claimed in any one of claims 1 to 6, wherein the outer periphery and the inner periphery of the lens body are provided with peripheral rims.

8. An optical lens as claimed in claim 7, wherein the peripheral flange is provided with a snap-fit arrangement.

9. An optical module comprising an optical lens according to any one of claims 1 to 8.

10. A luminaire comprising the optical module of claim 9.