CN211738963U

CN211738963U - Lens structure for adjusting light spots of lamp

Info

Publication number: CN211738963U
Application number: CN202020698599.1U
Authority: CN
Inventors: 柳保林; 邹伟宏; 陈实
Original assignee: Huizhou Cdn Industrial Development Co ltd
Current assignee: Huizhou Cdn Industrial Development Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-10-23
Anticipated expiration: 2030-04-29

Abstract

The utility model relates to a lens structure for adjusting light spots of a lamp, which comprises a light transmitting body and a light gathering body, wherein the light transmitting body comprises a light transmitting body and a light mixing unit, a reflecting surface is arranged on the side surface of the light transmitting body, the light mixing unit is arranged on the top surface of the light transmitting body, and a through hole is arranged on the light transmitting body; the light gathering body comprises a light gathering lens and an annular unit, the light gathering lens is arranged in the through hole, the edge of the light gathering lens is fixed with the inner side wall of the through hole, the light gathering lens is provided with a light incident surface and a light emergent surface, and the annular unit is arranged on the light emergent surface. The reflecting surface is favorable for converging light rays, and the intensity of the central light rays is favorably increased through the further converging and diverging effects of the light mixing unit. The light rays are converged under the condensation effect of the condensing lens, so that the diffusion of the light rays is reduced, the control capability of the light rays is improved, the occurrence of auxiliary light spots is reduced, and the central illumination intensity is enhanced.

Description

Lens structure for adjusting light spots of lamp

Technical Field

The utility model relates to a lamps and lanterns lighting technology field, in particular to be used for adjusting lamps and lanterns lens structure for facula.

Background

Compared with the conventional Light source, a Light Emitting Diode (LED) has the advantages of low power consumption, high efficiency, long lifetime, and the like. For example, the power consumption of the lamp is 1/10 of a common incandescent lamp and 1/2 of an energy-saving lamp under the same brightness, and the service life of the lamp can be prolonged by about 100 times. LEDs have the advantage of energy and power saving, so that their practical utility is especially important when they are used for illumination purposes.

However, the existing spot lights, which are nominally 24 ° or 36 ° in beam angle, have the beam angle of 50% intensity, but have poor light control for 10% intensity, resulting in a large sub-spot. In the same lamp, different beam angles, when two lamps are simultaneously irradiated on a white wall, the brightness difference of 50% central light intensity is different between two products at the beam angles seen visually, and the maximum spot diameters of the two beam angles are seen to be the same, when the lamp is used, the secondary spot is too large, so that illumination interference except for an irradiated object is caused (as shown in fig. 6), and professional illumination effect is influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, a lens structure for adjusting the light spots of the lamp, which can improve the light control capability and reduce the secondary light spots to enhance the central light intensity, is needed to be designed.

A lens structure for adjusting light spots of a lamp comprises

The light-transmitting body comprises a light-transmitting body and a light-mixing unit, wherein a reflecting surface is arranged on the side surface of the light-transmitting body, the light-mixing unit is arranged on the top surface of the light-transmitting body, and a through hole is formed in the light-transmitting body; and

the condensing body, the condensing body includes condensing lens and annular unit, condensing lens set up in the through-hole, condensing lens's edge with the inside wall of through-hole is fixed mutually, be provided with income plain noodles and play plain noodles on the condensing lens, annular unit set up in on the play plain noodles.

In one embodiment, a light incident area is arranged between the light incident surface and the inner side wall of the through hole, and a light emergent area is arranged between the light emergent surface and the inner side wall of the through hole.

In one embodiment, the reflecting surface is provided with an inclination angle, and the degree of the inclination angle ranges from 80 degrees to 89 degrees.

In one embodiment, the reflective surface is an annular reflective surface.

In one embodiment, the top surface of the light-transmitting body is a plane or a concave surface gradually inclined from the center of the peripheral phase.

In one embodiment, the concave surface is a straight surface or a curved surface.

In one embodiment, the light incident surface and the light emitting surface are convex surfaces.

In one embodiment, the bottom surface of the light-transmitting body is provided with a mounting hole, and the mounting hole is communicated with the through hole.

In one embodiment, the light-transmitting body and the light mixing unit are of an integrally formed structure;

the condensing lens and the annular unit are of an integrally formed structure.

In one embodiment, the central line of the condenser lens coincides with the central line of the through hole.

Compared with the prior art, the utility model discloses following beneficial technological effect has:

firstly, a lens knot for adjusting lamps and lanterns facula is through setting up the printing opacity body, be provided with the plane of reflection on the side of printing opacity body, mix the light unit set up in on the top surface of printing opacity body, the plane of reflection is favorable to assembling of light, through mix the effect that light unit further assembles and diverges, is favorable to increasing the intensity of central light.

Secondly, through setting up the condensing body includes condensing lens and annular unit, light passes through condensing lens's spotlight effect for the ray of inciting oneself into takes place to assemble, reduces the diffusion of light, improves the controllability to light, reduces the appearance of vice facula, with the illumination intensity at reinforcing center.

Drawings

Fig. 1 is a schematic structural diagram of a lens structure for adjusting light spots of a lamp according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a lens structure for adjusting light spots of a lamp according to another embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a lens structure for adjusting a light spot of a lamp according to another embodiment of the present invention.

Fig. 4 is a partial enlarged view of the light-transmitting body and the light-mixing unit according to an embodiment of the present invention.

Fig. 5 is a partially enlarged view of a condensing lens and an annular unit according to an embodiment of the present invention.

Fig. 6 is a schematic diagram of a primary light spot and a secondary light spot irradiated by a lamp in the prior art.

Fig. 7 is a schematic diagram of a comparison between a main light spot and an auxiliary light spot irradiated by a lamp for adjusting a light spot of the lamp with the lens structure.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to better understand the advantages and features of the present invention, and to define the scope of the present invention more clearly.

Please refer to fig. 1, which is a schematic structural diagram of a lens structure 10 for adjusting light spots of a lamp according to an embodiment of the present invention. The utility model provides a be used for adjusting lamps and lanterns lens structure 10 for facula includes the printing opacity body 100 and the spotlight body 200, spotlight body 200 set up in on the printing opacity body 100, printing opacity body 100 is used for playing the effect of reflection and refraction to light, spotlight body 200 is used for playing the effect of assembling to light.

Referring to fig. 1 and fig. 2, the light-transmitting body 100 includes a light-transmitting body 110 and a light-mixing unit 120, a reflective surface 111 is disposed on a side surface of the light-transmitting body 110, the light-mixing unit 120 is disposed on a top surface of the light-transmitting body 110, and a through hole 1101 is disposed on the light-transmitting body 110. For example, the light mixing unit 120 is composed of a plurality of light-transmitting particles, and each of the light-transmitting particles is distributed in a honeycomb shape. The reflecting surface 111 reflects the light entering the light-transmitting body 110, that is, the light is reflected after striking the reflecting surface 111. The light sequentially passes through the light-transmitting body 110 and the light-mixing unit 120 and irradiates into the air.

In one embodiment, the reflecting surface is provided with an inclination angle, and the degree range of the inclination angle is 80-89 degrees, that is, the reflecting surface is a curved concave surface, which is beneficial to the convergence of light rays. For another example, the reflective surface is an annular reflective surface. For another example, the top surface of the light-transmitting body is a plane or a concave surface gradually inclined from the center of the peripheral phase, that is, the top surface of the light-transmitting body is a plane, or the top surface of the light-transmitting body is a concave surface gradually inclined from the center of the peripheral phase, so that light rays can be conveniently converged. For another example, the concave surface is a straight surface or a curved surface.

Referring to fig. 1, the light collector 200 includes a light collecting lens 210 and an annular unit (not shown), the light collecting lens 210 is disposed in the through hole 1101, an edge of the light collecting lens 210 is fixed to an inner sidewall of the through hole 1101, the light collecting lens 210 is provided with a light incident surface 211 and a light emitting surface 212, and the annular unit is disposed on the light emitting surface 212. For example, the annular unit is composed of a plurality of light condensing particles, each light condensing particle is linearly distributed, and light rays are condensed by the light condensing effect of the light condensing lens 210, so that the incident light rays are converged, the diffusion of the light rays is reduced, the intensity of central light rays is enhanced, and the light rays scattered outwards are reduced, that is, the light condensing capability of the light condensing lens 210 is set, so that the control capability of the light rays is improved, the occurrence of auxiliary light spots is reduced, the illumination intensity at the center is enhanced, and the relative area of the main light spots is increased (as shown in fig. 7).

In an embodiment, referring to fig. 1, a light incident area 112 is disposed between the light incident surface 211 and the inner sidewall of the through hole 1101, and a light emitting area 113 is disposed between the light emitting surface 212 and the inner sidewall of the through hole 1101, it should be noted that a light source is disposed in the light incident area 112. As another example, a mounting hole 1102 is formed in the bottom surface of the light-transmitting body 110, the mounting hole 1102 is communicated with the through hole 1101, please refer to fig. 3 to 5, a light source, i.e., an LED lamp, is disposed on the mounting hole 1102, the direct light emitted by the LED lamp sequentially passes through the light incident region 112, the condenser lens 210 and the light exit region 113, the scattered light emitted by the LED lamp sequentially passes through the light incident region 112, the reflecting surface 111 of the light-transmitting body 110 and the light-mixing unit 120, it should be noted that the condenser lens 210 plays a role in converging the direct light, and the reflecting surface 111 of the light-transmitting body 110 and the light-mixing unit 120 play a role in converging the scattered light.

In one embodiment, the light incident surface and the light emitting surface are convex surfaces. For another example, the central line of the condensing lens coincides with the central line of the through hole, and the central line of the mounting hole coincides with the central line of the condensing lens and the central line of the through hole respectively.

In one embodiment, the light-transmitting body and the light mixing unit are of an integrally formed structure; the condensing lens and the annular unit are of an integrally formed structure, so that the stability of the structure is facilitated, and the structural strength is enhanced.

firstly, a lens knot 10 for adjusting lamps and lanterns facula is through setting up printing opacity body 100, be provided with reflecting surface 111 on the side of printing opacity body 110, mix light unit 120 set up in on the top surface of printing opacity body 110, the reflecting surface is favorable to converging of light, through the effect that further converges and diverges of mix light unit, is favorable to increasing the intensity of central light.

Secondly, through setting up condensing body 200 includes condensing lens 210 and annular unit, light passes through condensing lens 210's spotlight effect for the ray of incidenting into takes place to assemble, reduces the diffusion of light, improves the controllability to light, reduces the appearance of vice facula, with the illumination intensity of reinforcing center, increases the relative area of main facula promptly.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A lens structure for adjusting light spots of a lamp is characterized by comprising

2. The lens structure as claimed in claim 1, wherein a light incident area is disposed between the light incident surface and the inner sidewall of the through hole, and a light exiting area is disposed between the light exiting surface and the inner sidewall of the through hole.

3. The lens structure as claimed in claim 1, wherein the reflecting surface has an inclination angle, and the degree of the inclination angle is in the range of 80 ° to 89 °.

4. The lens structure for adjusting the spot size of a lamp according to claim 1, wherein the reflecting surface is an annular reflecting surface.

5. The lens structure for adjusting the light spot of a lamp as claimed in claim 1, wherein the top surface of the light-transmitting body is a flat surface or a concave surface gradually inclined from the center of the peripheral phase.

6. The lens structure for adjusting the light spot of a lamp as claimed in claim 5, wherein the concave surface is a straight surface or a curved surface.

7. The lens structure of claim 1, wherein the light incident surface and the light emitting surface are convex.

8. The lens structure for adjusting the light spot of the lamp as claimed in claim 1, wherein a mounting hole is formed on the bottom surface of the light transmissive body, and the mounting hole is communicated with the through hole.

9. The lens structure for adjusting the light spot of a lamp according to claim 1, wherein the light-transmitting body and the light mixing unit are integrally formed;

the condensing lens and the annular unit are of an integrally formed structure.

10. The lens structure for adjusting the spot size of a lamp according to claim 1, wherein the center line of the condenser lens coincides with the center line of the through hole.