CN210291557U

CN210291557U - Lens for simulating natural light generator

Info

Publication number: CN210291557U
Application number: CN201921537013.7U
Authority: CN
Inventors: 王钟平; 臧剑锋; 李再昌; 邹同军; 邹德文; 张怀玉
Original assignee: Zhejiang Unipa Intelligent Technology Co ltd
Current assignee: Zhejiang Unipa Intelligent Technology Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-04-10
Anticipated expiration: 2029-09-16

Abstract

The utility model relates to a light source lens field, in particular to simulation natural light generator's lens. Comprises a shell, a circuit board arranged on the shell, a plurality of LED lamp beads arranged on the circuit board and a lens corresponding to the LED lamp beads, the lens comprises an upper lens and a lower lens which respectively correspond to the LED lamp beads in number, the upper lens and the lower lens are respectively detachably connected with the shell, a clapboard is arranged in the shell, the clapboard, the upper lens and the lower lens are respectively separated into two luminous cavities, the baffle plate is provided with light holes corresponding to the upper lens and the lower lens, the upper lens comprises a light incident surface and a light emergent surface opposite to the light incident surface, the light incident surface and the light emergent surface are respectively cambered surfaces protruding outwards, the lower lens comprises a lower lens light incoming surface and a lower lens light outgoing surface, a light gathering groove is formed in one end, facing the LED lamp beads, of the lower lens, the LED lamp beads are arranged in the light gathering groove, the lower lens light incoming surface and the lower lens light outgoing surface are respectively in an outwards convex arc shape, and the lower lens light incoming surface is arranged in the light gathering groove.

Description

Lens for simulating natural light generator

Technical Field

The utility model relates to a light source lens field, in particular to simulation natural light generator's lens.

Background

As the urbanization process accelerates, cities are continually gathering more people. According to the statistical data of the State statistics bureau: in 2018, the general population of the continent of China is 139538 million people, from the aspect of urban and rural structures, the constant population of towns is 83137 million people, the constant population of villages is 56401 people, and the ever-increasing population of towns makes people put forward more demands on living environments.

Urban population increases, and urban resources are more and more tense, so that urban space is continuously developed towards two dimensions of sky and underground. In fact, people in cities are indoors most of the time, whether they are working or leisure. Therefore, the improvement of indoor environment is an urgent need. According to statistics, the residence time of people in the room is as long as about 80%. With the improvement of living standard, the requirement of people on the comfort of indoor living environment is higher and higher. People's interest in indoor environments is mainly reflected in several aspects of thermal environments, air quality, acoustic environments and light environments.

The lighting environment is a key factor for the composition of the indoor environment, and 87% of the information acquired by people by means of sense organs comes from vision. The improvement of indoor illumination quality is a necessary link for people to pursue high quality of life and work at present when economy develops rapidly. For the indoor environment, the heat and sound environment are comfortable, and the light quality also influences psychological and physiological factors such as mood change, fatigue degree and the like of indoor personnel, so that the working efficiency is determined to a great extent. With the continuous development of illumination conditions and illumination research, people expand the illumination of an indoor environment by a lighting system to improve the visual comfort of user experience.

The surge of tall buildings and changes in public facilities has been found to have spent a large portion of their lives in artificial lighting conditions. For people who work indoors for a long time and even live in underground environment, the white light sources such as LEDs are not friendly enough, people who work indoors for a long time in such environment are prone to fatigue, and the happiness of people who work indoors for a long time are reduced. Compared with light sources such as indoor LEDs, people are more familiar with and love natural light caused by sunlight penetrating through the atmosphere, the light source enables the life of the earth to grow vigorously, the sunlight and the sky interact at different moments such as morning, noon and evening, and the scenes of gorgeous and colorful sunglow and sunset are provided, so that people tend to be happy and relaxed.

And present indoor lighting lamp only possesses tentatively there is the illumination function, illumination is penetrated directly, dazzling, can not simulate the function of natural light, live under this kind of environment for a long time, easily let the people produce fatigue, and anxiety, thereby reduce work efficiency, to this defect, the applicant invented a can simulate the light generator of natural light, the light of this light generator transmission, the light that can send with the sunlight is similar, but the sunlight is also different at the light of every different time quantum transmission, consequently, traditional lens plane of reflection is not enough, can not satisfy the demand of this light generator.

Disclosure of Invention

In order to overcome the defects of the background art, the utility model aims to provide a lens of a simulated natural light generator with soft illumination.

The utility model adopts the technical proposal that: a lens for simulating a natural light generator comprises a shell, a circuit board arranged on the shell, a plurality of LED lamp beads arranged on the circuit board and a lens corresponding to the LED lamp beads, wherein the lens comprises an upper lens and a lower lens which correspond to the number of the LED lamp beads respectively, the upper lens and the lower lens are detachably connected with the shell respectively, a partition plate is arranged in the shell and is divided into two light-emitting cavities respectively, light-transmitting holes corresponding to the upper lens and the lower lens are formed in the partition plate, the upper lens comprises a light-in surface and a light-out surface which is arranged opposite to the light-in surface, the light-in surface and the light-out surface are respectively cambered surfaces which are convex outwards, the lower lens comprises a lower lens light-out surface and a light-out surface, a light-gathering groove is formed in one end, facing towards the LED lamp beads, of the LED lamp beads are arranged in the light-gathering groove, and the light, the lower lens light incident surface is arranged in the light gathering groove.

Preferably, the center position of the light incident surface and the light emitting surface of the upper lens is an optical axis, the light incident surface and the light emitting surface of the upper lens are divided into a surface a, a surface B corresponding to the surface a, and a surface C and a surface D arranged on both sides of the surface a and the surface B, the surface a of the light incident surface and the light emitting surface is higher than the surface B, the surface a and the surface B are smoothly connected, and the surface C and the surface D are symmetrically arranged.

Preferably, the distance between the surface a of the upper lens and the surface B is longer than the distance between the surface C and the surface D.

Preferably, the curvature of the light incident surface and the light emergent surface is greater than that of the curved surface of the surface A.

Preferably, the lens further comprises an upper lens plate, the plurality of upper lenses are arranged on the lens plate and are integrally formed with the lens plate, and the plurality of upper lenses are arranged at intervals.

Preferably, the light gathering groove is conical.

Preferably, the lens further comprises a lower lens plate, the plurality of lower lenses are arranged on the lower lens plate, the plurality of lower lenses and the lower lens plate are integrally formed, and the plurality of lower lenses are arranged at intervals.

Preferably, the lens plate and the lower lens plate are fixed to the housing by screws.

Preferably, the partition plate is an aluminum plate

The utility model has the advantages that: because lens are including last lens and lower lens, last lens and lower lens set up relatively, LED lamp pearl are arranged in the light gathering groove, the light source that sends is penetrated directly via lower lens, the light that sends spreads earlier the luminous intracavity that baffle and lower lens formed, pass through the light trap on the baffle again and enter into the luminous intracavity that baffle and last lens formed, shine through last lens again, the light of shooting like this is softer, it penetrates directly to be distinguished from traditional through a lens, the setting of two lenses avoids the light dazzling, upper lens A face is different with B face camber, can obtain different illumination effects, the light zone that makes the light source send is different from traditional illumination like this, more be close natural illumination effect.

The embodiments of the present invention will be further explained with reference to the drawings.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a cross-sectional view taken along direction E of fig. 1 according to the present invention.

Detailed Description

As shown in fig. 1-2, the present invention provides a lens for simulating a natural light generator, which comprises a housing 1, a circuit board 2 disposed on the housing 1, a screw connection between the circuit board 2 and the housing, a plurality of LED lamp beads 3 disposed on the circuit board 2, and lenses corresponding to the LED lamp beads 3, wherein the lenses include an upper lens 4 and a lower lens 5 corresponding to the number of the LED lamp beads 3, the upper lens 4 and the lower lens 5 are detachably connected to the housing 1, respectively, a partition plate 6 is disposed in the housing 1, the partition plate 6, the upper lens 4 and the lower lens 5 are separated into two light-emitting cavities 7, the partition plate 6 is provided with light-transmitting holes 61 corresponding to the upper lens 4 and the lower lens 5, the upper lens 4 includes a light-entering surface 41 and a light-exiting surface 42 disposed opposite to the light-entering surface 41, the light-entering surface 41 and the light-exiting surface 42 are respectively cambered surfaces protruding outward, the lower lens 5 includes a lower lens 51 and a light, the end of the lower lens 5 facing the LED lamp bead 3 is provided with a light-gathering groove 53, the LED lamp bead 3 is disposed in the light-gathering groove 53, the lower lens light-in surface 51 and the lower lens light-out surface 52 are respectively in an outward convex arc shape, and the lower lens light-in surface 51 is disposed in the light-gathering groove 53. In the above scheme, because lens are including last lens 4 and lower lens 5, last lens 4 sets up with lower lens 5 relatively, LED lamp pearl 3 is arranged in light-gathering groove 53, the light source that sends penetrates directly via lower lens 5, the light that sends diffuses earlier in the luminous cavity that baffle 6 and lower lens 5 formed, pass through in the light trap 61 on baffle 6 enters into the luminous cavity that baffle 6 and last lens 4 formed again, shine through last lens 4 again, the light that sends like this is softer, it penetrates directly to be distinguished from traditional through a lens, the setting of two lenses, avoid the light dazzling, it is different with B face camber to go up lens A face, can obtain different illumination effects, the light zone that makes the light source send is different from traditional illumination like this, more be close natural illumination effect.

The center positions of the light incident surface 41 and the light emitting surface 42 of the upper lens 4 are optical axes, the light incident surface 41 and the light emitting surface 42 of the upper lens 4 are divided into a surface a, a surface B corresponding to the surface a, and a surface C and a surface D which are arranged on both sides of the surface a and the surface B, the surface a of the light incident surface 41 and the light emitting surface 42 is higher than the surface B, the surface a and the surface B are smoothly connected, and the surface C and the surface D are symmetrically arranged. The distance between the A surface and the B surface of the upper lens is longer than the distance between the C surface and the D surface. The curvature of the light incident surface 41 and the light emitting surface 42B is larger than that of the curved surface of the a surface. The curvature of the surface B is larger than that of the surface A, so that the surface B is thinner than the surface A, the focal length of the surface B is larger than that of the surface A, the two sides are different, the illumination effect is different, a plurality of illumination ranges are met, and the natural light characteristic is better met.

The lens module further comprises an upper lens plate 43, the plurality of upper lenses 4 are arranged on the lens plate 43, the plurality of upper lenses 4 and the lens plate 43 are integrally formed, and the plurality of upper lenses 4 are arranged at intervals. The number of the upper lenses 4 is the same as that of the LED lamp beads 3, and correspondingly, light beam refraction of each LED lamp bead light source is guaranteed.

The light-gathering groove 53 is tapered. The LED lamp beads 3 are arranged in the light gathering grooves 53, gather together to achieve a good gathering effect, and then pass through the lower lens light incoming surface 51 and then reach the lower lens light outgoing surface 53 for amplification and diffusion.

The lens module further comprises a lower lens plate 54, a plurality of lower lenses 5 are arranged on the lower lens plate 54, the lower lenses 5 and the lower lens plate 54 are integrally formed, and the lower lenses 5 are arranged at intervals. The lower lens 5 corresponds to the light-transmitting hole 61, and illumination of each LED lamp bead is guaranteed.

The lens plate 43 and the lower lens plate 54 are fixed to the housing 1 by screws. The structure is firmly fixed.

The baffle 6 be aluminum plate, aluminum plate has better radiating effect.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited thereto, and any modification that utilizes the inventive concepts will be within the scope of the patent claims.

Claims

1. The utility model provides a lens of simulation natural light generator, including the casing, locate circuit board on the casing, locate a plurality of LED lamp pearls on the circuit board and the lens that corresponds with LED lamp pearl, its characterized in that: lens including corresponding upper lens and lower lens respectively with LED lamp pearl quantity, upper lens and lower lens can dismantle with the casing respectively and be connected, the casing in be equipped with a baffle, baffle and upper lens and lower lens separate into two luminous cavity respectively, the baffle on be equipped with the light trap that corresponds with upper lens and lower lens, upper lens is including going into the plain noodles and going out the plain noodles that sets up relatively with going into the plain noodles, go into the plain noodles and go out the plain noodles and be outside bellied cambered surface respectively, lower lens go into the plain noodles and go out the plain noodles including lower lens, lower lens has the light-focusing groove towards the one end of LED lamp pearl, the light-focusing groove is arranged in to LED lamp pearl, lower lens go into the plain noodles and the plain noodles of lower lens are outside convex arc respectively, the light-focusing inslot is located to the.

2. A lens for simulating a natural light generator as claimed in claim 1 wherein: the center positions of the light incident surface and the light emitting surface of the upper lens are optical axes, the light incident surface and the light emitting surface of the upper lens are divided into a surface A, a surface B corresponding to the surface A, and a surface C and a surface D which are arranged on two sides of the surface A and the surface B by taking the optical axes as the center, the surface A of the light incident surface and the surface A of the light emitting surface are higher than the surface B, the surface A is smoothly connected with the surface B, and the surface C and the surface D are symmetrically arranged.

3. A lens for simulating a natural light generator as claimed in claim 2 wherein: the distance between the A surface and the B surface of the upper lens is longer than the distance between the C surface and the D surface.

4. A lens for simulating a natural light generator as claimed in claim 3 wherein: the curvature of the B surface of the light incident surface and the light emergent surface is larger than that of the A surface.

5. A lens simulating a natural light generator as claimed in claim 1 or 2 or 3 or 4 wherein: still including last lens board, a plurality of last lens are located on the lens board and a plurality of last lens and lens board integrated into one piece, and a plurality of last lens interval sets up.

6. A lens for simulating a natural light generator as claimed in claim 5 wherein: the light gathering groove is conical.

7. A lens for simulating a natural light generator as claimed in claim 6 wherein: still including lower lens board, a plurality of lower lenses locate down on the lens board and a plurality of lower lenses and lower lens board integrated into one piece, a plurality of lower lens interval sets up.

8. A lens for simulating a natural light generator as claimed in claim 7 wherein: the lens plate and the lower lens plate are fixed with the shell through screws.

9. A lens for simulating a natural light generator as claimed in claim 8 wherein: the clapboard is an aluminum plate.