CN216431596U - Light-transmitting element, photoelectric module and lamp - Google Patents

Abstract

The utility model discloses a light-transmitting element, photovoltaic module and lamps and lanterns, the light-transmitting element includes income plain noodles, play plain noodles and connects the bottom surface of income plain noodles with play plain noodles, in at least some regions of light-transmitting element, the cross-section of income plain noodles is about a central line symmetry or asymmetric, the cross-section of play plain noodles is about the central line symmetry; the light incident surface comprises a first curved surface and a second curved surface, and the refraction angle of the first curved surface is larger than that of the second curved surface. Through the position distribution and light conduction path simulation analysis of the light-transmitting element and the barrier, the light-incoming surface of the light-transmitting element is modified in a targeted manner, and the light direction close to the barrier is deviated by utilizing the refraction principle, so that the purpose of avoiding the barrier is achieved, and bright spots or dark areas formed by reflection or refraction of light are avoided to the greatest extent.

Description

Light-transmitting element, photoelectric module and lamp

Technical Field

The utility model relates to a lamps and lanterns illumination technical field especially relates to a printing opacity component, application the photovoltaic module and the lamps and lanterns of printing opacity component.

Background

In the trend of ever-evolving and changing lamp categories in the LED illumination industry, the built-in light source of the ceiling lamp tends to be in a modularized and replaceable design, so that the lamp is convenient to replace and maintain at a later period.

As shown in fig. 1, in the conventional lamp, the optoelectronic module 90 includes a light source 91 and a lens 92, and the lens 92 has a symmetrical structure, but since the light guided out by the lens 92 having the symmetrical structure is inevitably partially blocked by an obstacle 93 (e.g. a component inside the lamp or the structure of the optoelectronic module 90 itself), the light is reflected and refracted inside the lamp, so as to form a dark area or a light spot on the mask of the lamp.

Fig. 2 shows a light distribution curve diagram of the photovoltaic module 90 using the lens 92 with the symmetrical structure, and fig. 2 more clearly shows that the light efficiency of the conventional lamp is not uniform.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a printing opacity component, photovoltaic module and lamps and lanterns, will the printing opacity component is applied to in the lamps and lanterns, can solve effectively because of light is at lamps and lanterns internal reflection, refraction, lead to forming dark space, facula, the uneven scheduling problem of light efficiency on the lamps and lanterns face guard.

The utility model provides a light-transmitting element, which comprises a light-entering surface, a light-emitting surface and a bottom surface connecting the light-entering surface and the light-emitting surface, wherein the light-entering surface and the light-emitting surface are both curved surfaces and are bent towards a direction far away from the bottom surface to form a light-emitting cavity; in at least one partial region of the light-transmitting element, the cross section of the light-transmitting element is provided with a center line, the cross section of the light-incident surface is symmetrical or asymmetrical with respect to the center line, and the cross section of the light-emitting surface is symmetrical with respect to the center line; the light incident surface comprises at least two tangent curved surfaces which are a first curved surface and a second curved surface respectively, the first curved surface is positioned on one side of the central line, and the second curved surface is positioned on the other side of the central line; wherein the refraction angle of the first curved surface is greater than the refraction angle of the second curved surface.

Optionally, in some embodiments of the present invention, the curvature of the first curved surface is smaller than the curvature of the second curved surface.

Optionally, in some embodiments of the present invention, in another partial region of the light-transmitting element, the first curved surface and the second curved surface are symmetric curved surfaces; the curvature of the first curved surface is equal to the curvature of the second curved surface.

Optionally, in some embodiments of the present invention, an inclination angle of the first curved surface is greater than or equal to an inclination angle of the second curved surface.

Optionally, in some embodiments of the present invention, the light emitting surface has a symmetrical semicircular cross section perpendicular to the bottom surface; the light emitting surface comprises at least one of an ellipsoid, a spherical surface and a paraboloid.

Optionally, in some embodiments of the present invention, the light-transmitting element includes at least one of a granular lens, a strip lens, and an annular lens.

Correspondingly, the present invention further provides a photovoltaic module, which comprises a substrate, a plurality of light sources arranged on the substrate in an array manner, and a light-transmitting element covering the light sources, as described in any of the above embodiments; the light-transmitting element is connected with the substrate, and the plurality of light sources are accommodated in the light emission cavity of the light-transmitting element; when the light-transmitting element is a granular lens, each granular lens covers the upper part of one light source; when the light-transmitting element is a strip lens or an annular lens, each strip lens or annular lens covers the upper part of at least one light source.

Optionally, in some embodiments of the present invention, the optoelectronic module further includes a power cavity with a power supply inside; wherein the second curved surface is arranged close to the power supply cavity.

Correspondingly, the utility model also provides a lamps and lanterns, its characterized in that: the lamp comprises the light-transmitting element according to any one of the embodiments; when an obstacle is arranged around the light-transmitting element, the second curved surface is arranged close to the obstacle.

Compared with the prior art, the utility model discloses in the printing opacity component perpendicular to the cross-section of bottom surface has the central line, the printing opacity component go out the plain noodles about the central line symmetry, in the partial region of printing opacity component go into the plain noodles about central line symmetry or asymmetry. The light-transmitting element with the asymmetric light-transmitting surface relative to the central line is arranged near the obstacle, the light-transmitting element with the asymmetric light-transmitting surface far away from the obstacle can be arranged asymmetrically relative to the central line or symmetrically relative to the central line, the light-transmitting element and the obstacle are subjected to position distribution and light conducting path simulation analysis, the light-transmitting element light-transmitting surface is modified in a targeted mode, the light direction close to the obstacle is deviated by utilizing the refraction principle, the obstacle is avoided, and the phenomenon that light is reflected or refracted by the obstacle to form bright spots or dark areas is avoided to the greatest extent.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic diagram of the optical path of a light beam splitting inside a conventional photovoltaic module;

FIG. 2 is a light distribution curve diagram of a conventional photovoltaic module;

fig. 3 is a schematic diagram of the light path of the light splitting inside the optoelectronic module according to the present invention;

fig. 4 is a schematic structural diagram of one embodiment of a light-transmitting element provided by the present invention;

fig. 5 is a schematic plan view of an optoelectronic module according to the present invention, which also shows another embodiment of the light-transmitting element;

FIG. 6 is a light distribution graph of the photovoltaic module shown in FIG. 5;

fig. 7 is a schematic view of a lamp structure according to the present invention.

Description of the main reference numerals:

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention. Furthermore, it is to be understood that the description herein of specific embodiments is for purposes of illustration and explanation only and is not intended to limit the present disclosure. In the present invention, when the description is not made to the contrary, the use of the directional terms such as "upper", "lower", "left" and "right" may refer to the direction of the actual use or working state of the device, or may refer to the direction of the drawing in the drawings, or may refer to two opposite directions; while "inner" and "outer" are with respect to the outline of the device.

Specifically, referring to fig. 3 and 4, the present invention provides a light transmitting element 100, which includes a light incident surface 110, a light emitting surface 120 and a bottom surface 130 connecting the light incident surface 110 and the light emitting surface 120, wherein the light incident surface 110 and the light emitting surface 120 are both curved surfaces and are bent toward a direction away from the bottom surface 130 to form a light emitting cavity 140. In at least a portion of the area of the light-transmitting element 100, a cross section of the light-transmitting element 100 has a center line X-X ', a cross section of the light-incident surface 110 is symmetrical or asymmetrical with respect to the center line X-X ', and a cross section of the light-emitting surface 120 is symmetrical with respect to the center line X-X '; the light incident surface 110 includes at least two tangent curved surfaces, which are a first curved surface 111 and a second curved surface 112, respectively, the first curved surface 111 is located on one side of the central line X-X ', and the second curved surface 112 is located on the other side of the central line X-X'; the refraction angle of the first curved surface 111 is greater than that of the second curved surface 112. In this embodiment, the at least one partial region has an asymmetric semicircular cross section perpendicular to the bottom surface, and the wall surface of the light emitting cavity 140 is the light incident surface 110.

Specifically, when the light emitting surface 120 is symmetrical with respect to the center line X-X ', the light incident surface 110 may be symmetrical with respect to the center line X-X', or asymmetrical with respect to the center line X-X ', the light transmissive element 100 with the light incident surface 110 symmetrical with respect to the center line X-X' may be used in combination with the light transmissive element 100 with the light incident surface 110 asymmetrical with respect to the center line X-X ', so as to be applied to different usage scenarios, in some embodiments, the light transmissive element 100 with the light incident surface 110 asymmetrical with respect to the center line X-X' is disposed near the obstacle 200, and the light incident surface 110 of the light transmissive element 100 away from the obstacle 200 may be disposed asymmetrical with respect to the center line X-X ', or symmetrical with respect to the center line X-X', through simulation analysis of the position distribution and the light conducting path of the light-transmitting element 100 and the obstacle 200, the light incident surface 110 of the light-transmitting element 100 is modified in a targeted manner, and the light direction close to the obstacle 200 is deviated by utilizing the refraction principle, so that the obstacle 200 is avoided, and bright spots or dark areas formed by the reflection or refraction of the light by the obstacle 200 are avoided to the greatest extent.

As shown in fig. 3, in some embodiments, the light incident surface 110 includes at least two tangent curved surfaces 111(112), which are a first curved surface 111 and a second curved surface 112; the curvature of the first curved surface 111 is less than or equal to the curvature of the second curved surface 112. It should be noted that the light incident surface 110 may further include a plurality of curved surfaces with different curvatures, and specifically, the light transmitting element 100 and the obstacle 200 may be designed according to a simulation analysis result of the position distribution and the light conducting path of the light transmitting element, and since the curvature of the first curved surface 111 is smaller than or equal to the curvature of the second curved surface 112, the first curved surface 111 and the second curved surface 112 have different refraction angles for the light, so as to avoid the obstacle 200, and prevent the light from being reflected or refracted by the obstacle 200 to form a bright spot or a dark area to the greatest extent.

Further, the inclination angle of the first curved surface 111 is greater than or equal to the inclination angle of the second curved surface 112. Therefore, the light incident surface 110 may have at least the following design schemes: when the curvature of the first curved surface 111 is smaller than the curvature of the second curved surface 112, the inclination angle of the first curved surface 111 is larger than that of the second curved surface 112; when the curvature of the first curved surface 111 is smaller than the curvature of the second curved surface 112, the inclination angle of the first curved surface 111 is equal to the inclination angle of the second curved surface 112; when the curvature of the first curved surface 111 is smaller than the curvature of the second curved surface 112, the inclination angle of the first curved surface 111 is equal to the inclination angle of the second curved surface 112; when the curvature of the first curved surface 111 is equal to the curvature of the second curved surface 112, the inclination angle of the first curved surface 111 is equal to the inclination angle of the second curved surface 112. When the curvatures and the inclination angles of the first curved surface 111 and the second curved surface 112 are different, the curvatures and the inclination angles of the first curved surface 111 and the second curved surface 112 can be used for adjusting the refraction angle of the light; when at least one of the curvature and the inclination angle of the first curved surface 111 and the second curved surface 112 is different, at least one of the curvature and the inclination angle of the first curved surface 111 and the second curved surface 112 can be used for adjusting the refraction angle of the light; when the curvatures and the inclination angles of the first curved surface 111 and the second curved surface 112 are the same, and the first curved surface 111 and the second curved surface 112 are completely the same, the light incident surface 110 is symmetrical about the central line X-X ', and at this time, the light transmitting element 100 of which the light incident surface 110 is symmetrical about the central line X-X ' and the light transmitting element 100 of which the light incident surface 110 is asymmetrical about the central line X-X ' can be used in combination to apply to different usage scenarios.

It should be noted that, in the above embodiment, when the light incident surface 110 is formed by a plurality of curved surfaces with different curvatures, the connection relationship between the curved surfaces with different curvatures is not limited, and different application scenes may be obtained by pertinently modifying the light incident surface 110 of the light transmitting element 100, so as to achieve the purpose of avoiding the obstacle 200. The obstacles 200 may be some obstacles common in the art, such as: power supply chamber, wire etc, the utility model discloses no longer describe.

In some embodiments, the light emitting surface 120 includes at least one of an ellipsoid, a sphere, and a paraboloid. The light emitting surface 120 is a curved surface and is curved toward a direction away from the bottom surface 130, and preferably, the light emitting surface 120 is a smooth curved surface, so that the light emitting has higher uniformity. Preferably, the surface of the light emitting surface 120 is a frosted surface, which can improve the light mixing capability of the light transmitting element 100 and prevent the generation of bright spots or dark areas.

In some embodiments, the light transmissive element 100 includes at least one of a granular lens, a stripe lens, and a ring lens. Referring to fig. 4 and 5, when the light-transmitting element 100 is a granular lens, a cross section of at least one granular lens is shown in fig. 3, and when the light-transmitting element 100 is a strip lens or a ring lens, a cross section of at least one strip lens or ring lens is shown in fig. 3, and the strip lens or ring lens is formed by stretching the cross section along any straight line or curve. It is understood that the light-transmitting element 100 may be formed by combining a plurality of granular lenses, strip lenses or ring lenses. Specifically, when the light-transmitting element 100 is formed by combining a plurality of granular lenses, the granular lenses distributed at different positions have different refraction angles, so as to avoid the obstacle 200; when the light-transmitting element 100 is formed by combining a plurality of strip lenses or ring lenses, the refraction angles in different regions of the strip lenses or the ring lenses are different, that is, the light incident surface 110 of the strip lenses or the ring lenses may be only partially asymmetric with respect to the central line X-X'. Preferably, when the granular lens is used in combination with the strip lens or the ring lens, the granular lens is disposed close to the obstacle 200, and the granular lens is asymmetric about the central line X-X' of the light incident surface 110, so as to avoid the need of adjusting the number of lenses with time and labor when the number of the light sources 400 is changed, thereby improving the matching capability of the light-transmitting element 100; on the other hand, the light distribution near the obstacle 200 can be accurately controlled, the manufacturing difficulty of the light-transmitting element 100 is reduced, and the cost is reduced. At least a partial region of light transmission element 100, income plain noodles 110 is asymmetric curved surface, can include wholly in a partial region granular lens, strip lens or annular lens, also can be only granular lens strip lens or annular lens's a part, the utility model discloses not the restriction.

The embodiment of the utility model discloses a material of printing opacity component 100 includes: at least one of polycarbonate, polypropylene, polymethyl methacrylate, and glass. As can be appreciated by those skilled in the art, these materials have high transparency, and can minimize the loss of the light source and provide the utilization rate of the light source.

Referring to fig. 3 and fig. 5, the present invention further provides an optoelectronic module 10, which includes a substrate 300, a plurality of light sources 400 arranged on the substrate 300 in an array, and the light-transmitting element 100; the light-transmitting element 100 is connected to the substrate 300, the light sources 400 are accommodated in the light-emitting cavity 140 of the light-transmitting element 100, and the optoelectronic module 10 further includes a power cavity 500 with a power supply inside; the light-transmitting element 100 is at least close to the light incident surface 110 of the power supply cavity 500 and is asymmetric with respect to the central line X-X', and preferably, the second curved surface 112 is disposed close to the power supply cavity 500. As shown in fig. 3, the light emitted by the light sources 400 first passes through the light incident surface 110 of the light transmissive element 100 to generate a first refraction, and then passes through the light emitting surface 120 to generate a second refraction, so as to achieve the purpose of avoiding the power cavity 500 by realizing different refraction angles through two refractions, thereby avoiding the light from being reflected or refracted by the power cavity 500 to the greatest extent to form bright spots or dark areas. Preferably, when the curvature of the light incident surface 110 is greater than the curvature of the light emitting surface 120, the illumination angle is increased after the illumination light emitted by the light source 400 passes through the light incident surface 110 and the light emitting surface 120, and the method is suitable for a scene in which a user wants the photovoltaic module to emit illumination light with a large illumination angle; when the curvature of the light incident surface 110 is smaller than the curvature of the light emitting surface 120, the illumination angle is reduced after the illumination light emitted by the light source 400 passes through the light incident surface 110 and the light emitting surface 120, and the method is suitable for a scene in which a user desires that the illumination light emitted by the photovoltaic module has a small illumination angle.

As shown in fig. 6, when the light source module 10 is provided with the light transmissive element 100, light emitted by the light source 400 passes through the light transmissive element 100 and then exhibits an asymmetric light distribution curve distribution, so as to avoid the obstacle 200, and prevent the light from being reflected or refracted by the obstacle 200 to the maximum extent to form bright spots or dark areas.

In some embodiments, when the light-transmitting element 100 is a granular lens, each granular lens covers over one of the light sources 400; when the light-transmitting element 100 is the strip lens or the annular lens, each strip lens or the annular lens covers above at least one light source. The strip-shaped lens or the annular lens can avoid the time and labor consumption for adjusting the number of the lenses when the number of the light sources 400 is changed, and the matching capability of the light-transmitting element 100 is improved.

The light source 400 can be a Light Emitting Diode (LED), and has the advantages of low power consumption, environmental protection, low heat generation, and the like, or other types of light emitting sources, which is a technique well known to those skilled in the art, and is not described in detail herein. Taking the light source 400 as an LED as an example, the size of the light emitting cavity 140 of the light-transmitting element 100 can be customized according to the standard size of most LED elements on the market, so as to ensure that it can accommodate at least one light source 400.

Referring to fig. 7, the present invention further provides a lamp 1, where the lamp 1 includes the light-transmitting element 100 described in any of the above embodiments, and the lamp may be a ceiling lamp, a hard light bar, a projection lamp, or other lighting products, and is not limited by fig. 7. Preferably, when an obstacle is disposed around the light-transmitting element 100, the second curved surface 112 is disposed close to the obstacle.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above detailed descriptions of the light-transmitting element 100, the optoelectronic module 10 and the lamp 1 provided by the embodiments of the present invention are provided, and the specific examples are applied herein to explain the principle and the implementation of the present invention, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be some changes in the specific implementation and application scope, and to sum up, the content of the present specification should not be understood as a limitation to the present invention.

Claims (9)

1. A light-transmitting element comprises a light incident surface, a light emergent surface and a bottom surface connecting the light incident surface and the light emergent surface, wherein the light incident surface and the light emergent surface are both curved surfaces and are bent towards a direction far away from the bottom surface to form a light emitting cavity; the method is characterized in that:

in at least one partial region of the light-transmitting element, the cross section of the light-transmitting element is provided with a center line, the cross section of the light-incident surface is symmetrical or asymmetrical with respect to the center line, and the cross section of the light-emitting surface is symmetrical with respect to the center line;

the light incident surface comprises at least two tangent curved surfaces which are a first curved surface and a second curved surface respectively, the first curved surface is positioned on one side of the central line, and the second curved surface is positioned on the other side of the central line;

wherein the refraction angle of the first curved surface is greater than the refraction angle of the second curved surface.

2. The light-transmissive element of claim 1, wherein: the curvature of the first curved surface is smaller than that of the second curved surface.

3. The light-transmissive element of claim 1, wherein: in another partial area of the light-transmitting element, the first curved surface and the second curved surface are symmetrical curved surfaces; the curvature of the first curved surface is equal to the curvature of the second curved surface.

4. The light-transmissive element of claim 1, wherein: the inclination angle of the first curved surface is greater than or equal to the inclination angle of the second curved surface.

5. The light-transmissive element of claim 1, wherein: the light-emitting surface is provided with a symmetrical semi-annular section vertical to the bottom surface; the light emitting surface comprises at least one of an ellipsoid, a spherical surface and a paraboloid.

6. The light-transmissive element of claim 1, wherein: the light-transmitting element comprises at least one of a granular lens, a strip-shaped lens and an annular lens.

7. The utility model provides a photovoltaic module which characterized in that: comprising a substrate, a plurality of light sources arranged in an array on the substrate, and the light-transmissive element of any one of claims 1 to 6 covering the light sources;

the light-transmitting element is connected with the substrate, and the plurality of light sources are accommodated in the light emission cavity of the light-transmitting element; wherein the content of the first and second substances,

when the light-transmitting elements are granular lenses, each granular lens covers the upper part of one light source; when the light-transmitting element is a strip lens or an annular lens, each strip lens or annular lens covers the upper part of at least one light source.

8. The optoelectronic module of claim 7 wherein: the photoelectric module also comprises a power supply cavity with a built-in power supply; wherein the second curved surface is arranged close to the power supply cavity.

9. A light fixture, characterized by: the luminaire comprising the light-transmissive element as claimed in any one of claims 1 to 6; when an obstacle is arranged around the light-transmitting element, the second curved surface is arranged close to the obstacle.

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