CN219414533U - Lighting device - Google Patents

Abstract

The utility model provides a lighting device, comprising: the lamp shade comprises a light-transmitting part and a reflecting part, wherein the reflecting part is arranged on the light-emitting direction of the light-emitting assembly, at least part of light rays emitted by the light-emitting assembly sequentially pass through the reflecting part and the light-transmitting part and then are emitted, and an obtuse angle is formed between the light-emitting direction and the light-emitting direction. Compared with the prior art, the illumination device can increase the illumination angle and improve the illumination range and illumination brightness.

Description

Lighting device

Technical Field

The utility model relates to the technical field of illumination, in particular to an illumination device.

Background

With the advancement of technology, the requirements of lighting devices are also increasing. Many lighting devices are used for lighting, but also have a decorative effect, for example, a cabinet lamp is mainly used for lighting and decoration of a local part of a cabinet, and a skirting line lamp is a lamp for a skirting line structure, and can be used for lighting the ground at the skirting line.

In the lighting process of the existing lighting device, due to the problem of a lighting angle, halation of light can have larger stimulation to human eyes, so that dizziness and discomfort are caused. Moreover, the illumination angles of the existing cabinet lamp and skirting line lamp are narrow, the illumination range is small, the illumination brightness is insufficient, and other light auxiliary illumination is still needed.

In view of the foregoing, it is desirable to provide a lighting device that solves the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide an illumination device capable of increasing an illumination angle and improving an illumination range and illumination brightness.

To achieve the above object, the present utility model provides a lighting device comprising: the lamp shade comprises a light-transmitting part and a reflecting part, wherein the reflecting part is arranged on the light-emitting direction of the light-emitting assembly, at least part of light rays emitted by the light-emitting assembly sequentially pass through the reflecting part and the light-transmitting part and then are emitted, and an obtuse angle is formed between the light-emitting direction and the light-emitting direction.

As a further improvement of the utility model, the reflecting part is of an arc structure, and the center of the reflecting part faces the light emitting component.

As a further improvement of the present utility model, the lamp housing includes a light transmitting portion and a reflecting portion which are disposed in association, the light transmitting portion being disposed adjacent to the light emitting assembly, the reflecting portion being arc-shaped and disposed toward the light emitting assembly, one ends of the light transmitting portion and the reflecting portion which are away from each other being connected to the mounting portion.

As a further improvement of the utility model, the lampshade comprises at least two light-transmitting parts and a reflecting part which is clamped between the two light-transmitting parts, the two light-transmitting parts are respectively arranged at two sides of the light-emitting component and are connected with the mounting part, the reflecting part is of an arc-shaped structure, and the bending direction faces the light-emitting component.

As a further improvement of the utility model, the reflecting part is of a multi-segment arc structure, and the reflecting part is symmetrically arranged relative to the light emitting component.

As a further improvement of the present utility model, the light emitting assembly is mounted on the first mounting surface of the mounting portion in a direction perpendicular to a horizontal plane.

As a further improvement of the present utility model, the light transmitting portion and the reflecting portion are an integrally molded structure.

As a further improvement of the utility model, the mounting part comprises a first buckling part, the lampshade comprises a second buckling part, and the mounting part and the lampshade are buckled and connected through the first buckling part and the second buckling part.

As a further improvement of the present utility model, the light-transmitting portion is provided with a light-controlling microstructure configured to emit light passing through the light-transmitting portion in a diffusely scattered manner.

As a further improvement of the utility model, the thickness of the lampshade is less than or equal to 2mm.

The beneficial effects of the utility model are as follows: compared with the prior art, the lighting device has the advantages that the reflecting part is arranged in the light emitting direction of the light emitting component, so that most of light rays emitted by the light emitting component are reflected by the reflecting part and then emitted by the light transmitting part. The emitting direction of the light rays is set to be an obtuse angle with the emitting direction, so that most of the light rays can be emitted towards the direction opposite to the light emitting assembly after passing through the reflecting part and the light transmitting part, the irradiation angle is increased, and the irradiation range and the illumination brightness are improved.

Drawings

FIG. 1 is a perspective view of a lighting device according to a preferred embodiment of the present utility model;

FIG. 2 is an exploded view of the structure of the lighting device of FIG. 1;

FIG. 3 is a cross-sectional view of the lighting device of FIG. 1;

FIG. 4 is an application scenario diagram of the lighting device of FIG. 1;

FIG. 5 is a light path diagram of the illumination device of FIG. 4;

FIG. 6 is an illuminance distribution diagram of the lighting device of FIG. 4;

FIG. 7 is a graph showing the luminous intensity distribution of the lighting device of FIG. 4;

fig. 8 is a perspective view of a lighting device according to another preferred embodiment of the present utility model;

FIG. 9 is a cross-sectional view of the lighting device of FIG. 8;

FIG. 10 is an application scenario diagram of the lighting device of FIG. 8;

FIG. 11 is a light path diagram of the lighting device of FIG. 10;

FIG. 12 is an illuminance distribution diagram for the lighting device of FIG. 10;

fig. 13 is a graph showing the luminous intensity distribution of the lighting device of fig. 10.

Reference numerals:

the lighting device 100, the mounting part 1, the first mounting surface 11, the first fastening part 111, the limiting part 112, the second mounting surface 12, the second combining part 121, the first side 13, the second side 14, the third side 15, the fourth side 16, the mounting space 17, the lampshade 2, the light transmitting part 21, the reflecting part 22, the second fastening part 23, the accommodating groove 3, the light emitting component 4, the substrate 41 and the light emitting member 42;

cabinet 200, back panel 210, upper panel 220, lower panel 230, and baffle 240.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in detail with reference to the accompanying drawings and specific embodiments.

In this case, in order to avoid obscuring the present utility model due to unnecessary details, only the structures and/or processing steps closely related to the aspects of the present utility model are shown in the drawings, and other details not greatly related to the present utility model are omitted.

In addition, it should be further noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Example 1

Referring to fig. 1 to 7, a lighting device 100 according to a preferred embodiment of the present utility model is shown, wherein the lighting device 100 is applied to a cabinet 200 as a cabinet lamp 200, and in other embodiments, the lighting device 100 can be applied to a display cabinet or a skirting line as a display cabinet lamp or a skirting line lamp.

The utility model is not limited in this regard.

Further, the cabinet 200 includes a back plate 210, and upper and lower plates 220 and 230 coupled to the back plate 210, a partition 240 is provided between the upper and lower plates 220 and 230, and a gap is provided between the partition 240 and an end facing away from an opening of the cabinet 200 and the back plate 210 for mounting the lighting device 100. That is, the lighting device 100 is disposed at the rear side of the partition 240 of the cabinet 200, and emits light toward the back plate 210 of the cabinet 200.

The lighting device 100 comprises a mounting part 1 and a lampshade 2, wherein a containing groove 3 is formed between the mounting part 1 and the lampshade 2, a light-emitting component 4 is arranged in the containing groove 3, the light-emitting component 4 is arranged on one side, facing the lampshade 2, of the mounting part 1, the lampshade 2 comprises a light-transmitting part 21 and a reflecting part 22, the reflecting part 22 is arranged in the light-emitting direction of the light-emitting component 4, at least part of light rays emitted by the light-emitting component 4 are sequentially emitted through the reflecting part 22 and the light-transmitting part 21, and an obtuse angle is formed between the light-emitting direction and the light-emitting direction. By disposing the reflecting portion 22 in the light emitting direction of the light emitting module 4, most of the light emitted from the light emitting module 4 is reflected by the reflecting portion 22 and then emitted by the light transmitting portion 21. By setting the emission direction of the light to have an obtuse angle with the light emission direction, most of the light can be emitted in the direction opposite to the light emitting element 4 after passing through the reflecting portion 22 and the light transmitting portion 21, so that the irradiation angle can be increased, and the irradiation range and the illumination brightness can be improved.

The material of the mounting portion 1 is made of a heat-dissipating material, preferably a heat-dissipating aluminum material. The mounting portion 1 includes a first mounting surface 11 facing the back plate 210 and a second mounting surface 12 facing the spacer 240, the first mounting surface 11 and the second mounting surface 12 being disposed opposite to each other. The first mounting surface 11 is used for mounting the light emitting component 4, a first fastening portion 111 connected to the lamp shade 2 is provided on the first mounting surface 11, and a second coupling portion 121 connected to the cabinet 200 is provided on the second mounting surface 12.

Further, the first mounting surface 11 of the mounting portion 1 facing the back plate 210 is provided with a first fastening portion 111, the lampshade 2 includes a second fastening portion 23, and the mounting portion 1 and the lampshade 2 are fastened by the first fastening portion 111 and the second fastening portion 23. In the present embodiment, the first fastening portion 111 is a first fastening hook extending from the first mounting surface 11 toward the lamp housing 2, and the second mounting portion 1 is a second fastening hook extending from the lamp housing 2 toward the first mounting surface 11. In other embodiments, the first fastening portion 111 and the second fastening portion 23 may have other structures, which is not limited in the present utility model. By providing the first fastening portion 111 and the second fastening portion 23, the result of the lighting device 100 is simple and the installation is convenient.

The partition 240 has a first coupling portion on a side facing the second mounting surface 12, and a second coupling portion 121 is provided on the second mounting surface 12 at a position corresponding to the first coupling portion, and the lighting device 100 is fixedly mounted on the partition 240 by the first coupling portion and the second coupling portion 121. In this embodiment, the first combining portion is a blind hole structure, the second combining portion 121 is a pin structure provided with a plurality of protrusions, and the pin is inserted into the blind hole to realize interference connection with the blind hole through the plurality of protrusions. In other embodiments, the first and second coupling portions 121 may have other structures, which are not limited in the present utility model.

Further, the light emitting assembly 4 includes a bar-shaped substrate 41 and a plurality of light emitting members 42 disposed on the bar-shaped substrate 41 at intervals. The strip-shaped substrate 41 of the light emitting module 4 is fixedly provided on the first mounting surface 11, and is mounted on the first mounting surface 11 of the mounting portion 1 in a direction perpendicular to the horizontal plane. That is, the light emitting assembly 4 of the present application is a side light emitting assembly, and the light emitting direction of the light emitting member 42 is toward the back plate 210 of the cabinet 200. So arranged, the lighting device 100 can be hidden in the cabinet 200, and when the lighting device 100 is turned on, the lamp is not visible, so that the anti-dazzle effect is excellent. And the light emitting assembly 4 hidden inside the cabinet 200 still has a large irradiation angle and irradiation range due to the reflective part 22 and the light transmitting part 21.

Further, the lamp housing 2 includes the light transmitting portion 21 and the reflecting portion 22, and the light transmitting portion 21 and the reflecting portion 22 are integrally formed, that is, the lamp housing 2 is integrally formed. The light transmitting portion 21 and the reflecting portion 22 are integrally formed by an extrusion or injection molding or a die-pressing lamp process. The light-transmitting portion 21 is made of a transparent material, and may be, for example, one or a mixture of several of polymethyl methacrylate, polycarbonate, polystyrene, and a styrene-methyl methacrylate copolymer. Or the light-transmitting portion 21 is made of a translucent material, and the reflecting portion 22 is made of a material having a high reflectance, so that the reflecting portion 22 is a specular reflection surface or a total reflection interface to enhance the illumination effect of the illumination device 100. By providing the light transmitting portion 21 and the reflecting portion 22 as an integrally formed structure, the structure of the lamp housing 2 can be made simple and the cost can be reduced.

In the present embodiment, the lamp housing 2 includes at least two light transmitting portions 21 and a reflecting portion 22 interposed between the two light transmitting portions 21, the two light transmitting portions 21 being provided on both sides of the light emitting module 4, respectively, and both being connected to the mounting portion 1.

Further, the reflecting portion 22 has an arc structure, and the curved direction of the reflecting portion 22 faces the light emitting assembly 4, that is, the center of the reflecting portion 22 faces the light emitting assembly 4. The reflecting portion 22 is provided in the light emitting direction of the light emitting module 4. So set up for the light that luminous element 4 sent out is most to be penetrated again after reflection portion 22 reflection to change the direction of emergent light, increase lighting device 100's play light angle, it is controllable to make play light angle, improves lighting device 100's light efficiency.

Further, in the present embodiment, the reflecting portion 22 has a multi-segment arc structure, and the reflecting portion 22 is symmetrically disposed with respect to the light emitting component 4. That is, in the present embodiment, the reflecting portion 22 has a herringbone structure, so that the light emitted from the light emitting component 4 is reflected by the reflecting portion 22 having the herringbone structure and then emitted by the light transmitting portions 21 on both sides, so that the light can be emitted from the cabinet 200 in both the up and down directions. That is, the lighting device 100 of the present embodiment emits light from both sides, and by providing one lighting device 100 at the end of the partition 240, the cabinet 200 of the upper and lower layers can be illuminated, thereby reducing the illumination cost. In this embodiment, the illumination surface of the illumination device 100 is the surface of the back plate 210 facing the light emitting assembly 4 and the upper and lower plates 220 and 230 facing the light emitting assembly 4. That is, at least part of the light is reflected by the reflecting portion 22 and then is refracted by the light transmitting portion 21, and the emitted light is emitted at an obtuse angle to the light emitting direction of the light emitting module 4, preferably opposite to the light emitting direction, so that the irradiation range of the light can be increased.

Further, an end of the light-transmitting portion 21 facing away from the connecting portion is snap-coupled with the mounting portion 1, i.e., the second snap-coupling portion 23 is provided on the light-transmitting portion 21. The arrangement can improve the outgoing angle of the outgoing light of the lighting device 100 and increase the irradiation range of the lighting device 100 while realizing the snap connection of the lampshade 2 and the mounting part 1.

Preferably, the first hook is inclined from an end close to the lamp shade 2 to an end far from the lamp shade 2. In this way, the first hook is prevented from affecting the reflected light of the reflecting portion 22, and the irradiation range of the lighting device 100 is increased.

Further, the light-transmitting portion 21 is provided with a light-controlling microstructure (not shown) configured to emit light passing through the light-transmitting portion 21 in a diffusely scattering manner. The light control microstructure may be a plurality of punctiform protrusions or depressions. By providing the light control microstructure, the illumination brightness of the illumination device 100 can be improved, and the illumination effect can be improved.

Further, the thickness of the lamp housing 2 is 2mm or less. The arrangement is such that the light emitted by the light emitting assembly 4 directly contacts the reflective portion 22 and the light transmissive portion 21 via the air medium. Preferably, the thickness of the lamp shade 2 is 1 mm-1.5 mm.

Example 2

Referring to fig. 8 to 13, an illumination device 100 according to another preferred embodiment of the present utility model is applied to a skirting line structure as a skirting line lamp. The lighting device 100 is installed at the intersection position of the wall surface and the ground, the outline of the whole lighting device 100 is not higher than the wall surface, the direction of the last emergent ray of the light-emitting component 4 in the lighting device 100 is deviated from the downward direction of the wall surface, and the light source cannot be seen, so that the lighting device has good concealment.

Most of the structures of the lighting device 100 of the present embodiment are similar to those of the first embodiment, and are not repeated here, and the following description only refers to the differences in the structures.

The mounting portion 1 has an inverted L-shaped structure including first and second sides 13 and 14 arranged in parallel, a third side 15 connecting the first and second sides 13 and 14, and a fourth side 16 opposite to the third side 15. The first edge 13 is a long edge, and is arranged along the wall surface, the second edge 14 is a short edge, and is parallel to the outermost layer of the wall surface, and the second edge 14 and the third edge 15 are respectively arranged at two ends of the first edge 13 and are respectively used for being connected with the wall surface and the ground. An installation space 17 is formed between the first side 13, the second side 14 and the third side 15, the lighting device 100 is arranged in the installation space 17, the light emitting component 4 of the lighting device 100 is arranged on the inner side of the second side 14 perpendicular to the horizontal plane, and the light emitting direction of the light emitting component 4 faces the first side 13. That is, in the present embodiment, the light emitting element 4 is a side light emitting element.

Preferably, the first fastening portion 111 is disposed on a side of the second edge 14 facing the first edge 13. One side of the first fastening part 111, which is away from the second fastening part 23, is provided with a limiting part 112 extending towards the direction of the accommodating groove 3, and the first fastening part 111 is arranged on the second edge 14 so as to realize fastening connection between the mounting part 1 and the lampshade 2 and simultaneously mount the light emitting component 4 in the accommodating groove 3, and the position part is arranged so as to limit and fix the light emitting component 4.

Further, the lamp housing 2 includes a light transmitting portion 21 and a reflecting portion 22 that are disposed in series, and the light transmitting portion 21 is disposed adjacent to the light emitting element 4. Wherein the light transmitting portion 21 is disposed at the bottom of the installation space 17, and the reflecting portion 22 is disposed in the light emitting direction of the light emitting module 4. Most of the light emitted from the light emitting component 4 is reflected by the reflecting portion 22 and then emitted downward and away from the wall surface through the light transmitting portion 21, i.e., in this embodiment, the lighting device 100 emits light on one side.

The reflecting portion 22 has an arc-shaped structure, and is disposed toward the light emitting element 4, and one ends of the light transmitting portion 21 and the reflecting portion 22, which are far from each other, are connected to the mounting portion 1. Namely, two second engaging portions 23 are provided on the light transmitting portion 21 and the reflecting portion 22, respectively. By directly connecting the reflecting portion 22 with the mounting portion 1, light is prevented from being exposed from above the mounting space 17, so that light emitted from the light emitting assembly 4 can only be emitted from below the mounting space 17, and illumination brightness and illumination effect are improved. That is, in this embodiment, the irradiation surface of the lighting device 100 is the surface of the first side 13 facing the light emitting element 4 and the ground. Part of the light is reflected by the reflecting part 22 and refracted by the light transmitting part 21 and then irradiates on the ground, and the emitting direction of the part of the light is obtuse with the emitting direction of the light emitting component 4, so that the illumination range is enlarged, and the illumination effect is improved.

The optical path of the illumination device 100 of the present utility model is: a light emitting element 42 (LED) in the light emitting assembly 4 emits light, a small portion of the light is directly irradiated or refracted out of the lamp housing 2 through the light transmitting portion 21, and a large portion of the light is firstly irradiated onto the reflecting portion 22 to undergo gaussian reflection, and then is directly irradiated or refracted out of the lamp housing 2 through the light transmitting portion 21. By changing the shapes of the reflecting portion 22 and the light transmitting portion 21, the emission angle of the light can be controlled, and the illumination range of the illumination device 100 can be changed.

As described above, in the lighting device 100 of the present utility model, the reflecting portion 22 is disposed in the light emitting direction of the light emitting module 4, so that most of the light emitted from the light emitting module 4 is reflected by the reflecting portion 22 and then emitted by the light transmitting portion 21. By setting the emission direction of the light to have an obtuse angle with the light emission direction, most of the light can be emitted in the direction opposite to the light emitting element 4 after passing through the reflecting portion 22 and the light transmitting portion 21, so that the irradiation angle can be increased, and the irradiation range and the illumination brightness can be improved.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model.

Claims (9)

1. A lighting device, comprising: the LED lamp comprises a mounting part (1) and a lamp shade (2), wherein an accommodating groove (3) is formed between the mounting part (1) and the lamp shade (2), a light emitting component (4) is arranged in the accommodating groove (3), the light emitting component (4) is arranged on one side of the mounting part (1) facing the lamp shade (2), the lamp shade (2) comprises a light transmitting part (21) and a reflecting part (22), the reflecting part (22) is arranged on the light emitting direction of the light emitting component (4), at least part of light rays emitted by the light emitting component (4) sequentially pass through the reflecting part (22) and the light transmitting part (21) and are emitted, an obtuse angle is formed between the light emitting direction and the light emitting direction, the reflecting part (22) is of an arc-shaped structure, and the circle center of the reflecting part (22) faces the light emitting component (4).

2. A lighting device as claimed in claim 1, characterized in that the lamp housing (2) comprises a light-transmitting portion (21) and a reflecting portion (22) which are arranged in connection, the light-transmitting portion (21) being arranged adjacent to the light-emitting component (4), the reflecting portion (22) being arc-shaped and being arranged towards the light-emitting component (4), one end of the light-transmitting portion (21) and the reflecting portion (22) remote from each other being connected to the mounting portion (1).

3. A lighting device as claimed in claim 1, characterized in that the lamp housing (2) comprises at least two light-transmitting portions (21) and a reflecting portion (22) interposed between the two light-transmitting portions (21), the two light-transmitting portions (21) being arranged on both sides of the light-emitting assembly (4) respectively and being connected to the mounting portion (1), the reflecting portion (22) being of an arc-shaped structure with a bending direction directed towards the light-emitting assembly (4).

4. A lighting device as claimed in claim 3, characterized in that the reflecting portion (22) has a multi-segment arc structure, and the reflecting portion (22) is symmetrically arranged with respect to the light emitting assembly (4).

5. A lighting device as claimed in claim 1, characterized in that the light emitting assembly (4) is mounted on the first mounting surface (11) of the mounting portion (1) in a direction perpendicular to the horizontal plane.

6. A lighting device as claimed in claim 1, characterized in that the light-transmitting portion (21) and the reflecting portion (22) are of an integrally formed structure.

7. A lighting device as claimed in claim 1, characterized in that the mounting part (1) comprises a first snap part (111), the lamp housing (2) comprises a second snap part (23), and the mounting part (1) and the lamp housing (2) are snap-connected by means of the first snap part (111) and the second snap part (23).

8. A lighting device as claimed in claim 1, characterized in that the light-transmitting portion (21) is provided with a light-controlling microstructure configured to emit light passing through the light-transmitting portion (21) in the form of diffuse scattering.

9. A lighting device according to claim 1, characterized in that the thickness of the lamp shade (2) is less than or equal to 2mm.